panic: ffs_valloc: dup alloc Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *127386 5355 0 0 0x4000000 1K syz-executor 23871 14725 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84a364e0) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff8000019db818,8104,ffff8000001190d0,ffff80003b6eaa70) at ffs_inode_alloc+0xd4b ufs_makeinode(8104,ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff80003b6eabc0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090,ffff80003b6eace0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff80003b6eb030,201,104) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003bb40558,ffffff9c,200000000540,200,104,0,ffff80003b6eb3a0) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003bb40558,ffff80003b6eb3a0,ffff80003b6eb300) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003b6eb3a0) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b6eb3a0) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd61723668e0, 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(ffffffff84a364e0) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff8000019db818,8104,ffff8000001190d0,ffff80003b6eaa70) at ffs_inode_alloc+0xd4b ufs_makeinode(8104,ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff80003b6eabc0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090,ffff80003b6eace0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff80003b6eb030,201,104) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003bb40558,ffffff9c,200000000540,200,104,0,ffff80003b6eb3a0) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003bb40558,ffff80003b6eb3a0,ffff80003b6eb300) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003b6eb3a0) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b6eb3a0) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd61723668e0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003b6ea6b0 rbx 0xdfff908000000004 rdx 0 rcx 0xffff800028f93ff0 rax 0xffff800000142780 r8 0xffffffff r9 0 r10 0xffff80003b6ea618 r11 0xffffffff8226a080 x86_bus_space_io_read_1 r12 0xffff800028f94e0f r13 0xffff800028f94c10 r14 0x1ffff000076dd4e0 r15 0x1 rip 0xffffffff81169c17 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80003b6ea6b0 ss 0x10 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=127386 pid=5355 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=73, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003bb407f0,0xffff80003bb414f8 process=0xffff800029a7e200 user=0xffff80003b6e0000, vmspace=0xffff800001bc03f0 estcpu=23, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 29426 218234 62362 0 2 0x100002 0 ndp 56876 430000 59607 0 2 0 0 syz-executor 56876 206114 59607 0 3 0 0x4000080 fsleep syz-executor 62362 315337 79658 0 3 0x100002 0x88 sigsusp sh 86052 131039 70210 0 2 0 0 syz-executor 86052 111947 70210 0 2 0 0x4000000 syz-executor 2159 224208 4648 -1 2 0x10 0 syz-executor 2159 114383 4648 -1 3 0x10 0x4000080 sbwait syz-executor 23437 421415 99082 0 2 0 0 syz-executor 23437 207463 99082 0 3 0 0x4000080 fsleep syz-executor 23437 389339 99082 0 3 0 0x4000080 fsleep syz-executor 23437 23629 99082 0 3 0 0x4000080 fsleep syz-executor 5355 431376 33688 0 2 0 0 syz-executor * 5355 127386 33688 0 7 0 0x4000000 syz-executor 5355 476996 33688 0 3 0 0x4000080 fsleep syz-executor 14725 23871 97342 0 7 0x2 0x1 syz-executor 47892 17319 26502 0 3 0 0x80 nanoslp syz-executor 47892 313412 26502 0 3 0 0x4000080 sbwait syz-executor 47892 250721 26502 0 3 0 0x4000080 fsleep syz-executor 79658 187747 97342 0 3 0x2 0x80 wait syz-executor 1759 142748 1 0 3 0x100003 0x80 ttyin getty 4648 241436 97342 0 2 0x2 0xc80 syz-executor 33688 501545 97342 0 3 0x2 0x80 nanoslp syz-executor 99082 388268 97342 0 3 0x2 0x80 nanoslp syz-executor 59607 477325 97342 0 2 0x2 0xc80 syz-executor 70210 161251 97342 0 2 0x2 0xc80 syz-executor 26502 171602 97342 0 3 0x2 0x80 nanoslp syz-executor 97342 267332 1 0 3 0x2 0x80 kqread syz-executor 74791 249542 0 0 3 0x14000 0x200 bored smr 12931 457827 0 0 2 0x14000 0x200 zerothread 2697 77936 0 0 3 0x14000 0x200 aiodoned aiodoned 12837 382761 0 0 3 0x14000 0x200 syncer update 5541 393454 0 0 3 0x14000 0x200 cleaner cleaner 65004 466335 0 0 3 0x14000 0x200 reaper reaper 60792 40600 0 0 3 0x14000 0x200 pgdaemon pagedaemon 41082 254024 0 0 3 0x14000 0x200 bored viomb 79519 510998 0 0 3 0x14000 0x40000200 acpi0 acpi0 14582 256004 0 0 3 0x14000 0x40000200 idle1 