panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 116555 78303 0 0 0 1 syz-executor *139018 78303 0 0 0x4000000 0K 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(fffffd806beef1e0,4000001d0000,4000001d1000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806beef1e0,4000001d0000,4000001e1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806beef1e0,4000001d0000,4000001e1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 uvm_vslock_device(ffff8000ffff9748,4000001d0040,10000,3,ffff80002a3c0920) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 physio(ffffffff82500600,d02,8000,ffffffff82500e60,ffff80002a3c0bd8) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80002a3c0a40) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806bce22b8,ffff80002a3c0bd8,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd80653a7858,ffff80002a3c0bd8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff9748,4,ffff80002a3c0bd8,1,ffff80002a3c0c90) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff8000ffff9748,ffff80002a3c0d40,ffff80002a3c0c90) at sys_pread+0xae sys/kern/vfs_syscalls.c:3305 syscall(ffff80002a3c0d40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3c0d40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10120df05a0, count: 2 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault_unwire_locked: address not in map ddb{0}> 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(fffffd806beef1e0,4000001d0000,4000001d1000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806beef1e0,4000001d0000,4000001e1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806beef1e0,4000001d0000,4000001e1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 uvm_vslock_device(ffff8000ffff9748,4000001d0040,10000,3,ffff80002a3c0920) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 physio(ffffffff82500600,d02,8000,ffffffff82500e60,ffff80002a3c0bd8) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80002a3c0a40) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806bce22b8,ffff80002a3c0bd8,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd80653a7858,ffff80002a3c0bd8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff9748,4,ffff80002a3c0bd8,1,ffff80002a3c0c90) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff8000ffff9748,ffff80002a3c0d40,ffff80002a3c0c90) at sys_pread+0xae sys/kern/vfs_syscalls.c:3305 syscall(ffff80002a3c0d40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3c0d40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10120df05a0, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a3c0670 rbx 0xffffffff8381ddc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff8000ffff9748 rax 0xffffffff8381cff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa6937fe16224c855 r11 0x985850073271f57a r12 0xffffffff8381dbc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82313235 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3c0660 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=139018 pid=78303 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=82, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff99d8,0xffff8000ffff8fa8 process=0xffff80003c5986d8 user=0xffff80002a3bb000, vmspace=0xfffffd806beef1e0 estcpu=32, cpticks=0, pctcpu=0.3, user=0, sys=3, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96712 95356 19142 0 2 0 syz-executor 98111 122405 75370 0 2 0 syz-executor 78303 116555 47924 0 7 0 syz-executor *78303 139018 47924 0 7 0x4000000 syz-executor 78303 470481 47924 0 2 0x4000080 syz-executor 78303 142724 47924 0 2 0x4000000 syz-executor 