KCSAN: data-race in do_sendfile / do

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in do_sendfile / do_sendfile (4) fs	6	4	1042d	1066d	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	1477d	1492d	0/29	auto-closed as invalid on 2022/03/24 16:27
upstream	KCSAN: data-race in do_sendfile / do_sendfile (9) fs	6	1	537d	537d	0/29	auto-obsoleted due to no activity on 2024/10/20 07:46
upstream	KCSAN: data-race in do_sendfile / do_sendfile (7) fs	6	5	767d	816d	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	912d	912d	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	26	61d	477d	0/29	auto-obsoleted due to no activity on 2026/03/01 02:25
upstream	KCSAN: data-race in do_sendfile / do_sendfile (5) fs	6	3	953d	975d	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	592d	616d	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	1293d	1293d	0/29	auto-closed as invalid on 2022/09/24 23:59

================================================================== BUG: KCSAN: data-race in do_sendfile / do_sendfile write to 0xffff888103962c68 of 8 bytes by task 6074 on cpu 1: do_sendfile+0x745/0x910 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd write to 0xffff888103962c68 of 8 bytes by task 6075 on cpu 0: do_sendfile+0x745/0x910 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000000ffffc0 -> 0x00000000009bd000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 6075 Comm: syz-executor.2 Tainted: G W 6.2.0-rc2-syzkaller-00203-g1f5abbd77e2c-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================