panic: ffs_valloc: dup alloc Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND 44839 23636 0 0 0 0 syz-executor *170990 26226 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff847f1980) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff800001c05ac8,8000,ffff800000118270,ffff8000326e6d50) at ffs_inode_alloc+0xd4b ufs_makeinode(8000,ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff8000326e6ea0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370,ffff8000326e6fc0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff8000326e7310,7c7,0) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003469bcb0,ffffff9c,200000000040,7c6,0,0,ffff8000326e7670) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003469bcb0,ffff8000326e7670,ffff8000326e75e0) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff8000326e7670) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000326e7670) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x724933858c0, count: 4 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}> show kasan kasan: no report recorded this boot ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff847f1980) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff800001c05ac8,8000,ffff800000118270,ffff8000326e6d50) at ffs_inode_alloc+0xd4b ufs_makeinode(8000,ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff8000326e6ea0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370,ffff8000326e6fc0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff8000326e7310,7c7,0) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003469bcb0,ffffff9c,200000000040,7c6,0,0,ffff8000326e7670) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003469bcb0,ffff8000326e7670,ffff8000326e75e0) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff8000326e7670) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000326e7670) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x724933858c0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000326e6990 rbx 0xdfff908000000004 rdx 0 rcx 0xffff800028f93ff0 rax 0 r8 0xffffffff r9 0 r10 0xfffffd800be8a2a0 r11 0xffffffff81a373d0 x86_bus_space_io_read_1 r12 0xffff800028f94e0f r13 0xffff800028f94c10 r14 0x1ffff000064dcd3c r15 0x1 rip 0xffffffff83ac31e7 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff8000326e6990 ss 0 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=170990 pid=26226 tcnt=6 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=78, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003469ad20,0xffff80003469afc8 process=0xffff80002989fa30 user=0xffff8000326dc000, vmspace=0xffff800001bf8208 estcpu=28, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 23636 44839 16904 0 7 0 0 syz-executor 58516 397937 7612 0 2 0 0 syz-executor 77785 516739 36578 0 2 0 0 syz-executor 26226 393538 42419 0 2 0 0 syz-executor 26226 222518 42419 0 3 0 0x4000080 fsleep syz-executor 26226 372797 42419 0 3 0 0x4000080 fsleep syz-executor *26226 170990 42419 0 7 0 0x4000000 syz-executor 26226 69757 42419 0 2 0 0x4000000 syz-executor 26226 209568 42419 0 3 0 0x4000080 fsleep syz-executor 28965 124726 71958 0 2 0x2 0 ifconfig 40762 189672 14046 0 2 0 0 syz-executor 40762 11478 14046 0 3 0 0x4000080 fsleep syz-executor 71958 194176 76061 0 3 0x100002 0x88 sigsusp sh 76061 171387 78244 0 3 0x2 0x80 wait syz-executor 31874 118390 78244 0 2 0x2 0 syz-executor 7612 490669 78244 0 2 0x2 0 syz-executor 42419 293068 78244 0 3 0x2 0x80 nanoslp syz-executor 36578 206032 78244 0 3 0x2 0x80 nanoslp syz-executor 30584 275860 78244 0 3 0x2 0x80 nanoslp syz-executor 16904 300073 78244 0 3 0x2 0x80 nanoslp syz-executor 14046 518806 78244 0 3 0x2 0x80 nanoslp syz-executor 78244 441825 57625 0 3 0x2 0x80 kqread syz-executor 57625 303009 68395 0 3 0x100002 0x88 sigsusp ksh 68395 337826 10515 0 3 0x10 0x88 