panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 433220 69269 0 0 0 0 syz-executor *341980 67896 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343f8bb) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9809a0,200000020000,200000022000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003c48ca70,200000020040,10000,3,ffff800034ff73e0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82693390,d02,8000,ffffffff82693bf0,ffff800034ff7698) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff800034ff7500) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8068b8e6f0,ffff800034ff7698,0,fffffd80097fb1a0) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8066d74378,ffff800034ff7698,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c48ca70,4,ffff800034ff7698,1,ffff800034ff7750) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003c48ca70,ffff800034ff7800,ffff800034ff7750) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff800034ff7800) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034ff7800) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x984ccae2980, 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(ffffffff8343f8bb) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9809a0,200000020000,200000022000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003c48ca70,200000020040,10000,3,ffff800034ff73e0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82693390,d02,8000,ffffffff82693bf0,ffff800034ff7698) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff800034ff7500) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8068b8e6f0,ffff800034ff7698,0,fffffd80097fb1a0) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8066d74378,ffff800034ff7698,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c48ca70,4,ffff800034ff7698,1,ffff800034ff7750) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003c48ca70,ffff800034ff7800,ffff800034ff7750) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff800034ff7800) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034ff7800) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x984ccae2980, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800034ff7120 rbx 0xffff8000299deddf rdx 0 rcx 0xffff80003c48ca70 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf8c1b6659d153d42 r11 0xf22af4a142be5c2a r12 0xffff8000299debe0 r13 0 r14 0 r15 0x1 rip 0xffffffff8131e185 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800034ff7110 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=341980 pid=67896 tcnt=4 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=0xffff80003c48cf90,0xffff80003c48c7f0 process=0xffff80003c014020 user=0xffff800034ff2000, vmspace=0xfffffd806b9809a0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6110 288164 61845 0 2 0 syz-executor 69269 433220 13745 0 7 0 syz-executor 69269 68195 13745 0 2 0x4000000 syz-executor 67896 113621 64459 0 2 0 syz-executor 67896 68530 64459 0 3 0x4000080 fsleep syz-executor *67896 341980 64459 0 7 0x4000000 syz-executor 67896 314510 64459 0 2 0x4000000 syz-executor 75774 87362 77468 0 2 0 syz-executor 75774 503740 77468 0 3 0x4000080 pipewr syz-executor 75774 204337 77468 0 3 0x4000080 fsleep syz-executor 3951 194778 64920 0 2 0 syz-executor 3951 82978 64920 0 3 0x4000080 pipewr syz-executor 88364 235245 27872 0 3 0x3000 suspend syz-executor 88364 369444 27872 0 3 0x4081000 biowait syz-executor 39572 237479 0 0 3 0x14200 acct acct 37605 485855 0 0 3 0x14200 bored sosplice 61845 275581 82415 0 3 0x82 nanoslp syz-executor 13745 437940 82415 0 3 0x82 nanoslp syz-executor 64920 329677 82415 0 3 0x82 nanoslp syz-executor 82374 246302 82415 0 2 0x2 syz-executor 64459 477903 82415 0 3 0x82 nanoslp syz-executor 67293 511187 82415 0 3 0x82 nanoslp syz-executor 77468 148636 82415 0 3 0x82 nanoslp syz-executor 27872 130142 82415 0 3 0x82 nanoslp syz-executor 82415 484254 20285 0 3 0x82 kqread syz-executor 20285 288217 19784 0 3 0x10008a sigsusp ksh 19784 310082 675 0 3 0x98 kqread sshd-session 675 339639 66370 0 3 0x92 kqread sshd-session 6176 5562 1 0 3 0x100083 ttyin getty 66370 489461 1 0 3 0x88 kqread sshd 73504 45624 9130 74 3 0x1100092 bpf pflogd 9130 60041 1 0 3 0x80 sbwait pflogd 57564 195077 8923 73 3 0x1100090 kqread syslogd 8923 405148 1 0 3 0x100082 sbwait syslogd 73510 310767 1 0 3 0x100080 kqread resolvd 40916 22890 10632 77 3 0x100092 kqread dhcpleased 97715 1885 10632 77 3 0x100092 kqread dhcpleased 10632 309829 