uvm_fault(0xffffffff839ada68, 0xffff800020f12088, 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 182366 51260 0 0x2 0 0 syz-executor *516189 98898 0 0x2 0x1 1K syz-executor ffs2_balloc(fffffd80697dcce0,77b27,50,fffffd80097fd3a8,1,ffff80002a2c8688) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a2c8710) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e804530,ffff80002a2c87c0,3,fffffd80097fd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd9f8,fffffd805e804530,fffffd80097fd3a8,ffff80002a2c8890,ffff80002a2c8870) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a2c8a10) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a2c8a10) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7279848155f0, 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(0xffffffff839ada68, 0xffff800020f12088, 0, 1) -> d ddb{1}> trace ffs2_balloc(fffffd80697dcce0,77b27,50,fffffd80097fd3a8,1,ffff80002a2c8688) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a2c8710) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e804530,ffff80002a2c87c0,3,fffffd80097fd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd9f8,fffffd805e804530,fffffd80097fd3a8,ffff80002a2c8890,ffff80002a2c8870) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a2c8a10) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a2c8a10) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7279848155f0, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a2c8630 rbx 0 rdx 0 rcx 0xffff800020f12000 rax 0x11 r8 0xffffffffffffffff r9 0xffff80002a2c8688 r10 0x93dfe7224ba70bec r11 0xfdaee11d8ef8ce12 r12 0x1 r13 0xffff800000c31800 r14 0xffff80002a2c84c0 r15 0xfffffd805f8f0348 rip 0xffffffff8156043d ffs2_balloc+0xa0d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a2c84b0 ss 0 ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ddb{1}> show proc PROC (syz-executor) tid=516189 pid=98898 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=0xffff8000ffffd230,0xffff80002a242fb0 process=0xffff8000ffff2b60 user=0xffff80002a2c3000, vmspace=0xfffffd806ea381f8 estcpu=36, cpticks=159, pctcpu=1.34, user=0, sys=159, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72443 162547 66678 0 2 0 syz-executor 18432 293629 40749 0 2 0 syz-executor 18432 409489 40749 0 2 0x4000000 syz-executor 78964 176022 98898 0 2 0 syz-executor 78964 448040 98898 0 3 0x4000080 fsleep syz-executor 98759 237504 84269 60928 2 0x10 syz-executor 98759 460838 84269 60928 3 0x4000090 kqsel syz-executor 98759 369566 84269 60928 3 0x4000090 fsleep syz-executor 17769 70642 78163 0 2 0 syz-executor 17769 49758 78163 0 3 0x4000080 kqsel syz-executor 17769 446935 78163 0 2 0x4000000 syz-executor 71177 500201 18164 0 3 0x80 nanoslp syz-executor 71177 53431 18164 0 3 0x4000080 fifow syz-executor 71177 106472 18164 0 3 0x4000080 fsleep syz-executor 15052 262915 60775 0 3 0x80 nanoslp syz-executor 15052 306074 60775 0 3 0x4000080 kqread syz-executor 15052 463128 60775 0 3 0x4000080 fsleep syz-executor 66678 199 71410 0 3 0x82 nanoslp syz-executor 60775 406000 71410 0 2 0x2 syz-executor 40749 512497 71410 0 2 0xc82 syz-executor 78163 182071 71410 0 3 0x82 nanoslp syz-executor 84269 363011 71410 0 2 0xc82 syz-executor 51260 182366 71410 0 7 0x2 syz-executor 18164 172276 71410 0 3 0x82 nanoslp syz-executor *98898 516189 71410 0 7 0x3 syz-executor 71410 356950 68974 0 3 0x82 kqread syz-executor 68974 388370 25305 0 3 0x10008a sigsusp ksh 25305 416867 94301 0 3 0x98 kqread sshd-session 94301 412867 14483 0 3 0x92 kqread sshd-session 49185 282540 1 0 3 0x100083 ttyin getty 14483 424243 1 0 3 0x88 kqread sshd 34218 75768 1451 74 3 0x1100092 bpf pflogd 1451 405126 1 0 3 0x80 sbwait pflogd 41650 465901 39748 73 3 0x1100090 kqread syslogd 39748 380076 1 0 3 0x100082 sbwait syslogd 60867 138054 1 0 3 0x100080 kqread resolvd 43385 136785 46120 77 3 0x100092 kqread dhcpleased 98475 508622 46120 77 3 0x100092 kqread dhcpleased 46120 144834 1 0 3 0x80 kqread dhcpleased 26382 475966 0 0 3 0x14200 bored smr 42017 210724 0 0 2 0x14200 zerothread 10550 129038 0 0 3 0x14200 aiodoned aiodoned 35772 147880 0 0 3 0x14200 syncer update 53126 14097 0 0 3 0x14200 cleaner cleaner 29892 104996 0 0 3 0x14200 reaper reaper 14953 195718 0 0 3 0x14200 pgdaemon pagedaemon 53917 377226 0 0 3 0x14200 bored viomb 24182 173265 0 0 3 0x40014200 acpi0 acpi0 28161 455754 0 0 3 0x40014200 idle1 