syzbot


BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
Status: upstream: reported C repro on 2021/11/01 12:51
Reported-by: syzbot+cd20829ac44b92bf6ed0@syzkaller.appspotmail.com
Fix commit: a22c00be90de block: assign correct tag before doing prefetch of request
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte 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-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64]
First crash: 39d, last: 27d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 7c5835a8640c8eaae0d6059d0ad185da6b946945
Author: Jens Axboe <axboe@kernel.dk>
Date: Wed Oct 27 03:01:55 2021 +0000

  Merge branch 'for-5.16/scsi-ma' into for-next

Crash: no output from test machine (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/11/01 12:58 16m axboe@kernel.dk git://git.kernel.dk/linux-block for-next OK

Sample crash report:

Crashes (107):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/10/29 02:58 linux-next 503f375baa99 be531bb4 .config log report syz C BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/10/29 02:53 linux-next 503f375baa99 be531bb4 .config log report syz C BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/10/28 15:53 linux-next 503f375baa99 be531bb4 .config log report syz BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/10/28 15:42 linux-next 503f375baa99 be531bb4 .config log report syz BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/09 22:07 upstream d2f38a3c6507 59bcaf9a .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/09 16:00 upstream d2f38a3c6507 59bcaf9a .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/09 12:13 upstream e851dfae4371 8ab17e57 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-qemu-upstream 2021/11/09 08:34 upstream e851dfae4371 8ab17e57 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/09 07:15 upstream e851dfae4371 8ab17e57 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/09 00:28 upstream e851dfae4371 8ab17e57 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/08 10:37 upstream 6b75d88fa81b 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/08 09:13 upstream 6b75d88fa81b 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/07 10:01 upstream 512b7931ad05 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/06 18:51 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/06 15:15 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/06 13:53 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/06 09:38 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/06 05:59 upstream fe91c4725aee 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/05 16:40 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/05 15:03 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/05 13:00 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/05 11:23 upstream d4439a1189f9 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/05 01:31 upstream 7ddb58cb0eca 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/04 13:16 upstream ce840177930f 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/03 19:01 upstream dcd68326d29b 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/03 16:25 upstream dcd68326d29b 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/03 03:46 upstream cc0356d6a02e 17f3edd2 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/03 03:00 upstream bfc484fe6abb 17f3edd2 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/02 07:57 upstream d2fac0afe89f 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/02 02:47 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/01 23:45 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/01 23:44 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/01 23:41 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/01 23:35 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/01 23:34 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/01 23:33 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce-selinux-root 2021/11/01 23:33 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/01 23:02 upstream e66435936756 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/11/06 23:06 linux-next 6a37ebbe07bf 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/11/06 02:53 linux-next 6a37ebbe07bf 4c1be0be .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/11/02 04:31 linux-next bdcc9f6a5682 098b5d53 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/10/28 12:47 linux-next 503f375baa99 be531bb4 .config log report info BUG: unable to handle kernel paging request in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/09 01:53 upstream e851dfae4371 8ab17e57 .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/08 19:08 upstream e851dfae4371 d29682f1 .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/08 14:49 upstream 6b75d88fa81b d29682f1 .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/08 06:47 upstream 6b75d88fa81b 4c1be0be .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/07 18:32 upstream b5013d084e03 4c1be0be .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/06 10:52 upstream fe91c4725aee 4c1be0be .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/05 03:02 upstream 7ddb58cb0eca 4c1be0be .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/02 16:01 upstream d2fac0afe89f 098b5d53 .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce-root 2021/11/02 05:41 upstream d2fac0afe89f 098b5d53 .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/02 00:57 upstream e66435936756 098b5d53 .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-kasan-gce 2021/11/01 23:51 upstream e66435936756 098b5d53 .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/11/07 23:40 linux-next 6a37ebbe07bf 4c1be0be .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/11/07 22:33 linux-next 6a37ebbe07bf 4c1be0be .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests
ci-upstream-linux-next-kasan-gce-root 2021/11/06 12:05 linux-next 6a37ebbe07bf 4c1be0be .config log report info KASAN: use-after-free Read in __blk_mq_alloc_requests