uvm_fault(0xffffffff82dc7538, 0xffff80001c58f110, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs2_balloc+0x7ae: movq 0(%rcx,%rax,8),%r15 TID PID UID PRFLAGS PFLAGS CPU COMMAND 294115 65351 0 0x2 0 0 syz-executor.7 *230152 99534 73 0x1100010 0 1K syslogd ffs2_balloc(fffffd806e69e118,bbeb9,53,fffffd807f7d76e8,1,ffff80002124f168) at ffs2_balloc+0x7ae sys/ufs/ffs/ffs_balloc.c:660 ffs_write(ffff80002124f200) at ffs_write+0x411 sys/ufs/ffs/ffs_vnops.c:346 VOP_WRITE(fffffd806e4b3c20,ffff80002124f420,3,fffffd807f7d76e8) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_write(fffffd806fff5260,ffff80002124f420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000211bd5c8,e,ffff80002124f420,0,ffff80002124f510) at dofilewritev+0x19c sys/kern/sys_generic.c:375 sys_writev(ffff8000211bd5c8,ffff80002124f4c0,ffff80002124f510) at sys_writev+0xa7 sys/kern/sys_generic.c:322 syscall(ffff80002124f590) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline] syscall(ffff80002124f590) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcd300, count: 7 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(0xffffffff82dc7538, 0xffff80001c58f110, 0, 1) -> d ddb{1}> trace ffs2_balloc(fffffd806e69e118,bbeb9,53,fffffd807f7d76e8,1,ffff80002124f168) at ffs2_balloc+0x7ae sys/ufs/ffs/ffs_balloc.c:660 ffs_write(ffff80002124f200) at ffs_write+0x411 sys/ufs/ffs/ffs_vnops.c:346 VOP_WRITE(fffffd806e4b3c20,ffff80002124f420,3,fffffd807f7d76e8) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_write(fffffd806fff5260,ffff80002124f420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000211bd5c8,e,ffff80002124f420,0,ffff80002124f510) at dofilewritev+0x19c sys/kern/sys_generic.c:375 sys_writev(ffff8000211bd5c8,ffff80002124f4c0,ffff80002124f510) at sys_writev+0xa7 sys/kern/sys_generic.c:322 syscall(ffff80002124f590) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline] syscall(ffff80002124f590) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcd300, count: -8 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002124f120 rbx 0xffffffff rdx 0 rcx 0xffff80001c58f000 rax 0x22 r8 0xffffffffffffffff r9 0xffff80002124f168 r10 0x7f3aa075718bac1f r11 0xfe6baca59e6344f1 r12 0x10 r13 0xfffffd805a9f35a0 r14 0 r15 0 rip 0xffffffff817b27ce ffs2_balloc+0x7ae cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002124ef90 ss 0x10 ffs2_balloc+0x7ae: movq 0(%rcx,%rax,8),%r15 ddb{1}> show proc PROC (syslogd) pid=230152 stat=onproc flags process=1100010 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021203888,0xffff80002121c2e0 process=0xffff80002122f680 user=0xffff80002124a000, vmspace=0xfffffd806f1176e8 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39633 471825 86094 0 2 0 syz-executor.6 69337 141574 85289 0 2 0 syz-executor.3 24467 121486 37898 0 2 0 syz-executor.4 24467 409119 37898 0 3 0x4000080 fsleep syz-executor.4 87451 399473 9193 0 2 0 