syzbot |
sign-in | mailing list | source | docs |
🐞 Open [1163] 🐞 Fixed [4320] 🐞 Invalid [9662] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in n_tty_check_unthrottle / tty_throttle_safe (3) | 1 | 485d | 485d | 0/24 | auto-closed as invalid on 2021/11/11 06:32 | |||
upstream | KCSAN: data-race in n_tty_check_unthrottle / tty_throttle_safe (2) | 5 | 533d | 567d | 0/24 | auto-closed as invalid on 2021/09/24 06:37 |
================================================================== BUG: KCSAN: data-race in n_tty_check_unthrottle / tty_throttle_safe write to 0xffff88812fecc5ec of 4 bytes by task 3753 on cpu 0: tty_set_flow_change drivers/tty/tty.h:54 [inline] n_tty_check_unthrottle+0xe8/0x1d0 drivers/tty/n_tty.c:291 n_tty_read+0x4a4/0x10c0 drivers/tty/n_tty.c:2161 iterate_tty_read drivers/tty/tty_io.c:873 [inline] tty_read+0x18c/0x410 drivers/tty/tty_io.c:950 call_read_iter include/linux/fs.h:2108 [inline] new_sync_read fs/read_write.c:415 [inline] vfs_read+0x565/0x5d0 fs/read_write.c:496 ksys_read+0xce/0x180 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x3e/0x50 fs/read_write.c:642 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88812fecc5ec of 4 bytes by task 4627 on cpu 1: tty_throttle_safe+0x53/0xd0 drivers/tty/tty_ioctl.c:163 n_tty_check_throttle drivers/tty/n_tty.c:264 [inline] n_tty_receive_buf_common+0x1dca/0x1e20 drivers/tty/n_tty.c:1759 n_tty_receive_buf2+0x2e/0x40 drivers/tty/n_tty.c:1775 tty_ldisc_receive_buf+0x5b/0xf0 drivers/tty/tty_buffer.c:461 paste_selection+0x250/0x340 drivers/tty/vt/selection.c:408 tioclinux+0xe5/0x450 drivers/tty/vt/vt.c:3164 vt_ioctl+0x26e/0x1ed0 drivers/tty/vt/vt_ioctl.c:723 tty_ioctl+0xa24/0x1120 drivers/tty/tty_io.c:2805 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:1069 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:1055 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:1055 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4627 Comm: syz-executor.0 Not tainted 5.12.0-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 | 2021/05/09 02:43 | upstream | b741596468b0 | bc5434be | .config | console log | report | info | KCSAN: data-race in n_tty_check_unthrottle / tty_throttle_safe |