login: uvm_fault(0xffffffff839367d8, 0xffff800026072004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ufs_lookup+0x5e1: movzwl 0x4(%r15,%rbx,1),%r14d TID PID UID PRFLAGS PFLAGS CPU COMMAND 170631 96494 0 0 0 0 syz-executor *424874 46870 0 0x2 0 1K syz-executor ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8078f66980,ffff80003c4dc6c0,ffff80003c4dc6f0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4dc690) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4dc690) at namei+0x7aa sys/kern/vfs_lookup.c:250 domkdirat(ffff8000ffffcf70,ffffff9c,74fdbde99d20,1ff) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 syscall(ffff80003c4dc870) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4dc870) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fdbde99dc0, count: 8 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(0xffffffff839367d8, 0xffff800026072004, 0, 1) -> d ddb{1}> trace ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8078f66980,ffff80003c4dc6c0,ffff80003c4dc6f0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4dc690) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4dc690) at namei+0x7aa sys/kern/vfs_lookup.c:250 domkdirat(ffff8000ffffcf70,ffffff9c,74fdbde99d20,1ff) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 syscall(ffff80003c4dc870) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4dc870) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fdbde99dc0, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c4dc430 rbx 0 rdx 0 rcx 0xffffffff rax 0xfffffd8078f91258 r8 0xffffffffffffffff r9 0xfffffd807f7d2548 r10 0x4d1e478a489ac95a r11 0x98584ae4232cf13e r12 0 r13 0xfffffd806dc607c8 r14 0 r15 0xffff800026072000 rip 0xffffffff82579681 ufs_lookup+0x5e1 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80003c4dc320 ss 0x10 ufs_lookup+0x5e1: movzwl 0x4(%r15,%rbx,1),%r14d ddb{1}> show proc PROC (syz-executor) tid=424874 pid=46870 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffeb748,0xffff80002a393c60 process=0xffff8000ffff4950 user=0xffff80003c4d7000, vmspace=0xfffffd806be1a738 estcpu=36, cpticks=5, pctcpu=0.19, user=0, sys=30, intr=1 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 63623 97177 80398 0 2 0 syz-executor 63623 367528 80398 0 2 0x4000000 syz-executor 63623 198304 80398 0 3 0x4000080 fsleep syz-executor 96494 170631 93469 0 7 0 syz-executor 96494 159296 93469 0 3 0x4000080 fsleep syz-executor 66232 70807 30355 0 2 0 syz-executor 66232 408787 30355 0 3 0x4000080 fsleep syz-executor 47881 247018 35749 0 2 0x480 syz-executor 47881 346947 35749 0 3 0x4000080 kqsel syz-executor 47881 355658 35749 0 3 0x4000080 fsleep syz-executor 32748 416937 1 0 3 0x100083 ttyin getty *46870 424874 55736 0 7 0x2 syz-executor 82912 58762 55736 0 2 0x2 syz-executor 32513 501488 55736 0 3 0x82 wait syz-executor 30355 335914 55736 0 2 0x482 syz-executor 3703 384166 0 0 3 0x14200 bored sosplice 93469 185621 55736 0 2 0x482 syz-executor 80398 474089 55736 0 2 0x482 syz-executor 35749 369696 55736 0 2 0x482 syz-executor 55736 94852 83890 0 2 0x2 syz-executor 83890 454129 19877 0 3 0x10008a sigsusp ksh 19877 302428 59483 0 3 0x98 kqread sshd-session 59483 173969 55745 0 3 0x92 kqread sshd-session 55745 46554 1 0 3 0x88 kqread sshd 96519 38869 86166 74 3 0x1100092 bpf pflogd 86166 22140 1 0 3 0x80 sbwait pflogd 45422 406009 91706 73 3 0x1100090 kqread syslogd 91706 302905 1 0 3 0x100082 sbwait syslogd 67622 195082 1 0 3 0x100080 kqread resolvd 37788 179975 21681 77 3 0x100092 kqread dhcpleased 3878 413011 21681 77 3 0x100092 kqread dhcpleased 21681 40052 1 0 3 0x80 kqread dhcpleased 66083 486058 0 0 3 0x14200 bored smr 44846 126009 0 0 3 0x14200 pgzero zerothread 83881 297912 0 0 3 0x14200 aiodoned aiodoned 15961 25681 0 0 3 0x14200 syncer update 67887 47934 0 0 3 0x14200 cleaner cleaner 31702 516838 0 0 3 0x14200 reaper reaper 15560 464398 0 0 3 0x14200 pgdaemon pagedaemon 41934 48937 0 0 3 0x14200 bored viomb 52622 452698 0 0 3 0x40014200 acpi0 acpi0 62635 505280 0 0 3 0x40014200 idle1 5181 200105 0 0 3 0x14200 bored softnet3 7729 253487 0 0 3 0x14200 bored softnet2 9159 85106 0 0 3 0x14200 bored softnet1 33187 372512 0 0 3 0x14200 bored softnet0 74612 144581 0 0 3 0x14200 bored systqmp 24650 436332 0 0 3 0x14200 bored systq 47798 108711 0 0 3 0x14200 tmoslp softclockmp 17086 380244 0 0 3 0x40014200 tmoslp softclock 27112 158565 0 0 3 0x40014200 idle0 1 279057 