syz-executor.0 87451 366275 9193 0 2 0x4000000 syz-executor.0 46967 496301 32630 0 2 0 syz-executor.5 46967 97852 32630 0 2 0x4000000 syz-executor.5 46967 138696 32630 0 3 0x4000080 fsleep syz-executor.5 46967 260291 32630 0 3 0x4000080 fsleep syz-executor.5 71696 5090 58827 0 2 0x482 syz-executor.2 9193 36164 58827 0 2 0x482 syz-executor.0 85289 341066 58827 0 3 0x82 nanoslp syz-executor.3 99408 24763 1 0 3 0 vmmaplk syz-executor.3 99408 369327 1 0 3 0x4000000 vmmaplk syz-executor.3 99408 444587 1 0 3 0x4000000 vmmaplk syz-executor.3 99408 166618 1 0 3 0x4000000 vmmaplk syz-executor.3 99408 16146 1 0 3 0x4000000 vmmaplk syz-executor.3 99408 304163 1 0 3 0x4000000 vmmaplk syz-executor.3 99408 17316 1 0 3 0x4000000 vmmaplk syz-executor.3 62725 503939 0 0 3 0x14200 acct acct 17345 36359 1 0 3 0x100083 ttyopn getty 86094 323793 58827 0 2 0x482 syz-executor.6 32630 92314 58827 0 3 0x82 nanoslp syz-executor.5 65351 294115 58827 0 7 0x2 syz-executor.7 37898 176918 58827 0 2 0x482 syz-executor.4 77814 213310 0 0 3 0x14280 nfsidl nfsio 3647 494906 0 0 3 0x14280 nfsidl nfsio 27279 46821 0 0 3 0x14280 nfsidl nfsio 29018 193116 0 0 3 0x14280 nfsidl nfsio 27284 291654 0 0 3 0x14280 nfsidl nfsio 95880 92307 0 0 3 0x14280 nfsidl nfsio 98923 503960 0 0 3 0x14280 nfsidl nfsio 28971 295643 0 0 3 0x14280 nfsidl nfsio 72047 73855 0 0 3 0x14280 nfsidl nfsio 29966 479544 0 0 3 0x14280 nfsidl nfsio 19835 130524 0 0 3 0x14280 nfsidl nfsio 29570 23369 0 0 3 0x14280 nfsidl nfsio 37254 264362 0 0 3 0x14280 nfsidl nfsio 99877 135935 0 0 3 0x14280 nfsidl nfsio 69497 246066 0 0 3 0x14280 nfsidl nfsio 81172 142150 0 0 3 0x14280 nfsidl nfsio 97408 419755 0 0 3 0x14280 nfsidl nfsio 22556 133727 0 0 3 0x14280 nfsidl nfsio 74387 268162 0 0 3 0x14280 nfsidl nfsio 37263 282109 0 0 3 0x14280 nfsidl nfsio 27136 320102 58827 0 2 0x482 syz-executor.1 65405 460859 0 0 3 0x14200 bored sosplice 58827 136329 39584 0 3 0x82 wait syz-fuzzer 58827 277366 39584 0 3 0x4000082 thrsleep syz-fuzzer 58827 213163 39584 0 3 0x4000082 wait syz-fuzzer 58827 328915 39584 0 3 0x4000082 wait syz-fuzzer 58827 233238 39584 0 3 0x4000082 thrsleep syz-fuzzer 58827 478768 39584 0 3 0x4000082 wait syz-fuzzer 58827 460061 39584 0 3 0x4000082 thrsleep syz-fuzzer 58827 420634 39584 0 3 0x4000082 thrsleep syz-fuzzer 58827 420105 39584 0 3 0x4000082 kqread syz-fuzzer 58827 108178 39584 0 3 0x4000082 thrsleep syz-fuzzer 58827 375602 39584 0 3 0x4000082 thrsleep syz-fuzzer 58827 232078 39584 0 3 0x4000082 wait syz-fuzzer 58827 119164 39584 0 3 0x4000082 thrsleep syz-fuzzer 58827 424946 39584 0 3 0x4000082 wait syz-fuzzer 58827 155046 39584 0 3 0x4000082 wait syz-fuzzer 58827 429376 39584 0 3 0x4000082 wait syz-fuzzer 39584 229046 27150 0 3 0x10008a sigsusp ksh 27150 330623 70973 0 3 0x9a kqread sshd 70973 478134 1 0 3 0x88 kqread sshd 2862 519236 22843 74 3 0x1100092 bpf pflogd 22843 98653 1 