KCSAN: data-race in do_sendfile / do

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in do_sendfile / do_sendfile (3) fs	6	1	985d	985d	0/29	auto-obsoleted due to no activity on 2023/03/17 22:50
upstream	KCSAN: data-race in do_sendfile / do_sendfile (4) fs	6	4	874d	897d	0/29	auto-obsoleted due to no activity on 2023/06/02 10:13
upstream	KCSAN: data-race in do_sendfile / do_sendfile fs	6	2	1308d	1324d	0/29	auto-closed as invalid on 2022/03/24 16:27
upstream	KCSAN: data-race in do_sendfile / do_sendfile (7) fs	6	5	598d	647d	0/29	auto-obsoleted due to no activity on 2024/03/03 18:17
upstream	KCSAN: data-race in do_sendfile / do_sendfile (6) fs	6	1	744d	744d	0/29	auto-obsoleted due to no activity on 2023/10/10 12:26
upstream	KCSAN: data-race in do_sendfile / do_sendfile (10) fs	6	17	26d	308d	0/29	moderation: reported on 2024/11/13 18:24
upstream	KCSAN: data-race in do_sendfile / do_sendfile (5) fs	6	3	784d	806d	0/29	auto-obsoleted due to no activity on 2023/08/30 17:21
upstream	KCSAN: data-race in do_sendfile / do_sendfile (8) fs	6	2	423d	447d	0/29	auto-obsoleted due to no activity on 2024/08/25 22:44
upstream	KCSAN: data-race in do_sendfile / do_sendfile (2) fs	6	1	1124d	1124d	0/29	auto-closed as invalid on 2022/09/24 23:59

================================================================== BUG: KCSAN: data-race in do_sendfile / do_sendfile write to 0xffff888104202340 of 8 bytes by task 20670 on cpu 1: do_sendfile+0x76d/0x950 __do_sys_sendfile64 fs/read_write.c:1362 [inline] __se_sys_sendfile64 fs/read_write.c:1348 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1348 x64_sys_call+0xed5/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff888104202340 of 8 bytes by task 20667 on cpu 0: do_sendfile+0x76d/0x950 __do_sys_sendfile64 fs/read_write.c:1362 [inline] __se_sys_sendfile64 fs/read_write.c:1348 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1348 x64_sys_call+0xed5/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000000000000 -> 0x0000000000007fdc Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 20667 Comm: syz.1.5430 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ==================================================================

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/09/15 07:45	upstream	0babf683783d	08d8a733	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in do_sendfile / do_sendfile

Crashes (1):

Assets (help?)