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Message-Id: <20201214144936.0e80792630d3565033d63a80@linux-foundation.org>
Date: Mon, 14 Dec 2020 14:49:36 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: kernel test robot <rong.a.chen@...el.com>
Cc: Willem de Bruijn <willemb@...gle.com>,
Stephen Rothwell <sfr@...b.auug.org.au>,
Al Viro <viro@...iv.linux.org.uk>,
Arnd Bergmann <arnd@...db.de>,
Matthew Wilcox <willy@...radead.org>,
LKML <linux-kernel@...r.kernel.org>,
Linux Memory Management List <linux-mm@...ck.org>,
lkp@...ts.01.org, lkp@...el.com
Subject: Re: [epoll] fb72873666:
WARNING:at_kernel/tracepoint.c:#tracepoint_probe_register_prio
On Mon, 14 Dec 2020 22:58:34 +0800 kernel test robot <rong.a.chen@...el.com> wrote:
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: fb728736669f7805bcc0fa1c4d578faf991d62a8 ("epoll: wire up syscall epoll_pwait2")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
That patch was quite messed up with incorrect syscall numbers, after
some rejects storm. I fixed that up but x86_64 was OK before so I'm
not sure this explains the crash.
arch/alpha/kernel/syscalls/syscall.tbl | 2 +-
arch/arm/tools/syscall.tbl | 2 +-
arch/ia64/kernel/syscalls/syscall.tbl | 2 +-
arch/m68k/kernel/syscalls/syscall.tbl | 2 +-
arch/microblaze/kernel/syscalls/syscall.tbl | 2 +-
arch/mips/kernel/syscalls/syscall_n32.tbl | 2 +-
arch/mips/kernel/syscalls/syscall_n64.tbl | 2 +-
arch/mips/kernel/syscalls/syscall_o32.tbl | 2 +-
arch/parisc/kernel/syscalls/syscall.tbl | 2 +-
arch/powerpc/kernel/syscalls/syscall.tbl | 2 +-
arch/s390/kernel/syscalls/syscall.tbl | 2 +-
arch/sh/kernel/syscalls/syscall.tbl | 2 +-
arch/sparc/kernel/syscalls/syscall.tbl | 2 +-
arch/xtensa/kernel/syscalls/syscall.tbl | 2 +-
14 files changed, 14 insertions(+), 14 deletions(-)
--- a/arch/alpha/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/alpha/kernel/syscalls/syscall.tbl
@@ -481,4 +481,4 @@
549 common faccessat2 sys_faccessat2
550 common process_madvise sys_process_madvise
551 common watch_mount sys_watch_mount
-553 common epoll_pwait2 sys_epoll_pwait2
+552 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/arm/tools/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/arm/tools/syscall.tbl
@@ -455,4 +455,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/ia64/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/ia64/kernel/syscalls/syscall.tbl
@@ -362,4 +362,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/m68k/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/m68k/kernel/syscalls/syscall.tbl
@@ -441,4 +441,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/microblaze/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -447,4 +447,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -380,4 +380,4 @@
439 n32 faccessat2 sys_faccessat2
440 n32 process_madvise sys_process_madvise
441 n32 watch_mount sys_watch_mount
-443 n32 epoll_pwait2 sys_epoll_pwait2
+442 n32 epoll_pwait2 sys_epoll_pwait2
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -356,4 +356,4 @@
439 n64 faccessat2 sys_faccessat2
440 n64 process_madvise sys_process_madvise
441 n64 watch_mount sys_watch_mount
-443 n64 epoll_pwait2 sys_epoll_pwait2
+442 n64 epoll_pwait2 sys_epoll_pwait2
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -429,4 +429,4 @@
439 o32 faccessat2 sys_faccessat2
440 o32 process_madvise sys_process_madvise
441 o32 watch_mount sys_watch_mount
-443 o32 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 o32 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--- a/arch/parisc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/parisc/kernel/syscalls/syscall.tbl
@@ -439,4 +439,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--- a/arch/powerpc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -531,4 +531,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--- a/arch/s390/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/s390/kernel/syscalls/syscall.tbl
@@ -444,4 +444,4 @@
439 common faccessat2 sys_faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2
--- a/arch/sh/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/sh/kernel/syscalls/syscall.tbl
@@ -444,4 +444,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/sparc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/sparc/kernel/syscalls/syscall.tbl
@@ -487,4 +487,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2
--- a/arch/xtensa/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix
+++ a/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -412,4 +412,4 @@
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
441 common watch_mount sys_watch_mount
-443 common epoll_pwait2 sys_epoll_pwait2
+442 common epoll_pwait2 sys_epoll_pwait2
_
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