uvm_fault(0xffffffff839c1410, 0xffff8000245e3ef0, 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 *469023 91058 0 0x1000 0x4080000 1K syz-executor 158453 54585 0 0x2 0 0 syz-executor ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc123921430, 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(0xffffffff839c1410, 0xffff8000245e3ef0, 0, 1) -> d ddb{1}> trace ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc123921430, count: -8 ddb{1}> show registers rdi 0 rsi 0x2 rbp 0xffff80003c46d150 rbx 0 rdx 0 rcx 0xffff8000245e2000 rax 0x3de r8 0xffffffffffffffff r9 0xffff80003c46d1a8 r10 0xf87b4d833747905e r11 0xf1a9ea28d663c635 r12 0x1 r13 0xffff800000b50000 r14 0xffff80003c46cfe0 r15 0xfffffd8065f9f690 rip 0xffffffff81a086bd ffs2_balloc+0xa0d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c46cfd0 ss 0 ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ddb{1}> show proc PROC (syz-executor) tid=469023 pid=91058 tcnt=2 stat=onproc flags process=1000 proc=4080000 runpri=17, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c426028 scnt=1 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c426028,0xffff80003c4497a0 process=0xffff80003c428e90 user=0xffff80003c468000, vmspace=0xfffffd806c21d9a0 estcpu=32, cpticks=133, pctcpu=1.14, user=0, sys=29, intr=104 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 38901 318130 14634 0 2 0 syz-executor 72230 236697 47527 0 2 0x10 syz-executor 72230 433182 47527 0 2 0x4000010 syz-executor 88772 505376 68324 0 2 0 syz-executor 88772 166448 68324 0 3 0x4000080 fsleep syz-executor 30453 8008 58508 0 2 0xc80 syz-executor 30453 427618 58508 0 3 0x4000080 ttyin syz-executor 71586 506169 71676 -1 2 0xc90 syz-executor 71586 20301 71676 -1 3 0x4000090 lockf syz-executor 71586 361096 71676 -1 3 0x4000090 fsleep syz-executor 91058 245375 32522 0 3 0x3000 suspend syz-executor *91058 469023 32522 0 7 0x4081000 syz-executor 15766 75820 39192 0 2 0xc82 syz-executor 6368 363527 0 0 3 0x14200 acct acct 46515 18112 0 0 3 0x14280 nfsidl nfsio 68698 146130 0 0 3 0x14280 nfsidl nfsio 69713 142644 0 0 3 0x14280 nfsidl nfsio 68218 121212 0 0 3 0x14280 nfsidl nfsio 26536 369897 0 0 3 0x14280 nfsidl nfsio 25856 306548 0 0 3 0x14280 nfsidl nfsio 87715 143322 0 0 3 0x14280 nfsidl nfsio 37576 199809 0 0 3 0x14280 nfsidl nfsio 49664 38984 0 0 3 0x14280 nfsidl nfsio 31593 420084 0 0 3 0x14280 nfsidl nfsio 95094 347541 0 0 3 0x14280 nfsidl nfsio 60533 292874 0 0 3 0x14280 nfsidl nfsio 45296 81871 0 0 3 0x14280 nfsidl nfsio 84429 461967 0 0 3 0x14280 nfsidl nfsio 86776 300255 0 0 3 0x14280 nfsidl nfsio 83077 154908 0 0 3 0x14280 nfsidl nfsio 39088 420529 0 0 3 0x14280 nfsidl nfsio 61807 108360 0 0 3 0x14280 nfsidl nfsio 85081 267245 0 0 3 0x14280 nfsidl nfsio 35312 252900 0 0 3 0x14280 nfsidl nfsio 82316 228878 0 0 3 0x14200 bored sosplice 14634 56178 39192 0 2 0x2 syz-executor 68324 152375 39192 0 2 0xc82 syz-executor 54585 158453 39192 0 7 0x2 syz-executor 58508 8099 39192 0 2 0xc82 syz-executor 47527 282373 39192 0 2 0xc82 syz-executor 32522 351341 39192 0 3 0x82 wait syz-executor 71676 176765 39192 0 2 0xc82 syz-executor 39192 55000 62524 0 3 0x82 kqread syz-executor 62524 414344 36351 0 3 0x10008a sigsusp ksh 36351 416588 51127 0 3 0x98 kqread sshd-session 51127 311352 69845 0 3 0x92 kqread sshd-session 53326 178184 1 0 3 0x100083 ttyopn getty 69845 78425 1 0 3 0x88 kqread sshd 79577 414610 41761 74 3 0x1100092 bpf pflogd 41761 203702 1 0 3 0x80 sbwait pflogd 93793 118731 8556 73 3 0x1100090 kqread syslogd 8556 182800 1 0 3 0x100082 sbwait syslogd 33467 32209 1 0 3 0x100080 kqread resolvd 9593 303584 62003 77 3 0x100092 kqread dhcpleased 71163 246830 62003 77 3 0x100092 kqread dhcpleased 62003 288083 1 0 3 0x80 kqread dhcpleased 32146 385521 0 0 3 0x14200 bored smr 60219 449466 0 0 3 0x14200 pgzero zerothread 47498 179451 0 0 3 0x14200 aiodoned aiodoned 33288 79028 0 0 3 0x14200 syncer update 47959 126254 0 0 3 0x14200 cleaner cleaner 7192 298086 0 0 3 0x14200 reaper reaper 4200 431286 0 0 3 0x14200 pgdaemon pagedaemon 40910 453958 0 0 3 0x14200 bored viomb 88462 190073 0 0 3 0x40014200 acpi0 acpi0 93626 494047 0 0 3 0x40014200 idle1 63390 172054 0 0 3 0x14200 bored softnet1 64329 355003 0 0 2 0x14200 softnet0 60189 371018 0 0 3 0x14200 bored systqmp 78828 82140 0 0 3 0x14200 bored systq 60596 238572 0 0 3 0x14200 tmoslp