https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293492
Bug ID: 293492
Summary: p9fs: VNASSERT failed: locked not true at
/usr/src/sys/kern/vfs_subr.c:5816 (assert_vop_elocked)
Product: Base System
Version: 16.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Playing with p9fs and bhyve I've the following crash:
VNASSERT failed: locked not true at /usr/src/sys/kern/vfs_subr.c:5816
(assert_vop_elocked)
0xfffff80026d99898: type VREG state VSTATE_CONSTRUCTED op 0xffffffff827a5480
usecount 1, writecount 0, refcount 1 seqc users 0
hold count flags ()
flags ()
v_object 0xfffff8002ae61870 ref 0 pages 0 cleanbuf 0 dirtybuf 0
lock type p9fs: SHARED (count 1)
panic: vnode_pager_setsize and not locked vnode: vnode is not exclusive locked
but should be
cpuid = 0
time = 1772222915
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe004ad75630
vpanic() at vpanic+0x136/frame 0xfffffe004ad75760
panic() at panic+0x43/frame 0xfffffe004ad757c0
assert_vop_elocked() at assert_vop_elocked+0x86/frame 0xfffffe004ad757f0
vnode_pager_setsize() at vnode_pager_setsize+0x3c/frame 0xfffffe004ad75830
p9fs_stat_vnode_dotl() at p9fs_stat_vnode_dotl+0x45/frame 0xfffffe004ad75860
p9fs_reload_stats_dotl() at p9fs_reload_stats_dotl+0xfe/frame
0xfffffe004ad758a0
p9fs_vget_common() at p9fs_vget_common+0x10b/frame 0xfffffe004ad75950
p9fs_lookup() at p9fs_lookup+0x4ad/frame 0xfffffe004ad75aa0
VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0x57/frame 0xfffffe004ad75ad0
vfs_lookup() at vfs_lookup+0x5aa/frame 0xfffffe004ad75b60
namei() at namei+0x35d/frame 0xfffffe004ad75bc0
kern_statat() at kern_statat+0x13c/frame 0xfffffe004ad75d00
sys_fstatat() at sys_fstatat+0x27/frame 0xfffffe004ad75e00
amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe004ad75f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe004ad75f30
--- syscall (552, FreeBSD ELF64, fstatat), rip = 0x988ea977a0a, rsp =
0x988e7ecf6d8, rbp = 0x988e7ecf800 ---
KDB: enter: panic
[ thread pid 5748 tid 100113 ]
Stopped at kdb_enter+0x33: movq $0,0x15ea8a2(%rip)
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