uvm_fault(0xfffffd806c276388, 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 *413550 84599 32767 0x10 0x4000000 1K syz-executor 124480 51094 32767 0x10 0 0 syz-executor fifo_write(ffff80002b1181e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807d9e2518,ffff80002b118278,8,fffffd807f7d30d0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807d9e2518,ffff800029fe6800,100,0,1,3cfb5b6796bf8572,ffff80002b1183a0,fffffd807d9e2518,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80002b1183a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80769f27f8,ffff80002b118520,ffff80002b118550,ffff80002b118450,ffff800029fe6800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003259c2a8,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80002b1186d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002b1186d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71cfdb52130, 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(0xfffffd806c276388, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff80002b1181e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807d9e2518,ffff80002b118278,8,fffffd807f7d30d0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807d9e2518,ffff800029fe6800,100,0,1,3cfb5b6796bf8572,ffff80002b1183a0,fffffd807d9e2518,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80002b1183a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80769f27f8,ffff80002b118520,ffff80002b118550,ffff80002b118450,ffff800029fe6800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003259c2a8,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80002b1186d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002b1186d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71cfdb52130, count: -8 ddb{1}> show registers rdi 0xfffffd807d9e2518 rsi 0x1 rbp 0xffff80002b1181d0 rbx 0xfffffd807d9e2518 rdx 0 rcx 0xffff80003259c2a8 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0xc7c1c9f18471ce4d r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff80002b118278 r14 0xffff80002b1181e0 r15 0x1 rip 0xffffffff81c0e32e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002b1181a0 ss 0x10 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=413550 pid=84599 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=85, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003259d460,0xffff80003259d6f8 process=0xffff8000371d0db8 user=0xffff80002b113000, vmspace=0xfffffd806c276388 estcpu=35, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70699 408361 51803 32767 2 0x10 syz-executor 11503 17597 91464 32767 2 0x10 syz-executor 11503 204914 91464 32767 3 0x4000090 fsleep syz-executor 84599 105348 38257 32767 3 0x90 nanoslp syz-executor 84599 257843 38257 32767 3 0x4000090 fsleep syz-executor *84599 413550 38257 32767 7 0x4000010 syz-executor 51094 124480 71233 32767 7 0x10 syz-executor 51094 380121 71233 32767 3 0x4000090 fsleep syz-executor 51094 408539 71233 32767 3 0x4000090 fsleep syz-executor 89488 484551 55974 32767 2 0x10 syz-executor 89488 521723 55974 32767 3 0x4000090 sbwait syz-executor 89488 284070 55974 32767 3 0x4000090 fsleep syz-executor 71233 469912 31588 32767 3 0x90 nanoslp syz-executor 91464 201951 72070 32767 3 0x90 nanoslp syz-executor 38257 283400 28100 32767 3 0x90 nanoslp syz-executor 53568 236956 40419 32767 3 0x10 biowait syz-executor 28100 400743 85271 0 3 0x82 wait syz-executor 20693 504357 86388 32767 2 0x10 syz-executor 55974 491589 75687 32767 3 0x90 nanoslp syz-executor 21822 489862 98989 32767 3 0x10 biowait syz-executor 86388 352023 85271 0 3 0x82 wait syz-executor 72070 208703 85271 0 3 0x82 wait syz-executor 75687 490929 85271 0 3 0x82 wait syz-executor 51803 446271 24546 32767 3 0x90 nanoslp syz-executor 40419 342006 85271 0 3 0x82 wait syz-executor 98989 160087 85271 0 3 0x82 wait syz-executor 31588 503034 85271 0 3 0x82 wait syz-executor 24546 238613 85271 0 3 0x82 wait syz-executor 82952 96694 29645 32767 4 0x82010 syz-executor 82952 492711 29645 32767 3 0x4002010 suspend syz-executor 82952 390258 29645 32767 4 0x4082010 syz-executor 29645 223336 1 32767 3 0x90 wait syz-executor 37910 4187 0 0 3 0x14200 bored sosplice 85271 187458 73389 0 2 0x2 syz-executor 73389 138444 70678 0 3 0x10008a sigsusp ksh 70678 57950 89599 0 3 0x98 kqread sshd-session 89599 295172 2451 0 3 0x92 kqread sshd-session 23753 116300 1 0 3 0x100083 ttyin getty 2451 323640 1 0 3 0x88 kqread sshd 69638 336039 58935 73 2 0x1100010 syslogd 58935 13582 1 0 3 0x100082 sbwait syslogd 21325 102686 1 0 3 0x100080 kqread resolvd 70185 438138 10656 77 3 0x100092 kqread dhcpleased 67256 55319 10656 77 3 0x100092 kqread dhcpleased 10656 148012 1 0 3 0x80 kqread dhcpleased 23398 156494 0 0 3 0x14200 bored smr 38131 212210 0 0 2 0x14200 zerothread 37288 207416 0 0 3 0x14200 aiodoned