uvm_fault(0xffffffff838fce98, 0xffff800029602004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_alloccg+0x16e: movl 0x4(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 455990 37233 0 0 0 1 syz-executor *314788 39370 0 0x2 0x1 0K syz-executor ffs_alloccg(fffffd80785bb2a8,4,7ab28,4000) at ffs_alloccg+0x16e ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_alloccg(fffffd80785bb2a8,4,7ab28,4000) at ffs_alloccg+0x16e sys/ufs/ffs/ffs_alloc.c:948 ffs_alloc(fffffd80785bb2a8,3b,7ab28,4000,fffffd80097fb750,ffff80002a2e4948) at ffs_alloc+0x314 ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:-1 [inline] ffs_alloc(fffffd80785bb2a8,3b,7ab28,4000,fffffd80097fb750,ffff80002a2e4948) at ffs_alloc+0x314 sys/ufs/ffs/ffs_alloc.c:140 ffs2_balloc(fffffd80785bb2a8,ec000,6ff,fffffd80097fb750,1,ffff80002a2e4a48) at ffs2_balloc+0x10cc sys/ufs/ffs/ffs_balloc.c:673 ffs_write(ffff80002a2e4ad0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805fa16c10,ffff80002a2e4b80,3,fffffd80097fb750) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd760,fffffd805fa16c10,fffffd80097fb750,ffff80002a2e4c58,ffff80002a2e4c30) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrgenio(ffff8000ffffd760,3,0,ffff800000b38800,cac) at ktrgenio+0x2b3 ktrwrite2 sys/kern/kern_ktrace.c:653 [inline] ktrgenio(ffff8000ffffd760,3,0,ffff800000b38800,cac) at ktrgenio+0x2b3 sys/kern/kern_ktrace.c:264 dofilereadv(ffff8000ffffd760,3,ffff80002a2e4dd8,0,ffff80002a2e4e90) at dofilereadv+0x474 sys/kern/sys_generic.c:268 sys_read(ffff8000ffffd760,ffff80002a2e4f40,ffff80002a2e4e90) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80002a2e4f40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e4f40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ffd82986120, count: 4 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(0xffffffff838fce98, 0xffff800029602004, 0, 1) -> d ddb{0}> trace ffs_alloccg(fffffd80785bb2a8,4,7ab28,4000) at ffs_alloccg+0x16e ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_alloccg(fffffd80785bb2a8,4,7ab28,4000) at ffs_alloccg+0x16e sys/ufs/ffs/ffs_alloc.c:948 ffs_alloc(fffffd80785bb2a8,3b,7ab28,4000,fffffd80097fb750,ffff80002a2e4948) at ffs_alloc+0x314 ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:-1 [inline] ffs_alloc(fffffd80785bb2a8,3b,7ab28,4000,fffffd80097fb750,ffff80002a2e4948) at ffs_alloc+0x314 sys/ufs/ffs/ffs_alloc.c:140 ffs2_balloc(fffffd80785bb2a8,ec000,6ff,fffffd80097fb750,1,ffff80002a2e4a48) at ffs2_balloc+0x10cc sys/ufs/ffs/ffs_balloc.c:673 ffs_write(ffff80002a2e4ad0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805fa16c10,ffff80002a2e4b80,3,fffffd80097fb750) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd760,fffffd805fa16c10,fffffd80097fb750,ffff80002a2e4c58,ffff80002a2e4c30) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrgenio(ffff8000ffffd760,3,0,ffff800000b38800,cac) at ktrgenio+0x2b3 ktrwrite2 sys/kern/kern_ktrace.c:653 [inline] ktrgenio(ffff8000ffffd760,3,0,ffff800000b38800,cac) at ktrgenio+0x2b3 sys/kern/kern_ktrace.c:264 dofilereadv(ffff8000ffffd760,3,ffff80002a2e4dd8,0,ffff80002a2e4e90) at dofilereadv+0x474 sys/kern/sys_generic.c:268 