[ 76.5788456] panic: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,305: locking against myself [ 76.5879884] cpu0: Begin traceback... [ 76.6122464] vpanic() at netbsd:vpanic+0x91a sys/kern/subr_prf.c:288 [ 76.6722444] panic() at netbsd:panic+0x1ad sys/kern/subr_prf.c:209 [ 76.7422505] lockdebug_abort1() at netbsd:lockdebug_abort1+0xe82 [ 76.8122471] rw_enter() at netbsd:rw_enter+0x1c0 sys/kern/kern_rwlock.c:305 [ 76.8722478] uvm_fault_internal() at netbsd:uvm_fault_internal+0x5c6 uvmfault_lookup sys/uvm/uvm_fault_i.h:128 [inline] [ 76.8722478] uvm_fault_internal() at netbsd:uvm_fault_internal+0x5c6 uvm_fault_check sys/uvm/uvm_fault.c:987 [inline] [ 76.8722478] uvm_fault_internal() at netbsd:uvm_fault_internal+0x5c6 sys/uvm/uvm_fault.c:897 [ 76.9422469] trap() at netbsd:trap+0x21c2 sys/arch/amd64/amd64/trap.c:520 [ 76.9522455] --- trap (number 6) --- [ 77.0122469] uvm_pageunwire() at netbsd:uvm_pageunwire+0x79 sys/uvm/uvm_page.c:1848 [ 77.0722466] uvm_fault_unwire_locked() at netbsd:uvm_fault_unwire_locked+0x969 sys/uvm/uvm_fault.c:2723 [ 77.1422488] uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x13bb sys/uvm/uvm_map.c:2224 [ 77.2122458] uvm_map_enter() at netbsd:uvm_map_enter+0x5b0 sys/uvm/uvm_map.c:1331 [ 77.2822549] uvm_map() at netbsd:uvm_map+0x626 sys/uvm/uvm_map.c:1099 [ 77.3522496] uvm_mmap() at netbsd:uvm_mmap+0xd66 sys/uvm/uvm_mmap.c:910 [ 77.4222472] sys_mmap() at netbsd:sys_mmap+0x162c sys/uvm/uvm_mmap.c:401 [ 77.4822523] sys_syscall() at netbsd:sys_syscall+0x2a1 sy_call sys/sys/syscallvar.h:65 [inline] [ 77.4822523] sys_syscall() at netbsd:sys_syscall+0x2a1 sys/kern/sys_syscall.c:77 [ 77.5522504] syscall() at netbsd:syscall+0x42d sy_call sys/sys/syscallvar.h:65 [inline] [ 77.5522504] syscall() at netbsd:syscall+0x42d sy_invoke sys/sys/syscallvar.h:94 [inline] [ 77.5522504] syscall() at netbsd:syscall+0x42d sys/arch/x86/x86/syscall.c:138 [ 77.5722495] --- syscall (number 0) --- [ 77.5922465] netbsd:syscall+0x42d: [ 77.5922465] cpu0: End traceback... [ 77.6024108] fatal breakpoint trap in supervisor mode [ 77.6024108] trap type 1 code 0 rip 0xffffffff8022286d cs 0x8 rflags 0x246 cr2 0xdeadbeef ilevel 0 rsp 0xfffff40082aafa80 [ 77.6181836] curlwp 0xfffff400124f3180 pid 2492.2524 lowest kstack 0xfffff40082aa92c0 Stopped in pid 2492.2524 (syz-executor9700) at netbsd:breakpoint+0x5: leave ? breakpoint() at netbsd:breakpoint+0x5 vpanic() at netbsd:vpanic+0x91a sys/kern/subr_prf.c:288 panic() at netbsd:panic+0x1ad sys/kern/subr_prf.c:209 lockdebug_abort1() at netbsd:lockdebug_abort1+0xe82 rw_enter() at netbsd:rw_enter+0x1c0 sys/kern/kern_rwlock.c:305 uvm_fault_internal() at netbsd:uvm_fault_internal+0x5c6 uvmfault_lookup sys/uvm/uvm_fault_i.h:128 [inline] uvm_fault_internal() at netbsd:uvm_fault_internal+0x5c6 uvm_fault_check