uvm_fault(0xffffffff834fa630, 0xffff800001404008, 0, 2) -> e kernel: page fault trap, code=2 Stopped at unveil_add_vnode+0xda: movq %rax,0x8(%r14,%r13,1) TID PID UID PRFLAGS PFLAGS CPU COMMAND *478319 22675 32767 0x502010 0x4080000 1K syz-executor 450391 47245 32767 0x10 0 0 syz-executor unveil_add_vnode(ffff80002e773c58,fffffd80542b8438) at unveil_add_vnode+0xda sys/kern/kern_unveil.c:391 unveil_add(ffff80002e773c58,ffff80002a110698,ffff80002a110753) at unveil_add+0x448 sys/kern/kern_unveil.c:494 sys_unveil(ffff80002e773c58,ffff80002a110880,ffff80002a1107d0) at sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 syscall(ffff80002a110880) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a110880) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe277e1e830, count: 10 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(0xffffffff834fa630, 0xffff800001404008, 0, 2) -> e ddb{1}> trace unveil_add_vnode(ffff80002e773c58,fffffd80542b8438) at unveil_add_vnode+0xda sys/kern/kern_unveil.c:391 unveil_add(ffff80002e773c58,ffff80002a110698,ffff80002a110753) at unveil_add+0x448 sys/kern/kern_unveil.c:494 sys_unveil(ffff80002e773c58,ffff80002a110880,ffff80002a1107d0) at sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 syscall(ffff80002a110880) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a110880) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe277e1e830, count: -5 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a1105c0 rbx 0xffff800036dd1b50 rdx 0 rcx 0xffff80002e773c58 rax 0xffffffffffffffff r8 0x40 r9 0xfffffd807f7d31a0 r10 0x989ca58e4a292540 r11 0x6960d4337a6132bc r12 0xfffffd80542b8438 r13 0 r14 0xffff800001404000 r15 0 rip 0xffffffff811800ea unveil_add_vnode+0xda cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a110550 ss 0 unveil_add_vnode+0xda: movq %rax,0x8(%r14,%r13,1) ddb{1}> show proc PROC (syz-executor) tid=478319 pid=22675 tcnt=4 stat=onproc flags process=502010 proc=4080000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002e772818 scnt=3 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002e772590,0xffff80002e772828 process=0xffff800036dd1b50 user=0xffff80002a10b000, vmspace=0xfffffd806c0026e0 estcpu=36, cpticks=14, pctcpu=0.0, user=0, sys=14, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 63611 315295 76320 32767 2 0x10 syz-executor 14798 13699 77832 0 2 0x2 syz-executor 27911 506380 78801 32767 2 0x10 syz-executor 27911 439016 78801 32767 3 0x4000090 fsleep syz-executor 22675 28991 82569 32767 2 0x582010 syz-executor *22675 478319 82569 32767 7 0x4582010 syz-executor 22675 65914 82569 32767 3 0x4502010 suspend syz-executor 22675 181821 82569 32767 2 0x4582090 syz-executor 47245 450391 5975 32767 7 0x10 syz-executor 47245 286921 5975 32767 3 0x4000090 fsleep syz-executor 47245 96775 5975 32767 3 0x4000090 fsleep syz-executor 47245 356022 5975 32767 3 0x4000090 fsleep syz-executor 78700 468709 15818 32767 2 0x10 syz-executor 78700 521773 15818 32767 3 0x4000090 fsleep syz-executor 78801 345307 98643 32767 3 0x90 nanoslp syz-executor 2266 110196 97976 32767 3 0x90 nanoslp syz-executor 2266 137759 97976 32767 3 0x4000090 ttyretype syz-executor 2266 256946 97976 32767 3 0x4000090 fsleep syz-executor 98643 359899 77832 0 3 0x82 wait syz-executor 70741 259508 8909 32767 3 0x10 biowait syz-executor 8909 278799 77832 0 3 0x82 wait syz-executor 76320 498070 63987 32767 3 0x90 nanoslp syz-executor 63987 124925 77832 0 3 0x82 wait syz-executor 15818 29950 8623 32767 3 0x90 nanoslp syz-executor 8623 224834 77832 0 3 0x82 wait syz-executor 5975 42624 47161 32767 3 0x90 nanoslp syz-executor 47161 422996 77832 0 3 