panic: Assertion v != tid failed at /syzkaller/managers/main/kernel/sys/kern/kern_mutex.c:920
cpuid = 1
time = 1654284181
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00541f1630
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00541f1790
vpanic() at vpanic+0x254/frame 0xfffffe00541f1870
panic() at panic+0xb5/frame 0xfffffe00541f1930
thread_lock_flags_() at thread_lock_flags_+0x3f2/frame 0xfffffe00541f1a50
propagate_priority() at propagate_priority+0xde/frame 0xfffffe00541f1aa0
turnstile_wait() at turnstile_wait+0x66d/frame 0xfffffe00541f1b10
__mtx_lock_sleep() at __mtx_lock_sleep+0x46b/frame 0xfffffe00541f1c50
__mtx_lock_flags() at __mtx_lock_flags+0x231/frame 0xfffffe00541f1d40
in_pcbfree() at in_pcbfree+0xb7/frame 0xfffffe00541f1da0
sofree() at sofree+0x5b0/frame 0xfffffe00541f1e30
soclose() at soclose+0x768/frame 0xfffffe00541f1f40
_fdrop() at _fdrop+0x58/frame 0xfffffe00541f1f70
closef() at closef+0x689/frame 0xfffffe00541f2150
fdescfree() at fdescfree+0xa84/frame 0xfffffe00541f2330
exit1() at exit1+0x865/frame 0xfffffe00541f23d0
sigexit() at sigexit+0x3cd/frame 0xfffffe00541f2d30
postsig() at postsig+0x2c4/frame 0xfffffe00541f2eb0
ast() at ast+0xc5b/frame 0xfffffe00541f2f30
doreti_ast() at doreti_ast+0x1f/frame 0x821015ff0
KDB: enter: panic
[ thread pid 14318 tid 114552 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x275b6aa(%rip)