uvm_fault(0xffffffff82e381f8, 0xffff800020e22004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ufs_lookup+0x4d0: movzwl 0x4(%r15,%r12,1),%ebx TID PID UID PRFLAGS PFLAGS CPU COMMAND 186147 98422 0 0 0 1 syz-executor.6 * 83053 74107 0 0 0x4000000 0K syz-executor.2 ufs_lookup() at ufs_lookup+0x4d0 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8067e17b18,ffff80003737e108,ffff80003737e0a8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8067dd3378,ffff80002d8a1808) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_add_vnode(ffff80002d8a1808,fffffd8067dd3378) at unveil_add_vnode+0xb7 sys/kern/kern_unveil.c:391 unveil_add(ffff80002d8a1808,ffff80003737e2b8,ffff80003737e373) at unveil_add+0x2ef sys/kern/kern_unveil.c:494 sys_unveil(ffff80002d8a1808,ffff80003737e4a0,ffff80003737e3f0) at sys_unveil+0x41c sys/kern/vfs_syscalls.c:1023 syscall(ffff80003737e4a0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003737e4a0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd5f85ad7f90, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xffffffff82e381f8, 0xffff800020e22004, 0, 1) -> d ddb{0}> trace ufs_lookup() at ufs_lookup+0x4d0 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8067e17b18,ffff80003737e108,ffff80003737e0a8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8067dd3378,ffff80002d8a1808) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_add_vnode(ffff80002d8a1808,fffffd8067dd3378) at unveil_add_vnode+0xb7 sys/kern/kern_unveil.c:391 unveil_add(ffff80002d8a1808,ffff80003737e2b8,ffff80003737e373) at unveil_add+0x2ef sys/kern/kern_unveil.c:494 sys_unveil(ffff80002d8a1808,ffff80003737e4a0,ffff80003737e3f0) at sys_unveil+0x41c sys/kern/vfs_syscalls.c:1023 syscall(ffff80003737e4a0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003737e4a0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd5f85ad7f90, count: -8 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003737e020 rbx 0 rdx 0xffff800000ddd840 rcx 0 rax 0xfffffd806789aaf0 r8 0xffffffffffffffff r9 0xfffffd807f7d76e8 r10 0x8abadff249657223 r11 0x572cada80ab4583a r12 0 r13 0xffffffff r14 0 r15 0xffff800020e22000 rip 0xffffffff81280cb0 ufs_lookup+0x4d0 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80003737df20 ss 0x10 ufs_lookup+0x4d0: movzwl 0x4(%r15,%r12,1),%ebx ddb{0}> show proc PROC (syz-executor.2) tid=83053 pid=74107 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002d8a1ab0,0xffff80002a189ac0 process=0xffff80002a180480 user=0xffff800037379000, vmspace=0xfffffd80680e88e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 98422 186147 53453 0 7 0 syz-executor.6 98422 253049 53453 0 3 0x4000080 fsleep syz-executor.6 40199 283734 4789 0 2 0 syz-executor.7 40199 399954 4789 0 3 0x4000080 fsleep syz-executor.7 74107 380841 38634 0 2 0 syz-executor.2 *74107 83053 38634 0 7 0x4000000 syz-executor.2 58213 226233 98393 0 2 0 syz-executor.1 58213 439154 98393 0 3 0x4000080 ttyout syz-executor.1 58213 411587 98393 0 3 0x4000080 fsleep syz-executor.1 31487 63410 33621 0 3 0x80 nanoslp syz-executor.4 31487 72919 33621 0 3 0x4000080 ttyin syz-executor.4 31487 118693 33621 0 3 0x4000080 fsleep syz-executor.4 68357 473266 50591 0 2 0x480 syz-executor.5 68357 76872 50591 0 3 0x4000080 kqread syz-executor.5 68357 396736 50591 0 3 0x4000080 fsleep syz-executor.5 68357 502737 50591 0 3 0x4000080 fsleep syz-executor.5 31841 412849 16230 0 2 0x480 syz-executor.0 31841 344677 16230 0 3 0x4000080 netcon syz-executor.0 31841 170273 16230 0 3 0x4000080 fsleep syz-executor.0 50591 471808 77268 0 3 0x82 nanoslp syz-executor.5 16230 276293 77268 0 3 0x82 nanoslp syz-executor.0 61268 400774 77268 0 2 0x2 syz-executor.3 4789 330603 