Title | Replies (including bot) | Last reply |
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[syzbot] Monthly io-uring report (Jun 2024) | 1 (2) | 2024/06/28 20:41 |
[syzbot] [io-uring?] KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel (3) | 0 (1) | 2024/06/13 17:18 |
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Title | Replies (including bot) | Last reply |
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[syzbot] Monthly io-uring report (Jun 2024) | 1 (2) | 2024/06/28 20:41 |
[syzbot] [io-uring?] KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel (3) | 0 (1) | 2024/06/13 17:18 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel io-uring | 1 | 830d | 830d | 0/28 | auto-obsoleted due to no activity on 2022/12/11 07:07 | |||
upstream | KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel (2) io-uring | 1 | 683d | 683d | 0/28 | auto-obsoleted due to no activity on 2023/05/07 12:48 |
================================================================== BUG: KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel read-write to 0xffff88812bfb34e0 of 4 bytes by task 18615 on cpu 1: __io_wq_worker_cancel io_uring/io-wq.c:993 [inline] io_wq_worker_cancel+0x70/0x140 io_uring/io-wq.c:1010 io_wq_for_each_worker+0x116/0x200 io_uring/io-wq.c:874 io_wq_cancel_running_work io_uring/io-wq.c:1080 [inline] io_wq_cancel_cb+0x10d/0x190 io_uring/io-wq.c:1111 io_async_cancel_one io_uring/cancel.c:87 [inline] __io_async_cancel+0x176/0x270 io_uring/cancel.c:187 __io_sync_cancel io_uring/cancel.c:261 [inline] io_sync_cancel+0x3e6/0x6d0 io_uring/cancel.c:301 __io_uring_register io_uring/register.c:543 [inline] __do_sys_io_uring_register io_uring/register.c:616 [inline] __se_sys_io_uring_register+0x504/0x1190 io_uring/register.c:577 __x64_sys_io_uring_register+0x55/0x70 io_uring/register.c:577 x64_sys_call+0x2c2/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:428 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 0xffff88812bfb34e0 of 4 bytes by task 18613 on cpu 0: io_get_work_hash io_uring/io-wq.c:454 [inline] io_worker_handle_work+0x41a/0x9a0 io_uring/io-wq.c:591 io_wq_worker+0x286/0x820 io_uring/io-wq.c:651 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 18613 Comm: iou-wrk-18610 Tainted: G W 6.10.0-rc4-syzkaller-00033-g14d7c92f8df9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/06/18 10:37 | upstream | 14d7c92f8df9 | ce6011bc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel | ||
2024/06/13 16:16 | upstream | 2ccbdf43d5e7 | a9616ff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in io_worker_handle_work / io_wq_worker_cancel |