9832 40809 0 0 3 0x14000 0x200 bored softnet1 60315 180693 0 0 3 0x14000 0x200 bored softnet0 30588 93152 0 0 3 0x14000 0x200 smrbar systqmp 79218 394698 0 0 3 0x14000 0x200 bored systq 60909 209668 0 0 3 0x14000 0x200 tmoslp softclockmp 1545 26464 0 0 3 0x14000 0x40000200 tmoslp softclock 90153 127105 0 0 3 0x14000 0x40000200 idle0 1 304144 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 5355 (syz-executor) thread 0xffff80003bb40558 (127386) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff85602680) #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 (0xffff800001c88598) #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 (0xffff8000019db8b8) #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 Process 30588 (systqmp) thread 0xffff800045ffe530 (93152) shared rwlock systqmp r = 0 (0xffffffff854c5518) #0 witness_lock+0x534 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x534 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x1da sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11077 12203K 12621K 166960K 12258 0 pcb 20 24K 25K 166960K 38 0 rtable 273 21K 30K 166960K 534 0 pf 41 24K 26K 166960K 71 0 ifaddr 49 14K 15K 166960K 77 0 ifgroup 68 2K 3K 166960K 101 0 sysctl 3 1K 13K 166960K 7 0 counters 76 44K 45K 166960K 92 0 ioctlops 3 1K 194K 166960K 1501 0 iov 1 0K 12K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 3 0K 12K 166960K 8 0 vnodes 1328 86K 88K 166960K 1524 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 0K 166960K 7 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 413K 166960K 11964 0 file desc 19 65K 121K 166960K 324 0 sigio 1 0K 0K 166960K 2 0 proc 57 48K 181K 166960K 740 0 subproc 81 10K 12K 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 2 0 in_multi 110 8K 8K 166960K 171 0 ether_multi 1 0K 0K 166960K 1 0 mrt 2 0K 0K 166960K 9 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 67 465K 465K 166960K 67 0 exec 25 6K 18K 166960K 467 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 510 188K 351K 166960K 4506 0 UVM aobj 5 4K 4K 166960K 5 0 pinsyscall 115 202K 384K 166960K 1622 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 4 0 NDP 23 1K 2K 166960K 52 0 temp 312 9310K 9470K 166960K 4384 0 kqueue 6 21K 84K 166960K 52 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 46 0 45 1 0 1 1 0 8 0 rtentry 176 182 0 83 6 0 6 6 0 8 0 unpcb 144 140 0 134 2 0 2 2 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 19 0 17 1 0 1 1 0 8 0 arp 136 30 0 14 1 0 1 1 0 8 0 inpcb 328 266 0 260 7 0 7 7 0 8 6 nd6 152 44 0 23 2 0 2 2 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 14 0 7 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 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 pftag 88 1 0 1 1 0 1 1 0 8 1 pfstitem 24 39 0 0 1 0 1 1 0 8 0 pfstkey 128 39 0 0 2 0 2 2 0 8 0 pfstate 448 39 0 0 5 0 5 5 0 8 0 pfrule 1360 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 767 0 355 29 0 29 29 0 8 3 art_table 40 768 0 355 5 0 5 5 0 8 0 art_node 32 182 0 81 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 72 5 0 0 1 0 1 1 0 8 0 shmpl 120 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1792 0 304 93 0 93 93 0 8 0 ffsino 296 1792 0 304 115 0 115 115 0 8 0 nchpl 144 2145 0 413 65 0 65 65 0 8 0 vnodes 216 1980 0 0 110 0 110 110 0 8 0 namei 1024 8015 0 8014 3 1 2 2 0 8 1 percpumem 16 62 0 11 1 0 1 1 0 8 0 kstatmem 264 51 0 22 3 0 3 3 0 8 1 scxspl 216 7474 0 7474 3 2 1 2 1 8 1 plimitpl 152 48 0 37 1 0 1 1 0 8 0 sigapl 424 617 0 581 7 0 7 7 0 8 1 knotepl 120 132 0 0 4 0 4 4 0 8 0 kqueuepl 224 61 0 60 1 0 1 1 0 8 0 pipepl 344 217 0 187 6 0 6 6 0 8 3 fdescpl 528 601 0 581 3 0 3 3 0 8 0 filepl 160 2746 0 2572 13 0 13 13 0 8 2 lockfpl 104 57 0 56 1 0 1 1 0 8 0 lockfspl 48 25 0 24 1 0 1 1 0 8 0 sessionpl 144 36 0 33 1 0 1 1 0 8 0 pgrppl 48 51 0 40 1 0 1 1 0 8 0 ucredpl 104 304 0 300 1 0 1 1 0 8 0 zombiepl 144 581 0 581 1 0 1 1 0 8 1 processpl 1240 617 0 581 5 0 5 5 0 8 1 procpl 664 819 0 773 6 0 6 6 0 8 0 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 752 454 0 441 10 1 9 10 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 7 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 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mextrefs 64 20 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 271 0 0 17 0 17 17 0 8 0 bufpl 272 2492 0 94 160 0 160 160 0 8 0 anonpl 32 3801 0 0 31 0 31 31 0 222 0 amapchunkpl 152 12618 0 