panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *111355 7001 0 0 0x4000000 1 syz-executor.2 179382 56091 0 0x2 0x4000000 0 syz-execprog db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8311cedc) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1695 uvm_fault_unwire(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1658 kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a0c2a60,ffff80002a115850,ffff80002a1157a0) at sys_sysctl+0x425 syscall(ffff80002a115850) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a115850) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x42452004aa0, count: 7 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:437 panic(ffffffff8311cedc) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1695 uvm_fault_unwire(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1658 kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a0c2a60,ffff80002a115850,ffff80002a1157a0) at sys_sysctl+0x425 syscall(ffff80002a115850) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a115850) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x42452004aa0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a1153a0 rbx 0xffff800029b5cdbf rdx 0x3fd rcx 0 rax 0x33 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5f52c79216d1dd88 r11 0xfcfb5917a0173895 r12 0xffff800029b5cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff812baf25 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a115390 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) tid=111355 pid=7001 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=81, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a095468,0xffff80002a0c2050 process=0xffff80002a09c930 user=0xffff80002a110000, vmspace=0xfffffd806882dc60 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 7001 390516 50311 0 2 0 syz-executor.2 * 7001 111355 50311 0 7 0x4000000 syz-executor.2 7001 105650 50311 0 2 0x4000000 syz-executor.2 54339 375768 56091 0 3 0x82 nanoslp syz-executor.4 27081 302159 56091 0 3 0x82 nanoslp syz-executor.3 50311 156025 56091 0 3 0x82 nanoslp syz-executor.2 90150 484143 56091 0 3 0x82 nanoslp syz-executor.6 31059 375821 56091 0 2 0x2 syz-executor.7 64469 515011 56091 0 3 0x82 nanoslp syz-executor.5 20828 35906 56091 0 3 0x2 biowait syz-executor.1 10721 327485 56091 0 2 0x2 syz-executor.0 56091 337510 76464 0 3 0x82 wait syz-execprog 56091 506574 76464 0 3 0x4000082 nanoslp syz-execprog 56091 494354 76464 0 3 0x4000082 wait syz-execprog 56091 446507 76464 0 3 0x4000082 wait syz-execprog 56091 368150 76464 0 3 0x4000082 wait syz-execprog 56091 132506 76464 0 3 0x4000082 thrsleep syz-execprog 56091 79769 76464 0 3 0x4000082 wait syz-execprog 56091 277011 76464 0 3 0x4000082 thrsleep syz-execprog 56091 440318 76464 0 2 0x4000082 syz-execprog 56091 231907 76464 0 3 0x4000082 wait syz-execprog 56091 475542 76464 0 3 0x4000082 wait syz-execprog 56091 362656 76464 0 3 0x4000082 thrsleep syz-execprog 56091 287004 76464 0 3 0x4000082 wait syz-execprog 56091 202589 76464 0 3 0x4000082 thrsleep syz-execprog 56091 257579 76464 0 3 0x4000082 thrsleep syz-execprog 56091 179382 76464 0 7 0x4000002 syz-execprog 76464 184058 66318 0 3 0x10008a sigsusp ksh 66318 457848 34351 0 3 0x98 kqread sshd-session 34351 450578 60979 0 3 0x92 kqread sshd-session 47897 14173 1 0 3 0x100083 ttyin getty 60979 476691 1 0 3 0x88 kqread sshd 62443 446144 63795 73 3 0x1100090 kqread syslogd 63795 3931 1 0 3 0x100082 sbwait syslogd 57977 520571 1 0 3 0x100080 kqread resolvd 55264 335122 59844 77 3 0x100092 kqread dhcpleased 99132 254109 59844 77 3 0x100092 kqread dhcpleased 59844 192744 1 0 3 0x80 kqread dhcpleased 64984 43196 0 0 3 0x14200 bored smr 43875 361425 0 0 3 0x14200 pgzero zerothread 17106 198380 0 0 3 0x14200 aiodoned aiodoned 50781 454138 0 0 3 0x14200 syncer update 93553 407983 0 0 3 0x14200 cleaner cleaner 98630 39855 0 0 3 0x14200 reaper