panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *198486 39554 0 0 0x4000000 1 syz-executor 29409 28178 0 0 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83405f6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5315d4,5,400000000100,ffff80003c531608,0,94e88e483d20a485,6bb313f77b03c7f7) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffffa2a0,ffff80003c531740,ffff80003c531690) at sys_sysctl+0x425 syscall(ffff80003c531740) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c531740) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12edb3a6580, count: 6 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83405f6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5315d4,5,400000000100,ffff80003c531608,0,94e88e483d20a485,6bb313f77b03c7f7) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffffa2a0,ffff80003c531740,ffff80003c531690) at sys_sysctl+0x425 syscall(ffff80003c531740) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c531740) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12edb3a6580, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c5311e0 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff8000ffffa2a0 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4a5127e85a23191d r11 0x3c29247ca630abe6 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82313235 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c5311d0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=198486 pid=39554 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffface0,0xffff80003c51e2c8 process=0xffff80003c4dbdd0 user=0xffff80003c52c000, vmspace=0xfffffd8069ddac98 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39554 520739 12145 0 2 0 syz-executor *39554 198486 12145 0 7 0x4000000 syz-executor 39554 84611 12145 0 3 0x4000080 fsleep syz-executor 39554 521785 12145 0 3 0x4000000 vmmaplk syz-executor 66684 139879 28253 0 2 0 syz-executor 21207 211224 3925 0 2 0 syz-executor 21207 444653 3925 0 3 0x4000080 fsleep syz-executor 21207 187371 3925 0 3 0x4000080 fsleep syz-executor 28178 29409 54756 0 7 0 syz-executor 28178 119240 54756 0 3 0x4000080 fsleep syz-executor 28178 403062 54756 0 3 0x4000080 fsleep syz-executor 89953 431466 47611 0 3 0x80 nanoslp syz-executor 89953 486872 47611 0 3 0x4000080 sbwait syz-executor 89953 315931 47611 0 3 0x4000080 fsleep syz-executor 84744 51565 59046 0 3 0x90 nanoslp syz-executor 84744 244532 59046 0 3 0x4000090 ttyout syz-executor 84744 305477 59046 0 3 0x4000090 fsleep syz-executor 58456 175264 0 0 3 0x14200 bored sosplice 43021 383322 0 0 3 0x14200 acct acct 3925 364258 22791 0 3 0x82 nanoslp syz-executor 47611 425602 22791 0 3 0x82 nanoslp syz-executor 54756 347568 22791 0 3 0x82 nanoslp syz-executor 12145 476909 22791 0 3 0x82 nanoslp syz-executor 59046 76352 22791 0 3 0x82 nanoslp syz-executor 15440 235944 22791 0 3 0x82 wait syz-executor 28253 147140 22791 0 3 0x82 nanoslp syz-executor 9220 349606 22791 0 3 0x82 wait syz-executor 22791 440 98357 0 3 0x82 kqread syz-executor 98357 371241 10626 0 3 0x10008a sigsusp ksh 10626 434425 28218 0 3 0x98 kqread sshd-session 28218 239184 75171 0 3 0x92 kqread sshd-session 22547 452223 1 0 3 0x100083 ttyin getty 75171 75173 1 0 3 0x88 kqread sshd 9065 478558 36561 74 3 0x1100092 bpf pflogd 36561 415438 1 0 3 0x80 sbwait pflogd 54672 400061 23889 73 3 0x1100090 kqread syslogd 23889 142629 1 0 3 0x100082 sbwait syslogd 7598 511583 1 0 3 0x100080 kqread resolvd 24987 497792 82971 77 3 0x100092 kqread dhcpleased 92756 456822 82971 77 3 0x100092 kqread dhcpleased 82971 282251 1 0 3 0x80 kqread dhcpleased 43528 317386 0 0 3 0x14200 bored smr 20712 224588 0 0 2 0x14200 zerothread 88386 469676 0 0 3 0x14200 aiodoned aiodoned 55529 306217 0 0 3 0x14200 syncer update 60131 305168 0 0 3 0x14200 cleaner cleaner 26961 112969 0 0 3 0x14200 reaper reaper 37020 390289 0 0 3 0x14200 pgdaemon pagedaemon 26395 305887 0 0 3 0x14200 bored viomb 93819 394061 0 0 3 0x40014200 acpi0 acpi0 47458 506809 0 0 3 0x40014200 idle1 85109 448915 