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	1143d	1143d	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	1031d	1054d	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	1466d	1481d	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	525d	525d	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	756d	805d	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	901d	901d	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	50d	466d	0/29	moderation: reported on 2024/11/13 18:24
upstream	KCSAN: data-race in do_sendfile / do_sendfile (5) fs	6	3	942d	964d	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	581d	605d	0/29	auto-obsoleted due to no activity on 2024/08/25 22:44

================================================================== BUG: KCSAN: data-race in do_sendfile / do_sendfile write to 0xffff88813910f868 of 8 bytes by task 27667 on cpu 1: do_sendfile+0x717/0x910 fs/read_write.c:1264 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64 fs/read_write.c:1303 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1303 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 0xffff88813910f868 of 8 bytes by task 27683 on cpu 0: do_sendfile+0x717/0x910 fs/read_write.c:1264 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64 fs/read_write.c:1303 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1303 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: 0x0000000000000000 -> 0x00000000000a0000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 27683 Comm: syz-executor.5 Not tainted 6.0.0-rc1-syzkaller-00368-gf31c32efd57c-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 ==================================================================