syzbot


KCSAN: data-race in start_this_handle / start_this_handle
Status: upstream: reported on 2021/03/11 10:59
Reported-by: syzbot+30774a6acf6a2cf6d535@syzkaller.appspotmail.com
Fix commit: ext4: annotate data race in start_this_handle()
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 79d, last: 42d

Sample crash report:

Crashes (54):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2021/03/12 10:44 upstream f78d76e7 429d8a6b .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/11 21:15 upstream 28806e4d 429d8a6b .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/11 05:11 upstream a74e6a01 c2ca1f2a .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/10 16:38 upstream 05a59d79 764067f3 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/10 06:47 upstream 05a59d79 26967e35 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/09 17:20 upstream 144c79ef 26967e35 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/07 23:36 upstream 144c79ef 09fbf400 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/07 08:36 upstream a38fd874 c599ed12 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/06 07:25 upstream a38fd874 e4b4d570 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/05 18:17 upstream 280d542f 4a024a9b .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/05 04:01 upstream cee407c5 f89ed068 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/04 14:38 upstream f69d02e3 d7e4e604 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/03/03 23:54 upstream f69d02e3 06ed56cd .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/24 06:44 upstream c03c21ba fcc6d71b .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/23 17:36 upstream 3b9cdafb fcc6d71b .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/23 10:01 upstream b12b4724 fcc6d71b .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/22 16:57 upstream 31caf8b2 c26fb06b .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/21 18:48 upstream 55f62bc8 a659b3f1 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/21 04:50 upstream e767b353 3e5ed8b4 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/21 04:49 upstream e767b353 3e5ed8b4 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/20 10:23 upstream f40ddce8 3e5ed8b4 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/19 15:50 upstream f40ddce8 f689d40a .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/17 19:34 upstream f40ddce8 14052202 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/17 06:59 upstream f40ddce8 052f8d9f .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/15 01:45 upstream f40ddce8 98682e5e .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/14 12:06 upstream 358fecee 98682e5e .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/13 22:28 upstream ac30d8ce 98682e5e .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/13 09:10 upstream c6d8570e 98682e5e .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/12 19:39 upstream dcc0b490 98682e5e .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/12 07:44 upstream dcc0b490 a5f86b15 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/11 18:14 upstream 291009f6 a5f86b15 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/10 21:59 upstream 291009f6 a52ee10a .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/10 08:20 upstream e0756cfc 9c8b8541 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/08 21:45 upstream e0756cfc 2bd9619f .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/08 11:54 upstream 92bf2261 2ce644fc .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/08 11:53 upstream 92bf2261 2ce644fc .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/07 22:06 upstream b75dba7f 2ce644fc .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/07 08:35 upstream 825b5991 2ce644fc .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/07 08:33 upstream 825b5991 2ce644fc .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/06 23:37 upstream 964d069f 0655e081 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/06 14:44 upstream 1e0d27fc 0655e081 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/06 14:43 upstream 1e0d27fc 0655e081 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/06 12:32 upstream 1e0d27fc 0655e081 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/06 12:32 upstream 1e0d27fc 0655e081 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/06 12:31 upstream 1e0d27fc 0655e081 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/06 03:15 upstream 1e0d27fc 23a562df .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/05 13:23 upstream dd86e7fa 23a562df .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/05 01:52 upstream 5c279c4c 23a562df .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/05 01:51 upstream 5c279c4c 23a562df .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/04 10:49 upstream 61556703 42b90a7c .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/03 20:53 upstream 3afe9076 624dad51 .config log report info KCSAN: data-race in start_this_handle / start_this_handle
ci2-upstream-kcsan-gce 2021/02/02 23:34 upstream 3aaf0a27 624dad51 .config log report info KCSAN: data-race in start_this_handle / start_this_handle