reaper 90269 358172 0 0 3 0x14200 pgdaemon pagedaemon 59024 33802 0 0 3 0x14200 bored viomb 41343 175386 0 0 3 0x40014200 acpi0 acpi0 11584 134568 0 0 3 0x40014200 idle1 94095 46135 0 0 3 0x14200 bored softnet3 84858 478641 0 0 3 0x14200 bored softnet2 5376 24709 0 0 3 0x14200 bored softnet1 33790 87714 0 0 3 0x14200 bored softnet0 68970 521249 0 0 3 0x14200 bored systqmp 98216 55697 0 0 3 0x14200 bored systq 62617 69896 0 0 3 0x14200 tmoslp softclockmp 73963 275379 0 0 3 0x40014200 tmoslp softclock 89250 190330 0 0 3 0x40014200 idle0 1 521785 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 7001 (syz-executor.2) thread 0xffff80002a0c2a60 (111355) shared rwlock vmmaplk r = 0 (0xfffffd806882dd58) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1657 #3 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #3 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8365fd70) #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+0x2f2 sys/kern/kern_synch.c:423 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1657 #6 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #6 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #7 sys_sysctl+0x425 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8354b940) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 20828 (syz-executor.1) thread 0xffff80002a0aa7c8 (35906) exclusive rrwlock inode r = 0 (0xfffffd8067a533d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069099c58) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10177 11046K 11059K 166960K 11258 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 6K 166960K 374 0 pf 31 16K 16K 166960K 34 0 ifaddr 42 7K 7K 166960K 48 0 ifgroup 50 2K 2K 166960K 55 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 2K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1260 79K 79K 166960K 1276 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 11 37K 93K 166960K 4799 0 proc 57 78K 103K 166960K 500 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 398 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 236 75K 77K 166960K 47704 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 33 66K 104K 166960K 6089 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 11 0K 2K 166960K 30 0 temp 1 6868K 6932K 166960K 18596 0 kqueue 13 20K 20K 166960K 46 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 35 0 32 1 0 1 1 0 8 0 rtentry 112 122 0 12 4 0 4 4 0 8 0 unpcb 144 67 0 52 1 0 1 1 0 8 0 syncache 336 9 0 9 2 2 0 1 0 8 0 tcpcb 808 12 0 9 1 0 1 1 0 8 0 arp 120 20 0 2 1 0 1 1 0 8 0 inpcb 336 66 0 60 1 0 1 1 0 8 0 nd6 136 27 0 3 2 1 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 48 32 3 29 29 0 8 0 art_table 32 502 0 48 5 1 4 4 0 8 0 art_node 16 121 0 21 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 6250 0 4731 95 0 95 95 0 8 0 ffsino 272 6250 0 4731 102 0 102 102 0 8 0 nchpl 144 20441 0 18656 67 0 67 67 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 30636 0 30635 4 3 1 2 0 8 0 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 36353 0 36352 10 9 1 8 1 8 0 plimitpl 152 58 0 42 1 0 1 1 0 8 0 sigapl 424 5130 0 5085 9 3 6 7 0 8 0 futexpl 64 18847 0 18847 2 1 1 1 0 8 1 knotepl 120 111 0 0 4 0 4 4 0 8 0 kqueuepl 216 42 0 33 1 0 1 1 0 8 0 pipepl 320 180 0 152 5 2 3 3 0 8 0 fdescpl 496 5112 0 5089 8 4 4 5 0 8 0 filepl 152 11303 0 11172 7 1 6 6 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 34 0 18 1 0 1 1 0 8 0 pgrppl 48 34 0 18 1 0 1 1 0 8 0 ucredpl 104 111 0 100 1 0 1 1 0 8 0 zombiepl 144 5089 0 5085 2 1 1 1 0 8 0 processpl 1160 5130 0 5085 5 1 4 4 0 8 0 procpl 648 12314 0 12252 9 2 7 7 0 8 0 sockpl 664 168 0 144 5 2 3 3 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 179 0 0 21 0 21 21 0 8 0 mcl2k 2048 13 0 0 2 0 2 2 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 236 0 0 13 0 13 13 0 8 0 bufpl 280 8954 0 2702 447 0 447 447 0 8 0 anonpl 24 617551 0 612941 