uvm_fault(0xffffffff8354a888, 0xffff8000252f2028, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs2_balloc+0x9fe: movq 0(%rcx,%rax,8),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *503611 87681 0 0x2 0x1 1K syz-executor 278247 9416 0 0x14000 0x40000200 0 softclock ffs2_balloc(fffffd805cb0f550,467f2,50,fffffd807f7d3478,1,ffff80003098b738) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003098b7c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80619bfa20,ffff80003098b878,3,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002f985468,fffffd80619bfa20,fffffd807f7d3478,ffff80003098b940,ffff80003098b920) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsysret(ffff80002f985468,5b,0,ffff80003098ba10) at ktrsysret+0x18b sys/kern/kern_ktrace.c:206 syscall(ffff80003098bac0) at syscall+0xa2f mi_syscall_return sys/sys/syscall_mi.h:209 [inline] syscall(ffff80003098bac0) at syscall+0xa2f sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d9c375044b0, 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(0xffffffff8354a888, 0xffff8000252f2028, 0, 1) -> d ddb{1}> trace ffs2_balloc(fffffd805cb0f550,467f2,50,fffffd807f7d3478,1,ffff80003098b738) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003098b7c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80619bfa20,ffff80003098b878,3,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002f985468,fffffd80619bfa20,fffffd807f7d3478,ffff80003098b940,ffff80003098b920) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsysret(ffff80002f985468,5b,0,ffff80003098ba10) at ktrsysret+0x18b sys/kern/kern_ktrace.c:206 syscall(ffff80003098bac0) at syscall+0xa2f mi_syscall_return sys/sys/syscall_mi.h:209 [inline] syscall(ffff80003098bac0) at syscall+0xa2f sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d9c375044b0, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003098b6e0 rbx 0 rdx 0 rcx 0xffff8000252f2000 rax 0x5 r8 0xffffffffffffffff r9 0xffff80003098b738 r10 0x10accde9a06b4cb8 r11 0x972aab56c2b88523 r12 0x10 r13 0x1 r14 0xffffffff r15 0xfffffd806af66468 rip 0xffffffff828c492e ffs2_balloc+0x9fe cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80003098b570 ss 0x10 ffs2_balloc+0x9fe: movq 0(%rcx,%rax,8),%r14 ddb{1}> show proc PROC (syz-executor) tid=503611 pid=87681 tcnt=1 stat=onproc flags process=2 proc=1 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002f9842b0,0xffff80002f985700 process=0xffff8000359a56b0 user=0xffff800030986000, vmspace=0xfffffd80092fe528 estcpu=36, cpticks=3, pctcpu=0.3, user=0, sys=5, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79664 114255 545 0 2 0x100000 sh 545 361942 46227 0 3 0x10008a sigsusp sh 43234 131810 79825 0 2 0 syz-executor 16611 180650 79178 0 2 0 syz-executor 16611 432817 79178 0 3 0x4000080 fifor syz-executor 70305 383982 39619 0 2 0 syz-executor 70305 458229 39619 0 3 0x4000080 fsleep syz-executor 35475 68186 26462 0 2 0x2 sh 99725 65789 561 0 2 0 syz-executor 99725 271019 561 0 3 0x4000080 ttyopn syz-executor 99725 41401 561 0 3 0x4000080 ttyopn syz-executor 99725 66512 561 0 2 0x4000000 syz-executor 62722 365083 87681 0 2 0 syz-executor 62722 236748 87681 0 3 0x4000080 fsleep syz-executor 62722 243402 87681 0 3 0x4000080 fsleep syz-executor 2307 499688 20998 0 2 0 syz-executor 2307 483674 20998 0 3 0x4000080 fsleep syz-executor 26462 202019 74922 0 3 0x82 wait syz-executor 46227 6192 74922 0 3 0x82 wait