panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/main/kernel/sys/kern/kern_mutex.c:1155
cpuid = 0
time = 5
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0020ec7730
vpanic() at vpanic+0x1e0/frame 0xfffffe0020ec7790
panic() at panic+0x43/frame 0xfffffe0020ec77f0
_mtx_destroy() at _mtx_destroy+0x12d/frame 0xfffffe0020ec7830
solisten_proto() at solisten_proto+0xf6/frame 0xfffffe0020ec7890
sctp_listen() at sctp_listen+0x4eb/frame 0xfffffe0020ec7900
solisten() at solisten+0x7a/frame 0xfffffe0020ec7940
kern_listen() at kern_listen+0x132/frame 0xfffffe0020ec7980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe0020ec7ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0020ec7ab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x41311a, rsp = 0x7fffdffdcf38, rbp = 0x2 ---
KDB: enter: panic
[ thread pid 7930 tid 100212 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why