uvm_fault(0xffffffff836190a8, 0xffff8000258d20d0, 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 446644 12399 0 0 0x4000000 0 syz-executor *375115 21612 73 0x1100010 0x1 1 syslogd ffs2_balloc(fffffd8062c39008,9bee9,60,fffffd807f7d3618,1,ffff80002a067d88) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a067e10) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8074a1e6e8,ffff80002a067ec8,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffcf40,fffffd8074a1e6e8,fffffd807f7d3618,ffff80002a067f90,ffff80002a067f70) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsyscall(ffff8000ffffcf40,79,18,ffff80002a068120) at ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 syscall(ffff80002a068120) at syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] syscall(ffff80002a068120) at syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71eba771de10, 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(0xffffffff836190a8, 0xffff8000258d20d0, 0, 1) -> d ddb{1}> trace ffs2_balloc(fffffd8062c39008,9bee9,60,fffffd807f7d3618,1,ffff80002a067d88) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a067e10) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8074a1e6e8,ffff80002a067ec8,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffcf40,fffffd8074a1e6e8,fffffd807f7d3618,ffff80002a067f90,ffff80002a067f70) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsyscall(ffff8000ffffcf40,79,18,ffff80002a068120) at ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 syscall(ffff80002a068120) at syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] syscall(ffff80002a068120) at syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71eba771de10, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a067d30 rbx 0 rdx 0 rcx 0xffff8000258d2000 rax 0x1a r8 0xffffffffffffffff r9 0xffff80002a067d88 r10 0xd10c6ff173714bed r11 0x4a82cdf743e1d692 r12 0x10 r13 0x1 r14 0xffffffff r15 0xfffffd807da76d28 rip 0xffffffff8290659e ffs2_balloc+0x9fe cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002a067bc0 ss 0x10 ffs2_balloc+0x9fe: movq 0(%rcx,%rax,8),%r14 ddb{1}> show proc PROC (syslogd) tid=375115 pid=21612 tcnt=1 stat=onproc flags process=1100010 proc=1 runpri=17, usrpri=54, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffdbe8,0xffff8000ffffc7b8 process=0xffff8000ffff9fc8 user=0xffff80002a063000, vmspace=0xfffffd806ec7ba58 estcpu=4, cpticks=12, pctcpu=4.77, user=1, sys=629, intr=470 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 12399 149594 29222 0 2 0 syz-executor 12399 446644 29222 0 7 0x4000000 syz-executor 12399 103423 29222 0 3 0x4000080 fsleep syz-executor 12399 66552 29222 0 3 0x4000080 fsleep syz-executor 426 479097 48800 0 2 0 syz-executor 426 136102 48800 0 3 0x4000080 fsleep syz-executor 426 325088 48800 0 3 0x4000080 fsleep syz-executor 426 15170 48800 0 3 0x4000080 fsleep syz-executor 14057 44005 92143 0 2 0x480 syz-executor 14057 512766 92143 0 3 0x4000080 sbwait syz-executor 14057 56175 92143 0 3 0x4000080 sbwait syz-executor 14057 276268 92143 0 3 0x4000080 sbwait syz-executor 14057 181698 92143 0 3 0x4000080 sbwait syz-executor 14057 159560 92143 0 3 0x4000080 sbwait syz-executor 14057 456513 92143 0 3 0x4000080 fsleep syz-executor 32037 212469 41731 0 2 0x480 syz-executor 32037 518431 41731 0 3 0x4000080 kqread syz-executor 32037 504424 41731 0 3 0x4000080 fsleep syz-executor 3637 376021 77405 0 2 0x490 syz-executor 3637 259860 77405 0 3 0x4000090 fifor syz-executor 3637 125350 77405 0 3 0x4000090 fsleep syz-executor 61766 10006 91987 0 2 0x480 