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	1235d	1235d	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	1124d	1147d	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	1559d	1574d	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	618d	618d	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	848d	897d	0/29	auto-obsoleted due to no activity on 2024/03/03 18:17
upstream	KCSAN: data-race in do_sendfile / do_sendfile (10) fs	6	26	142d	558d	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	1035d	1056d	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	673d	697d	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	1374d	1374d	0/29	auto-closed as invalid on 2022/09/24 23:59

================================================================== BUG: KCSAN: data-race in do_sendfile / do_sendfile write to 0xffff888140ab8e40 of 8 bytes by task 4831 on cpu 0: do_sendfile+0x79d/0x9a0 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308 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 write to 0xffff888140ab8e40 of 8 bytes by task 4832 on cpu 1: do_sendfile+0x79d/0x9a0 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308 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: 0x0000000000000000 -> 0x0000000000003000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4832 Comm: syz-executor.5 Not tainted 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 ==================================================================