12311 444218 0 0 3 0x14200 bored softnet1 54158 352136 0 0 3 0x14200 bored softnet0 88586 249939 0 0 3 0x14200 bored systqmp 39699 78274 0 0 3 0x14200 bored systq 18384 43721 0 0 3 0x14200 tmoslp softclockmp 45870 338546 0 0 3 0x40014200 tmoslp softclock 56891 443323 0 0 3 0x40014200 idle0 1 465009 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 51260 (syz-executor) thread 0xffff80002a242010 (182366) exclusive rrwlock inode r = 0 (0xfffffd80697dc440) #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 (0xfffffd806d6a3d68) #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 98898 (syz-executor) thread 0xffff8000ffffd9f8 (516189) exclusive rrwlock inode r = 0 (0xfffffd80697dcd80) #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 (0xffffffff839c3a00) #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 11084 12163K 12395K 166960K 12512 0 pcb 19 14K 16K 166960K 151 0 rtable 245 8K 8K 166960K 408 0 pf 35 17K 81K 166960K 84 0 ifaddr 43 7K 7K 166960K 61 0 ifgroup 55 2K 2K 166960K 90 0 sysctl 3 1K 9K 166960K 9 0 counters 70 37K 38K 166960K 106 0 ioctlops 0 0K 4K 166960K 1615 0 iov 0 0K 16K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1717 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 28 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 441 0 sigio 0 0K 0K 166960K 6 0 proc 72 115K 180K 166960K 596 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 36 0 in_multi 99 7K 7K 166960K 111 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 133 599K 599K 166960K 133 0 exec 0 0K 1K 166960K 412 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 143K 160K 166960K 6140 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 42 84K 106K 166960K 1638 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 17 0 NDP 12 0K 2K 166960K 41 0 temp 48 9072K 9151K 166960K 13962 0 kqueue 15 24K 28K 166960K 72 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 47 0 44 1 0 1 1 0 8 0 rtentry 176 122 0 13 6 0 6 6 0 8 0 unpcb 144 268 0 242 4 2 2 4 0 8 0 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpcb 736 74 0 70 1 0 1 1 0 8 0 arp 136 21 0 3 1 0 1 1 0 8 0 inpcb 328 440 0 429 7 0 7 7 0 8 5 nd6 152 24 0 0 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 15 0 15 1 0 1 1 0 8 1 pppxif 1576 1 0 1 1 1 0 1 0 8 0 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 5 0 4 1 0 1 1 0 8 0 pfosfp 40 1430 0 1006 5 0 5 5 0 8 0 pfosfpen 112 1430 0 715 21 0 21 21 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 43 0 1 1 0 1 1 0 8 0 pfstkey 128 43 0 1 2 0 2 2 0 8 0 pfstate 448 43 0 1 5 0 5 5 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 473 0 19 30 0 30 30 0 8 0 art_table 40 474 0 19 5 0 5 5 0 8 0 art_node 32 122 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 2 1 0 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2203 0 738 93 0 93 93 0 8 0 ffsino 296 2203 0 738 114 0 114 114 0 8 0 nchpl 144 2889 0 1184 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 2471 0 0 138 0 138 138 0 8 0 namei 1024 9910 0 9909 2 1 1 2 0 8 0 percpumem 16 68 0 18 1 0 1 1 0 8 0 kstatmem 264 52 0 26 3 0 3 3 0 8 1 scxspl 216 15270 0 15270 6 3 3 3 1 8 3 plimitpl 152 148 0 131 1 0 1 1 0 8 0 sigapl 424 769 0 722 7 1 6 7 0 8 0 knotepl 120 529 0 0 17 0 17 17 0 8 0 kqueuepl 224 151 0 138 3 0 3 3 0 8 2 pipepl 344 151 0 124 3 0 3 3 0 8 0 fdescpl 528 753 0 722 3 0 3 3 0 8 0 filepl 160 4083 0 3852 14 0 14 14 0 8 3 lockfpl 104 144 0 140 1 0 1 1 0 8 0 lockfspl 48 70 0 66 1 0 1 1 0 8 0 sessionpl 144 97 0 88 1 0 1 1 0 8 0 pgrppl 48 111 0 94 1 0 1 1 0 8 0 ucredpl 104 815 0 800 1 0 1 1 0 8 0 zombiepl 144 722 0 722 1 0 1 1 0 8 1 processpl 1232 769 0 722 5 1 4 5 0 8 0 procpl 664 1297 0 1240 6 0 6 6 0 8 0 sosppl 176 9 0 9 1 0 1 1 0 8 1 sockpl 752 767 0 727 11 0 11 11 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 312 0 0 20 0 20 20 0 8 0 bufpl 280 8789 0 2538 447 0 447 447 0 8 0 anonpl 32 9634 0 0 78 0 78 78 0 246 0 amapchunkpl 152 31335 0 30875 36 0 36 36 0 158 13 amappl16 200 2960 0 2931 20 8 12 18 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 440 0 439 1 0 1 1 0 8 0 amappl13 176 130 0 118 1 0 1 1 0 8 0 amappl12 168 1012 0 983 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 84 0 70 1 0 1 1 0 8 0 amappl9 144 270 0 269 1 0 1 1 0 8 0 amappl8 136 168 0 165 1 0 1 1 0 8 0 amappl7 128 151 0 138 1 0 1 1 0 8 0 amappl6 120 161 0 159 1 0 1 1 0 8 0 amappl5 112 99 0 88 1 0 1 