login:   panic: uvm_fault_unwire_locked: address not in map Starting stack trace... WARNING: SPL NOpaTn iLcO(WfEffRED fONf fSff83YS3CdfAaLLd 07)3 a4t8 7424 EXIT 0 a Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND 406079 46005 0 0 0x4000000 1K syz-executor * 79267 46005 0 0 0x4000000 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0xa5a3f2d4d90, count: 14 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 *cpu1: uvm_fault_unwire_locked: address not in map ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0xa5a3f2d4d90, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002ebd8230 rbx 0 rdx 0xffff80000147e300 rcx 0xffff80003c456d38 rax 0x37 r8 0xffff80002ebd8160 r9 0 r10 0x53bec490192b5230 r11 0x1e7aa1e18716f0c0 r12 0 r13 0 r14 0xffff80003c456d38 r15 0 rip 0xffffffff81e043ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002ebd81b0 ss 0 savectx+0xae: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=79267 pid=46005 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033fe8d28,0xffff80003c457510 process=0xffff8000fffe04f8 user=0xffff80002ebd3000, vmspace=0xfffffd805eff59b0 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 56001 472208 72813 0 2 0 syz-executor 56001 176353 72813 0 3 0x4000080 fsleep syz-executor 55633 87359 72983 0 2 0 syz-executor 55633 191899 72983 0 3 0x4000080 kqread syz-executor 95958 207747 76710 0 2 0 syz-executor 95958 4435 76710 0 3 0x4000000 biowait syz-executor 46346 78047 94505 0 3 0x80 nanoslp syz-executor 46346 114869 94505 0 3 0x4000080 fsleep syz-executor 46005 252735 65821 0 2 0 syz-executor 46005 406079 65821 0 7 0x4000000 syz-executor *46005 79267 65821 0 7 0x4000000 syz-executor 65821 150826 51036 0 3 0x82 nanoslp syz-executor 72983 382391 51036 0 3 0x82 nanoslp syz-executor 57631 450767 0 0 3 0x14200 acct acct 80782 96013 0 0 3 0x14280 nfsidl nfsio 15189 249044 0 0 3 0x14280 nfsidl nfsio 27023 425470 0 0 3 0x14280 nfsidl nfsio 16233 494615 0 0 3 0x14280 nfsidl nfsio 57641 111826 0 0 3 0x14280 nfsidl nfsio 76250 136553 0 0 3 0x14280 nfsidl nfsio 27010 327924 0 0 3 0x14280 nfsidl nfsio 95379 252740 0 0 3 0x14280 nfsidl nfsio 13153 484970 0 0 3 0x14280 nfsidl nfsio 54591 116145 0 0 3 0x14280 nfsidl nfsio 28806 373595 0 0 3 0x14280 nfsidl nfsio 14606 474421 0 0 3 0x14280 nfsidl nfsio 55878 45321 0 0 3 0x14280 nfsidl nfsio 18150 312208 0 0 3 0x14280 nfsidl nfsio 9614 500122 0 0 3 0x14280 nfsidl nfsio 21840 284117 0 0 3 0x14280 nfsidl nfsio 8557 81010 0 0 3 0x14280 nfsidl nfsio 37046 254251 0 0 3 0x14280 nfsidl nfsio 6602 393939 0 0 3 0x14280 nfsidl nfsio 36859 445417 0 0 3 0x14280 nfsidl nfsio 75661 282498 1 0 3 0x100083 ttyopn getty 76710 451431 51036 0 3 0x82 nanoslp syz-executor 3565 124190 51036 0 3 0x82 wait syz-executor 72813 481131 51036 0 3 0x82 nanoslp syz-executor 94505 153244 51036 0 2 0x2 syz-executor 34414 365508 51036 0 3 0x82 wait syz-executor 56503 485536 51036 0 3 0x82 wait syz-executor 51036 502007 93858 0 3 0x82 kqread syz-executor 93858 441601 36986 0 3 0x10008a sigsusp ksh 36986 42652 55435 0 3 0x98 kqread sshd-session 55435 509110 84558 0 3 0x92 kqread sshd-session 84558 99174 1 0 3 0x88 kqread sshd 46155 452877 21341 74 3 0x1100092 bpf pflogd 21341 121822 1 0 3 0x80 sbwait pflogd 37191 432307 68575 73 3 0x1100090 kqread syslogd 68575 425811 1 0 3 0x100082 sbwait syslogd 56506 431719 1 0 3 0x100080 kqread resolvd 63396 280446 30927 77 3 0x100092 kqread dhcpleased 54814 139661 30927 77 3 0x100092 kqread dhcpleased 