uvm_fault(0xffffffff8354a888, 0xffff800015792004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_fragextend+0x1d7: movl 0x4(%r13),%r14d TID PID UID PRFLAGS PFLAGS CPU COMMAND 162169 64340 0 0 0 1 syz-executor *276784 46573 0 0x2 0x1 0K syz-executor ffs_fragextend(fffffd8063a94340,4,78a80,3800,4000) at ffs_fragextend+0x1d7 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_fragextend(fffffd8063a94340,4,78a80,3800,4000) at ffs_fragextend+0x1d7 sys/ufs/ffs/ffs_alloc.c:890 ffs_realloccg(fffffd8063a94340,8,78a80,3800,4000,fffffd807f7d3618,aaf6c1756f221a5a,fffffd806e10b670) at ffs_realloccg+0x549 sys/ufs/ffs/ffs_alloc.c:225 ffs2_balloc(fffffd8063a94340,237d6,5c,fffffd807f7d3618,1,ffff80002a0d5d28) at ffs2_balloc+0x547 sys/ufs/ffs/ffs_balloc.c:516 ffs_write(ffff80002a0d5db0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80735e6ce8,ffff80002a0d5e68,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000371ce2b0,fffffd80735e6ce8,fffffd807f7d3618,ffff80002a0d5f38,ffff80002a0d5f10) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrstruct(ffff8000371ce2b0,ffffffff83002720,ffff80002a0d6030,10) at ktrstruct+0x19a sys/kern/kern_ktrace.c:308 sys_nanosleep(ffff8000371ce2b0,ffff80002a0d6170,ffff80002a0d60c0) at sys_nanosleep+0x109 sys/kern/kern_time.c:292 syscall(ffff80002a0d6170) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0d6170) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70b5bac378b0, count: 5 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xffffffff8354a888, 0xffff800015792004, 0, 1) -> d ddb{0}> trace ffs_fragextend(fffffd8063a94340,4,78a80,3800,4000) at ffs_fragextend+0x1d7 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_fragextend(fffffd8063a94340,4,78a80,3800,4000) at ffs_fragextend+0x1d7 sys/ufs/ffs/ffs_alloc.c:890 ffs_realloccg(fffffd8063a94340,8,78a80,3800,4000,fffffd807f7d3618,aaf6c1756f221a5a,fffffd806e10b670) at ffs_realloccg+0x549 sys/ufs/ffs/ffs_alloc.c:225 ffs2_balloc(fffffd8063a94340,237d6,5c,fffffd807f7d3618,1,ffff80002a0d5d28) at ffs2_balloc+0x547 sys/ufs/ffs/ffs_balloc.c:516 ffs_write(ffff80002a0d5db0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80735e6ce8,ffff80002a0d5e68,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000371ce2b0,fffffd80735e6ce8,fffffd807f7d3618,ffff80002a0d5f38,ffff80002a0d5f10) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrstruct(ffff8000371ce2b0,ffffffff83002720,ffff80002a0d6030,10) at ktrstruct+0x19a sys/kern/kern_ktrace.c:308 sys_nanosleep(ffff8000371ce2b0,ffff80002a0d6170,ffff80002a0d60c0) at sys_nanosleep+0x109 sys/kern/kern_time.c:292 syscall(ffff80002a0d6170) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0d6170) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70b5bac378b0, count: -10 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a0d5a60 rbx 0xffff800000a5f000 rdx 0 rcx 0xffff8000371ce2b0 rax 0xffffffff83454ff0 cpu_info_full_primary+0x1ff0 r8 0xffffffffffffffff r9 0xfffffd807f7d3618 r10 0xffff80002a0d5c18 r11 0x253641ba7276617f r12 0xfffffd806e374258 r13 0xffff800015792000 r14 0 r15 0x8 rip 0xffffffff821f8387 ffs_fragextend+0x1d7 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a0d5980 ss 0x10 ffs_fragextend+0x1d7: movl 0x4(%r13),%r14d ddb{0}> show proc PROC (syz-executor) tid=276784 pid=46573 tcnt=1 stat=onproc flags process=2 proc=1 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd9be0,0xffff8000371cfc10 process=0xffff800029fe96b0 user=0xffff80002a0d1000, vmspace=0xfffffd806c4418b0 estcpu=36, cpticks=3, pctcpu=0.6, user=1, sys=8, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64340 