SYZFAIL: cover_unprotect invoked on an unmapped cover_t object

Status: upstream: reported on 2026/08/27 20:44
Reported-by: syzbot+37c63634bc39422ea050@syzkaller.appspotmail.com
First crash: 66d, last: now

Sample crash report:
SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
 (errno 4: Interrupted system call)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap0: SIOCIFDESTROY: Device not configured
SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap0: SIOCIFDESTROY: Device not configured
SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap0: SIOCIFDESTROY: Device not configured
SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap0: SIOCIFDESTROY: Device not configured
SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap0: SIOCIFDESTROY: Device not configured
SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap0: SIOCIFDESTROY: Device not configured
SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: failed to mkdtemp
 (errno 22: Invalid argument)
SYZFAIL: repeatedly failed to execute the program
proc=0 req=97 state=1 status=67 (errno 4: Interrupted system call)


OpenBSD/amd64 (ci-openbsd-main-1.us-central1-f.c.syzkaller.internal) (tty00)

login: set $lines = 0

OpenBSD/amd64 (ci-openbsd-main-1.us-central1-f.c.syzkaller.internal) (tty00)

login: show panic

Crashes (262771):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/11/02 05:03 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 04:37 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 04:23 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 04:08 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 03:53 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 02:54 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 01:51 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 01:39 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 01:24 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 01:05 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 00:38 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 00:22 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 23:52 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 23:39 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 23:27 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 23:10 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 22:45 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 22:28 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 22:17 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 22:03 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 21:40 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 21:26 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 20:45 openbsd 21ea132db7ea 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 20:08 openbsd 487cc9e9a631 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 19:19 openbsd 487cc9e9a631 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 19:09 openbsd 487cc9e9a631 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 18:52 openbsd 487cc9e9a631 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 07:15 openbsd 487cc9e9a631 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 04:48 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 03:38 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 03:24 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 03:08 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 02:39 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 02:31 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 02:15 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 01:59 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 00:50 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/02 00:06 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 22:55 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 22:45 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 21:52 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 21:06 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 19:51 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/11/01 19:34 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan b1b521f3695d 25a0ae84 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
2026/08/27 20:44 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan 18607adc5162 e2fa417d .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked on an unmapped cover_t object
* Struck through repros no longer work on HEAD.