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2020-02-14scsi: Revert "target: iscsi: Wait for all commands to finish before freeing ↵Bart Van Assche
a session" Since commit e9d3009cb936 introduced a regression and since the fix for that regression was not perfect, revert this commit. Link: https://marc.info/?l=target-devel&m=158157054906195 Cc: Rahul Kundu <rahul.kundu@chelsio.com> Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> Cc: Sagi Grimberg <sagi@grimberg.me> Reported-by: Dakshaja Uppalapati <dakshaja@chelsio.com> Fixes: e9d3009cb936 ("scsi: target: iscsi: Wait for all commands to finish before freeing a session") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-14scsi: Revert "RDMA/isert: Fix a recently introduced regression related to ↵Bart Van Assche
logout" Since commit 04060db41178 introduces soft lockups when toggling network interfaces, revert it. Link: https://marc.info/?l=target-devel&m=158157054906196 Cc: Rahul Kundu <rahul.kundu@chelsio.com> Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> Cc: Sagi Grimberg <sagi@grimberg.me> Reported-by: Dakshaja Uppalapati <dakshaja@chelsio.com> Fixes: 04060db41178 ("scsi: RDMA/isert: Fix a recently introduced regression related to logout") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-02-12scsi: Revert "target/core: Inline transport_lun_remove_cmd()"Bart Van Assche
Commit 83f85b8ec305 postponed the percpu_ref_put(&se_cmd->se_lun->lun_ref) call from command completion to the time when the final command reference is dropped. That approach is not compatible with the iSCSI target driver because the iSCSI target driver keeps the command with the highest stat_sn after it has completed until the next command is received (see also iscsit_ack_from_expstatsn()). Fix this regression by reverting commit 83f85b8ec305. Fixes: 83f85b8ec305 ("scsi: target/core: Inline transport_lun_remove_cmd()") Cc: Pavel Zakharov <pavel.zakharov@delphix.com> Cc: Mike Christie <mchristi@redhat.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200210051202.12934-1-bvanassche@acm.org Reported-by: Pavel Zakharov <pavel.zakharov@delphix.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-29Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull SCSI updates from James Bottomley: "This series is slightly unusual because it includes Arnd's compat ioctl tree here: 1c46a2cf2dbd Merge tag 'block-ioctl-cleanup-5.6' into 5.6/scsi-queue Excluding Arnd's changes, this is mostly an update of the usual drivers: megaraid_sas, mpt3sas, qla2xxx, ufs, lpfc, hisi_sas. There are a couple of core and base updates around error propagation and atomicity in the attribute container base we use for the SCSI transport classes. The rest is minor changes and updates" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (149 commits) scsi: hisi_sas: Rename hisi_sas_cq.pci_irq_mask scsi: hisi_sas: Add prints for v3 hw interrupt converge and automatic affinity scsi: hisi_sas: Modify the file permissions of trigger_dump to write only scsi: hisi_sas: Replace magic number when handle channel interrupt scsi: hisi_sas: replace spin_lock_irqsave/spin_unlock_restore with spin_lock/spin_unlock scsi: hisi_sas: use threaded irq to process CQ interrupts scsi: ufs: Use UFS device indicated maximum LU number scsi: ufs: Add max_lu_supported in struct ufs_dev_info scsi: ufs: Delete is_init_prefetch from struct ufs_hba scsi: ufs: Inline two functions into their callers scsi: ufs: Move ufshcd_get_max_pwr_mode() to ufshcd_device_params_init() scsi: ufs: Split ufshcd_probe_hba() based on its called flow scsi: ufs: Delete struct ufs_dev_desc scsi: ufs: Fix ufshcd_probe_hba() reture value in case ufshcd_scsi_add_wlus() fails scsi: ufs-mediatek: enable low-power mode for hibern8 state scsi: ufs: export some functions for vendor usage scsi: ufs-mediatek: add dbg_register_dump implementation scsi: qla2xxx: Fix a NULL pointer dereference in an error path scsi: qla1280: Make checking for 64bit support consistent scsi: megaraid_sas: Update driver version to 07.713.01.00-rc1 ...
