syzbot


KASAN: use-after-free Read in icmpv6_sk_exit (2)
Status: upstream: reported syz repro on 2021/10/06 07:32
Reported-by: syzbot+497d3e91eb557f7dc0aa@syzkaller.appspotmail.com
First crash: 178d, last: 64d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in icmpv6_sk_exit 2 976d 979d 0/22 closed as invalid on 2019/06/14 19:45
upstream general protection fault in icmpv6_sk_exit 1 345d 345d 0/22 auto-closed as invalid on 2021/05/18 21:13
Patch testing requests:
Created Duration User Patch Repo Result
2021/11/22 09:55 16m phind.uet@gmail.com linux-next OK
2021/10/17 06:35 16m phind.uet@gmail.com linux-next OK

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/10/05 05:34 upstream 84b3e42564ac ce697b49 .config log report syz general protection fault in icmpv6_sk_exit
ci-upstream-kasan-gce-root 2021/11/25 08:32 upstream 5f53fa508db0 545ab074 .config log report info KASAN: use-after-free Read in icmpv6_sk_exit
ci-upstream-kasan-gce-root 2021/08/03 20:30 upstream d5ad8ec3cfb5 6c236867 .config log report info KASAN: use-after-free Read in icmpv6_sk_exit
ci-upstream-net-kasan-gce 2021/11/21 00:47 net-next 520fbdf7fb19 4eb20a4e .config log report info KASAN: use-after-free Read in icmpv6_sk_exit