syzbot


BUG: unable to handle kernel paging request in htab_map_alloc (2)
Status: fixed on 2021/03/10 01:49
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: e1868b9e36d0 bpf: Avoid overflows involving hash elem_size
First crash: 365d, last: 356d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 830382e4ccb5e5d9164fcd28854238ef5f5a1751
Author: Andrii Nakryiko <andrii@kernel.org>
Date: Fri Nov 27 03:33:36 2020 +0000

  Merge branch 'bpf: remove bpf_load loader completely'

Crash: BUG: sleeping function called from invalid context in sta_info_move_state (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: unable to handle kernel paging request in htab_map_alloc C 1 1232d 1232d 0/22 closed as invalid on 2018/09/05 12:51

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2020/12/06 04:47 net-next bcd684aace34 50503117 .config log report syz C
ci-upstream-bpf-next-kasan-gce 2020/12/06 04:21 bpf-next 34da87213d3d 50503117 .config log report syz C
ci-upstream-net-kasan-gce 2020/12/13 08:37 net-next 00f7763a26cb bca53db9 .config log report info
ci-upstream-net-kasan-gce 2020/12/10 18:23 net-next a7105e3472bf f900b48c .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/07 11:48 bpf-next 34da87213d3d 1190297f .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/06 03:39 bpf-next 34da87213d3d 50503117 .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/05 23:25 bpf-next 34da87213d3d 50503117 .config log report info
ci-upstream-bpf-next-kasan-gce 2020/12/04 20:42 bpf-next eceae70bdeae 20366b87 .config log report info