2020-01-26Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Two last minute fixes, both in drivers. The fnic one is a highly unlikely condition, but the RDMA one is a recently introduced regression that causes a kernel warning to trigger in every RDMA logon, which would be unsightly if it got into the final release" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: RDMA/isert: Fix a recently introduced regression related to logout scsi: fnic: do not queue commands during fwreset
2020-01-21scsi: RDMA/isert: Fix a recently introduced regression related to logoutBart Van Assche
iscsit_close_connection() calls isert_wait_conn(). Due to commit e9d3009cb936 both functions call target_wait_for_sess_cmds() although that last function should be called only once. Fix this by removing the target_wait_for_sess_cmds() call from isert_wait_conn() and by only calling isert_wait_conn() after target_wait_for_sess_cmds(). Fixes: e9d3009cb936 ("scsi: target: iscsi: Wait for all commands to finish before freeing a session"). Link: https://lore.kernel.org/r/20200116044737.19507-1-bvanassche@acm.org Reported-by: Rahul Kundu <rahul.kundu@chelsio.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Acked-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-01-10Merge tag 'block-ioctl-cleanup-5.6' into 5.6/scsi-queueMartin K. Petersen
Pull compat_ioctl cleanup from Arnd. Here's his description: This series concludes the work I did for linux-5.5 on the compat_ioctl() cleanup, killing off fs/compat_ioctl.c and block/compat_ioctl.c by moving everything into drivers. Overall this would be a reduction both in complexity and line count, but as I'm also adding documentation the overall number of lines increases in the end. My plan was originally to keep the SCSI and block parts separate. This did not work easily because of interdependencies: I cannot do the final SCSI cleanup in a good way without first addressing the CDROM ioctls, so this is one series that I hope could be merged through either the block or the scsi git trees, or possibly both if you can pull in the same branch. The series comes in these steps: 1. clean up the sg v3 interface as suggested by Linus. I have talked about this with Doug Gilbert as well, and he would rebase his sg v4 patches on top of "compat: scsi: sg: fix v3 compat read/write interface" 2. Actually moving handlers out of block/compat_ioctl.c and block/scsi_ioctl.c into drivers, mixed in with cleanup patches 3. Document how to do this right. I keep getting asked about this, and it helps to point to some documentation file. The branch is based on another one that fixes a couple of bugs found during the creation of this series. Changes since v3: https://lore.kernel.org/lkml/20200102145552.1853992-1-arnd@arndb.de/ - Move sr_compat_ioctl fixup to correct patch (Ben Hutchings) - Add Reviewed-by tags Changes since v2: https://lore.kernel.org/lkml/20191217221708.3730997-1-arnd@arndb.de/ - Rebase to v5.5-rc4, which contains the earlier bugfixes - Fix sr_block_compat_ioctl() error handling bug found by Ben Hutchings - Fix idecd_locked_compat_ioctl() compat_ptr() bug - Don't try to handle HDIO_DRIVE_TASKFILE in drivers/ide - More documentation improvements Changes since v1: https://lore.kernel.org/lkml/20191211204306.1207817-1-arnd@arndb.de/ - move out the bugfixes into a branch for itself - clean up scsi sg driver further as suggested by Christoph Hellwig - avoid some ifdefs by moving compat_ptr() out of asm/compat.h - split out the blkdev_compat_ptr_ioctl function; bug spotted by Ben Hutchings - Improve formatting of documentation Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-12-27Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Four fixes and one spelling update, all in drivers: two in lpfc and the rest in mp3sas, cxgbi and target" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: target/iblock: Fix protection error with blocks greater than 512B scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy() scsi: lpfc: fix spelling mistakes of asynchronous scsi: lpfc: fix build failure with DEBUGFS disabled scsi: mpt3sas: Fix double free in attach error handling
2019-12-19scsi: libfc: remove unnecessary assertion on ep variableAditya Pakki
In ft_recv_write_data(), the pointer ep is dereferenced first and then asserts for NULL. The patch removes the unnecessary assertion. Link: https://lore.kernel.org/r/20191217212214.30722-1-pakki001@umn.edu Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-12-19scsi: target/iblock: Fix protection error with blocks greater than 512BIsrael Rukshin
The sector size of the block layer is 512 bytes, but integrity interval size might be different (in case of 4K block size of the media). At the initiator side the virtual start sector is the one that was originally submitted by the block layer (512 bytes) for the Reftag usage. The initiator converts the Reftag to integrity interval units and sends it to the target. So the target virtual start sector should be calculated at integrity interval units. prepare_fn() and complete_fn() don't remap correctly the Reftag when using incorrect units of the virtual start sector, which leads to the following protection error at the device: "blk_update_request: protection error, dev sdb, sector 2048 op 0x0:(READ) flags 0x10000 phys_seg 1 prio class 0" To fix that, set the seed in integrity interval units. Link: https://lore.kernel.org/r/1576078562-15240-1-git-send-email-israelr@mellanox.com Signed-off-by: Israel Rukshin <israelr@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-12-09treewide: Use sizeof_field() macroPankaj Bharadiya
Replace all the occurrences of FIELD_SIZEOF() with sizeof_field() except at places where these are defined. Later patches will remove the unused definition of FIELD_SIZEOF(). This patch is generated using following script: EXCLUDE_FILES="include/linux/stddef.h|include/linux/kernel.h" git grep -l -e "\bFIELD_SIZEOF\b" | while read file; do if [[ "$file" =~ $EXCLUDE_FILES ]]; then continue fi sed -i -e 's/\bFIELD_SIZEOF\b/sizeof_field/g' $file; done Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com> Link: https://lore.kernel.org/r/20190924105839.110713-3-pankaj.laxminarayan.bharadiya@intel.com Co-developed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: David Miller <davem@davemloft.net> # for net
2019-12-02Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: aacraid, ufs, zfcp, NCR5380, lpfc, qla2xxx, smartpqi, hisi_sas, target, mpt3sas, pm80xx plus a whole load of minor updates and fixes. The major core changes are Al Viro's reworking of sg's handling of copy to/from user, Ming Lei's removal of the host busy counter to avoid contention in the multiqueue case and Damien Le Moal's fixing of residual tracking across error handling" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (251 commits) scsi: bnx2fc: timeout calculation invalid for bnx2fc_eh_abort() scsi: target: core: Fix a pr_debug() argument scsi: iscsi: Don't send data to unbound connection scsi: target: iscsi: Wait for all commands to finish before freeing a session scsi: target: core: Release SPC-2 reservations when closing a session scsi: target: core: Document target_cmd_size_check() scsi: bnx2i: fix potential use after free Revert "scsi: qla2xxx: Fix memory leak when sending I/O fails" scsi: NCR5380: Add disconnect_mask module parameter scsi: NCR5380: Unconditionally clear ICR after do_abort() scsi: NCR5380: Call scsi_set_resid() on command completion scsi: scsi_debug: num_tgts must be >= 0 scsi: lpfc: use hdwq assigned cpu for allocation scsi: arcmsr: fix indentation issues scsi: qla4xxx: fix double free bug scsi: pm80xx: Modified the logic to collect fatal dump scsi: pm80xx: Tie the interrupt name to the module instance scsi: pm80xx: Controller fatal error through sysfs scsi: pm80xx: Do not request 12G sas speeds scsi: pm80xx: Cleanup command when a reset times out ...
