panic: kernel diagnostic assertion "pr->ps_threadcnt == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/kern_exit.c", line 886
Starting stack trace...
panic(ffffffff833608dc) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff8339dd19,ffffffff833bbb7e,376,ffffffff833bbbb3) at __assert+0x29 sys/kern/subr_prf.c:-1
process_zap(ffff80003bda68a0) at process_zap+0x31d sys/kern/kern_exit.c:887
reaper(ffff80002a73c530) at reaper+0x290 sys/kern/kern_exit.c:521
end trace frame: 0x0, count: 253
End of stack trace.

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machine ddbcpu 1
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