https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289494
Bug ID: 289494
Summary: panic: _mtx_lock_sleep: recursed on non-recursive
mutex u2f lock
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Attempting to use the WebAuthn demo at https://webauthn.io/ with a Yubikey
attached resulted in this panic:
Tree is main @ 187ee62c71f2be62870f26ae98de865e330121be + (I believe) unrelated
local changes.
[49109.490855] panic: _mtx_lock_sleep: recursed on non-recursive mutex u2f lock
@ /home/emaste/src/freebsd-git/wipbsd/sys/dev/hid/hidbus.c:609
[49109.539266]
[49109.551110] cpuid = 3
[49109.562870] time = 1757694613
[49109.574567] KDB: stack backtrace:
[49109.586371] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe01519446f0
[49109.599597] vpanic() at vpanic+0x136/frame 0xfffffe0151944820
[49109.612438] panic() at panic+0x43/frame 0xfffffe0151944880
[49109.625202] __mtx_lock_sleep() at __mtx_lock_sleep+0x485/frame
0xfffffe0151944910
[49109.638374] __mtx_lock_flags() at __mtx_lock_flags+0xdd/frame
0xfffffe0151944960
[49109.651353] hidbus_intr_start() at hidbus_intr_start+0x7c/frame
0xfffffe0151944990
[49109.664581] u2f_kqread() at u2f_kqread+0x4d/frame 0xfffffe01519449b0
[49109.678010] kqueue_register() at kqueue_register+0x82c/frame
0xfffffe0151944a30
[49109.691874] kqueue_kevent() at kqueue_kevent+0xc9/frame 0xfffffe0151944c90
[49109.705663] kern_kevent_fp() at kern_kevent_fp+0x9b/frame 0xfffffe0151944ce0
[49109.719744] kern_kevent() at kern_kevent+0x82/frame 0xfffffe0151944d40
[49109.733936] kern_kevent_generic() at kern_kevent_generic+0x70/frame
0xfffffe0151944da0
[49109.748574] sys_kevent() at sys_kevent+0x61/frame 0xfffffe0151944e00
[49109.763533] amd64_syscall() at amd64_syscall+0x174/frame 0xfffffe0151944f30
[49109.778470] fast_syscall_common() at fast_syscall_common+0xf8/frame
0xfffffe0151944f30
[49109.793438] --- syscall (560, FreeBSD ELF64, kevent), rip = 0x114196327e8a,
rsp = 0x1141aff91468, rbp = 0x1141aff914b0 ---
[49109.808844] Uptime: 13h38m29s
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