syz-executor 79178 433656 74922 0 2 0x482 syz-executor *87681 503611 74922 0 7 0x3 syz-executor 20998 264120 74922 0 2 0x2 syz-executor 79825 221351 74922 0 2 0x482 syz-executor 561 86740 74922 0 2 0x482 syz-executor 39619 18527 74922 0 2 0x482 syz-executor 46446 350589 0 0 3 0x14280 nfsidl nfsio 33201 377023 0 0 3 0x14280 nfsidl nfsio 43488 141502 0 0 3 0x14280 nfsidl nfsio 16785 241627 0 0 3 0x14280 nfsidl nfsio 31133 185791 0 0 3 0x14280 nfsidl nfsio 33619 225246 0 0 3 0x14280 nfsidl nfsio 62340 471928 0 0 3 0x14280 nfsidl nfsio 77847 116608 0 0 3 0x14280 nfsidl nfsio 63934 369262 0 0 3 0x14280 nfsidl nfsio 48962 280574 0 0 3 0x14280 nfsidl nfsio 50344 303655 0 0 3 0x14280 nfsidl nfsio 38792 230484 0 0 3 0x14280 nfsidl nfsio 72017 265925 0 0 3 0x14280 nfsidl nfsio 75116 451309 0 0 3 0x14280 nfsidl nfsio 32806 52663 0 0 3 0x14280 nfsidl nfsio 35243 431630 0 0 3 0x14280 nfsidl nfsio 23659 520053 0 0 3 0x14280 nfsidl nfsio 27648 444746 0 0 3 0x14280 nfsidl nfsio 43397 56057 0 0 3 0x14280 nfsidl nfsio 12951 100314 0 0 3 0x14280 nfsidl nfsio 20690 170846 1 0 3 0x100083 ttyin getty 14921 518074 0 0 3 0x14200 bored sosplice 74922 294244 23252 0 3 0x82 kqread syz-executor 23252 482728 14335 0 3 0x10008a sigsusp ksh 14335 310544 47473 0 3 0x98 kqread sshd-session 47473 447323 8083 0 3 0x92 kqread sshd-session 8083 208864 1 0 3 0x88 kqread sshd 50863 484555 19663 74 3 0x1100092 bpf pflogd 19663 514488 1 0 3 0x80 sbwait pflogd 5234 73200 71500 73 2 0x1100010 syslogd 71500 485062 1 0 3 0x100082 sbwait syslogd 23125 8471 1 0 3 0x100080 kqread resolvd 80245 399778 77488 77 3 0x100092 kqread dhcpleased 12269 484028 77488 77 3 0x100092 kqread dhcpleased 77488 264711 1 0 3 0x80 kqread dhcpleased 20784 77558 0 0 3 0x14200 bored smr 44473 401144 0 0 2 0x14200 zerothread 18251 168460 0 0 3 0x14200 aiodoned aiodoned 87909 80598 0 0 3 0x14200 syncer update 97799 398722 0 0 3 0x14200 cleaner cleaner 20953 488936 0 0 3 0x14200 reaper reaper 26669 419222 0 0 3 0x14200 pgdaemon pagedaemon 76800 454913 0 0 3 0x14200 bored viomb 52259 177536 0 0 3 0x40014200 acpi0 acpi0 41616 297260 0 0 3 0x40014200 idle1 62540 417930 0 0 3 0x14200 bored softnet3 87128 516805 0 0 3 0x14200 bored softnet2 53542 326288 0 0 3 0x14200 bored softnet1 24852 421261 0 0 3 0x14200 bored softnet0 34309 201153 0 0 3 0x14200 bored systqmp 73402 210968 0 0 3 0x14200 bored systq 41548 182255 0 0 3 0x14200 tmoslp softclockmp 9416 278247 0 0 7 0x40014200 softclock 51227 217312 0 0 3 0x40014200 idle0 1 113799 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 87681 (syz-executor) thread 0xffff80002f985468 (503611) exclusive rrwlock inode r = 0 (0xfffffd805cb0f5e8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ktrwriteraw+0x172 sys/kern/kern_ktrace.c:679 #7 ktrsysret+0x18b sys/kern/kern_ktrace.c:206 #8 syscall+0xa2f mi_syscall_return sys/sys/syscall_mi.h:209 [inline] #8 syscall+0xa2f sys/arch/amd64/amd64/trap.c:598 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83561d10) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 syscall+0xa11 mi_syscall_return sys/sys/syscall_mi.h:207 [inline] #1 syscall+0xa11 sys/arch/amd64/amd64/trap.c:598 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10197 10096K 10546K 166960K 11940 0 pcb 17 16K 17K 166960K 276 0 rtable 225 9K 10K 166960K 1658 0 pf 32 17K 21K 166960K 138 0 ifaddr 39 7K 8K 166960K 211 0 ifgroup 51 2K 2K 166960K 224 0 sysctl 4 