panic: pledge_namei: ni_pledge (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 52d5bc939dc8 Rename single_thread_check() to proc_suspend_..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=16a253df980000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=a8229b7ddd62e3a50eea

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/7e04cdcf09a8/disk-52d5bc93.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/833346adac6b/bsd-52d5bc93.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4fb01da2bd6f/kernel-52d5bc93.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a8229b...@syzkaller.appspotmail.com

login: panic: pledge_namei: ni_pledge
Starting stack trace...
panic(ffffffff830cf605) at panic+0x1d0 sys/kern/subr_prf.c:229
pledge_namei(ffff80002a4f3218,ffff80003c63e698,ffff80002a3e5c00) at pledge_namei+0xb59 sys/kern/kern_pledge.c:599
namei(ffff80003c63e698) at namei+0x424 sys/kern/vfs_lookup.c:202
vn_open(ffff80003c63e698,a,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140
sys_acct(ffff80002a4f3218,ffff80003c63e870,ffff80003c63e7c0) at sys_acct+0xb9 sys/kern/kern_acct.c:121
syscall(ffff80003c63e870) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c63e870) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xf902fdfa210, count: 250
End of stack trace.


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