Warning: Permanently added '10.128.0.175' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program login: panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *193458 49504 0 0 0 0 syz-executor8776 126216 45325 0 0x14000 0x200 1 zerothread db_enter() at db_enter+0x18 panic(ffffffff82464b8f) at panic+0x177 witness_checkorder(ffffffff82838c20,9,0) at witness_checkorder+0x11eb __mp_lock(ffffffff82838a18) at __mp_lock+0xa1 intr_handler(ffff80002123d720,ffff800000255d80) at intr_handler+0x5e Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x48 pool_get(ffffffff829b8d10,9) at pool_get+0xeb vm_create(ffff800000b29800,ffff800021192548) at vm_create+0x261 vmmioctl(a00,c5005601,ffff800000b29800,1,ffff800021192548) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e092750,c5005601,ffff800000b29800,1,fffffd807f7d8720,ffff800021192548) at VOP_IOCTL+0x9a vn_ioctl(fffffd806e4a0d20,c5005601,ffff800000b29800,ffff800021192548) at vn_ioctl+0xba sys_ioctl(ffff800021192548,ffff80002123dcc8,ffff80002123dd10) at sys_ioctl+0x4a2 syscall(ffff80002123dd90) at syscall+0x5a9 end trace frame: 0xffff80002123de10, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82464b8f) at panic+0x177 witness_checkorder(ffffffff82838c20,9,0) at witness_checkorder+0x11eb __mp_lock(ffffffff82838a18) at __mp_lock+0xa1 intr_handler(ffff80002123d720,ffff800000255d80) at intr_handler+0x5e Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x48 pool_get(ffffffff829b8d10,9) at pool_get+0xeb vm_create(ffff800000b29800,ffff800021192548) at vm_create+0x261 vmmioctl(a00,c5005601,ffff800000b29800,1,ffff800021192548) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e092750,c5005601,ffff800000b29800,1,fffffd807f7d8720,ffff800021192548) at VOP_IOCTL+0x9a vn_ioctl(fffffd806e4a0d20,c5005601,ffff800000b29800,ffff800021192548) at vn_ioctl+0xba sys_ioctl(ffff800021192548,ffff80002123dcc8,ffff80002123dd10) at sys_ioctl+0x4a2 syscall(ffff80002123dd90) at syscall+0x5a9 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffef940, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002123d510 rbx 0xffffffff8280abff cpu_info_full_primary+0x2bff rdx 0x8b rcx 0x2 rax 0x68 r8 0xffffffff81a0be34 kprintf+0x144 r9 0x1 r10 0x74cbf8b6f3d42507 r11 0x85c0e8aa95a1824e r12 0xffffffff8280aa00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81e3e908 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002123d500 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor8776) pid=193458 stat=onproc flags process=0 proc=0 pri=51, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff6010,0xffffffff82913618 process=0xffff80002120b250 user=0xffff800021238000, vmspace=0xfffffd806d47cd00 estcpu=33, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *49504 193458 35837 0 7 0 syz-executor8776 77242 119177 22473 0 3 0x80 nanoslp syz-executor8776 35837 281670 22473 0 3 0x80 nanoslp syz-executor8776 22473 195693 99572 0 3 0x82 nanoslp syz-executor8776 99572 66769 72093 0 3 0x10008a sigsusp ksh 72093 257689 60940 0 3 0x9a select sshd 63966 436770 1 0 3 0x100083 ttyin getty 60940 222032 1 0 