aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/arm64/include/asm/unistd32.h2
-rw-r--r--arch/arm64/kernel/sys32.S7
-rw-r--r--arch/mips/kernel/linux32.c7
-rw-r--r--arch/mips/kernel/scall64-o32.S2
-rw-r--r--arch/parisc/kernel/sys_parisc32.c8
-rw-r--r--arch/powerpc/kernel/sys_ppc32.c8
-rw-r--r--arch/s390/kernel/compat_wrapper.S9
-rw-r--r--arch/s390/kernel/syscalls.S2
-rw-r--r--arch/sparc/kernel/sys32.S9
-rw-r--r--arch/sparc/kernel/systbls_64.S2
-rw-r--r--arch/x86/ia32/sys_ia32.c9
-rw-r--r--arch/x86/include/asm/sys_ia32.h3
-rw-r--r--arch/x86/syscalls/syscall_32.tbl2
-rw-r--r--fs/notify/fanotify/fanotify_user.c17
-rw-r--r--include/linux/compat.h2
-rw-r--r--kernel/sys_ni.c1
16 files changed, 25 insertions, 65 deletions
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 12f22492df4c..58125bf008d3 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -389,7 +389,7 @@ __SYSCALL(364, sys_perf_event_open)
__SYSCALL(365, compat_sys_recvmmsg)
__SYSCALL(366, sys_accept4)
__SYSCALL(367, sys_fanotify_init)
-__SYSCALL(368, compat_sys_fanotify_mark_wrapper)
+__SYSCALL(368, compat_sys_fanotify_mark)
__SYSCALL(369, sys_prlimit64)
__SYSCALL(370, sys_name_to_handle_at)
__SYSCALL(371, compat_sys_open_by_handle_at)
diff --git a/arch/arm64/kernel/sys32.S b/arch/arm64/kernel/sys32.S
index db01aa978c41..a1b19ed7467c 100644
--- a/arch/arm64/kernel/sys32.S
+++ b/arch/arm64/kernel/sys32.S
@@ -104,13 +104,6 @@ compat_sys_fallocate_wrapper:
b sys_fallocate
ENDPROC(compat_sys_fallocate_wrapper)
-compat_sys_fanotify_mark_wrapper:
- orr x2, x2, x3, lsl #32
- mov w3, w4
- mov w4, w5
- b sys_fanotify_mark
-ENDPROC(compat_sys_fanotify_mark_wrapper)
-
#undef __SYSCALL
#define __SYSCALL(x, y) .quad y // x
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index d1d576b765f5..0b29646bcee7 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -165,10 +165,3 @@ asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_a2,
return sys_fallocate(fd, mode, merge_64(offset_a2, offset_a3),
merge_64(len_a4, len_a5));
}
-
-SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags,
- u64, a3, u64, a4, int, dfd, const char __user *, pathname)
-{
- return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4),
- dfd, pathname);
-}
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 103bfe570fe8..74f485d3c0ef 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -529,7 +529,7 @@ sys_call_table:
PTR sys_accept4
PTR compat_sys_recvmmsg /* 4335 */
PTR sys_fanotify_init
- PTR sys_32_fanotify_mark
+ PTR compat_sys_fanotify_mark
PTR sys_prlimit64
PTR sys_name_to_handle_at
PTR compat_sys_open_by_handle_at /* 4340 */
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index f517e08e7f0d..a134ff4da12e 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -59,11 +59,3 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23,
current->comm, current->pid, r20);
return -ENOSYS;
}
-
-asmlinkage long compat_sys_fanotify_mark(int fan_fd, int flags, u32 mask_hi,
- u32 mask_lo, int fd,
- const char __user *pathname)
-{
- return sys_fanotify_mark(fan_fd, flags, ((u64)mask_hi << 32) | mask_lo,
- fd, pathname);
-}
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index cd6e19d263b3..8a285876aef8 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -126,11 +126,3 @@ asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags,
return sys_sync_file_range(fd, offset, nbytes, flags);
}
-
-asmlinkage long compat_sys_fanotify_mark(int fanotify_fd, unsigned int flags,
- unsigned mask_hi, unsigned mask_lo,
- int dfd, const char __user *pathname)
-{
- u64 mask = ((u64)mask_hi << 32) | mask_lo;
- return sys_fanotify_mark(fanotify_fd, flags, mask, dfd, pathname);
-}
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 2d72d9e96c15..99696783fbf7 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1349,15 +1349,6 @@ ENTRY(sys_fanotify_init_wrapper)
llgfr %r3,%r3 # unsigned int
jg sys_fanotify_init # branch to system call
-ENTRY(sys_fanotify_mark_wrapper)
- lgfr %r2,%r2 # int
- llgfr %r3,%r3 # unsigned int
- sllg %r4,%r4,32 # get high word of 64bit mask
- lr %r4,%r5 # get low word of 64bit mask
- llgfr %r5,%r6 # unsigned int
- llgt %r6,164(%r15) # char *
- jg sys_fanotify_mark # branch to system call
-
ENTRY(sys_prlimit64_wrapper)
lgfr %r2,%r2 # pid_t
llgfr %r3,%r3 # unsigned int
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 9f214e992eed..9605e063dc8b 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -341,7 +341,7 @@ SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev)
SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo) /* 330 */
SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