syz-executor 61766 241885 91987 0 3 0x4000080 sbwait syz-executor 61766 86271 91987 0 3 0x4000080 fsleep syz-executor 41731 202692 65001 0 2 0x482 syz-executor 77405 315550 65001 0 2 0x482 syz-executor 91987 140637 65001 0 2 0x482 syz-executor 48800 400355 65001 0 2 0x482 syz-executor 92143 66653 65001 0 2 0x482 syz-executor 39261 310100 65001 0 2 0x2 syz-executor 74346 254873 65001 0 2 0x482 syz-executor 29222 239196 65001 0 2 0x482 syz-executor 818 515265 0 0 3 0x14280 nfsidl nfsio 88362 230038 0 0 3 0x14280 nfsidl nfsio 66403 234061 0 0 3 0x14280 nfsidl nfsio 29238 55597 0 0 3 0x14280 nfsidl nfsio 62750 69365 0 0 3 0x14280 nfsidl nfsio 62133 186999 0 0 3 0x14280 nfsidl nfsio 53677 398265 0 0 3 0x14280 nfsidl nfsio 38509 166049 0 0 3 0x14280 nfsidl nfsio 72506 249098 0 0 3 0x14280 nfsidl nfsio 58454 77167 0 0 3 0x14280 nfsidl nfsio 48285 370899 0 0 3 0x14280 nfsidl nfsio 46169 258970 0 0 3 0x14280 nfsidl nfsio 64110 26518 0 0 3 0x14280 nfsidl nfsio 52617 454380 0 0 3 0x14280 nfsidl nfsio 96143 189210 0 0 3 0x14280 nfsidl nfsio 68532 407246 0 0 3 0x14280 nfsidl nfsio 39572 194808 0 0 3 0x14280 nfsidl nfsio 33425 218897 0 0 3 0x14280 nfsidl nfsio 6564 168189 0 0 3 0x14280 nfsidl nfsio 52917 283573 0 0 3 0x14280 nfsidl nfsio 44242 417215 0 0 3 0x14200 bored sosplice 65001 253464 21627 0 3 0x82 kqread syz-executor 21627 130146 84127 0 3 0x10008a sigsusp ksh 84127 246922 44339 0 3 0x98 kqread sshd-session 44339 325315 67800 0 3 0x92 kqread sshd-session 36484 160294 1 0 3 0x100083 ttyopn getty 67800 173899 1 0 3 0x88 kqread sshd 15668 355380 68218 74 3 0x1100092 bpf pflogd 68218 140945 1 0 3 0x80 sbwait pflogd *21612 375115 81515 73 7 0x1100011 syslogd 81515 379945 1 0 3 0x100082 sbwait syslogd 69990 262084 1 0 3 0x100080 kqread resolvd 48464 510077 43827 77 3 0x100092 kqread dhcpleased 85146 499017 43827 77 3 0x100092 kqread dhcpleased 43827 455671 1 0 3 0x80 kqread dhcpleased 17484 147421 0 0 3 0x14200 bored smr 53427 300802 0 0 2 0x14200 zerothread 2915 150186 0 0 3 0x14200 aiodoned aiodoned 56229 246485 0 0 3 0x14200 syncer update 15163 30670 0 0 3 0x14200 cleaner cleaner 12288 489489 0 0 3 0x14200 reaper reaper 22300 264426 0 0 3 0x14200 pgdaemon pagedaemon 34292 138263 0 0 3 0x14200 bored viomb 11895 67227 0 0 3 0x40014200 acpi0 acpi0 29551 91349 0 0 3 0x40014200 idle1 940 339562 0 0 3 0x14200 bored softnet3 82759 286037 0 0 3 0x14200 bored softnet2 21341 243028 0 0 3 0x14200 bored softnet1 48515 171447 0 0 3 0x14200 bored softnet0 61417 237328 0 0 3 0x14200 bored systqmp 5161 167256 0 0 3 0x14200 bored systq 61668 299629 0 0 3 0x14200 tmoslp softclockmp 64071 248997 0 0 3 0x40014200 tmoslp softclock 49162 220014 0 0 3 0x40014200 idle0 1 500802 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 12399 (syz-executor) thread 0xffff80002a054f50 (149594) exclusive rwlock uobjlk r = 0 (0xfffffd8067251128) #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 uvm_map_protect+0xb54 #3 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806c8d22c0) #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 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3059 #4 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 39261 (syz-executor) thread 0xffff80002a0507b0 (310100) exclusive rrwlock inode r = 0 (0xfffffd8062c39c50) #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8074541098) #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 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 21612 (syslogd) thread 0xffff8000ffffcf40 (375115) exclusive rrwlock inode r = 