panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 171140 84406 32767 0x10 0 0 syz-executor * 87105 84406 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff80002d11f620,ffff80002d11f570) at sys_sysctl+0x422 syscall(ffff80002d11f620) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d11f620) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5f7dcaf050, 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(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff80002d11f620,ffff80002d11f570) at sys_sysctl+0x422 syscall(ffff80002d11f620) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d11f620) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5f7dcaf050, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d11f160 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff8000ffff6528 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x223f5b78f7c5e3f6 r11 0xfe128d7c79929ae4 r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff820f2715 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002d11f150 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=87105 pid=84406 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=0xffff80002a093c20,0xffff8000ffff6028 process=0xffff800037234d98 user=0xffff80002d11a000, vmspace=0xfffffd8063e3c538 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9173 230931 36139 32767 2 0x10 syz-executor 9173 107751 36139 32767 3 0x4000090 fsleep syz-executor 84406 171140 61166 32767 7 0x10 syz-executor *84406 87105 61166 32767 7 0x4000010 syz-executor 84406 259494 61166 32767 2 0x4000010 syz-executor 84406 95063 61166 32767 2 0x4000010 syz-executor 63941 265930 38705 32767 2 0x10 syz-executor 63941 175931 38705 32767 3 0x4000090 fsleep syz-executor 63941 28254 38705 32767 3 0x4000010 biowait syz-executor 86471 132203 50570 32767 2 0x10 syz-executor 86471 491525 50570 32767 3 0x4000090 fsleep syz-executor 14646 50222 58692 32767 2 0x10 syz-executor 14646 364703 58692 32767 3 0x4000090 fsleep syz-executor 38417 469540 90292 32767 3 0x90 nanoslp syz-executor 38417 46354 90292 32767 3 0x4000090 netacc syz-executor 38417 70760 90292 32767 3 0x4000090 fsleep syz-executor 60667 100527 39411 32767 3 0x90 nanoslp syz-executor 60667 58026 39411 32767 3 0x4000090 kqread syz-executor 60667 249373 39411 32767 3 0x4000090 kqsel syz-executor 61166 54109 5684 32767 3 0x90 nanoslp syz-executor 5684 36864 69327 0 3 0x82 wait syz-executor 58692 248127 99384 32767 3 0x90 nanoslp syz-executor 99384 400789 69327 0 3 0x82 wait syz-executor 36139 35167 74350 32767 3 0x90 nanoslp syz-executor 74350 494625 69327 0 3 0x82 wait syz-executor 38705 290994 82613 32767 3 0x90 nanoslp syz-executor 82613 520371 69327 0 3 0x82 wait syz-executor 90292 503107 78714 32767 3 0x90 nanoslp syz-executor 78714 499834 69327 0 3 0x82 wait syz-executor 50570 321574 36629 32767 3 0x90 nanoslp syz-executor 36629 412433 69327 0 3 0x82 wait syz-executor 48908 178874 69327 0 3 0x82 wait syz-executor 39411 515014 89893 32767 3 0x90 nanoslp syz-executor 89893 435468 69327 0 3 0x82 wait syz-executor 85988 510316 0 0 3 0x14200 bored sosplice 69327 212775 54832 0 3 0x82 kqread syz-executor 54832 57249 1224 0 3 0x10008a sigsusp ksh 1224 223937 56512 0 3 0x98 kqread sshd-session 56512 301684 40497 0 3 0x92 kqread sshd-session 58099 156353 1 0 3 0x100083 ttyin getty 40497 126652 1 0 3 0x88 kqread sshd 59341 83637 44115 73 3 0x1100090 kqread syslogd 44115 422476 1 0 3 0x100082 sbwait syslogd 96604 464020 1 0 3 0x100080 kqread resolvd 65958 267448 24411 77 3 0x100092 kqread dhcpleased 62763 188652 24411 77 3 0x100092 kqread dhcpleased 24411 459376 1 0 3 0x80 kqread dhcpleased 71849 188374 0 0 3 0x14200 bored smr 38064 187803 0 0 3 0x14200 pgzero zerothread 72258 496724 0 0 3 0x14200 aiodoned aiodoned 31881 156968 0 0 3 0x14200 syncer update 36865 170570 0 0 3 0x14200 cleaner cleaner 53809 198061 0 0 3 0x14200 reaper reaper 75809 334840 0 0 3 0x14200 pgdaemon pagedaemon 19779 179580 0 0 3 0x14200 