panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 287966 8752 0 0 0 0 syz-executor *332098 8752 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bdbc6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 sys_sysctl(ffff800033b95480,ffff8000371d7080,ffff8000371d6fd0) at sys_sysctl+0x422 syscall(ffff8000371d7080) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371d7080) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15e3e87260, 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(ffffffff830bdbc6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 sys_sysctl(ffff800033b95480,ffff8000371d7080,ffff8000371d6fd0) at sys_sysctl+0x422 syscall(ffff8000371d7080) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371d7080) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15e3e87260, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371d6bc0 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff800033b95480 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe7551e8b0424d01f r11 0x66d463dc2d6a9e92 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82f7a995 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371d6bb0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=332098 pid=8752 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033b94a60,0xffff800033b959a0 process=0xffff800037273660 user=0xffff8000371d2000, vmspace=0xfffffd8063a35c10 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8752 287966 88646 0 7 0 syz-executor * 8752 332098 88646 0 7 0x4000000 syz-executor 8752 165688 88646 0 2 0x4000000 syz-executor 72528 167441 57707 0 3 0x80 nanoslp syz-executor 72528 451796 57707 0 3 0x4000080 fsleep syz-executor 72528 436608 57707 0 3 0x4000080 kqread syz-executor 72528 58602 57707 0 3 0x4000080 fsleep syz-executor 77590 237642 67496 0 3 0x80 nanoslp syz-executor 77590 209516 67496 0 3 0x4000080 fsleep syz-executor 77590 139466 67496 0 3 0x4000080 fsleep syz-executor 77590 263854 67496 0 3 0x4000080 rest syz-executor 71068 384197 2805 0 3 0x80 nanoslp syz-executor 71068 336201 2805 0 3 0x4000080 kqread syz-executor 71068 17278 2805 0 3 0x4000080 fsleep syz-executor 23937 514535 25122 0 3 0x80 nanoslp syz-executor 23937 197727 25122 0 3 0x4000080 fifor syz-executor 23937 263734 25122 0 3 0x4000080 fsleep syz-executor 59295 407972 1 0 3 0x100083 ttyin getty 98092 34987 0 0 3 0x14280 nfsidl nfsio 2665 378829 0 0 3 0x14280 nfsidl nfsio 4301 175410 0 0 3 0x14280 nfsidl nfsio 49474 310444 0 0 3 0x14280 nfsidl nfsio 66456 363131 0 0 3 0x14280 nfsidl nfsio 76327 228444 0 0 3 0x14280 nfsidl nfsio 50133 318757 0 0 3 0x14280 nfsidl nfsio 35060 341703 0 0 3 0x14280 nfsidl nfsio 61332 163886 0 0 3 0x14280 nfsidl nfsio 95256 197699 0 0 3 0x14280 nfsidl nfsio 64638 206059 0 0 3 0x14280 nfsidl nfsio 40399 38381 0 0 3 0x14280 nfsidl nfsio 82052 293021 0 0 3 0x14280 nfsidl nfsio 37472 444591 0 0 3 0x14280 nfsidl nfsio 10026 121102 0 0 3 0x14280 nfsidl nfsio 16675 470646 0 0 3 0x14280 nfsidl nfsio 75276 64657 0 0 3 0x14280 nfsidl nfsio 688 380246 0 0 3 0x14280 nfsidl nfsio 28118 455908 0 0 3 0x14280 nfsidl nfsio 28956 476231 0 0 3 0x14280 nfsidl nfsio 2805 29030 94410 0 3 0x82 nanoslp syz-executor 83618 372050 0 0 3 0x14200 bored sosplice 8621 381363 94410 0 3 0x82 wait syz-executor 57707 32337 94410 0 3 0x82 nanoslp syz-executor 67496 214935 94410 0 3 0x82 nanoslp syz-executor 11809 173781 94410 0 3 0x82 wait syz-executor 88646 220092 94410 0 3 0x82 nanoslp syz-executor 40649 475097 94410 0 3 0x82 wait syz-executor 25122 307351 94410 0 3 0x82 nanoslp syz-executor 94410 285978 89345 0 3 0x82 kqread syz-executor 89345 367571 35303 0 3 0x10008a sigsusp ksh 35303 64671 85017 0 3 0x98 kqread sshd-session 85017 143352 9053 0 3 0x92 kqread sshd-session 9053 503353 1 0 3 0x88 kqread sshd 50390 124698 26561 74 3 0x1100092 bpf pflogd 26561 110514 1 0 3 0x80 sbwait pflogd 62755 318690 26859 73 3 0x1100090 kqread syslogd 26859 455466 1 0 3 0x100082 sbwait syslogd 25344 464080 1 0 3 0x100080 kqread resolvd 52413 74210 69005 77 3 0x100092 kqread dhcpleased 24164 456628 69005 77 3 0x100092 kqread dhcpleased 69005 16773 1 0 3 0x80 kqread