3 0x88 select sshd 89306 215614 84078 74 3 0x100092 bpf pflogd 84078 168408 1 0 3 0x80 netio pflogd 3927 363600 94047 73 3 0x100090 kqread syslogd 94047 225481 1 0 3 0x100082 netio syslogd 7376 285787 1 0 3 0x100080 kqread resolvd 5843 119110 75747 77 3 0x100092 kqread dhcpleased 94579 215920 75747 77 3 0x100092 kqread dhcpleased 75747 385072 1 0 3 0x80 kqread dhcpleased 28950 45791 0 0 3 0x14200 bored smr 45325 126216 0 0 7 0x14200 zerothread 34004 356319 0 0 3 0x14200 aiodoned aiodoned 10991 480909 0 0 3 0x14200 syncer update 65401 336805 0 0 3 0x14200 cleaner cleaner 52544 93093 0 0 3 0x14200 reaper reaper 28556 205843 0 0 3 0x14200 pgdaemon pagedaemon 46527 66526 0 0 3 0x14200 bored crynlk 1014 387814 0 0 3 0x14200 bored crypto 10744 331493 0 0 3 0x14200 bored viomb 7960 10813 0 0 3 0x40014200 acpi0 acpi0 49178 431982 0 0 3 0x40014200 idle1 3526 321562 0 0 3 0x14200 bored softnet 18687 496253 0 0 3 0x14200 bored systqmp 70908 114421 0 0 3 0x14200 bored systq 3444 200377 0 0 3 0x40014200 bored softclock 83851 517139 0 0 3 0x40014200 idle0 1 398876 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex vcpupl r = 0 (0xffffffff829b8d20) #0 witness_lock+0x4b0 #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b #3 pool_get+0xbf #4 vm_create+0x261 #5 vmmioctl+0x1f2 #6 VOP_IOCTL+0x9a #7 vn_ioctl+0xba #8 sys_ioctl+0x4a2 #9 syscall+0x5a9 #10 Xsyscall+0x128 Process 49504 (syz-executor8776) thread 0xffff800021192548 (193458) exclusive rwlock vmlistlock r = 0 (0xffff800000655c78) #0 witness_lock+0x4b0 #1 vm_create+0x12e #2 vmmioctl+0x1f2 #3 VOP_IOCTL+0x9a #4 vn_ioctl+0xba #5 sys_ioctl+0x4a2 #6 syscall+0x5a9 #7 Xsyscall+0x128 exclusive mutex vcpupl r = 0 (0xffffffff829b8d20) #0 witness_lock+0x4b0 #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b #3 pool_get+0xbf #4 vm_create+0x261 #5 vmmioctl+0x1f2 #6 VOP_IOCTL+0x9a #7 vn_ioctl+0xba #8 sys_ioctl+0x4a2 #9 syscall+0x5a9 #10 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10111 6416K 6417K 78643K 11201 0 pcb 13 8K 8K 78643K 13 0 rtable 62 2K 2K 78643K 112 0 ifaddr 29 8K 8K 78643K 30 0 counters 40 33K 33K 78643K 40 0 ioctlops 1 2K 4K 78643K 1490 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 6 0 vnodes 1183 74K 75K 78643K 1188 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 1 0K 0K 78643K 1 0 proc 67 87K 87K 78643K 278 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 2K 78643K 348 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 124 183K 183K 78643K 1784 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 4 0K 0K 78643K 4 0 temp 23 4193K 4257K 78643K 1981 0 kqueue 9 12K 12K 78643K 9 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 17 0 14 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 120 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 304 32 0 26 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 9 0 7 2 1 1 1 0 8 0 pfstkey 112 9 0 7 2 1 1 1 0 8 0 pfstate 320 9 0 7 2 1 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1426 0 32 88 0 88 88 0 8 0 ffsino 272 1426 0 32 93 0 93 93 0 8 0 nchpl 144 1612 0 60 58 0 58 58 