2019-11-19scsi: target: core: Fix a pr_debug() argumentBart Van Assche
Print the string for which conversion failed instead of printing the function name twice. Fixes: 2650d71e244f ("target: move transport ID handling to the core") Cc: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20191107215525.64415-1-bvanassche@acm.org Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-19scsi: target: iscsi: Wait for all commands to finish before freeing a sessionBart Van Assche
The iSCSI target driver is the only target driver that does not wait for ongoing commands to finish before freeing a session. Make the iSCSI target driver wait for ongoing commands to finish before freeing a session. This patch fixes the following KASAN complaint: BUG: KASAN: use-after-free in __lock_acquire+0xb1a/0x2710 Read of size 8 at addr ffff8881154eca70 by task kworker/0:2/247 CPU: 0 PID: 247 Comm: kworker/0:2 Not tainted 5.4.0-rc1-dbg+ #6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: target_completion target_complete_ok_work [target_core_mod] Call Trace: dump_stack+0x8a/0xd6 print_address_description.constprop.0+0x40/0x60 __kasan_report.cold+0x1b/0x33 kasan_report+0x16/0x20 __asan_load8+0x58/0x90 __lock_acquire+0xb1a/0x2710 lock_acquire+0xd3/0x200 _raw_spin_lock_irqsave+0x43/0x60 target_release_cmd_kref+0x162/0x7f0 [target_core_mod] target_put_sess_cmd+0x2e/0x40 [target_core_mod] lio_check_stop_free+0x12/0x20 [iscsi_target_mod] transport_cmd_check_stop_to_fabric+0xd8/0xe0 [target_core_mod] target_complete_ok_work+0x1b0/0x790 [target_core_mod] process_one_work+0x549/0xa40 worker_thread+0x7a/0x5d0 kthread+0x1bc/0x210 ret_from_fork+0x24/0x30 Allocated by task 889: save_stack+0x23/0x90 __kasan_kmalloc.constprop.0+0xcf/0xe0 kasan_slab_alloc+0x12/0x20 kmem_cache_alloc+0xf6/0x360 transport_alloc_session+0x29/0x80 [target_core_mod] iscsi_target_login_thread+0xcd6/0x18f0 [iscsi_target_mod] kthread+0x1bc/0x210 ret_from_fork+0x24/0x30 Freed by task 1025: save_stack+0x23/0x90 __kasan_slab_free+0x13a/0x190 kasan_slab_free+0x12/0x20 kmem_cache_free+0x146/0x400 transport_free_session+0x179/0x2f0 [target_core_mod] transport_deregister_session+0x130/0x180 [target_core_mod] iscsit_close_session+0x12c/0x350 [iscsi_target_mod] iscsit_logout_post_handler+0x136/0x380 [iscsi_target_mod] iscsit_response_queue+0x8de/0xbe0 [iscsi_target_mod] iscsi_target_tx_thread+0x27f/0x370 [iscsi_target_mod] kthread+0x1bc/0x210 ret_from_fork+0x24/0x30 The buggy address belongs to the object at ffff8881154ec9c0 which belongs to the cache se_sess_cache of size 352 The buggy address is located 176 bytes inside of 352-byte region [ffff8881154ec9c0, ffff8881154ecb20) The buggy address belongs to the page: page:ffffea0004553b00 refcount:1 mapcount:0 mapping:ffff888101755400 index:0x0 compound_mapcount: 0 flags: 0x2fff000000010200(slab|head) raw: 2fff000000010200 dead000000000100 dead000000000122 ffff888101755400 raw: 0000000000000000 0000000080130013 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881154ec900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881154ec980: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb >ffff8881154eca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881154eca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881154ecb00: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc Cc: Mike Christie <mchristi@redhat.com> Link: https://lore.kernel.org/r/20191113220508.198257-3-bvanassche@acm.org Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-19scsi: target: core: Release SPC-2 reservations when closing a sessionBart Van Assche
The SCSI specs require releasing SPC-2 reservations when a session is closed. Make sure that the target core does this. Running the libiscsi tests triggers the KASAN complaint shown below. This patch fixes that use-after-free. BUG: KASAN: use-after-free in target_check_reservation+0x171/0x980 [target_core_mod] Read of size 8 at addr ffff88802ecd1878 by task iscsi_trx/17200 CPU: 0 PID: 17200 Comm: iscsi_trx Not tainted 5.4.0-rc1-dbg+ #1 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 Call Trace: dump_stack+0x8a/0xd6 print_address_description.constprop.0+0x40/0x60 __kasan_report.cold+0x1b/0x34 kasan_report+0x16/0x20 __asan_load8+0x58/0x90 target_check_reservation+0x171/0x980 [target_core_mod] __target_execute_cmd+0xb1/0xf0 [target_core_mod] target_execute_cmd+0x22d/0x4d0 [target_core_mod] transport_generic_new_cmd+0x31f/0x5b0 [target_core_mod] transport_handle_cdb_direct+0x6f/0x90 [target_core_mod] iscsit_execute_cmd+0x381/0x3f0 [iscsi_target_mod] iscsit_sequence_cmd+0x13b/0x1f0 [iscsi_target_mod] iscsit_process_scsi_cmd+0x4c/0x130 [iscsi_target_mod] iscsit_get_rx_pdu+0x8e8/0x15f0 [iscsi_target_mod] iscsi_target_rx_thread+0x105/0x1b0 [iscsi_target_mod] kthread+0x1bc/0x210 ret_from_fork+0x24/0x30 Allocated by task 1079: save_stack+0x23/0x90 __kasan_kmalloc.constprop.0+0xcf/0xe0 kasan_slab_alloc+0x12/0x20 kmem_cache_alloc+0xfe/0x3a0 transport_alloc_session+0x29/0x80 [target_core_mod] iscsi_target_login_thread+0xceb/0x1920 [iscsi_target_mod] kthread+0x1bc/0x210 ret_from_fork+0x24/0x30 Freed by task 17193: save_stack+0x23/0x90 __kasan_slab_free+0x13a/0x190 kasan_slab_free+0x12/0x20 kmem_cache_free+0xc8/0x3e0 transport_free_session+0x179/0x2f0 [target_core_mod] transport_deregister_session+0x121/0x170 [target_core_mod] iscsit_close_session+0x12c/0x350 [iscsi_target_mod] iscsit_logout_post_handler+0x136/0x380 [iscsi_target_mod] iscsit_response_queue+0x8fa/0xc00 [iscsi_target_mod] iscsi_target_tx_thread+0x28e/0x390 [iscsi_target_mod] kthread+0x1bc/0x210 ret_from_fork+0x24/0x30 The buggy address belongs to the object at ffff88802ecd1860 which belongs to the cache se_sess_cache of size 352 The buggy address is located 24 bytes inside of 352-byte region [ffff88802ecd1860, ffff88802ecd19c0) The buggy address belongs to the page: page:ffffea0000bb3400 refcount:1 mapcount:0 mapping:ffff8880bef2ed00 index:0x0 compound_mapcount: 0 flags: 0x1000000000010200(slab|head) raw: 1000000000010200 dead000000000100 dead000000000122 ffff8880bef2ed00 raw: 0000000000000000 0000000080270027 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88802ecd1700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802ecd1780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88802ecd1800: fb fb fb fb fc fc fc fc fc fc fc fc fb fb fb fb ^ ffff88802ecd1880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802ecd1900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb Cc: Mike Christie <mchristi@redhat.com> Link: https://lore.kernel.org/r/20191113220508.198257-2-bvanassche@acm.org Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-19scsi: target: core: Document target_cmd_size_check()Bart Van Assche
Since it is nontrivial to derive the meaning of the size argument from the code, add a documentation header above target_cmd_size_check(). Cc: Mike Christie <mchristi@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Link: https://lore.kernel.org/r/20191107215458.64242-1-bvanassche@acm.org Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-08scsi: target: tcmu: Prevent memory reclaim recursionDamien Le Moal
Prevent recursion into the IO path under low memory conditions by using GFP_NOIO in place of GFP_KERNEL when allocating a new command with tcmu_alloc_cmd() and user ring space with tcmu_get_empty_block(). Link: https://lore.kernel.org/r/20191108082901.417950-1-damien.lemoal@wdc.com Reported-by: Masato Suzuki <masato.suzuki@wdc.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Acked-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-06scsi: target: iscsi: rename some variables to avoid confusion.Maurizio Lombardi
This patch renames some variables in chap_server_compute_hash() to make it harder to confuse the initiator's challenge with the target's challenge when the mutual chap authentication is used. Link: https://lore.kernel.org/r/20191017131037.9903-4-mlombard@redhat.com Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-06scsi: target: iscsi: tie the challenge length to the hash digest sizeMaurizio Lombardi
Link: https://lore.kernel.org/r/20191017131037.9903-3-mlombard@redhat.com Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Tested-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-06scsi: target: iscsi: CHAP: add support for SHA1, SHA256 and SHA3-256Maurizio Lombardi
This patch modifies the chap_server_compute_hash() function to make it agnostic to the choice of hash algorithm that is used. It also adds support to three new hash algorithms: SHA1, SHA256 and SHA3-256. The chap_got_response() function has been removed because the digest type validity is already checked by chap_server_open() Link: https://lore.kernel.org/r/20191028123822.5864-2-mlombard@redhat.com Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Tested-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-02Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Nine changes, eight in drivers [ufs, target, lpfc x 2, qla2xxx x 4] and one core change in sd that fixes an I/O failure on DIF type 3 devices" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: qla2xxx: stop timer in shutdown path scsi: sd: define variable dif as unsigned int instead of bool scsi: target: cxgbit: Fix cxgbit_fw4_ack() scsi: qla2xxx: Fix partial flash write of MBI scsi: qla2xxx: Initialized mailbox to prevent driver load failure scsi: lpfc: Honor module parameter lpfc_use_adisc scsi: ufs-bsg: Wake the device before sending raw upiu commands scsi: lpfc: Check queue pointer before use scsi: qla2xxx: fixup incorrect usage of host_byte
2019-10-25Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Nine changes, eight to drivers (qla2xxx, hpsa, lpfc, alua, ch, 53c710[x2], target) and one core change that tries to close a race between sysfs delete and module removal" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: lpfc: remove left-over BUILD_NVME defines scsi: core: try to get module before removing device scsi: hpsa: add missing hunks in reset-patch scsi: target: core: Do not overwrite CDB byte 1 scsi: ch: Make it possible to open a ch device multiple times again scsi: fix kconfig dependency warning related to 53C700_LE_ON_BE scsi: sni_53c710: fix compilation error scsi: scsi_dh_alua: handle RTPG sense code correctly during state transitions scsi: qla2xxx: fix a potential NULL pointer dereference