0 0 3 0x14200 bored softnet3 47713 467389 0 0 3 0x14200 bored softnet2 28190 188798 0 0 3 0x14200 bored softnet1 85448 415156 0 0 3 0x14200 bored softnet0 34570 189195 0 0 3 0x14200 bored systqmp 64794 500051 0 0 3 0x14200 bored systq 92880 418416 0 0 3 0x14200 tmoslp softclockmp 81982 403584 0 0 3 0x40014200 tmoslp softclock 90513 310212 0 0 3 0x40014200 idle0 1 90989 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 39554 (syz-executor) thread 0xffff8000ffffa2a0 (198486) shared rwlock vmmaplk r = 0 (0xfffffd8069ddad98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701 #3 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #3 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8389bca0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701 #6 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #6 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #7 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #8 sys_sysctl+0x425 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837fbdd8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187 #3 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 39554 (syz-executor) thread 0xffff80003c51e2b8 (84611) exclusive rwlock amaplk r = 0 (0xfffffd805f8987a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 amap_unref+0x3d sys/uvm/uvm_amap.c:1360 #3 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #4 sys_munmap+0x32f sys/uvm/uvm_mmap.c:544 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 89953 (syz-executor) thread 0xffff80002a362540 (486872) exclusive rrwlock inode r = 0 (0xfffffd806bb6adc0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 vn_open+0x13f sys/kern/vfs_vnops.c:140 #12 vndioctl+0xcb1 sys/dev/vnd.c:457 #13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #15 sys_ioctl+0x5c3 #16 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #17 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 11080K 11412K 166960K 11895 0 pcb 18 12K 12K 166960K 63 0 rtable 220 6K 7K 166960K 383 0 pf 32 17K 18K 166960K 66 0 ifaddr 40 7K 8K 166960K 56 0 ifgroup 51 2K 2K 166960K 78 0 sysctl 3 1K 1K 166960K 3 0 counters 62 36K 36K 166960K 80 0 ioctlops 0 0K 4K 166960K 1508 0 iov 0 0K 12K 166960K 24 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1443 91K 91K 166960K 1747 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 84 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 481 0 sigio 0 0K 0K 166960K 2 0 proc 73 91K 128K 166960K 572 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 39 0 in_multi 88 6K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 460 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 235 73K 77K 166960K 6040 0 UVM aobj 12 4K 4K 166960K 14 0 pinsyscall 43 86K 101K 166960K 1574 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 11 0K 1K 166960K 36 0 temp 53 8638K 8704K 166960K 12603 0 kqueue 14 22K 26K 166960K 73 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 52 0 48 1 0 1 1 0 8 0 rtentry 168 125 0 22 5 0 5 5 0 8 0 unpcb 144 230 0 210 2 1 1 2 0 8 0 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 116 0 108 4 0 4 4 0 8 3 arp 120 23 0 6 1 0 1 1 0 8 0 inpcb 376 390 0 377 5 0 5 5 0 8 3 nd6 136 25 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 5 0 5 1 0 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 0 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 41 0 2 1 0 1 1 0 8 0 pfstkey 128 41 0 2 2 0 2 2 0 8 0 pfstate 376 41 0 2 4 0 4 4 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 468 0 51 29 0 29 29 0 8 1 art_table 32 469 0 51 4 0 4 4 0 8 0 art_node 16 124 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 81 0 71 1 0 1 1 0 8 0 shmpl 112 11 0 2 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2182 0 677 95 0 95 95 0 8 0 ffsino 280 2182 0 677 109 0 109 109 0 8 0 nchpl 144 2872 0 2331 63 32 31 63 0 8 8 uvmvnodes 80 2556 0 0 53 0 53 53 0 8 0 vnodes 216 2556 0 0 142 0 142 142 0 8 0 namei 1024 9175 0 9175 2 1 1 2 0 8 1 percpumem 16 54 0 9 1 0 1 1 0 8 0 kstatmem 264 40 0 18 