panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *329337 87755 32767 0x10 0x4000000 1 syz-executor 514505 97896 32767 0x10 0 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83412e2f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000100,11) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c529f64,1,400000000100,ffff80003c529f98,0,0,5c276ae9f36918fa) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000fffeef90,ffff80003c52a0d0,ffff80003c52a020) at sys_sysctl+0x425 syscall(ffff80003c52a0d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52a0d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15df74d9360, count: 6 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(ffffffff83412e2f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000100,11) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c529f64,1,400000000100,ffff80003c529f98,0,0,5c276ae9f36918fa) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000fffeef90,ffff80003c52a0d0,ffff80003c52a020) at sys_sysctl+0x425 syscall(ffff80003c52a0d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52a0d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15df74d9360, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c529be0 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff8000fffeef90 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1c5a154414c1981b r11 0x13f2f34e8306af9c r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82c65d85 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c529bd0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=329337 pid=87755 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffee030,0xffff8000fffefc70 process=0xffff8000ffff24e0 user=0xffff80003c525000, vmspace=0xfffffd806be23ae0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 98930 403126 81892 32767 2 0x10 syz-executor 98930 236713 81892 32767 2 0x4000010 syz-executor 52360 334785 31610 32767 2 0x10 syz-executor 52360 352633 31610 32767 2 0x4000010 syz-executor 87755 188802 35786 32767 2 0x10 syz-executor 87755 54810 35786 32767 2 0x4000010 syz-executor *87755 329337 35786 32767 7 0x4000010 syz-executor 87755 441414 35786 32767 3 0x4000010 vmmaplk syz-executor 77375 225682 0 0 3 0x14200 bored sosplice 26200 88055 5755 32767 2 0x10 syz-executor 26200 301598 5755 32767 3 0x4000090 fsleep syz-executor 26200 501128 5755 32767 3 0x4000090 ttyout syz-executor 26200 487852 5755 32767 3 0x4000090 fsleep syz-executor 54988 173228 46122 32767 2 0x10 syz-executor 54988 93270 46122 32767 3 0x4000090 sbwait syz-executor 54988 502739 46122 32767 3 0x4000090 fsleep syz-executor 31760 212438 92061 32767 2 0x10 syz-executor 31760 405232 92061 32767 3 0x4000090 ttyout syz-executor 31760 356189 92061 32767 3 0x4000090 fsleep syz-executor 31760 488403 92061 32767 3 0x4000090 fsleep syz-executor 5755 170986 71848 32767 3 0x90 nanoslp syz-executor 35786 447877 51468 32767 3 0x90 nanoslp syz-executor 92061 310674 12001 32767 2 0x10 syz-executor 46122 186242 75608 32767 2 0x10 syz-executor 97896 514505 70155 32767 7 0x10 syz-executor 31610 472793 82416 32767 3 0x90 nanoslp syz-executor 81892 262045 85739 32767 3 0x90 nanoslp syz-executor 30376 95834 28133 32767 2 0x10 syz-executor 70155 113895 97843 0 3 0x82 wait syz-executor 82416 367532 97843 0 3 0x82 wait syz-executor 51468 242574 97843 0 3 0x82 wait syz-executor 12001 513576 97843 0 3 0x82 wait syz-executor 28133 198866 97843 0 3 0x82 wait syz-executor 75608 487854 97843 0 3 0x82 wait syz-executor 85739 146867 97843 0 3 0x82 wait syz-executor 71848 313443 97843 0 3 0x82 wait syz-executor 97843 459576 97882 0 2 0x82 syz-executor 97882 210458 15941 0 3 0x10008a sigsusp ksh 15941 383794 84861 0 3 0x98 kqread sshd-session 84861 187896 44018 0 3 0x92 kqread sshd-session 19133 54455 1 0 3 0x100083 ttyin getty 44018 213167 1 0 3 0x88 kqread sshd 70406 423182 66271 73 3 0x1100090 kqread syslogd 66271 157026 1 0 3 0x100082 sbwait syslogd 14604 471332 1 0 3 0x100080 kqread resolvd 45421 504460 30400 77 3 0x100092 kqread dhcpleased 6806 280605 30400 77 3 0x100092 kqread dhcpleased 30400 272378 1 0 3 0x80 kqread dhcpleased 15412 347015 0 0 3 0x14200 bored smr 15546 364913 0 0 2 0x14200 zerothread 72879 266576 0 0 3 0x14200 aiodoned aiodoned 36054 438967 0 0 3 0x14200 syncer update 36200 66980 0 0 3 0x14200 cleaner cleaner 68827 27171 0 0 3 0x14200 reaper reaper 32039 286637 0 0 3 0x14200 pgdaemon pagedaemon 5073 275366 0 0 3 0x14200 bored viomb 68766 344232 0 0 3 0x40014200 acpi0 acpi0 64987 249231 0 0 3 0x40014200 