uvm_fault(0xffffffff83a9f750, 0xffff800022052018, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND 315963 46073 0 0x1000 0x4080000 0 syz-executor *474537 69974 0 0x2 0x1 1K syz-executor ffs2_balloc(fffffd806c896028,3e53b,50,fffffd80097fd7b8,1,ffff80002a3081d8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a308260) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8077c1f498,ffff80002a308310,3,fffffd80097fd7b8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd9f8,fffffd8077c1f498,fffffd80097fd7b8,ffff80002a3083e0,ffff80002a3083c0) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a3084b0) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a3084b0) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a308560) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a308560) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792dd4d19c40, 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(0xffffffff83a9f750, 0xffff800022052018, 0, 1) -> d ddb{1}> trace ffs2_balloc(fffffd806c896028,3e53b,50,fffffd80097fd7b8,1,ffff80002a3081d8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a308260) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8077c1f498,ffff80002a308310,3,fffffd80097fd7b8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd9f8,fffffd8077c1f498,fffffd80097fd7b8,ffff80002a3083e0,ffff80002a3083c0) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a3084b0) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a3084b0) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a308560) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a308560) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792dd4d19c40, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a308180 rbx 0 rdx 0 rcx 0xffff800022052000 rax 0x3 r8 0xffffffffffffffff r9 0xffff80002a3081d8 r10 0x99b3b0789820dfbe r11 0x96c9615bbf377eda r12 0x1 r13 0xffff800000c31800 r14 0xffff80002a308010 r15 0xfffffd805f567128 rip 0xffffffff82dabf3d ffs2_balloc+0xa0d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a308000 ss 0 ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ddb{1}> show proc PROC (syz-executor) tid=474537 pid=69974 tcnt=1 stat=onproc flags process=2 proc=1 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffcd00,0xffff8000ffffd240 process=0xffff8000ffff4008 user=0xffff80002a303000, vmspace=0xfffffd806f59d3d8 estcpu=36, cpticks=138, pctcpu=1.11, user=2, sys=135, intr=1 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28285 263101 19665 0 2 0 syz-executor 28285 450580 19665 0 2 0x4000000 syz-executor 20550 7537 69974 0 2 0 syz-executor 20550 289239 69974 0 3 0x4000080 ttybg syz-executor 20550 320287 69974 0 3 0x4000080 ttyout syz-executor 28445 327737 1 0 3 0x82 nanoslp getty 46073 107739 84090 0 3 0x3000 suspend syz-executor 46073 315963 84090 0 7 0x4081000 syz-executor 84004 218683 59555 0 2 0xc82 syz-executor 18263 352449 0 0 3 0x14280 nfsidl nfsio 21916 469190 0 0 3 0x14280 nfsidl nfsio 96208 173634 0 0 3 0x14280 nfsidl nfsio 94531 228055 0 0 3 0x14280 nfsidl nfsio 43056 350122 0 0 3 0x14280 nfsidl nfsio 60354 8660 0 0 3 0x14280 nfsidl nfsio 38644 361612 0 0 3 0x14280 nfsidl nfsio 13278 478725 0 0 3 0x14280 nfsidl nfsio 49197 334240 0 0 3 0x14280 nfsidl nfsio 82136 390962 0 0 3 0x14280 nfsidl nfsio 66174 509789 0 0 3 0x14280 nfsidl nfsio 77769 89241 0 0 3 0x14280 nfsidl nfsio 85951 148843 0 0 3 0x14280 nfsidl nfsio 21627 76272 0 0 3 0x14280 nfsidl nfsio 95801 45471 0 0 3 0x14280 nfsidl nfsio 85520 193937 0 0 3 0x14280 nfsidl nfsio 39066 352831 0 0 3 0x14280 nfsidl nfsio 75925 100240 0 0 3 0x14280 nfsidl nfsio 48009 493659 0 0 3 0x14280 nfsidl nfsio 56976 197287 0 0 3 0x14280 nfsidl nfsio 49312 248592 16532 0 3 0x100082 sbwait arp 16532 398790 29582 0 3 0x10008a sigsusp sh 47571 144972 59555 0 3 0x82 wait syz-executor 52683 150507 59555 0 2 0x2 syz-executor 19665 197135 59555 0 2 0xc82 syz-executor 84090 237939 59555 0 2 0xc82 syz-executor *69974 474537 59555 0 7 0x3 syz-executor 29582 140992 59555 0 3 0x82 wait syz-executor 60156 358406 59555 0 2 0xc82 syz-executor 59555 225817 1 0 2 0x2 syz-executor 10689 465723 0 0 3 0x14200 bored smr 4769 251924 0 0 3 0x14200 pgzero zerothread 94350 726 0 0 3 0x14200 aiodoned aiodoned 58360 284054 0 0 3 0x14200 syncer update 14210 168295 0 0 3 0x14200 cleaner cleaner 62482 522201 0 0 3 0x14200 reaper reaper 23283 518503 0 0 