uvm_fault(0xfffffd806cd908a8, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 TID PID UID PRFLAGS PFLAGS CPU COMMAND 350964 48185 32767 0x10 0 0 syz-executor * 57751 65064 32767 0x10 0x4000000 1K syz-executor fifo_write(ffff8000371e4190) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80617256f8,ffff8000371e4228,8,fffffd807f7d3340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80617256f8,ffff80002a05b800,f8,0,1,7614ad66715f4331,ffff8000371e4350,fffffd80617256f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371e4350) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8061725038,ffff8000371e44d0,ffff8000371e4500,ffff8000371e4400,ffff80002a05b800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff4a40,200003c0,ffffff9c,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371e4680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e4680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe42e779f990, 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(0xfffffd806cd908a8, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff8000371e4190) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80617256f8,ffff8000371e4228,8,fffffd807f7d3340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80617256f8,ffff80002a05b800,f8,0,1,7614ad66715f4331,ffff8000371e4350,fffffd80617256f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371e4350) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8061725038,ffff8000371e44d0,ffff8000371e4500,ffff8000371e4400,ffff80002a05b800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff4a40,200003c0,ffffff9c,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371e4680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e4680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe42e779f990, count: -8 ddb{1}> show registers rdi 0xfffffd80617256f8 rsi 0x1 rbp 0xffff8000371e4180 rbx 0xfffffd80617256f8 rdx 0 rcx 0xffff8000ffff4a40 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0x1ba908ff41212a81 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff8000371e4228 r14 0xffff8000371e4190 r15 0x1 rip 0xffffffff82ccd08e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000371e4150 ss 0x10 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=57751 pid=65064 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff42a8,0xffff80002a12e2e0 process=0xffff80002a758918 user=0xffff8000371df000, vmspace=0xfffffd806cd908a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16633 41155 55250 32767 2 0x10 syz-executor 48185 350964 13689 32767 7 0x10 syz-executor 48185 381800 13689 32767 3 0x4000010 getblk syz-executor 48829 166266 17012 0 2 0x100002 sh 50102 234662 55276 32767 2 0x10 syz-executor 50102 10004 55276 32767 3 0x4000090 piperd syz-executor 65064 513243 45712 32767 2 0x10 syz-executor *65064 57751 45712 32767 7 0x4000010 syz-executor 55250 39248 82521 32767 2 0x10 syz-executor 79348 469181 5502 32767 2 0x10 syz-executor 55276 519539 91285 32767 3 0x90 nanoslp syz-executor 17012 114948 13423 0 3 0x80 wait syz-executor 13689 427023 3262 32767 3 0x90 nanoslp syz-executor 91285 225909 65055 0 3 0x82 wait syz-executor 45712 379087 47356 32767 3 0x90 nanoslp syz-executor 3262 238514 65055 0 3 0x82 wait syz-executor 77448 198688 74451 32767 2 0x10 syz-executor 82521 25338 65055 0 3 0x82 wait syz-executor 5502 510265 65055 0 3 0x82 wait syz-executor 13423 283392 65055 0 3 0x82 wait syz-executor 47356 177871 65055 0 3 0x82 wait syz-executor 74451 75047 65055 0 3 0x82 wait syz-executor 33076 230146 55451 0 3 0x100082 sbwait arp 55451 17626 37009 0 3 0x10008a sigsusp sh 37009 352303 57306 0 3 0x80 wait syz-executor 57306 320007 65055 0 3 0x82 wait syz-executor 41781 265811 0 0 3 0x14200 bored sosplice 65055 54137 7930 0 3 0x82 kqread syz-executor 7930 16917 33043 0 3 0x10008a sigsusp ksh 33043 308899 59551 0 3 0x98 kqread sshd-session 59551 292946 26459 0 3 0x92 kqread sshd-session 79226 462145 1 0 3 0x100083 ttyin getty 26459 184962 1 0 3 0x88 kqread sshd 70303 171666 64661 73 2 0x1100010 syslogd 64661 457114 1 0 3 0x100082 sbwait syslogd 91146 83000 1 0 3 0x100080 kqread resolvd 80259 23395 77855 77 3 0x100092 kqread dhcpleased 66151 178279 77855 77 3 0x100092 kqread dhcpleased 77855 462860 1 0 3 0x80 kqread dhcpleased 5446 54172 0 0 3 0x14200 bored smr 42272 465608 0 0 2 0x14200 zerothread 49930 303974 0 0 3 0x14200 aiodoned aiodoned 44182 175816 0 0 3 0x14200 syncer update 45367 15768 0 0 3 0x14200 cleaner cleaner 1778 517612 0 0 3 0x14200 reaper reaper 61712 45711 0 0 3 0x14200 pgdaemon pagedaemon 36230 165437 0 0 3 0x14200 bored viomb 98499 227833 0 0 3 0x40014200 acpi0 acpi0 7004 121834 0 0 3 0x40014200 