idle1 84860 384398 0 0 3 0x14200 bored softnet3 99870 90922 0 0 3 0x14200 bored softnet2 41071 388786 0 0 3 0x14200 bored softnet1 61235 471442 0 0 3 0x14200 bored softnet0 94546 235951 0 0 3 0x14200 bored systqmp 49567 144650 0 0 3 0x14200 bored systq 45294 488039 0 0 3 0x14200 tmoslp softclockmp 60864 315227 0 0 3 0x40014200 tmoslp softclock 44645 366240 0 0 3 0x40014200 idle0 1 246816 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 87755 (syz-executor) thread 0xffff8000fffee030 (54810) exclusive rrwlock inode r = 0 (0xfffffd806c2601f0) #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_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #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:577 #9 Xsyscall+0x128 Process 87755 (syz-executor) thread 0xffff8000fffeef90 (329337) shared rwlock vmmaplk r = 0 (0xfffffd806be23be0) #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_unwire+0x3e sys/uvm/uvm_fault.c:1701 #3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #4 kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8393bb28) #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:412 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701 #6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #7 kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 #8 sys_sysctl+0x425 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837f1128) #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_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187 #3 kern_sysctl+0x9e0 sys/kern/kern_sysctl.c:628 #4 sys_sysctl+0x425 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10189 10954K 10965K 166960K 11268 0 pcb 17 12K 12K 166960K 17 0 rtable 248 7K 7K 166960K 375 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 2 1K 1K 166960K 2 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 35 0 iov 0 0K 8K 166960K 8 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1332 84K 84K 166960K 1410 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 12 0K 1K 166960K 17 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 125K 166960K 306 0 sigio 0 0K 0K 166960K 1 0 proc 58 79K 103K 166960K 495 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 33 0 in_multi 99 7K 7K 166960K 108 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 1 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 353 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 244 74K 88K 166960K 4135 0 UVM aobj 5 2K 2K 166960K 6 0 pinsyscall 46 92K 114K 166960K 1316 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 27 0 NDP 11 0K 2K 166960K 27 0 temp 39 8683K 8747K 166960K 4314 0 kqueue 14 22K 28K 166960K 55 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 49 0 46 1 0 1 1 0 8 0 rtentry 160 118 0 1 5 0 5 5 0 8 0 unpcb 144 338 0 316 4 0 4 4 0 8 3 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 808 107 0 101 5 0 5 5 0 8 3 arp 120 18 0 0 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 376 300 0 290 9 0 9 9 0 8 6 nd6 136 31 0 0 2 0 2 2 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 484 0 0 31 0 31 31 0 8 0 art_table 32 485 0 0 4 0 4 4 0 8 0 art_node 16 117 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 3 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1819 0 316 95 0 95 95 0 8 0 ffsino 280 1819 0 316 108 0 108 108 0 8 0 nchpl 144 2246 0 570 63 0 63 63 0 8 0 uvmvnodes 80 1900 0 0 39 0 39 39 0 8 0 vnodes 216 1900 0 0 106 0 106 106 0 8 0 namei 1024 6929 0 6929 1 0 1 1 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 6913 0 6913 3 1 2 2 1 8 2 plimitpl 152 67 0 40 2 0 2 2 0 8 0 sigapl 424 581 0 525 8 0 8 8 0 8 1 futexpl 64 2539 0 2534 1 0 1 1 0 8 0 knotepl 120 306 0 0 10 0 10 10 0 8 0 kqueuepl 216 113 0 101 3 0 3 3 0 8 2 pipepl 328 123 0 95 3 0 3 3 0 8 0 fdescpl 504 562 0 525 7 1 6 6 0 8 0 filepl 152 2849 0 2624 12 0 12 12 0 8 2 lockfpl 104 41 0 39 1 0 1 1 0 8 0 lockfspl 48 17 0 15 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 33 0 9 1 0 1 1 0 8 0 ucredpl 104 450 0 431 1 0 1 1 0 8 0 zombiepl 144 526 0 525 1 0 1 1 0 8 0 processpl 1176 581 0 525 5 0 5 5 0 8 0 procpl 656 898 0 829 7 0 7 7 0 8 0 sockpl 688 691 0 656 10 0 10 10 0 8 6 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 12 0 0 2 0 2 2 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 208 0 0 13 0 13 13 0 8 0 bufpl 280 2466 0 124 168 0 168 168 0 8 0 anonpl 24 101664 0 98415 46 0 46 46 0 184 20 amapchunkpl 152 12923 0 12366 31 0 31 31 0 158 7 amappl16 200 1609 0 1586 15 0 15 15 0 8 13 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 