sys_read(ffff8000ffffd760,ffff80002a2e4f40,ffff80002a2e4e90) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80002a2e4f40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e4f40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ffd82986120, count: -11 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a2e47b0 rbx 0xfffffd80785bb2a8 rdx 0 rcx 0xffff8000ffffd760 rax 0xffffffff83799ff0 cpu_info_full_primary+0x1ff0 r8 0xffffffffffffffff r9 0xffff80002a2e4948 r10 0xe846c334477e46dd r11 0xc2311e1a6f06ec21 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xfffffd806b6cb128 r14 0xffff800029602000 r15 0 rip 0xffffffff8132fb9e ffs_alloccg+0x16e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a2e4700 ss 0x10 ffs_alloccg+0x16e: movl 0x4(%r14),%r15d ddb{0}> show proc PROC (syz-executor) tid=314788 pid=39370 tcnt=1 stat=onproc flags process=2 proc=1 runpri=50, usrpri=50, slppri=24, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffd4c8,0xffff8000ffffcfa8 process=0xffff8000ffff2690 user=0xffff80002a2df000, vmspace=0xfffffd806e3b4d68 estcpu=0, cpticks=88, pctcpu=0.26, user=6, sys=78, intr=4 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37233 455990 17102 0 7 0 syz-executor 37233 191751 17102 0 3 0x4000080 fsleep syz-executor 97511 112274 52878 0 3 0x80 nanoslp syz-executor 97511 387192 52878 0 3 0x4000080 sbwait syz-executor 97511 400724 52878 0 3 0x4000080 fsleep syz-executor 97511 389310 52878 0 3 0x4000080 fsleep syz-executor 18626 190913 94382 0 3 0x80 fsleep syz-executor 18626 78294 94382 0 3 0x4000080 sbwait syz-executor 18030 200544 50262 0 3 0x80 fsleep syz-executor 18030 499657 50262 0 3 0x4000080 fifow syz-executor 50187 137938 70316 0 3 0x90 fsleep syz-executor 50187 129673 70316 0 3 0x4000090 kqsel syz-executor 45447 173091 52049 0 3 0x80 fsleep syz-executor 45447 385746 52049 0 3 0x4000080 kqpoll syz-executor 43208 514008 42115 0 3 0x80 fsleep syz-executor 43208 507316 42115 0 3 0x4000080 pipewr syz-executor 54199 436187 47561 0 3 0x80 fsleep syz-executor 54199 112497 47561 0 3 0x4000080 fsleep syz-executor 54199 93991 47561 0 3 0x4000080 sbwait syz-executor 54199 191431 47561 0 3 0x4000080 sbwait syz-executor 99646 144767 0 0 3 0x14200 acct acct 52334 44648 1 0 3 0x80 nanoslp init 90569 251899 0 0 3 0x14200 bored sosplice 42115 255596 39370 0 2 0xc82 syz-executor 70316 467958 39370 0 2 0xc82 syz-executor 50262 244697 39370 0 3 0x82 nanoslp syz-executor 52049 436482 39370 0 2 0xc82 syz-executor 17102 205681 39370 0 2 0xc82 syz-executor 94382 9559 39370 0 3 0x82 nanoslp syz-executor 52878 428131 39370 0 2 0xc82 syz-executor 47561 295824 39370 0 2 0xc82 syz-executor *39370 314788 93898 0 7 0x3 syz-executor 93898 37785 44823 0 3 0x10008a sigsusp ksh 44823 44805 99407 0 3 0x98 kqread sshd-session 99407 11568 90310 0 3 0x92 kqread sshd-session 90310 13607 1 0 3 0x88 kqread sshd 8693 397902 91232 74 3 0x1100092 bpf pflogd 91232 137998 1 0 3 0x80 sbwait pflogd 50453 344484 5356 73 3 0x1100090 kqread syslogd 5356 165935 1 0 3 0x100082 sbwait syslogd 25948 198133 1 0 3 0x100080 kqread resolvd 84059 10087 32144 77 3 0x100092 kqread dhcpleased 98907 475204 32144 77 3 0x100092 kqread dhcpleased 32144 158607 1 0 3 0x80 kqread dhcpleased 94215 217107 