Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __tty_hangup / vfs_read (2) serial | 1 | 516d | 516d | 0/26 | auto-obsoleted due to no activity on 2023/01/02 14:24 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __tty_hangup / vfs_read (2) serial | 1 | 516d | 516d | 0/26 | auto-obsoleted due to no activity on 2023/01/02 14:24 |
================================================================== BUG: KCSAN: data-race in __tty_hangup / vfs_read write to 0xffff88813d424828 of 8 bytes by task 10305 on cpu 1: __tty_hangup+0x247/0x650 drivers/tty/tty_io.c:630 tty_vhangup+0x13/0x20 drivers/tty/tty_io.c:711 pty_close+0x27b/0x2a0 drivers/tty/pty.c:79 tty_release+0x255/0xa10 drivers/tty/tty_io.c:1771 __fput+0x295/0x520 fs/file_table.c:280 ____fput+0x11/0x20 fs/file_table.c:313 task_work_run+0xae/0x130 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x156/0x190 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:300 do_syscall_64+0x50/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88813d424828 of 8 bytes by task 10335 on cpu 0: vfs_read+0x1b6/0x750 fs/read_write.c:482 ksys_read+0xd9/0x190 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x3e/0x50 fs/read_write.c:631 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0xffffffff8308b4d8 -> 0xffffffff8308b3d8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 10335 Comm: syz-executor.4 Not tainted 5.15.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/10/09 08:03 | upstream | 741668ef7832 | efe0f24d | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __tty_hangup / vfs_read |