uvm_fault(0xffffffff839d7e30, 0xffff800029992710, 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 311130 46083 -1 0x10 0 0 syz-executor *127634 26412 0 0 0x4000000 1K syz-executor ffs2_balloc(fffffd8065c99860,3b8000,4000,fffffd80097fb270,2,ffff80003c44b2a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c44b330) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80655b4108,ffff80003c44b4e8,7,fffffd80097fb270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd805d0e41a0,ffff80003c44b4e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffe94e0,5,ffff80003c44b4e8,0,ffff80003c44b5a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffe94e0,ffff80003c44b650,ffff80003c44b5a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c44b650) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44b650) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8e898d3d5c0, 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(0xffffffff839d7e30, 0xffff800029992710, 0, 1) -> d ddb{1}> trace ffs2_balloc(fffffd8065c99860,3b8000,4000,fffffd80097fb270,2,ffff80003c44b2a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c44b330) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80655b4108,ffff80003c44b4e8,7,fffffd80097fb270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd805d0e41a0,ffff80003c44b4e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffe94e0,5,ffff80003c44b4e8,0,ffff80003c44b5a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffe94e0,ffff80003c44b650,ffff80003c44b5a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c44b650) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44b650) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8e898d3d5c0, count: -8 ddb{1}> show registers rdi 0 rsi 0x2 rbp 0xffff80003c44b250 rbx 0 rdx 0xffff80000147ae40 rcx 0xffff800029992000 rax 0xe2 r8 0xffffffffffffffff r9 0xffff80003c44b2a8 r10 0x4b727234351530e6 r11 0x9b8aa59fd8af0f49 r12 0x1 r13 0xffff800000b50000 r14 0xffff80003c44b0e0 r15 0xfffffd805e56e6c0 rip 0xffffffff82331cdd ffs2_balloc+0xa0d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c44b0d0 ss 0x10 ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ddb{1}> show proc PROC (syz-executor) tid=127634 pid=26412 tcnt=5 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe9248,0xffff80003c44c578 process=0xffff8000fffece88 user=0xffff80003c446000, vmspace=0xfffffd806b3ac208 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=4, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37790 357020 29703 0 2 0 syz-executor 37790 11571 29703 0 3 0x4000080 fsleep syz-executor 37790 429105 29703 0 2 0x4000000 syz-executor 73452 71800 30185 0 2 0 syz-executor 73452 82617 30185 0 3 0x4000080 fsleep syz-executor 69950 201500 36476 0 2 0 syz-executor 69950 189494 36476 0 2 0x4000000 syz-executor 69950 53576 36476 0 3 0x4000000 inode syz-executor 69950 330401 36476 0 3 0x4000000 inode syz-executor 69950 85860 36476 0 3 0x4000000 inode syz-executor 46083 311130 87690 -1 7 0x10 syz-executor 46083 320371 87690 -1 3 0x4000090 fsleep syz-executor 46083 294286 87690 -1 3 0x4000090 fsleep syz-executor 35537 124169 76852 -1 3 0x90 nanoslp syz-executor 35537 451062 76852 -1 3 0x4000090 netcon syz-executor 35537 400540 76852 -1 3 0x4000090 fsleep syz-executor 26412 468188 93648 0 2 0 syz-executor *26412 127634 93648 0 7 0x4000000 syz-executor 26412 339418 93648 0 3 0x4000000 fltagain2 syz-executor 26412 258038 93648 0 3 0x4000080 pipeiolk syz-executor 26412 510523 93648 0 3 0x4000000 pipecl syz-executor 15802 376725 72491 0 3 0x80 nanoslp syz-executor 15802 498207 72491 0 3 0x4000080 kqsel syz-executor 15802 313498 72491 0 3 0x4000080 fsleep syz-executor 78783 237814 0 0 3 0x14200 acct acct 45800 