uvm_fault(0xfffffd80560e6c10, 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 499704 28206 32767 0x10 0 0 syz-executor *308633 28206 32767 0x10 0x4000000 1K syz-executor fifo_write(ffff8000327de770) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80533f17a0,ffff8000327de808,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80533f17a0,ffff80002a098400,208,0,1,40bd3b7f4f823496,ffff8000327de930,fffffd80533f17a0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000327de930) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80533f1bd8,ffff8000327deab0,ffff8000327deae0,ffff8000327de9e0,ffff80002a098400) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371cf978,20000340,ffffff9c,20000580) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000327dec60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000327dec60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ad4ec067c0, 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(0xfffffd80560e6c10, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff8000327de770) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80533f17a0,ffff8000327de808,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80533f17a0,ffff80002a098400,208,0,1,40bd3b7f4f823496,ffff8000327de930,fffffd80533f17a0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000327de930) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80533f1bd8,ffff8000327deab0,ffff8000327deae0,ffff8000327de9e0,ffff80002a098400) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371cf978,20000340,ffffff9c,20000580) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000327dec60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000327dec60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ad4ec067c0, count: -8 ddb{1}> show registers rdi 0xfffffd80533f17a0 rsi 0x192f __ALIGN_SIZE+0x92f rbp 0xffff8000327de760 rbx 0xfffffd80533f17a0 rdx 0xffff80002b11f000 rcx 0x192e __ALIGN_SIZE+0x92e rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0x6a45b95492a5a0bf r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff8000327de808 r14 0xffff8000327de770 r15 0x1 rip 0xffffffff82dba94e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000327de730 ss 0 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=308633 pid=28206 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff71d0,0xffff8000371cea58 process=0xffff8000371d04a8 user=0xffff8000327d9000, vmspace=0xfffffd80560e6c10 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28206 499704 38367 32767 7 0x10 syz-executor *28206 308633 38367 32767 7 0x4000010 syz-executor 28206 67939 38367 32767 3 0x4000090 fsleep syz-executor 57635 177151 63838 32767 3 0x90 nanoslp syz-executor 57635 12804 63838 32767 3 0x4000090 fsleep syz-executor 57635 251342 63838 32767 3 0x4000090 fsleep syz-executor 84792 88961 52096 32767 3 0x90 nanoslp syz-executor 84792 165240 52096 32767 3 0x4000090 kqpoll syz-executor 84792 290807 52096 32767 3 0x4000090 fsleep syz-executor 83377 224946 69594 32767 3 0x90 nanoslp syz-executor 83377 211928 69594 32767 3 0x4000090 lockf syz-executor 83377 52381 69594 32767 3 0x4000090 lockf syz-executor 83377 506705 69594 32767 3 0x4000090 fsleep syz-executor 81852 78867 56087 32767 3 0x90 nanoslp syz-executor 81852 293296 56087 32767 3 0x4000090 fsleep syz-executor 81852 188756 56087 32767 3 0x4000090 netacc syz-executor 81852 229407 56087 32767 3 0x4000090 fsleep syz-executor 38367 138800 56096 32767 3 0x90 nanoslp syz-executor 56096 177684 42880 0 3 0x82 wait syz-executor 52096 27679 62139 32767 3 0x90 nanoslp syz-executor 62139 55243 42880 0 3 0x82 wait syz-executor 69594 61793 47744 32767 3 0x90 nanoslp syz-executor 47744 157711 42880 0 3 0x82 wait syz-executor 50435 374897 9672 32767 3 0x10 biowait syz-executor 9672 129800 42880 0 3 0x82 wait syz-executor 89475 84818 60655 32767 3 0x10 getblk syz-executor 60655 425368 42880 0 3 0x82 wait syz-executor 50677 255223 39655 32767 3 0x10 biowait syz-executor 39655 364032 42880 0 3 0x82 wait syz-executor 56087 84337 96 32767 3 0x90 nanoslp syz-executor 96 195639 42880 0 3 0x82 wait syz-executor 63838 65040 98243 32767 3 0x90 nanoslp syz-executor 98243 248395 42880 0 3 0x82 wait syz-executor 957 464868 30458 0 3 0x100082 sbwait arp 30458 61660 82565 0 3 0x10008a sigsusp sh 82565 163390 1 0 3 0x80 wait syz-executor 10231 103333 0 0 3 0x14200 bored sosplice 42880 90836 15295 0 3 0x82 kqread syz-executor 15295 49991 83708 0 3 0x10008a sigsusp ksh 83708 413915 52286 0 3 0x98 kqread sshd-session 52286 46749 49249 0 3 0x92 kqread sshd-session 98003 291421 1 0 3 0x100083 ttyin getty 49249 107477 1 0 3 0x88 kqread sshd 25641 360737 58781 