syzbot


WARNING in qp_broker_alloc
Status: fixed on 2021/04/09 19:46
Reported-by: syzbot+15ec7391f3d6a1a7cc7d@syzkaller.appspotmail.com
Fix commit: 2fd10bcf0310 drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
First crash: 324d, last: 284d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING in qp_host_alloc_queue C inconclusive 108 283d 329d 0/22 closed as dup on 2021/02/04 11:41
Patch testing requests:
Created Duration User Patch Repo Result
2021/02/09 10:05 18m snovitoll@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/56/8356/1 OK
2021/02/04 10:49 18m snovitoll@gmail.com https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/76/8076/1 OK

Sample crash report:

Crashes (24):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/01/15 01:54 upstream 65f0d2414b70 65a7a854 .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/02/23 13:32 upstream a99163e9e708 c26fb06b .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/21 12:07 upstream e767b3530acb 3e5ed8b4 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/21 12:07 upstream e767b3530acb 3e5ed8b4 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/16 00:03 upstream f40ddce88593 98682e5e .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/10 23:54 upstream 291009f656e8 a52ee10a .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/10 23:54 upstream 291009f656e8 a52ee10a .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/07 04:46 upstream 964d069f93c4 0655e081 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/04 01:04 upstream 3afe9076a7c1 624dad51 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/02 00:28 upstream 1048ba83fb1c e6b95f32 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/02 00:20 upstream 1048ba83fb1c e6b95f32 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/01 23:31 upstream 1048ba83fb1c e6b95f32 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/01 23:31 upstream 1048ba83fb1c e6b95f32 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/01 23:27 upstream 1048ba83fb1c e6b95f32 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/02/01 23:27 upstream 1048ba83fb1c e6b95f32 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/29 15:25 upstream bec4c2968fce 6593fd32 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/24 07:29 upstream e1ae4b0be158 52e37319 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/23 17:00 upstream fe75a21824e7 52e37319 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/23 06:27 upstream 83d09ad4b950 4080af96 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/19 10:38 upstream 1e2a199f6ccd 63631df1 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/19 10:23 upstream 1e2a199f6ccd 63631df1 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/19 10:23 upstream 1e2a199f6ccd 63631df1 .config log report info WARNING in qp_broker_alloc
ci-upstream-kasan-gce-smack-root 2021/01/17 05:57 upstream 0da0a8a0a0e1 65a7a854 .config log report info
ci-upstream-kasan-gce-smack-root 2021/01/15 01:38 upstream 65f0d2414b70 65a7a854 .config log report info