panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *135221 47718 -1 0x1010 0x4080000 1K syz-executor 257707 47718 -1 0x1010 0x4080000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8340dbfe) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5c6f34,2,400000000100,ffff80003c5c6f68,0,27,9d35d6d66330722b) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c504550,ffff80003c5c70a0,ffff80003c5c6ff0) at sys_sysctl+0x425 syscall(ffff80003c5c70a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5c70a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc288243d930, 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(ffffffff8340dbfe) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5c6f34,2,400000000100,ffff80003c5c6f68,0,27,9d35d6d66330722b) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c504550,ffff80003c5c70a0,ffff80003c5c6ff0) at sys_sysctl+0x425 syscall(ffff80003c5c70a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5c70a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc288243d930, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c5c6b40 rbx 0xffff800029aacdc7 rdx 0xffff80000145b7c0 rcx 0xffff80003c504550 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe0b00f959a499289 r11 0x910690569b0d7855 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff813417e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c5c6b30 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=135221 pid=47718 tcnt=3 stat=onproc flags process=1010 proc=4080000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c5079d8 scnt=2 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c5074b8,0xffff80003c504d10 process=0xffff80003c59f2b0 user=0xffff80003c5c2000, vmspace=0xfffffd805f634580 estcpu=33, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 18396 383695 2446 0 3 0x80 nanoslp syz-executor 18396 490644 2446 0 3 0x4000080 wsevent_read syz-executor 18396 282860 2446 0 3 0x4000000 biowait syz-executor 47718 247118 89816 -1 3 0x3010 suspend syz-executor *47718 135221 89816 -1 7 0x4081010 syz-executor 47718 257707 89816 -1 7 0x4081010 syz-executor 2446 307903 83138 0 3 0x82 nanoslp syz-executor 11841 448350 21844 0 3 0x3000 suspend syz-executor 11841 355627 21844 0 3 0x4081000 mcl2k syz-executor 58847 305506 83138 0 3 0x82 piperd syz-executor 83605 475967 0 0 3 0x14280 nfsidl nfsio 29675 497879 0 0 3 0x14280 nfsidl nfsio 88538 119769 0 0 3 0x14280 nfsidl nfsio 37132 283174 0 0 3 0x14280 nfsidl nfsio 33270 504656 0 0 3 0x14280 nfsidl nfsio 55385 477656 0 0 3 0x14280 nfsidl nfsio 2527 317389 0 0 3 0x14280 nfsidl nfsio 14292 174751 0 0 3 0x14280 nfsidl nfsio 21435 269380 0 0 3 0x14280 nfsidl nfsio 72305 296974 0 0 3 0x14280 nfsidl nfsio 63616 30886 0 0 3 0x14280 nfsidl nfsio 28094 4951 0 0 3 0x14280 nfsidl nfsio 77432 270716 0 0 3 0x14280 nfsidl nfsio 61968 405732 0 0 3 0x14280 nfsidl nfsio 98215 74994 0 0 3 0x14280 nfsidl nfsio 4414 118543 0 0 3 0x14280 nfsidl nfsio 35837 96185 0 0 3 0x14280 nfsidl nfsio 74410 350758 0 0 3 0x14280 nfsidl nfsio 73437 228356 0 0 3 0x14280 nfsidl nfsio 51692 236941 0 0 3 0x14280 nfsidl nfsio 19313 490502 0 0 3 0x14200 bored sosplice 89816 496880 83138 0 3 0x82 nanoslp syz-executor 21844 483707 83138 0 3 0x82 wait syz-executor 31760 4703 83138 0 3 0x82 wait syz-executor 83225 240397 83138 0 3 0x82 wait syz-executor 67987 341445 83138 0 3 0x82 piperd syz-executor 83138 132095 19558 0 3 0x82 nanoslp syz-executor 19558 294450 12092 0 3 0x10008a sigsusp ksh 12092 242161 3656 0 3 0x98 kqread sshd-session 3656 485059 30864 0 3 0x92 kqread sshd-session 67014 59340 1 0 3 0x100083 ttyin getty 30864 496227 1 0 3 0x88 kqread sshd 84070 90459 62328 74 3 0x1100092 bpf pflogd 62328 50167 1 0 3 0x80 sbwait pflogd 89742 332813 32269 73 3 0x1100090 kqread syslogd 32269 169498 1 0 3 0x100082 sbwait syslogd 44020 329365 1 0 3 0x100080 kqread resolvd 53574 143210 43135 77 3 0x100092 kqread dhcpleased 23092 60276 43135 77 3 0x100092 kqread dhcpleased 43135 448980 1 0 3 0x80 kqread dhcpleased 66932 369775 0 0 3 0x14200 bored smr 28950 371257 0 0 3 0x14200 pgzero zerothread 38042 273695 0 0 3 0x14200 aiodoned aiodoned 75352 199543 0 0 3 0x14200 syncer update 45715 387230 0 0 3 0x14200 cleaner cleaner 62879 520232 0 0 3 0x14200 reaper reaper 43577 42061 0 0 3 0x14200 pgdaemon pagedaemon 4258 347398 0 0 3 0x14200 bored viomb 62091 47154 0 0 3 0x40014200 acpi0 acpi0 75343 488905 0 0 3 0x40014200 idle1 75847 129923 0 0 3 0x14200 bored softnet3 67743 392333 0 0 3 0x14200 bored softnet2 40995 88144 0 0 3 0x14200 bored softnet1 82238 350608 0 0 3 0x14200 bored softnet0 61744 504836 0 0 3 0x14200 bored systqmp 66799 267709 0 0 3 0x14200 bored systq 