panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 481560 34764 0 0 0 0 syz-executor *219959 93162 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8348c9c3) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806947b028,2000,fffffd80097fd6e8,ffff80003c3eccf0) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003c3ecdb0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38,ffff80003c3ece38) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffff2548,ffffff9c,2000000007c0,2000,0) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003c3ed0d0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ed0d0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6accb552c70, 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: ffs_valloc: dup alloc ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8348c9c3) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806947b028,2000,fffffd80097fd6e8,ffff80003c3eccf0) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003c3ecdb0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38,ffff80003c3ece38) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffff2548,ffffff9c,2000000007c0,2000,0) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003c3ed0d0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ed0d0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6accb552c70, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3eca80 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff8000ffff2548 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7e8bdeae2809559d r11 0x5adc138a10846e88 r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff8258b975 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3eca70 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=219959 pid=93162 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=75, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff2a78,0xffff8000ffff22c0 process=0xffff8000383b1360 user=0xffff80003c3e8000, vmspace=0xfffffd806c6ad3e8 estcpu=25, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34764 481560 88488 0 7 0 syz-executor 34764 187046 88488 0 3 0x4000080 fsleep syz-executor 50671 450510 44036 0 3 0x80 nanoslp syz-executor 50671 96005 44036 0 3 0x4000000 biowait syz-executor 50671 98605 44036 0 3 0x4000080 fsleep syz-executor 46965 320316 54496 0 3 0x80 nanoslp syz-executor 46965 486400 54496 0 3 0x4000080 lockf syz-executor 46965 433529 54496 0 3 0x4000080 fsleep syz-executor 84099 484803 63718 0 2 0 syz-executor 84099 321502 63718 0 3 0x4000080 fsleep syz-executor 9805 378503 86019 0 2 0 syz-executor 9805 366801 86019 0 3 0x4000080 fsleep syz-executor 9805 411512 86019 0 3 0x4000080 fsleep syz-executor 93162 340008 29249 0 2 0 syz-executor *93162 219959 29249 0 7 0x4000000 syz-executor 93162 469667 29249 0 2 0x4000000 syz-executor 8851 285481 0 0 3 0x14200 acct acct 88488 315825 50163 0 3 0x82 nanoslp syz-executor 54496 375288 50163 0 3 0x82 nanoslp syz-executor 86019 413860 50163 0 3 0x82 nanoslp syz-executor 29249 134343 50163 0 3 0x82 nanoslp syz-executor 63718 239624 50163 0 3 0x82 nanoslp syz-executor 44036 59204 50163 0 3 0x82 nanoslp syz-executor 93917 107834 50163 0 3 0x82 piperd syz-executor 50163 186587 18636 0 3 0x82 wait syz-executor 18636 512645 82022 0 3 0x10008a sigsusp ksh 82022 323599 1458 0 3 0x98 kqread sshd-session 1458 98656 848 0 3 0x92 kqread sshd-session 6634 190306 1 0 3 0x100083 ttyin getty 848 280142 1 0 3 0x88 kqread sshd 38628 264190 79526 74 3 0x1100092 bpf pflogd 79526 97594 1 0 3 0x80 sbwait pflogd 43944 363344 50254 73 3 0x1100090 kqread syslogd 50254 321281 1 0 3 0x100082 sbwait syslogd 77951 418743 1 0 3 0x100080 kqread resolvd 10226 375469 90670 77 3 0x100092 kqread dhcpleased 25721 346914 90670 77 3 0x100092 kqread dhcpleased 90670 128472 1 0 3 0x80 kqread dhcpleased 99155 123542 0 0 3 0x14200 bored smr 86315 34975 0 0 3 0x14200 pgzero zerothread 85574 244900 0 0 3 0x14200 aiodoned aiodoned 86714 444301 0 0 3 0x14200 syncer update 45856 488500 0 0 3 0x14200 cleaner cleaner 21470 32631 0 0 3 0x14200 reaper reaper 64240 399755 0 0 3 0x14200 pgdaemon