panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 28600 61676 0 0 0x4000000 1 syz-executor * 47640 94707 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8349897d) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c684840,8100,fffffd80097fd340,ffff80003c3c0410) at ffs_inode_alloc+0x94e ufs_makeinode(8100,fffffd8061a05d88,ffff80003c3c0748,ffff80003c3c0778) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_create(ffff80003c3c04c0) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd8061a05d88,ffff80003c3c0748,ffff80003c3c0778,ffff80003c3c0540) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 vn_open(ffff80003c3c0718,1828a,100) at vn_open+0x50d sys/kern/vfs_vnops.c:118 doopenat(ffff8000fffe8020,ffffff9c,200000000040,18289,110,0,97d1031ed812cdb5) at doopenat+0x35b sys/kern/vfs_syscalls.c:1161 sys_open(ffff8000fffe8020,ffff80003c3c09d0,ffff80003c3c0920) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063 syscall(ffff80003c3c09d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3c09d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc22fe13d60, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: ffs_valloc: dup alloc ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8349897d) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c684840,8100,fffffd80097fd340,ffff80003c3c0410) at ffs_inode_alloc+0x94e ufs_makeinode(8100,fffffd8061a05d88,ffff80003c3c0748,ffff80003c3c0778) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_create(ffff80003c3c04c0) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd8061a05d88,ffff80003c3c0748,ffff80003c3c0778,ffff80003c3c0540) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 vn_open(ffff80003c3c0718,1828a,100) at vn_open+0x50d sys/kern/vfs_vnops.c:118 doopenat(ffff8000fffe8020,ffffff9c,200000000040,18289,110,0,97d1031ed812cdb5) at doopenat+0x35b sys/kern/vfs_syscalls.c:1161 sys_open(ffff8000fffe8020,ffff80003c3c09d0,ffff80003c3c0920) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063 syscall(ffff80003c3c09d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3c09d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc22fe13d60, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3c01a0 rbx 0xffffffff83929e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000fffe8020 rax 0xffffffff83928ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3e93acf2ca547614 r11 0x6dd6632a3c1e9a9c r12 0xffffffff83929c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff8270b8e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3c0190 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=47640 pid=94707 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe9248,0xffff80002a234fb8 process=0xffff8000fffed828 user=0xffff80003c3bb000, vmspace=0xfffffd806b757d78 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 32985 441096 14057 0 2 0 syz-executor 32985 314409 14057 0 2 0x4000000 syz-executor 61676 86859 15604 0 2 0 syz-executor 61676 28600 15604 0 7 0x4000000 syz-executor 61676 481926 15604 0 2 0x4000000 syz-executor 61676 3671 15604 0 3 0x4000080 fsleep syz-executor 94707 472424 12896 0 2 0 syz-executor 94707 498906 12896 0 3 0x4000080 fsleep syz-executor *94707 47640 12896 0 7 0x4000000 syz-executor 94707 250489 12896 0 3 0x4000000 inode syz-executor 46154 386651 12083 0 2 0xc80 syz-executor 46154 29064 12083 0 3 0x4000080 fifor syz-executor 46154 380548 12083 0 3 0x4000080 fsleep syz-executor 2977 6695 80693 0 3 0x80 nanoslp syz-executor 2977 108496 80693 0 3 0x4000080 sbwait syz-executor 2977 417609 80693 0 3 0x4000080 fsleep syz-executor 31735 291774 6685 0 2 0xc80 syz-executor 31735 114630 6685 0 3 0x4000080 kqread syz-executor 31735 448753 6685 0 3 0x4000080 fsleep syz-executor 14057 144697 60858 0 2 0xc82 syz-executor 6685 389332 60858 0 3 0x82 nanoslp syz-executor 15604 48855 60858 0 3 0x82 nanoslp syz-executor 85664 467444 60858 0 3 0x82 nanoslp syz-executor 12896 98134 60858 0 2 0xc82 syz-executor 80693 24901 60858 0 3 0x82 nanoslp syz-executor 12083 194994 60858 0 3 0x82 nanoslp syz-executor 60858 274224 12268 0 3 0x82 wait syz-executor 12268 6456 8702 0 3 0x10008a sigsusp ksh 8702 27707 14843 0 3 0x98 kqread sshd-session 14843 112597 81220 0 3 0x92 kqread sshd-session 93546 315097 1 0 3 0x100083 ttyopn getty 81220 520016 1 0 3 0x88 kqread sshd 12457 111458 54649 74 3 0x1100092 bpf pflogd 54649 100329 1 0 3 0x80 sbwait pflogd 74598 164060 26643 73 3 0x1100090 kqread syslogd 26643 388239 1 0 3 0x100082 sbwait syslogd 417 249168 1 0 3 0x100080 kqread resolvd 75539 484338 48425 77 3 0x100092 kqread dhcpleased 72525 500623 48425 77 3 0x100092 kqread dhcpleased 48425 350875 1 0 3 0x80 kqread dhcpleased 96034 56156 0 0 3 0x14200 