syzbot


kernel BUG at fs/ext4/inline.c:LINE!
Status: upstream: reported syz repro on 2020/10/14 12:01
Reported-by: syzbot+4faa160fa96bfba639f8@syzkaller.appspotmail.com
First crash: 382d, last: 8d09h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: kernel BUG at fs/ext4/inline.c:LINE! (log)
Repro: syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG in ext4_write_inline_data_end syz error 1 226d 256d 0/1 upstream: reported syz repro on 2021/02/14 13:39
linux-4.14 kernel BUG in ext4_write_inline_data_end C 1 31d 181d 0/1 upstream: reported C repro on 2021/04/30 02:18

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-smack-root 2021/10/20 04:50 upstream d9abdee5fd5a 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/09/20 04:19 upstream e4e737bb5c17 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/08/21 03:46 upstream fa54d366a6e4 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/07/12 06:37 upstream e73f0f0ee754 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/06/12 05:42 upstream ad347abe4a98 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/05/13 05:10 upstream c06a2ba62fc4 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/04/12 15:11 upstream d434405aaab7 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/03/12 04:47 upstream f78d76e72a46 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/01/17 22:21 upstream e2da783614bb 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/18 21:12 upstream a087241716a6 4a77ae0b .config log report syz
ci-upstream-kasan-gce-smack-root 2020/11/09 21:31 upstream 3552c3709c0e 4a77ae0b .config log report syz
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/10/10 21:03 upstream 6f2f486d57c4 4a77ae0b .config log report syz