162169 89873 0 7 0 syz-executor 64340 134361 89873 0 2 0x4000000 syz-executor 27631 257648 21174 0 2 0 syz-executor 27631 244832 21174 0 3 0x4000080 ttyout syz-executor 27631 393816 21174 0 2 0x4000001 syz-executor 27631 402994 21174 0 3 0x4000080 fsleep syz-executor 5528 456635 56220 0 2 0x1 syz-executor 5528 189372 56220 0 3 0x4000080 fsleep syz-executor 57002 199852 46573 0 2 0 syz-executor 57002 66652 46573 0 2 0x4000000 syz-executor 57002 103147 46573 0 3 0x4000080 fsleep syz-executor 75375 476367 61669 0 2 0x11 syz-executor 75375 492570 61669 0 3 0x4000090 fsleep syz-executor 75375 513045 61669 0 3 0x4000090 fsleep syz-executor 11346 143541 56841 0 2 0x4000001 syz-executor 11346 127506 56841 0 2 0x4000001 syz-executor 67131 2100 41298 0 2 0x1 syz-executor 67131 58113 41298 0 3 0x4000080 kqread syz-executor 67131 120649 41298 0 3 0x4000080 fsleep syz-executor 41298 259915 8880 0 2 0x3 syz-executor 89873 291652 8880 0 2 0x3 syz-executor *46573 276784 8880 0 7 0x3 syz-executor 61669 16308 8880 0 3 0x82 nanoslp syz-executor 56220 383528 8880 0 3 0x82 nanoslp syz-executor 56841 80982 8880 0 2 0x3 syz-executor 21174 419964 8880 0 2 0x3 syz-executor 21203 230661 0 0 3 0x14280 nfsidl nfsio 6684 194983 0 0 3 0x14280 nfsidl nfsio 44681 71260 0 0 3 0x14280 nfsidl nfsio 80392 373345 0 0 3 0x14280 nfsidl nfsio 25649 85835 0 0 3 0x14280 nfsidl nfsio 70694 301681 0 0 3 0x14280 nfsidl nfsio 69697 24001 0 0 3 0x14280 nfsidl nfsio 4898 288517 0 0 3 0x14280 nfsidl nfsio 12761 354049 0 0 3 0x14280 nfsidl nfsio 84971 73646 0 0 3 0x14280 nfsidl nfsio 39586 131510 0 0 3 0x14280 nfsidl nfsio 51810 397380 0 0 3 0x14280 nfsidl nfsio 69735 464033 0 0 3 0x14280 nfsidl nfsio 61425 403285 0 0 3 0x14280 nfsidl nfsio 27481 515961 0 0 3 0x14280 nfsidl nfsio 96863 428043 0 0 3 0x14280 nfsidl nfsio 2022 409030 0 0 3 0x14280 nfsidl nfsio 24772 505281 0 0 3 0x14280 nfsidl nfsio 40321 498123 0 0 3 0x14280 nfsidl nfsio 22935 195342 0 0 3 0x14280 nfsidl nfsio 39077 335789 0 0 3 0x14200 bored sosplice 8880 230576 23060 0 3 0x82 wait syz-executor 23060 449804 51798 0 3 0x10008a sigsusp ksh 51798 66081 48289 0 3 0x98 kqread sshd-session 48289 105900 99681 0 3 0x92 kqread sshd-session 21177 468256 1 0 3 0x100083 ttyin getty 99681 493728 1 0 3 0x88 kqread sshd 85102 416097 23800 74 3 0x1100092 bpf pflogd 23800 52604 1 0 3 0x80 sbwait pflogd 12987 310617 21758 73 3 0x1100090 kqread syslogd 21758 153335 1 0 3 0x100082 sbwait syslogd 26501 315696 1 0 3 0x100080 kqread resolvd 93527 141599 69430 77 3 0x100092 kqread dhcpleased 77161 306898 69430 77 3 0x100092 kqread dhcpleased 69430 273218 1 0 3 0x80 kqread dhcpleased 11758 398921 0 0 3 0x14200 bored smr 97993 151965 0 0 2 0x14200 zerothread 70859 26991 0 0 3 0x14200 aiodoned aiodoned 93393 129108 0 0 3 0x14200 syncer update 43873 275630 0 0 3 0x14200 cleaner cleaner 56939 310317 0 0 3 0x14200 reaper reaper 65263 188322 0 0 3 0x14200 pgdaemon pagedaemon 23728 444945 0 0 3 0x14200 bored viomb 31403 335470 0 0 3 0x40014200 acpi0 acpi0 3635 7889 0 0 3 0x40014200 idle1 22702 101933 0 0 3 0x14200 bored softnet3 74474 115794 0 0 3 0x14200 bored softnet2 76245 381326 0 0 3 0x14200 bored softnet1 10621 142140 0 0 3 0x14200 bored softnet0 58040 15845 0 0 3 0x14200 bored systqmp 667 47197 0 0 3 0x14200 bored systq 32325 441014 0 0 3 0x14200 tmoslp softclockmp 66178 116561 0 0 3 0x40014200 tmoslp softclock 25337 305615 0 0 3 0x40014200 idle0 1 32894 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 57002 (syz-executor) thread 0xffff80002a029bf8 (66652) exclusive rwlock netlock r = 0 (0xffffffff834033e0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 socreate+0x21a sys/kern/uipc_socket.c:215 #2 sys_socket+0x124 sys/kern/uipc_syscalls.c:101 #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 46573 (syz-executor) thread 0xffff8000371ce2b0 (276784) exclusive rrwlock inode r = 0 (0xfffffd8063a943d8) #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 ktrstruct+0x19a sys/kern/kern_ktrace.c:308 #8 sys_nanosleep+0x109 sys/kern/kern_time.c:292 #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 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 ktrstruct+0xe2 sys/kern/kern_ktrace.c:307 #2 sys_nanosleep+0x109 sys/kern/kern_time.c:292 #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 10174K 10481K 166960K 12390 0 pcb 17 16K 17K 166960K 296 0 rtable 218 7K 8K 166960K 1370 0 pf 37 18K 22K 166960K 168 0 ifaddr 44 8K 8K 166960K 189 0 ifgroup 55 2K 2K 166960K 211 0 sysctl 2 0K 0K 166960K 4 0 counters 64 36K 36K 166960K 146 0 ioctlops 0 0K 4K 166960K 1580 0 iov 0 0K 16K 166960K 51 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1405 88K 89K 166960K 2440 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 24K 28K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 30 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 93K 166960K 1347 0 sigio 0 0K 0K 166960K 16 0 proc 72 91K 152K 166960K 1438 0 subproc 104 6K 7K 166960K 494 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 92 0 in_multi 99 7K 7K 166960K 465 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 4 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 858 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 246 74K 98K 166960K 12820 0 UVM aobj 25 6K 6K 166960K 28 0 pinsyscall 42 84K 106K 166960K 3206 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 112 0 NDP 12 0K 2K 166960K 134 0 temp 75 6824K 6892K 166960K 45187 0 kqueue 14 22K 28K 166960K 135 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 148 0 145 1 0 1 1 0 8 0 rtentry 112 483 0 384 4 1 3 4 0 8 0 unpcb 144 997 0 976 10 6 4 6 0 8 3 syncache 336 8 0 8 6 5 1 1 0 8 1 tcpqe 32 3 0 3 3 2 1 1 0 8 1 tcpcb 808 682 0 675 27 24 3 8 0 8 1 arp 120 85 0 67 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 34 0 32 1 0 1 1 0 8 0 inpcb 336 1775 0 1759 33 29 4 7 0 8 1 nd6 136 128 0 104 1 0 1 1 0 8 0 pkpcb 40 9 0 9 4 3 1 1 0 8 1 kcovpl 48 38 0 30 1 0 1 1 0 8 0 ppxss 1168 6 0 6 3 3 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 7 0 7 1 1 0 1 0 482 0 pffrnode 88 7 0 7 1 1 0 1 0 8 0 pffrent 40 10 0 10 1 1 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 44 0 40 1 0 1 1 0 8 0 pfstkey 128 45 0 41 2 0 2 2 0 8 0 pfstate 376 44 0 41 5 2 3 5 0 8 1 pfrule 1344 30 0 23 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1936 0 1488 32 2 30 30 0 8 2 art_table 32 1937 0 1488 4 0 4 4 0 8 0 art_node 16 482 0 394 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0 semapl 112 25 0 15 1 0 1 1 0 8 0 shmpl 112 25 0 3 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 3030 0 1472 98 0 98 98 0 8 0 ffsino 272 3031 0 1473 105 0 105 105 0 8 0 nchpl 144 4384 0 2649 65 0 65 65 0 8 0 uvmvnodes 80 3900 0 0 80 0 80 80 0 8 0 vnodes 216 3900 0 0 217 0 217 217 0 8 0 namei 1024 17244 0 17244 8 7 1 4 0 8 1 percpumem 16 87 0 41 1 0 1 1 0 8 0 kstatmem 264 106 0 82 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 4 0 4 4 3 1 1 0 8 1 scxspl 216 27202 0 27202 10 9 1 7 1 8 1 plimitpl 152 311 0 293 1 0 1 1 0 8 0 sigapl 424 1609 0 1539 10 1 9 9 0 8 0 futexpl 64 12545 0 12539 5 4 1 1 0 8 0 knotepl 120 542 0 0 16 