2019-10-24scsi: cxgb4i: remove set but not used variable 'ppmax'YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/cxgbi/cxgb4i/cxgb4i.c:2076:15: warning: variable ppmax set but not used [-Wunused-but-set-variable] drivers/target/iscsi/cxgbit/cxgbit_ddp.c:300:15: warning: variable ppmax set but not used [-Wunused-but-set-variable] It is not used since commit a248384e6420 ("cxgb4/libcxgb/cxgb4i/cxgbit: enable eDRAM page pods for iSCSI") Link: https://lore.kernel.org/r/20191021142042.30964-1-yuehaibing@huawei.com Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-24scsi: target: cxgbit: Fix cxgbit_fw4_ack()Bart Van Assche
Use the pointer 'p' after having tested that pointer instead of before. Fixes: 5cadafb236df ("target/cxgbit: Fix endianness annotations") Cc: Varun Prakash <varun@chelsio.com> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20191023202150.22173-1-bvanassche@acm.org Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-22scsi: target: remove unused extension parametersDavid Disseldorp
Reviewed-by: Mike Christie <mchristi@redhat.com> Signed-off-by: David Disseldorp <ddiss@suse.de> Link: https://lore.kernel.org/r/20190912095547.22427-4-ddiss@suse.de Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-22scsi: target: fix SendTargets=All string comparesDavid Disseldorp
strncmp is currently used for "SendTargets" key and "All" value matching without checking for trailing garbage. This means that Text request PDUs with garbage such as "SendTargetsPlease=All" and "SendTargets=Alle" are processed successfully as if they were "SendTargets=All" requests. Reviewed-by: Mike Christie <mchristi@redhat.com> Signed-off-by: David Disseldorp <ddiss@suse.de> Link: https://lore.kernel.org/r/20190912095547.22427-3-ddiss@suse.de Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-22scsi: target: compare full CHAP_A Algorithm stringsDavid Disseldorp
RFC 2307 states: For CHAP [RFC1994], in the first step, the initiator MUST send: CHAP_A=<A1,A2...> Where A1,A2... are proposed algorithms, in order of preference. ... For the Algorithm, as stated in [RFC1994], one value is required to be implemented: 5 (CHAP with MD5) LIO currently checks for this value by only comparing a single byte in the tokenized Algorithm string, which means that any value starting with a '5' (e.g. "55") is interpreted as "CHAP with MD5". Fix this by comparing the entire tokenized string. Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Mike Christie <mchristi@redhat.com> Signed-off-by: David Disseldorp <ddiss@suse.de> Link: https://lore.kernel.org/r/20190912095547.22427-2-ddiss@suse.de Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-17scsi: target: core: Do not overwrite CDB byte 1Bodo Stroesser
passthrough_parse_cdb() - used by TCMU and PSCSI - attepts to reset the LUN field of SCSI-2 CDBs (bits 5,6,7 of byte 1). The current code is wrong as for newer commands not having the LUN field it overwrites relevant command bits (e.g. for SECURITY PROTOCOL IN / OUT). We think this code was unnecessary from the beginning or at least it is no longer useful. So we remove it entirely. Link: https://lore.kernel.org/r/12498eab-76fd-eaad-1316-c2827badb76a@ts.fujitsu.com Signed-off-by: Bodo Stroesser <bstroesser@ts.fujitsu.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-10-03scsi: target: Remove tpg_list and se_portal_group.se_tpg_nodeBart Van Assche
Maintaining tpg_list without ever iterating over it is not useful. Hence remove tpg_list. This patch does not change the behavior of the SCSI target code. Cc: Mike Christie <mchristie@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Link: https://lore.kernel.org/r/20190930232224.58980-1-bvanassche@acm.org Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-09-24mm: introduce page_size()Matthew Wilcox (Oracle)
Patch series "Make working with compound pages easier", v2. These three patches add three helpers and convert the appropriate places to use them. This patch (of 3): It's unnecessarily hard to find out the size of a potentially huge page. Replace 'PAGE_SIZE << compound_order(page)' with page_size(page). Link: http://lkml.kernel.org/r/20190721104612.19120-2-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-21Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi, lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The only core change this time around is the addition of request batching for virtio. Since batching requires an additional flag to use, it should be invisible to the rest of the drivers" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (264 commits) scsi: hisi_sas: Fix the conflict between device gone and host reset scsi: hisi_sas: Add BIST support for phy loopback scsi: hisi_sas: Add hisi_sas_debugfs_alloc() to centralise allocation scsi: hisi_sas: Remove some unused function arguments scsi: hisi_sas: Remove redundant work declaration scsi: hisi_sas: Remove hisi_sas_hw.slot_complete scsi: hisi_sas: Assign NCQ tag for all NCQ commands scsi: hisi_sas: Update all the registers after suspend