panic: uvm_fault_unwire_locked: address WnoRtN IiGn :m p NOTp eLdO WaEtRED ON SYSCALL 73 57344 EXIT 0 a db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *350433 11620 0 0 0x4000000 1 syz-executor 109357 11620 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f1eed) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cb029a0,200000040000,200000044000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002f3d9248,200000040040,10000,3,ffff80003c427f68) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff822634e0,d02,8000,ffffffff82263d30,ffff80003c428248) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c4280a0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8066af1610,ffff80003c428248,0,fffffd80097fd478) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806c9247c0,ffff80003c428248,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002f3d9248,5,ffff80003c428248,1,ffff80003c428300) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002f3d9248,ffff80003c4283b0,ffff80003c428300) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c4283b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4283b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x132c77f28d0, 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(ffffffff833f1eed) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cb029a0,200000040000,200000044000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002f3d9248,200000040040,10000,3,ffff80003c427f68) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff822634e0,d02,8000,ffffffff82263d30,ffff80003c428248) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c4280a0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8066af1610,ffff80003c428248,0,fffffd80097fd478) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806c9247c0,ffff80003c428248,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002f3d9248,5,ffff80003c428248,1,ffff80003c428300) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002f3d9248,ffff80003c4283b0,ffff80003c428300) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c4283b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4283b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x132c77f28d0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c427cb0 rbx 0xffff8000299eee07 rdx 0 rcx 0xffff80002f3d9248 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd178e9fe27feba79 r11 0xb98b932a4f4509cb r12 0xffff8000299eec08 r13 0 r14 0 r15 0x1 rip 0xffffffff8256d365 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c427ca0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=350433 pid=11620 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=0xffff80002f3d82b8,0xffff80002f3d9a20 process=0xffff8000fffe8e90 user=0xffff80003c423000, vmspace=0xfffffd806cb029a0 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 11620 424791 16061 0 2 0 syz-executor *11620 350433 16061 0 7 0x4000000 syz-executor 11620 109357 16061 0 7 0x4000000 syz-executor 11620 172130 16061 0 2 0x4000000 syz-executor 4804 51359 47270 0 3 0x80 fsleep syz-executor 4804 494874 47270 0 3 0x4000080 kqread syz-executor 11886 482893 65540 0 3 0x80 fsleep syz-executor 11886 440462 65540 0 3 0x4000080 ttyin syz-executor 59944 136783 45470 0 3 0x80 fsleep syz-executor 59944 190903 45470 0 3 0x4000080 kqread syz-executor 47270 270507 1359 0 3 0x82 nanoslp syz-executor 84359 432740 56 0 3 0x80 fsleep syz-executor 84359 136041 56 0 3 0x4000080 sbwait syz-executor 54115 366103 40064 0 3 0x80 fsleep syz-executor 54115 466539 40064 0 3 0x4000080 pipewr syz-executor 14035 298520 1359 0 3 0x82 wait syz-executor 45470 146599 1359 0 3 0x82 nanoslp syz-executor 56 462418 1359 0 3 0x82 nanoslp syz-executor 60220 417101 1359 0 3 0x82 wait syz-executor 40064 42242 1359 0 3 0x82 nanoslp syz-executor 65540 79664 1359 0 3 0x82 nanoslp syz-executor 16061 414767 1359 0 3 0x82 nanoslp syz-executor 1359 156380 21048 0 3 0x82 kqread syz-executor 21048 247215 57714 0 3 0x10008a sigsusp ksh 57714 435999 80364 0 3 0x98 kqread sshd-session 80364 86534 33647 0 3 0x92 kqread sshd-session 7028 486429 1 0 3 0x100083 ttyopn getty 33647 325214 1 0 3 0x88 kqread sshd 85186 439970 83958 74 3 0x1100092 bpf pflogd 83958 259958 1 0 3 0x80 sbwait pflogd 83918 48916 83419 73 3 0x1100090 kqread syslogd 83419 372005 1 0 3 0x100082 sbwait syslogd 91641 7233 1 0 3 0x100080 kqread resolvd 54126 219541 94790 77 3 0x100092 kqread dhcpleased 56492 178399 94790 77 3 0x100092 kqread dhcpleased 94790 18904 1 0 3 0x80 kqread dhcpleased 23414 391136 0 0 3 0x14200 bored smr 6745 343049 0 0 3 0x14200 pgzero zerothread 36114 227317 0 0 3 0x14200 aiodoned aiodoned 23173 424362 0 0 3 0x14200 