softclockmp 11339 505390 0 0 3 0x40014200 tmoslp softclock 41389 408667 0 0 3 0x40014200 idle0 1 239902 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 91058 (syz-executor) thread 0xffff80003c449cc0 (469023) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839d3030) #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:367 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 bwrite+0x2e7 sys/kern/vfs_bio.c:754 #5 ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377 #6 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #7 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #8 dofilewritev+0x242 sys/kern/sys_generic.c:380 #9 sys_write+0xa2 sys/kern/sys_generic.c:300 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e14c490) #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+0xa3 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+0x242 sys/kern/sys_generic.c:380 #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:748 #9 Xsyscall+0x128 Process 54585 (syz-executor) thread 0xffff8000fffefca0 (158453) exclusive rrwlock inode r = 0 (0xfffffd806e20bb88) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:687 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a9a8210) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:687 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 11087K 11288K 166960K 12057 0 pcb 17 14K 16K 166960K 194 0 rtable 230 12K 12K 166960K 487 0 pf 39 18K 20K 166960K 128 0 ifaddr 40 7K 8K 166960K 91 0 ifgroup 55 2K 3K 166960K 150 0 sysctl 4 1K 9K 166960K 12 0 counters 68 36K 38K 166960K 162 0 ioctlops 0 0K 4K 166960K 1639 0 iov 0 0K 12K 166960K 36 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1399 88K 88K 166960K 1972 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 64 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 835 0 sigio 0 0K 0K 166960K 20 0 proc 72 115K 164K 166960K 624 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 223 0 in_multi 89 6K 7K 166960K 149 0 ether_multi 1 0K 0K 166960K 10 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 553 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 241 151K 177K 166960K 9299 0 UVM aobj 95 3K 3K 166960K 97 0 pinsyscall 42 84K 103K 166960K 1999 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 33 0 NDP 12 0K 1K 166960K 64 0 temp 66 8653K 8717K 166960K 29141 0 kqueue 14 22K 32K 166960K 146 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 79 0 76 1 0 1 1 0 8 0 rtentry 176 146 0 55 6 0 6 6 0 8 0 unpcb 144 557 0 539 9 5 4 4 0 8 3 syncache 336 12 0 12 4 3 1 1 0 8 1 tcpqe 32 5 0 5 4 4 0 1 0 8 0 tcpcb 736 324 0 315 13 6 7 7 0 8 5 arp 136 26 0 9 1 0 1 1 0 8 0 inpcb 328 957 0 943 20 13 7 12 0 8 5 nd6 152 32 0 7 2 0 2 2 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 37 0 37 4 3 1 1 0 8 1 pppxif 1504 1 0 1 1 1 0 1 0 8 0 pfstscr 40 3 0 3 2 1 1 1 0 8 1 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 12 0 8 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 2 0 0 1 0 1 1 0 8 0 pfstitem 24 59 0 17 1 0 1 1 0 8 0 pfstkey 128 64 0 23 2 0 2 2 0 8 0 pfstate 384 60 0 20 5 0 5 5 0 8 0 pfrule 1344 25 0 19 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 600 0 217 32 3 29 32 0 8 2 art_table 40 603 0 217 6 0 6 6 0 8 0 art_node 32 146 0 66 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 8 3 2 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 62 0 52 1 0 1 1 0 8 0 shmpl 112 94 0 2 3 0 3 3 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2921 0 1410 96 0 96 96 0 8 0 ffsino 296 2921 0 1410 118 1 117 118 0 8 0 nchpl 144 4060 0 2356 64 0 64 64 0 8 0 rtmask 32 5 0 5 3 2 1 1 0 8 1 vnodes 216 3301 0 0 184 0 184 184 0 8 0 namei 1024 13520 0 13520 4 3 1 2 0 8 1 percpumem 16 96 0 47 1 0 1 1 0 8 0 kstatmem 264 96 0 68 5 2 3 3 0 8 0 scsiplug 72 4 0 4 3 2 1 1 0 8 1 scxspl 216 20245 0 20245 10 9 1 8 1 8 1 plimitpl 152 137 0 118 1 0 1 1 0 8 0 sigapl 424 1146 0 1077 10 1 9 9 0 8 0 knotepl 120 522 0 0 16 0 16 16 0 8 0 kqueuepl 224 360 0 350 9 4 5 5 0 8 4 pipepl 344 192 0 164 3 0 3 3 0 8 0 fdescpl 528 1107 0 1076 3 0 3 3 0 8 0 filepl 160 6680 0 6452 19 6 13 15 0 8 2 lockfpl 104 204 0 199 1 0 1 1 0 8 0 lockfspl 48 79 0 76 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 52 0 35 1 0 1 1 0 8 0 ucredpl 104 1129 0 1112 1 0 1 1 0 8 0 zombiepl 144 1183 0 1181 2 1 1 1 0 8 0 processpl 1232 1146 0 1077 6 0 6 6 0 8 0 procpl 664 2335 0 2260 8 0 