0x82 wait syz-executor 97976 317765 52058 32767 3 0x90 nanoslp syz-executor 52058 344840 77832 0 3 0x82 wait syz-executor 82569 483127 13119 32767 3 0x90 nanoslp syz-executor 13119 31508 77832 0 3 0x82 wait syz-executor 37828 197353 80314 0 3 0x82 netio sshd-session 58421 389324 80314 0 3 0x82 netio sshd-session 97674 297321 80314 0 3 0x82 netio sshd-session 40792 19115 0 0 3 0x14200 bored sosplice 77832 150200 82798 0 2 0x2 syz-executor 82798 513541 53282 0 3 0x10008a sigsusp ksh 53282 519802 34163 0 3 0x98 kqread sshd-session 34163 355453 80314 0 3 0x92 kqread sshd-session 64678 41968 1 0 3 0x100083 ttyin getty 80314 286501 1 0 3 0x88 kqread sshd 52077 92911 4083 73 3 0x1100090 kqread syslogd 4083 302521 1 0 3 0x100082 sbwait syslogd 5947 486693 1 0 3 0x100080 kqread resolvd 34246 83485 99863 77 3 0x100092 kqread dhcpleased 50817 345118 99863 77 3 0x100092 kqread dhcpleased 99863 200124 1 0 3 0x80 kqread dhcpleased 81693 299997 0 0 3 0x14200 bored smr 52284 73302 0 0 2 0x14200 zerothread 91974 5495 0 0 3 0x14200 aiodoned aiodoned 94020 416698 0 0 3 0x14200 syncer update 89902 196837 0 0 3 0x14200 cleaner cleaner 79156 365121 0 0 3 0x14200 reaper reaper 51157 288878 0 0 3 0x14200 pgdaemon pagedaemon 22803 128701 0 0 3 0x14200 bored viomb 35782 409603 0 0 3 0x40014200 acpi0 acpi0 16549 57285 0 0 3 0x40014200 idle1 99985 148273 0 0 3 0x14200 bored softnet3 68100 205010 0 0 3 0x14200 bored softnet2 46570 116898 0 0 3 0x14200 bored softnet1 75637 36849 0 0 3 0x14200 bored softnet0 15608 491934 0 0 3 0x14200 bored systqmp 64042 433351 0 0 3 0x14200 bored systq 83012 47247 0 0 3 0x14200 tmoslp softclockmp 89513 323372 0 0 3 0x40014200 tmoslp softclock 95230 108298 0 0 3 0x40014200 idle0 1 425743 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 22675 (syz-executor) thread 0xffff80002e773c58 (478319) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835ae640) #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+0x21e sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #7 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #8 vget+0x2bd sys/kern/vfs_subr.c:673 #9 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #10 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #11 ufs_lookup+0x1631 sys/ufs/ufs/ufs_lookup.c:555 #12 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #13 unveil_find_cover+0x16d sys/kern/kern_unveil.c:277 #14 unveil_add_vnode+0xd1 sys/kern/kern_unveil.c:391 #15 unveil_add+0x448 sys/kern/kern_unveil.c:494 #16 sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 #17 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #17 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #18 Xsyscall+0x128 Process 47245 (syz-executor) thread 0xffff8000395eca70 (450391) shared rwlock vmmaplk r = 0 (0xfffffd80509b57d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 70741 (syz-executor) thread 0xffff8000395eccf8 (259508) exclusive rrwlock inode r = 0 (0xfffffd8058500c48) #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 vget+0x2bd sys/kern/vfs_subr.c:673 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8073effd68) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [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 10209 11049K 11059K 166960K 12666 0 pcb 17 18K 20K 166960K 23 0 rtable 214 6K 7K 166960K 14761 0 pf 29 16K 16K 166960K 962 0 ifaddr 38 10K 11K 166960K 1868 0 ifgroup 46 2K 2K 166960K 1897 0 sysctl 4 1K 3K 166960K 10 0 counters 62 36K 36K 166960K 980 0 ioctlops 0 0K 2K 166960K 703 0 iov 0 0K 32K 166960K 1171 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1470 92K 92K 166960K 11346 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 