1 0 8 0 amappl4 104 310 0 287 1 0 1 1 0 8 0 amappl3 96 3571 0 3462 4 0 4 4 0 8 0 amappl2 88 571 0 506 2 0 2 2 0 8 0 amappl1 80 11619 0 11028 17 1 16 16 0 8 1 amappl 88 5329 0 5171 5 0 5 5 0 92 0 uvmvnodes 80 110 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 8 0 8 2 1 1 1 0 8 1 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 753 0 722 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 753 0 722 1 0 1 1 0 8 0 vmmpekpl 168 8109 0 8075 2 0 2 2 0 8 0 vmmpepl 168 56872 0 54965 100 0 100 100 0 357 9 vmsppl 488 752 0 722 5 0 5 5 0 8 1 rwobjpl 80 19197 0 18162 29 1 28 28 0 8 2 pdppl 4096 1513 0 1444 105 32 73 85 0 8 4 pvpl 32 17457 0 0 142 1 141 141 0 265 0 pmappl 256 752 0 722 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 291 0 36 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8388cff0) 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(ffffffff839c3200) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839c3200) at __mp_lock+0x199 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff839c3200,1) 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(fffffd806d558b10) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806d558b10) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 VOP_BWRITE(fffffd806d558b10) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:651 ufs_direnter(fffffd806cb97a60,fffffd806befaa58,ffff80002a304a80,ffff80002a304db0,fffffd805f740258) at ufs_direnter+0x7ac sys/ufs/ufs/ufs_lookup.c:833 ufs_mkdir(ffff80002a304c20) at ufs_mkdir+0x5d5 sys/ufs/ufs/ufs_vnops.c:1179 VOP_MKDIR(fffffd806cb97a60,ffff80002a304d80,ffff80002a304db0,ffff80002a304cb0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a242010,ffffff9c,7144f16aa260,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a304f30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a304f30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff80002a304fb0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8388cff0) 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(ffffffff839c3200) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839c3200) at __mp_lock+0x199 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff839c3200,1) 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(fffffd806d558b10) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806d558b10) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 VOP_BWRITE(fffffd806d558b10) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:651 ufs_direnter(fffffd806cb97a60,fffffd806befaa58,ffff80002a304a80,ffff80002a304db0,fffffd805f740258) at ufs_direnter+0x7ac sys/ufs/ufs/ufs_lookup.c:833 ufs_mkdir(ffff80002a304c20) at ufs_mkdir+0x5d5 sys/ufs/ufs/ufs_vnops.c:1179 VOP_MKDIR(fffffd806cb97a60,ffff80002a304d80,ffff80002a304db0,ffff80002a304cb0) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a242010,ffffff9c,7144f16aa260,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 syscall(ffff80002a304f30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a304f30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7144f16aa300, count: -15 ddb{0}> machine ddbcpu 1 Stopped at ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ffs2_balloc(fffffd80697dcce0,77b27,50,fffffd80097fd3a8,1,ffff80002a2c8688) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a2c8710) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e804530,ffff80002a2c87c0,3,fffffd80097fd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd9f8,fffffd805e804530,fffffd80097fd3a8,ffff80002a2c8890,ffff80002a2c8870) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a2c8a10) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a2c8a10) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7279848155f0, count: 8 ddb{1}> trace ffs2_balloc(fffffd80697dcce0,77b27,50,fffffd80097fd3a8,1,ffff80002a2c8688) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a2c8710) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e804530,ffff80002a2c87c0,3,fffffd80097fd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd9f8,fffffd805e804530,fffffd80097fd3a8,ffff80002a2c8890,ffff80002a2c8870) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff8000ffffd9f8,5b,0,ffff80002a2c8960) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a2c8a10) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a2c8a10) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7279848155f0, count: -7