Re: bin/60493: autofs does not handle chroot

["Simon J. Gerraty via gnats" <gnats-admin%NetBSD.org@localhost>]

The following reply was made to PR bin/60493; it has been noted by GNATS.

From: "Simon J. Gerraty" <sjg%crufty.net@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, sjg%crufty.net@localhost
Subject: Re: bin/60493: autofs does not handle chroot
Date: Fri, 24 Jul 2026 20:17:05 -0700

 > I put it on the initial ufs disk we boot from - no effect,
 > but perhaps it gets loaded later and thus should be on zfs /stand?
 
 Ok, so I modunload'd autofs and loaded the new one,
 when I started automountd the system panic'd
 
 WARNING: autofs_trigger_one: cv_wait_sig for /altroot/homes/ failed with e=
 rror -3
 uvm_fault(0xffffffff81913520, 0xfffffffffffff000, 2) -> e
 fatal page fault in supervisor mode
 trap type 6 code 0x2 rip 0xffffffff80d7bfdb cs 0x8 rflags 0x10202 cr2 0xff=
 fffffffffffff9 ilevel 0 rsp 0xffffa5814efa8b50
 curlwp 0xffff955182d86000 pid 2607.2607 lowest kstack 0xffffa5814efa42c0
 panic: trap
 cpu0: Begin traceback...
 vpanic() at netbsd:vpanic+0x171
 panic() at netbsd:panic+0x3c
 trap() at netbsd:trap+0xb32
 --- trap (number 6) ---
 cache_revlookup() at netbsd:cache_revlookup+0x286
 getcwd_common() at netbsd:getcwd_common+0xe4
 autofs_ioctl() at autofs:autofs_ioctl+0xe9
 cdev_ioctl() at netbsd:cdev_ioctl+0x9b
 spec_ioctl() at netbsd:spec_ioctl+0x59
 VOP_IOCTL() at netbsd:VOP_IOCTL+0x47
 vn_ioctl() at netbsd:vn_ioctl+0xaa
 sys_ioctl() at netbsd:sys_ioctl+0x4ca
 syscall() at netbsd:syscall+0x9a
 --- syscall (number 54) ---
 netbsd:syscall+0x9a:
 cpu0: End traceback...