idle1 84557 108936 0 0 3 0x14200 bored softnet3 51925 147404 0 0 3 0x14200 bored softnet2 22208 123603 0 0 3 0x14200 bored softnet1 88442 34623 0 0 3 0x14200 bored softnet0 96902 163216 0 0 3 0x14200 bored systqmp 32808 331905 0 0 3 0x14200 bored systq 79863 325953 0 0 3 0x14200 tmoslp softclockmp 30403 113371 0 0 3 0x40014200 tmoslp softclock 58690 397174 0 0 3 0x40014200 idle0 1 137293 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 48185 (syz-executor) thread 0xffff8000ffff51d8 (381800) exclusive rrwlock inode r = 0 (0xfffffd8052505b38) #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:120 #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_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1728 #8 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #9 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #10 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #11 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80525054d8) #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 dosymlinkat+0xee sys/kern/vfs_syscalls.c:1792 #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 65064 (syz-executor) thread 0xffff8000ffff4a40 (57751) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835eca00) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 #7 ufs_direnter+0x7d1 sys/ufs/ufs/ufs_lookup.c:833 #8 ufs_makeinode+0x51e sys/ufs/ufs/ufs_vnops.c:1764 #9 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #10 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #11 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80525051a8) #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 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1728 #10 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #11 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #12 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 Process 79348 (syz-executor) thread 0xffff80002a12f200 (469181) exclusive rrwlock inode r = 0 (0xfffffd8052505d58) #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 vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0x111 sys/kern/vfs_vnops.c:609 #6 fdrop+0x126 sys/kern/kern_descrip.c:1274 #7 closef+0x192 sys/kern/kern_descrip.c:1258 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 77448 (syz-executor) thread 0xffff8000fffea028 (198688) exclusive rrwlock inode r = 0 (0xfffffd8052505e68) #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:120 #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 (0xfffffd805e93d700) #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 70303 (syslogd) thread 0xffff8000ffffd960 (171666) exclusive rrwlock inode r = 0 (0xfffffd806e32e920) #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 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 10024K 10035K 166960K 11532 0 pcb 17 12K 12K 166960K 17 0 rtable 216 6K 7K 166960K 3018 0 pf 31 16K 16K 166960K 212 0 ifaddr 40 7K 8K 166960K 396 0 ifgroup 50 2K 2K 166960K 405 0 sysctl 3 0K 1K 166960K 4 0 counters 64 36K 36K 166960K 238 0 ioctlops 0 0K 2K 166960K 175 0 iov 1 1K 32K 166960K 199 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1460 92K 92K 166960K 3071 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 34 0 dirhash 15 2K 2K 166960K 27 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 25 93K 157K 166960K 2549 0 sigio 0 0K 0K 166960K 24 0 proc 56 78K 176K 166960K 3008 0 subproc 104 6K 12K 166960K 1703 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 246 0 in_multi 89 6K 7K 166960K 1095 0 ether_multi 1 0K 0K 166960K 9 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 1650 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 226 73K 132K 166960K 18732 0 UVM aobj 30 5K 5K 166960K 31 0 pinsyscall 47 94K 126K 166960K 5812 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 108 0 NDP 25 1K 2K 166960K 286 0 temp 75 6824K 6890K 166960K 20286 0 kqueue 13 20K 32K 166960K 222 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 120 393 0 389 4 3 1 3 0 8 0 rtentry 112 1082 0 981 4 1 3 4 0 8 0 unpcb 144 1174 0 1155 17 16 1 6 0 8 0 syncache 336 13 0 13 8 7 1 1 0 8 1 tcpqe 32 6 0 6 4 3 1 1 0 8 1 tcpcb 808 724 0 718 25 21 4 8 0 8 3 arp 120 192 0 175 1 0 1 1 0 8 0 ipq 40 4 0 1 2 1 1 1 0 8 0 ipqe 40 7 0 2 2 1 1 1 0 8 0 inpcb 336 2045 0 2035 36 32 4 8 0 8 3 nd6 136 303 0 283 1 0 1 1 0 8 0 kcovpl 48 131 0 123 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 4439 0 4023 77 51 26 31 0 8 0 art_table 32 4440 0 4023 4 0 4 4 0 8 0 art_node 16 1081 0 989 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 22 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 28 0 1 1 0 1 1 0 8 0 dirhash 1024 27 0 8 3 0 3 