250 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 622 0 dirhash 15 2K 3K 166960K 360 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 23 82K 167K 166960K 18245 0 sigio 0 0K 0K 166960K 640 0 proc 61 91K 176K 166960K 14324 0 subproc 91 5K 13K 166960K 7527 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 3408 0 in_multi 88 6K 7K 166960K 5677 0 ether_multi 1 0K 0K 166960K 82 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 8556 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 278 68K 141K 166960K 143468 0 UVM aobj 131 6K 8K 166960K 143 0 pinsyscall 50 100K 140K 166960K 32016 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 1147 0 NDP 12 0K 2K 166960K 1387 0 temp 71 6823K 6952K 166960K 122030 0 kqueue 13 20K 36K 166960K 2147 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 2734 0 2731 20 19 1 4 0 8 0 rtentry 112 5253 0 5153 19 15 4 4 0 8 0 unpcb 144 13053 0 13036 95 92 3 9 0 8 2 syncache 336 299 0 299 40 39 1 1 0 8 1 tcpqe 32 123 0 123 34 33 1 1 0 8 1 tcpcb 808 8424 0 8390 131 120 11 16 0 8 6 arp 120 933 0 916 1 0 1 1 0 8 0 ipq 40 67 0 65 3 2 1 1 0 8 0 ipqe 40 1311 0 1308 3 2 1 1 0 8 0 inpcb 336 21134 0 21094 163 153 10 16 0 8 4 ip6q 72 2 0 1 2 1 1 1 0 8 0 ip6af 40 3 0 2 2 1 1 1 0 8 0 nd6 136 1539 0 1518 6 4 2 2 0 8 0 kcovpl 48 579 0 572 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 21143 0 20725 240 209 31 31 0 8 1 art_table 32 21144 0 20725 11 7 4 5 0 8 0 art_node 16 5252 0 5161 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 615 0 605 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 256 0 233 12 8 4 4 0 8 1 dino2pl 256 20009 0 17149 181 2 179 179 0 8 0 ffsino 272 20009 0 17149 193 2 191 191 0 8 0 nchpl 144 35463 0 32789 101 1 100 100 0 8 0 uvmvnodes 80 9931 0 0 203 0 203 203 0 8 0 vnodes 216 9931 0 0 552 0 552 552 0 8 0 namei 1024 175758 0 175756 61 60 1 3 0 8 0 percpumem 16 504 0 459 1 0 1 1 0 8 0 kstatmem 264 938 0 918 2 0 2 2 0 8 0 scxspl 216 273625 0 273624 65 62 3 8 1 8 2 plimitpl 152 5035 0 5010 2 0 2 2 0 8 0 sigapl 424 17582 0 17525 22 14 8 9 0 8 0 futexpl 64 163858 0 163851 39 38 1 1 0 8 0 knotepl 120 1563 0 0 24 0 24 24 0 8 0 kqueuepl 216 4524 0 4514 47 45 2 5 0 8 1 pipepl 320 3807 0 3777 34 27 7 9 0 8 3 fdescpl 496 17563 0 17525 17 11 6 8 0 8 0 filepl 152 111644 0 111399 103 89 14 21 0 8 2 lockfpl 104 3415 0 3412 2 1 1 2 0 8 0 lockfspl 48 1060 0 1057 1 0 1 1 0 8 0 sessionpl 144 679 0 661 1 0 1 1 0 8 0 pgrppl 48 1680 0 1654 1 0 1 1 0 8 0 ucredpl 104 21648 0 21630 1 0 1 1 0 8 0 zombiepl 144 17525 0 17525 1 0 1 1 0 8 1 processpl 1160 17582 0 17525 6 1 5 6 0 8 0 procpl 648 35995 0 35928 17 10 7 7 0 8 0 srpgc 96 31 0 31 15 15 0 1 0 8 0 sosppl 168 194 0 194 29 28 1 1 0 8 1 sockpl 664 37160 0 37101 277 266 11 22 0 8 4 mcl64k 65536 26 0 0 4 0 4 4 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 288 0 0 18 6 12 18 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 366 0 0 12 7 5 6 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 3087 0 0 145 0 145 145 0 8 0 bufpl 280 30521 0 20589 710 0 710 710 0 8 0 anonpl 24 2181516 0 2174836 357 284 73 115 0 185 6 amapchunkpl 152 457597 0 456925 267 222 45 59 0 158 13 amappl16 200 38368 0 38294 386 372 14 29 0 8 6 amappl15 192 14 0 14 5 5 0 1 0 8 0 amappl14 184 1428 0 1415 1 0 1 1 0 8 0 amappl13 176 19 0 19 11 11 0 1 0 8 0 amappl12 168 25682 0 25644 4 1 3 3 0 8 0 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 14 0 13 3 2 1 1 0 8 0 amappl9 144 148 0 147 2 1 1 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 1216 0 1202 1 0 1 1 0 8 0 amappl6 120 4684 0 4682 1 0 1 1 0 8 0 amappl5 112 2147 0 2135 1 0 1 1 0 8 0 amappl4 