1K 2K 166960K 6 0 counters 62 36K 36K 166960K 150 0 ioctlops 0 0K 4K 166960K 1626 0 iov 0 0K 16K 166960K 95 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1378 87K 87K 166960K 2234 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 16 5K 5K 166960K 60 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 19 69K 93K 166960K 1220 0 sigio 0 0K 0K 166960K 13 0 proc 72 91K 140K 166960K 1684 0 subproc 104 6K 6K 166960K 624 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 54 0 in_multi 88 6K 7K 166960K 555 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 936 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 223 72K 91K 166960K 10415 0 UVM aobj 81 5K 5K 166960K 85 0 pinsyscall 44 88K 106K 166960K 3333 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 41 0 NDP 21 1K 2K 166960K 151 0 temp 77 6820K 6884K 166960K 34332 0 kqueue 13 20K 31K 166960K 104 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 288 0 285 5 2 3 3 0 8 2 rtentry 112 552 0 451 4 0 4 4 0 8 1 unpcb 144 368 0 349 5 4 1 2 0 8 0 syncache 336 7 0 7 5 5 0 1 0 8 0 tcpcb 808 257 0 248 9 7 2 7 0 8 0 arp 120 99 0 82 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 336 1148 0 1135 25 21 4 10 0 8 2 nd6 136 142 0 121 1 0 1 1 0 8 0 pkpcb 40 5 0 5 4 4 0 1 0 8 0 kcovpl 48 48 0 40 1 0 1 1 0 8 0 ppxss 1168 2 0 2 2 2 0 1 0 8 0 pffrag 232 7 0 3 1 0 1 1 0 482 0 pffrnode 88 7 0 3 1 0 1 1 0 8 0 pffrent 40 51 0 47 2 1 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 89 0 57 1 0 1 1 0 8 0 pfstkey 128 89 0 57 2 0 2 2 0 8 0 pfstate 376 89 0 57 4 0 4 4 0 8 0 pfrule 1344 26 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 2242 0 1830 31 2 29 31 0 8 3 art_table 32 2244 0 1830 4 0 4 4 0 8 0 art_node 16 550 0 459 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 5 1 0 1 1 0 8 0 semapl 112 55 0 41 1 0 1 1 0 8 0 shmpl 112 82 0 4 3 0 3 3 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2501 0 917 100 0 100 100 0 8 1 ffsino 272 2501 0 917 106 0 106 106 0 8 0 nchpl 144 3404 0 1668 65 0 65 65 0 8 0 uvmvnodes 80 3333 0 0 69 0 69 69 0 8 0 vnodes 216 3333 0 0 186 0 186 186 0 8 0 namei 1024 14756 0 14756 2 1 1 2 0 8 1 percpumem 16 89 0 44 1 0 1 1 0 8 0 kstatmem 264 110 0 88 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 26336 0 26336 11 10 1 8 1 8 1 plimitpl 152 559 0 542 1 0 1 1 0 8 0 sigapl 424 1467 0 1395 10 1 9 9 0 8 0 futexpl 64 7953 0 7949 5 4 1 1 0 8 0 knotepl 120 554 0 0 17 0 17 17 0 8 0 kqueuepl 216 511 0 502 15 13 2 5 0 8 1 pipepl 320 462 0 435 13 8 5 8 0 8 2 fdescpl 496 1427 0 1394 7 2 5 5 0 8 0 filepl 152 7355 0 7108 30 15 15 18 0 8 4 lockfpl 104 218 0 216 1 0 1 1 0 8 0 lockfspl 48 94 0 92 1 0 1 1 0 8 0 sessionpl 144 68 0 59 1 0 1 1 0 8 0 pgrppl 48 117 0 100 1 0 1 1 0 8 0 ucredpl 104 599 0 585 1 0 1 1 0 8 0 zombiepl 144 1395 0 1395 1 0 1 1 0 8 1 processpl 1160 1467 0 1395 7 1 6 6 0 8 0 procpl 648 2266 0 2186 9 1 8 8 0 8 1 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 4 0 4 3 2 1 1 0 8 1 sockpl 664 1815 0 1780 33 24 9 14 0 8 5 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 253 0 0 32 0 32 32 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 588 0 0 32 0 32 32 0 8 0 bufpl 280 7233 0 1058 442 0 442 442 0 8 0 anonpl 24 237709 0 234323 56 4 52 53 0 185 23 amapchunkpl 152 32823 0 32376 32 2 30 31 0 158 11 amappl16 200 3965 0 3954 7 5 2 5 0 8 1 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 197 0 185 