sys/uvm/uvm_fault.c:987 [inline] uvm_fault_internal() at netbsd:uvm_fault_internal+0x5c6 sys/uvm/uvm_fault.c:897 trap() at netbsd:trap+0x21c2 sys/arch/amd64/amd64/trap.c:520 --- trap (number 6) --- uvm_pageunwire() at netbsd:uvm_pageunwire+0x79 sys/uvm/uvm_page.c:1848 uvm_fault_unwire_locked() at netbsd:uvm_fault_unwire_locked+0x969 sys/uvm/uvm_fault.c:2723 uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x13bb sys/uvm/uvm_map.c:2224 uvm_map_enter() at netbsd:uvm_map_enter+0x5b0 sys/uvm/uvm_map.c:1331 uvm_map() at netbsd:uvm_map+0x626 sys/uvm/uvm_map.c:1099 uvm_mmap() at netbsd:uvm_mmap+0xd66 sys/uvm/uvm_mmap.c:910 sys_mmap() at netbsd:sys_mmap+0x162c sys/uvm/uvm_mmap.c:401 sys_syscall() at netbsd:sys_syscall+0x2a1 sy_call sys/sys/syscallvar.h:65 [inline] sys_syscall() at netbsd:sys_syscall+0x2a1 sys/kern/sys_syscall.c:77 syscall() at netbsd:syscall+0x42d sy_call sys/sys/syscallvar.h:65 [inline] syscall() at netbsd:syscall+0x42d sy_invoke sys/sys/syscallvar.h:94 [inline] syscall() at netbsd:syscall+0x42d sys/arch/x86/x86/syscall.c:138 --- syscall (number 0) --- netbsd:syscall+0x42d: Panic string: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,305: locking against myself PID LID S CPU FLAGS STRUCT LWP * NAME WAIT 2351 2351 2 0 0 fffff40011c36040 syz-executor9700 2403 2631 3 1 0 fffff400124e6580 syz-executor9700 tstile 2403 2403 2 1 10000040 fffff400124220c0 syz-executor9700 2386 2357 3 1 0 fffff400123f8900 syz-executor9700 tstile 2386 2386 2 1 10000040 fffff4001250ea40 syz-executor9700 2661 1703 2 0 0 fffff400124f35c0 syz-executor9700 2661 2661 2 1 10000040 fffff40012422940 syz-executor9700 2491 2491 2 0 0 fffff4001250e600 syz-executor9700 2492 >2524 7 0 1a0000 fffff400124f3180 syz-executor9700 2492 2494 8 1 1a0000 fffff40012422500 syz-executor9700 2492 2400 3 0 1000000 fffff400123f84c0 syz-executor9700 lwpwait 2492 2492 8 0 101a0000 fffff400124e6140 syz-executor9700 1069 1069 2 1 40 fffff400123f8080 syz-executor9700 1097 1097 2 1 40 fffff40011c368c0 syz-executor9700 1072 1072 2 1 40 fffff40011c36480 syz-executor9700 1064 1064 2 1 40 fffff40011457b00 syz-executor9700 1067 1067 2 1 40 fffff400114576c0 syz-executor9700 1065 1065 2 1 40 fffff40011367ac0 syz-executor9700 1075 1075 3 0 80 fffff40011b4dbc0 syz-executor9700 nanoslp 1068 1068 3 1 80 fffff40011269a80 sshd select 1058 1058 3 0 80 fffff40011b4d780 getty nanoslp 1090 1090 3 0 80 fffff40011269640 getty nanoslp 696 696 3 1 80 fffff40011269200 getty nanoslp 823 823 3 0 c0 fffff400112325c0 getty ttyraw 938 938 3 1 80 fffff40011b4d340 sshd select 981 981 3 0 80 fffff40011b19300 powerd kqueue 734 734 3 0 80 fffff40011b19740 syslogd kqueue 592 592 3 1 80 fffff40011367680 dhcpcd poll 590 590 3 0 80 fffff40011b19b80 dhcpcd poll 589 589 3 1 80 fffff40011367240 dhcpcd poll 412 412 3 0 80 fffff4001157bb40 