panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 436164 71637 32767 0x10 0 0 syz-executor *409799 71637 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bb062) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff67b0,ffff80002a560b80,ffff80002a560ad0) at sys_sysctl+0x422 syscall(ffff80002a560b80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a560b80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50b30699e20, count: 7 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:437 panic(ffffffff830bb062) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff67b0,ffff80002a560b80,ffff80002a560ad0) at sys_sysctl+0x422 syscall(ffff80002a560b80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a560b80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50b30699e20, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a5606c0 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff8000ffff67b0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x741a7d506362cce1 r11 0x411f2d1860d0dcc4 r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff82216ee5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a5606b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=409799 pid=71637 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6f48,0xffff8000ffff7c00 process=0xffff800030b77b00 user=0xffff80002a55b000, vmspace=0xfffffd806cd818a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 71637 436164 264 32767 7 0x10 syz-executor *71637 409799 264 32767 7 0x4000010 syz-executor 71637 481489 264 32767 3 0x4000090 fsleep syz-executor 71637 321787 264 32767 3 0x4000090 fsleep syz-executor 3301 55065 86114 32767 3 0x10 biowait syz-executor 86114 170524 90314 0 3 0x82 wait syz-executor 50078 480892 51764 32767 3 0x90 nanoslp syz-executor 50078 274408 51764 32767 3 0x4000090 lockf syz-executor 50078 386183 51764 32767 3 0x4000090 fsleep syz-executor 23068 8410 58606 32767 3 0x90 nanoslp syz-executor 23068 400077 58606 32767 3 0x4000090 sbwait syz-executor 23068 33132 58606 32767 3 0x4000090 fsleep syz-executor 23068 276006 58606 32767 3 0x4000090 fsleep syz-executor 98330 306354 95541 32767 3 0x90 nanoslp syz-executor 98330 78476 95541 32767 3 0x4000090 sbwait syz-executor 98330 482208 95541 32767 3 0x4000090 fsleep syz-executor 264 270158 62 32767 3 0x90 nanoslp syz-executor 62 45128 90314 0 3 0x82 wait syz-executor 58606 91985 57376 32767 3 0x90 nanoslp syz-executor 57376 119481 90314 0 3 0x82 wait syz-executor 95541 356353 3472 32767 3 0x90 nanoslp syz-executor 3472 481684 90314 0 3 0x82 wait syz-executor 57668 435814 15535 32767 3 0x90 nanoslp syz-executor 15535 160859 90314 0 3 0x82 wait syz-executor 96544 85417 18082 32767 3 0x90 nanoslp syz-executor 18082 232187 90314 0 3 0x82 wait syz-executor 37123 232726 82053 32767 3 0x90 nanoslp syz-executor 82053 85166 90314 0 3 0x82 wait syz-executor 51764 216350 40784 32767 3 0x90 nanoslp syz-executor 40784 494999 90314 0 3 0x82 wait syz-executor 56073 356123 65779 0 3 0x100082 sbwait arp 65779 431136 81982 0 3 0x10008a sigsusp sh 81982 289500 1 0 3 0x80 wait syz-executor 98026 270347 0 0 3 0x14200 bored sosplice 16895 247639 13670 0 3 0x100082 sbwait arp 13670 406420 67456 0 3 0x10008a sigsusp sh 67456 76531 1 0 3 0x80 wait syz-executor 90314 291558 55385 0 2 0x2 syz-executor 55385 281383 95715 0 3 0x10008a sigsusp ksh 95715 464516 12727 0 3 0x98 kqread sshd-session 12727 459936 28198 0 3 0x92 kqread sshd-session 73042 149037 1 0 3 0x100083 ttyin getty 28198 239267 1 0 3 0x88 kqread sshd 80282 359438 41094 73 3 0x1100090 kqread syslogd 41094 390688 1 0 3 0x100082 sbwait syslogd 12138 137526 1 0 3 0x100080 kqread resolvd 52800 453441 82991 77 3 0x100092 kqread dhcpleased 76620 40394 82991 77 3 0x100092 kqread dhcpleased 82991 83669 1 0 3 0x80 kqread dhcpleased 27614 435212 0 0 3 0x14200 bored smr 42177 316436 0 0 2 0x14200 zerothread 56519 109125 0 0 3 0x14200 aiodoned aiodoned 65320 308002 0 0 3 0x14200 syncer update 33130 493902 0 0 3 0x14200 cleaner cleaner 10639 122138 0 0 3 0x14200 reaper reaper 84551 152720 0 0 3 0x14200 pgdaemon pagedaemon 45358 352300 0 0 3 0x14200 bored viomb 38951 501881 0 0 3 0x40014200 acpi0 acpi0 78844 