73 3 0x1100090 kqread syslogd 58781 40220 1 0 3 0x100082 sbwait syslogd 62486 323851 1 0 3 0x100080 kqread resolvd 81305 417434 41651 77 3 0x100092 kqread dhcpleased 60162 65487 41651 77 3 0x100092 kqread dhcpleased 41651 399534 1 0 3 0x80 kqread dhcpleased 32523 408507 0 0 3 0x14200 bored smr 87611 68901 0 0 3 0x14200 pgzero zerothread 79191 169534 0 0 3 0x14200 aiodoned aiodoned 20027 3415 0 0 3 0x14200 syncer update 43722 454475 0 0 3 0x14200 cleaner cleaner 59871 59073 0 0 3 0x14200 reaper reaper 23525 49599 0 0 3 0x14200 pgdaemon pagedaemon 528 446830 0 0 3 0x14200 bored viomb 59876 200453 0 0 3 0x40014200 acpi0 acpi0 520 107364 0 0 3 0x40014200 idle1 3636 93825 0 0 3 0x14200 bored softnet3 18942 40256 0 0 3 0x14200 bored softnet2 39453 24357 0 0 3 0x14200 bored softnet1 2506 201669 0 0 3 0x14200 bored softnet0 70139 20429 0 0 3 0x14200 bored systqmp 92285 177953 0 0 3 0x14200 bored systq 83882 40144 0 0 3 0x14200 tmoslp softclockmp 12884 376619 0 0 3 0x40014200 tmoslp softclock 36114 162183 0 0 3 0x40014200 idle0 1 109626 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 28206 (syz-executor) thread 0xffff8000371cf978 (308633) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8353f718) #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 (0xfffffd805dcf8b40) #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 50435 (syz-executor) thread 0xffff8000371a67e8 (374897) exclusive rrwlock inode r = 0 (0xfffffd805dcf8f80) #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:3100 #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 (0xfffffd80516d5708) #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:3085 #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 89475 (syz-executor) thread 0xffff8000371a6050 (84818) exclusive rrwlock inode r = 0 (0xfffffd8054fdb918) #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 (0xfffffd805ff006f8) #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 50677 (syz-executor) thread 0xffff8000ffffd960 (255223) exclusive rrwlock inode r = 0 (0xfffffd8054fdbf78) #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 (0xfffffd8079edb4e8) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 10029K 10036K 166960K 13679 0 pcb 17 20K 22K 166960K 25 0 rtable 248 7K 7K 166960K 28009 0 pf 31 16K 16K 166960K 1628 0 ifaddr 42 15K 18K 166960K 3220 0 ifgroup 50 2K 2K 166960K 3233 0 sysctl 4 1K 5K 166960K 84 0 counters 64 36K 36K 166960K 1650 0 ioctlops 0 0K 2K 166960K 2391 0 iov 0 0K 33K 166960K 5483 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1472 92K 93K 166960K 24981 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 980 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 2191 0 dirhash 21 4K 5K 166960K 1092 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 26 97K 169K 166960K 56467 0 sigio 2 0K 0K 166960K 1716 0 proc 56 78K 176K 166960K 27968 0 subproc 117 7K 13K 166960K 12662 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 13629 0 in_multi 99 7K 7K 166960K 11221 0 ether_multi 1 0K 0K 166960K 370 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 295 1314K 1314K 166960K 295 0 exec 0 0K 1K 166960K 19904 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 283 84K 139K 166960K 484352 0 UVM aobj 131 4K 8K 166960K 141 0 pinsyscall 48 96K 134K 166960K 78012 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 4195 0 NDP 13 0K 2K 166960K 2398 0 temp 79 6824K 6952K 166960K 376790 0 kqueue 15 24K 37K 166960K 8970 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 8464 0 8460 62 60 2 5 0 8 1 rtentry 112 9413 0 9296 16 12 4 4 0 8 0 unpcb 144 58737 0 58717 241 237 4 11 0 8 3 syncache 336 234 0 234 66 66 0 1 0 8 0 tcpqe 32 94 0 94 50 50 0 1 0 8 0 tcpcb 808 34346 0 34333 419 411 8 19 0 8 6 arp 120 1631 0 1612 1 0 1 1 0 8 0 ipq 40 324 0 317 3 2 1 1 0 8 0 ipqe 40 4329 0 4319 3 2 1 1 0 8 0 inpcb 336 83958 0 83939 472 461 11 21 0 8 8 ip6q 72 48 0 48 12 12 0 1 0 8 0 ip6af 40 94 0 94 12 12 0 1 0 8 0 nd6 136 2970 0 2940 9 7 2 2 0 8 0 kcovpl 48 974 0 965 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 38410 0 37913 268 236 32 35 0 8 0 art_table 32 38411 0 37913 15 10 5 5 0 8 0 art_node 16 9412 0 9305 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 2189 0 2179 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 752 0 721 34 29 5 5 0 8 1 dino2pl 256 75785 0 71221 287 1 286 286 0 8 0 ffsino 272 75785 0 71221 307 2 305 305 0 8 0 nchpl 144 139497 0 136292 120 0 120 120 0 8 0 uvmvnodes 80 11268 0 0 230 0 230 230 0 8 0 vnodes 216 11268 0 0 626 0 626 626 0 8 0 namei 1024 594164 0 594162 53 51 2 2 0 8 1 percpumem 16 839 0 793 1 0 1 1 0 8 0 kstatmem 264 1608 0 1586 4 2 2 2 0 8 0 scxspl 