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 8961 0 8961 5 2 3 3 1 8 3 plimitpl 152 69 0 50 1 0 1 1 0 8 0 sigapl 424 784 0 732 7 1 6 7 0 8 0 futexpl 64 5126 0 5119 1 0 1 1 0 8 0 knotepl 120 316 0 0 10 0 10 10 0 8 0 kqueuepl 216 110 0 99 2 0 2 2 0 8 1 pipepl 328 131 0 104 3 0 3 3 0 8 0 fdescpl 504 764 0 732 5 0 5 5 0 8 0 filepl 152 3568 0 3338 13 0 13 13 0 8 2 lockfpl 104 172 0 170 1 0 1 1 0 8 0 lockfspl 48 64 0 62 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 36 0 19 1 0 1 1 0 8 0 ucredpl 104 320 0 305 1 0 1 1 0 8 0 zombiepl 144 734 0 732 1 0 1 1 0 8 0 processpl 1168 784 0 732 5 1 4 5 0 8 0 procpl 656 1382 0 1319 6 0 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sockpl 688 682 0 645 6 0 6 6 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 118 0 0 3 0 3 3 0 8 0 mbufpl 256 324 0 0 20 0 20 20 0 8 0 bufpl 280 2946 0 131 202 0 202 202 0 8 0 anonpl 24 129003 0 124953 36 4 32 32 0 184 7 amapchunkpl 152 18901 0 18371 25 0 25 25 0 158 2 amappl16 200 2429 0 2373 7 3 4 5 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 122 0 109 1 0 1 1 0 8 0 amappl13 176 1 0 1 1 1 0 1 0 8 0 amappl12 168 1404 0 1372 4 1 3 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 36 0 35 2 1 1 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 112 0 99 1 0 1 1 0 8 0 amappl6 120 181 0 178 1 0 1 1 0 8 0 amappl5 112 124 0 115 1 0 1 1 0 8 0 amappl4 104 340 0 322 1 0 1 1 0 8 0 amappl3 96 3619 0 3501 4 0 4 4 0 8 0 amappl2 88 675 0 612 2 0 2 2 0 8 0 amappl1 80 9593 0 9020 14 0 14 14 0 8 0 amappl 88 5645 0 5467 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 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 128 254 0 254 2 2 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 13 0 2 1 0 1 1 0 8 0 uaddrrnd 24 764 0 732 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 764 0 732 1 0 1 1 0 8 0 vmmpekpl 168 7927 0 7892 2 0 2 2 0 8 0 vmmpepl 168 53541 0 51597 90 0 90 90 0 357 5 vmsppl 456 763 0 732 5 0 5 5 0 8 1 rwobjpl 64 19803 0 16279 58 0 58 58 0 8 1 pdppl 4096 1535 0 1464 101 30 71 85 0 8 0 pvpl 32 11895 0 0 97 0 97 97 0 265 1 pmappl 248 763 0 732 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 293 0 35 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8381cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd8069dda578,289b46d000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c53d4a0,289b46d000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c53d4a0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x6fd4c0e680a0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8381cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8389ba98) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd8069dda578,289b46d000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c53d4a0,289b46d000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c53d4a0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x6fd4c0e680a0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83405f6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5315d4,5,400000000100,ffff80003c531608,0,94e88e483d20a485,6bb313f77b03c7f7) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffffa2a0,ffff80003c531740,ffff80003c531690) at sys_sysctl+0x425 syscall(ffff80003c531740) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c531740) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12edb3a6580, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83405f6e) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd8069ddac98,400000000000,400000002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c5315d8,4,400000000100,ffff80003c531608,0,768f63f5034677a,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5315d4,5,400000000100,ffff80003c531608,0,94e88e483d20a485,6bb313f77b03c7f7) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffffa2a0,ffff80003c531740,ffff80003c531690) at sys_sysctl+0x425 syscall(ffff80003c531740) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c531740) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12edb3a6580, count: -9