On Mon, 14 Dec 2020 22:58:34 +0800 kernel test robot <rong.a.chen@xxxxxxxxx> 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 _