aiodoned 76251 362720 0 0 3 0x14200 syncer update 97117 366827 0 0 3 0x14200 cleaner cleaner 54070 494478 0 0 3 0x14200 reaper reaper 94895 489026 0 0 3 0x14200 pgdaemon pagedaemon 51635 123823 0 0 3 0x14200 bored viomb 28351 411016 0 0 3 0x40014200 acpi0 acpi0 93854 368015 0 0 3 0x40014200 idle1 41650 272578 0 0 3 0x14200 bored softnet3 74682 112906 0 0 3 0x14200 bored softnet2 72442 30320 0 0 3 0x14200 bored softnet1 65426 128717 0 0 3 0x14200 bored softnet0 47089 467499 0 0 3 0x14200 bored systqmp 77925 296156 0 0 3 0x14200 bored systq 47489 55395 0 0 3 0x14200 tmoslp softclockmp 30218 159447 0 0 3 0x40014200 tmoslp softclock 26974 151139 0 0 3 0x40014200 idle0 1 398717 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 84599 (syz-executor) thread 0xffff80003259c2a8 (413550) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83501b20) #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 (0xfffffd8069bddf78) #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 89488 (syz-executor) thread 0xffff8000371cf720 (521723) exclusive rwlock sbufrcv r = 0 (0xffff800010fc23c0) #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 sblock+0xb7 sys/kern/uipc_socket2.c:549 #3 soreceive+0x295 sys/kern/uipc_socket.c:947 #4 recvit+0x40a sys/kern/uipc_syscalls.c:1082 #5 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:882 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 53568 (syz-executor) thread 0xffff8000371a9718 (236956) exclusive rrwlock inode r = 0 (0xfffffd8069bdd2b8) #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 (0xfffffd806c28d5f8) #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 21822 (syz-executor) thread 0xffff800037203980 (489862) exclusive rrwlock inode r = 0 (0xfffffd8058e3e4e0) #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 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #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 exclusive rrwlock inode r = 0 (0xfffffd806c28d1b8) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #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 69638 (syslogd) thread 0xffff8000ffffd1c8 (336039) exclusive rrwlock inode r = 0 (0xfffffd806e2d4a30) #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 10216 10029K 10036K 166960K 12076 0 pcb 17 14K 16K 166960K 19 0 rtable 234 6K 7K 166960K 8392 0 pf 31 16K 16K 166960K 562 0 ifaddr 42 11K 11K 166960K 1091 0 ifgroup 50 2K 2K 166960K 1101 0 sysctl 4 1K 3K 166960K 7 0 counters 64 36K 36K 166960K 584 0 ioctlops 0 0K 2K 166960K 330 0 iov 0 0K 18K 166960K 424 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1468 92K 92K 166960K 6952 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 73 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 107 0 dirhash 15 2K 3K 166960K 81 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 25 93K 165K 166960K 7267 0 sigio 1 0K 0K 166960K 74 0 proc 56 78K 176K 166960K 8029 0 subproc 117 7K 13K 166960K 5057 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 985 0 in_multi 99 7K 7K 166960K 3077 0 ether_multi 1 0K 0K 166960K 17 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 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 4732 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 254 84K 139K 166960K 49834 0 UVM aobj 115 8K 8K 166960K 121 0 pinsyscall 46 92K 130K 166960K 15049 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 260 0 NDP 25 1K 2K 166960K 805 0 temp 78 6824K 6948K 166960K 52615 0 kqueue 14 22K 37K 166960K 580 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 120 879 0 876 3 2 1 2 0 8 0 rtentry 112 3010 0 2900 11 7 4 4 0 8 0 unpcb 144 3110 0 3093 32 31 1 7 0 8 0 syncache 336 33 0 33 19 18 1 1 0 8 1 tcpqe 32 19 0 19 9 9 0 1 0 8 0 tcpcb 808 2445 0 2440 81 80 1 18 0 8 0 arp 120 543 0 525 1 0 1 1 0 8 0 ipq 40 17 0 15 4 3 1 1 0 8 0 ipqe 40 255 0 253 4 3 1 1 0 8 0 inpcb 336 6569 0 6558 111 107 4 16 0 8 2 nd6 136 844 0 820 3 2 1 2 0 8 0 kcovpl 48 389 0 380 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 12155 0 11697 155 126 29 31 0 8 0 art_table 32 12156 0 11697 8 4 4 4 0 8 0 art_node 16 3009 0 2909 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 2 1 1 1 0 8 0 semapl 112 105 0 95 1 0 1 1 0 8 0 shmpl 112 118 0 6 4 0 4 4 0 8 0 dirhash 1024 66 0 45 3 0 3 3 0 8 0 dino2pl 256 6430 0 4206 141 1 140 140 0 8 0 ffsino 272 6430 0 4206 151 2 149 149 0 8 0 nchpl 144 10333 0 8122 84 1 83 83 0 8 0 uvmvnodes 80 9158 0 0 187 0 187 187 0 8 0 vnodes 216 9158 0 0 509 0 509 509 0 8 0 namei 1024 62889 0 62887 38 37 1 2 0 8 0 percpumem 16 306 0 260 1 0 1 1 0 8 0 kstatmem 264 542 0 520 2 0 2 2 0 8 0 scxspl 216 139138 0 139136 34 32 2 8 1 8 1 plimitpl 152 1792 0 1766 2 0 2 2 0 8 0 sigapl 424 6789 0 6733 20 11 9 9 0 8 0 futexpl 64 39924 0 39919 26 25 1 1 0 8 0 knotepl 120 727 0 0 11 1 10 10 0 8 0 kqueuepl 