63 33 30 55 0 185 0 amapchunkpl 152 152441 0 151918 40 13 27 27 0 158 3 amappl16 200 13812 0 13729 10 5 5 5 0 8 0 amappl15 192 87 0 87 2 2 0 1 0 8 0 amappl14 184 221 0 210 3 2 1 2 0 8 0 amappl13 176 24 0 24 2 2 0 1 0 8 0 amappl12 168 5809 0 5786 3 1 2 2 0 8 0 amappl11 160 65 0 54 1 0 1 1 0 8 0 amappl10 152 85 0 74 2 1 1 1 0 8 0 amappl9 144 421 0 421 2 2 0 1 0 8 0 amappl8 136 245 0 209 2 0 2 2 0 8 0 amappl7 128 222 0 202 3 1 2 2 0 8 0 amappl6 120 339 0 333 4 2 2 2 0 8 0 amappl5 112 187 0 179 1 0 1 1 0 8 0 amappl4 104 505 0 484 3 2 1 2 0 8 0 amappl3 96 30723 0 30662 4 1 3 3 0 8 1 amappl2 88 5861 0 5791 6 4 2 4 0 8 0 amappl1 80 28495 0 27974 33 21 12 22 0 8 0 amappl 88 46969 0 46824 7 2 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 5112 0 5089 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5112 0 5089 1 0 1 1 0 8 0 vmmpekpl 168 29443 0 29396 3 0 3 3 0 8 0 vmmpepl 168 274545 0 272978 127 38 89 118 0 357 10 vmsppl 448 5111 0 5089 6 2 4 5 0 8 0 rwobjpl 56 86912 0 80058 107 9 98 98 0 8 0 pdppl 4096 10231 0 10178 151 84 67 81 0 8 14 pvpl 32 49198 0 0 398 1 397 397 0 265 0 pmappl 248 5111 0 5089 5 2 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 438 0 96 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83488ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff8365fb68) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8365fb68) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a1e1210,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp8(fffffd806ef7d360,ffff80002a1e1658) at __sanitizer_cov_trace_const_cmp8+0x3b sys/dev/kcov.c:237 kqueue_scan(ffff80002a1e1450,8,ffff80002a1e1550,ffff80002a1e1658,ffff80002a0bb478,ffff80002a1e1698) at kqueue_scan+0x21e sys/kern/kern_event.c:1509 sys_kevent(ffff80002a0bb478,ffff80002a1e17e0,ffff80002a1e1730) at sys_kevent+0x720 sys/kern/kern_event.c:1177 syscall(ffff80002a1e17e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a1e17e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f4e4f320, count: 4 ddb{0}> trace x86_ipi_db(ffffffff83488ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff8365fb68) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8365fb68) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a1e1210,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp8(fffffd806ef7d360,ffff80002a1e1658) at __sanitizer_cov_trace_const_cmp8+0x3b sys/dev/kcov.c:237 kqueue_scan(ffff80002a1e1450,8,ffff80002a1e1550,ffff80002a1e1658,ffff80002a0bb478,ffff80002a1e1698) at kqueue_scan+0x21e sys/kern/kern_event.c:1509 sys_kevent(ffff80002a0bb478,ffff80002a1e17e0,ffff80002a1e1730) at sys_kevent+0x720 sys/kern/kern_event.c:1177 syscall(ffff80002a1e17e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a1e17e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2f4e4f320, count: -11 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:437 panic(ffffffff8311cedc) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1695 uvm_fault_unwire(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1658 kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a0c2a60,ffff80002a115850,ffff80002a1157a0) at sys_sysctl+0x425 syscall(ffff80002a115850) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a115850) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x42452004aa0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8311cedc) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1695 uvm_fault_unwire(fffffd806882dc60,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1658 kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002a1156e4,5,20000100,ffff80002a115718,0,37,3dc92b334c5d9911) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a0c2a60,ffff80002a115850,ffff80002a1157a0) at sys_sysctl+0x425 syscall(ffff80002a115850) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a115850) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x42452004aa0, count: -8