30927 334173 1 0 3 0x80 kqread dhcpleased 97334 391517 0 0 3 0x14200 bored smr 22911 481970 0 0 2 0x14200 zerothread 7155 309491 0 0 3 0x14200 aiodoned aiodoned 60224 53967 0 0 3 0x14200 syncer update 86683 362928 0 0 3 0x14200 cleaner cleaner 327 167579 0 0 3 0x14200 reaper reaper 69440 377155 0 0 3 0x14200 pgdaemon pagedaemon 85825 33657 0 0 3 0x14200 bored viomb 65642 500427 0 0 3 0x40014200 acpi0 acpi0 84289 380552 0 0 3 0x40014200 idle1 40522 479245 0 0 3 0x14200 bored softnet1 22856 508878 0 0 3 0x14200 bored softnet0 23545 267435 0 0 3 0x14200 bored systqmp 16858 151117 0 0 3 0x14200 bored systq 6249 370713 0 0 3 0x14200 tmoslp softclockmp 36504 304076 0 0 3 0x40014200 tmoslp softclock 94169 85619 0 0 3 0x40014200 idle0 1 202493 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839ab438) #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+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #3 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #4 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:-1 #5 amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1039 #6 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1300 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #9 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #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 Process 56001 (syz-executor) thread 0xffff80003c457268 (472208) exclusive rwlock vmmaplk r = 0 (0xfffffd805eff58c8) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #7 recall_trap+0x8 Process 95958 (syz-executor) thread 0xffff80003c457a30 (4435) exclusive rrwlock inode r = 0 (0xfffffd806c1c1a20) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 46005 (syz-executor) thread 0xffff80003c456808 (406079) shared rwlock vmmaplk r = 0 (0xfffffd805eff5ab0) #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 (0xffffffff83901248) #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 46005 (syz-executor) thread 0xffff80003c456d38 (79267) exclusive rwlock amaplk r = 0 (0xfffffd806b1c8bc0) #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 exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839ab438) #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+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #3 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #4 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:-1 #5 amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1039 #6 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1300 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #9 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10198 11028K 11215K 166960K 11773 0 pcb 17 15K 17K 166960K 265 0 rtable 209 7K 9K 166960K 523 0 pf 38 18K 22K 166960K 153 0 ifaddr 38 6K 8K 166960K 93 0 ifgroup 49 2K 2K 166960K 152 0 sysctl 4 1K 9K 166960K 12 0 counters 66 36K 37K 166960K 144 0 ioctlops 0 0K 4K 166960K 1839 0 iov 0 0K 16K 166960K 48 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1342 84K 85K 166960K 1991 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 43 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 932 0 sigio 0 0K 0K 166960K 14 0 proc 72 115K 164K 166960K 652 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 149 0 in_multi 77 5K 7K 166960K 164 0 ether_multi 1 0K 0K 166960K 12 0 mrt 1 0K 0K 166960K 11 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 691 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 259 168K 174K 166960K 10538 0 UVM aobj 31 