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 96494 (syz-executor) thread 0xffff80002a392540 (170631) exclusive rwlock uobjlk r = 0 (0xfffffd806be4b218) #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 uvm_fault+0x1e9 sys/uvm/uvm_fault.c:688 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd800a5622f8) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1860 #3 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:730 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:666 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 46870 (syz-executor) thread 0xffff8000ffffcf70 (424874) exclusive rrwlock inode r = 0 (0xfffffd806dc60868) #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 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:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839fc958) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #1 syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 82912 (syz-executor) thread 0xffff8000fffeb748 (58762) exclusive rrwlock inode r = 0 (0xfffffd806dca72d0) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #9 namei+0x7aa sys/kern/vfs_lookup.c:250 #10 dofstatat+0xe0 sys/kern/vfs_syscalls.c:2084 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806dc97ee8) #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 vget+0x2bd sys/kern/vfs_subr.c:694 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dofstatat+0xe0 sys/kern/vfs_syscalls.c:2084 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 11060K 11540K 166960K 12426 0 pcb 17 13K 13K 166960K 280 0 rtable 259 12K 13K 166960K 681 0 pf 37 18K 22K 166960K 177 0 ifaddr 42 8K 8K 166960K 125 0 ifgroup 55 2K 2K 166960K 215 0 sysctl 4 1K 2K 166960K 7 0 counters 64 36K 36K 166960K 220 0 ioctlops 0 0K 4K 166960K 1744 0 iov 0 0K 24K 166960K 203 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1461 92K 92K 166960K 2821 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 42 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 151 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 93K 166960K 2011 0 sigio 0 0K 0K 166960K 28 0 proc 72 91K 140K 166960K 870 0 subproc 72 4K 4K 166960K 110 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 384 0 in_multi 92 7K 7K 166960K 205 0 ether_multi 1 0K 0K 166960K 17 0 mrt 2 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 686 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 226 163K 175K 166960K 19865 0 UVM aobj 12 2K 2K 166960K 12 0 pinsyscall 40 80K 101K 166960K 3231 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 107 0 NDP 12 0K 2K 166960K 88 0 temp 76 8692K 8820K 166960K 77447 0 kqueue 14 22K 30K 166960K 392 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 120 253 0 250 4 2 2 3 0 8 1 rtentry 168 197 0 88 6 0 6 6 0 8 0 unpcb 144 1662 0 1645 10 5 5 6 0 8 4 syncache 336 10 0 10 2 2 0 1 0 8 0 tcpcb 808 603 0 598 16 14 2 8 0 8 1 arp 120 32 0 10 1 0 1 1 0 8 0 inpcb 376 2077 0 2067 21 16 5 9 0 8 3 nd6 136 45 0 18 1 0 1 1 0 8 0 pkpcb 40 14 0 14 3 3 0 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1168 58 0 58 2 1 1 1 0 8 1 pppxif 1480 9 0 9 4 3 1 1 0 8 1 pffrag 232 8 0 1 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 17 0 10 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 147 0 46 1 0 1 1 0 8 0 pfstkey 128 149 0 48 4 0 4 4 0 8 0 pfstate 376 147 0 47 10 0 10 10 0 8 0 pfrule 1344 25 0 19 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 822 0 366 37 6 31 31 0 8 0 art_table 32 825 0 366 4 0 4 4 0 8 0 art_node 16 192 0 95 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 145 0 135 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 36 0 19 3 0 3 3 0 8 0 dino2pl 256 5337 0 3823 95 0 95 95 0 8 0 ffsino 280 5338 0 3823 109 0 109 109 0 8 0 nchpl 144 8271 0 7657 64 39 25 64 0 8 0 rtmask 32 12 0 12 5 4 1 1 0 8 1 uvmvnodes 80 5892 0 0 121 0 121 121 0 8 0 vnodes 216 5892 0 0 328 0 328 328 0 8 0 namei 1024 30245 0 30243 2 1 1 2 0 8 0 percpumem 16 124 0 78 1 0 1 1 0 8 0 kstatmem 264 128 0 104 2 0 2 2 0 8 0 scsiplug 72 5 0 5 4 3 1 1 0 8 1 scxspl 216 25770 0 25770 12 10 2 8 1 8 2 plimitpl 152 456 0 439 1 0 1 1 0 8 0 sigapl 424 2339 0 2291 9 2 7 9 0 8 0 futexpl 64 29319 0 29315 1 0 1 1 0 8 0 knotepl 120 580 0 0 17 0 17 17 0 8 0 kqueuepl 216 795 0 783 6 3 3 3 0 8 2 pipepl 328 342 0 315 8 5 3 8 0 8 0 fdescpl 504 2290 0 2261 5 0 5 5 0 8 0 filepl 152 16619 0 16401 26 9 17 17 0 8 7 lockfpl 104 794 0 792 3 1 