2551 183640 0 0 3 0x14200 tmoslp softclockmp 41400 196309 0 0 3 0x40014200 tmoslp softclock 69377 11808 0 0 3 0x40014200 idle0 1 232824 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 18396 (syz-executor) thread 0xffff80003c504d00 (282860) exclusive rrwlock inode r = 0 (0xfffffd806dde9cc0) #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 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 47718 (syz-executor) thread 0xffff80003c504550 (135221) shared rwlock vmmaplk r = 0 (0xfffffd805f634680) #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:1703 #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 (0xffffffff838aa530) #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_write+0x1de sys/kern/kern_rwlock.c:292 #5 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #7 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #8 vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 #9 sysctl_proc_cwd+0x2b2 sys/kern/kern_sysctl.c:2352 #10 kern_sysctl_dirs+0x2ef sys/kern/kern_sysctl.c:430 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #12 sys_sysctl+0x425 #13 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8387e3c8) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 11027K 11419K 166960K 12207 0 pcb 17 14K 16K 166960K 285 0 rtable 180 7K 9K 166960K 666 0 pf 35 18K 21K 166960K 119 0 ifaddr 35 6K 7K 166960K 107 0 ifgroup 47 2K 2K 166960K 142 0 sysctl 4 1K 1K 166960K 4 0 counters 60 35K 36K 166960K 128 0 ioctlops 0 0K 4K 166960K 1568 0 iov 0 0K 16K 166960K 106 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1395 88K 88K 166960K 2039 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 10K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 240K 166960K 1011 0 sigio 0 0K 0K 166960K 11 0 proc 78 103K 128K 166960K 827 0 subproc 63 3K 4K 166960K 144 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 236 0 in_multi 76 5K 7K 166960K 229 0 ether_multi 1 0K 0K 166960K 9 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 616 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 65K 83K 166960K 10444 0 UVM aobj 17 2K 4K 166960K 24 0 pinsyscall 39 78K 108K 166960K 2292 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 43 0 NDP 10 0K 2K 166960K 72 0 temp 58 8688K 8763K 166960K 24891 0 kqueue 14 22K 28K 166960K 146 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 120 141 0 136 2 0 2 2 0 8 1 rtentry 112 212 0 135 4 0 4 4 0 8 0 unpcb 144 784 0 764 8 4 4 6 0 8 3 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 808 198 0 193 4 0 4 4 0 8 3 arp 120 35 0 21 1 0 1 1 0 8 0 inpcb 376 1059 0 1050 12 3 9 11 0 8 7 nd6 136 50 0 30 1 0 1 1 0 8 0 pkpcb 40 39 0 39 1 1 0 1 0 8 0 kcovpl 48 16 0 9 1 0 1 1 0 8 0 ppxss 1168 18 0 18 1 0 1 1 0 8 1 pppxif 1480 3 0 3 1 1 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 3 0 2 1 0 1 1 0 482 0 pffrnode 88 3 0 2 1 0 1 1 0 8 0 pffrent 40 5 0 4 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 pfrktable 1344 4 0 2 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 94 0 14 1 0 1 1 0 8 0 pfstkey 128 100 0 21 3 0 3 3 0 8 0 pfstate 376 95 0 17 8 0 8 8 0 8 0 pfrule 1344 25 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 931 0 574 29 3 26 29 0 8 2 art_table 32 932 0 574 4 0 4 4 0 8 0 art_node 16 210 0 142 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 21 0 7 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 3020 0 1503 95 0 95 95 0 8 0 ffsino 280 3020 0 1503 109 0 109 109 0 8 0 nchpl 144 4243 0 2530 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 uvmvnodes 80 3510 0 0 72 0 72 72 0 8 0 vnodes 216 3510 0 0 195 0 195 195 0 8 0 namei 1024 14418 0 14417 2 1 1 2 0 8 0 percpumem 16 78 0 34 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 0 1 0 1 1 0 8 0 kstatmem 264 78 0 58 2 0 2 2 0 8 0 scsiplug 72 5 0 5 2 2 0 1 0 8 0 scxspl 216 14375 0 14374 10 6 4 8 1 8 3 plimitpl 152 114 0 97 1 0 1 1 0 8 0 sigapl 424 1304 0 1237 9 0 9 9 0 8 0 futexpl 64 11539 0 11539 1 0 1 1 0 8 1 knotepl 120 561 0 0 17 0 17 17 0 8 0 kqueuepl 216 260 0 249 2 0 2 2 0 8 1 pipepl 328 191 0 164 3 0 3 3 0 8 0 fdescpl 504 1264 0 1236 6 1 5 6 0 8 0 filepl 152 6930 0 6718 21 5 16 16 0 8 5 lockfpl 104 304 0 302 1 0 1 1 0 8 0 lockfspl 48 105 0 103 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 56 0 40 1 0 1 1 0 8 0 ucredpl 104 946 0 931 1 0 1 1 0 8 0 zombiepl 144 1241 0 1237 1 0 1 1 0 8 0 processpl 1176 1304 0 1237 6 0 6 6 0 8 0 procpl 656 2612 0 2540 8 0 8 8 0 8 0 srpgc 96 8 0 8 1 0 1 1 0 8 1 sosppl 168 10 0 10 1 0 1 1 0 8 1 sockpl 688 2032 0 1998 30 19 11 19 0 8 7 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k 2048 24 259 19 3 0 3 3 0 8 0 mtagpl 96 84 0 0 3 0 3 3 0 8 0 mbufpl 256 272 51 