dhcpcd poll 347 347 3 0 80 fffff4001157b700 dhcpcd poll 346 346 3 0 80 fffff40011457280 dhcpcd poll 345 345 3 0 80 fffff4001157b2c0 dhcpcd poll 1 1 3 0 80 fffff40010f20900 init wait 0 851 3 0 200 fffff40011232a00 physiod physiod 0 166 3 0 200 fffff4001123ba40 pooldrain pooldrain 0 > 165 7 1 240 fffff4001123b600 ioflush 0 160 3 1 200 fffff4001123b1c0 pgdaemon pgdaemon 0 161 3 0 200 fffff40011232180 usb7 usbevt 0 31 3 0 200 fffff400111989c0 usb6 usbevt 0 63 3 1 200 fffff40011198580 usb5 usbevt 0 126 3 1 200 fffff40011198140 usb4 usbevt 0 125 3 0 200 fffff400110e5980 usb3 usbevt 0 124 3 1 200 fffff400110e5540 usb2 usbevt 0 123 3 1 200 fffff400110e5100 usb1 usbevt 0 122 3 1 200 fffff400110d2940 usb0 usbevt 0 121 3 1 200 fffff400110d2500 usbtask-dr usbtsk 0 120 3 1 200 fffff400110d20c0 usbtask-hc usbtsk 0 119 3 0 200 fffff4000f433ac0 npfgc0 npfgcw 0 118 3 1 200 fffff40010f204c0 rt_free rt_free 0 117 3 1 200 fffff40010f20080 unpgc unpgc 0 116 2 0 200 fffff40010f1c8c0 key_timehandler 0 115 3 1 200 fffff40010f1c480 icmp6_wqinput/1 icmp6_wqinput 0 114 3 0 200 fffff40010f1c040 icmp6_wqinput/0 icmp6_wqinput 0 113 2 0 200 fffff40010f11bc0 nd6_timer 0 112 3 1 200 fffff40010f11780 carp6_wqinput/1 carp6_wqinput 0 111 3 0 200 fffff40010f11340 carp6_wqinput/0 carp6_wqinput 0 110 3 1 200 fffff40010ce1b80 carp_wqinput/1 carp_wqinput 0 109 3 0 200 fffff40010ce1300 carp_wqinput/0 carp_wqinput 0 108 3 1 200 fffff40010cdf2c0 icmp_wqinput/1 icmp_wqinput 0 107 3 0 200 fffff4001081db00 icmp_wqinput/0 icmp_wqinput 0 106 2 0 200 fffff40010cdf700 rt_timer 0 105 3 1 200 fffff40010cdfb40 vmem_rehash vmem_rehash 0 104 3 1 200 fffff40010ce1740 entbutler entropy 0 30 3 1 200 fffff4001081d6c0 vioif0_txrx/1 vioif0_txrx 0 29 3 0 200 fffff4001081d280 vioif0_txrx/0 vioif0_txrx 0 27 3 0 200 fffff4000f433680 scsibus0 sccomp 0 26 3 0 200 fffff4000f433240 pms0 pmsreset 0 25 3 1 200 fffff4000f423a80 xcall/1 xcall 0 24 1 1 200 fffff4000f423640 softser/1 0 23 1 1 200 fffff4000f423200 softclk/1 0 22 1 1 200 fffff4000f421a40 softbio/1 0 21 1 1 200 fffff4000f421600 softnet/1 0 20 1 1 201 fffff4000f4211c0 idle/1 0 19 3 0 200 fffff4000e29da00 lnxpwrwq lnxpwrwq 0 18 3 0 200 fffff4000e29d5c0 lnxlngwq lnxlngwq 0 17 3 0 200 fffff4000e29d180 lnxsyswq lnxsyswq 0 16 3 0 200 fffff4000e2979c0 lnxrcugc lnxrcugc 0 15 3 0 200 fffff4000e297580 sysmon smtaskq 0 14 3 0 200 fffff4000e297140 pmfsuspend pmfsuspend 0 13 3 0 200 fffff4000e293980 pmfevent pmfevent 0 12 3 0 200 fffff4000e293540 sopendfree sopendfr 0 11 3 0 200 fffff4000e293100 iflnkst iflnkst 0 10 3 0 200 fffff4000e28a940 nfssilly nfssilly 0 9 3 0 200 fffff4000e28a500 vdrain vdrain 0 8 3 0 200 fffff4000e28a0c0 modunload mod_unld 0 7 3 0 200 fffff4000dc87900 xcall/0 xcall 0 6 1 0 200 fffff4000dc874c0 softser/0 0 5 1 0 200 fffff4000dc87080 softclk/0 0