0 3 0x80 netio pflogd *99534 230152 74886 73 7 0x1100010 syslogd 74886 317198 1 0 3 0x100082 netio syslogd 91610 228615 1 0 3 0x100080 kqread resolvd 55488 466949 60020 77 3 0x100092 kqread dhcpleased 20465 316077 60020 77 3 0x100092 kqread dhcpleased 60020 358179 1 0 3 0x80 kqread dhcpleased 66807 183871 0 0 3 0x14200 bored smr 76400 223445 0 0 2 0x14200 zerothread 21574 140232 0 0 3 0x14200 aiodoned aiodoned 32210 417097 0 0 3 0x14200 syncer update 62511 231901 0 0 3 0x14200 cleaner cleaner 62508 448024 0 0 3 0x14200 reaper reaper 81491 458729 0 0 3 0x14200 pgdaemon pagedaemon 5649 314943 0 0 3 0x14200 bored viomb 36375 136707 0 0 3 0x40014200 acpi0 acpi0 28196 77313 0 0 3 0x40014200 idle1 70857 62281 0 0 3 0x14200 bored softnet 79723 192516 0 0 3 0x14200 bored softnet 91848 296495 0 0 3 0x14200 bored softnet 62489 174616 0 0 3 0x14200 bored softnet 99751 504718 0 0 3 0x14200 bored systqmp 63520 313630 0 0 3 0x14200 bored systq 83162 178170 0 0 3 0x40014200 bored softclock 73895 226914 0 0 3 0x40014200 idle0 1 9224 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10248 6506K 7066K 78643K 22381 0 pcb 13 18K 21K 78643K 1729 0 rtable 200 16K 18K 78643K 8333 0 ifaddr 78 26K 27K 78643K 645 0 sysctl 2 0K 4K 78643K 11 0 counters 58 35K 36K 78643K 422 0 ioctlops 0 0K 4K 78643K 2232 0 iov 0 0K 24K 78643K 1167 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1474 92K 92K 78643K 8730 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 90 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 18 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 81K 78643K 8537 0 sigio 0 0K 0K 78643K 211 0 proc 71 91K 128K 78643K 1582 0 subproc 117 7K 7K 78643K 429 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 844 0 in_multi 74 5K 6K 78643K 610 0 ether_multi 1 0K 0K 78643K 68 0 mrt 1 0K 0K 78643K 56 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 265 1182K 1182K 78643K 265 0 exec 0 0K 1K 78643K 1875 0 pfkey data 0 0K 0K 78643K 67 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 365 95K 101K 78643K 63366 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 289 0 NDP 14 0K 1K 78643K 220 0 temp 141 5778K 6802K 78643K 69960 0 kqueue 12 18K 26K 78643K 749 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 8074 0 8070 56 49 7 7 0 8 6 rtentry 112 561 0 480 6 3 3 4 0 8 0 unpcb 144 8303 0 8288 95 92 3 10 0 8 2 syncache 296 36 0 36 10 10 0 1 0 8 0 tcpqe 32 226 0 226 10 10 0 1 0 8 0 tcpcb 776 3293 0 3288 96 92 4 21 0 8 2 arp 120 76 0 62 1 0 1 1 0 8 0 inpcb 368 11681 0 11670 154 147 7 18 0 8 5 nd6 48 118 0 99 1 0 1 1 0 8 0 pkpcb 40 91 0 91 6 6 0 1 0 8 0 kcovpl 48 33 0 24 1 0 1 1 0 8 0 mppekey 1024 4 0 4 2 2 0 1 0 8 0 ppxss 1256 98 0 98 16 16 0 1 0 8 0 pppxif 1456 58 0 58 13 13 0 1 0 8 0 pfstscr 40 6 0 6 2 2 0 1 0 8 0 pffrag 232 33 0 33 6 6 0 1 0 482 0 pffrnode 88 30 0 30 6 6 0 1 0 8 0 pffrent 40 75 0 75 6 6 0 