pagedaemon 53 118555 0 0 3 0x14200 bored viomb 95492 110163 0 0 3 0x40014200 acpi0 acpi0 94311 293333 0 0 3 0x40014200 idle1 71023 333040 0 0 3 0x14200 bored softnet1 73500 22476 0 0 3 0x14200 bored softnet0 78852 325527 0 0 3 0x14200 bored systqmp 81611 110748 0 0 3 0x14200 bored systq 7597 381673 0 0 3 0x14200 tmoslp softclockmp 86565 223526 0 0 3 0x40014200 tmoslp softclock 62254 138824 0 0 3 0x40014200 idle0 1 129052 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 34764 (syz-executor) thread 0xffff800039bbd248 (481560) exclusive rwlock uobjlk r = 0 (0xfffffd806c62f340) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvm_fault+0x1e5 sys/uvm/uvm_fault.c:649 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c6adc88) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 93162 (syz-executor) thread 0xffff8000ffff2548 (219959) exclusive rrwlock inode r = 0 (0xfffffd806947b568) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #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:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 #10 domknodat+0x469 sys/kern/vfs_syscalls.c:1659 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806947b0c8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x10f sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1611 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83aa7580) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11070 12177K 12432K 166960K 12276 0 pcb 17 12K 12K 166960K 46 0 rtable 231 8K 8K 166960K 382 0 pf 37 18K 22K 166960K 57 0 ifaddr 41 6K 7K 166960K 49 0 ifgroup 59 2K 2K 166960K 66 0 sysctl 1 1K 9K 166960K 5 0 counters 72 37K 37K 166960K 78 0 ioctlops 0 0K 4K 166960K 1506 0 iov 0 0K 12K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1303 82K 82K 166960K 1433 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 6 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 93K 166960K 226 0 sigio 0 0K 0K 166960K 2 0 proc 70 115K 180K 166960K 564 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 264 0 in_multi 88 6K 7K 166960K 100 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 387 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 234 159K 168K 166960K 4064 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 41 82K 104K 166960K 1366 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 13 0K 1K 166960K 31 0 temp 40 9104K 9174K 166960K 6116 0 kqueue 13 20K 26K 166960K 39 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 42 0 39 1 0 1 1 0 8 0 rtentry 176 114 0 14 6 0 6 6 0 8 1 unpcb 144 48 0 31 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 19 0 14 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 133 0 125 2 0 2 2 0 8 1 nd6 152 25 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 2 0 2 1 0 1 1 0 8 1 pppxif 1576 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrent 40 1 0 1 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfstitem 24 25 0 0 1 0 1 1 0 8 0 pfstkey 128 27 0 2 1 0 1 1 0 8 0 pfstate 448 26 0 1 3 0 3 3 0 8 0 pfrule 1360 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 256 465 0 55 29 0 29 29 0 8 2 art_table 40 466 0 55 5 0 5 5 0 8 0 art_node 32 114 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 112 4 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1722 0 253 93 0 93 93 0 8 0 ffsino 296 1723 0 254 114 0 114 114 0 8 0 nchpl 144 2044 0 344 64 0 64 64 0 8 0 vnodes 216 1852 0 0 103 0 103 103 0 8 0 namei 1024 6246 0 6245 2 0 2 2 0 8 1 percpumem 16 54 0 3 1 0 1 1 0 8 0 kstatmem 264 35 0 4 3 0 3 3 0 8 0 scxspl 216 7161 0 7160 3 2 1 2 1 8 0 plimitpl 152 36 0 18 1 0 1 1 0 8 0 sigapl 424 541 0 494 7 0 7 7 0 8 1 knotepl 120 506 0 0 16 0 16 16 0 8 0 kqueuepl 224 47 0 38 1 0 1 1 0 8 0 pipepl 344 124 0 97 3 0 3 3 0 8 0 fdescpl 528 523 0 493 3 0 3 3 0 8 0 filepl 160 1997 0 1772 10 0 10 10 0 8 0 lockfpl 104 39 0 33 1 0 1 1 0 8 0 lockfspl 48 19 0 14 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 183 0 170 1 0 1 1 0 8 0 zombiepl 144 495 0 494 1 0 1 1 0 8 0 processpl 1232 541 0 494 5 0 5 5 0 8 0 procpl 664 688 0 631 6 0 6 6 0 8 1 sockpl 752 224 0 196 4 0 4 4 