1 0 3 0x80 kqread dhcpleased 55657 392337 0 0 3 0x14200 bored smr 51911 116471 0 0 3 0x14200 pgzero zerothread 88574 239647 0 0 3 0x14200 aiodoned aiodoned 15289 349144 0 0 3 0x14200 syncer update 68673 499415 0 0 3 0x14200 cleaner cleaner 60981 395874 0 0 3 0x14200 reaper reaper 82994 258718 0 0 3 0x14200 pgdaemon pagedaemon 41444 116806 0 0 3 0x14200 bored viomb 18411 523363 0 0 3 0x40014200 acpi0 acpi0 53584 500075 0 0 3 0x40014200 idle1 54270 461981 0 0 3 0x14200 bored softnet7 30429 91952 0 0 3 0x14200 bored softnet6 43222 199646 0 0 3 0x14200 bored softnet5 93922 377495 0 0 3 0x14200 bored softnet4 92476 161014 0 0 3 0x14200 bored softnet3 48402 373812 0 0 3 0x14200 bored softnet2 92241 447383 0 0 3 0x14200 bored softnet1 83612 156970 0 0 3 0x14200 bored softnet0 59192 217586 0 0 3 0x14200 bored systqmp 15868 170299 0 0 3 0x14200 bored systq 97299 190738 0 0 3 0x14200 tmoslp softclockmp 86577 370144 0 0 3 0x40014200 tmoslp softclock 26637 331499 0 0 3 0x40014200 idle0 1 184559 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 67896 (syz-executor) thread 0xffff80003c48ca70 (341980) shared rwlock vmmaplk r = 0 (0xfffffd806b980aa0) #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+0x3e8 sys/kern/kern_rwlock.c:412 #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:748 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838dfba0) #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+0x30c sys/kern/kern_rwlock.c:392 #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:748 #16 Xsyscall+0x128 Process 88364 (syz-executor) thread 0xffff80003c48dc60 (369444) exclusive rrwlock inode r = 0 (0xfffffd806a1ef458) #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_write+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #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:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 11020K 11299K 166960K 11491 0 pcb 18 12K 12K 166960K 58 0 rtable 215 7K 7K 166960K 270 0 pf 35 17K 21K 166960K 58 0 ifaddr 43 7K 7K 166960K 48 0 ifgroup 55 2K 2K 166960K 61 0 sysctl 4 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 78 0 ioctlops 0 0K 4K 166960K 1505 0 iov 0 0K 16K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1344 85K 85K 166960K 1487 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 281 0 sigio 1 0K 0K 166960K 4 0 proc 72 115K 180K 166960K 549 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 11 0 in_multi 99 7K 7K 166960K 106 0 ether_multi 1 0K 0K 166960K 1 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 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 381 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 258 164K 178K 166960K 4349 0 UVM aobj 6 2K 2K 166960K 6 0 pinsyscall 43 86K 105K 166960K 1359 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 12 0K 2K 166960K 31 0 temp 43 8675K 8741K 166960K 14212 0 kqueue 14 22K 26K 166960K 45 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 36 0 33 1 0 1 1 0 8 0 rtentry 176 99 0 2 5 0 5 5 0 8 0 unpcb 144 143 0 126 3 0 3 3 0 8 2 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 34 0 30 1 0 1 1 0 8 0 arp 128 11 0 0 1 0 1 1 0 8 0 inpcb 328 190 0 181 2 0 2 2 0 8 1 nd6 144 18 0 0 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 5 0 5 1 0 1 1 0 8 1 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 4 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 0 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 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pfstitem 24 29 0 0 1 0 1 1 0 8 0 pfstkey 128 31 0 2 1 0 1 1 0 8 0 pfstate 384 29 0 1 3 0 3 3 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 441 0 0 28 0 28 28 0 8 0 art_table 40 442 0 0 5 0 5 5 0 8 0 art_node 32 99 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 1 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1837 0 326 96 0 96 96 0 8 1 ffsino 296 1837 0 326 118 0 118 118 0 8 1 nchpl 144 2219 0 529 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 uvmvnodes 80 1996 0 0 41 0 41 41 0 8 0 vnodes 216 1996 0 0 111 0 111 111 0 8 0 namei 1024 6801 0 6801 2 0 2 2 0 8 2 percpumem 16 54 0 5 1 0 1 1 0 8 0 kstatmem 264 32 0 6 2 0 2 2 0 8 0 scxspl 216 13499 0 13498 3 2 1 2 1 8 0 plimitpl 152 77 0 59 1 0 1 1 0 8 0 sigapl 424 585 0 529 7 0 7 7 0 8 0 knotepl 120 284 0 0 9 0 9 9 0 8 0 kqueuepl 224 60 0 50 1 0 1 1 0 8 0 pipepl 344 157 0 127 6 0 6 6 0 8 3 fdescpl 528 561 0 529 3 0 3 3 0 8 0 filepl 160 2408 0 2183 14 0 14 14 0 8 3 lockfpl 104 75 0 73 