kqread sshd-session 10515 429608 93789 0 3 0x12 0x80 kqread sshd-session 89915 349367 1 0 3 0x100003 0x80 ttyin getty 93789 485118 1 0 3 0 0x88 kqread sshd 77865 106646 70525 74 3 0x1100012 0x80 bpf pflogd 70525 38610 1 0 3 0 0x80 sbwait pflogd 93886 519919 2535 73 3 0x1100010 0x80 kqread syslogd 2535 468070 1 0 3 0x100002 0x80 sbwait syslogd-parent 90635 488420 1 0 3 0x100000 0x80 kqread resolvd 50551 297666 80592 77 3 0x100012 0x80 kqread dhcpleased 63459 249883 80592 77 3 0x100012 0x80 kqread dhcpleased 80592 477406 1 0 3 0 0x80 kqread dhcpleased 84763 447704 0 0 3 0x14000 0x200 bored smr 50482 204549 0 0 2 0x14000 0x200 zerothread 41480 376411 0 0 3 0x14000 0x200 aiodoned aiodoned 74187 466090 0 0 3 0x14000 0x200 syncer update 75247 180423 0 0 3 0x14000 0x200 cleaner cleaner 77077 321382 0 0 3 0x14000 0x200 reaper reaper 25911 503114 0 0 3 0x14000 0x200 pgdaemon pagedaemon 2953 109830 0 0 3 0x14000 0x200 bored viomb 41066 301799 0 0 3 0x14000 0x40000200 acpi0 acpi0 76737 27406 0 0 3 0x14000 0x40000200 idle1 86471 493855 0 0 3 0x14000 0x200 bored softnet1 19013 434302 0 0 3 0x14000 0x200 bored softnet0 6189 392387 0 0 3 0x14000 0x200 bored systqmp 50583 194029 0 0 3 0x14000 0x200 bored systq 39311 323198 0 0 3 0x14000 0x200 tmoslp softclockmp 35257 239727 0 0 3 0x14000 0x40000200 tmoslp softclock 26695 430934 0 0 3 0x14000 0x40000200 idle0 1 402649 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 26226 (syz-executor) thread 0xffff80003469bcb0 (170990) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff855aa2c0) #0 witness_lock+0x534 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x534 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 mi_switch+0x73e sys/kern/sched_bsd.c:443 #3 sleep_finish+0x3dc sys/kern/kern_synch.c:369 #4 biowait+0xe6 sys/kern/vfs_bio.c:1110 #5 ffs_vget+0x508 sys/ufs/ffs/ffs_vfsops.c:1249 #6 ffs_inode_alloc+0x579 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 #8 ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 #10 vn_open+0x720 sys/kern/vfs_vnops.c:118 #11 doopenat+0x51b sys/kern/vfs_syscalls.c:1163 #12 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #13 syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0x118e sys/arch/amd64/amd64/trap.c:791 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001c05c90) #0 witness_lock+0x534 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x534 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x4e4 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf5 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x186 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xdc sys/ufs/ufs/ufs_ihash.c:152 #5 ffs_vget+0x2fc sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x579 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 #8 ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 #10 vn_open+0x720 sys/kern/vfs_vnops.c:118 #11 doopenat+0x51b sys/kern/vfs_syscalls.c:1163 #12 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #13 syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0x118e sys/arch/amd64/amd64/trap.c:791 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001c05b68) #0 witness_lock+0x534 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x534 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x4e4 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf5 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x186 sys/kern/vfs_vops.c:527 #4 vn_lock+0xba sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1da sys/kern/vfs_lookup.c:431 #6 namei+0xcba sys/kern/vfs_lookup.c:250 #7 vn_open+0x33e sys/kern/vfs_vnops.c:109 #8 doopenat+0x51b sys/kern/vfs_syscalls.c:1163 #9 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #10 syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x118e sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11071 12255K 12408K 166960K 12231 0 pcb 19 28K 32K 166960K 41 0 rtable 223 20K 31K 166960K 478 0 pf 38 23K 26K 166960K 62 0 ifaddr 42 11K 13K 166960K 68 0 ifgroup 63 2K 3K 166960K 87 0 sysctl 1 1K 13K 166960K 5 0 counters 74 43K 45K 166960K 86 0 ioctlops 5 5K 195K 166960K 1504 0 iov 0 0K 67K 166960K 67 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1311 84K 87K 166960K 1489 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 2K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 7 0K 1K 166960K 9 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 405K 166960K 12472 0 file desc 18 65K 117K 166960K 294 0 sigio 1 0K 0K 166960K 2 0 proc 143 147K 180K 166960K 700 0 subproc 72 9K 14K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 0 0K 0K 166960K 4 0 in_multi 78 5K 8K 166960K 144 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 49 344K 344K 166960K 49 0 exec 37 9K 18K 166960K 454 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 14 124K 124K 166960K 15 0 UVM amap 509 317K 369K 166960K 4134 0 UVM aobj 38 4K 4K 166960K 38 0 pinsyscall 171 293K 386K 166960K 1559 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 20 0K 2K 166960K 44 0 temp 462 9389K 9464K 166960K 4406 0 kqueue 16 52K 84K 166960K 43 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 44 0 41 1 0 1 1 0 8 0 rtentry 176 159 0 67 6 0 6 6 0 8 1 unpcb 144 181 0 164 3 0 3 3 0 8 2 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 85 0 80 4 0 4 4 0 8 3 arp 136 28 0 12 1 0 1 1 0 8 0 inpcb 328 266 0 256 10 1 9 10 0 8 8 nd6 152 36 0 18 1 0 1 1 0 8 0 kcovpl 48 14 0 6 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 34 0 0 1 0 1 1 0 8 0 pfstkey 128 34 0 0 2 0 2 2 0 8 0 pfstate 448 34 0 0 4 0 4 4 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 256 636 0 264 29 2 27 29 0 8 3 art_table 40 637 0 264 5 0 5 5 0 8 0 art_node 32 159 0 75 1 0 1 1 0 8 0 semapl 72 6 0 1 1 0 1 1 0 8 0 shmpl 120 35 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1713 0 226 93 0 93 93 0 8 0 ffsino 296 1713 0 226 115 0 115 115 0 8 0 nchpl 144 2034 0 307 65 0 65 65 0 8 0 vnodes 216 1908 0 0 106 0 106 106 0 8 0 namei 1024 7945 0 7944 3 1 2 2 0 8 1 percpumem 16 59 0 6 1 0 1 1 0 8 0 kstatmem 264 45 0 12 3 0 3 3 0 8 0 scxspl 216 7356 0 7356 2 1 1 2 1 8 1 plimitpl 152 50 0 32 1 0 1 1 0 8 0 sigapl 424 586 0 538 7 0 7 7 0 8 1 knotepl 120 63 0 0 2 0 2 2 0 8 0 kqueuepl 224 57 0 48 1 0 1 1 0 8 0 pipepl 344 161 0 133 3 0 3 3 0 8 0 fdescpl 528 570 0 538 3 0 3 3 0 8 0 filepl 160 2803 0 2548 16 0 16 16 0 8 4 lockfpl 104 18 0 16 1 0 1 1 0 8 0 lockfspl 48 10 0 8 1 0 1 1 0 8 0 sessionpl 144 33 0 24 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 182 0 169 1 0 1 1 0 8 0 zombiepl 144 539 0 538 1 0 1 1 0 8 0 processpl 1240 586 0 538 5 0 5 5 0 8 0 procpl 664 734 0 680 6 0 6 6 0 8 0 sockpl 752 495 0 465 17 6 11 17 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 19 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 606 0 0 38 0 38 38 0 8 0 bufpl 272 2465 0 93 159 0 159 159 0 8 0 anonpl 32 5500 0 0 45 0 45 45 0 222 0 amapchunkpl 152 11764 0 11388 24 0 24 24 0 158 6 amappl16 200 1820 0 1804 5 3 2 5 0 8 0 amappl15 192 15 0 15 2 2 0 1 0 8 0 amappl14 184 488 0 486 1 0 1 1 0 8 0 amappl13 176 129 0 117 1 0 1 1 0 8 0 amappl12 168 833 0 806 2 0 2 2 0 8 0 amappl11 160 7 0 7 2 1 1 1 0 8 1 amappl10 152 93 0 81 1 0 1 1 0 8 0 amappl9 144 293 0 293 1 1 0 1 0 8 0 amappl8 136 115 0 112 1 0 1 1 0 8 0 amappl7 128 153 0 140 1 0 1 1 0 8 0 amappl6 120 147 0 144 1 0 1 1 0 8 0 amappl5 112 159 0 149 1 0 1 1 0 8 0 amappl4 104 309 0 292 1 0 1 1 0 8 0 amappl3 96 2261 0 2166 4 0 4 4 0 8 0 amappl2 88 467 0 411 2 0 2 2 0 8 0 amappl1 80 11332 0 10731 15 0 15 15 0 8 1 amappl 88 3362 0 3230 4 0 4 4 0 92 0 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 