12267 20 0 20 20 0 158 3 amappl16 200 1960 0 1944 5 3 2 5 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 492 0 491 1 0 1 1 0 8 0 amappl13 176 128 0 126 1 0 1 1 0 8 0 amappl12 168 871 0 853 2 0 2 2 0 8 0 amappl11 160 9 0 9 1 0 1 1 0 8 1 amappl10 152 73 0 73 1 0 1 1 0 8 1 amappl9 144 284 0 284 1 1 0 1 0 8 0 amappl8 136 114 0 114 1 0 1 1 0 8 1 amappl7 128 156 0 153 1 0 1 1 0 8 0 amappl6 120 160 0 159 1 0 1 1 0 8 0 amappl5 112 165 0 165 1 0 1 1 0 8 1 amappl4 104 308 0 305 1 0 1 1 0 8 0 amappl3 96 2415 0 2335 4 0 4 4 0 8 1 amappl2 88 478 0 470 2 0 2 2 0 8 0 amappl1 80 11346 0 11205 15 0 15 15 0 8 8 amappl 88 3703 0 3586 4 0 4 4 0 92 0 uvmvnodes 80 102 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 601 0 581 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 601 0 581 1 0 1 1 0 8 0 vmmpekpl 168 6984 0 6940 3 0 3 3 0 8 0 vmmpepl 168 47717 0 46858 86 0 86 86 0 357 48 vmsppl 488 600 0 581 6 1 5 5 0 8 1 rwobjpl 80 16792 0 16344 25 1 24 24 0 8 4 pdppl 4096 1211 0 1162 97 48 49 87 0 8 0 pvpl 32 10475 0 0 86 1 85 85 0 265 0 pmappl 256 600 0 581 4 1 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 442 0 55 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1f: addq $0x8,%rsp x86_ipi_db(ffffffff85214ff0) 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(ffffffff85601e80) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85601e80) at __mp_lock+0x272 sys/kern/kern_lock.c:173 ktrsysret(ffff800029853770,fd,0,ffff80003bb2f060) at ktrsysret+0x19b ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff800029853770,fd,0,ffff80003bb2f060) at ktrsysret+0x19b sys/kern/kern_ktrace.c:209 syscall(ffff80003bb2f100) at syscall+0x4b0 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80003bb2f100) at syscall+0x4b0 sys/arch/amd64/amd64/trap.c:812 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a3ac50adf20, count: 8 ddb{0}> trace x86_ipi_db(ffffffff85214ff0) 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(ffffffff85601e80) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85601e80) at __mp_lock+0x272 sys/kern/kern_lock.c:173 ktrsysret(ffff800029853770,fd,0,ffff80003bb2f060) at ktrsysret+0x19b ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff800029853770,fd,0,ffff80003bb2f060) at ktrsysret+0x19b sys/kern/kern_ktrace.c:209 syscall(ffff80003bb2f100) at syscall+0x4b0 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80003bb2f100) at syscall+0x4b0 sys/arch/amd64/amd64/trap.c:812 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a3ac50adf20, count: -7 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(ffffffff84a364e0) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff8000019db818,8104,ffff8000001190d0,ffff80003b6eaa70) at ffs_inode_alloc+0xd4b ufs_makeinode(8104,ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff80003b6eabc0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090,ffff80003b6eace0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff80003b6eb030,201,104) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003bb40558,ffffff9c,200000000540,200,104,0,ffff80003b6eb3a0) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003bb40558,ffff80003b6eb3a0,ffff80003b6eb300) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003b6eb3a0) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b6eb3a0) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd61723668e0, count: 4 ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84a364e0) at panic+0x296 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff8000019db818,8104,ffff8000001190d0,ffff80003b6eaa70) at ffs_inode_alloc+0xd4b ufs_makeinode(8104,ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090) at ufs_makeinode+0x1fc sys/ufs/ufs/ufs_vnops.c:1759 ufs_create(ffff80003b6eabc0) at ufs_create+0xcf sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(ffff8000018aabd8,ffff80003b6eb060,ffff80003b6eb090,ffff80003b6eace0) at VOP_CREATE+0x1ed sys/kern/vfs_vops.c:103 vn_open(ffff80003b6eb030,201,104) at vn_open+0x720 sys/kern/vfs_vnops.c:118 doopenat(ffff80003bb40558,ffffff9c,200000000540,200,104,0,ffff80003b6eb3a0) at doopenat+0x51b sys/kern/vfs_syscalls.c:1163 sys_open(ffff80003bb40558,ffff80003b6eb3a0,ffff80003b6eb300) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003b6eb3a0) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b6eb3a0) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd61723668e0, count: -11 ddb{1}>