syncer update 74431 516355 0 0 3 0x14200 cleaner cleaner 40004 333762 0 0 3 0x14200 reaper reaper 49318 323596 0 0 3 0x14200 pgdaemon pagedaemon 4101 450888 0 0 3 0x14200 bored viomb 49396 59963 0 0 3 0x40014200 acpi0 acpi0 58698 350821 0 0 3 0x40014200 idle1 92127 490846 0 0 3 0x14200 bored softnet1 75774 207997 0 0 3 0x14200 bored softnet0 74390 349423 0 0 3 0x14200 bored systqmp 88532 314312 0 0 3 0x14200 bored systq 12240 35500 0 0 3 0x14200 tmoslp softclockmp 56620 215386 0 0 3 0x40014200 tmoslp softclock 54595 331065 0 0 3 0x40014200 idle0 1 161772 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839ff3e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #4 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #5 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:-1 #6 amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1039 #7 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #8 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1300 #9 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #10 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #12 Xsyscall+0x128 Process 11620 (syz-executor) thread 0xffff80002f3d9248 (350433) shared rwlock vmmaplk r = 0 (0xfffffd806cb02aa0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1743 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1726 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #4 physio+0x257 sys/kern/kern_physio.c:139 #5 spec_read+0x14b sys/kern/spec_vnops.c:215 #6 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #7 vn_read+0x17b sys/kern/vfs_vnops.c:369 #8 dofilereadv+0x25a sys/kern/sys_generic.c:252 #9 sys_pread+0xae sys/kern/vfs_syscalls.c:3307 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8398c4b0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #3 rw_do_enter_read+0x309 sys/kern/kern_rwlock.c:-1 #4 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #5 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #6 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1723 #8 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #9 physio+0x257 sys/kern/kern_physio.c:139 #10 spec_read+0x14b sys/kern/spec_vnops.c:215 #11 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #12 vn_read+0x17b sys/kern/vfs_vnops.c:369 #13 dofilereadv+0x25a sys/kern/sys_generic.c:252 #14 sys_pread+0xae sys/kern/vfs_syscalls.c:3307 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #16 Xsyscall+0x128 Process 11620 (syz-executor) thread 0xffff80002f3d9a10 (109357) exclusive rwlock amaplk r = 0 (0xfffffd805edf8370) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 amap_unref+0x3d sys/uvm/uvm_amap.c:1331 #3 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #4 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11113K 11286K 166960K 11450 0 pcb 18 14K 16K 166960K 124 0 rtable 217 6K 7K 166960K 401 0 pf 35 17K 18K 166960K 52 0 ifaddr 43 7K 7K 166960K 53 0 ifgroup 55 2K 2K 166960K 63 0 sysctl 3 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 74 0 ioctlops 0 0K 4K 166960K 1504 0 iov 0 0K 20K 166960K 73 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1339 84K 84K 166960K 1462 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 9 0K 0K 166960K 11 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 85K 166960K 300 0 sigio 0 0K 0K 166960K 5 0 proc 72 115K 147K 166960K 575 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 17 0 in_multi 99 7K 7K 166960K 116 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 395 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 250 168K 168K 166960K 4500 0 UVM aobj 7 4K 4K 166960K 7 0 pinsyscall 43 86K 98K 166960K 1450 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 16 0 NDP 14 0K 1K 166960K 33 0 temp 41 8663K 8730K 166960K 13282 0 kqueue 15 24K 29K 166960K 58 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 42 0 39 1 0 1 1 0 8 0 rtentry 176 123 0 26 6 0 6 6 0 8 0 unpcb 144 109 0 90 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 71 0 65 4 0 4 4 0 8 3 arp 136 20 0 2 1 0 1 1 0 8 0 inpcb 328 419 0 407 7 0 7 7 0 8 6 nd6 152 27 0 3 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 2 0 2 1 0 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 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 pfstitem 24 29 0 0 1 0 1 1 0 8 0 pfstkey 128 30 0 1 1 0 1 1 0 8 0 pfstate 448 30 0 1 4 0 4 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 527 0 109 31 0 31 31 0 8 4 art_table 40 528 0 109 5 0 5 5 0 8 0 art_node 32 123 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 7 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1829 0 315 95 0 95 95 0 8 0 ffsino 296 1829 0 315 117 0 117 117 0 8 0 nchpl 