0 8 0 uvmvnodes 72 1436 0 0 27 0 27 27 0 8 0 vnodes 224 1436 0 0 85 0 85 85 0 8 0 namei 1024 4203 0 4203 2 1 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 vcpupl 2048 10 0 0 2 0 2 2 0 8 0 pool(0xffffffff829b8d10:vcpupl): page inconsistency: page 0xffff80002123e000; 5 on list, 2 missing, 8 items per page vmpool 560 11 0 0 1 0 1 1 0 8 0 scxspl 216 3771 0 3771 18 17 1 8 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 268 0 234 4 0 4 4 0 8 0 knotepl 112 23 0 0 1 0 1 1 0 8 0 kqueuepl 216 5 0 0 1 0 1 1 0 8 0 pipepl 336 69 0 66 2 1 1 1 0 8 0 fdescpl 496 252 0 234 3 0 3 3 0 8 0 filepl 152 1104 0 1045 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 69 0 57 1 0 1 1 0 8 0 zombiepl 144 234 0 233 2 1 1 1 0 8 0 processpl 1072 268 0 233 3 0 3 3 0 8 0 procpl 672 268 0 233 3 0 3 3 0 8 0 sockpl 480 84 0 60 5 1 4 4 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 85 0 0 10 0 10 10 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 140 0 0 8 0 8 8 0 8 0 bufpl 280 2025 0 91 139 0 139 139 0 8 0 anonpl 24 32963 0 30439 19 3 16 17 0 186 0 amapchunkpl 152 3060 0 2899 9 2 7 8 0 158 0 amappl16 200 108 0 92 1 0 1 1 0 8 0 amappl15 192 1 0 0 1 0 1 1 0 8 0 amappl13 176 18 0 17 2 1 1 1 0 8 0 amappl12 168 10 0 10 1 1 0 1 0 8 0 amappl11 160 44 0 30 1 0 1 1 0 8 0 amappl10 152 26 0 22 1 0 1 1 0 8 0 amappl9 144 224 0 222 1 0 1 1 0 8 0 amappl8 136 275 0 275 2 1 1 1 0 8 1 amappl7 128 52 0 45 1 0 1 1 0 8 0 amappl6 120 86 0 81 1 0 1 1 0 8 0 amappl5 112 176 0 157 1 0 1 1 0 8 0 amappl4 104 528 0 507 1 0 1 1 0 8 0 amappl3 96 55 0 52 1 0 1 1 0 8 0 amappl2 88 399 0 354 3 1 2 2 0 8 0 amappl1 80 7651 0 7262 11 2 9 9 0 8 0 amappl 88 1515 0 1431 2 0 2 2 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 263 0 234 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 263 0 234 1 0 1 1 0 8 0 vmmpekpl 168 6039 0 6018 1 0 1 1 0 8 0 vmmpepl 168 22864 0 21907 47 5 42 42 0 357 0 vmsppl 368 262 0 234 3 0 3 3 0 8 0 rwobjpl 56 7065 0 6480 11 2 9 9 0 8 0 pdppl 4096 534 0 479 76 20 56 56 0 8 1 pvpl 32 112579 0 108054 45 7 38 38 0 265 1 pmappl 224 262 0 234 2 0 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 302 0 25 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff82464b8f) at panic+0x177 witness_checkorder(ffffffff82838c20,9,0) at witness_checkorder+0x11eb __mp_lock(ffffffff82838a18) at __mp_lock+0xa1 intr_handler(ffff80002123d720,ffff800000255d80) at intr_handler+0x5e Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x48 pool_get(ffffffff829b8d10,9) at pool_get+0xeb vm_create(ffff800000b29800,ffff800021192548) at vm_create+0x261 vmmioctl(a00,c5005601,ffff800000b29800,1,ffff800021192548) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e092750,c5005601,ffff800000b29800,1,fffffd807f7d8720,ffff800021192548) at VOP_IOCTL+0x9a vn_ioctl(fffffd806e4a0d20,c5005601,ffff800000b29800,ffff800021192548) at vn_ioctl+0xba sys_ioctl(ffff800021192548,ffff80002123dcc8,ffff80002123dd10) at sys_ioctl+0x4a2 syscall(ffff80002123dd90) at syscall+0x5a9 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffef940, count: -15 ddb{0}> machine ddbcpu 1