and resume scsi: hisi_sas: Retry 3 times TMF IO for SAS disks when init device scsi: hisi_sas: Remove sleep after issue phy reset if sas_smp_phy_control() fails scsi: hisi_sas: Directly return when running I_T_nexus reset if phy disabled scsi: hisi_sas: Use true/false as input parameter of sas_phy_reset() scsi: hisi_sas: add debugfs auto-trigger for internal abort time out scsi: virtio_scsi: unplug LUNs when events missed scsi: scsi_dh_rdac: zero cdb in send_mode_select() scsi: fcoe: fix null-ptr-deref Read in fc_release_transport scsi: ufs-hisi: use devm_platform_ioremap_resource() to simplify code scsi: ufshcd: use devm_platform_ioremap_resource() to simplify code scsi: hisi_sas: use devm_platform_ioremap_resource() to simplify code scsi: ufs: Use kmemdup in ufshcd_read_string_desc() ...
2019-08-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Minor conflict in r8169, bug fix had two versions in net and net-next, take the net-next hunks. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-14scsi: target: tcmu: avoid use-after-free after command timeoutDmitry Fomichev
In tcmu_handle_completion() function, the variable called read_len is always initialized with a value taken from se_cmd structure. If this function is called to complete an expired (timed out) out command, the session command pointed by se_cmd is likely to be already deallocated by the target core at that moment. As the result, this access triggers a use-after-free warning from KASAN. This patch fixes the code not to touch se_cmd when completing timed out TCMU commands. It also resets the pointer to se_cmd at the time when the TCMU_CMD_BIT_EXPIRED flag is set because it is going to become invalid after calling target_complete_cmd() later in the same function, tcmu_check_expired_cmd(). Signed-off-by: Dmitry Fomichev <dmitry.fomichev@wdc.com> Acked-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-08-07scsi: target: tcmu: clean the nl_cmd of the udev when nl send failsLi Zhong
If the userspace process crashes while we send the nl msg, it is possible that the cmd in curr_nl_cmd of tcmu_dev never gets reset to 0, and and returns busy for other commands after the userspace process is restartd. More details below: /backstores/user:file/file> set attribute dev_size=2048 Cannot set attribute dev_size: [Errno 3] No such process /backstores/user:file/file> set attribute dev_size=2048 Cannot set attribute dev_size: [Errno 16] Device or resource busy with following kernel messages: [173605.747169] Unable to reconfigure device [173616.686674] tcmu daemon: command reply support 1. [173623.866978] netlink cmd 3 already executing on file [173623.866984] Unable to reconfigure device Also, it is not safe to leave the nl_cmd in the list, and not get deleted. This patch removes the nl_cmd from the list, and clear its data if it is not sent successfully. Signed-off-by: Li Zhong <lizhongfs@gmail.com> Acked-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-08-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Just minor overlapping changes in the conflicts here. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-30net: Use skb_frag_off accessorsJonathan Lemon
Use accessor functions for skb fragment's page_offset instead of direct references, in preparation for bvec conversion. Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-24Build fixes for skb_frag_size conversionMatthew Wilcox (Oracle)
I missed a few places. One is in some ifdeffed code which will probably never be re-enabled; the others are in drivers which can't currently be compiled on x86. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22net: Use skb accessors in network driversMatthew Wilcox (Oracle)
In preparation for unifying the skb_frag and bio_vec, use the fine accessors which already exist and use skb_frag_t instead of struct skb_frag_struct. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22scsi: target: cxgbit: add support for IEEE_8021QAZ_APP_SEL_STREAM selectorVarun Prakash
IEEE_8021QAZ_APP_SEL_STREAM is a valid selector for iSCSI connections, so add code to use IEEE_8021QAZ_APP_SEL_STREAM selector to get priority mask. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-07-11Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: qla2xxx, hpsa, lpfc, ufs, mpt3sas, ibmvscsi, megaraid_sas, bnx2fc and hisi_sas as well as the removal of the osst driver (I heard from Willem privately that he would like the driver removed because all his test hardware has failed). Plus number of minor changes, spelling fixes and other trivia. The big merge conflict this time around is the SPDX licence tags. Following discussion on linux-next, we believe our version to be more accurate than the one in the tree, so the resolution is to take our version for all the SPDX conflicts" Note on the SPDX license tag conversion conflicts: the SCSI tree had done its own SPDX conversion, which in some cases conflicted with the treewide ones done by Thomas & co. In almost all cases, the conflicts were purely syntactic: the SCSI tree used the old-style SPDX tags ("GPL-2.0" and "GPL-2.0+") while the treewide conversion