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================================================================== BUG: KCSAN: data-race in pipe_poll / pipe_release write to 0xffff888103616968 of 4 bytes by task 11083 on cpu 0: pipe_release+0xad/0x1c0 fs/pipe.c:731 __fput+0x17a/0x6d0 fs/file_table.c:431 ____fput+0x1c/0x30 fs/file_table.c:459 task_work_run+0x13a/0x1a0 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x5dd/0x17f0 kernel/exit.c:939 do_group_exit+0x142/0x150 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x1f/0x20 kernel/exit.c:1097 x64_sys_call+0x2d5d/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888103616968 of 4 bytes by task 3304 on cpu 1: pipe_poll+0x177/0x250 fs/pipe.c:689 vfs_poll include/linux/poll.h:84 [inline] do_select+0x8d2/0xf70 fs/select.c:535 core_sys_select+0x362/0x530 fs/select.c:678 do_pselect fs/select.c:760 [inline] __do_sys_pselect6 fs/select.c:803 [inline] __se_sys_pselect6+0x20d/0x270 fs/select.c:794 __x64_sys_pselect6+0x78/0x90 fs/select.c:794 x64_sys_call+0x26f7/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:271 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000001 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 3304 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/10/26 16:47 | upstream | 850925a8133c | 65e8686b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in pipe_poll / pipe_release | ||
2024/09/29 18:48 | upstream | e7ed34365879 | ba29ff75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in pipe_poll / pipe_release |