127 0 117 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 0 1 1 0 8 1 amappl12 168 1154 0 1117 2 0 2 2 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 10 0 9 2 1 1 1 0 8 0 amappl9 144 267 0 267 1 1 0 1 0 8 0 amappl8 136 18 0 16 1 0 1 1 0 8 0 amappl7 128 94 0 84 1 0 1 1 0 8 0 amappl6 120 165 0 162 1 0 1 1 0 8 0 amappl5 112 125 0 119 1 0 1 1 0 8 0 amappl4 104 281 0 266 1 0 1 1 0 8 0 amappl3 96 2274 0 2144 4 0 4 4 0 8 0 amappl2 88 630 0 577 2 0 2 2 0 8 0 amappl1 80 8608 0 8063 14 0 14 14 0 8 0 amappl 88 3778 0 3584 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 1 1 0 1 1 0 8 0 uaddrrnd 24 562 0 525 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 562 0 525 1 0 1 1 0 8 0 vmmpekpl 168 6380 0 6345 2 0 2 2 0 8 0 vmmpepl 168 40714 0 38717 106 0 106 106 0 357 13 vmsppl 456 561 0 525 7 1 6 6 0 8 0 rwobjpl 64 15827 0 13085 48 0 48 48 0 8 1 pdppl 4096 1131 0 1050 107 22 85 97 0 8 4 pvpl 32 15653 0 0 127 0 127 127 0 265 0 pmappl 248 561 0 525 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 287 0 25 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83804ff0) 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 tsleep(fffffd806f50a5b8,11,ffffffff8331af60,0) at tsleep+0x139 sys/kern/kern_synch.c:131 getblk(fffffd8009b1f6c0,1fa500,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1017 bread(fffffd8009b1f6c0,1fa500,4000,ffff800037cba808) at bread+0x47 bio_doread sys/kern/vfs_bio.c:422 [inline] bread(fffffd8009b1f6c0,1fa500,4000,ffff800037cba808) at bread+0x47 sys/kern/vfs_bio.c:467 ffs_update(fffffd806df41128,0) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff800037cba8c8) at ufs_inactive+0x2e5 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(fffffd80627411b8,ffff80002a35f728) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd80627411b8) at vput+0xe5 sys/kern/vfs_subr.c:797 vn_closefile(fffffd8069686558,ffff80002a35f728) at vn_closefile+0x13f sys/kern/vfs_vnops.c:616 fdrop(fffffd8069686558,ffff80002a35f728) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd8069686558,ffff80002a35f728) at closef+0x192 sys/kern/kern_descrip.c:1249 end trace frame: 0xffff800037cbab30, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83804ff0) 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 tsleep(fffffd806f50a5b8,11,ffffffff8331af60,0) at tsleep+0x139 sys/kern/kern_synch.c:131 getblk(fffffd8009b1f6c0,1fa500,4000,0,ffffffffffffffff) at getblk+0x197 sys/kern/vfs_bio.c:1017 bread(fffffd8009b1f6c0,1fa500,4000,ffff800037cba808) at bread+0x47 bio_doread sys/kern/vfs_bio.c:422 [inline] bread(fffffd8009b1f6c0,1fa500,4000,ffff800037cba808) at bread+0x47 sys/kern/vfs_bio.c:467 ffs_update(fffffd806df41128,0) at ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff800037cba8c8) at ufs_inactive+0x2e5 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(fffffd80627411b8,ffff80002a35f728) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vput(fffffd80627411b8) at vput+0xe5 sys/kern/vfs_subr.c:797 vn_closefile(fffffd8069686558,ffff80002a35f728) at vn_closefile+0x13f sys/kern/vfs_vnops.c:616 fdrop(fffffd8069686558,ffff80002a35f728) at fdrop+0x126 sys/kern/kern_descrip.c:1265 closef(fffffd8069686558,ffff80002a35f728) at closef+0x192 sys/kern/kern_descrip.c:1249 syscall(ffff800037cbab40) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037cbab40) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7864fc9560b0, count: -16 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(ffffffff83412e2f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000100,11) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c529f64,1,400000000100,ffff80003c529f98,0,0,5c276ae9f36918fa) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000fffeef90,ffff80003c52a0d0,ffff80003c52a020) at sys_sysctl+0x425 syscall(ffff80003c52a0d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52a0d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15df74d9360, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83412e2f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806be23ae0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000100,11) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c529f64,1,400000000100,ffff80003c529f98,0,0,5c276ae9f36918fa) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000fffeef90,ffff80003c52a0d0,ffff80003c52a020) at sys_sysctl+0x425 syscall(ffff80003c52a0d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52a0d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15df74d9360, count: -9