2833 442103 55417 0 2 0 syz-executor 2833 190301 55417 0 3 0x4000080 pipewr syz-executor 2833 272703 55417 0 3 0x4000080 pipewr syz-executor 71772 138817 54807 0 3 0x80 nanoslp syz-executor 71772 406832 54807 0 3 0x4000080 lockf syz-executor 71772 72608 54807 0 3 0x4000080 fsleep syz-executor 21946 346445 21241 0 3 0x80 nanoslp syz-executor 21946 272248 21241 0 3 0x4000080 kqread syz-executor 42013 161804 24127 0 3 0x80 nanoslp syz-executor 42013 308226 24127 0 3 0x4000080 tunread syz-executor 42013 305530 24127 0 3 0x4000080 fsleep syz-executor 47924 132335 3019 0 3 0x82 nanoslp syz-executor 4408 166592 0 0 3 0x14280 nfsidl nfsio 18059 168408 0 0 3 0x14280 nfsidl nfsio 865 138197 0 0 3 0x14280 nfsidl nfsio 23940 89670 0 0 3 0x14280 nfsidl nfsio 51494 84432 0 0 3 0x14280 nfsidl nfsio 19064 501254 0 0 3 0x14280 nfsidl nfsio 42475 454973 0 0 3 0x14280 nfsidl nfsio 85694 261106 0 0 3 0x14280 nfsidl nfsio 55069 78593 0 0 3 0x14280 nfsidl nfsio 30719 93420 0 0 3 0x14280 nfsidl nfsio 39209 504646 0 0 3 0x14280 nfsidl nfsio 40508 431257 0 0 3 0x14280 nfsidl nfsio 93918 385956 0 0 3 0x14280 nfsidl nfsio 97861 156842 0 0 3 0x14280 nfsidl nfsio 26114 322055 0 0 3 0x14280 nfsidl nfsio 29712 254739 0 0 3 0x14280 nfsidl nfsio 65171 481713 0 0 3 0x14280 nfsidl nfsio 89772 38927 0 0 3 0x14280 nfsidl nfsio 11 134972 0 0 3 0x14280 nfsidl nfsio 25214 19819 0 0 3 0x14280 nfsidl nfsio 61719 102180 0 0 3 0x14200 acct acct 86245 115487 0 0 3 0x14200 bored sosplice 75370 132973 3019 0 3 0x82 nanoslp syz-executor 55417 21524 3019 0 3 0x82 nanoslp syz-executor 21241 126745 3019 0 3 0x82 nanoslp syz-executor 52106 352584 3019 0 3 0x82 wait syz-executor 54807 64782 3019 0 2 0x482 syz-executor 19142 17317 3019 0 3 0x82 nanoslp syz-executor 24127 519025 3019 0 3 0x82 nanoslp syz-executor 3019 100043 41445 0 2 0x2 syz-executor 41445 226415 76579 0 3 0x10008a sigsusp ksh 76579 427988 3736 0 3 0x98 kqread sshd-session 3736 369783 22014 0 3 0x92 kqread sshd-session 15177 131005 1 0 3 0x100083 ttyopn getty 22014 212951 1 0 3 0x88 kqread sshd 24820 38294 67605 74 3 0x1100092 bpf pflogd 67605 44238 1 0 3 0x80 sbwait pflogd 9359 171434 8169 73 3 0x1100090 kqread syslogd 8169 515965 1 0 3 0x100082 sbwait syslogd 54453 104677 1 0 3 0x100080 kqread resolvd 34512 236612 82022 77 3 0x100092 kqread dhcpleased 80908 516169 82022 77 3 0x100092 kqread dhcpleased 82022 479535 1 0 3 0x80 kqread dhcpleased 92732 14487 0 0 2 0x40014200 smr 29476 234018 0 0 2 0x14200 zerothread 56702 353141 0 0 3 0x14200 aiodoned aiodoned 90771 138805 0 0 3 0x14200 syncer update 85772 42349 0 0 3 0x14200 cleaner cleaner 63283 299757 0 0 3 0x14200 reaper reaper 40169 315696 0 0 3 0x14200 pgdaemon pagedaemon 99816 4883 0 0 3 0x14200 bored viomb 11190 165034 0 0 3 0x40014200 acpi0 acpi0 68768 408461 0 0 3 0x40014200 idle1 29169 6195 0 0 3 0x14200 bored softnet3 74231 502549 0 0 3 0x14200 bored softnet2 24068 227806 0 0 3 0x14200 bored softnet1 29002 501391 0 0 3 0x14200 bored softnet0 9588 461981 0 0 3 0x14200 bored systqmp 69510 443605 0 0 3 0x14200 bored systq 92750 168108 0 0 3 0x14200 tmoslp softclockmp 16692 509789 0 0 3 0x40014200 tmoslp softclock 89497 466989 0 0 3 0x40014200 idle0 1 234657 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 78303 (syz-executor) thread 0xffff8000ffff9748 (139018) shared rwlock vmmaplk r = 0 (0xfffffd806beef2e0) #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_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1701 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1684 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 #4 physio+0x277 sys/kern/kern_physio.c:139 #5 spec_read+0x155 sys/kern/spec_vnops.c:215 #6 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #7 vn_read+0x17b sys/kern/vfs_vnops.c:369 #8 dofilereadv+0x230 sys/kern/sys_generic.c:252 #9 sys_pread+0xae sys/kern/vfs_syscalls.c:3305 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #11 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_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1701 [inline] #5 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1684 #6 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 #7 physio+0x277 sys/kern/kern_physio.c:139 #8 spec_read+0x155 sys/kern/spec_vnops.c:215 #9 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #10 vn_read+0x17b sys/kern/vfs_vnops.c:369 #11 dofilereadv+0x230 sys/kern/sys_generic.c:252 #12 sys_pread+0xae sys/kern/vfs_syscalls.c:3305 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10256 11171K 11489K 166960K 12261 0 pcb 18 14K 16K 166960K 210 0 rtable 160 5K 7K 166960K 446 0 pf 33 17K 25K 166960K 86 0 ifaddr 32 5K 7K 166960K 72 0 ifgroup 48 2K 2K 166960K 102 0 sysctl 4 1K 1K 166960K 4 0 counters 60 35K 36K 166960K 100 0 ioctlops 0 0K 4K 166960K 1556 0 iov 0 0K 16K 166960K 32 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1423 89K 90K 166960K 2061 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 16 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 706 0 sigio 0 0K 0K 166960K 23 0 proc 72 91K 115K 166960K 656 0 subproc 72 4K 4K 166960K 91 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 92 0 in_multi 63 4K 7K 166960K 142 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 283 1261K 1261K 166960K 283 0 exec 0 0K 1K 166960K 489 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 227 76K 77K 166960K 7956 0 UVM aobj 23 4K 4K 166960K 25 0 pinsyscall 43 86K 104K 166960K 1851 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 33 0 NDP 10 0K 2K 166960K 49 0 temp 80 8646K 8726K 166960K 36452 0 kqueue 14 22K 28K 166960K 118 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 64 0 61 1 0 1 1 0 8 0 rtentry 168 140 0 70 5 0 5 5 0 8 0 unpcb 144 492 0 474 7 5 2 4 0 8 1 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 233 0 228 4 3 1 4 0 8 0 arp 120 23 0 10 1 0 1 1 0 8 0 inpcb 376 831 0 819 12 7 5 8 0 8 3 nd6 136 31 0 15 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1168 11 0 11 2 1 1 1 0 8 1 pppxif 1472 2 0 2 1 0 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 3 0 1 2 1 1 1 0 482 0 pffrnode 88 3 0 1 2 1 1 1 0 8 0 pffrent 40 8 0 6 2 1 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 42 0 12 1 0 1 1 0 8 0 pfstkey 128 42 0 12 2 0 2 2 0 8 0 pfstate 376 41 0 12 4 0 4 4 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 564 0 276 29 2 27 29 0 8 5 art_table 32 565 0 276 4 0 4 4 0 8 0 art_node 16 138 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 22 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2596 0 1090 95 0 95 95 0 8 0 ffsino 280 2596 0 1090 109 0 109 109 0 8 0 nchpl 144 3560 0 3016 63 36 27 63 0 8 3 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 3169 0 0 65 0 65 65 0 8 0 vnodes 216 3169 0 0 177 0 177 177 0 8 0 namei 1024 12563 0 12563 3 2 1 2 0 8 1 percpumem 16 64 0 20 1 0 1 1 0 8 0 kstatmem 264 52 0 32 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 10922 0 10922 11 10 1 8 1 8 1 plimitpl 152 333 0 315 1 0 1 1 0 8 0 sigapl 424 1025 0 953 10 1 9 9 0 8 0 futexpl 64 9092 0 9090 1 0 1 1 0 8 0 knotepl 120 605 0 0 18 0 18 18 0 8 0 kqueuepl 216 178 0 168 1 0 1 1 0 8 0 pipepl 328 162 0 134 3 0 3 3 0 8 