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 37 0 0 1 0 1 1 0 8 0 uaddrrnd 24 570 0 538 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 570 0 538 1 0 1 1 0 8 0 vmmpekpl 168 6451 0 6413 3 0 3 3 0 8 0 vmmpepl 168 45840 0 44014 88 0 88 88 0 357 2 vmsppl 488 569 0 538 5 0 5 5 0 8 0 rwobjpl 80 16394 0 15370 24 0 24 24 0 8 0 pdppl 4096 1148 0 1076 104 24 80 84 0 8 8 pvpl 32 12760 0 0 103 0 103 103 0 265 0 pmappl 256 569 0 538 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 120 468 0 32 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1f: addq $0x8,%rsp x86_ipi_db(ffffffff854efff0) at x86_ipi_db+0x1f sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0xfd sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff855a9ac0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff855a9ac0) at __mp_lock+0x272 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x250 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff855a9ac0) at __mp_lock+0x275 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff855a9ac0) at __mp_lock+0x275 sys/kern/kern_lock.c:173 syscall(ffff800029a166c0) at syscall+0x10c1 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff800029a166c0) at syscall+0x10c1 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x718ec5434190, count: 5 ddb{0}> trace x86_ipi_db(ffffffff854efff0) at x86_ipi_db+0x1f sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0xfd sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff855a9ac0) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff855a9ac0) at __mp_lock+0x272 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x250 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff855a9ac0) at __mp_lock+0x275 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff855a9ac0) at __mp_lock+0x275 sys/kern/kern_lock.c:173 syscall(ffff800029a166c0) at syscall+0x10c1 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff800029a166c0) at syscall+0x10c1 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x718ec5434190, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x17: popq %rbp db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff847f1980) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff800001c05ac8,8000,ffff800000118270,ffff8000326e6d50) at ffs_inode_alloc+0xd4b ufs_makeinode(8000,ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff8000326e6ea0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370,ffff8000326e6fc0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff8000326e7310,7c7,0) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003469bcb0,ffffff9c,200000000040,7c6,0,0,ffff8000326e7670) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003469bcb0,ffff8000326e7670,ffff8000326e75e0) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff8000326e7670) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000326e7670) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x724933858c0, count: 4 ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff847f1980) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff800001c05ac8,8000,ffff800000118270,ffff8000326e6d50) at ffs_inode_alloc+0xd4b ufs_makeinode(8000,ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff8000326e6ea0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff800001ceb2d0,ffff8000326e7340,ffff8000326e7370,ffff8000326e6fc0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff8000326e7310,7c7,0) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003469bcb0,ffffff9c,200000000040,7c6,0,0,ffff8000326e7670) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003469bcb0,ffff8000326e7670,ffff8000326e75e0) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff8000326e7670) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000326e7670) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x724933858c0, count: -11