90456 0 0 3 0x14280 nfsidl nfsio 32797 425671 0 0 3 0x14280 nfsidl nfsio 59138 355703 0 0 3 0x14280 nfsidl nfsio 76821 416944 0 0 3 0x14280 nfsidl nfsio 8894 497117 0 0 3 0x14280 nfsidl nfsio 32089 520415 0 0 3 0x14280 nfsidl nfsio 1810 358248 0 0 3 0x14280 nfsidl nfsio 7799 301036 0 0 3 0x14280 nfsidl nfsio 70422 56624 0 0 3 0x14280 nfsidl nfsio 76626 342587 0 0 3 0x14280 nfsidl nfsio 3147 61668 0 0 3 0x14280 nfsidl nfsio 89693 208915 0 0 3 0x14280 nfsidl nfsio 42413 471211 0 0 3 0x14280 nfsidl nfsio 55492 208910 0 0 3 0x14280 nfsidl nfsio 96135 46496 0 0 3 0x14280 nfsidl nfsio 12415 373059 0 0 3 0x14280 nfsidl nfsio 35898 336596 0 0 3 0x14280 nfsidl nfsio 39214 68924 0 0 3 0x14280 nfsidl nfsio 2428 431693 0 0 3 0x14280 nfsidl nfsio 70033 477558 0 0 3 0x14280 nfsidl nfsio 16717 465511 0 0 3 0x14200 bored sosplice 29703 313312 7344 0 3 0x82 nanoslp syz-executor 93648 258189 7344 0 3 0x82 nanoslp syz-executor 76852 451391 7344 0 3 0x82 nanoslp syz-executor 30185 94074 7344 0 3 0x82 nanoslp syz-executor 72491 33423 7344 0 3 0x82 nanoslp syz-executor 23748 105114 7344 0 3 0x82 nanoslp syz-executor 36476 149513 7344 0 3 0x82 nanoslp syz-executor 87690 319369 7344 0 3 0x82 nanoslp syz-executor 7344 327054 99794 0 3 0x82 kqread syz-executor 99794 228194 68391 0 3 0x10008a sigsusp ksh 68391 84878 56551 0 3 0x98 kqread sshd-session 56551 452942 4104 0 3 0x92 kqread sshd-session 936 184919 1 0 3 0x100083 ttyin getty 4104 309266 1 0 3 0x88 kqread sshd 75842 328093 44307 74 3 0x1100092 bpf pflogd 44307 34762 1 0 3 0x80 sbwait pflogd 82230 212182 10940 73 3 0x1100090 kqread syslogd 10940 179660 1 0 3 0x100082 sbwait syslogd 41796 208158 1 0 3 0x100080 kqread resolvd 65934 9150 1099 77 3 0x100092 kqread dhcpleased 36129 264441 1099 77 3 0x100092 kqread dhcpleased 1099 483638 1 0 3 0x80 kqread dhcpleased 25514 96455 0 0 3 0x14200 bored smr 64746 331207 0 0 2 0x14200 zerothread 67784 195896 0 0 3 0x14200 aiodoned aiodoned 60174 112679 0 0 3 0x14200 syncer update 6600 38969 0 0 3 0x14200 cleaner cleaner 87663 74091 0 0 3 0x14200 reaper reaper 9356 401252 0 0 3 0x14200 pgdaemon pagedaemon 39369 38498 0 0 3 0x14200 bored viomb 94335 474033 0 0 3 0x40014200 acpi0 acpi0 48948 412504 0 0 3 0x40014200 idle1 73625 242597 0 0 3 0x14200 bored softnet1 32990 266525 0 0 3 0x14200 bored softnet0 33104 142360 0 0 3 0x14200 bored systqmp 4029 168607 0 0 3 0x14200 bored systq 77875 271777 0 0 3 0x14200 tmoslp softclockmp 39680 28399 0 0 3 0x40014200 tmoslp softclock 32287 235364 0 0 3 0x40014200 idle0 1 487136 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 69950 (syz-executor) thread 0xffff80003c402a88 (189494) exclusive rrwlock inode r = 0 (0xfffffd806fc30808) #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 69950 (syz-executor) thread 0xffff80003c44dcc0 (53576) exclusive rrwlock inode r = 0 (0xfffffd806fc30240) #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 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 46083 (syz-executor) thread 0xffff8000fffe8fb0 (311130) exclusive rwlock uobjlk r = 0 (0xfffffd806bbe0940) #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:605 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806b3ac6d8) #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:605 #7 recall_trap+0x8 Process 26412 (syz-executor) thread 0xffff8000fffe94e0 (127634) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839b30d0) #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 ffs2_balloc+0x18b4 sys/ufs/ffs/ffs_balloc.c:701 #6 ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 #7 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #8 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #9 dofilewritev+0x242 sys/kern/sys_generic.c:380 #10 sys_write+0xa2 sys/kern/sys_generic.c:300 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8065c99900) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 11038K 11244K 166960K 11661 0 pcb 39 14K 16K 166960K 191 0 rtable 181 7K 8K 166960K 355 0 pf 33 17K 81K 166960K 67 0 ifaddr 37 6K 7K 166960K 58 0 ifgroup 54 2K 2K 166960K 80 0 sysctl 1 1K 9K 166960K 6 0 counters 66 36K 37K 166960K 94 0 ioctlops 0 0K 4K 166960K 1563 0 iov 0 0K 28K 166960K 34 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1353 85K 85K 166960K 1742 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 17 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 585 0 sigio 0 0K 0K 166960K 11 0 proc 72 115K 180K 166960K 585 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 61 0 in_multi 83 6K 7K 166960K 126 0 ether_multi 1 0K 0K 166960K 11 0 mrt 2 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 432 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 264 169K 177K 166960K 7268 0 UVM aobj 11 2K 4K 166960K 13 0 pinsyscall 43 86K 103K 166960K 1703 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 19 0 NDP 11 0K 2K 166960K 36 0 temp 53 8649K 8714K 166960K 21387 0 kqueue 13 20K 29K 166960K 107 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 92 0 88 1 0 1 1 0 8 0 rtentry 176 115 0 41 5 0 5 5 0 8 0 unpcb 144 411 0 394 6 4 2 6 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 164 0 158 4 3 1 4 0 8 0 arp 136 12 0 3 1 0 1 1 0 8 0 inpcb 328 604 0 573 7 1 6 7 0 8 3 nd6 152 21 0 4 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 12 0 12 1 0 1 1 0 8 1 pffrag 232 7 0 1 1 0 1 1 0 482 0 pffrnode 88 6 0 1 1 0 1 1 0 8 0 pffrent 40 8 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 57 0 1 1 0 1 1 0 8 0 pfstkey 128 57 0 1 2 0 2 2 0 8 0 pfstate 384 57 0 1 6 0 6 6 0 8 0 pfrule 1344 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 3 0 0 3 0 3 3 0 8 0 art_heap4 256 586 0 198 29 1 28 29 0 8 2 art_table 40 589 0 198 5 0 5 5 0 8 0 art_node 32 114 0 48 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 14 0 6 1 0 1 1 0 8 0 shmpl 112 10 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2500 0 992 96 0 96 96 0 8 1 ffsino 296 2500 0 992 118 0 118 118 0 8 1 nchpl 144 3333 0 1631 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 2735 0 0 152 0 152 152 0 8 0 namei 1024 11160 0 11157 2 1 1 2 0 8 0 percpumem 16 62 0 14 1 0 1 1 0 8 0 kstatmem 264 42 0 18 3 0 3 3 0 8 1 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 18875 0 18875 3 2 1 2 1 8 1 plimitpl 152 87 0 67 1 0 1 1 0 8 0 sigapl 424 917 0 847 9 1 8 8 0 8 0 knotepl 120 685 0 0 21 0 21 21 0 8 0 kqueuepl 224 168 0 158 2 0 2 2 0 8 0 pipepl 344 218 0 190 9 0 9 9 0 8 6 fdescpl 528 877 0 845 3 0 3 3 0 8 0 filepl 160 4774 0 4519 16 0 16 16 0 8 5 lockfpl 104 176 0 173 1 0 1 1 0 8 0 lockfspl 48 76 0 73 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 766 0 750 1 0 1 1 0 8 0 zombiepl 144 848 0 847 1 0 1 1 0 8 0 processpl 1232 917 0 847 7 1 6 6 0 8 0 procpl 664 1745 0 1658 8 0 8 8 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 752 1120 0 1068 17 8 9 17 0 8 3 mcl64k 65536 3 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 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 34 0 0 5 0 5 5 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 169 0 0 11 0 11 11 0 8 0 bufpl 280 8074 0 1931 439 0 439 439 0 8 0 anonpl 32 10790 0 0 88 0 88 88 0 246 0 amapchunkpl 152 22975 0 22413 32 6 26 29 0 158 4 amappl16 200 3944 0 3781 32 13 19 24 0 8 8 amappl15 192 4 0 4 2 1 1 1 0 8 1 amappl14 184 118 0 105 1 0 1 1 0 8 0 amappl13 176 7 0 6 1 0 1 1 0 8 0 amappl12 168 1540 0 1508 4 1 3 3 0 8 0 amappl11 160 56 0 42 1 0 1 1 0 8 0 amappl10 152 1 0 1 1 1 0 1 0 8 0 amappl9 144 251 0 250 1 0 1 