KCSAN: data-race in __se_sys_ioctl / __tty

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in __se_sys_ioctl / __tty_hangup serial	6	2	1855d	1879d	0/29	auto-closed as invalid on 2021/08/17 17:13
upstream	KCSAN: data-race in __se_sys_ioctl / __tty_hangup (4) serial	6	1	979d	978d	0/29	auto-obsoleted due to no activity on 2024/01/09 21:50
upstream	KCSAN: data-race in __se_sys_ioctl / __tty_hangup (6) serial	6	3	273d	332d	0/29	auto-obsoleted due to no activity on 2026/01/06 05:02
upstream	KCSAN: data-race in __se_sys_ioctl / __tty_hangup (7) serial	6	1	194d	194d	0/29	auto-obsoleted due to no activity on 2026/03/26 05:40
upstream	KCSAN: data-race in __se_sys_ioctl / __tty_hangup (2) serial	6	1	1800d	1800d	0/29	auto-closed as invalid on 2021/10/11 17:38
upstream	KCSAN: data-race in __se_sys_ioctl / __tty_hangup (5) serial	6	1	932d	932d	0/29	auto-obsoleted due to no activity on 2024/02/25 23:19

================================================================== BUG: KCSAN: data-race in __se_sys_ioctl / __tty_hangup write to 0xffff888103745028 of 8 bytes by task 2468 on cpu 1: __tty_hangup+0x1e2/0x510 drivers/tty/tty_io.c:622 tty_vhangup drivers/tty/tty_io.c:701 [inline] tty_ioctl+0x604/0xbc0 drivers/tty/tty_io.c:2717 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xc9/0x140 fs/ioctl.c:856 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff888103745028 of 8 bytes by task 2466 on cpu 0: vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xa3/0x140 fs/ioctl.c:856 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0xffffffff857702a8 -> 0xffffffff84e92340 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 2466 Comm: syz-executor.2 Not tainted 6.3.0-rc7-syzkaller-00060-g789b4a41c247 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 ==================================================================