bored viomb 93669 345588 0 0 3 0x40014200 acpi0 acpi0 72123 45280 0 0 3 0x40014200 idle1 54133 492387 0 0 3 0x14200 bored softnet3 39761 185041 0 0 3 0x14200 bored softnet2 56780 97554 0 0 3 0x14200 bored softnet1 92653 194223 0 0 3 0x14200 bored softnet0 51612 37094 0 0 3 0x14200 bored systqmp 17300 461476 0 0 3 0x14200 bored systq 6580 317517 0 0 3 0x14200 tmoslp softclockmp 28481 34020 0 0 3 0x40014200 tmoslp softclock 35842 493573 0 0 3 0x40014200 idle0 1 210551 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 84406 (syz-executor) thread 0xffff8000ffff6528 (87105) shared rwlock vmmaplk r = 0 (0xfffffd8063e3c628) #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 (0xffffffff835a4fd0) #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 (0xffffffff83481160) #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 63941 (syz-executor) thread 0xffff80002a092558 (28254) exclusive rrwlock inode r = 0 (0xfffffd80562a1d60) #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805c432700) #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 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10227 14125K 14131K 166960K 13479 0 pcb 17 24K 28K 166960K 27 0 rtable 250 7K 7K 166960K 26557 0 pf 31 16K 16K 166960K 1491 0 ifaddr 42 15K 18K 166960K 2949 0 ifgroup 50 2K 2K 166960K 2958 0 sysctl 4 1K 5K 166960K 35 0 counters 64 36K 36K 166960K 1512 0 ioctlops 0 0K 2K 166960K 1951 0 iov 0 0K 34K 166960K 4921 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1467 92K 92K 166960K 20711 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 920 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 1700 0 dirhash 21 4K 5K 166960K 1353 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 25 93K 157K 166960K 50801 0 sigio 0 0K 0K 166960K 1768 0 proc 58 79K 176K 166960K 25653 0 subproc 104 6K 12K 166960K 11102 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 11572 0 in_multi 99 7K 7K 166960K 10003 0 ether_multi 1 0K 0K 166960K 368 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 301 1341K 1341K 166960K 301 0 exec 0 0K 1K 166960K 19454 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 271 75K 131K 166960K 439637 0 UVM aobj 131 7K 7K 166960K 144 0 pinsyscall 46 92K 130K 166960K 72392 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 3702 0 NDP 17 0K 2K 166960K 2196 0 temp 75 6824K 6952K 166960K 291748 0 kqueue 13 20K 35K 166960K 8532 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 7993 0 7990 49 44 5 5 0 8 4 rtentry 112 8589 0 8471 13 9 4 4 0 8 0 unpcb 144 51406 0 51378 198 192 6 9 0 8 4 syncache 336 912 0 912 33 32 1 1 0 8 1 tcpqe 32 423 0 423 43 43 0 1 0 8 0 tcpcb 808 34511 0 34421 337 321 16 24 0 8 4 arp 120 1490 0 1472 1 0 1 1 0 8 0 ipq 40 234 0 232 5 4 1 1 0 8 0 ipqe 40 3242 0 3240 5 4 1 1 0 8 0 inpcb 336 77127 0 77034 336 321 15 26 0 8 2 ip6q 72 8 0 8 7 7 0 1 0 8 0 ip6af 40 16 0 16 7 7 0 1 0 8 0 nd6 136 2692 0 2660 14 12 2 2 0 8 0 kcovpl 48 854 0 846 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 34910 0 34424 214 182 32 34 0 8 1 art_table 32 34911 0 34424 10 5 5 5 0 8 0 art_node 16 8588 0 8480 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 15 4 3 1 1 0 8 0 semapl 112 1696 0 1686 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 926 0 895 21 16 5 5 0 8 1 dino2pl 256 67076 0 62784 271 2 269 269 0 8 0 ffsino 272 67076 0 62784 290 3 287 287 0 8 0 nchpl 144 123303 0 120111 119 0 119 119 0 8 0 uvmvnodes 80 11211 0 0 229 0 229 229 0 8 0 vnodes 216 11211 0 0 623 0 623 623 0 8 0 namei 1024 531984 0 531983 64 63 1 3 0 8 0 percpumem 16 770 0 724 1 0 1 1 0 8 0 kstatmem 264 1470 0 1448 2 0 2 2 0 8 0 scxspl 216 478130 0 478129 119 116 3 8 1 8 2 plimitpl 152 16472 0 16448 3 1 2 2 0 8 0 sigapl 424 49746 0 49690 24 17 7 9 0 8 0 futexpl 64 604962 0 604957 26 25 1 1 0 8 0 knotepl 120 2005 0 0 26 0 26 26 0 8 0 kqueuepl 216 18453 0 18441 174 172 2 9 0 8 1 pipepl 320 10611 0 10584 114 111 3 11 0 8 0 fdescpl 496 49727 0 49690 24 18 6 7 0 8 0 filepl 152 372743 