0 0 3 0x14200 bored smr 38959 401876 0 0 3 0x14200 pgzero zerothread 99450 109208 0 0 3 0x14200 aiodoned aiodoned 97175 13304 0 0 3 0x14200 syncer update 42335 5795 0 0 3 0x14200 cleaner cleaner 91784 513391 0 0 3 0x14200 reaper reaper 61304 440360 0 0 3 0x14200 pgdaemon pagedaemon 82145 203451 0 0 3 0x14200 bored viomb 3649 337116 0 0 3 0x40014200 acpi0 acpi0 31314 1173 0 0 3 0x40014200 idle1 98918 391081 0 0 3 0x14200 bored softnet1 95327 55648 0 0 3 0x14200 bored softnet0 27160 83452 0 0 3 0x14200 bored systqmp 45968 243770 0 0 3 0x14200 bored systq 84 384030 0 0 3 0x14200 tmoslp softclockmp 47975 396586 0 0 3 0x40014200 tmoslp softclock 322 3769 0 0 3 0x40014200 idle0 1 424991 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 37233 (syz-executor) thread 0xffff80003c41bcb0 (455990) exclusive rwlock uobjlk r = 0 (0xfffffd806b9e9c10) #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 uvm_fault+0x1e5 sys/uvm/uvm_fault.c:655 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd8066bd6ab8) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #7 recall_trap+0x8 Process 18626 (syz-executor) thread 0xffff8000fffe82b8 (78294) exclusive rwlock sbufrcv r = 0 (0xffff8000014986e8) #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 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 soreceive+0x27d sys/kern/uipc_socket.c:870 #4 recvit+0x40b sys/kern/uipc_syscalls.c:1078 #5 sys_recvmmsg+0x410 sys/kern/uipc_syscalls.c:969 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 Process 39370 (syz-executor) thread 0xffff8000ffffd760 (314788) exclusive rrwlock inode r = 0 (0xfffffd80785bb348) #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:693 #6 ktrwriteraw+0x175 sys/kern/kern_ktrace.c:688 #7 ktrgenio+0x2b3 ktrwrite2 sys/kern/kern_ktrace.c:653 [inline] #7 ktrgenio+0x2b3 sys/kern/kern_ktrace.c:264 #8 dofilereadv+0x474 sys/kern/sys_generic.c:268 #9 sys_read+0xa2 sys/kern/sys_generic.c:172 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838f9630) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] #1 ktrgenio+0x228 sys/kern/kern_ktrace.c:264 #2 dofilereadv+0x474 sys/kern/sys_generic.c:268 #3 sys_read+0xa2 sys/kern/sys_generic.c:172 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #5 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 11093K 11498K 166960K 12620 0 pcb 18 14K 15K 166960K 231 0 rtable 214 8K 9K 166960K 388 0 pf 34 17K 18K 166960K 114 0 ifaddr 40 7K 8K 166960K 81 0 ifgroup 51 2K 2K 166960K 138 0 sysctl 3 1K 9K 166960K 12 0 counters 66 36K 37K 166960K 154 0 ioctlops 0 0K 4K 166960K 1585 0 iov 1 4K 24K 166960K 62 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1366 86K 86K 166960K 2197 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 34 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 1012 0 sigio 0 0K 0K 166960K 16 0 proc 63 99K 180K 166960K 624 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 0 0K 0K 166960K 234 0 in_multi 88 6K 7K 166960K 135 0 ether_multi 1 0K 0K 166960K 5 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 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 492 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 242 164K 187K 166960K 10899 0 