bored smr 34254 164927 0 0 3 0x14200 pgzero zerothread 16944 484634 0 0 3 0x14200 aiodoned aiodoned 57382 349412 0 0 3 0x14200 syncer update 22848 72363 0 0 3 0x14200 cleaner cleaner 82056 176114 0 0 3 0x14200 reaper reaper 1742 162197 0 0 3 0x14200 pgdaemon pagedaemon 45835 217142 0 0 3 0x14200 bored viomb 98598 273671 0 0 3 0x40014200 acpi0 acpi0 95037 4770 0 0 3 0x40014200 idle1 34215 510473 0 0 3 0x14200 bored softnet1 20254 1570 0 0 3 0x14200 bored softnet0 39084 146286 0 0 3 0x14200 bored systqmp 49584 397255 0 0 3 0x14200 bored systq 46190 1945 0 0 3 0x14200 tmoslp softclockmp 16665 160857 0 0 3 0x40014200 tmoslp softclock 23825 326285 0 0 3 0x40014200 idle0 1 196873 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 94707 (syz-executor) thread 0xffff8000fffe8020 (47640) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a3b680) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 ffs_vget+0x283 sys/ufs/ffs/ffs_vfsops.c:1249 #5 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #6 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #7 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #8 VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 #9 vn_open+0x50d sys/kern/vfs_vnops.c:118 #10 doopenat+0x35b sys/kern/vfs_syscalls.c:1161 #11 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c684440) #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_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 #10 vn_open+0x50d sys/kern/vfs_vnops.c:118 #11 doopenat+0x35b sys/kern/vfs_syscalls.c:1161 #12 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #13 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c6848e0) #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+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 vn_open+0x22e sys/kern/vfs_vnops.c:109 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1161 #9 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11057 12082K 12095K 166960K 12161 0 pcb 19 12K 12K 166960K 26 0 rtable 237 6K 7K 166960K 360 0 pf 35 17K 18K 166960K 46 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 3 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1493 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1292 81K 81K 166960K 1368 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 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 149 0 proc 70 115K 180K 166960K 558 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 402 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 248 168K 176K 166960K 3310 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 42 84K 103K 166960K 1348 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3 0 NDP 28 2K 2K 166960K 28 0 temp 34 9112K 9174K 166960K 4318 0 kqueue 14 22K 24K 166960K 28 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 38 0 35 1 0 1 1 0 8 0 rtentry 176 111 0 1 5 0 5 5 0 8 0 unpcb 144 43 0 24 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 8 0 4 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 80 0 69 2 0 2 2 0 8 1 nd6 152 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 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 pfstitem 24 19 0 0 1 0 1 1 0 8 0 pfstkey 128 19 0 0 1 0 1 1 0 8 0 pfstate 448 19 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 0 29 0 29 29 0 8 0 art_table 40 454 0 0 5 0 5 5 0 8 0 art_node 32 111 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 64 4 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1592 0 123 93 0 93 93 0 8 0 ffsino 296 1605 0 136 114 0 114 114 0 8 0 nchpl 144 1807 0 100 64 0 64 64 0 8 0 vnodes 216 1695 0 0 95 0 95 95 0 8 0 namei 1024 5786 0 5784 2 0 2 2 0 8 1 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6218 0 6218 3 1 2 2 1 8 2 plimitpl 152 30 0 13 1 0 1 1 0 8 0 sigapl 424 479 0 432 7 0 7 7 0 8 0 knotepl 120 101 0 0 4 0 4 4 0 8 0 kqueuepl 224 26 0 15 1 0 1 1 0 8 0 pipepl 344 130 0 103 3 0 3 3 0 8 0 fdescpl 528 463 0 432 3 0 3 3 0 8 0 filepl 160 1726 0 1501 10 0 10 10 0 8 0 lockfpl 104 10 0 7 1 0 1 1 0 8 0 lockfspl 48 6 0 3 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 89 0 76 1 0 1 1 0 8 0 zombiepl 144 434 0 432 1 0 1 1 0 8 0 processpl 1232 479 0 432 5 0 5 5 0 8 1 procpl 664 510 0 450 6 0 6 6 0 8 1 sosppl 176 1 0 0 1 0 1 1 0 8 0 sockpl 752 162 0 129 4 0 4 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 13 0 0 2 0 2 2 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 124 0 0 8 0 8 8 0 8 0 bufpl 280 2334 0 105 160 0 160 160 0 8 0 anonpl 32 3686 0 0 30 0 30 30 0 246 0 amapchunkpl 152 8896 0 8384 29 0 29 29 0 158 9 amappl16 200 1493 0 1475 5 0 5 5 0 8 4 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 468 0 467 1 0 1 1 0 8 0 amappl13 176 137 0 125 1 0 1 1 0 8 0 amappl12 