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multicore build error (6)
Status: fixed on 2020/08/02 07:38
Reported-by: syzbot+1fdb75dfbcbcbabdbb2b@syzkaller.appspotmail.com
Fix commit: Revert r1.170. dlg and jmatthew simultaneously fixed this the correct way.
First crash: 676d, last: 663d
similar bugs (14):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd multicore build error (8) 88 580d 585d 3/3 fixed on 2020/10/21 09:01
openbsd multicore build error (4) 2 1111d 1111d 0/3 closed as invalid on 2019/06/02 07:29
openbsd multicore build error (13) 3 242d 242d 3/3 fixed on 2021/09/26 20:38
openbsd multicore build error (2) 10 1136d 1137d 0/3 closed as invalid on 2019/04/14 09:55
openbsd multicore build error (5) 4 769d 769d 3/3 fixed on 2020/04/15 12:21
openbsd multicore build error (7) 5 618d 618d 3/3 fixed on 2020/09/15 08:22
openbsd multicore build error (15) 6 19d 19d 3/3 fixed on 2022/05/05 21:27
openbsd multicore build error (3) 4 1113d 1113d 3/3 fixed on 2019/05/07 19:17
openbsd multicore build error (9) 1 579d 579d 0/3 closed as invalid on 2020/10/23 06:08
openbsd multicore build error (12) 1 447d 447d 0/3 auto-closed as invalid on 2021/06/01 09:39
openbsd multicore build error (14) 58 155d 157d 0/3 closed as invalid on 2021/12/21 07:17
openbsd multicore build error (10) 2 486d 559d 0/3 closed as invalid on 2021/01/30 07:24
openbsd multicore build error 26 1146d 1147d 0/3 closed as invalid on 2019/04/04 14:04
openbsd multicore build error (11) 2 454d 454d 0/3 closed as invalid on 2021/02/25 05:21

Sample crash report:
failed to run ["/bin/sh" "-c" "set -eux\nOVERLAY=\"/syzkaller/userspace-multicore/overlay\"\n# Cleanup in case something failed before.\ndoas umount /altroot || true\ndoas vnconfig -u vnd0 || true\n\ndoas /sbin/vnconfig vnd0 image\ndoas mount /dev/vnd0a /altroot\ndoas cp kernel /altroot/bsd\ntest -d \"$OVERLAY\" && doas cp -Rf \"$OVERLAY\"/. /altroot\ndoas umount /altroot\ndoas vnconfig -u vnd0\n"]: exit status 1

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-openbsd-multicore 2020/07/30 06:19 openbsd 31f29d64e9f9 233283a1 .config log report
ci-openbsd-multicore 2020/07/29 07:17 openbsd 511c53b12928 19a8de55 .config log report
ci-openbsd-setuid 2020/07/17 09:06 openbsd 2405a0d345f8 54b3c45e .config log report
ci-openbsd-multicore 2020/07/17 08:46 openbsd 2405a0d345f8 54b3c45e .config log report