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================================================================== BUG: KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register read-write to 0xffff88813a0e70a0 of 4 bytes by task 17960 on cpu 0: io_sqe_files_register+0x2f4/0x3f0 io_uring/rsrc.c:873 __io_uring_register io_uring/io_uring.c:4303 [inline] __do_sys_io_uring_register io_uring/io_uring.c:4469 [inline] __se_sys_io_uring_register+0x3eb/0x1040 io_uring/io_uring.c:4429 __x64_sys_io_uring_register+0x55/0x60 io_uring/io_uring.c:4429 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813a0e70a0 of 4 bytes by task 17964 on cpu 1: __do_sys_io_uring_register io_uring/io_uring.c:4471 [inline] __se_sys_io_uring_register+0xc2c/0x1040 io_uring/io_uring.c:4429 __x64_sys_io_uring_register+0x55/0x60 io_uring/io_uring.c:4429 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00000000 -> 0x00000003 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 17964 Comm: syz-executor.3 Not tainted 6.4.0-rc4-syzkaller-00047-gafead42fdfca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/31 15:15 | upstream | afead42fdfca | 09898419 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __se_sys_io_uring_register / io_sqe_files_register |