SYSCALL(sys_fanotify_init,sys_fanotify_init,sys_fanotify_init_wrapper)
-SYSCALL(sys_fanotify_mark,sys_fanotify_mark,sys_fanotify_mark_wrapper)
+SYSCALL(sys_fanotify_mark,sys_fanotify_mark,compat_sys_fanotify_mark)
SYSCALL(sys_prlimit64,sys_prlimit64,sys_prlimit64_wrapper)
SYSCALL(sys_name_to_handle_at,sys_name_to_handle_at,sys_name_to_handle_at_wrapper) /* 335 */
SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at)
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index 2e680b5245c9..f7c72b6efc27 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -239,15 +239,6 @@ do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
nop
nop
- .globl sys32_fanotify_mark
-sys32_fanotify_mark:
- sethi %hi(sys_fanotify_mark), %g1
- sllx %o2, 32, %o2
- or %o2, %o3, %o2
- mov %o4, %o3
- jmpl %g1 + %lo(sys_fanotify_mark), %g0
- mov %o5, %o4
-
.section __ex_table,"a"
.align 4
.word 1b, __retl_efault, 2b, __retl_efault
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 8fd932080215..6d81597064b6 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -84,7 +84,7 @@ sys_call_table32:
.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv
.word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init
-/*330*/ .word sys32_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
+/*330*/ .word compat_sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
.word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 4e4907c67d92..8e0ceecdc957 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -243,12 +243,3 @@ asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_lo,
return sys_fallocate(fd, mode, ((u64)offset_hi << 32) | offset_lo,
((u64)len_hi << 32) | len_lo);
}
-
-asmlinkage long sys32_fanotify_mark(int fanotify_fd, unsigned int flags,
- u32 mask_lo, u32 mask_hi,
- int fd, const char __user *pathname)
-{
- return sys_fanotify_mark(fanotify_fd, flags,
- ((u64)mask_hi << 32) | mask_lo,
- fd, pathname);
-}
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index 0ef202e232d6..82c34ee25a65 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -50,9 +50,6 @@ asmlinkage long sys32_fallocate(int, int, unsigned,
asmlinkage long sys32_sigreturn(void);
asmlinkage long sys32_rt_sigreturn(void);
-asmlinkage long sys32_fanotify_mark(int, unsigned int, u32, u32, int,
- const char __user *);
-
#endif /* CONFIG_COMPAT */
#endif /* _ASM_X86_SYS_IA32_H */
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index d0d59bfbccce..aabfb8380a1c 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -345,7 +345,7 @@
336 i386 perf_event_open sys_perf_event_open
337 i386 recvmmsg sys_recvmmsg compat_sys_recvmmsg
338 i386 fanotify_init sys_fanotify_init
-339 i386 fanotify_mark sys_fanotify_mark sys32_fanotify_mark
+339 i386 fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
340 i386 prlimit64 sys_prlimit64
341 i386 name_to_handle_at sys_name_to_handle_at
342 i386 open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index d0be29fa94cf..6c80083a984f 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -13,6 +13,7 @@
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/uaccess.h>
+#include <linux/compat.h>
#include <asm/ioctls.h>
@@ -857,6 +858,22 @@ fput_and_out:
return ret;
}
+#ifdef CONFIG_COMPAT
+COMPAT_SYSCALL_DEFINE6(fanotify_mark,
+ int, fanotify_fd, unsigned int, flags,
+ __u32, mask0, __u32, mask1, int, dfd,
+ const char __user *, pathname)
+{
+ return sys_fanotify_mark(fanotify_fd, flags,
+#ifdef __BIG_ENDIAN
+ ((__u64)mask1 << 32) | mask0,
+#else
+ ((__u64)mask0 << 32) | mask1,
+#endif
+ dfd, pathname);
+}
+#endif
+
/*
* fanotify_user_setup - Our initialization function. Note that we cannot return
* error because we have compiled-in VFS hooks. So an (unlikely) failure here
diff --git a/include/linux/compat.h b/include/linux/compat.h
index d53c35352ea9..7f0c1dd09079 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -673,6 +673,8 @@ int __compat_save_altstack(compat_stack_t __user *, unsigned long);
asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
struct compat_timespec __user *interval);
+asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
+ int, const char __user *);
#else
#define is_compat_task() (0)
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index bfd6787b355a..7078052284fd 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -200,6 +200,7 @@ cond_syscall(sys_perf_event_open);
/* fanotify! */
cond_syscall(sys_fanotify_init);
cond_syscall(sys_fanotify_mark);
+cond_syscall(compat_sys_fanotify_mark);
/* open by handle */
cond_syscall(sys_name_to_handle_at);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 23:20:42 +0000