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Merge tag 'core_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull syscall tracing fix from Borislav Petkov:
 "Fix the seccomp syscall rewriting so that trace and audit see the
  rewritten syscall number, from Kees Cook"

* tag 'core_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  core/entry: Report syscall correctly for trace and audit
This commit is contained in:
Linus Torvalds
2020-09-20 15:37:15 -07:00
parent 1f8ee7e852 b6ec413461
commit e2bff391ca
1 changed files with 4 additions and 2 deletions
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kernel/entry/common.c
+4 -2
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@@ -60,13 +60,15 @@ static long syscall_trace_enter(struct pt_regs *regs, long syscall,
return ret;
}
/* Either of the above might have changed the syscall number */
syscall = syscall_get_nr(current, regs);
if (unlikely(ti_work & _TIF_SYSCALL_TRACEPOINT))
trace_sys_enter(regs, syscall);
syscall_enter_audit(regs, syscall);
/* The above might have changed the syscall number */
return ret ? : syscall_get_nr(current, regs);
return ret ? : syscall;
}
static __always_inline long