SYZFAIL: tun: read failed (3)

Status: auto-closed as invalid on 2022/06/05 15:58
Reported-by: syzbot+7ccf4a3e09df556dc03c@syzkaller.appspotmail.com
First crash: 1623d, last: 1623d
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: tun: read failed (4) -1 13755 203d 253d 0/2 auto-obsoleted due to no activity on 2026/03/16 20:26
freebsd SYZFAIL: tun: read failed -1 syz 1040 1921d 2002d 0/2 closed as invalid on 2021/05/14 14:10
freebsd SYZFAIL: tun: read failed (2) -1 19 1755d 1788d 0/2 auto-closed as invalid on 2022/01/25 09:19

Sample crash report:
SYZFAIL: tun: read failed
 (errno 93: Capabilities insufficient)
SYZFAIL: child failed
 (errno 0: No error: 0)
if_delmulti_locked: detaching ifnet instance 0xfffffe000819a000
if_delmulti_locked: detaching ifnet instance 0xfffffe000819a000
if_delmulti_locked: detaching ifnet instance 0xfffffe000819a000
if_delmulti_locked: detaching ifnet instance 0xfffffe000819b800
if_delmulti_locked: detaching ifnet instance 0xfffffe000819b800
if_delmulti_locked: detaching ifnet instance 0xfffffe000819b800
Mar  7 15:57:21 ci-freebsd-i386-
FreeBSD/amd64 (ci-freebsd-i386-1.c.syzkaller.internal) (ttyu0)

login: Mar  7 15:57:21 ci-freebsd-i386-1 dhclient[1534]: connection closed
Mar  7 15:57:21 ci-freebsd-i386-1 dhclient[1534]: exiting.

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/07 15:57 freebsd-src e031614d5928 7c337266 console log report ci-freebsd-i386 SYZFAIL: tun: read failed
* Struck through repros no longer work on HEAD.