1 0 8 0 amappl8 136 30 0 26 1 0 1 1 0 8 0 amappl7 128 112 0 100 1 0 1 1 0 8 0 amappl6 120 205 0 202 1 0 1 1 0 8 0 amappl5 112 122 0 113 1 0 1 1 0 8 0 amappl4 104 311 0 292 1 0 1 1 0 8 0 amappl3 96 3931 0 3818 4 1 3 3 0 8 0 amappl2 88 1122 0 1042 2 0 2 2 0 8 0 amappl1 80 10144 0 9537 14 1 13 14 0 8 0 amappl 88 6480 0 6292 5 0 5 5 0 92 0 uvmvnodes 80 2735 0 0 56 0 56 56 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 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 128 254 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 12 0 2 1 0 1 1 0 8 0 uaddrrnd 24 877 0 845 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 877 0 845 1 0 1 1 0 8 0 vmmpekpl 168 8696 0 8662 3 0 3 3 0 8 0 vmmpepl 168 61742 0 59532 110 2 108 108 0 357 10 vmsppl 488 876 0 845 5 1 4 5 0 8 0 rwobjpl 80 22113 0 18263 81 0 81 81 0 8 1 pdppl 4096 1762 0 1690 102 30 72 86 0 8 0 pvpl 32 21418 0 0 173 0 173 173 0 265 0 pmappl 256 876 0 845 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 282 0 38 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83813ff0) 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(ffffffff839b2ec8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b2ec8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x18 kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x18 sys/dev/kcov.c:153 uvm_fault(fffffd806b3ac5d8,8fc54b2e000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656 upageflttrap(ffff80003c421940,8fc54b2e000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c421940) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x79d514ab8180, count: 3 ddb{0}> trace x86_ipi_db(ffffffff83813ff0) 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(ffffffff839b2ec8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b2ec8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x18 kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x18 sys/dev/kcov.c:153 uvm_fault(fffffd806b3ac5d8,8fc54b2e000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:656 upageflttrap(ffff80003c421940,8fc54b2e000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c421940) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x79d514ab8180, count: -12 ddb{0}> machine ddbcpu 1 Stopped at ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ffs2_balloc(fffffd8065c99860,3b8000,4000,fffffd80097fb270,2,ffff80003c44b2a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c44b330) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80655b4108,ffff80003c44b4e8,7,fffffd80097fb270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd805d0e41a0,ffff80003c44b4e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffe94e0,5,ffff80003c44b4e8,0,ffff80003c44b5a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffe94e0,ffff80003c44b650,ffff80003c44b5a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c44b650) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44b650) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8e898d3d5c0, count: 7 ddb{1}> trace ffs2_balloc(fffffd8065c99860,3b8000,4000,fffffd80097fb270,2,ffff80003c44b2a8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80003c44b330) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd80655b4108,ffff80003c44b4e8,7,fffffd80097fb270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd805d0e41a0,ffff80003c44b4e8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000fffe94e0,5,ffff80003c44b4e8,0,ffff80003c44b5a0) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff8000fffe94e0,ffff80003c44b650,ffff80003c44b5a0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c44b650) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44b650) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8e898d3d5c0, count: -8