had used the new-style ones ("GPL-2.0-only" and "GPL-2.0-or-later"). In these cases I picked the new-style one. In a few cases, the SPDX conversion was actually different, though. As explained by James above, and in more detail in a pre-pull-request thread: "The other problem is actually substantive: In the libsas code Luben Tuikov originally specified gpl 2.0 only by dint of stating: * This file is licensed under GPLv2. In all the libsas files, but then muddied the water by quoting GPLv2 verbatim (which includes the or later than language). So for these files Christoph did the conversion to v2 only SPDX tags and Thomas converted to v2 or later tags" So in those cases, where the spdx tag substantially mattered, I took the SCSI tree conversion of it, but then also took the opportunity to turn the old-style "GPL-2.0" into a new-style "GPL-2.0-only" tag. Similarly, when there were whitespace differences or other differences to the comments around the copyright notices, I took the version from the SCSI tree as being the more specific conversion. Finally, in the spdx conversions that had no conflicts (because the treewide ones hadn't been done for those files), I just took the SCSI tree version as-is, even if it was old-style. The old-style conversions are perfectly valid, even if the "-only" and "-or-later" versions are perhaps more descriptive. * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (185 commits) scsi: qla2xxx: move IO flush to the front of NVME rport unregistration scsi: qla2xxx: Fix NVME cmd and LS cmd timeout race condition scsi: qla2xxx: on session delete, return nvme cmd scsi: qla2xxx: Fix kernel crash after disconnecting NVMe devices scsi: megaraid_sas: Update driver version to 07.710.06.00-rc1 scsi: megaraid_sas: Introduce various Aero performance modes scsi: megaraid_sas: Use high IOPS queues based on IO workload scsi: megaraid_sas: Set affinity for high IOPS reply queues scsi: megaraid_sas: Enable coalescing for high IOPS queues scsi: megaraid_sas: Add support for High IOPS queues scsi: megaraid_sas: Add support for MPI toolbox commands scsi: megaraid_sas: Offload Aero RAID5/6 division calculations to driver scsi: megaraid_sas: RAID1 PCI bandwidth limit algorithm is applicable for only Ventura scsi: megaraid_sas: megaraid_sas: Add check for count returned by HOST_DEVICE_LIST DCMD scsi: megaraid_sas: Handle sequence JBOD map failure at driver level scsi: megaraid_sas: Don't send FPIO to RL Bypass queue scsi: megaraid_sas: In probe context, retry IOC INIT once if firmware is in fault scsi: megaraid_sas: Release Mutex lock before OCR in case of DCMD timeout scsi: megaraid_sas: Call disable_irq from process IRQ poll scsi: megaraid_sas: Remove few debug counters from IO path ...
2019-07-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds
Pull networking updates from David Miller: "Some highlights from this development cycle: 1) Big refactoring of ipv6 route and neigh handling to support nexthop objects configurable as units from userspace. From David Ahern. 2) Convert explored_states in BPF verifier into a hash table, significantly decreased state held for programs with bpf2bpf calls, from Alexei Starovoitov. 3) Implement bpf_send_signal() helper, from Yonghong Song. 4) Various classifier enhancements to mvpp2 driver, from Maxime Chevallier. 5) Add aRFS support to hns3 driver, from Jian Shen. 6) Fix use after free in inet frags by allocating fqdirs dynamically and reworking how rhashtable dismantle occurs, from Eric Dumazet. 7) Add act_ctinfo packet classifier action, from Kevin Darbyshire-Bryant. 8) Add TFO key backup infrastructure, from Jason Baron. 9) Remove several old and unused ISDN drivers, from Arnd Bergmann. 10) Add devlink notifications for flash update status to mlxsw driver, from Jiri Pirko. 11) Lots of kTLS offload infrastructure fixes, from Jakub Kicinski. 12) Add support for mv88e6250 DSA chips, from Rasmus Villemoes. 13) Various enhancements to ipv6 flow label handling, from Eric Dumazet and Willem de Bruijn. 14) Support TLS offload in nfp driver, from Jakub Kicinski, Dirk van der Merwe, and others. 15) Various improvements to axienet driver including converting it to phylink, from Robert Hancock. 16) Add PTP support to sja1105 DSA driver, from Vladimir Oltean. 17) Add mqprio qdisc offload support to dpaa2-eth, from Ioana Radulescu. 18) Add devlink health reporting to mlx5, from Moshe Shemesh. 19) Convert stmmac over to phylink, from Jose Abreu. 20) Add PTP PHC (Physical Hardware Clock) support to mlxsw, from Shalom Toledo. 21) Add nftables SYNPROXY support, from Fernando Fernandez Mancera. 22) Convert tcp_fastopen over to use SipHash, from Ard Biesheuvel. 23) Track spill/fill of constants in BPF verifier, from Alexei Starovoitov. 24) Support bounded loops in BPF, from Alexei Starovoitov. 25) Various page_pool API fixes and improvements, from Jesper Dangaard Brouer. 26) Just like ipv4, support ref-countless ipv6 route handling. From Wei Wang. 27) Support VLAN offloading in aquantia driver, from Igor Russkikh. 28) Add AF_XDP zero-copy support to mlx5, from Maxim Mikityanskiy. 