panic: cap_rights_is_vset:LINE (2)

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: e1c624c9 scsi_cd: whitespace cleanup
git tree: freebsd
console output: https://syzkaller.appspot.com/x/log.txt?x=10d5cb7e600000
dashboard link: https://syzkaller.appspot.com/bug?extid=e0c3f3a49ec45b6ec9c8

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e0c3f3...@syzkaller.appspotmail.com

panic: cap_rights_is_vset:243
cpuid = 1
time = 1567075972
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame
0xfffffe001fa95690
vpanic() at vpanic+0x1e0/frame 0xfffffe001fa956f0
panic() at panic+0x43/frame 0xfffffe001fa95750
__cap_rights_is_set() at __cap_rights_is_set+0x22d/frame 0xfffffe001fa957e0
cap_rights_to_vmprot() at cap_rights_to_vmprot+0x2b/frame 0xfffffe001fa95810
fget_mmap() at fget_mmap+0x250/frame 0xfffffe001fa95890
kern_mmap() at kern_mmap+0x9b0/frame 0xfffffe001fa95950
sys_mmap() at sys_mmap+0x38/frame 0xfffffe001fa95980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe001fa95ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe001fa95ab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x41328a, rsp =
0x7fffdffbbf38, rbp = 0x6 ---
KDB: enter: panic
[ thread pid 15716 tid 101106 ]
Stopped at kdb_enter+0x6a: movq $0,kdb_why


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.