3 0 8 0 dino2pl 256 3112 0 1373 109 0 109 109 0 8 0 ffsino 272 3113 0 1373 116 0 116 116 0 8 0 nchpl 144 4672 0 2829 69 0 69 69 0 8 0 uvmvnodes 80 4825 0 0 99 0 99 99 0 8 0 vnodes 216 4825 0 0 269 0 269 269 0 8 0 namei 1024 23962 0 23958 15 14 1 2 0 8 0 percpumem 16 133 0 87 1 0 1 1 0 8 0 kstatmem 264 196 0 174 2 0 2 2 0 8 0 scxspl 216 48154 0 48154 19 18 1 8 1 8 1 plimitpl 152 779 0 755 2 0 2 2 0 8 0 sigapl 424 2580 0 2524 11 3 8 9 0 8 0 futexpl 64 14231 0 14231 10 9 1 1 0 8 1 knotepl 120 460 0 0 10 0 10 10 0 8 0 kqueuepl 216 399 0 390 7 6 1 5 0 8 0 pipepl 320 578 0 550 9 4 5 5 0 8 0 fdescpl 496 2561 0 2524 11 4 7 7 0 8 0 filepl 152 12243 0 11998 26 13 13 18 0 8 0 lockfpl 104 523 0 521 1 0 1 1 0 8 0 lockfspl 48 115 0 113 1 0 1 1 0 8 0 sessionpl 144 114 0 98 1 0 1 1 0 8 0 pgrppl 48 320 0 296 1 0 1 1 0 8 0 ucredpl 104 1488 0 1471 1 0 1 1 0 8 0 zombiepl 144 2524 0 2524 1 0 1 1 0 8 1 processpl 1160 2580 0 2524 7 1 6 6 0 8 0 procpl 648 4127 0 4068 10 3 7 7 0 8 1 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 11 0 11 5 5 0 1 0 8 0 sockpl 664 3689 0 3656 47 41 6 15 0 8 2 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 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 272 0 0 31 0 31 31 0 8 1 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 555 0 0 27 0 27 27 0 8 0 bufpl 280 9396 0 1920 535 0 535 535 0 8 0 anonpl 24 451123 0 447632 122 51 71 81 0 185 24 amapchunkpl 152 59437 0 58962 66 31 35 44 0 158 14 amappl16 200 9248 0 9240 87 83 4 27 0 8 3 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 321 0 310 1 0 1 1 0 8 0 amappl13 176 13 0 13 1 1 0 1 0 8 0 amappl12 168 4598 0 4562 8 5 3 3 0 8 1 amappl11 160 57 0 47 1 0 1 1 0 8 0 amappl10 152 12 0 12 1 1 0 1 0 8 0 amappl9 144 137 0 137 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 270 0 259 1 0 1 1 0 8 0 amappl6 120 1109 0 1105 1 0 1 1 0 8 0 amappl5 112 481 0 472 1 0 1 1 0 8 0 amappl4 104 573 0 553 1 0 1 1 0 8 0 amappl3 96 10013 0 9923 6 3 3 4 0 8 0 amappl2 88 2993 0 2912 4 1 3 3 0 8 0 amappl1 80 21226 0 20650 15 1 14 14 0 8 0 amappl 88 17677 0 17507 7 2 5 6 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 30 0 1 1 0 1 1 0 8 0 uaddrrnd 24 2561 0 2524 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2561 0 2524 1 0 1 1 0 8 0 vmmpekpl 168 24542 0 24479 5 1 4 4 0 8 0 vmmpepl 168 165166 0 163226 137 39 98 109 0 357 4 vmsppl 440 2560 0 2524 6 0 6 6 0 8 0 rwobjpl 56 54171 0 48436 85 1 84 84 0 8 0 pdppl 4096 5129 0 5048 391 288 103 113 0 8 22 pvpl 32 45345 0 0 365 1 364 364 0 265 0 pmappl 248 2560 0 2524 7 3 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 846 0 415 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8345fff0) 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(ffffffff835ec7f8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec7f8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d6a03654e00, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8345fff0) 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(ffffffff835ec7f8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec7f8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d6a03654e00, count: -6 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff8000371e4190) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80617256f8,ffff8000371e4228,8,fffffd807f7d3340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80617256f8,ffff80002a05b800,f8,0,1,7614ad66715f4331,ffff8000371e4350,fffffd80617256f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371e4350) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8061725038,ffff8000371e44d0,ffff8000371e4500,ffff8000371e4400,ffff80002a05b800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff4a40,200003c0,ffffff9c,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371e4680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e4680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe42e779f990, count: 7 ddb{1}> trace fifo_write(ffff8000371e4190) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80617256f8,ffff8000371e4228,8,fffffd807f7d3340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80617256f8,ffff80002a05b800,f8,0,1,7614ad66715f4331,ffff8000371e4350,fffffd80617256f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371e4350) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8061725038,ffff8000371e44d0,ffff8000371e4500,ffff8000371e4400,ffff80002a05b800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff4a40,200003c0,ffffff9c,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371e4680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e4680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe42e779f990, count: -8