0 (0xfffffd8062c390a0) #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 ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 #8 syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] #8 syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8362f4e0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] #1 syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10211 10239K 10425K 166960K 12032 0 pcb 22 13K 13K 166960K 96 0 rtable 216 7K 8K 166960K 1292 0 pf 36 17K 25K 166960K 114 0 ifaddr 43 7K 8K 166960K 152 0 ifgroup 59 2K 2K 166960K 165 0 sysctl 3 0K 0K 166960K 3 0 counters 66 36K 37K 166960K 124 0 ioctlops 0 0K 4K 166960K 1543 0 iov 0 0K 17K 166960K 25 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1431 90K 90K 166960K 2020 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 0K 166960K 8 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 93K 166960K 860 0 sigio 0 0K 0K 166960K 9 0 proc 72 91K 140K 166960K 1217 0 subproc 104 6K 6K 166960K 403 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 33 0 in_multi 96 7K 7K 166960K 364 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 752 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 254 73K 91K 166960K 8211 0 UVM aobj 12 2K 4K 166960K 14 0 pinsyscall 42 84K 104K 166960K 2530 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 13 0K 2K 166960K 106 0 temp 85 6824K 6889K 166960K 47259 0 kqueue 13 20K 26K 166960K 77 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 120 102 0 97 1 0 1 1 0 8 0 rtentry 112 474 0 376 4 1 3 4 0 8 0 unpcb 144 362 0 321 6 4 2 4 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 255 0 251 15 11 4 7 0 8 3 arp 120 98 0 80 1 0 1 1 0 8 0 inpcb 336 826 0 807 16 12 4 10 0 8 2 nd6 136 95 0 71 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 31 0 23 1 0 1 1 0 8 0 ppxss 1168 5 0 5 3 3 0 1 0 8 0 pffrag 232 5 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 2 1 0 1 1 0 8 0 pffrent 40 5 0 2 1 0 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 pfstitem 24 64 0 32 1 0 1 1 0 8 0 pfstkey 128 64 0 32 2 0 2 2 0 8 0 pfstate 376 64 0 32 4 0 4 4 0 8 0 pfrule 1344 24 0 17 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1600 0 1178 33 4 29 31 0 8 1 art_table 32 1601 0 1178 4 0 4 4 0 8 0 art_node 16 471 0 383 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 6 0 0 1 0 1 1 0 8 0 shmpl 112 11 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2279 0 725 98 0 98 98 0 8 0 ffsino 272 2279 0 725 104 0 104 104 0 8 0 nchpl 144 3045 0 1323 64 0 64 64 0 8 0 uvmvnodes 80 2932 0 0 60 0 60 60 0 8 0 vnodes 216 2932 0 0 163 0 163 163 0 8 0 namei 1024 12768 0 12767 3 2 1 1 0 8 0 percpumem 16 76 0 29 1 0 1 1 0 8 0 kstatmem 264 84 0 58 3 0 3 3 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 19648 0 19648 10 9 1 8 1 8 1 plimitpl 152 168 0 149 1 0 1 1 0 8 0 sigapl 424 1134 0 1064 10 1 9 9 0 8 0 futexpl 64 5972 0 5963 2 1 1 1 0 8 0 knotepl 120 344 0 0 10 0 10 10 0 8 0 kqueuepl 216 173 0 162 5 4 1 5 0 8 0 pipepl 320 220 0 193 3 0 3 3 0 8 0 fdescpl 496 1095 0 1064 7 2 5 5 0 8 0 filepl 152 5608 0 5311 25 12 13 17 0 8 1 lockfpl 104 232 0 230 2 0 2 2 0 8 1 lockfspl 48 69 0 67 1 0 1 1 0 8 0 sessionpl 144 45 0 36 1 0 1 1 0 8 0 pgrppl 48 79 0 62 1 0 1 1 0 8 0 ucredpl 104 558 0 544 1 0 1 1 0 8 0 zombiepl 144 1065 0 1064 2 1 1 1 0 8 0 processpl 1160 1134 0 1064 7 1 6 6 0 8 0 procpl 648 1794 0 1706 8 0 8 8 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 664 1294 0 1229 18 12 6 12 0 8 0 mcl64k 65536 2 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 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 