panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *176643 37105 0 0x8000000 0x4000000 0 syz-executor.3 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828edd2b) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82d8d7c8,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82d8d7c8,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff8000373c3b30,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp8(ffffffff82dfa950,9) at __sanitizer_cov_trace_const_cmp8+0x3b sys/dev/kcov.c:242 pool_get(ffffffff82dfa950,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,411ef000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a259058,ffff8000ffff5c58) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e55400,ffff8000ffff5c58) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e55400,1,ffff8000ffff5c58) at vmmioctl+0x2de VOP_IOCTL(fffffd807a88ecb0,c2585601,ffff800000e55400,1,fffffd807f7d3548,ffff8000ffff5c58) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807e535ef0,c2585601,ffff800000e55400,ffff8000ffff5c58) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 end trace frame: 0xffff8000373c41a0, 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828edd2b) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82d8d7c8,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82d8d7c8,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff8000373c3b30,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp8(ffffffff82dfa950,9) at __sanitizer_cov_trace_const_cmp8+0x3b sys/dev/kcov.c:242 pool_get(ffffffff82dfa950,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,411ef000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a259058,ffff8000ffff5c58) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e55400,ffff8000ffff5c58) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e55400,1,ffff8000ffff5c58) at vmmioctl+0x2de VOP_IOCTL(fffffd807a88ecb0,c2585601,ffff800000e55400,1,fffffd807f7d3548,ffff8000ffff5c58) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807e535ef0,c2585601,ffff800000e55400,ffff8000ffff5c58) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff5c58,ffff8000373c4280,ffff8000373c41d0) at sys_ioctl+0x4a9 syscall(ffff8000373c4280) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373c4280) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80dcf45a5f0, count: -17 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000373c3920 rbx 0xffffffff82cb5d77 cpu_info_full_primary+0x2d77 rdx 0xffff800000df9980 rcx 0xffff8000ffff5c58 rax 0xffffffff82cb4ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xde8c3e6e79ccb0f0 r11 0x58aa3093104c84b1 r12 0xffffffff82cb5b78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff815bfa7c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000373c3910 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) tid=176643 pid=37105 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000ffff59c8,0xffff8000ffff4d08 process=0xffff8000ffff2808 user=0xffff8000373bf000, vmspace=0xfffffd806b3b96f0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9684 303422 18459 60928 3 0x8000090 nanoslp syz-executor.7 9684 45770 18459 60928 3 0xc000090 fifow syz-executor.7 9684 83551 18459 60928 3 0xc000090 fsleep syz-executor.7 9684 89636 18459 60928 3 0xc000090 fsleep syz-executor.7 37105 78455 55639 0 2 0x8000000 syz-executor.3 *37105 176643 55639 0 7 0xc000000 syz-executor.3 92830 321228 54316 0 3 0x8000080 nanoslp syz-executor.6 92830 125990 54316 0 3 0xc000080 netcon syz-executor.6 97831 211086 81043 0 3 0x8000080 nanoslp syz-executor.1 97831 206667 81043 0 3 0xc000080 ttyopn syz-executor.1 97831 259906 81043 0 3 0xc000080 fsleep syz-executor.1 97831 483693 81043 0 3 0xc000080 fsleep syz-executor.1 48193 106348 73645 0 2 0x8000010 syz-executor.2 48193 96372 73645 0 3 0xc000090 fsleep syz-executor.2 84021 476319 25016 0 3 0x8000080 nanoslp syz-executor.0 84021 243749 25016 0 3 0xc000080 ttyout syz-executor.0 84021 84796 25016 0 3 0xc000080 ttyout syz-executor.0 84021 72533 25016 0 3 0xc000080 fsleep syz-executor.0 81043 65472 1673 0 3 0x8000082 nanoslp syz-executor.1 57466 102858 0 0 3 0x14200 bored sosplice 73645 228487 1673 0 3 0x8000082 nanoslp syz-executor.2 8798 206518 1673 0 3 0x8000002 biowait syz-executor.5 25016 297754 1673 0 3 0x8000082 nanoslp syz-executor.0 18459 79026 1673 0 3 0x8000082 nanoslp syz-executor.7 54944 154574 1673 0 3 