https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292608

            Bug ID: 292608
           Summary: panic: fuse_internal_cache_attrs: vnode is not
                    exclusive locked but should be
           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]

panic when copying from a ntfs-3g mounted filesystem.

$ uname -srv
FreeBSD 16.0-CURRENT main-n283254-902e3057cd5c GENERIC amd64
John
[email protected]

panic: fuse_internal_cache_attrs: vnode is not exclusive locked but should be
cpuid = 13
time = 1768912426
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01c10234d0
vpanic() at vpanic+0x136/frame 0xfffffe01c1023600
panic() at panic+0x43/frame 0xfffffe01c1023660
assert_vop_elocked() at assert_vop_elocked+0x86/frame 0xfffffe01c1023690
fuse_internal_cache_attrs() at fuse_internal_cache_attrs+0x47/frame
0xfffffe01c10236f0
fuse_internal_do_getattr() at fuse_internal_do_getattr+0x156/frame
0xfffffe01c10237a0
fuse_vnode_size() at fuse_vnode_size+0x70/frame 0xfffffe01c10237f0
fuse_read_biobackend() at fuse_read_biobackend+0x56/frame 0xfffffe01c1023880
fuse_vnop_read() at fuse_vnop_read+0x15a/frame 0xfffffe01c10238e0
VOP_READ_APV() at VOP_READ_APV+0x55/frame 0xfffffe01c1023910
vn_rdwr() at vn_rdwr+0x304/frame 0xfffffe01c10239d0
vn_generic_copy_file_range() at vn_generic_copy_file_range+0x8ee/frame
0xfffffe01c1023bf0
vn_copy_file_range() at vn_copy_file_range+0x28f/frame 0xfffffe01c1023cd0
kern_copy_file_range() at kern_copy_file_range+0x408/frame 0xfffffe01c1023db0
sys_copy_file_range() at sys_copy_file_range+0x78/frame 0xfffffe01c1023e00
amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe01c1023f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01c1023f30
--- syscall (569, FreeBSD ELF64, copy_file_range), rip = 0x36315973f95a, rsp =
0x363156588828, rbp = 0x363156588970 ---
KDB: enter: panic
Uptime: 13m29s

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