uvm_fault(0xfffffd806c12c898, 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 154634 40808 32767 0x10 0 0 syz-executor *204000 40808 32767 0x10 0x4000000 1K syz-executor fifo_write(ffff800033b984e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8073f6e538,ffff800033b98578,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8073f6e538,ffff800029fe6000,106,0,1,d544aac002177ac9,ffff800033b986a0,fffffd8073f6e538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800033b986a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8073f6ebf8,ffff800033b98820,ffff800033b98850,ffff800033b98750,ffff800029fe6000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371d87d8,20000600,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800033b989d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033b989d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f25458e6a0, 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(0xfffffd806c12c898, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff800033b984e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8073f6e538,ffff800033b98578,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8073f6e538,ffff800029fe6000,106,0,1,d544aac002177ac9,ffff800033b986a0,fffffd8073f6e538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800033b986a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8073f6ebf8,ffff800033b98820,ffff800033b98850,ffff800033b98750,ffff800029fe6000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371d87d8,20000600,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800033b989d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033b989d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f25458e6a0, count: -8 ddb{1}> show registers rdi 0xfffffd8073f6e538 rsi 0x1 rbp 0xffff800033b984d0 rbx 0xfffffd8073f6e538 rdx 0 rcx 0xffff8000371d87d8 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0xdcff2d1fb8f6287e r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff800033b98578 r14 0xffff800033b984e0 r15 0x1 rip 0xffffffff81faec7e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800033b984a0 ss 0x10 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=204000 pid=40808 tcnt=3 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=0xffff8000371d9990,0xffff8000371d9490 process=0xffff800036fd0db8 user=0xffff800033b93000, vmspace=0xfffffd806c12c898 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40808 154634 5834 32767 7 0x10 syz-executor *40808 204000 5834 32767 7 0x4000010 syz-executor 40808 337040 5834 32767 2 0x4000010 syz-executor 62255 166009 11795 32767 2 0x3010 syz-executor 54767 420314 61931 32767 3 0x90 nanoslp syz-executor 54767 263628 61931 32767 3 0x4000090 sbwait syz-executor 54767 99044 61931 32767 3 0x4000090 fsleep syz-executor 89058 468118 27446 32767 3 0x90 nanoslp syz-executor 89058 205357 27446 32767 3 0x4000090 pipewr syz-executor 14862 445270 96816 32767 3 0x90 nanoslp syz-executor 14862 458902 96816 32767 3 0x4000090 kqsel syz-executor 14862 137867 96816 32767 3 0x4000090 msgwait syz-executor 14862 414530 96816 32767 3 0x4000090 fsleep syz-executor 11795 60281 69140 32767 3 0x90 nanoslp syz-executor 27446 140205 55314 32767 3 0x90 nanoslp syz-executor 55314 109127 22982 0 3 0x82 wait syz-executor 5834 265122 25698 32767 3 0x90 nanoslp syz-executor 99024 264973 82550 32767 3 0x10 biowait syz-executor 81463 55679 80392 32767 3 0x10 biowait syz-executor 25698 394066 22982 0 3 0x82 wait syz-executor 69140 456652 22982 0 3 0x82 wait syz-executor 80392 425632 22982 0 3 0x82 wait syz-executor 82550 231057 22982 0 3 0x82 wait syz-executor 90544 467057 24884 32767 3 0x10 getblk syz-executor 24884 52806 22982 0 3 0x82 wait syz-executor 61931 338825 19266 32767 3 0x90 nanoslp syz-executor 19266 417198 22982 0 3 0x82 wait syz-executor 96816 50171 9734 32767 3 0x90 nanoslp syz-executor 9734 321375 22982 0 3 0x82 wait syz-executor 37360 501693 0 0 3 0x14200 bored sosplice 96716 425726 43572 0 3 0x100082 sbwait arp 43572 336548 97333 0 3 0x10008a sigsusp sh 97333 426907 1 0 3 0x80 wait syz-executor 22982 50407 55983 0 3 0x82 kqread syz-executor 55983 102156 25459 0 3 0x10008a sigsusp ksh 25459 442601 72543 0 3 0x98 kqread sshd-session 72543 148078 11815 0 3 0x92 kqread sshd-session 48490 119046 1 0 3 0x100083 ttyin getty 11815 39719 1 0 3 0x88 kqread sshd 59743 