UVM aobj 20 2K 2K 166960K 22 0 pinsyscall 42 84K 103K 166960K 2139 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 73 0 NDP 11 0K 2K 166960K 56 0 temp 72 8654K 8895K 166960K 54297 0 kqueue 13 20K 30K 166960K 158 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 100 0 96 1 0 1 1 0 8 0 rtentry 176 130 0 39 5 0 5 5 0 8 0 unpcb 144 661 0 633 8 6 2 4 0 8 0 syncache 336 9 0 9 4 4 0 1 0 8 0 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 736 450 0 442 16 12 4 7 0 8 3 arp 136 21 0 9 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 328 1317 0 1304 26 16 10 10 0 8 8 nd6 144 20 0 3 1 0 1 1 0 8 0 pkpcb 40 11 0 11 5 5 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 33 0 33 3 2 1 1 0 8 1 pppxif 1504 3 0 3 2 1 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 7 0 2 1 0 1 1 0 482 0 pffrnode 88 7 0 2 1 0 1 1 0 8 0 pffrent 40 15 0 10 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 57 0 25 1 0 1 1 0 8 0 pfstkey 128 57 0 23 2 0 2 2 0 8 0 pfstate 384 55 0 24 5 0 5 5 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 500 0 82 30 0 30 30 0 8 2 art_table 40 501 0 82 5 0 5 5 0 8 0 art_node 32 128 0 49 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 28 0 18 1 0 1 1 0 8 0 shmpl 112 19 0 2 1 0 1 1 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3363 0 1859 96 0 96 96 0 8 0 ffsino 296 3363 0 1859 118 1 117 118 0 8 0 nchpl 144 4726 0 3033 63 0 63 63 0 8 0 rtmask 32 6 0 6 3 3 0 1 0 8 0 uvmvnodes 80 3859 0 0 79 0 79 79 0 8 0 vnodes 216 3859 0 0 215 0 215 215 0 8 0 namei 1024 17266 0 17266 5 4 1 2 0 8 1 percpumem 16 92 0 44 1 0 1 1 0 8 0 kstatmem 264 82 0 58 4 2 2 3 0 8 0 scsiplug 72 7 0 7 3 2 1 1 0 8 1 scxspl 216 19659 0 19659 11 10 1 8 1 8 1 plimitpl 152 232 0 216 1 0 1 1 0 8 0 sigapl 424 1331 0 1281 7 1 6 7 0 8 0 knotepl 120 579 0 0 18 0 18 18 0 8 0 kqueuepl 224 287 0 275 3 1 2 2 0 8 1 pipepl 344 226 0 197 6 3 3 6 0 8 0 fdescpl 528 1304 0 1272 3 0 3 3 0 8 0 filepl 160 9129 0 8892 31 15 16 16 0 8 5 lockfpl 104 619 0 616 2 1 1 2 0 8 0 lockfspl 48 193 0 190 1 0 1 1 0 8 0 sessionpl 144 30 0 22 1 0 1 1 0 8 0 pgrppl 48 47 0 31 1 0 1 1 0 8 0 ucredpl 104 1924 0 1910 1 0 1 1 0 8 0 zombiepl 144 1415 0 1415 1 0 1 1 0 8 1 processpl 1232 1331 0 1281 6 1 5 5 0 8 0 procpl 664 2781 0 2719 6 0 6 6 0 8 0 sosppl 168 8 0 8 2 2 0 1 0 8 0 sockpl 752 2111 0 2066 36 23 13 14 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 55 0 0 7 0 7 7 0 8 1 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 1220 0 0 77 0 77 77 0 8 0 bufpl 280 8117 0 1974 439 0 439 439 0 8 0 anonpl 32 7767 0 0 63 0 63 63 0 246 0 amapchunkpl 152 37285 0 36783 53 26 27 30 0 158 7 amappl16 200 4282 0 4244 38 24 14 16 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 129 0 118 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1963 0 1932 3 1 2 2 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 248 0 247 2 1 1 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 114 0 103 1 0 1 1 0 8 0 amappl6 120 186 0 182 1 0 1 1 0 8 0 amappl5 112 133 0 122 1 0 1 1 0 8 0 amappl4 104 329 0 309 1 0 1 1 0 8 0 amappl3 96 6285 0 6187 4 1 3 3 0 8 0 amappl2 88 1580 0 1500 2 0 2 2 0 8 0 amappl1 80 13242 0 12666 15 1 14 15 0 8 0 amappl 88 10016 0 9846 