0 16 0 16 16 0 8 0 bufpl 280 4369 0 135 303 0 303 303 0 8 0 anonpl 24 179726 0 172938 49 6 43 48 0 184 2 amapchunkpl 152 32688 0 32154 29 1 28 29 0 158 3 amappl16 200 3352 0 3184 21 12 9 15 0 8 0 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 124 0 112 1 0 1 1 0 8 0 amappl13 176 1 0 1 1 1 0 1 0 8 0 amappl12 168 2031 0 2003 4 2 2 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 247 0 247 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 123 0 111 1 0 1 1 0 8 0 amappl6 120 260 0 257 1 0 1 1 0 8 0 amappl5 112 158 0 149 1 0 1 1 0 8 0 amappl4 104 351 0 332 1 0 1 1 0 8 0 amappl3 96 6537 0 6435 4 0 4 4 0 8 0 amappl2 88 758 0 695 2 0 2 2 0 8 0 amappl1 80 11047 0 10490 14 0 14 14 0 8 0 amappl 88 9974 0 9809 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 23 0 7 1 0 1 1 0 8 0 uaddrrnd 24 1264 0 1236 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1264 0 1236 1 0 1 1 0 8 0 vmmpekpl 168 11260 0 11202 3 0 3 3 0 8 0 vmmpepl 168 81752 0 79866 95 6 89 95 0 357 2 vmsppl 456 1263 0 1236 6 1 5 5 0 8 0 rwobjpl 64 26983 0 22405 74 0 74 74 0 8 0 pdppl 4096 2535 0 2472 105 32 73 87 0 8 10 pvpl 32 15526 0 0 127 1 126 126 0 265 0 pmappl 248 1263 0 1236 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 290 0 41 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83805ff0) 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(ffffffff838aa328) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa328) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3f3f50,ffff800000079f00) 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+0x95 kd_claim sys/dev/kcov.c:632 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x95 sys/dev/kcov.c:157 __mp_lock(ffffffff838aa328) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa328) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff838aa328,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:414 rw_do_enter_write(fffffd806e8062e0,1) at rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 rrw_enter(fffffd806e8062e0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd807a150eb0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 end trace frame: 0xffff80002a3f42e0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83805ff0) 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(ffffffff838aa328) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa328) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a3f3f50,ffff800000079f00) 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+0x95 kd_claim sys/dev/kcov.c:632 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x95 sys/dev/kcov.c:157 __mp_lock(ffffffff838aa328) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa328) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff838aa328,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:414 rw_do_enter_write(fffffd806e8062e0,1) at rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 rrw_enter(fffffd806e8062e0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd807a150eb0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd807a150eb0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002a3f45f8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80002a3f45f8) at namei+0x7aa sys/kern/vfs_lookup.c:250 vn_open(ffff80002a3f45f8,3,0) at vn_open+0x13f sys/kern/vfs_vnops.c:140 doopenat(ffff80003c504a70,ffffff9c,400000000180,2,0,ffff80002a3f47a0) at doopenat+0x32e sys/kern/vfs_syscalls.c:1139 syscall(ffff80002a3f4850) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3f4850) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc292b7d0a30, count: -21 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(ffffffff8340dbfe) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5c6f34,2,400000000100,ffff80003c5c6f68,0,27,9d35d6d66330722b) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c504550,ffff80003c5c70a0,ffff80003c5c6ff0) at sys_sysctl+0x425 syscall(ffff80003c5c70a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5c70a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc288243d930, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8340dbfe) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd805f634580,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5c6f38,1,400000000100,ffff80003c5c6f68,0,5717f9a0e7be7610,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5c6f34,2,400000000100,ffff80003c5c6f68,0,27,9d35d6d66330722b) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c504550,ffff80003c5c70a0,ffff80003c5c6ff0) at sys_sysctl+0x425 syscall(ffff80003c5c70a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5c70a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc288243d930, count: -9