112906 23929 73 3 0x1100010 ffs_fsync syslogd 23929 509967 1 0 3 0x100082 sbwait syslogd 53554 17739 1 0 3 0x100080 kqread resolvd 95503 60999 43927 77 3 0x100092 kqread dhcpleased 67638 65646 43927 77 3 0x100092 kqread dhcpleased 43927 414047 1 0 3 0x80 kqread dhcpleased 69419 56045 0 0 3 0x14200 bored smr 85969 351190 0 0 3 0x14200 pgzero zerothread 83731 494425 0 0 3 0x14200 aiodoned aiodoned 83343 106874 0 0 3 0x14200 syncer update 71970 301672 0 0 3 0x14200 cleaner cleaner 17356 148580 0 0 3 0x14200 reaper reaper 29384 395225 0 0 3 0x14200 pgdaemon pagedaemon 99048 424809 0 0 3 0x14200 bored viomb 94672 229386 0 0 3 0x40014200 acpi0 acpi0 32157 205862 0 0 3 0x40014200 idle1 95058 80131 0 0 3 0x14200 bored softnet3 13121 325670 0 0 3 0x14200 bored softnet2 28319 211036 0 0 3 0x14200 bored softnet1 40418 497026 0 0 3 0x14200 bored softnet0 12652 207125 0 0 3 0x14200 bored systqmp 61166 147972 0 0 3 0x14200 bored systq 22053 247885 0 0 3 0x14200 tmoslp softclockmp 97324 422847 0 0 3 0x40014200 tmoslp softclock 88361 165172 0 0 3 0x40014200 idle0 1 47700 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 40808 (syz-executor) thread 0xffff8000371d87d8 (204000) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83543d28) #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 (0xfffffd807b1324e0) #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 99024 (syz-executor) thread 0xffff800036fc51e8 (264973) exclusive rrwlock inode r = 0 (0xfffffd807b1321b0) #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:3101 #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 (0xfffffd806dfa30a0) #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:3086 #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 81463 (syz-executor) thread 0xffff800029fd8008 (55679) exclusive rrwlock inode r = 0 (0xfffffd807b1322c0) #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 (0xfffffd8066eeb4e8) #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 90544 (syz-executor) thread 0xffff80002a03a020 (467057) exclusive rrwlock inode r = 0 (0xfffffd807b1320a0) #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 59743 (syslogd) thread 0xffff8000ffffd960 (112906) exclusive rrwlock inode r = 0 (0xfffffd806e32dd60) #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:2928 #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 10181 10024K 10036K 166960K 11307 0 pcb 17 12K 12K 166960K 17 0 rtable 236 6K 6K 166960K 817 0 pf 31 16K 16K 166960K 63 0 ifaddr 42 7K 7K 166960K 108 0 ifgroup 50 2K 2K 166960K 114 0 sysctl 2 0K 0K 166960K 2 0 counters 64 36K 36K 166960K 96 0 ioctlops 0 0K 2K 166960K 46 0 iov 0 0K 16K 166960K 20 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1431 90K 90K 166960K 1652 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 7 0K 1K 166960K 40 0 dirhash 15 2K 3K 166960K 21 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 26 97K 149K 166960K 575 0 sigio 0 0K 0K 166960K 4 0 proc 56 78K 164K 166960K 920 0 subproc 117 7K 10K 166960K 364 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 46 0 in_multi 99 7K 7K 166960K 271 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 561 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 259 82K 114K 166960K 5593 0 UVM aobj 15 2K 2K 166960K 18 0 pinsyscall 48 96K 124K 166960K 1995 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 1K 166960K 73 0 temp 49 6816K 6894K 166960K 6550 0 kqueue 14 22K 31K 166960K 73 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 86 0 80 1 0 1 1 0 8 0 rtentry 112 281 0 170 4 0 4 4 0 8 0 unpcb 144 161 0 142 2 1 1 2 0 8 0 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 108 0 102 2 0 2 2 0 8 1 arp 120 50 0 32 1 0 1 1 0 8 0 inpcb 336 418 0 408 5 1 4 4 0 8 2 nd6 136 70 0 45 1 0 1 1 0 8 0 kcovpl 48 28 0 19 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1121 0 664 33 4 29 29 0 8 0 art_table 32 1122 0 664 4 0 4 4 0 8 0 art_node 16 280 0 179 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 2 1 1 1 0 8 0 semapl 112 5 0 0 1 0 1 1 0 8 0 shmpl 112 15 0 3 1 0 1 1 0 8 0 dirhash 1024 23 0 4 3 0 3 3 0 8 0 dino2pl 256 1832 0 290 97 0 97 97 0 8 0 ffsino 272 1832 0 290 104 0 104 104 0 8 0 nchpl 144 2246 0 545 64 0 64 64 0 8 0 uvmvnodes 80 2205 0 0 45 0 45 45 0 8 0 vnodes 216 2205 0 0 123 0 123 123 0 8 0 namei 1024 8316 0 8313 4 3 1 1 0 8 0 percpumem 16 