panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *374578 66998 0 0 0x4000000 1K syz-executor 278151 51162 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343aca0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805cb90988,2000002e0000,2000002e3000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003900e030,2000002e0040,10000,3,ffff80003c42b870) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff823f3bc0,d02,8000,ffffffff823f4420,ffff80003c42bb28) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80003c42b990) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8059ee3108,ffff80003c42bb28,0,fffffd80097fb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8068bdfae0,ffff80003c42bb28,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003900e030,3,ffff80003c42bb28,1,ffff80003c42bbe0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003900e030,ffff80003c42bc90,ffff80003c42bbe0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff80003c42bc90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42bc90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x862290ab050, 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{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(ffffffff8343aca0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805cb90988,2000002e0000,2000002e3000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003900e030,2000002e0040,10000,3,ffff80003c42b870) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff823f3bc0,d02,8000,ffffffff823f4420,ffff80003c42bb28) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80003c42b990) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8059ee3108,ffff80003c42bb28,0,fffffd80097fb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8068bdfae0,ffff80003c42bb28,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003900e030,3,ffff80003c42bb28,1,ffff80003c42bbe0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003900e030,ffff80003c42bc90,ffff80003c42bbe0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff80003c42bc90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42bc90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x862290ab050, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c42b5b0 rbx 0xffff8000299dedd7 rdx 0xffff80000147b000 rcx 0xffff80003900e030 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x367b6c248293d120 r11 0x239e1d157ddb6faf r12 0xffff8000299debd8 r13 0 r14 0 r15 0x1 rip 0xffffffff825b2705 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c42b5a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=374578 pid=66998 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003900f740,0xffff80003900fc70 process=0xffff80003c41d858 user=0xffff80003c426000, vmspace=0xfffffd805cb90988 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 45809 394307 65340 0 2 0 syz-executor 45809 475274 65340 0 3 0x4000080 fsleep syz-executor 45809 38607 65340 0 3 0x4000080 fsleep syz-executor 50663 492997 83517 0 2 0x100000 sh 72554 186070 1480 0 2 0 syz-executor 72554 94409 1480 0 3 0x4000080 sbwait syz-executor 72554 304476 1480 0 2 0x4000000 syz-executor 83517 523227 1002 0 3 0x10008a sigsusp sh 59217 523940 23939 0 2 0x10 syz-executor 59217 332697 23939 0 3 0x4000090 lockf syz-executor 59217 268269 23939 0 3 0x4000090 fsleep syz-executor 85052 265265 76566 0 2 0 syz-executor 85052 265917 76566 0 3 0x4000080 fsleep syz-executor 1002 74645 51162 0 3 0x82 wait syz-executor 24122 438167 9739 0 2 0 syz-executor 24122 128972 9739 0 3 0x4000080 fsleep syz-executor 24122 22093 9739 0 2 0x4000000 syz-executor 24122 283190 9739 0 3 0x4000080 fsleep syz-executor 66998 234730 24417 0 2 0 syz-executor *66998 374578 24417 0 7 0x4000000 syz-executor 66998 470107 24417 0 2 0x4000000 syz-executor 63647 334972 51162 0 2 0x2 syz-executor 46367 445044 0 0 3 0x14200 bored sosplice 23939 160813 51162 0 2 0x2 syz-executor 9739 213947 51162 0 3 0x82 nanoslp syz-executor 1480 246024 51162 0 3 0x82 nanoslp syz-executor 65340 90015 51162 0 3 0x82 nanoslp syz-executor 24417 370438 51162 0 3 0x82 nanoslp syz-executor 76566 518680 51162 0 3 0x82 nanoslp syz-executor 51162 278151 11555 0 7 0x3 syz-executor 11555 308069 9860 0 3 0x10008a sigsusp ksh 9860 185994 53763 0 3 0x98 kqread sshd-session 53763 114406 83252 0 3 0x92 kqread sshd-session 83529 466519 1 0 3 0x100083 ttyin getty 83252 372015 1 0 3 0x88 kqread sshd 8637 360243 57913 74 3 0x1100092 bpf pflogd 57913 354946 1 0 3 0x80 sbwait pflogd 83523 289728 49240 73 3 0x1100090 kqread syslogd 49240 11515 1 0 3 0x100082 sbwait syslogd 24664 36445 1 0 3 0x100080 kqread resolvd 96734 229410 97298 77 3 0x100092 kqread dhcpleased 84611 245618 97298 77 3 0x100092 kqread dhcpleased 97298 139642 1 0 3 0x80 kqread dhcpleased 99042 173074 0 0 3 0x14200 bored smr 68833 30665 0 0 2 0x14200 zerothread 17421 88378 0 0 3 0x14200 aiodoned aiodoned 41210 191014 0 0 3 0x14200 syncer update 37774 397919 0 0 3 0x14200 cleaner cleaner 9049 351073 0 0 3 0x14200 reaper reaper 86661 138708 0 0 3 0x14200 pgdaemon pagedaemon 33681 137858 0 0 3 0x14200 bored viomb 84010 327506 0 0 3 0x40014200 acpi0 acpi0 2496 81805 0 