77268 0 2 0x482 syz-executor.7 43897 146112 1 0 3 0x100083 ttyin getty 53453 442843 77268 0 2 0x482 syz-executor.6 33621 21870 77268 0 2 0x482 syz-executor.4 25637 62708 0 0 3 0x14200 acct acct 64217 27321 0 0 3 0x14200 bored sosplice 54004 306917 0 0 3 0x14280 nfsidl nfsio 32943 42391 0 0 3 0x14280 nfsidl nfsio 89154 238400 0 0 3 0x14280 nfsidl nfsio 69018 64534 0 0 3 0x14280 nfsidl nfsio 3096 373645 0 0 3 0x14280 nfsidl nfsio 49916 333948 0 0 3 0x14280 nfsidl nfsio 66380 71878 0 0 3 0x14280 nfsidl nfsio 74278 450635 0 0 3 0x14280 nfsidl nfsio 19971 341944 0 0 3 0x14280 nfsidl nfsio 65555 220762 0 0 3 0x14280 nfsidl nfsio 38642 288018 0 0 3 0x14280 nfsidl nfsio 53683 171428 0 0 3 0x14280 nfsidl nfsio 33752 168770 0 0 3 0x14280 nfsidl nfsio 86522 54905 0 0 3 0x14280 nfsidl nfsio 87390 83789 0 0 3 0x14280 nfsidl nfsio 20283 173508 0 0 3 0x14280 nfsidl nfsio 10481 515441 0 0 3 0x14280 nfsidl nfsio 97195 273631 0 0 3 0x14280 nfsidl nfsio 52874 76304 0 0 3 0x14280 nfsidl nfsio 4293 448218 0 0 3 0x14280 nfsidl nfsio 38634 476455 77268 0 3 0x82 nanoslp syz-executor.2 98393 361623 77268 0 2 0x482 syz-executor.1 77268 279113 53810 0 3 0x2000082 wait syz-fuzzer 77268 49258 53810 0 2 0x6000482 syz-fuzzer 77268 394084 53810 0 3 0x6000082 wait syz-fuzzer 77268 344219 53810 0 3 0x6000082 thrsleep syz-fuzzer 77268 224246 53810 0 3 0x6000082 wait syz-fuzzer 77268 413471 53810 0 3 0x6000082 wait syz-fuzzer 77268 355611 53810 0 3 0x6000082 wait syz-fuzzer 77268 309353 53810 0 3 0x6000082 wait syz-fuzzer 77268 269870 53810 0 3 0x6000082 wait syz-fuzzer 77268 308610 53810 0 3 0x6000082 thrsleep syz-fuzzer 77268 477073 53810 0 3 0x6000082 thrsleep syz-fuzzer 77268 263074 53810 0 3 0x6000082 thrsleep syz-fuzzer 77268 304283 53810 0 3 0x6000082 thrsleep syz-fuzzer 77268 338179 53810 0 3 0x6000082 kqread syz-fuzzer 77268 353711 53810 0 3 0x6000082 thrsleep syz-fuzzer 77268 383834 53810 0 3 0x6000082 wait syz-fuzzer 53810 241313 88677 0 3 0x10008a sigsusp ksh 88677 243115 72564 0 3 0x9a kqread sshd 72564 415908 1 0 3 0x88 kqread sshd 7208 169404 67421 74 3 0x1100092 bpf pflogd 67421 215684 1 0 3 0x80 netio pflogd 6337 412384 63763 73 3 0x1100090 kqread syslogd 63763 440825 1 0 3 0x100082 netio syslogd 72218 328175 1 0 3 0x100080 kqread resolvd 24180 393447 34579 77 3 0x100092 kqread dhcpleased 79322 139235 34579 77 3 0x100092 kqread dhcpleased 34579 488551 1 0 3 0x80 kqread dhcpleased 15811 332326 0 0 3 0x14200 bored smr 75340 422811 0 0 2 0x14200 zerothread 77577 313985 0 0 3 0x14200 aiodoned aiodoned 57519 209513 0 0 3 0x14200 syncer update 31333 151007 0 0 3 0x14200 cleaner cleaner 79798 29406 0 0 3 0x14200 reaper reaper 3638 293038 0 0 3 0x14200 pgdaemon pagedaemon 98130 299955 0 0 3 0x14200 bored viomb 85267 502034 0 0 3 0x40014200 acpi0 acpi0 30907 124441 0 0 3 0x40014200 idle1 96370 74826 0 0 3 0x14200 bored softnet3 412 365843 0 0 3 0x14200 bored softnet2 21740 89837 0 0 3 0x14200 bored softnet1 63958 393928 0 0 3 0x14200 bored softnet0 49497 463390 0 0 3 0x14200 bored systqmp 22091 34109 0 0 3 0x14200 bored systq 40552 461038 0 0 3 0x14200 tmoslp softclockmp 53071 258145 0 0 2 0x40014200 softclock 50795 416336 0 0 3 0x40014200 idle0 1 366590 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 98422 (syz-executor.6) thread 0xffff80002a189ab0 (186147) shared rwlock vmmaplk r = 0 (0xfffffd80680e8f18) #0 witness_lock+0x447 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 74107 (syz-executor.2) thread 0xffff80002d8a1808 (83053) exclusive rrwlock inode r = 0 (0xfffffd80760a64d8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 unveil_find_cover+0x10a sys/kern/kern_unveil.c:273 #7 unveil_add_vnode+0xb7 sys/kern/kern_unveil.c:391 #8 unveil_add+0x2ef sys/kern/kern_unveil.c:494 #9 sys_unveil+0x41c sys/kern/vfs_syscalls.c:1023 #10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82da9108) #0 witness_lock+0x447 #1 syscall+0x51a mi_syscall sys/sys/syscall_mi.h:183 [inline] #1 syscall+0x51a sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 31487 (syz-executor.4) thread 0xffff80002f11a010 (72919) exclusive rrwlock inode r = 0 (0xfffffd8064761a30) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 spec_open+0x3f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x76 sys/kern/vfs_vops.c:138 #7 vn_open+0x452 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xa0b sys/dev/vnd.c:457 #9 VOP_IOCTL+0x97 sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #11 sys_ioctl+0x4a2 #12 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #12 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10219 6500K 6934K 166960K 16068 0 pcb 15 15K 17K 166960K 222 0 rtable 244 15K 15K 166960K 849 0 pf 36 10K 10K 166960K 125 0 ifaddr 50 16K 16K 166960K 122 0 ifgroup 63 2K 2K 166960K 191 0 sysctl 2 0K 0K 166960K 4 0 counters 68 36K 37K 166960K 134 0 ioctlops 0 0K 4K 166960K 1713 0 iov 0 0K 16K 166960K 519 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1374 86K 86K 166960K 2675 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 244 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 93K 166960K 3519 0 sigio 0 0K 0K 166960K 151 0 proc 71 103K 128K 166960K 989 0 subproc 104 6K 6K 166960K 247 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 153 0 in_multi 99 7K 7K 166960K 256 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 211 943K 943K 166960K 211 0 exec 0 0K 1K 166960K 881 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 421 206K 209K 166960K 36403 0 UVM aobj 86 3K 3K 166960K 91 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 84 0 NDP 14 0K 1K 166960K 85 0 temp 75 6772K 6900K 166960K 26840 0 kqueue 12 18K 28K 166960K 333 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 213 0 210 3 2 1 3 0 8 0 rtentry 112 266 0 154 4 0 4 4 0 8 0 unpcb 144 2550 0 2534 29 24 5 8 0 8 4 syncache 320 40 0 40 8 7 1 1 0 8 1 tcpqe 32 375 0 375 7 7 0 1 0 8 0 tcpcb 808 1011 0 995 38 28 10 12 0 8 8 arp 120 51 0 32 1 0 1 1 0 8 0 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 9 0 9 1 1 0 1 0 8 0 inpcb 376 2352 0 2331 60 51 9 15 0 8 6 nd6 136 59 0 34 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 3 0 1 0 8 0 kcovpl 48 19 0 11 1 0 1 1 0 8 0 ppxss 1168 8 0 8 2 2 0 1 0 8 0 pffrag 232 58 0 55 1 0 1 1 0 482 0 pffrnode 88 58 0 55 1 0 1 1 0 8 0 pffrent 40 121 0 118 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 24 128 0 102 1 0 1 1 0 8 0 pfstkey 128 164 0 138 2 0 2 2 0 8 0 pfstate 376 164 0 138 5 2 3 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 1029 0 552 41 11 30 30 0 8 0 art_table 32 1030 0 552 4 0 4 4 0 8 0 art_node 16 262 0 160 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 239 0 229 1 0 1 1 0 8 0 shmpl 112 88 0 5 3 0 3 3 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 5677 0 4220 92 0 92 92 0 8 0 ffsino 272 5677 0 4220 98 0 98 98 0 8 0 nchpl 144 10418 0 8761 64 0 64 64 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 34620 0 34618 5 4 1 2 0 8 0 percpumem 16 81 0 33 1 0 1 1 0 8 0 vcpupl 2048 18 0 0 3 0 3 3 0 8 0 vmpool 696 23 0 5 2 0 2 2 0 8 0 kstatmem 264 94 0 66 4 1 3 3 0 8 0 scxspl 216 30651 0 30651 13 11 2 8 1 8 2 plimitpl 152 493 0 477 1 0 1 1 0 8 0 sigapl 424 3842 0 3771 15 6 9 9 0 8 0 futexpl 64 25113 0 25106 1 0 1 1 0 8 0 knotepl 120 530 0 0 14 1 13 13 0 8 0 kqueuepl 216 590 0 581 9 8 1 5 0 8 0 pipepl 320 789 0 761 27 19 8 8 0 8 5 fdescpl 496 3802 0 3772 11 6 5 5 0 8 1 filepl 152 