0x8000082 nanoslp syz-executor.4 54316 405569 1673 0 3 0x8000082 nanoslp syz-executor.6 55639 486280 1673 0 3 0x8000082 nanoslp syz-executor.3 1673 386838 28344 0 3 0x1a000082 thrsleep syz-fuzzer 1673 361405 28344 0 3 0x1e000082 nanoslp syz-fuzzer 1673 366875 28344 0 3 0x1e000082 wait syz-fuzzer 1673 445975 28344 0 3 0x1e000082 wait syz-fuzzer 1673 397101 28344 0 3 0x1e000082 thrsleep syz-fuzzer 1673 451965 28344 0 3 0x1e000082 thrsleep syz-fuzzer 1673 56115 28344 0 3 0x1e000082 wait syz-fuzzer 1673 110032 28344 0 3 0x1e000082 wait syz-fuzzer 1673 21489 28344 0 3 0x1e000082 wait syz-fuzzer 1673 205974 28344 0 3 0x1e000082 wait syz-fuzzer 1673 64585 28344 0 3 0x1e000082 thrsleep syz-fuzzer 1673 29753 28344 0 3 0x1e000082 wait syz-fuzzer 1673 231823 28344 0 3 0x1e000082 thrsleep syz-fuzzer 1673 224799 28344 0 3 0x1e000082 thrsleep syz-fuzzer 1673 343713 28344 0 3 0x1e000082 kqread syz-fuzzer 1673 362487 28344 0 3 0x1e000082 wait syz-fuzzer 28344 476938 36147 0 3 0x810008a sigsusp ksh 36147 56587 68347 0 3 0x1800009a kqread sshd 18949 318329 1 0 3 0x18100083 ttyin getty 68347 146002 1 0 3 0x18000088 kqread sshd 2440 163613 81045 73 3 0x19100010 biowait syslogd 81045 172066 1 0 3 0x18100082 sbwait syslogd 59975 305875 1 0 3 0x18100080 kqread resolvd 11929 18700 37232 77 3 0x18100092 kqread dhcpleased 44885 260306 37232 77 3 0x18100092 kqread dhcpleased 37232 404087 1 0 3 0x18000080 kqread dhcpleased 23212 399564 0 0 3 0x14200 bored smr 82166 125091 0 0 2 0x14200 zerothread 16674 81375 0 0 3 0x14200 aiodoned aiodoned 29671 105207 0 0 3 0x14200 syncer update 98217 452853 0 0 3 0x14200 cleaner cleaner 31962 167330 0 0 3 0x14200 reaper reaper 25036 286726 0 0 3 0x14200 pgdaemon pagedaemon 59944 431187 0 0 3 0x14200 bored viomb 23950 467812 0 0 3 0x40014200 acpi0 acpi0 20693 446803 0 0 7 0x40014200 idle1 43360 448623 0 0 3 0x14200 bored softnet3 7494 480642 0 0 3 0x14200 bored softnet2 34411 95215 0 0 3 0x14200 bored softnet1 5993 263712 0 0 3 0x14200 bored softnet0 20589 298602 0 0 3 0x14200 bored systqmp 22019 187049 0 0 3 0x14200 bored systq 89495 38242 0 0 3 0x14200 tmoslp softclockmp 18737 405741 0 0 3 0x40014200 tmoslp softclock 97654 4385 0 0 3 0x40014200 idle0 1 500495 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex vmsppl r = 0 (0xffffffff82dfa960) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pool_get+0xc4 sys/kern/subr_pool.c:579 #4 uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 #5 vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 #6 vm_create+0x13e sys/dev/vmm/vmm.c:388 #7 vmmioctl+0x2de #8 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x4a9 #11 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 Process 8798 (syz-executor.5) thread 0xffff80002a1fef80 (206518) exclusive rrwlock inode r = 0 (0xfffffd806a99ed68) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067e310a0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 2440 (syslogd) thread 0xffff8000ffffd9b0 (163613) exclusive rrwlock inode r = 0 (0xfffffd806e74b1b0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 6562K 6682K 166960K 11581 0 pcb 19 12K 12K 166960K 77 0 rtable 193 5K 6K 166960K 453 0 pf 31 9K 10K 166960K 58 0 ifaddr 39 14K 14K 166960K 63 0 ifgroup 52 2K 2K 166960K 76 0 sysctl 1 0K 0K 166960K 1 0 counters 66 36K 36K 166960K 80 0 ioctlops 1 1K 4K 166960K 1503 0 iov 0 0K 12K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1367 86K 86K 166960K 1591 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 29 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 442 0 sigio 0 0K 0K 166960K 4 0 proc 57 79K 103K 166960K 556 0 subproc 104 6K 6K 166960K 131 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 50 0 in_multi 74 5K 6K 166960K 137 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 447 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 300 77K 95K 166960K 6402 0 UVM aobj 26 4K 4K 166960K 26 0 pinsyscall 36 72K 100K 166960K 1670 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 22 0 NDP 12 0K 1K 166960K 39 0 temp 46 6813K 6877K 166960K 22844 0 kqueue 12 18K 26K 166960K 61 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 68 0 64 1 0 1 1 0 8 0 rtentry 112 146 0 57 3 0 3 3 0 8 0 unpcb 144 315 0 296 2 0 2 2 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 121 0 121 1 1 0 1 0 8 0 tcpcb 808 112 0 103 3 1 2 2 0 8 1 arp 120 24 0 10 1 0 1 1 0 8 0 inpcb 384 408 0 