dhcpleased 71744 279909 0 0 3 0x14200 bored smr 93820 520271 0 0 3 0x14200 pgzero zerothread 55628 33216 0 0 3 0x14200 aiodoned aiodoned 77009 32374 0 0 3 0x14200 syncer update 12538 509823 0 0 3 0x14200 cleaner cleaner 34827 19080 0 0 3 0x14200 reaper reaper 59294 511312 0 0 3 0x14200 pgdaemon pagedaemon 75284 355123 0 0 3 0x14200 bored viomb 79954 390448 0 0 3 0x40014200 acpi0 acpi0 44034 384340 0 0 3 0x40014200 idle1 13483 348291 0 0 3 0x14200 bored softnet3 75500 280874 0 0 3 0x14200 bored softnet2 31224 34029 0 0 3 0x14200 bored softnet1 51661 121108 0 0 3 0x14200 bored softnet0 83246 179972 0 0 3 0x14200 bored systqmp 89808 38435 0 0 3 0x14200 bored systq 50617 151384 0 0 3 0x14200 tmoslp softclockmp 9392 182257 0 0 3 0x40014200 tmoslp softclock 95277 331825 0 0 3 0x40014200 idle0 1 354121 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 8752 (syz-executor) thread 0xffff800033b95480 (332098) shared rwlock vmmaplk r = 0 (0xfffffd8063a35d00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83505fd0) #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+0x21e sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_fault_check+0x521 sys/uvm/uvm_fault.c:782 #6 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 #8 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 #9 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:503 #10 sys_sysctl+0x422 #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #11 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834c9040) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:503 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 11466K 11520K 166960K 12340 0 pcb 19 14K 16K 166960K 239 0 rtable 181 7K 7K 166960K 676 0 pf 40 18K 19K 166960K 92 0 ifaddr 40 6K 7K 166960K 76 0 ifgroup 66 2K 3K 166960K 124 0 sysctl 2 0K 0K 166960K 4 0 counters 68 36K 37K 166960K 102 0 ioctlops 0 0K 4K 166960K 1557 0 iov 0 0K 28K 166960K 127 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1427 90K 90K 166960K 2165 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 73 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 85K 166960K 1089 0 sigio 0 0K 0K 166960K 76 0 proc 75 103K 115K 166960K 672 0 subproc 104 6K 6K 166960K 118 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 162 0 in_multi 81 6K 7K 166960K 161 0 ether_multi 1 0K 0K 166960K 16 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 151 678K 678K 166960K 151 0 exec 0 0K 1K 166960K 544 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 275 78K 88K 166960K 12089 0 UVM aobj 131 4K 4K 166960K 134 0 pinsyscall 43 86K 100K 166960K 2252 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 111 0 NDP 14 0K 2K 166960K 53 0 temp 77 6824K 6893K 166960K 60614 0 kqueue 13 20K 28K 166960K 186 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 120 157 0 153 3 2 1 3 0 8 0 rtentry 112 238 0 159 4 0 4 4 0 8 0 unpcb 144 1174 0 1152 11 10 1 6 0 8 0 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpcb 808 466 0 457 14 12 2 7 0 8 1 arp 120 56 0 42 1 0 1 1 0 8 0 inpcb 336 1491 0 1474 13 11 2 7 0 8 0 nd6 136 30 0 10 1 0 1 1 0 8 0 pkpcb 40 11 0 11 4 4 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 8 0 8 2 2 0 1 0 8 0 pffrag 232 10 0 0 1 0 1 1 0 482 0 pffrnode 88 9 0 0 1 0 1 1 0 8 0 pffrent 40 15 0 5 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 89 0 32 1 0 1 1 0 8 0 pfstkey 128 89 0 32 2 0 2 2 0 8 0 pfstate 376 89 0 32 6 0 6 6 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 256 628 0 247 32 7 25 29 0 8 0 art_table 32 629 0 247 4 0 4 4 0 8 0 art_node 16 236 0 166 1 0 1 1 0 8 0 sysvmsgpl 40 39 0 36 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 71 0 61 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 3434 0 1925 95 0 95 95 0 8 0 ffsino 272 3434 0 1925 103 1 102 102 0 8 0 nchpl 144 5048 0 4478 63 40 23 63 0 8 0 uvmvnodes 80 3923 0 0 81 0 81 81 0 8 0 vnodes 216 3923 0 0 218 0 218 218 0 8 0 namei 1024 17788 0 17788 2 1 1 2 0 8 1 percpumem 16 65 0 17 1 0 1 1 0 8 0 kstatmem 264 62 0 34 3 0 3 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 15070 0 15070 14 13 1 8 1 8 1 plimitpl 152 233 0 215 1 0 1 1 0 8 0 sigapl 