0 372486 241 224 17 23 0 8 3 lockfpl 104 13795 0 13793 6 5 1 2 0 8 0 lockfspl 48 4010 0 4008 1 0 1 1 0 8 0 sessionpl 144 1102 0 1086 1 0 1 1 0 8 0 pgrppl 48 3174 0 3150 1 0 1 1 0 8 0 ucredpl 104 74769 0 74750 1 0 1 1 0 8 0 zombiepl 144 49691 0 49690 1 0 1 1 0 8 0 processpl 1160 49746 0 49690 10 5 5 6 0 8 0 procpl 648 117726 0 117658 11 4 7 8 0 8 0 srpgc 96 32 0 32 16 16 0 1 0 8 0 sosppl 168 635 0 631 20 19 1 1 0 8 0 sockpl 664 137622 0 137497 518 494 24 31 0 8 8 mcl64k 65536 50 0 0 5 2 3 3 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 875 0 0 29 7 22 28 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 5285 0 0 293 0 293 293 0 8 0 bufpl 280 80898 0 69687 802 0 802 802 0 8 0 anonpl 24 6190428 0 6183327 527 451 76 112 0 185 7 amapchunkpl 152 1420301 0 1419589 415 382 33 48 0 158 1 amappl16 200 153310 0 153191 879 861 18 39 0 8 8 amappl15 192 24 0 24 10 10 0 1 0 8 0 amappl14 184 2308 0 2297 1 0 1 1 0 8 0 amappl13 176 87 0 87 43 43 0 1 0 8 0 amappl12 168 62352 0 62315 16 13 3 3 0 8 0 amappl11 160 50 0 39 1 0 1 1 0 8 0 amappl10 152 7 0 6 2 1 1 1 0 8 0 amappl9 144 133 0 132 3 2 1 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 1909 0 1897 1 0 1 1 0 8 0 amappl6 120 7389 0 7387 1 0 1 1 0 8 0 amappl5 112 3382 0 3372 1 0 1 1 0 8 0 amappl4 104 3935 0 3916 1 0 1 1 0 8 0 amappl3 96 296258 0 296121 5 0 5 5 0 8 0 amappl2 88 15017 0 14952 7 4 3 3 0 8 0 amappl1 80 293410 0 292865 46 28 18 22 0 8 0 amappl 88 428515 0 428300 7 1 6 6 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 72 143 0 13 3 0 3 3 0 8 0 uaddrrnd 24 49727 0 49690 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 49727 0 49690 1 0 1 1 0 8 0 vmmpekpl 168 427755 0 427674 4 0 4 4 0 8 0 vmmpepl 168 3073915 0 3071778 502 398 104 142 0 357 2 vmsppl 440 49726 0 49690 11 6 5 6 0 8 0 rwobjpl 56 819800 0 807480 219 40 179 181 0 8 0 pdppl 4096 99461 0 99380 1641 1556 85 115 0 8 4 pvpl 32 46903 0 0 374 0 374 374 0 265 0 pmappl 248 49726 0 49690 13 10 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3545 0 2507 30 0 30 30 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8346fff0) 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(ffffffff835a4dc8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a4dc8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002b2fd180,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x3d sys/dev/kcov.c:164 uvm_fault(fffffd8063e3c538,e5fb6707000,0,2) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002b2fd510,e5fb6707000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002b2fd510) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7998483845f0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8346fff0) 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(ffffffff835a4dc8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a4dc8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002b2fd180,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x3d sys/dev/kcov.c:164 uvm_fault(fffffd8063e3c538,e5fb6707000,0,2) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002b2fd510,e5fb6707000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002b2fd510) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7998483845f0, 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:437 panic(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff80002d11f620,ffff80002d11f570) at sys_sysctl+0x422 syscall(ffff80002d11f620) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d11f620) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5f7dcaf050, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8063e3c538,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002d11f4b4,5,20000100,ffff80002d11f4e8,0,37,e96a6c3e95045a81) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff80002d11f620,ffff80002d11f570) at sys_sysctl+0x422 syscall(ffff80002d11f620) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d11f620) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5f7dcaf050, count: -8