392 5 3 2 3 0 8 0 nd6 136 35 0 15 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 4 0 3 2 1 1 1 0 8 0 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 49 0 46 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 42 0 20 1 0 1 1 0 8 0 pfstkey 128 42 0 20 1 0 1 1 0 8 0 pfstate 376 42 0 20 3 0 3 3 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 572 0 210 27 3 24 27 0 8 0 art_table 32 573 0 210 4 0 4 4 0 8 0 art_node 16 145 0 63 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 27 0 17 1 0 1 1 0 8 0 shmpl 112 23 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2096 0 578 96 0 96 96 0 8 0 ffsino 272 2096 0 578 102 0 102 102 0 8 0 nchpl 144 2832 0 1082 67 0 67 67 0 8 0 uvmvnodes 80 2337 0 0 48 0 48 48 0 8 0 vnodes 216 2337 0 0 130 0 130 130 0 8 0 namei 1024 9693 0 9693 4 3 1 2 0 8 1 percpumem 16 54 0 7 1 0 1 1 0 8 0 vmpool 696 4 0 3 2 1 1 1 0 8 0 kstatmem 264 38 0 14 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 14532 0 14530 9 8 1 8 1 8 0 plimitpl 152 85 0 69 1 0 1 1 0 8 0 sigapl 424 755 0 708 7 1 6 7 0 8 0 futexpl 64 5984 0 5978 4 3 1 1 0 8 0 knotepl 120 571 0 0 17 0 17 17 0 8 0 kqueuepl 216 113 0 104 1 0 1 1 0 8 0 pipepl 320 195 0 165 3 0 3 3 0 8 0 fdescpl 496 736 0 709 6 2 4 5 0 8 0 filepl 152 3873 0 3602 14 3 11 11 0 8 0 lockfpl 104 83 0 81 1 0 1 1 0 8 0 lockfspl 48 36 0 34 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 31 0 15 1 0 1 1 0 8 0 ucredpl 104 475 0 463 1 0 1 1 0 8 0 zombiepl 144 709 0 708 1 0 1 1 0 8 0 processpl 1136 755 0 708 4 0 4 4 0 8 0 procpl 656 1117 0 1043 7 0 7 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 664 797 0 758 8 4 4 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 378 0 0 48 0 48 48 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 421 0 0 26 0 26 26 0 8 0 bufpl 280 6623 0 368 447 0 447 447 0 8 0 anonpl 24 273577 0 267584 86 1 85 85 0 186 41 amapchunkpl 152 21748 0 21019 39 2 37 38 0 158 7 amappl16 200 7528 0 7403 35 17 18 32 0 8 8 amappl15 192 34 0 33 1 0 1 1 0 8 0 amappl14 184 163 0 152 2 1 1 2 0 8 0 amappl13 176 11 0 10 1 0 1 1 0 8 0 amappl12 168 1437 0 1407 2 0 2 2 0 8 0 amappl11 160 60 0 50 1 0 1 1 0 8 0 amappl10 152 59 0 50 1 0 1 1 0 8 0 amappl9 144 201 0 201 3 2 1 1 0 8 1 amappl8 136 151 0 117 2 0 2 2 0 8 0 amappl7 128 53 0 41 1 0 1 1 0 8 0 amappl6 120 370 0 354 2 1 1 2 0 8 0 amappl5 112 177 0 164 1 0 1 1 0 8 0 amappl4 104 607 0 568 2 0 2 2 0 8 0 amappl3 96 4429 0 4337 3 0 3 3 0 8 0 amappl2 88 1143 0 1073 3 1 2 3 0 8 0 amappl1 80 10805 0 10302 22 10 12 22 0 8 0 amappl 88 5804 0 5596 5 0 5 5 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 72 25 0 0 1 0 1 1 0 8 0 uaddrrnd 24 739 0 712 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 739 0 712 1 0 1 1 0 8 0 vmmpekpl 168 10123 0 10058 3 0 3 3 0 8 0 vmmpepl 168 68450 0 66562 121 14 107 114 0 357 20 vmsppl 440 738 0 712 4 0 4 4 0 8 0 rwobjpl 56 27621 0 24150 59 7 52 52 0 8 2 pdppl 4096 1485 0 1424 119 54 65 79 0 8 4 pvpl 32 45710 0 0 369 0 369 369 0 265 0 pmappl 248 738 0 712 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 438 0 65 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828edd2b) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82d8d7c8,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82d8d7c8,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82d8d5c0) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff8000373c3b30,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp8(ffffffff82dfa950,9) at __sanitizer_cov_trace_const_cmp8+0x3b sys/dev/kcov.c:242 pool_get(ffffffff82dfa950,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,411ef000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002a259058,ffff8000ffff5c58) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e55400,ffff8000ffff5c58) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e55400,1,ffff8000ffff5c58) at vmmioctl+0x2de VOP_IOCTL(fffffd807a88ecb0,c2585601,ffff800000e55400,1,fffffd807f7d3548,ffff8000ffff5c58) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd807e535ef0,c2585601,ffff800000e55400,ffff8000ffff5c58) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000ffff5c58,ffff8000373c4280,ffff8000373c41d0) at sys_ioctl+0x4a9 syscall(ffff8000373c4280) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373c4280) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80dcf45a5f0, count: -17 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5