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 128 254 0 254 2 2 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 21 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1304 0 1272 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1304 0 1272 1 0 1 1 0 8 0 vmmpekpl 168 11961 0 11923 2 0 2 2 0 8 0 vmmpepl 168 87857 0 85843 122 24 98 100 0 357 5 vmsppl 488 1303 0 1272 7 3 4 5 0 8 0 rwobjpl 80 28891 0 24109 103 3 100 100 0 8 2 pdppl 4096 2616 0 2544 113 41 72 86 0 8 0 pvpl 32 15169 0 0 124 1 123 123 0 265 0 pmappl 256 1303 0 1272 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 376 0 63 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ffs_alloccg(fffffd80785bb2a8,4,7ab28,4000) at ffs_alloccg+0x16e ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_alloccg(fffffd80785bb2a8,4,7ab28,4000) at ffs_alloccg+0x16e sys/ufs/ffs/ffs_alloc.c:948 ffs_alloc(fffffd80785bb2a8,3b,7ab28,4000,fffffd80097fb750,ffff80002a2e4948) at ffs_alloc+0x314 ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:-1 [inline] ffs_alloc(fffffd80785bb2a8,3b,7ab28,4000,fffffd80097fb750,ffff80002a2e4948) at ffs_alloc+0x314 sys/ufs/ffs/ffs_alloc.c:140 ffs2_balloc(fffffd80785bb2a8,ec000,6ff,fffffd80097fb750,1,ffff80002a2e4a48) at ffs2_balloc+0x10cc sys/ufs/ffs/ffs_balloc.c:673 ffs_write(ffff80002a2e4ad0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805fa16c10,ffff80002a2e4b80,3,fffffd80097fb750) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff8000ffffd760,fffffd805fa16c10,fffffd80097fb750,ffff80002a2e4c58,ffff80002a2e4c30) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrgenio(ffff8000ffffd760,3,0,ffff800000b38800,cac) at ktrgenio+0x2b3 ktrwrite2 sys/kern/kern_ktrace.c:653 [inline] ktrgenio(ffff8000ffffd760,3,0,ffff800000b38800,cac) at ktrgenio+0x2b3 sys/kern/kern_ktrace.c:264 dofilereadv(ffff8000ffffd760,3,ffff80002a2e4dd8,0,ffff80002a2e4e90) at dofilereadv+0x474 sys/kern/sys_generic.c:268 sys_read(ffff8000ffffd760,ffff80002a2e4f40,ffff80002a2e4e90) at sys_read+0xa2 sys/kern/sys_generic.c:172 syscall(ffff80002a2e4f40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e4f40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ffd82986120, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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(ffffffff838f9428) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f9428) at __mp_lock+0x199 sys/kern/kern_lock.c:165 uvm_fault(fffffd8066bd69b8,2f31eb9c000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656 upageflttrap(ffff80003a3f9fa0,2f31eb9c000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003a3f9fa0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7244db57acb0, count: 7 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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(ffffffff838f9428) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f9428) at __mp_lock+0x199 sys/kern/kern_lock.c:165 uvm_fault(fffffd8066bd69b8,2f31eb9c000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656 upageflttrap(ffff80003a3f9fa0,2f31eb9c000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003a3f9fa0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7244db57acb0, count: -8