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 24 299 0 269 1 0 1 1 0 8 0 pfstkey 128 311 0 281 2 1 1 2 0 8 0 pfstate 384 305 0 275 10 7 3 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 6 0 5 6 5 1 2 0 8 0 art_heap4 256 2631 0 2278 52 28 24 29 0 8 0 art_table 32 2637 0 2283 7 3 4 4 0 8 0 art_node 16 556 0 486 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 39 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 12 0 3 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 14953 0 13483 93 0 93 93 0 8 0 ffsino 272 14953 0 13483 99 0 99 99 0 8 0 nchpl 144 27160 0 25518 63 0 63 63 0 8 0 uvmvnodes 80 11028 0 0 226 0 226 226 0 8 0 vnodes 216 11028 0 0 613 0 613 613 0 8 0 namei 1024 102240 0 102240 10 9 1 2 0 8 1 percpumem 16 224 0 182 1 0 1 1 0 8 0 vmpool 696 14 0 14 4 4 0 1 0 8 0 kstatmem 264 272 0 244 16 13 3 3 0 8 0 scsiplug 72 6 0 6 2 2 0 1 0 8 0 scxspl 216 82284 0 82284 37 33 4 8 0 8 4 plimitpl 152 1200 0 1183 1 0 1 1 0 8 0 sigapl 424 8896 0 8826 10 2 8 8 0 8 0 futexpl 64 83685 0 83682 11 10 1 1 0 8 0 knotepl 120 827 0 0 9 1 8 8 0 8 0 kqueuepl 216 1795 0 1787 28 27 1 6 0 8 0 pipepl 320 2934 0 2905 84 79 5 11 0 8 2 fdescpl 496 8796 0 8767 6 1 5 5 0 8 1 filepl 152 83566 0 83297 153 134 19 25 0 8 7 lockfpl 104 11032 0 11027 11 10 1 3 0 8 0 lockfspl 48 1492 0 1488 1 0 1 1 0 8 0 sessionpl 144 54 0 36 1 0 1 1 0 8 0 pgrppl 48 92 0 74 1 0 1 1 0 8 0 ucredpl 104 14455 0 14442 1 0 1 1 0 8 0 zombiepl 144 8828 0 8826 3 2 1 1 0 8 0 processpl 1072 8896 0 8826 6 1 5 5 0 8 0 procpl 696 26795 0 26699 29 19 10 11 0 8 0 srpgc 96 41 0 41 14 14 0 1 0 8 0 sosppl 168 79 0 79 13 13 0 1 0 8 0 sockpl 488 28245 0 28215 594 581 13 38 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 18 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 41 0 0 3 0 3 3 0 8 0 mcl4k 4096 50 0 0 4 1 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 505 0 0 47 18 29 47 0 8 0 mtagpl 96 377 0 0 7 0 7 7 0 8 0 mbufpl 256 8111 0 0 473 0 473 473 0 8 0 bufpl 288 17764 0 11442 452 0 452 452 0 8 0 anonpl 24 1842571 0 1826275 253 115 138 143 0 186 10 amapchunkpl 152 177330 0 176528 91 54 37 45 0 158 1 amappl16 200 15892 0 15365 113 79 34 41 0 8 4 amappl15 192 55 0 54 1 0 1 1 0 8 0 amappl14 184 244 0 229 2 1 1 2 0 8 0 amappl13 176 33 0 32 1 0 1 1 0 8 0 amappl12 168 759 0 753 1 0 1 1 0 8 0 amappl11 160 62 0 47 1 0 1 1 0 8 0 amappl10 152 66 0 54 1 0 1 1 0 8 0 amappl9 144 1006 0 1005 3 2 1 1 0 8 0 amappl8 136 509 0 412 4 0 4 4 0 8 0 amappl7 128 247 0 219 2 0 2 2 0 8 0 amappl6 120 363 0 349 2 1 1 2 0 8 0 amappl5 112 373 0 364 1 0 1 1 0 8 0 amappl4 104 948 0 910 4 2 2 2 0 8 0 amappl3 96 26941 0 26883 2 0 2 2 0 8 0 amappl2 88 10118 0 10036 4 2 2 4 0 8 0 amappl1 80 205467 0 204679 31 12 19 28 0 8 0 amappl 88 62380 0 62172 7 1 6 6 0 92 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 8810 0 8781 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8810 0 8781 1 0 1 1 0 