3 0x14200 pgdaemon pagedaemon 68576 52309 0 0 3 0x14200 bored viomb 32940 102155 0 0 3 0x40014200 acpi0 acpi0 47307 233713 0 0 3 0x40014200 idle1 758 242857 0 0 3 0x14200 bored softnet1 42551 36646 0 0 3 0x14200 bored softnet0 23773 514064 0 0 3 0x14200 bored systqmp 48067 279849 0 0 3 0x14200 bored systq 36707 158328 0 0 3 0x14200 tmoslp softclockmp 41947 500260 0 0 3 0x40014200 tmoslp softclock 51906 53751 0 0 3 0x40014200 idle0 1 124257 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 46073 (syz-executor) thread 0xffff80002a396fc8 (315963) exclusive rrwlock inode r = 0 (0xfffffd806fe65e90) #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:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 52683 (syz-executor) thread 0xffff80002a2614d8 (150507) exclusive rrwlock inode r = 0 (0xfffffd806de088c0) #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_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cc18680) #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:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #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 Process 69974 (syz-executor) thread 0xffff8000ffffd9f8 (474537) exclusive rrwlock inode r = 0 (0xfffffd806c8960c8) #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:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ktrwriteraw+0x175 sys/kern/kern_ktrace.c:688 #7 ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] #7 ktrsysret+0x192 sys/kern/kern_ktrace.c:209 #8 syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] #8 syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83994bc0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] #1 ktrsysret+0xde sys/kern/kern_ktrace.c:209 #2 syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] #2 syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 #3 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11077 12016K 12291K 166960K 12423 0 pcb 18 13K 13K 166960K 101 0 rtable 185 10K 12K 166960K 463 0 pf 40 19K 25K 166960K 115 0 ifaddr 33 5K 7K 166960K 57 0 ifgroup 52 2K 2K 166960K 78 0 sysctl 4 1K 9K 166960K 44 0 counters 68 36K 37K 166960K 132 0 ioctlops 0 0K 4K 166960K 1648 0 iov 0 0K 16K 166960K 16 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1319 83K 83K 166960K 1685 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 24 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 65K 89K 166960K 558 0 sigio 0 0K 0K 166960K 3 0 proc 22 33K 164K 166960K 608 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 45 0 in_multi 64 4K 6K 166960K 109 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 610 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 152 84K 191K 166960K 7199 0 UVM aobj 11 4K 4K 166960K 13 0 pinsyscall 21 42K 103K 166960K 1789 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 21 0 NDP 11 0K 1K 166960K 37 0 temp 49 9077K 9333K 166960K 25588 0 kqueue 1 2K 28K 166960K 117 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 78 0 77 1 0 1 1 0 8 0 rtentry 176 120 0 49 5 0 5 5 0 8 0 unpcb 144 266 0 266 2 0 2 2 0 8 2 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 736 144 0 142 4 0 4 4 0 8 3 arp 136 19 0 6 1 0 1 1 0 8 0 inpcb 328 558 0 555 7 0 7 7 0 8 5 nd6 152 26 0 9 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 28 0 28 1 1 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 3 0 3 1 0 1 1 0 482 1 pffrnode 88 3 0 3 1 0 1 1 0 8 1 pffrent 40 7 0 7 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 24 0 18 1 0 1 1 0 8 0 pfanchor 1288 6 0 2 1 0 1 1 0 8 0 pftag 88 3 0 3 1 0 1 1 0 8 1 pfstitem 24 48 0 4 1 0 1 1 0 8 0 pfstkey 128 52 0 8 2 0 2 2 0 8 0 pfstate 448 48 0 6 5 0 5 5 0 8 0 pfrule 1360 29 0 21 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 500 0 197 27 2 25 27 0 8 5 art_table 40 502 0 197 5 0 5 5 0 8 0 art_node 32 119 0 55 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semapl 112 21 0 11 1 0 1 1 0 8 0 shmpl 112 10 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2362 0 899 93 1 92 93 0 8 0 ffsino 296 2362 0 899 114 0 114 114 0 8 0 nchpl 144 3135 0 1427 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 vnodes 216 2614 0 0 146 0 146 146 0 8 0 namei 1024 10776 0 10775 4 1 3 3 0 8 2 percpumem 16 81 0 32 1 0 1 1 0 8 0 pfiaddrpl 120 6 0 4 1 0 1 1 0 8 0 kstatmem 264 42 0 18 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 19670 0 19670 4 2 2 2 1 8 2 plimitpl 