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 15 0 0 2 0 2 2 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 138 0 0 9 0 9 9 0 8 0 bufpl 280 2661 0 105 183 0 183 183 0 8 0 anonpl 32 7431 0 0 60 0 60 60 0 246 0 amapchunkpl 152 24057 0 23571 35 0 35 35 0 158 15 amappl16 200 2398 0 2133 16 2 14 14 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 431 0 430 1 0 1 1 0 8 0 amappl13 176 121 0 109 1 0 1 1 0 8 0 amappl12 168 785 0 756 2 0 2 2 0 8 0 amappl11 160 7 0 6 1 0 1 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 260 0 260 1 1 0 1 0 8 0 amappl8 136 104 0 102 1 0 1 1 0 8 0 amappl7 128 144 0 131 1 0 1 1 0 8 0 amappl6 120 162 0 161 1 0 1 1 0 8 0 amappl5 112 96 0 85 1 0 1 1 0 8 0 amappl4 104 289 0 270 1 0 1 1 0 8 0 amappl3 96 2063 0 1950 4 0 4 4 0 8 0 amappl2 88 530 0 466 2 0 2 2 0 8 0 amappl1 80 9628 0 9018 16 1 15 15 0 8 2 amappl 88 3332 0 3171 5 0 5 5 0 92 1 uvmvnodes 80 103 0 0 3 0 3 3 0 8 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 7 0 7 2 1 1 1 0 8 1 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 523 0 493 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 523 0 493 1 0 1 1 0 8 0 vmmpekpl 168 5981 0 5950 2 0 2 2 0 8 0 vmmpepl 168 41476 0 39365 92 0 92 92 0 357 0 vmsppl 488 522 0 493 5 0 5 5 0 8 1 rwobjpl 80 15173 0 13889 27 0 27 27 0 8 0 pdppl 4096 1053 0 986 97 26 71 85 0 8 4 pvpl 32 13460 0 0 110 1 109 109 0 265 0 pmappl 256 522 0 493 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 266 0 29 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8393dff0) 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(ffffffff83aa6d80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aa6d80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3e7a00,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83aa6d80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aa6d80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffffd806c6adb88,b1930e05000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff80003c3e7da0,b1930e05000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c3e7da0) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x703727e2d890, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8393dff0) 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(ffffffff83aa6d80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aa6d80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3e7a00,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83aa6d80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aa6d80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffffd806c6adb88,b1930e05000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff80003c3e7da0,b1930e05000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c3e7da0) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x703727e2d890, 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:438 panic(ffffffff8348c9c3) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806947b028,2000,fffffd80097fd6e8,ffff80003c3eccf0) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003c3ecdb0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38,ffff80003c3ece38) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffff2548,ffffff9c,2000000007c0,2000,0) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003c3ed0d0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ed0d0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6accb552c70, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8348c9c3) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806947b028,2000,fffffd80097fd6e8,ffff80003c3eccf0) at ffs_inode_alloc+0x94e ufs_makeinode(2000,fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_mknod(ffff80003c3ecdb0) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80627ce488,ffff80003c3ecf08,ffff80003c3ecf38,ffff80003c3ece38) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff8000ffff2548,ffffff9c,2000000007c0,2000,0) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff80003c3ed0d0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ed0d0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6accb552c70, count: -9