syzbot |
sign-in | mailing list | source | docs |
🐞 Open [1168] ≡ Subsystems 🐞 Fixed [4404] 🐞 Invalid [9907] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in n_tty_check_unthrottle / n_tty_receive_buf_common (3) | 1 | 200d | 200d | 0/24 | auto-obsoleted due to no activity on 2022/10/12 09:32 | |||
upstream | KCSAN: data-race in n_tty_check_unthrottle / n_tty_receive_buf_common (4) | 1 | 139d | 139d | 0/24 | auto-obsoleted due to no activity on 2022/12/12 09:48 | |||
upstream | KCSAN: data-race in n_tty_check_unthrottle / n_tty_receive_buf_common (2) | 1 | 316d | 316d | 0/24 | auto-closed as invalid on 2022/06/18 01:09 |
================================================================== BUG: KCSAN: data-race in n_tty_check_unthrottle / n_tty_receive_buf_common write to 0xffff888134dd05e8 of 4 bytes by task 25676 on cpu 1: tty_set_flow_change drivers/tty/tty.h:54 [inline] n_tty_check_throttle drivers/tty/n_tty.c:261 [inline] n_tty_receive_buf_common+0x4dc8/0x4e70 drivers/tty/n_tty.c:1693 n_tty_receive_buf+0x2b/0x40 drivers/tty/n_tty.c:1703 tiocsti drivers/tty/tty_io.c:2310 [inline] tty_ioctl+0x969/0x1130 drivers/tty/tty_io.c:2719 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:860 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae write to 0xffff888134dd05e8 of 4 bytes by task 25675 on cpu 0: __tty_set_flow_change drivers/tty/tty.h:49 [inline] n_tty_check_unthrottle+0x1bc/0x1d0 drivers/tty/n_tty.c:299 n_tty_read+0xe07/0x1070 drivers/tty/n_tty.c:2214 iterate_tty_read drivers/tty/tty_io.c:868 [inline] tty_read+0x19c/0x430 drivers/tty/tty_io.c:944 call_read_iter include/linux/fs.h:2156 [inline] do_iter_readv_writev+0x2fb/0x380 fs/read_write.c:723 do_iter_read+0x192/0x5d0 fs/read_write.c:786 vfs_readv fs/read_write.c:906 [inline] do_readv+0x171/0x2c0 fs/read_write.c:943 __do_sys_readv fs/read_write.c:1034 [inline] __se_sys_readv fs/read_write.c:1031 [inline] __x64_sys_readv+0x41/0x50 fs/read_write.c:1031 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000002 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 25675 Comm: syz-executor.1 Not tainted 5.16.0-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 | 2021/12/18 22:25 | upstream | 9eaa88c7036e | 44068e19 | .config | console log | report | info | KCSAN: data-race in n_tty_check_unthrottle / n_tty_receive_buf_common | |||
ci2-upstream-kcsan-gce | 2021/11/22 23:18 | upstream | 136057256686 | 545ab074 | .config | console log | report | info | KCSAN: data-race in n_tty_check_unthrottle / n_tty_receive_buf_common | |||
ci2-upstream-kcsan-gce | 2021/11/06 06:39 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | KCSAN: data-race in n_tty_check_unthrottle / n_tty_receive_buf_common |