152 142 0 130 1 0 1 1 0 8 0 sigapl 424 908 0 852 8 0 8 8 0 8 0 knotepl 120 763 0 0 24 0 24 24 0 8 0 kqueuepl 224 174 0 172 2 1 1 2 0 8 0 pipepl 344 251 0 224 3 0 3 3 0 8 0 fdescpl 528 871 0 851 3 0 3 3 0 8 0 filepl 160 4796 0 4627 15 1 14 15 0 8 4 lockfpl 104 238 0 237 1 0 1 1 0 8 0 lockfspl 48 88 0 87 1 0 1 1 0 8 0 sessionpl 144 41 0 39 1 0 1 1 0 8 0 pgrppl 48 54 0 44 1 0 1 1 0 8 0 ucredpl 104 640 0 636 1 0 1 1 0 8 0 zombiepl 144 856 0 852 1 0 1 1 0 8 0 processpl 1232 908 0 852 6 0 6 6 0 8 0 procpl 664 1651 0 1591 8 1 7 8 0 8 0 sosppl 176 7 0 7 1 0 1 1 0 8 1 sockpl 752 920 0 916 12 2 10 12 0 8 8 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 247 0 0 16 0 16 16 0 8 0 bufpl 280 9074 0 2944 438 0 438 438 0 8 0 anonpl 32 11552 0 0 94 0 94 94 0 246 0 amapchunkpl 152 22681 0 22221 30 2 28 30 0 158 6 amappl16 200 3999 0 3923 34 20 14 25 0 8 8 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 447 0 446 1 0 1 1 0 8 0 amappl13 176 141 0 139 1 0 1 1 0 8 0 amappl12 168 1173 0 1154 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 134 0 134 1 0 1 1 0 8 1 amappl9 144 260 0 260 1 1 0 1 0 8 0 amappl8 136 115 0 114 1 0 1 1 0 8 0 amappl7 128 160 0 157 1 0 1 1 0 8 0 amappl6 120 172 0 170 1 0 1 1 0 8 0 amappl5 112 110 0 109 1 0 1 1 0 8 0 amappl4 104 318 0 313 1 0 1 1 0 8 0 amappl3 96 4309 0 4225 4 0 4 4 0 8 0 amappl2 88 609 0 596 2 0 2 2 0 8 0 amappl1 80 13243 0 13102 17 0 17 17 0 8 6 amappl 88 6280 0 6147 5 0 5 5 0 92 0 uvmvnodes 80 114 0 0 3 0 3 3 0 8 0 dma32768 32768 1 0 1 1 1 0 1 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 128 254 0 254 2 1 1 1 0 8 1 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 12 0 2 1 0 1 1 0 8 0 uaddrrnd 24 871 0 851 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 871 0 851 1 0 1 1 0 8 0 vmmpekpl 168 9949 0 9909 3 0 3 3 0 8 0 vmmpepl 168 66748 0 65797 118 0 118 118 0 357 59 vmsppl 488 870 0 851 5 0 5 5 0 8 0 rwobjpl 80 22463 0 21907 36 2 34 36 0 8 8 pdppl 4096 1749 0 1702 111 60 51 83 0 8 4 pvpl 32 19591 0 0 158 0 158 158 0 265 0 pmappl 256 870 0 851 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 298 0 69 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838bdff0) 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(ffffffff839943c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839943c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff839943c0,1) 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(fffffd805f8e7138) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd805f8e7138) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs2_balloc(fffffd806fe65df0,738000,4000,fffffd80097fd7b8,2,ffff8000383c1da8) at ffs2_balloc+0x18b4 sys/ufs/ffs/ffs_balloc.c:701 ffs_write(ffff8000383c1e30) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805d49c3a8,ffff8000383c1fe8,7,fffffd80097fd7b8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806b890bb0,ffff8000383c1fe8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a396fc8,4,ffff8000383c1fe8,0,ffff8000383c20a0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a396fc8,ffff8000383c2150,ffff8000383c20a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 end trace frame: 0xffff8000383c2140, count: 0 ddb{0}> trace x86_ipi_db(ffffffff838bdff0) 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(ffffffff839943c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839943c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff839943c0,1) 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(fffffd805f8e7138) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd805f8e7138) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs2_balloc(fffffd806fe65df0,738000,4000,fffffd80097fd7b8,2,ffff8000383c1da8) at ffs2_balloc+0x18b4 sys/ufs/ffs/ffs_balloc.c:701 ffs_write(ffff8000383c1e30) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805d49c3a8,ffff8000383c1fe8,7,fffffd80097fd7b8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806b890bb0,ffff8000383c1fe8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a396fc8,4,ffff8000383c1fe8,0,ffff8000383c20a0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a396fc8,ffff8000383c2150,ffff8000383c20a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff8000383c2150) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000383c2150) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78b682bff60, count: -16 ddb{0}>