144 2252 0 550 64 0 64 64 0 8 0 vnodes 216 1973 0 0 110 0 110 110 0 8 0 namei 1024 7319 0 7319 1 0 1 1 0 8 1 percpumem 16 52 0 3 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 1 0 0 1 0 1 1 0 8 0 kstatmem 264 32 0 6 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 13737 0 13737 4 1 3 3 1 8 3 plimitpl 152 52 0 34 1 0 1 1 0 8 0 sigapl 424 606 0 558 6 0 6 6 0 8 0 knotepl 120 519 0 0 16 0 16 16 0 8 0 kqueuepl 224 131 0 120 5 0 5 5 0 8 4 pipepl 344 140 0 109 3 0 3 3 0 8 0 fdescpl 528 590 0 558 3 0 3 3 0 8 0 filepl 160 2927 0 2692 13 0 13 13 0 8 3 lockfpl 104 58 0 56 1 0 1 1 0 8 0 lockfspl 48 26 0 24 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 36 0 19 1 0 1 1 0 8 0 ucredpl 104 357 0 344 1 0 1 1 0 8 0 zombiepl 144 560 0 558 1 0 1 1 0 8 0 processpl 1232 606 0 558 5 0 5 5 0 8 0 procpl 664 845 0 789 6 0 6 6 0 8 0 sockpl 752 571 0 537 11 0 11 11 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 133 0 0 17 0 17 17 0 8 0 mcl2k 2048 30 0 0 4 0 4 4 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 1203 0 0 76 0 76 76 0 8 0 bufpl 280 6009 0 130 420 0 420 420 0 8 0 anonpl 32 11577 0 0 94 0 94 94 0 246 0 amapchunkpl 152 13679 0 13108 27 1 26 26 0 158 1 amappl16 200 2699 0 2670 28 13 15 27 0 8 8 amappl15 192 25 0 25 1 1 0 1 0 8 0 amappl14 184 4 0 4 1 1 0 1 0 8 0 amappl13 176 439 0 438 1 0 1 1 0 8 0 amappl12 168 952 0 909 3 0 3 3 0 8 0 amappl11 160 30 0 29 1 0 1 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 88 0 87 1 0 1 1 0 8 0 amappl6 120 310 0 297 1 0 1 1 0 8 0 amappl5 112 81 0 70 1 0 1 1 0 8 0 amappl4 104 418 0 389 1 0 1 1 0 8 0 amappl3 96 2198 0 2102 4 1 3 3 0 8 0 amappl2 88 687 0 612 2 0 2 2 0 8 0 amappl1 80 9723 0 9126 15 1 14 15 0 8 1 amappl 88 3734 0 3564 5 0 5 5 0 92 1 uvmvnodes 80 104 0 0 3 0 3 3 0 8 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 1 1 1 0 8 1 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 591 0 559 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 591 0 559 1 0 1 1 0 8 0 vmmpekpl 168 6557 0 6515 3 0 3 3 0 8 0 vmmpepl 168 45372 0 43410 106 0 106 106 0 357 15 vmsppl 488 590 0 559 5 0 5 5 0 8 0 rwobjpl 80 15865 0 14832 31 0 31 31 0 8 6 pdppl 4096 1191 0 1119 94 20 74 81 0 8 2 pvpl 32 20288 0 0 164 0 164 164 0 265 0 pmappl 256 591 0 559 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 340 0 23 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386bff0) 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x13200b38070, count: 10 ddb{0}> trace x86_ipi_db(ffffffff8386bff0) 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x13200b38070, count: -5 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(ffffffff833f1eed) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cb029a0,200000040000,200000044000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002f3d9248,200000040040,10000,3,ffff80003c427f68) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff822634e0,d02,8000,ffffffff82263d30,ffff80003c428248) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c4280a0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8066af1610,ffff80003c428248,0,fffffd80097fd478) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806c9247c0,ffff80003c428248,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002f3d9248,5,ffff80003c428248,1,ffff80003c428300) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002f3d9248,ffff80003c4283b0,ffff80003c428300) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c4283b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4283b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x132c77f28d0, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f1eed) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806cb029a0,200000040000,200000044000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806cb029a0,200000040000,200000051000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002f3d9248,200000040040,10000,3,ffff80003c427f68) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff822634e0,d02,8000,ffffffff82263d30,ffff80003c428248) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c4280a0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8066af1610,ffff80003c428248,0,fffffd80097fd478) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806c9247c0,ffff80003c428248,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002f3d9248,5,ffff80003c428248,1,ffff80003c428300) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002f3d9248,ffff80003c4283b0,ffff80003c428300) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c4283b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4283b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x132c77f28d0, count: -13