nbuf 223, STAT_FIX_LEN_9P 49 BIT16SZ 2, GBIT16(buf) 0 kernel panic at /syzkaller/managers/main/kernel/kern/include/kref.h:61, from core 2: This is bad!
assertion failed: kref
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a3b7>] in backtrace at src/kdebug.c:219
#02 [<0xffffffffc2009b7c>] in _panic at src/init.c:266
#03 [<0xffffffffc2049424>] in kref_get at include/kref.h:61
#04 [<     [inline]     >] in proc_incref.10203 at src/process.c:563
#04 [<0xffffffffc204945e>] in enum_proc.10203 at src/process.c:2346
#05 [<0xffffffffc2009151>] in hash_for_each at src/hashtable.c:427
#06 [<0xffffffffc204e8e7>] in proc_get_set at src/process.c:2367
#07 [<0xffffffffc2045c61>] in profiler_emit_current_system_status at src/profiler.c:270
#08 [<0xffffffffc2045d83>] in profiler_setup at src/profiler.c:421
#09 [<0xffffffffc207ad5a>] in kprof_open at drivers/dev/kprof.c:228
#10 [<0xffffffffc20338e0>] in __namec_from at src/ns/chan.c:1225
#11 [<0xffffffffc20340af>] in namec at src/ns/chan.c:1509
#12 [<0xffffffffc2041566>] in sysopenat at src/ns/sysfile.c:590
#13 [<0xffffffffc205859f>] in sys_openat at src/syscall.c:1805
#14 [<0xffffffffc2059149>] in syscall at src/syscall.c:2528
#15 [<0xffffffffc2059304>] in run_local_syscall at src/syscall.c:2563
#16 [<0xffffffffc2059839>] in prep_syscalls at src/syscall.c:2583
#17 [<0xffffffffc20aaf1a>] in sysenter_callwrapper at arch/x86/trap.c:859