Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH] tty: tty_io: remove hung_up_tty_fops | 13 (13) | 2024/04/27 06:20 |
[syzbot] [kernel?] KCSAN: data-race in __fput / __tty_hangup (4) | 14 (15) | 2023/04/25 22:09 |
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Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH] tty: tty_io: remove hung_up_tty_fops | 13 (13) | 2024/04/27 06:20 |
[syzbot] [kernel?] KCSAN: data-race in __fput / __tty_hangup (4) | 14 (15) | 2023/04/25 22:09 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __fput / __tty_hangup (3) serial | 2 | 648d | 666d | 0/26 | auto-closed as invalid on 2022/08/23 04:41 | |||
upstream | KCSAN: data-race in __fput / __tty_hangup (2) serial | 1 | 703d | 703d | 0/26 | auto-closed as invalid on 2022/06/29 01:31 | |||
upstream | KCSAN: data-race in __fput / __tty_hangup serial | 1 | 1370d | 1370d | 0/26 | auto-closed as invalid on 2020/08/31 10:07 |
================================================================== BUG: KCSAN: data-race in __fput / __tty_hangup write to 0xffff88814bf0d4b0 of 8 bytes by task 15288 on cpu 1: __tty_hangup+0x1e8/0x530 drivers/tty/tty_io.c:621 tty_vhangup+0x17/0x20 drivers/tty/tty_io.c:700 pty_close+0x262/0x280 drivers/tty/pty.c:79 tty_release+0x204/0x930 drivers/tty/tty_io.c:1760 __fput+0x299/0x630 fs/file_table.c:376 ____fput+0x15/0x20 fs/file_table.c:404 task_work_run+0x135/0x1a0 kernel/task_work.c:180 get_signal+0xf04/0x10a0 kernel/signal.c:2669 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:105 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline] syscall_exit_to_user_mode+0x58/0x120 kernel/entry/common.c:212 do_syscall_64+0xda/0x1d0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff88814bf0d4b0 of 8 bytes by task 15290 on cpu 0: __fput+0x273/0x630 fs/file_table.c:375 ____fput+0x15/0x20 fs/file_table.c:404 task_work_run+0x135/0x1a0 kernel/task_work.c:180 get_signal+0xf04/0x10a0 kernel/signal.c:2669 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:105 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline] syscall_exit_to_user_mode+0x58/0x120 kernel/entry/common.c:212 do_syscall_64+0xda/0x1d0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0xffffffff850975f8 -> 0xffffffff85097490 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 15290 Comm: syz-executor.2 Not tainted 6.8.0-rc6-syzkaller-00037-g805d849d7c3c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/02/29 15:32 | upstream | 805d849d7c3c | 352ab904 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __fput / __tty_hangup | ||
2023/08/07 04:39 | upstream | f0ab9f34e59e | 4ffcc9ef | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __fput / __tty_hangup | ||
2023/03/29 08:37 | upstream | fcd476ea6a88 | fc067f05 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __fput / __tty_hangup |