216 1270 0 1260 26 25 1 5 0 8 0 pipepl 320 1671 0 1641 21 16 5 9 0 8 0 fdescpl 496 6770 0 6733 19 12 7 7 0 8 0 filepl 152 34877 0 34612 62 48 14 21 0 8 0 lockfpl 104 826 0 823 1 0 1 1 0 8 0 lockfspl 48 275 0 272 1 0 1 1 0 8 0 sessionpl 144 293 0 276 1 0 1 1 0 8 0 pgrppl 48 721 0 696 1 0 1 1 0 8 0 ucredpl 104 5616 0 5596 1 0 1 1 0 8 0 zombiepl 144 6733 0 6733 1 0 1 1 0 8 1 processpl 1160 6789 0 6733 14 8 6 6 0 8 0 procpl 648 11322 0 11257 13 5 8 8 0 8 1 srpgc 96 14 0 14 7 7 0 1 0 8 0 sosppl 168 41 0 41 19 19 0 1 0 8 0 sockpl 664 10632 0 10600 148 142 6 20 0 8 2 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 19 0 0 3 1 2 3 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 417 0 0 31 8 23 31 0 8 1 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 761 0 0 22 0 22 22 0 8 0 bufpl 280 14190 0 5031 655 0 655 655 0 8 0 anonpl 24 974128 0 965878 179 101 78 81 0 185 27 amapchunkpl 152 158307 0 157477 114 76 38 46 0 158 3 amappl16 200 16192 0 16176 179 165 14 26 0 8 11 amappl15 192 18 0 17 1 0 1 1 0 8 0 amappl14 184 649 0 639 1 0 1 1 0 8 0 amappl13 176 14 0 13 1 0 1 1 0 8 0 amappl12 168 11631 0 11595 11 8 3 3 0 8 0 amappl11 160 56 0 46 1 0 1 1 0 8 0 amappl10 152 18 0 16 1 0 1 1 0 8 0 amappl9 144 147 0 147 1 1 0 1 0 8 0 amappl8 136 43 0 41 1 0 1 1 0 8 0 amappl7 128 629 0 619 1 0 1 1 0 8 0 amappl6 120 2780 0 2778 1 0 1 1 0 8 0 amappl5 112 1187 0 1178 1 0 1 1 0 8 0 amappl4 104 1127 0 1109 1 0 1 1 0 8 0 amappl3 96 26303 0 26191 4 0 4 4 0 8 0 amappl2 88 7624 0 7543 3 0 3 3 0 8 0 amappl1 80 47613 0 47065 19 4 15 16 0 8 0 amappl 88 47330 0 47131 9 3 6 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 72 120 0 6 4 1 3 3 0 8 0 uaddrrnd 24 6770 0 6733 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6770 0 6733 1 0 1 1 0 8 0 vmmpekpl 168 60381 0 60301 6 1 5 5 0 8 1 vmmpepl 168 418158 0 416153 196 89 107 108 0 357 3 vmsppl 440 6769 0 6733 11 4 7 7 0 8 1 rwobjpl 56 123529 0 113376 163 15 148 148 0 8 0 pdppl 4096 13547 0 13466 911 812 99 117 0 8 18 pvpl 32 45128 0 0 362 2 360 360 0 265 0 pmappl 248 6769 0 6733 12 8 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1673 0 1194 15 0 15 15 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8341fff0) 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(ffffffff83501918) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83501918) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000319a4a00,ffff80000006c480) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __mp_lock(ffffffff83501918) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83501918) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000319a4b60,ffff80000004b700) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7ae5030610d0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff8341fff0) 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(ffffffff83501918) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83501918) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000319a4a00,ffff80000006c480) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __mp_lock(ffffffff83501918) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83501918) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000319a4b60,ffff80000004b700) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7ae5030610d0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff80002b1181e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807d9e2518,ffff80002b118278,8,fffffd807f7d30d0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807d9e2518,ffff800029fe6800,100,0,1,3cfb5b6796bf8572,ffff80002b1183a0,fffffd807d9e2518,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80002b1183a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80769f27f8,ffff80002b118520,ffff80002b118550,ffff80002b118450,ffff800029fe6800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003259c2a8,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80002b1186d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002b1186d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71cfdb52130, count: 7 ddb{1}> trace fifo_write(ffff80002b1181e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807d9e2518,ffff80002b118278,8,fffffd807f7d30d0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807d9e2518,ffff800029fe6800,100,0,1,3cfb5b6796bf8572,ffff80002b1183a0,fffffd807d9e2518,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80002b1183a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80769f27f8,ffff80002b118520,ffff80002b118550,ffff80002b118450,ffff800029fe6800) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003259c2a8,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80002b1186d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002b1186d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71cfdb52130, count: -8