20364 0 20109 60 42 18 20 0 8 8 lockfpl 104 903 0 901 2 1 1 2 0 8 0 lockfspl 48 330 0 328 1 0 1 1 0 8 0 sessionpl 144 36 0 19 1 0 1 1 0 8 0 pgrppl 48 45 0 28 1 0 1 1 0 8 0 ucredpl 104 2032 0 2019 1 0 1 1 0 8 0 zombiepl 144 3772 0 3771 2 1 1 1 0 8 0 processpl 1136 3842 0 3771 8 2 6 6 0 8 0 procpl 680 9709 0 9611 10 1 9 9 0 8 0 srpgc 96 17 0 17 6 5 1 1 0 8 1 sosppl 168 24 0 21 4 3 1 1 0 8 0 sockpl 584 5161 0 5121 72 62 10 20 0 8 7 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 36 0 0 3 0 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 295 0 0 37 2 35 37 0 8 1 mtagpl 96 155 0 0 3 0 3 3 0 8 0 mbufpl 256 1119 0 0 62 0 62 62 0 8 0 bufpl 280 8989 0 2671 452 0 452 452 0 8 0 anonpl 24 499864 0 485791 128 3 125 125 0 186 25 amapchunkpl 152 114859 0 113872 60 20 40 46 0 158 1 amappl16 200 11316 0 10854 53 18 35 50 0 8 8 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 210 0 196 2 1 1 2 0 8 0 amappl13 176 13 0 13 1 1 0 1 0 8 0 amappl12 168 4648 0 4616 5 3 2 3 0 8 0 amappl11 160 65 0 50 1 0 1 1 0 8 0 amappl10 152 49 0 39 1 0 1 1 0 8 0 amappl9 144 267 0 265 1 0 1 1 0 8 0 amappl8 136 328 0 251 3 0 3 3 0 8 0 amappl7 128 260 0 232 2 0 2 2 0 8 0 amappl6 120 475 0 458 1 0 1 1 0 8 0 amappl5 112 191 0 180 1 0 1 1 0 8 0 amappl4 104 557 0 527 2 1 1 2 0 8 0 amappl3 96 22524 0 22416 5 2 3 3 0 8 0 amappl2 88 4383 0 4303 3 1 2 3 0 8 0 amappl1 80 22566 0 22004 23 10 13 23 0 8 0 amappl 88 35687 0 35411 9 2 7 7 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 90 0 5 2 0 2 2 0 8 0 uaddrrnd 24 3825 0 3777 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3825 0 3777 1 0 1 1 0 8 0 vmmpekpl 168 32806 0 32712 5 0 5 5 0 8 0 vmmpepl 168 245834 0 243336 237 104 133 135 0 357 16 vmsppl 448 3824 0 3777 14 8 6 6 0 8 0 rwobjpl 56 70803 0 63162 117 3 114 114 0 8 6 pdppl 4096 7657 0 7572 302 215 87 89 0 8 2 pvpl 32 42175 0 0 342 1 341 341 0 265 0 pmappl 248 3824 0 3777 6 2 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 793 0 335 14 0 14 14 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ufs_lookup() at ufs_lookup+0x4d0 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8067e17b18,ffff80003737e108,ffff80003737e0a8) at VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 unveil_find_cover(fffffd8067dd3378,ffff80002d8a1808) at unveil_find_cover+0x130 sys/kern/kern_unveil.c:277 unveil_add_vnode(ffff80002d8a1808,fffffd8067dd3378) at unveil_add_vnode+0xb7 sys/kern/kern_unveil.c:391 unveil_add(ffff80002d8a1808,ffff80003737e2b8,ffff80003737e373) at unveil_add+0x2ef sys/kern/kern_unveil.c:494 sys_unveil(ffff80002d8a1808,ffff80003737e4a0,ffff80003737e3f0) at sys_unveil+0x41c sys/kern/vfs_syscalls.c:1023 syscall(ffff80003737e4a0) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003737e4a0) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd5f85ad7f90, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82da8f00) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82da8f00) at __mp_lock+0x122 sys/kern/kern_lock.c:147 uvm_fault(fffffd80680e8e20,4c881d0a000,0,1) at uvm_fault+0x181 sys/uvm/uvm_fault.c:622 upageflttrap(ffff800037452df0,4c881d0a000) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800037452df0) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7075d655af30, count: 7 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82da8f00) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82da8f00) at __mp_lock+0x122 sys/kern/kern_lock.c:147 uvm_fault(fffffd80680e8e20,4c881d0a000,0,1) at uvm_fault+0x181 sys/uvm/uvm_fault.c:622 upageflttrap(ffff800037452df0,4c881d0a000) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800037452df0) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7075d655af30, count: -8