syzbot


INFO: task hung in __drain_all_pages (2)
Status: upstream: reported C repro on 2021/08/03 03:35
Reported-by: syzbot+ef4bb06ce1e14f09f852@syzkaller.appspotmail.com
First crash: 132d, last: 26d

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 024cd2cbd1ca2d29e6df538855d52c4e5990cab7
Author: Santucci Pierpaolo <santucci@epigenesys.com>
Date: Mon Nov 16 10:30:37 2020 +0000

  selftest/bpf: Fix IPV6FR handling in flow dissector

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 INFO: task hung in __drain_all_pages 1 281d 281d 0/22 auto-closed as invalid on 2021/04/16 01:44

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/09/28 04:24 upstream 0513e464f900 c585c7b0 .config log report syz C
ci-upstream-kasan-gce-root 2021/08/29 03:55 upstream 3f5ad13cb012 c585c7b0 .config log report syz C
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/07/30 03:27 upstream 7e96bf476270 c585c7b0 .config log report syz C INFO: task hung in __drain_all_pages
ci-upstream-bpf-next-kasan-gce 2021/06/14 12:46 bpf-next ca16b429f39b 1ba81399 .config log report info INFO: task hung in __drain_all_pages