62 0 16 1 0 1 1 0 8 0 kstatmem 264 54 0 32 2 0 2 2 0 8 0 scxspl 216 9065 0 9062 11 3 8 8 1 8 7 plimitpl 152 100 0 74 2 0 2 2 0 8 0 sigapl 424 815 0 758 9 1 8 8 0 8 0 futexpl 64 2876 0 2874 4 3 1 1 0 8 0 knotepl 120 599 0 0 17 0 17 17 0 8 0 kqueuepl 216 95 0 84 1 0 1 1 0 8 0 pipepl 320 182 0 151 4 0 4 4 0 8 0 fdescpl 496 796 0 758 7 0 7 7 0 8 0 filepl 152 3013 0 2746 13 0 13 13 0 8 0 lockfpl 104 90 0 88 1 0 1 1 0 8 0 lockfspl 48 30 0 28 1 0 1 1 0 8 0 sessionpl 144 37 0 20 1 0 1 1 0 8 0 pgrppl 48 65 0 40 1 0 1 1 0 8 0 ucredpl 104 327 0 308 1 0 1 1 0 8 0 zombiepl 144 759 0 758 1 0 1 1 0 8 0 processpl 1160 815 0 758 6 1 5 6 0 8 0 procpl 648 1116 0 1051 9 2 7 7 0 8 0 sosppl 168 3 0 3 1 0 1 1 0 8 1 sockpl 664 665 0 630 7 1 6 6 0 8 2 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 238 0 0 30 0 30 30 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 394 0 0 22 0 22 22 0 8 0 bufpl 280 5106 0 98 358 0 358 358 0 8 0 anonpl 24 208101 0 204613 52 1 51 51 0 185 19 amapchunkpl 152 19093 0 18527 36 5 31 35 0 158 6 amappl16 200 5293 0 5280 30 16 14 14 0 8 11 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 139 0 128 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 1654 0 1615 5 2 3 3 0 8 0 amappl11 160 55 0 44 1 0 1 1 0 8 0 amappl10 152 12 0 12 1 1 0 1 0 8 0 amappl9 144 167 0 167 1 1 0 1 0 8 0 amappl8 136 23 0 22 1 0 1 1 0 8 0 amappl7 128 126 0 115 1 0 1 1 0 8 0 amappl6 120 317 0 315 1 0 1 1 0 8 0 amappl5 112 186 0 177 1 0 1 1 0 8 0 amappl4 104 331 0 313 1 0 1 1 0 8 0 amappl3 96 3062 0 2952 5 1 4 4 0 8 0 amappl2 88 1032 0 950 4 1 3 3 0 8 0 amappl1 80 9776 0 9204 14 0 14 14 0 8 0 amappl 88 5131 0 4930 6 0 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 17 0 3 1 0 1 1 0 8 0 uaddrrnd 24 796 0 758 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 796 0 758 1 0 1 1 0 8 0 vmmpekpl 168 8372 0 8295 4 0 4 4 0 8 0 vmmpepl 168 57373 0 55337 115 9 106 106 0 357 9 vmsppl 440 795 0 758 6 0 6 6 0 8 0 rwobjpl 56 23018 0 19888 51 3 48 48 0 8 1 pdppl 4096 1599 0 1516 160 71 89 109 0 8 6 pvpl 32 27172 0 0 220 1 219 219 0 265 0 pmappl 248 795 0 758 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 468 0 83 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834e9ff0) 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(ffffffff83543b20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83543b20) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800033b92220,ffff80000006bc00) 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: 0x768d967c9530, count: 9 ddb{0}> trace x86_ipi_db(ffffffff834e9ff0) 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(ffffffff83543b20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83543b20) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800033b92220,ffff80000006bc00) 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: 0x768d967c9530, count: -6 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff800033b984e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8073f6e538,ffff800033b98578,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8073f6e538,ffff800029fe6000,106,0,1,d544aac002177ac9,ffff800033b986a0,fffffd8073f6e538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800033b986a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8073f6ebf8,ffff800033b98820,ffff800033b98850,ffff800033b98750,ffff800029fe6000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371d87d8,20000600,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800033b989d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033b989d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f25458e6a0, count: 7 ddb{1}> trace fifo_write(ffff800033b984e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8073f6e538,ffff800033b98578,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8073f6e538,ffff800029fe6000,106,0,1,d544aac002177ac9,ffff800033b986a0,fffffd8073f6e538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800033b986a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8073f6ebf8,ffff800033b98820,ffff800033b98850,ffff800033b98750,ffff800029fe6000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371d87d8,20000600,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800033b989d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033b989d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f25458e6a0, count: -8