267 0 0 34 0 34 34 0 8 0 mtagpl 96 41 0 0 1 0 1 1 0 8 0 mbufpl 256 1086 0 0 67 0 67 67 0 8 0 bufpl 280 6887 0 713 442 0 442 442 0 8 0 anonpl 24 224974 0 221236 58 7 51 54 0 185 19 amapchunkpl 152 26657 0 26101 34 2 32 32 0 158 9 amappl16 200 5011 0 4986 32 30 2 18 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 162 0 149 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 2109 0 2078 3 1 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 141 0 141 1 1 0 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 158 0 145 1 0 1 1 0 8 0 amappl6 120 391 0 390 1 0 1 1 0 8 0 amappl5 112 231 0 219 1 0 1 1 0 8 0 amappl4 104 379 0 360 1 0 1 1 0 8 0 amappl3 96 5032 0 4909 5 1 4 4 0 8 0 amappl2 88 1064 0 995 2 0 2 2 0 8 0 amappl1 80 11051 0 10475 14 1 13 14 0 8 0 amappl 88 7637 0 7445 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 13 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1095 0 1064 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1095 0 1064 1 0 1 1 0 8 0 vmmpekpl 168 10292 0 10243 3 0 3 3 0 8 0 vmmpepl 168 74530 0 72624 102 16 86 98 0 357 0 vmsppl 440 1094 0 1064 6 2 4 5 0 8 0 rwobjpl 56 27358 0 23445 58 2 56 56 0 8 0 pdppl 4096 2197 0 2128 139 66 73 85 0 8 4 pvpl 32 27768 0 0 225 1 224 224 0 265 0 pmappl 248 1094 0 1064 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 526 0 101 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83466ff0) 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(ffffffff8362f2d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff800030fc80a0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030fc80a0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x60431365c50, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83466ff0) 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(ffffffff8362f2d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff800030fc80a0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030fc80a0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x60431365c50, count: -6 ddb{0}> machine ddbcpu 1 Stopped at ffs2_balloc+0x9fe: movq 0(%rcx,%rax,8),%r14 ffs2_balloc(fffffd8062c39008,9bee9,60,fffffd807f7d3618,1,ffff80002a067d88) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a067e10) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8074a1e6e8,ffff80002a067ec8,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffcf40,fffffd8074a1e6e8,fffffd807f7d3618,ffff80002a067f90,ffff80002a067f70) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsyscall(ffff8000ffffcf40,79,18,ffff80002a068120) at ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 syscall(ffff80002a068120) at syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] syscall(ffff80002a068120) at syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71eba771de10, count: 8 ddb{1}> trace ffs2_balloc(fffffd8062c39008,9bee9,60,fffffd807f7d3618,1,ffff80002a067d88) at ffs2_balloc+0x9fe sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a067e10) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8074a1e6e8,ffff80002a067ec8,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffcf40,fffffd8074a1e6e8,fffffd807f7d3618,ffff80002a067f90,ffff80002a067f70) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrsyscall(ffff8000ffffcf40,79,18,ffff80002a068120) at ktrsyscall+0x31d sys/kern/kern_ktrace.c:182 syscall(ffff80002a068120) at syscall+0x2eb mi_syscall sys/sys/syscall_mi.h:157 [inline] syscall(ffff80002a068120) at syscall+0x2eb sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71eba771de10, count: -7