26612 0 0 3 0x40014200 idle1 86410 308075 0 0 3 0x14200 bored softnet3 83439 508566 0 0 3 0x14200 bored softnet2 21348 35473 0 0 3 0x14200 bored softnet1 15216 425979 0 0 3 0x14200 bored softnet0 16306 21964 0 0 3 0x14200 bored systqmp 13411 484804 0 0 3 0x14200 bored systq 32940 520731 0 0 3 0x14200 tmoslp softclockmp 3941 366491 0 0 3 0x40014200 tmoslp softclock 37313 355770 0 0 3 0x40014200 idle0 1 422535 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 71637 (syz-executor) thread 0xffff8000ffff67b0 (409799) shared rwlock vmmaplk r = 0 (0xfffffd806cd81998) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #3 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #3 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff834fe560) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #6 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #6 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #7 sys_sysctl+0x422 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834bd090) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 3301 (syz-executor) thread 0xffff8000371cf6f0 (55065) exclusive rrwlock inode r = 0 (0xfffffd8074d30c50) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80798f2918) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10219 14124K 14131K 166960K 13561 0 pcb 17 24K 28K 166960K 27 0 rtable 244 6K 7K 166960K 27978 0 pf 31 16K 16K 166960K 1544 0 ifaddr 42 15K 19K 166960K 3065 0 ifgroup 50 2K 2K 166960K 3071 0 sysctl 4 1K 3K 166960K 46 0 counters 64 36K 36K 166960K 1572 0 ioctlops 0 0K 3K 166960K 2274 0 iov 1 2K 34K 166960K 6116 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1495 94K 94K 166960K 22130 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1194 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 2652 0 dirhash 15 3K 4K 166960K 2061 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 31 117K 185K 166960K 63165 0 sigio 0 0K 0K 166960K 2065 0 proc 61 91K 176K 166960K 26863 0 subproc 130 8K 14K 166960K 10972 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 4 0K 0K 166960K 15004 0 in_multi 100 7K 7K 166960K 10861 0 ether_multi 1 0K 0K 166960K 421 0 mrt 1 0K 0K 166960K 19 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 20370 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 320 93K 157K 166960K 554264 0 UVM aobj 131 5K 8K 166960K 162 0 pinsyscall 54 108K 147K 166960K 86727 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 4765 0 NDP 13 0K 2K 166960K 2283 0 temp 82 6824K 6952K 166960K 436884 0 kqueue 14 22K 37K 166960K 10418 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 8941 0 8935 48 47 1 4 0 8 0 rtentry 112 9053 0 8938 7 3 4 4 0 8 0 unpcb 144 66011 0 65990 193 190 3 11 0 8 2 syncache 336 971 0 971 27 26 1 1 0 8 1 tcpqe 32 358 0 358 54 54 0 1 0 8 0 tcpcb 808 42215 0 42183 364 354 10 27 0 8 3 arp 120 1564 0 1546 1 0 1 1 0 8 0 ipq 40 293 0 287 2 1 1 1 0 8 0 ipqe 40 4016 0 4009 2 1 1 1 0 8 0 inpcb 336 94069 0 94032 349 334 15 29 0 8 7 ip6q 72 11 0 11 10 10 0 1 0 8 0 ip6af 40 22 0 22 10 10 0 1 0 8 0 nd6 136 2910 0 2881 17 15 2 2 0 8 1 kcovpl 48 844 0 834 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 36803 0 36336 139 108 31 33 0 8 1 art_table 32 36804 0 36336 14 9 5 5 0 8 0 art_node 16 9052 0 8947 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 19 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 2649 0 2639 1 0 1 1 0 8 0 shmpl 112 159 0 31 4 0 4 4 0 8 0 dirhash 1024 1398 0 1371 16 12 4 4 0 8 0 dino2pl 256 85360 0 80776 287 0 287 287 0 8 0 ffsino 272 85360 0 80776 308 2 306 306 0 8 0 nchpl 144 156786 0 153591 119 0 119 119 0 8 0 uvmvnodes 80 10971 0 0 224 0 224 224 0 8 0 vnodes 216 10971 0 0 610 0 610 610 0 8 0 namei 1024 655250 0 655250 42 41 1 2 0 8 1 percpumem 16 800 0 754 1 0 1 1 0 8 0 kstatmem 264 1530 0 1508 2 0 2 2 0 8 0 scxspl 216 556507 0 556506 122 118 4 8 1 8 3 plimitpl 152 18749 0 18719 2 0 2 2 0 8 0 sigapl 424 62373 0 62311 12 4 8 9 0 8 0 futexpl 64 764461 0 764455 21 20 1 1 0 8 0 knotepl 120 2139 0 0 31 1 30 30 0 8 0 kqueuepl 216 21479 0 21469 141 139 2 8 0 8 1 pipepl 320 12130 0 12097 139 135 4 12 0 8 0 fdescpl 496 62354 0 62311 14 7 7 8 0 8 0 filepl 152 462140 0 461842 274 257 17 30 0 