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================================================================== BUG: KCSAN: data-race in d_alloc_parallel / d_set_d_op write to 0xffff88813ea64000 of 4 bytes by task 5036 on cpu 1: d_set_d_op+0x10f/0x220 fs/dcache.c:1931 proc_ns_instantiate fs/proc/namespaces.c:114 [inline] proc_ns_dir_lookup+0x186/0x220 fs/proc/namespaces.c:172 lookup_open fs/namei.c:3308 [inline] open_last_lookups fs/namei.c:3400 [inline] path_openat+0xb27/0x1f30 fs/namei.c:3606 do_filp_open+0x105/0x220 fs/namei.c:3636 do_sys_openat2+0xb5/0x2b0 fs/open.c:1214 do_sys_open fs/open.c:1230 [inline] __do_sys_openat fs/open.c:1246 [inline] __se_sys_openat fs/open.c:1241 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88813ea64000 of 4 bytes by task 5037 on cpu 0: d_in_lookup include/linux/dcache.h:356 [inline] d_wait_lookup fs/dcache.c:2581 [inline] d_alloc_parallel+0x669/0xd00 fs/dcache.c:2669 lookup_open fs/namei.c:3254 [inline] open_last_lookups fs/namei.c:3400 [inline] path_openat+0x687/0x1f30 fs/namei.c:3606 do_filp_open+0x105/0x220 fs/namei.c:3636 do_sys_openat2+0xb5/0x2b0 fs/open.c:1214 do_sys_open fs/open.c:1230 [inline] __do_sys_openat fs/open.c:1246 [inline] __se_sys_openat fs/open.c:1241 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x10000000 -> 0x1000000c Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5037 Comm: syz-executor.2 Not tainted 5.17.0-syzkaller-00192-geaa54b1458ca-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/03/22 06:37 | upstream | eaa54b1458ca | e2d91b1d | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | |||
2022/02/17 18:23 | upstream | f71077a4d84b | 2bea8a27 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op | |||
2022/02/04 02:06 | upstream | c36c04c2e132 | 30646bfe | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in d_alloc_parallel / d_set_d_op |