104 2477 0 2461 1 0 1 1 0 8 0 amappl3 96 91404 0 91276 6 1 5 5 0 8 0 amappl2 88 9330 0 9246 10 7 3 3 0 8 0 amappl1 80 140569 0 139786 35 13 22 23 0 8 0 amappl 88 137804 0 137597 8 2 6 6 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 72 142 0 12 3 0 3 3 0 8 0 uaddrrnd 24 17563 0 17525 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 17563 0 17525 1 0 1 1 0 8 0 vmmpekpl 168 167989 0 167932 5 1 4 5 0 8 0 vmmpepl 168 1116419 0 1114055 350 231 119 134 0 357 2 vmsppl 440 17562 0 17525 11 6 5 7 0 8 0 rwobjpl 56 314752 0 303490 185 22 163 167 0 8 0 pdppl 4096 35133 0 35050 1477 1386 91 121 0 8 8 pvpl 32 61128 0 0 483 0 483 483 0 265 0 pmappl 248 17562 0 17525 10 7 3 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 2685 0 1994 20 0 20 20 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834c9ff0) 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(ffffffff835ae438) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ae438) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a09c7c0,ffff800000079e80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __mp_lock(ffffffff835ae438) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ae438) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a09c920,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835ae438) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ae438) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd80509b56e8,7bb25322000,0,1) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002a09cca0,7bb25322000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a09cca0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7532f85d8a70, count: 1 ddb{0}> trace x86_ipi_db(ffffffff834c9ff0) 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(ffffffff835ae438) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ae438) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a09c7c0,ffff800000079e80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __mp_lock(ffffffff835ae438) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ae438) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a09c920,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835ae438) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ae438) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd80509b56e8,7bb25322000,0,1) at uvm_fault+0x1ed sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002a09cca0,7bb25322000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a09cca0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7532f85d8a70, count: -14 ddb{0}> machine ddbcpu 1 Stopped at unveil_add_vnode+0xda: movq %rax,0x8(%r14,%r13,1) unveil_add_vnode(ffff80002e773c58,fffffd80542b8438) at unveil_add_vnode+0xda sys/kern/kern_unveil.c:391 unveil_add(ffff80002e773c58,ffff80002a110698,ffff80002a110753) at unveil_add+0x448 sys/kern/kern_unveil.c:494 sys_unveil(ffff80002e773c58,ffff80002a110880,ffff80002a1107d0) at sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 syscall(ffff80002a110880) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a110880) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe277e1e830, count: 10 ddb{1}> trace unveil_add_vnode(ffff80002e773c58,fffffd80542b8438) at unveil_add_vnode+0xda sys/kern/kern_unveil.c:391 unveil_add(ffff80002e773c58,ffff80002a110698,ffff80002a110753) at unveil_add+0x448 sys/kern/kern_unveil.c:494 sys_unveil(ffff80002e773c58,ffff80002a110880,ffff80002a1107d0) at sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 syscall(ffff80002a110880) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a110880) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfe277e1e830, count: -5