12K 12K 166960K 32 0 pinsyscall 43 86K 102K 166960K 2100 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 45 0 NDP 11 0K 2K 166960K 59 0 temp 64 8660K 8729K 166960K 40508 0 kqueue 14 22K 28K 166960K 167 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 176 0 173 3 2 1 3 0 8 0 rtentry 176 160 0 71 6 0 6 6 0 8 0 unpcb 144 751 0 734 7 6 1 7 0 8 0 syncache 336 5 0 5 3 3 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 222 0 216 5 3 2 4 0 8 1 arp 136 27 0 10 1 0 1 1 0 8 0 inpcb 328 1006 0 994 12 4 8 8 0 8 6 nd6 152 32 0 12 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 22 0 21 3 2 1 1 0 8 0 pppxif 1504 10 0 10 3 2 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 9 0 5 1 0 1 1 0 482 0 pffrnode 88 9 0 5 1 0 1 1 0 8 0 pffrent 40 17 0 13 1 0 1 1 0 8 0 pfosfp 40 1496 0 1070 5 0 5 5 0 8 0 pfosfpen 112 1496 0 777 21 0 21 21 0 8 0 pfrktable 1344 7 0 5 2 1 1 1 0 8 0 pfanchor 1288 4 0 2 2 1 1 1 0 8 0 pftag 88 2 0 2 2 1 1 1 0 8 1 pfstitem 24 60 0 14 1 0 1 1 0 8 0 pfstkey 128 64 0 18 2 0 2 2 0 8 0 pfstate 384 61 0 16 5 0 5 5 0 8 0 pfrule 1344 27 0 21 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 669 0 299 30 4 26 30 0 8 2 art_table 40 671 0 299 5 0 5 5 0 8 0 art_node 32 160 0 82 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 39 0 29 1 0 1 1 0 8 0 shmpl 112 25 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3075 0 1557 96 0 96 96 0 8 0 ffsino 296 3075 0 1557 118 0 118 118 0 8 0 nchpl 144 4324 0 2608 64 0 64 64 0 8 0 vnodes 216 3391 0 0 189 0 189 189 0 8 0 namei 1024 14842 0 14842 5 3 2 2 0 8 2 percpumem 16 87 0 39 1 0 1 1 0 8 0 vcpupl 3968 4 0 0 1 0 1 1 0 8 0 vmpool 840 4 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 2 2 1 1 1 0 8 0 kstatmem 264 78 0 54 3 0 3 3 0 8 0 scsiplug 72 6 0 6 2 1 1 1 0 8 1 scxspl 216 18842 0 18841 7 6 1 5 1 8 0 plimitpl 152 231 0 213 1 0 1 1 0 8 0 sigapl 424 1235 0 1166 9 1 8 8 0 8 0 knotepl 120 558 0 0 17 0 17 17 0 8 0 kqueuepl 224 310 0 298 4 2 2 3 0 8 1 pipepl 344 185 0 158 3 0 3 3 0 8 0 fdescpl 528 1198 0 1166 3 0 3 3 0 8 0 filepl 160 7582 0 7357 24 10 14 19 0 8 2 lockfpl 104 264 0 262 1 0 1 1 0 8 0 lockfspl 48 120 0 118 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 46 0 29 1 0 1 1 0 8 0 ucredpl 104 1273 0 1260 1 0 1 1 0 8 0 zombiepl 144 1422 0 1419 1 0 1 1 0 8 0 processpl 1232 1235 0 1166 6 0 6 6 0 8 0 procpl 664 2624 0 2549 9 1 8 8 0 8 0 sosppl 176 6 0 5 2 1 1 1 0 8 0 sockpl 752 1971 0 1939 23 12 11 23 0 8 6 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 42 0 0 6 0 6 6 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1169 0 0 74 0 74 74 0 8 0 bufpl 280 6812 0 674 439 0 439 439 0 8 0 anonpl 32 9600 0 0 78 0 78 78 0 246 0 amapchunkpl 152 35278 0 34728 43 8 35 35 0 158 3 amappl16 200 4099 0 4065 30 16 14 16 0 8 7 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 455 0 454 1 0 1 1 0 8 0 amappl12 168 1585 0 1542 3 0 3 3 0 8 0 amappl11 160 10 0 10 2 2 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 90 0 87 1 0 1 1 0 8 0 amappl6 120 304 0 291 1 0 1 1 0 8 0 amappl5 112 77 0 67 1 0 1 1 0 8 0 amappl4 104 436 0 405 1 0 1 1 0 8 0 amappl3 96 5876 0 5773 4 1 3 3 0 8 0 amappl2 88 1314 0 1236 2 0 2 2 0 8 0 amappl1 80 12600 0 11999 14 0 14 14 0 8 0 amappl 88 9608 0 9428 5 0 5 5 0 92 0 uvmvnodes 80 128 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 128 257 0 257 4 3 1 1 0 8 1 dma64 64 7 0 7 2 1 1 1 0 8 1 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 31 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1198 