29) Add flower GRE encap/decap support to nfp driver, from Pieter Jansen van Vuuren. 30) Protect against stack overflow when using act_mirred, from John Hurley. 31) Allow devmap map lookups from eBPF, from Toke Høiland-Jørgensen. 32) Use page_pool API in netsec driver, Ilias Apalodimas. 33) Add Google gve network driver, from Catherine Sullivan. 34) More indirect call avoidance, from Paolo Abeni. 35) Add kTLS TX HW offload support to mlx5, from Tariq Toukan. 36) Add XDP_REDIRECT support to bnxt_en, from Andy Gospodarek. 37) Add MPLS manipulation actions to TC, from John Hurley. 38) Add sending a packet to connection tracking from TC actions, and then allow flower classifier matching on conntrack state. From Paul Blakey. 39) Netfilter hw offload support, from Pablo Neira Ayuso" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2080 commits) net/mlx5e: Return in default case statement in tx_post_resync_params mlx5: Return -EINVAL when WARN_ON_ONCE triggers in mlx5e_tls_resync(). net: dsa: add support for BRIDGE_MROUTER attribute pkt_sched: Include const.h net: netsec: remove static declaration for netsec_set_tx_de() net: netsec: remove superfluous if statement netfilter: nf_tables: add hardware offload support net: flow_offload: rename tc_cls_flower_offload to flow_cls_offload net: flow_offload: add flow_block_cb_is_busy() and use it net: sched: remove tcf block API drivers: net: use flow block API net: sched: use flow block API net: flow_offload: add flow_block_cb_{priv, incref, decref}() net: flow_offload: add list handling functions net: flow_offload: add flow_block_cb_alloc() and flow_block_cb_free() net: flow_offload: rename TCF_BLOCK_BINDER_TYPE_* to FLOW_BLOCK_BINDER_TYPE_* net: flow_offload: rename TC_BLOCK_{UN}BIND to FLOW_BLOCK_{UN}BIND net: flow_offload: add flow_block_cb_setup_simple() net: hisilicon: Add an tx_desc to adapt HI13X1_GMAC net: hisilicon: Add an rx_desc to adapt HI13X1_GMAC ...
2019-07-06Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Two iscsi fixes. One for an oops in the client which can be triggered by the server authentication protocol and the other in the target code which causes data corruption" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: iscsi: set auth_protocol back to NULL if CHAP_A value is not supported scsi: target/iblock: Fix overrun in WRITE SAME emulation
2019-07-02scsi: iscsi: set auth_protocol back to NULL if CHAP_A value is not supportedMaurizio Lombardi
If the CHAP_A value is not supported, the chap_server_open() function should free the auth_protocol pointer and set it to NULL, or we will leave a dangling pointer around. [ 66.010905] Unsupported CHAP_A value [ 66.011660] Security negotiation failed. [ 66.012443] iSCSI Login negotiation failed. [ 68.413924] general protection fault: 0000 [#1] SMP PTI [ 68.414962] CPU: 0 PID: 1562 Comm: targetcli Kdump: loaded Not tainted 4.18.0-80.el8.x86_64 #1 [ 68.416589] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011 [ 68.417677] RIP: 0010:__kmalloc_track_caller+0xc2/0x210 Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-07-02scsi: target/iblock: Fix overrun in WRITE SAME emulationRoman Bolshakov
WRITE SAME corrupts data on the block device behind iblock if the command is emulated. The emulation code issues (M - 1) * N times more bios than requested, where M is the number of 512 blocks per real block size and N is the NUMBER OF LOGICAL BLOCKS specified in WRITE SAME command. So, for a device with 4k blocks, 7 * N more LBAs gets written after the requested range. The issue happens because the number of 512 byte sectors to be written is decreased one by one while the real bios are typically from 1 to 8 512 byte sectors per bio. Fixes: c66ac9db8d4a ("[SCSI] target: Add LIO target core v4.0.0-rc6") Cc: <stable@vger.kernel.org> Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-06-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Minor SPDX change conflict. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-20scsi: tcmu: Simplify tcmu_update_uio_info()Christophe JAILLET
Use 'kasprintf()' instead of: - snprintf(NULL, 0... - kmalloc(... - snprintf(... This is less verbose and saves 7 bytes (i.e. the space for '/(null)') if 'udev->dev_config' is NULL. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-18scsi: target/iscsi: fix possible condition with no effect (if == else)Hariprasad Kelam
Fix the following warning reported by coccicheck: drivers/target/iscsi/iscsi_target_nego.c:175:6-8: WARNING: possible condition with no effect (if == else) Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> Reviewed-by: David Disseldorp <ddiss@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-06-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Honestly all the conflicts were simple overlapping changes, nothing really interesting to report. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-10cxgb4/libcxgb/cxgb4i/cxgbit: enable eDRAM page pods for iSCSIVarun Prakash
Page pods are used for direct data placement, this patch enables eDRAM page pods if firmware supports this feature. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>