1 0 1 1 0 8 0 lockfspl 48 32 0 30 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 39 0 22 1 0 1 1 0 8 0 ucredpl 104 235 0 222 1 0 1 1 0 8 0 zombiepl 144 532 0 529 1 0 1 1 0 8 0 processpl 1248 585 0 529 5 0 5 5 0 8 0 procpl 656 870 0 806 7 0 7 7 0 8 1 sockpl 752 385 0 356 8 0 8 8 0 8 4 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 42 0 0 6 0 6 6 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 167 0 0 11 0 11 11 0 8 0 bufpl 280 6177 0 123 433 0 433 433 0 8 0 anonpl 32 11153 0 0 91 1 90 90 0 246 0 amapchunkpl 152 13471 0 12875 33 3 30 30 0 158 6 amappl16 200 3192 0 3101 26 13 13 26 0 8 8 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 113 0 101 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1199 0 1168 4 1 3 3 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 243 0 243 1 1 0 1 0 8 0 amappl8 136 49 0 46 1 0 1 1 0 8 0 amappl7 128 107 0 95 1 0 1 1 0 8 0 amappl6 120 191 0 188 1 0 1 1 0 8 0 amappl5 112 147 0 137 1 0 1 1 0 8 0 amappl4 104 293 0 272 1 0 1 1 0 8 0 amappl3 96 2234 0 2115 4 0 4 4 0 8 0 amappl2 88 626 0 562 2 0 2 2 0 8 0 amappl1 80 8733 0 8130 14 0 14 14 0 8 1 amappl 88 3657 0 3472 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 128 253 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 561 0 529 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 561 0 529 1 0 1 1 0 8 0 vmmpekpl 168 6315 0 6273 3 0 3 3 0 8 0 vmmpepl 168 43038 0 40943 108 0 108 108 0 357 13 vmsppl 488 560 0 529 5 0 5 5 0 8 1 rwobjpl 80 17201 0 14181 66 0 66 66 0 8 0 pdppl 4096 1129 0 1058 97 24 73 85 0 8 2 pvpl 32 17244 0 0 140 0 140 140 0 265 0 pmappl 256 560 0 529 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 268 0 26 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8385fff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff838df998) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838df998) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff800039c09e00,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x7c28469fa9e0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff8385fff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff838df998) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838df998) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff800039c09e00,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x7c28469fa9e0, count: -8 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(ffffffff8343f8bb) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9809a0,200000020000,200000022000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003c48ca70,200000020040,10000,3,ffff800034ff73e0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82693390,d02,8000,ffffffff82693bf0,ffff800034ff7698) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff800034ff7500) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8068b8e6f0,ffff800034ff7698,0,fffffd80097fb1a0) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8066d74378,ffff800034ff7698,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c48ca70,4,ffff800034ff7698,1,ffff800034ff7750) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003c48ca70,ffff800034ff7800,ffff800034ff7750) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff800034ff7800) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034ff7800) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x984ccae2980, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343f8bb) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806b9809a0,200000020000,200000022000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd806b9809a0,200000020000,200000031000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003c48ca70,200000020040,10000,3,ffff800034ff73e0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82693390,d02,8000,ffffffff82693bf0,ffff800034ff7698) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff800034ff7500) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd8068b8e6f0,ffff800034ff7698,0,fffffd80097fb1a0) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8066d74378,ffff800034ff7698,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c48ca70,4,ffff800034ff7698,1,ffff800034ff7750) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003c48ca70,ffff800034ff7800,ffff800034ff7750) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff800034ff7800) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034ff7800) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x984ccae2980, count: -13