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 2691 0 2659 4 2 2 3 0 8 0 amappl11 160 82 0 68 1 0 1 1 0 8 0 amappl10 152 13 0 13 1 1 0 1 0 8 0 amappl9 144 164 0 163 1 0 1 1 0 8 0 amappl8 136 19 0 17 1 0 1 1 0 8 0 amappl7 128 191 0 178 1 0 1 1 0 8 0 amappl6 120 569 0 566 1 0 1 1 0 8 0 amappl5 112 291 0 279 1 0 1 1 0 8 0 amappl4 104 437 0 419 1 0 1 1 0 8 0 amappl3 96 6213 0 6112 4 0 4 4 0 8 0 amappl2 88 1268 0 1196 2 0 2 2 0 8 0 amappl1 80 14076 0 13510 14 0 14 14 0 8 0 amappl 88 9686 0 9526 5 0 5 5 0 92 1 dma8192 8192 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 128 253 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 84 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1427 0 1394 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1427 0 1394 1 0 1 1 0 8 0 vmmpekpl 168 13999 0 13945 3 0 3 3 0 8 0 vmmpepl 168 93685 0 91862 101 15 86 90 0 357 5 vmsppl 440 1426 0 1394 6 2 4 5 0 8 0 rwobjpl 56 31950 0 27625 63 1 62 62 0 8 0 pdppl 4096 2861 0 2788 159 86 73 87 0 8 0 pvpl 32 27505 0 0 222 0 222 222 0 265 0 pmappl 248 1426 0 1394 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 516 0 127 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83454ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff83561b08) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83561b08,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8356aff0,ffffffff834aa120,0,ffffffff830e677e,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000fffff6c8) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83454ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff83561b08) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561b08) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83561b08,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8356aff0,ffffffff834aa120,0,ffffffff830e677e,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000fffff6c8) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at ffs2_balloc+0x9fe: movq 0(%rcx,%rax,8),%r14 ffs2_balloc(fffffd805cb0f550,467f2,50,fffffd807f7d3478,1,ffff80003098b738) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003098b7c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80619bfa20,ffff80003098b878,3,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002f985468,fffffd80619bfa20,fffffd807f7d3478,ffff80003098b940,ffff80003098b920) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsysret(ffff80002f985468,5b,0,ffff80003098ba10) at ktrsysret+0x18b sys/kern/kern_ktrace.c:206 syscall(ffff80003098bac0) at syscall+0xa2f mi_syscall_return sys/sys/syscall_mi.h:209 [inline] syscall(ffff80003098bac0) at syscall+0xa2f sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d9c375044b0, count: 8 ddb{1}> trace ffs2_balloc(fffffd805cb0f550,467f2,50,fffffd807f7d3478,1,ffff80003098b738) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003098b7c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80619bfa20,ffff80003098b878,3,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002f985468,fffffd80619bfa20,fffffd807f7d3478,ffff80003098b940,ffff80003098b920) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsysret(ffff80002f985468,5b,0,ffff80003098ba10) at ktrsysret+0x18b sys/kern/kern_ktrace.c:206 syscall(ffff80003098bac0) at syscall+0xa2f mi_syscall_return sys/sys/syscall_mi.h:209 [inline] syscall(ffff80003098bac0) at syscall+0xa2f sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d9c375044b0, count: -7