syzbot


SYZFAIL: SIGSEGV (2)

Status: upstream: reported on 2025/11/20 13:28
Reported-by: syzbot+464d339e42bc02a7c0d0@syzkaller.appspotmail.com
First crash: 77d, last: 46d
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd SYZFAIL: SIGSEGV -1 10 515d 574d 0/3 auto-obsoleted due to no activity on 2024/12/07 12:41

Sample crash report:
SYZFAIL: SIGSEGV
pc-offset:0xa5c36435dc1 pc:0xdeadbeef addr:0x0 code=1 (errno 35: Resource temporarily unavailable)
syz-executor(74559) in calloc(): recursive call



OpenBSD/amd64 (=q) (tty00)

login: set $lines = 0
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: show panic
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknuvn_flush: obj=0xfffffd806eca2cd8, offset=0x3ff000.  error during pageout.
Abort trap (core dumped) 
uvn_flush: WARNING: changes to page may be lost!
own char in MALLOC_OPTIONS
Password:
Login incorrect
login: show registers
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: ps
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
show malloc
login: malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
machine ddbcpu 0
login: malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
machine ddbcpu 1
login: malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:

Crashes (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/21 19:06 openbsd 83a64bde9847 e14dbeb9 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: SIGSEGV
2025/12/12 22:27 openbsd ba79eea579e1 a066d2bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: SIGSEGV
2025/12/09 22:49 openbsd 9bea02201100 fc20f974 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: SIGSEGV
2025/12/02 03:08 openbsd 6cbdb9457802 d4611817 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: SIGSEGV
2025/11/29 05:28 openbsd f9d861d10df2 01c07bfe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: SIGSEGV
2025/11/27 06:36 openbsd 6302f867eaf5 e8331348 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: SIGSEGV
2025/11/25 06:06 openbsd 58395e5de74c 64219f15 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: SIGSEGV
2025/11/22 21:17 openbsd d9c8e9704ea3 4fb8ef37 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: SIGSEGV
2025/11/20 13:27 openbsd 5aa51b7bb462 2cc4c24a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: SIGSEGV
* Struck through repros no longer work on HEAD.