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🐞 Open [1159] 🐞 Fixed [4315] 🐞 Invalid [9652] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in do_epoll_wait / ep_poll_callback (7) | 1 | 361d | 361d | 0/24 | auto-closed as invalid on 2022/03/12 11:24 | |||
upstream | KCSAN: data-race in do_epoll_wait / ep_poll_callback (6) | 1 | 403d | 403d | 0/24 | auto-closed as invalid on 2022/01/29 14:05 | |||
upstream | KCSAN: data-race in do_epoll_wait / ep_poll_callback (2) | 2 | 724d | 727d | 0/24 | auto-closed as invalid on 2021/03/14 02:07 | |||
upstream | KCSAN: data-race in do_epoll_wait / ep_poll_callback (5) | 2 | 509d | 519d | 0/24 | auto-closed as invalid on 2021/10/15 22:14 | |||
upstream | KCSAN: data-race in do_epoll_wait / ep_poll_callback (4) | 1 | 602d | 602d | 0/24 | auto-closed as invalid on 2021/07/14 13:56 | |||
upstream | KCSAN: data-race in do_epoll_wait / ep_poll_callback (8) | 1 | 311d | 311d | 0/24 | auto-closed as invalid on 2022/05/01 05:30 | |||
upstream | KCSAN: data-race in do_epoll_wait / ep_poll_callback | 221 | 912d | 949d | 0/24 | auto-closed as invalid on 2020/08/31 10:40 |
================================================================== BUG: KCSAN: data-race in do_epoll_wait / ep_poll_callback write to 0xffff888024d27168 of 4 bytes by task 29692 on cpu 0: ep_send_events fs/eventpoll.c:1692 [inline] ep_poll fs/eventpoll.c:1792 [inline] do_epoll_wait+0x843/0xf00 fs/eventpoll.c:2220 __do_sys_epoll_wait fs/eventpoll.c:2232 [inline] __se_sys_epoll_wait fs/eventpoll.c:2227 [inline] __x64_sys_epoll_wait+0xf6/0x120 fs/eventpoll.c:2227 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888024d27168 of 4 bytes by task 29695 on cpu 1: ep_poll_callback+0x415/0x4e0 fs/eventpoll.c:1200 __wake_up_common+0xbc/0x130 kernel/sched/wait.c:108 __wake_up_common_lock kernel/sched/wait.c:138 [inline] __wake_up+0x80/0xc0 kernel/sched/wait.c:157 tty_ldisc_lock drivers/tty/tty_ldisc.c:336 [inline] tty_ldisc_hangup+0x1b1/0x4b0 drivers/tty/tty_ldisc.c:745 __tty_hangup+0x467/0x610 drivers/tty/tty_io.c:639 tty_vhangup drivers/tty/tty_io.c:712 [inline] tty_ioctl+0x59a/0x10c0 drivers/tty/tty_io.c:2742 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:739 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 29695 Comm: syz-executor.2 Tainted: G W 5.12.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/03/31 08:49 | upstream | 5e46d1b78a03 | 6a81331a | .config | console log | report | info | KCSAN: data-race in do_epoll_wait / ep_poll_callback |