syzbot


panic: Bad link elm ADDR next->prev != elm

Status: auto-closed as invalid on 2019/10/25 08:44
Reported-by: syzbot+b41634063c085e178b15@syzkaller.appspotmail.com
First crash: 1811d, last: 1794d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: Bad link elm ADDR next->prev != elm (3) C 97 960d 1382d 0/2 closed as dup on 2021/09/07 22:53
freebsd panic: Bad link elm ADDR next->prev != elm (2) 1 1545d 1545d 0/2 auto-closed as invalid on 2020/04/22 16:29

Sample crash report:
panic: Bad link elm 0xfffff80003465400 next->prev != elm
cpuid = 0
time = 110
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00268c2480
vpanic() at vpanic+0x1e0/frame 0xfffffe00268c24e0
panic() at panic+0x43/frame 0xfffffe00268c2540
authunix_create() at authunix_create+0x84a/frame 0xfffffe00268c2800
sys_nlm_syscall() at sys_nlm_syscall+0xed/frame 0xfffffe00268c2980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe00268c2ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00268c2ab0
--- syscall (154, FreeBSD ELF64, sys_nlm_syscall), rip = 0x2000000d, rsp = 0x7fffdfffdeb8, rbp = 0xa ---
KDB: enter: panic
[ thread pid 4523 tid 101169 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why

Crashes (11):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/05/20 07:25 freebsd e2abb7b27ea6 40046286 console log report ci-freebsd-main
2019/05/17 02:36 freebsd 43a8682d315a 7fb690f3 console log report ci-freebsd-main
2019/05/16 05:09 freebsd dfdde018eb57 27b25dbc console log report ci-freebsd-main
2019/05/10 20:58 freebsd fbc304aae0ef 46caad94 console log report ci-freebsd-main
2019/05/06 04:38 freebsd 09419c83ec8b d28f4ce5 console log report ci-freebsd-main
2019/05/05 14:01 freebsd 0d62ce242897 d28f4ce5 console log report ci-freebsd-main
2019/05/05 00:11 freebsd 58510286a032 d28f4ce5 console log report ci-freebsd-main
2019/05/04 10:22 freebsd 5f0d81e4be5a d28f4ce5 console log report ci-freebsd-main
2019/05/03 10:24 freebsd 8bebf2c3297f 1bfa09b9 console log report ci-freebsd-main
2019/05/03 03:06 freebsd 919ff78e6ceb e9039493 console log report ci-freebsd-main
2019/05/03 01:07 freebsd 919ff78e6ceb e9039493 console log report ci-freebsd-main
* Struck through repros no longer work on HEAD.