syzbot


SYZFAIL: cover mmap failed

Status: upstream: reported on 2026/03/25 00:42
Reported-by: syzbot+0e1506da46f41042f9e1@syzkaller.appspotmail.com
First crash: 5d11h, last: 15h05m

Sample crash report:
SYZFAIL: cover mmap failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: Undefined error: 0)
ifconfig: tap6: SIOCIFDESTROY: Device not configured
SYZFAIL: failed to mkdir
 (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=6 req=165 state=1 status=67 (errno 4: Interrupted system call)
uvn_flush: obj=0xfffffd8074965a58, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/03/29 21:30 openbsd 7ab78e8bd090 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover mmap failed
2026/03/29 20:14 openbsd 7ab78e8bd090 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover mmap failed
2026/03/29 00:15 openbsd b39c1312a589 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover mmap failed
2026/03/28 21:43 openbsd cc88cbeddb7d 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover mmap failed
2026/03/28 13:09 openbsd 9d790fdba930 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover mmap failed
2026/03/28 09:14 openbsd 9d790fdba930 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover mmap failed
2026/03/28 08:42 openbsd 9d790fdba930 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover mmap failed
2026/03/27 14:26 openbsd 2f434a4256f3 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover mmap failed
2026/03/27 12:17 openbsd 2f434a4256f3 4b3d9a38 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover mmap failed
2026/03/25 22:05 openbsd ee1bf64f5bae 4367a094 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover mmap failed
2026/03/25 08:19 openbsd 87dc1fa97379 35e4ff71 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover mmap failed
2026/03/25 00:47 openbsd 87dc1fa97379 35e4ff71 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: cover mmap failed
2026/03/25 00:41 openbsd 87dc1fa97379 35e4ff71 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: cover mmap failed
* Struck through repros no longer work on HEAD.