216 502889 0 502887 152 149 3 8 1 8 2 plimitpl 152 18939 0 18913 2 0 2 2 0 8 0 sigapl 424 54807 0 54750 22 14 8 9 0 8 0 futexpl 64 679144 0 679137 36 35 1 1 0 8 0 knotepl 120 2524 0 0 26 1 25 25 0 8 0 kqueuepl 216 19997 0 19985 190 185 5 10 0 8 4 pipepl 320 10753 0 10722 157 153 4 9 0 8 0 fdescpl 496 54788 0 54750 15 9 6 8 0 8 0 filepl 152 414281 0 414008 287 271 16 28 0 8 2 lockfpl 104 16873 0 16867 6 5 1 2 0 8 0 lockfspl 48 4970 0 4966 1 0 1 1 0 8 0 sessionpl 144 813 0 796 1 0 1 1 0 8 0 pgrppl 48 3017 0 2992 1 0 1 1 0 8 0 ucredpl 104 86388 0 86369 1 0 1 1 0 8 0 zombiepl 144 54750 0 54750 1 0 1 1 0 8 1 processpl 1160 54807 0 54750 8 3 5 6 0 8 0 procpl 648 130945 0 130876 12 5 7 8 0 8 0 srpgc 96 27 0 27 13 13 0 1 0 8 0 sosppl 168 661 0 661 50 49 1 1 0 8 1 sockpl 664 152736 0 152694 775 763 12 33 0 8 8 mcl64k 65536 59 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 26 0 0 3 0 3 3 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 991 0 0 33 13 20 32 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 7569 0 0 420 0 420 420 0 8 0 bufpl 280 94250 0 82981 806 0 806 806 0 8 0 anonpl 24 6616381 0 6602531 665 553 112 130 0 185 0 amapchunkpl 152 1571563 0 1570722 467 424 43 58 0 158 0 amappl16 200 168723 0 168307 770 734 36 46 0 8 4 amappl15 192 26 0 26 12 11 1 1 0 8 1 amappl14 184 1692 0 1680 1 0 1 1 0 8 0 amappl13 176 56 0 54 1 0 1 1 0 8 0 amappl12 168 68122 0 68083 9 6 3 3 0 8 0 amappl11 160 91 0 80 1 0 1 1 0 8 0 amappl10 152 9 0 8 2 1 1 1 0 8 0 amappl9 144 162 0 161 2 1 1 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 1677 0 1664 1 0 1 1 0 8 0 amappl6 120 8103 0 8099 1 0 1 1 0 8 0 amappl5 112 3289 0 3279 1 0 1 1 0 8 0 amappl4 104 2769 0 2749 1 0 1 1 0 8 0 amappl3 96 283679 0 283565 8 4 4 4 0 8 0 amappl2 88 56993 0 56907 3 0 3 3 0 8 0 amappl1 80 224238 0 223656 23 9 14 15 0 8 0 amappl 88 473948 0 473723 17 10 7 7 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 72 140 0 10 3 0 3 3 0 8 0 uaddrrnd 24 54788 0 54750 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 54788 0 54750 1 0 1 1 0 8 0 vmmpekpl 168 442228 0 442174 7 2 5 5 0 8 0 vmmpepl 168 3360829 0 3358327 639 508 131 143 0 357 4 vmsppl 440 54787 0 54750 19 14 5 7 0 8 0 rwobjpl 56 813759 0 800995 262 77 185 185 0 8 0 pdppl 4096 109583 0 109500 1774 1683 91 119 0 8 8 pvpl 32 49932 0 0 394 1 393 393 0 265 0 pmappl 248 54787 0 54750 8 4 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4148 0 2955 35 0 35 35 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83487ff0) 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(ffffffff8353f510) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8353f510) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000327d2060,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: 0x7ea663304870, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83487ff0) 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(ffffffff8353f510) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8353f510) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000327d2060,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: 0x7ea663304870, count: -6 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff8000327de770) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80533f17a0,ffff8000327de808,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80533f17a0,ffff80002a098400,208,0,1,40bd3b7f4f823496,ffff8000327de930,fffffd80533f17a0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000327de930) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80533f1bd8,ffff8000327deab0,ffff8000327deae0,ffff8000327de9e0,ffff80002a098400) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371cf978,20000340,ffffff9c,20000580) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000327dec60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000327dec60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ad4ec067c0, count: 7 ddb{1}> trace fifo_write(ffff8000327de770) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80533f17a0,ffff8000327de808,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80533f17a0,ffff80002a098400,208,0,1,40bd3b7f4f823496,ffff8000327de930,fffffd80533f17a0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000327de930) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80533f1bd8,ffff8000327deab0,ffff8000327deae0,ffff8000327de9e0,ffff80002a098400) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371cf978,20000340,ffffff9c,20000580) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000327dec60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000327dec60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ad4ec067c0, count: -8