0 fdescpl 504 985 0 953 5 0 5 5 0 8 0 filepl 152 6055 0 5832 17 5 12 16 0 8 1 lockfpl 104 322 0 318 1 0 1 1 0 8 0 lockfspl 48 116 0 113 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 920 0 907 1 0 1 1 0 8 0 zombiepl 144 954 0 953 1 0 1 1 0 8 0 processpl 1168 1025 0 953 7 1 6 6 0 8 0 procpl 656 1921 0 1839 8 0 8 8 0 8 0 srpgc 96 10 0 10 2 1 1 1 0 8 1 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 688 1402 0 1369 21 14 7 15 0 8 3 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 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 105 0 0 14 1 13 14 0 8 0 mcl2k 2048 32 0 0 4 0 4 4 0 8 0 mtagpl 96 126 0 0 4 0 4 4 0 8 0 mbufpl 256 322 0 0 21 0 21 21 0 8 0 bufpl 280 3389 0 128 233 0 233 233 0 8 0 anonpl 24 153757 0 150365 71 46 25 70 0 184 0 amapchunkpl 152 25157 0 24668 29 5 24 26 0 158 2 amappl16 200 2967 0 2933 27 24 3 27 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 118 0 106 1 0 1 1 0 8 0 amappl13 176 15 0 15 1 1 0 1 0 8 0 amappl12 168 1654 0 1624 3 1 2 2 0 8 0 amappl11 160 78 0 64 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 254 0 253 1 0 1 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 113 0 100 1 0 1 1 0 8 0 amappl6 120 204 0 201 1 0 1 1 0 8 0 amappl5 112 132 0 122 1 0 1 1 0 8 0 amappl4 104 329 0 309 1 0 1 1 0 8 0 amappl3 96 4943 0 4830 5 1 4 4 0 8 0 amappl2 88 701 0 639 2 0 2 2 0 8 0 amappl1 80 10221 0 9640 14 0 14 14 0 8 0 amappl 88 7521 0 7351 5 0 5 5 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 128 254 0 254 2 2 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 24 0 2 1 0 1 1 0 8 0 uaddrrnd 24 985 0 953 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 985 0 953 1 0 1 1 0 8 0 vmmpekpl 168 9597 0 9557 3 0 3 3 0 8 0 vmmpepl 168 65969 0 64054 111 23 88 104 0 357 2 vmsppl 456 984 0 953 6 1 5 5 0 8 0 rwobjpl 64 23218 0 19081 68 0 68 68 0 8 0 pdppl 4096 1977 0 1906 107 34 73 83 0 8 2 pvpl 32 19461 0 0 158 1 157 157 0 265 0 pmappl 248 984 0 953 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 304 0 47 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> 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(fffffd806beef1e0,4000001d0000,4000001d1000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_wire(fffffd806beef1e0,4000001d0000,4000001e1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd806beef1e0,4000001d0000,4000001e1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 uvm_vslock_device(ffff8000ffff9748,4000001d0040,10000,3,ffff80002a3c0920) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 physio(ffffffff82500600,d02,8000,ffffffff82500e60,ffff80002a3c0bd8) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80002a3c0a40) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806bce22b8,ffff80002a3c0bd8,0,fffffd807f7d3410) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd80653a7858,ffff80002a3c0bd8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff9748,4,ffff80002a3c0bd8,1,ffff80002a3c0c90) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff8000ffff9748,ffff80002a3c0d40,ffff80002a3c0c90) at sys_pread+0xae sys/kern/vfs_syscalls.c:3305 syscall(ffff80002a3c0d40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3c0d40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x10120df05a0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029aabff0) 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 end of kernel end trace frame: 0x7a99d25a7290, count: 12 ddb{1}> trace x86_ipi_db(ffff800029aabff0) 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 end of kernel end trace frame: 0x7a99d25a7290, count: -3