168 721 0 691 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 0 1 1 0 8 1 amappl10 152 67 0 52 1 0 1 1 0 8 0 amappl9 144 276 0 275 1 0 1 1 0 8 0 amappl8 136 98 0 96 1 0 1 1 0 8 0 amappl7 128 174 0 161 1 0 1 1 0 8 0 amappl6 120 177 0 176 1 0 1 1 0 8 0 amappl5 112 98 0 88 1 0 1 1 0 8 0 amappl4 104 309 0 289 1 0 1 1 0 8 0 amappl3 96 1580 0 1462 4 0 4 4 0 8 0 amappl2 88 564 0 502 2 0 2 2 0 8 0 amappl1 80 10632 0 10019 15 0 15 15 0 8 0 amappl 88 2547 0 2374 5 0 5 5 0 92 0 uvmvnodes 80 100 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 463 0 432 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 463 0 432 1 0 1 1 0 8 0 vmmpekpl 168 5865 0 5835 2 0 2 2 0 8 0 vmmpepl 168 39070 0 37146 88 0 88 88 0 357 2 vmsppl 488 462 0 432 5 0 5 5 0 8 0 rwobjpl 80 14564 0 13524 24 0 24 24 0 8 0 pdppl 4096 933 0 864 105 20 85 85 0 8 16 pvpl 32 9829 0 0 81 1 80 80 0 265 0 pmappl 256 462 0 432 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 275 0 23 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8349897d) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c684840,8100,fffffd80097fd340,ffff80003c3c0410) at ffs_inode_alloc+0x94e ufs_makeinode(8100,fffffd8061a05d88,ffff80003c3c0748,ffff80003c3c0778) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_create(ffff80003c3c04c0) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd8061a05d88,ffff80003c3c0748,ffff80003c3c0778,ffff80003c3c0540) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 vn_open(ffff80003c3c0718,1828a,100) at vn_open+0x50d sys/kern/vfs_vnops.c:118 doopenat(ffff8000fffe8020,ffffff9c,200000000040,18289,110,0,97d1031ed812cdb5) at doopenat+0x35b sys/kern/vfs_syscalls.c:1161 sys_open(ffff8000fffe8020,ffff80003c3c09d0,ffff80003c3c0920) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063 syscall(ffff80003c3c09d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3c09d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbc22fe13d60, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff80002999dff0) 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(ffffffff83a3ae80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a3ae80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83a3ae80,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 biowait(fffffd805f88dc38) at biowait+0xc6 sys/kern/vfs_bio.c:1242 readdoslabel(fffffd805f88dc38,ffffffff829f1d80,ffff800001616000,0,0) at readdoslabel+0x675 readdisksector sys/kern/subr_disk.c:299 [inline] readdoslabel(fffffd805f88dc38,ffffffff829f1d80,ffff800001616000,0,0) at readdoslabel+0x675 sys/kern/subr_disk.c:391 readdisklabel(d02,ffffffff829f1d80,ffff800001616000,0) at readdisklabel+0x1f6 sys/arch/amd64/amd64/disksubr.c:96 sdgetdisklabel(d01,ffff8000002a2c00,ffff800001616000,0) at sdgetdisklabel+0x897 sys/scsi/sd.c:1167 sdioctl(d01,20006473,ffff80003c3c6b50,1,ffff8000fffe8a80) at sdioctl+0x6fb sys/scsi/sd.c:881 VOP_IOCTL(fffffd805fbaaa30,20006473,ffff80003c3c6b50,1,fffffd80097fd340,ffff8000fffe8a80) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8061b387c8,20006473,ffff80003c3c6b50,ffff8000fffe8a80) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff8000fffe8a80,ffff80003c3c6d30,ffff80003c3c6c80) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 end trace frame: 0xffff80003c3c6d20, count: 0 ddb{1}> trace x86_ipi_db(ffff80002999dff0) 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(ffffffff83a3ae80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a3ae80) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83a3ae80,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 biowait(fffffd805f88dc38) at biowait+0xc6 sys/kern/vfs_bio.c:1242 readdoslabel(fffffd805f88dc38,ffffffff829f1d80,ffff800001616000,0,0) at readdoslabel+0x675 readdisksector sys/kern/subr_disk.c:299 [inline] readdoslabel(fffffd805f88dc38,ffffffff829f1d80,ffff800001616000,0,0) at readdoslabel+0x675 sys/kern/subr_disk.c:391 readdisklabel(d02,ffffffff829f1d80,ffff800001616000,0) at readdisklabel+0x1f6 sys/arch/amd64/amd64/disksubr.c:96 sdgetdisklabel(d01,ffff8000002a2c00,ffff800001616000,0) at sdgetdisklabel+0x897 sys/scsi/sd.c:1167 sdioctl(d01,20006473,ffff80003c3c6b50,1,ffff8000fffe8a80) at sdioctl+0x6fb sys/scsi/sd.c:881 VOP_IOCTL(fffffd805fbaaa30,20006473,ffff80003c3c6b50,1,fffffd80097fd340,ffff8000fffe8a80) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8061b387c8,20006473,ffff80003c3c6b50,ffff8000fffe8a80) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff8000fffe8a80,ffff80003c3c6d30,ffff80003c3c6c80) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3c6d30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3c6d30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37550470ad0, count: -16