8 8 0 8 0 sosppl 168 4 0 4 3 2 1 1 0 8 1 sockpl 752 1616 0 1581 30 19 11 17 0 8 6 mcl64k 65536 29 0 0 4 0 4 4 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 118 0 0 15 0 15 15 0 8 0 mcl2k 2048 49 0 0 7 0 7 7 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 243 0 0 15 0 15 15 0 8 0 bufpl 280 7699 0 1562 439 0 439 439 0 8 0 anonpl 32 11180 0 0 90 0 90 90 0 246 0 amapchunkpl 152 30193 0 29703 41 13 28 28 0 158 4 amappl16 200 4372 0 4099 41 14 27 27 0 8 11 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 438 0 437 1 0 1 1 0 8 0 amappl12 168 1508 0 1467 3 0 3 3 0 8 0 amappl11 160 2 0 2 1 1 0 1 0 8 0 amappl10 152 52 0 38 1 0 1 1 0 8 0 amappl9 144 253 0 252 1 0 1 1 0 8 0 amappl8 136 26 0 24 1 0 1 1 0 8 0 amappl7 128 80 0 79 1 0 1 1 0 8 0 amappl6 120 297 0 283 1 0 1 1 0 8 0 amappl5 112 90 0 78 1 0 1 1 0 8 0 amappl4 104 550 0 519 1 0 1 1 0 8 0 amappl3 96 5270 0 5181 4 1 3 3 0 8 0 amappl2 88 1285 0 1209 2 0 2 2 0 8 0 amappl1 80 14185 0 13593 17 1 16 16 0 8 1 amappl 88 8396 0 8232 5 0 5 5 0 92 0 uvmvnodes 80 3301 0 0 68 0 68 68 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 96 0 2 2 0 2 2 0 8 0 uaddrrnd 24 1107 0 1076 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1107 0 1076 1 0 1 1 0 8 0 vmmpekpl 168 11229 0 11183 3 0 3 3 0 8 0 vmmpepl 168 80292 0 78134 118 11 107 107 0 357 8 vmsppl 488 1106 0 1076 5 0 5 5 0 8 1 rwobjpl 80 28628 0 24062 99 1 98 98 0 8 3 pdppl 4096 2221 0 2152 119 48 71 85 0 8 2 pvpl 32 19061 0 0 154 0 154 154 0 265 0 pmappl 256 1106 0 1076 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 324 0 67 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83837ff0) 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(ffffffff839d2e28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839d2e28) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839d2e28,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd800e421028) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd800e421028) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ufs_dirremove(fffffd805d1d6d88,fffffd806e20bae8,800c,0) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 ufs_remove(ffff80002a3747b0) at ufs_remove+0x1a7 sys/ufs/ufs/ufs_vnops.c:594 VOP_REMOVE(fffffd805d1d6d88,fffffd805d1d6bd8,ffff80002a374888) at VOP_REMOVE+0x172 sys/kern/vfs_vops.c:331 dounlinkat(ffff8000fffefca0,ffffff9c,7cec4e903e50,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a374a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a374a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cec4e904300, count: 1 ddb{0}> trace x86_ipi_db(ffffffff83837ff0) 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(ffffffff839d2e28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839d2e28) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839d2e28,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd800e421028) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd800e421028) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ufs_dirremove(fffffd805d1d6d88,fffffd806e20bae8,800c,0) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 ufs_remove(ffff80002a3747b0) at ufs_remove+0x1a7 sys/ufs/ufs/ufs_vnops.c:594 VOP_REMOVE(fffffd805d1d6d88,fffffd805d1d6bd8,ffff80002a374888) at VOP_REMOVE+0x172 sys/kern/vfs_vops.c:331 dounlinkat(ffff8000fffefca0,ffffff9c,7cec4e903e50,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a374a00) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a374a00) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cec4e904300, count: -14 ddb{0}> machine ddbcpu 1 Stopped at ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc123921430, count: 7 ddb{1}> trace ffs2_balloc(fffffd806e14c3f0,fa8000,4000,fffffd80097fb138,2,ffff80003c46d1a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c46d230) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805e6202b8,ffff80003c46d3e8,7,fffffd80097fb138) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cba0ec8,ffff80003c46d3e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80003c449cc0,5,ffff80003c46d3e8,0,ffff80003c46d4a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff80003c449cc0,ffff80003c46d550,ffff80003c46d4a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c46d550) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46d550) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc123921430, count: -8