0 3 0x40014200 idle1 38588 299591 0 0 3 0x14200 bored softnet3 92662 48370 0 0 3 0x14200 bored softnet2 5151 206456 0 0 3 0x14200 bored softnet1 77630 124209 0 0 3 0x14200 bored softnet0 20943 386414 0 0 3 0x14200 bored systqmp 51394 416392 0 0 3 0x14200 bored systq 79511 57172 0 0 3 0x14200 tmoslp softclockmp 32168 470610 0 0 3 0x40014200 tmoslp softclock 9265 27285 0 0 3 0x40014200 idle0 1 191175 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 66998 (syz-executor) thread 0xffff80003900e030 (374578) shared rwlock vmmaplk r = 0 (0xfffffd805cb90a88) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x36e sys/kern/kern_rwlock.c:397 #2 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1765 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1748 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #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:3303 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839f1408) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2da sys/kern/kern_synch.c:366 #3 rw_do_enter_read+0x2ac sys/kern/kern_rwlock.c:379 #4 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #5 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #6 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1745 #8 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #9 physio+0x277 sys/kern/kern_physio.c:139 #10 spec_read+0x155 sys/kern/spec_vnops.c:215 #11 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #12 vn_read+0x17b sys/kern/vfs_vnops.c:369 #13 dofilereadv+0x230 sys/kern/sys_generic.c:252 #14 sys_pread+0xae sys/kern/vfs_syscalls.c:3303 #15 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #16 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 11027K 12192K 166960K 12644 0 pcb 19 14K 16K 166960K 131 0 rtable 166 6K 8K 166960K 450 0 pf 34 17K 21K 166960K 124 0 ifaddr 34 5K 7K 166960K 69 0 ifgroup 55 2K 2K 166960K 99 0 sysctl 2 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 102 0 ioctlops 0 0K 4K 166960K 1675 0 iov 0 0K 16K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1424 90K 90K 166960K 2121 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 25 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 800 0 sigio 0 0K 0K 166960K 18 0 proc 73 91K 140K 166960K 661 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 105 0 in_multi 66 4K 7K 166960K 126 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 6 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 490 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 243 177K 191K 166960K 8989 0 UVM aobj 25 3K 3K 166960K 25 0 pinsyscall 43 86K 102K 166960K 1969 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 25 0 NDP 12 0K 2K 166960K 45 0 temp 54 8690K 8810K 166960K 24820 0 kqueue 14 22K 30K 166960K 165 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 82 0 79 1 0 1 1 0 8 0 rtentry 176 134 0 62 6 0 6 6 0 8 0 unpcb 144 667 0 647 6 5 1 6 0 8 0 syncache 336 8 0 8 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 736 261 0 253 8 3 5 5 0 8 4 arp 128 21 0 8 1 0 1 1 0 8 0 inpcb 328 779 0 765 11 2 9 10 0 8 7 nd6 144 30 0 12 1 0 1 1 0 8 0 pkpcb 40 5 0 5 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 1 0 1 0 8 0 ppxss 1192 11 0 11 1 0 1 1 0 8 1 pppxif 1504 2 0 2 2 2 0 1 0 8 0 pffrag 232 5 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 2 1 0 1 1 0 8 0 pffrent 40 7 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 3 0 3 1 1 0 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pftag 88 1 0 1 1 1 0 1 0 8 0 pfstitem 24 47 0 17 1 0 1 1 0 8 0 pfstkey 128 47 0 17 2 0 2 2 0 8 0 pfstate 384 47 0 17 5 0 5 5 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 566 0 248 29 5 24 29 0 8 1 art_table 32 568 0 248 4 0 4 4 0 8 0 art_node 16 132 0 68 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 8 1 0 1 1 0 8 0 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 22 0 0 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 2875 0 1366 95 0 95 95 0 8 0 ffsino 288 2875 0 1366 109 0 109 109 0 8 0 nchpl 144 3981 0 2281 64 0 64 64 0 8 0 uvmvnodes 80 3398 0 0 70 0 70 70 0 8 0 vnodes 216 3398 0 0 189 0 189 189 0 8 0 namei 1024 13133 0 13133 3 2 1 2 0 8 1 percpumem 16 66 0 17 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 58 0 30 3 1 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 4 0 4 2 1 1 1 0 8 1 scxspl 216 32077 0 32077 10 8 2 8 1 8 2 plimitpl 152 143 0 126 1 0 1 1 0 8 0 sigapl 424 1109 0 1058 7 1 6 7 0 8 0 knotepl 120 642 0 0 20 0 20 20 0 8 0 kqueuepl 224 250 0 239 3 1 2 2 0 8 1 pipepl 336 174 0 147 3 0 3 3 0 8 0 fdescpl 520 1090 0 1058 3 0 3 3 0 8 0 filepl 160 6260 0 6036 17 0 17 17 0 8 5 lockfpl 104 237 0 233 1 0 1 1 0 8 0 lockfspl 48 106 0 103 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 50 0 33 1 0 1 1 0 8 0 ucredpl 104 844 0 830 1 0 1 1 0 8 0 zombiepl 144 1058 0 1058 1 0 1 1 0 8 1 processpl 1240 1109 0 1058 5 0 5 5 0 8 0 procpl 656 2276 0 2213 7 0 7 7 0 8 0 srpgc 96 10 0 10 1 0 1 1 0 8 1 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 728 1553 0 1516 18 7 11 15 0 8 6 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 38 0 0 5 1 4 5 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 