8 0 vmmpekpl 168 82542 0 82471 4 0 4 4 0 8 0 vmmpepl 168 817703 0 814827 342 190 152 168 0 357 10 vmsppl 440 8809 0 8781 5 1 4 4 0 8 0 rwobjpl 56 231583 0 218601 189 4 185 185 0 8 0 pdppl 4096 17627 0 17562 720 649 71 77 0 8 6 pvpl 32 3672322 0 3649978 631 391 240 367 0 265 30 pmappl 248 8809 0 8781 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2143 0 877 37 0 37 37 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82b43ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff80002bfd5270) at syscall+0x53d mi_syscall sys/sys/syscall_mi.h:112 [inline] syscall(ffff80002bfd5270) at syscall+0x53d sys/arch/amd64/amd64/trap.c:626 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffec4f0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff82b43ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dbfec0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff80002bfd5270) at syscall+0x53d mi_syscall sys/sys/syscall_mi.h:112 [inline] syscall(ffff80002bfd5270) at syscall+0x53d sys/arch/amd64/amd64/trap.c:626 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffec4f0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at ffs2_balloc+0x7ae: movq 0(%rcx,%rax,8),%r15 ffs2_balloc(fffffd806e69e118,bbeb9,53,fffffd807f7d76e8,1,ffff80002124f168) at ffs2_balloc+0x7ae sys/ufs/ffs/ffs_balloc.c:660 ffs_write(ffff80002124f200) at ffs_write+0x411 sys/ufs/ffs/ffs_vnops.c:346 VOP_WRITE(fffffd806e4b3c20,ffff80002124f420,3,fffffd807f7d76e8) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_write(fffffd806fff5260,ffff80002124f420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000211bd5c8,e,ffff80002124f420,0,ffff80002124f510) at dofilewritev+0x19c sys/kern/sys_generic.c:375 sys_writev(ffff8000211bd5c8,ffff80002124f4c0,ffff80002124f510) at sys_writev+0xa7 sys/kern/sys_generic.c:322 syscall(ffff80002124f590) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline] syscall(ffff80002124f590) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcd300, count: 7 ddb{1}> trace ffs2_balloc(fffffd806e69e118,bbeb9,53,fffffd807f7d76e8,1,ffff80002124f168) at ffs2_balloc+0x7ae sys/ufs/ffs/ffs_balloc.c:660 ffs_write(ffff80002124f200) at ffs_write+0x411 sys/ufs/ffs/ffs_vnops.c:346 VOP_WRITE(fffffd806e4b3c20,ffff80002124f420,3,fffffd807f7d76e8) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245 vn_write(fffffd806fff5260,ffff80002124f420,0) at vn_write+0x157 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000211bd5c8,e,ffff80002124f420,0,ffff80002124f510) at dofilewritev+0x19c sys/kern/sys_generic.c:375 sys_writev(ffff8000211bd5c8,ffff80002124f4c0,ffff80002124f510) at sys_writev+0xa7 sys/kern/sys_generic.c:322 syscall(ffff80002124f590) at syscall+0x57c mi_syscall sys/sys/syscall_mi.h:113 [inline] syscall(ffff80002124f590) at syscall+0x57c sys/arch/amd64/amd64/trap.c:626 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcd300, count: -8