2 2 0 8 1 lockfspl 48 231 0 229 1 0 1 1 0 8 0 sessionpl 144 34 0 25 1 0 1 1 0 8 0 pgrppl 48 73 0 56 1 0 1 1 0 8 0 ucredpl 104 3507 0 3494 1 0 1 1 0 8 0 zombiepl 144 2293 0 2291 2 1 1 1 0 8 0 processpl 1176 2339 0 2291 6 1 5 6 0 8 0 procpl 656 5449 0 5395 8 2 6 8 0 8 0 srpgc 96 10 0 10 3 3 0 1 0 8 0 sosppl 168 23 0 23 3 2 1 1 0 8 1 sockpl 688 4028 0 3999 33 23 10 21 0 8 6 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 132 0 0 16 0 16 16 0 8 0 mcl2k 2048 85 0 0 11 0 11 11 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 299 0 0 19 0 19 19 0 8 0 bufpl 280 9409 0 3255 440 0 440 440 0 8 0 anonpl 24 276325 0 273031 79 33 46 46 0 184 5 amapchunkpl 152 64628 0 64197 39 16 23 27 0 158 0 amappl16 200 4601 0 4566 49 36 13 15 0 8 8 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 132 0 120 1 0 1 1 0 8 0 amappl13 176 39 0 39 1 1 0 1 0 8 0 amappl12 168 2996 0 2967 4 2 2 3 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 2 0 2 1 1 0 1 0 8 0 amappl9 144 256 0 255 2 1 1 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 126 0 114 1 0 1 1 0 8 0 amappl6 120 217 0 213 1 0 1 1 0 8 0 amappl5 112 166 0 156 1 0 1 1 0 8 0 amappl4 104 359 0 339 1 0 1 1 0 8 0 amappl3 96 13798 0 13698 5 1 4 4 0 8 0 amappl2 88 764 0 699 2 0 2 2 0 8 0 amappl1 80 17579 0 16981 15 0 15 15 0 8 0 amappl 88 18665 0 18515 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 4 4 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 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 2290 0 2261 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2290 0 2261 1 0 1 1 0 8 0 vmmpekpl 168 18993 0 18943 3 0 3 3 0 8 0 vmmpepl 168 145055 0 143155 119 18 101 101 0 357 3 vmsppl 456 2289 0 2261 7 2 5 5 0 8 0 rwobjpl 64 41961 0 35130 113 0 113 113 0 8 0 pdppl 4096 4588 0 4522 122 50 72 86 0 8 6 pvpl 32 15976 0 0 129 1 128 128 0 265 0 pmappl 248 2289 0 2261 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 347 0 82 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837b0ff0) 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 __mp_lock(ffffffff839fc750) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839fc750) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff839fc750) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839fc750) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd800a5621f8,40da00cb000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff8000340a0e20,40da00cb000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000340a0e20) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x79b969c3c4c0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff837b0ff0) 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 __mp_lock(ffffffff839fc750) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839fc750) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff839fc750) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839fc750) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd800a5621f8,40da00cb000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff8000340a0e20,40da00cb000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000340a0e20) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x79b969c3c4c0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at ufs_lookup+0x5e1: movzwl 0x4(%r15,%rbx,1),%r14d ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8078f66980,ffff80003c4dc6c0,ffff80003c4dc6f0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4dc690) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4dc690) at namei+0x7aa sys/kern/vfs_lookup.c:250 domkdirat(ffff8000ffffcf70,ffffff9c,74fdbde99d20,1ff) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 syscall(ffff80003c4dc870) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4dc870) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fdbde99dc0, count: 8 ddb{1}> trace ufs_lookup() at ufs_lookup+0x5e1 sys/ufs/ufs/ufs_lookup.c:279 VOP_LOOKUP(fffffd8078f66980,ffff80003c4dc6c0,ffff80003c4dc6f0) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003c4dc690) at vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 namei(ffff80003c4dc690) at namei+0x7aa sys/kern/vfs_lookup.c:250 domkdirat(ffff8000ffffcf70,ffffff9c,74fdbde99d20,1ff) at domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 syscall(ffff80003c4dc870) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4dc870) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fdbde99dc0, count: -7