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authorAl Viro <viro@zeniv.linux.org.uk>2021-09-18 18:18:48 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2022-10-29 23:31:15 -0400
commitf7b2431a6d22f7a91c567708e071dfcd6d66db14 (patch)
treef0dd74bb29b574e3688c211043fc4881c3d913f0 /arch
parent71ac548bfd318930e3040d96c25f361b5d558296 (diff)
alpha: fix syscall entry in !AUDUT_SYSCALL case
We only want to take the slow path if SYSCALL_TRACE or SYSCALL_AUDIT is set; on !AUDIT_SYSCALL configs the current tree hits it whenever _any_ thread flag (including NEED_RESCHED, NOTIFY_SIGNAL, etc.) happens to be set. Fixes: a9302e843944 "alpha: Enable system-call auditing support" Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/kernel/entry.S4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index e227f3a29a43..c41a5a9c3b9f 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -469,8 +469,10 @@ entSys:
#ifdef CONFIG_AUDITSYSCALL
lda $6, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
and $3, $6, $3
-#endif
bne $3, strace
+#else
+ blbs $3, strace /* check for SYSCALL_TRACE in disguise */
+#endif
beq $4, 1f
ldq $27, 0($5)
1: jsr $26, ($27), sys_ni_syscall