0 16 16 0 8 0 kqueuepl 216 347 0 334 7 6 1 5 0 8 0 pipepl 320 340 0 311 7 4 3 7 0 8 0 fdescpl 496 1569 0 1538 6 1 5 5 0 8 0 filepl 152 9213 0 8943 34 21 13 20 0 8 1 lockfpl 104 453 0 449 1 0 1 1 0 8 0 lockfspl 48 176 0 173 1 0 1 1 0 8 0 sessionpl 144 54 0 45 1 0 1 1 0 8 0 pgrppl 48 98 0 81 1 0 1 1 0 8 0 ucredpl 104 1248 0 1234 1 0 1 1 0 8 0 zombiepl 144 1991 0 1990 1 0 1 1 0 8 0 processpl 1160 1609 0 1539 7 1 6 6 0 8 0 procpl 648 3038 0 2956 8 0 8 8 0 8 0 sosppl 168 14 0 14 2 2 0 1 0 8 0 sockpl 664 2941 0 2901 38 29 9 14 0 8 4 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 227 0 0 29 1 28 29 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 385 0 0 22 0 22 22 0 8 0 bufpl 280 8314 0 2168 442 0 442 442 0 8 0 anonpl 24 301153 0 295534 123 49 74 78 0 185 34 amapchunkpl 152 41363 0 40708 54 21 33 43 0 158 6 amappl16 200 6796 0 6776 56 44 12 15 0 8 10 amappl15 192 10 0 9 1 0 1 1 0 8 0 amappl14 184 220 0 208 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 2699 0 2668 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 15 0 15 1 1 0 1 0 8 0 amappl9 144 235 0 235 1 1 0 1 0 8 0 amappl8 136 48 0 46 1 0 1 1 0 8 0 amappl7 128 199 0 187 1 0 1 1 0 8 0 amappl6 120 466 0 464 1 0 1 1 0 8 0 amappl5 112 254 0 242 1 0 1 1 0 8 0 amappl4 104 411 0 392 1 0 1 1 0 8 0 amappl3 96 7901 0 7779 4 0 4 4 0 8 0 amappl2 88 1105 0 1036 2 0 2 2 0 8 0 amappl1 80 13359 0 12789 15 1 14 14 0 8 0 amappl 88 12132 0 11949 5 0 5 5 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 27 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1569 0 1538 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1569 0 1538 1 0 1 1 0 8 0 vmmpekpl 168 14337 0 14276 5 1 4 4 0 8 0 vmmpepl 168 103619 0 101741 125 29 96 96 0 357 8 vmsppl 440 1568 0 1538 6 2 4 5 0 8 0 rwobjpl 56 36351 0 31482 75 3 72 72 0 8 2 pdppl 4096 3145 0 3076 150 75 75 85 0 8 6 pvpl 32 42524 0 0 344 1 343 343 0 265 0 pmappl 248 1568 0 1538 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 524 0 148 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ffs_fragextend(fffffd8063a94340,4,78a80,3800,4000) at ffs_fragextend+0x1d7 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_fragextend(fffffd8063a94340,4,78a80,3800,4000) at ffs_fragextend+0x1d7 sys/ufs/ffs/ffs_alloc.c:890 ffs_realloccg(fffffd8063a94340,8,78a80,3800,4000,fffffd807f7d3618,aaf6c1756f221a5a,fffffd806e10b670) at ffs_realloccg+0x549 sys/ufs/ffs/ffs_alloc.c:225 ffs2_balloc(fffffd8063a94340,237d6,5c,fffffd807f7d3618,1,ffff80002a0d5d28) at ffs2_balloc+0x547 sys/ufs/ffs/ffs_balloc.c:516 ffs_write(ffff80002a0d5db0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80735e6ce8,ffff80002a0d5e68,3,fffffd807f7d3618) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000371ce2b0,fffffd80735e6ce8,fffffd807f7d3618,ffff80002a0d5f38,ffff80002a0d5f10) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682 ktrstruct(ffff8000371ce2b0,ffffffff83002720,ffff80002a0d6030,10) at ktrstruct+0x19a sys/kern/kern_ktrace.c:308 sys_nanosleep(ffff8000371ce2b0,ffff80002a0d6170,ffff80002a0d60c0) at sys_nanosleep+0x109 sys/kern/kern_time.c:292 syscall(ffff80002a0d6170) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0d6170) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70b5bac378b0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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 end of kernel end trace frame: 0x701d78a9e0d0, count: 12 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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 end of kernel end trace frame: 0x701d78a9e0d0, count: -3