8 1 lockfpl 104 16934 0 16929 11 10 1 2 0 8 0 lockfspl 48 4865 0 4862 1 0 1 1 0 8 0 sessionpl 144 1369 0 1351 2 0 2 2 0 8 0 pgrppl 48 3201 0 3175 1 0 1 1 0 8 0 ucredpl 104 97338 0 97319 1 0 1 1 0 8 0 zombiepl 144 62314 0 62311 1 0 1 1 0 8 0 processpl 1160 62373 0 62311 6 0 6 6 0 8 0 procpl 648 148366 0 148294 15 7 8 8 0 8 1 srpgc 96 12 0 12 6 6 0 1 0 8 0 sosppl 168 816 0 812 19 18 1 1 0 8 0 sockpl 664 170714 0 170647 532 515 17 37 0 8 6 mcl64k 65536 113 0 0 7 4 3 4 0 8 0 mcl16k 16384 36 0 0 3 0 3 3 0 8 0 mcl12k 12288 14 0 0 2 0 2 2 0 8 0 mcl9k 9216 12 0 0 1 0 1 1 0 8 0 mcl8k 8192 26 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 4 1 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 859 0 0 26 5 21 26 0 8 0 mtagpl 96 34 0 0 1 0 1 1 0 8 0 mbufpl 256 5771 0 0 275 0 275 275 0 8 0 bufpl 280 106449 0 95478 784 0 784 784 0 8 0 anonpl 24 7756430 0 7741091 623 491 132 143 0 185 7 amapchunkpl 152 1804149 0 1803218 444 392 52 58 0 158 10 amappl16 200 195538 0 195040 608 568 40 54 0 8 8 amappl15 192 225 0 223 1 0 1 1 0 8 0 amappl14 184 2835 0 2823 1 0 1 1 0 8 0 amappl13 176 94 0 94 55 55 0 1 0 8 0 amappl12 168 75605 0 75560 4 1 3 3 0 8 0 amappl11 160 53 0 42 1 0 1 1 0 8 0 amappl10 152 17 0 16 3 2 1 1 0 8 0 amappl9 144 141 0 140 3 2 1 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 2203 0 2190 1 0 1 1 0 8 0 amappl6 120 7698 0 7693 1 0 1 1 0 8 0 amappl5 112 3747 0 3734 1 0 1 1 0 8 0 amappl4 104 5131 0 5112 1 0 1 1 0 8 0 amappl3 96 377886 0 377726 9 4 5 5 0 8 0 amappl2 88 18136 0 18064 15 12 3 3 0 8 0 amappl1 80 392042 0 391448 44 27 17 20 0 8 1 amappl 88 540456 0 540200 7 0 7 7 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 72 161 0 31 3 0 3 3 0 8 0 uaddrrnd 24 62354 0 62311 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 62354 0 62311 1 0 1 1 0 8 0 vmmpekpl 168 564751 0 564703 13 9 4 5 0 8 0 vmmpepl 168 4053564 0 4050800 628 474 154 156 0 357 11 vmsppl 440 62353 0 62311 12 6 6 7 0 8 0 rwobjpl 56 1040775 0 1028164 257 73 184 185 0 8 0 pdppl 4096 124715 0 124622 1628 1531 97 127 0 8 4 pvpl 32 48256 0 0 386 0 386 386 0 265 0 pmappl 248 62353 0 62311 5 1 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3482 0 2420 31 0 31 31 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83451ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff834fe358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834fe358) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a544870,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff834fe358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834fe358) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a544a40) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a544a40) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b82c880eb00, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83451ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff834fe358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834fe358) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a544870,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff834fe358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834fe358) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a544a40) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a544a40) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b82c880eb00, count: -9 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:437 panic(ffffffff830bb062) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff67b0,ffff80002a560b80,ffff80002a560ad0) at sys_sysctl+0x422 syscall(ffff80002a560b80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a560b80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50b30699e20, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bb062) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806cd818a8,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a560a14,5,20000100,ffff80002a560a48,0,37,efba3351b74ec49c) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff67b0,ffff80002a560b80,ffff80002a560ad0) at sys_sysctl+0x422 syscall(ffff80002a560b80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a560b80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50b30699e20, count: -8