424 1428 0 1357 11 2 9 9 0 8 0 futexpl 64 17789 0 17783 1 0 1 1 0 8 0 knotepl 120 762 0 0 24 0 24 24 0 8 0 kqueuepl 216 357 0 345 5 0 5 5 0 8 4 pipepl 320 253 0 226 8 5 3 8 0 8 0 fdescpl 496 1385 0 1353 6 1 5 5 0 8 0 filepl 152 9617 0 9346 30 16 14 20 0 8 2 lockfpl 104 452 0 449 1 0 1 1 0 8 0 lockfspl 48 178 0 175 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 48 0 30 1 0 1 1 0 8 0 ucredpl 104 1598 0 1585 1 0 1 1 0 8 0 zombiepl 144 1360 0 1357 2 1 1 1 0 8 0 processpl 1160 1428 0 1357 6 0 6 6 0 8 0 procpl 648 3033 0 2950 9 1 8 8 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 5 0 5 2 2 0 1 0 8 0 sockpl 664 2856 0 2812 28 23 5 15 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 140 0 0 18 0 18 18 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 344 0 0 21 0 21 21 0 8 0 bufpl 280 4853 0 113 339 0 339 339 0 8 0 anonpl 24 241848 0 236122 73 32 41 59 0 185 0 amapchunkpl 152 40374 0 39703 54 28 26 41 0 158 0 amappl16 200 5910 0 5828 27 19 8 18 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 133 0 121 1 0 1 1 0 8 0 amappl13 176 15 0 14 1 0 1 1 0 8 0 amappl12 168 2070 0 2038 3 1 2 2 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 13 0 13 1 1 0 1 0 8 0 amappl9 144 144 0 142 1 0 1 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 144 0 132 1 0 1 1 0 8 0 amappl6 120 181 0 179 1 0 1 1 0 8 0 amappl5 112 142 0 130 1 0 1 1 0 8 0 amappl4 104 338 0 319 1 0 1 1 0 8 0 amappl3 96 7229 0 7115 3 0 3 3 0 8 0 amappl2 88 1706 0 1620 3 0 3 3 0 8 0 amappl1 80 11647 0 11076 16 2 14 15 0 8 0 amappl 88 11550 0 11338 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 3 0 3 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 128 255 0 255 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 1386 0 1354 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1386 0 1354 1 0 1 1 0 8 0 vmmpekpl 168 12391 0 12349 3 0 3 3 0 8 0 vmmpepl 168 91930 0 89908 101 9 92 98 0 357 0 vmsppl 440 1385 0 1354 6 2 4 5 0 8 0 rwobjpl 56 31669 0 26575 72 0 72 72 0 8 0 pdppl 4096 2779 0 2708 105 34 71 81 0 8 0 pvpl 32 16615 0 0 135 1 134 134 0 265 0 pmappl 248 1385 0 1354 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 424 0 76 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8348aff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83505dc8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83505dc8) at __mp_lock+0x1a3 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(ffffffff83505dc8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83505dc8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000371d1d10) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371d1d10) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74a6d271e690, count: 5 ddb{0}> trace x86_ipi_db(ffffffff8348aff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff83505dc8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83505dc8) at __mp_lock+0x1a3 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(ffffffff83505dc8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83505dc8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000371d1d10) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371d1d10) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74a6d271e690, count: -10 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(ffffffff830bdbc6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 sys_sysctl(ffff800033b95480,ffff8000371d7080,ffff8000371d6fd0) at sys_sysctl+0x422 syscall(ffff8000371d7080) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371d7080) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15e3e87260, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bdbc6) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063a35c10,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371d6f14,5,20000100,ffff8000371d6f48,0,37,aa0640965ad73df) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:507 sys_sysctl(ffff800033b95480,ffff8000371d7080,ffff8000371d6fd0) at sys_sysctl+0x422 syscall(ffff8000371d7080) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371d7080) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15e3e87260, count: -8