0 1166 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1198 0 1166 1 0 1 1 0 8 0 vmmpekpl 168 11573 0 11525 3 0 3 3 0 8 0 vmmpepl 168 82707 0 80708 106 6 100 100 0 357 4 vmsppl 488 1197 0 1166 6 1 5 5 0 8 0 rwobjpl 80 24623 0 23511 31 2 29 29 0 8 1 pdppl 4096 2411 0 2336 107 32 75 83 0 8 0 pvpl 32 17020 0 0 140 2 138 138 0 265 0 pmappl 256 1201 0 1166 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 355 0 47 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0xa5a3f2d4d90, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 db_elf_sym_search(ffffffff81a940d0,2,ffff80003c4b4980) at db_elf_sym_search+0x2df sys/ddb/db_elf.c:280 db_printsym(ffffffff81a940d0,2,ffffffff81a946f0) at db_printsym+0x90 db_search_symbol sys/ddb/db_sym.c:106 [inline] db_printsym(ffffffff81a940d0,2,ffffffff81a946f0) at db_printsym+0x90 sys/ddb/db_sym.c:150 db_stack_trace_print(ffff80003c4b4b30,1,100,ffffffff8334b153,ffffffff81a946f0) at db_stack_trace_print+0x8ca sys/arch/amd64/amd64/db_trace.c:208 db_stack_dump() at db_stack_dump+0xa5 sys/ddb/db_output.c:243 panic(ffffffff833dfad0) at panic+0x1d0 sys/kern/subr_prf.c:229 uvm_fault_unwire_locked(fffffd805eff59b0,200000500000,200000503000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd805eff59b0,200000500000,20000050d000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd805eff59b0,200000500000,20000050d000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80003c456808,200000500040,cc00,3,ffff80003c4b4de8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8101c680,d02,8000,ffffffff8101ced0,ffff80003c4b50c8) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c4b4f20) at spec_read+0x14b sys/kern/spec_vnops.c:215 end trace frame: 0xffff80003c4b4f90, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 db_elf_sym_search(ffffffff81a940d0,2,ffff80003c4b4980) at db_elf_sym_search+0x2df sys/ddb/db_elf.c:280 db_printsym(ffffffff81a940d0,2,ffffffff81a946f0) at db_printsym+0x90 db_search_symbol sys/ddb/db_sym.c:106 [inline] db_printsym(ffffffff81a940d0,2,ffffffff81a946f0) at db_printsym+0x90 sys/ddb/db_sym.c:150 db_stack_trace_print(ffff80003c4b4b30,1,100,ffffffff8334b153,ffffffff81a946f0) at db_stack_trace_print+0x8ca sys/arch/amd64/amd64/db_trace.c:208 db_stack_dump() at db_stack_dump+0xa5 sys/ddb/db_output.c:243 panic(ffffffff833dfad0) at panic+0x1d0 sys/kern/subr_prf.c:229 uvm_fault_unwire_locked(fffffd805eff59b0,200000500000,200000503000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd805eff59b0,200000500000,20000050d000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd805eff59b0,200000500000,20000050d000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80003c456808,200000500040,cc00,3,ffff80003c4b4de8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8101c680,d02,8000,ffffffff8101ced0,ffff80003c4b50c8) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c4b4f20) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805ec82538,ffff80003c4b50c8,0,fffffd80097fb5b0) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806b34b238,ffff80003c4b50c8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c456808,3,ffff80003c4b50c8,1,ffff80003c4b5180) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80003c456808,ffff80003c4b5230,ffff80003c4b5180) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c4b5230) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4b5230) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa5af7565b20, count: -20