174 0 0 11 0 11 11 0 8 0 bufpl 280 13361 0 7218 439 0 439 439 0 8 0 anonpl 32 15609 0 0 126 0 126 126 0 246 0 amapchunkpl 152 31570 0 31015 41 7 34 37 0 158 10 amappl16 200 5759 0 5728 47 31 16 36 0 8 7 amappl15 192 19 0 19 1 1 0 1 0 8 0 amappl14 184 127 0 115 1 0 1 1 0 8 0 amappl13 176 35 0 35 1 1 0 1 0 8 0 amappl12 168 1772 0 1740 3 1 2 2 0 8 0 amappl11 160 62 0 48 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 322 0 322 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 195 0 181 1 0 1 1 0 8 0 amappl6 120 220 0 216 1 0 1 1 0 8 0 amappl5 112 126 0 116 1 0 1 1 0 8 0 amappl4 104 341 0 322 1 0 1 1 0 8 0 amappl3 96 5780 0 5669 4 0 4 4 0 8 0 amappl2 88 713 0 649 2 0 2 2 0 8 0 amappl1 80 12221 0 11610 16 1 15 15 0 8 1 amappl 88 8108 0 7943 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 128 255 0 255 3 2 1 1 0 8 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 24 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1090 0 1058 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1090 0 1058 1 0 1 1 0 8 0 vmmpekpl 168 10763 0 10721 3 0 3 3 0 8 0 vmmpepl 168 78748 0 76751 119 9 110 119 0 357 10 vmsppl 480 1089 0 1058 6 1 5 5 0 8 0 rwobjpl 72 27990 0 23617 84 0 84 84 0 8 0 pdppl 4096 2187 0 2116 105 32 73 83 0 8 2 pvpl 32 25383 0 0 206 1 205 205 0 265 0 pmappl 256 1089 0 1058 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 401 0 47 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83883ff0) 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(ffffffff839f1200) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839f1200) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrgenio(ffff80002a2ba7c8,32,0,ffff800000b38bc0,4) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff80002a2ba7c8,32,0,ffff800000b38bc0,4) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilereadv(ffff80002a2ba7c8,32,ffff80002a2e6c88,0,ffff80002a2e6d40) at dofilereadv+0x42f sys/kern/sys_generic.c:268 sys_read(ffff80002a2ba7c8,ffff80002a2e6df0,ffff80002a2e6d40) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80002a2e6df0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e6df0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x737105430a80, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83883ff0) 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(ffffffff839f1200) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839f1200) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrgenio(ffff80002a2ba7c8,32,0,ffff800000b38bc0,4) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff80002a2ba7c8,32,0,ffff800000b38bc0,4) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilereadv(ffff80002a2ba7c8,32,ffff80002a2e6c88,0,ffff80002a2e6d40) at dofilereadv+0x42f sys/kern/sys_generic.c:268 sys_read(ffff80002a2ba7c8,ffff80002a2e6df0,ffff80002a2e6d40) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80002a2e6df0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e6df0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x737105430a80, 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:438 panic(ffffffff8343aca0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805cb90988,2000002e0000,2000002e3000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003900e030,2000002e0040,10000,3,ffff80003c42b870) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff823f3bc0,d02,8000,ffffffff823f4420,ffff80003c42bb28) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80003c42b990) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8059ee3108,ffff80003c42bb28,0,fffffd80097fb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8068bdfae0,ffff80003c42bb28,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003900e030,3,ffff80003c42bb28,1,ffff80003c42bbe0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003900e030,ffff80003c42bc90,ffff80003c42bbe0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff80003c42bc90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42bc90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x862290ab050, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343aca0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd805cb90988,2000002e0000,2000002e3000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd805cb90988,2000002e0000,2000002f1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003900e030,2000002e0040,10000,3,ffff80003c42b870) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff823f3bc0,d02,8000,ffffffff823f4420,ffff80003c42bb28) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80003c42b990) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8059ee3108,ffff80003c42bb28,0,fffffd80097fb7b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8068bdfae0,ffff80003c42bb28,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003900e030,3,ffff80003c42bb28,1,ffff80003c42bbe0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003900e030,ffff80003c42bc90,ffff80003c42bbe0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff80003c42bc90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42bc90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x862290ab050, count: -13