[Bug 270917] Panic on recent -CURRENT: Unread portion of the kernel message buffer: no proper vop_fplookup_vexec

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270917

            Bug ID: 270917
           Summary: Panic on recent -CURRENT: Unread portion of the kernel
                    message buffer: no proper vop_fplookup_vexec
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: gbe@FreeBSD.org

Created attachment 241568
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=241568&action=edit
Core.txt from the kernel panic

On a very recent -CURRENT as of April 18, 2023, I get a reproducible panic
running the kyua test suite (as root).

Unread portion of the kernel message buffer:
no proper vop_fplookup_vexec
0xfffff8003b7bb700: type VFIFO state VSTATE_CONSTRUCTED op 0xffffffff81af9380
    usecount 0, writecount 0, refcount 0 seqc users 0 fifoinfo 0
    hold count flags ()
    flags ()
    lock type tmpfs: UNLOCKED
tag VT_TMPFS, tmpfs_node 0xfffff8000bc95570, flags 0x0, links 1
        mode 0644, owner 0, group 0, size 0, status 0x0
, NULL v_fifoinfo
panic: no proper vop_fplookup_vexec
cpuid = 0
time = 1681794059
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0096cab990
vpanic() at vpanic+0x152/frame 0xfffffe0096cab9e0
panic() at panic+0x43/frame 0xfffffe0096caba40
cache_vop_bad_vexec() at cache_vop_bad_vexec+0x24/frame 0xfffffe0096caba50
cache_fplookup() at cache_fplookup+0x524/frame 0xfffffe0096cabb40
namei() at namei+0x1eb/frame 0xfffffe0096cabbc0
kern_statat() at kern_statat+0x12f/frame 0xfffffe0096cabd00
sys_fstatat() at sys_fstatat+0x2f/frame 0xfffffe0096cabe00
amd64_syscall() at amd64_syscall+0x6dc/frame 0xfffffe0096cabf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0096cabf30
--- syscall (552, FreeBSD ELF64, fstatat), rip = 0xf124c7f7eea, rsp =
0xf124a173e28, rbp = 0xf124a173f40 ---

The core.txt is attached to this PR, the dump is available on request.

-- 
You are receiving this mail because:
You are the assignee for the bug.