uvm_fault(0xfffffd80092fa1b8, 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 367946 37767 32767 0x10 0 0 syz-executor *342048 42920 32767 0x10 0x4000000 1K syz-executor fifo_write(ffff800031e2e840) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80780ee6d0,ffff800031e2e8d8,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80780ee6d0,ffff80002a696000,107,0,1,f0ac05efaf947382,ffff800031e2ea00,fffffd80780ee6d0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800031e2ea00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805d35b6c0,ffff800031e2eb80,ffff800031e2ebb0,ffff800031e2eab0,ffff80002a696000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff7bf0,200002c0,ffffff9c,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800031e2ed30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800031e2ed30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc79bffcf1a0, 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(0xfffffd80092fa1b8, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff800031e2e840) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80780ee6d0,ffff800031e2e8d8,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80780ee6d0,ffff80002a696000,107,0,1,f0ac05efaf947382,ffff800031e2ea00,fffffd80780ee6d0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800031e2ea00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805d35b6c0,ffff800031e2eb80,ffff800031e2ebb0,ffff800031e2eab0,ffff80002a696000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff7bf0,200002c0,ffffff9c,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800031e2ed30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800031e2ed30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc79bffcf1a0, count: -8 ddb{1}> show registers rdi 0xfffffd80780ee6d0 rsi 0x1808 __ALIGN_SIZE+0x808 rbp 0xffff800031e2e830 rbx 0xfffffd80780ee6d0 rdx 0xffff80002a07f000 rcx 0x1807 __ALIGN_SIZE+0x807 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0x3ccbac4fcdde2f7f r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff800031e2e8d8 r14 0xffff800031e2e840 r15 0x1 rip 0xffffffff8227dffe fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800031e2e800 ss 0 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=342048 pid=42920 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=0xffff800029fe7248,0xffff800034d84098 process=0xffff8000371c4db8 user=0xffff800031e29000, vmspace=0xfffffd80092fa1b8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37767 367946 36316 32767 7 0x10 syz-executor 42920 342210 40315 32767 2 0x10 syz-executor *42920 342048 40315 32767 7 0x4000010 syz-executor 71215 165293 18549 32767 3 0x90 nanoslp syz-executor 71215 274979 18549 32767 3 0x4000090 kqsel syz-executor 71215 190003 18549 32767 3 0x4000090 fsleep syz-executor 4567 2812 81224 32767 3 0x90 nanoslp syz-executor 4567 489513 81224 32767 3 0x4000090 piperd syz-executor 4567 448875 81224 32767 3 0x4000090 fsleep syz-executor 55768 501434 75347 32767 3 0x90 nanoslp syz-executor 55768 80455 75347 32767 3 0x4000090 fsleep syz-executor 55768 472687 75347 32767 3 0x4000090 sbwait syz-executor 55768 405625 75347 32767 3 0x4000090 fsleep syz-executor 73165 92860 13003 32767 3 0x90 nanoslp syz-executor 13003 368351 75538 0 3 0x82 wait syz-executor 40315 22239 22128 32767 3 0x90 nanoslp syz-executor 22128 355950 75538 0 3 0x82 wait syz-executor 92602 523232 65237 32767 3 0x10 biowait syz-executor 65237 10162 75538 0 3 0x82 wait syz-executor 18549 211254 30725 32767 3 0x90 nanoslp syz-executor 30725 91620 75538 0 3 0x82 wait syz-executor 44800 236131 99504 32767 3 0x10 biowait syz-executor 99504 426726 75538 0 3 0x82 wait syz-executor 36316 242850 90785 32767 3 0x90 nanoslp syz-executor 90785 218605 75538 0 3 0x82 wait syz-executor 81224 176723 20763 32767 3 0x90 nanoslp syz-executor 20763 57522 75538 0 3 0x82 wait syz-executor 75347 507767 62606 32767 3 0x90 nanoslp syz-executor 62606 193300 75538 0 3 0x82 wait syz-executor 66130 468070 20338 32767 4 0x82010 syz-executor 66130 471561 20338 32767 4 0x4082010 syz-executor 66130 369815 20338 32767 3 0x4002010 suspend syz-executor 66130 89874 20338 32767 4 0x4082010 syz-executor 20338 350033 1 32767 3 0x90 wait syz-executor 14039 73915 0 0 3 0x14200 bored sosplice 75538 279140 52132 0 3 0x82 kqread syz-executor 52132 199138 90450 0 3 0x10008a sigsusp ksh 90450 83099 38034 0 3 0x98 kqread sshd-session 38034 156394 58741 0 3 0x92 kqread sshd-session 27781 12493 1 0 3 0x100083 ttyin getty 58741 329285 1 0 3 0x88 kqread sshd 64099 186730 13749 73 3 0x1100090 kqread syslogd 13749 18389 1 0 3 0x100082 sbwait syslogd 32181 182063 1 0 3 0x100080 kqread resolvd 44509 211066 88966 77 3 0x100092 kqread dhcpleased 40957 374574 88966 77 3 0x100092 kqread dhcpleased 88966 405554 1 0 3 0x80 kqread dhcpleased 77601 290101 0 0 3 0x14200 bored smr 55734 82302 0 0 2 0x14200 zerothread 34900 63282 0 0 3 0x14200 aiodoned aiodoned 23143 362052 0 0 3 0x14200 syncer update 6244 279095 0 0 3 0x14200 cleaner cleaner 83586 121279 0 0 3 0x14200 reaper reaper 37825 44867 0 0 3 0x14200 pgdaemon pagedaemon 96624 186802 0 0 3 0x14200 bored viomb 46374 262980 0 0 3 0x40014200 acpi0 acpi0 29610 14339 0 0 3 0x40014200 idle1 86357 180389 0 0 3 0x14200 bored softnet3 8352 411287 0 0 3 0x14200 bored softnet2 94466 263478 0 0 3 0x14200 bored softnet1 60159 334183 0 0 3 0x14200 bored softnet0 3582 19193 0 0 3 0x14200 bored systqmp 31153 82763 0 0 3 0x14200 bored systq 28771 341607 0 0 3 0x14200 tmoslp softclockmp 97592 79039 0 0 3 0x40014200 tmoslp softclock 52724 335793 0 0 3 0x40014200 idle0 1 123710 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 37767 (syz-executor) thread 0xffff800034d84088 (367946) exclusive rwlock vmmaplk r = 0 (0xfffffd8070b507d0) #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 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_mapanon+0x292 #4 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 #5 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #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 42920 (syz-executor) thread 0xffff8000ffff7bf0 (342048) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8350be60) #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 (0xfffffd8073c7cf78) #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 92602 (syz-executor) thread 0xffff800029fe6d38 (523232) exclusive rrwlock inode r = 0 (0xfffffd8073c7c5e8) #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 (0xfffffd805823c1a8) #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 44800 (syz-executor) thread 0xffff8000ffffc7a8 (236131) exclusive rrwlock inode r = 0 (0xfffffd8073c7ca28) #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 (0xfffffd805860ac58) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 10029K 10036K 166960K 14492 0 pcb 17 32K 36K 166960K 31 0 rtable 244 6K 7K 166960K 39392 0 pf 31 16K 16K 166960K 2170 0 ifaddr 42 23K 31K 166960K 4311 0 ifgroup 50 2K 2K 166960K 4317 0 sysctl 4 1K 5K 166960K 26 0 counters 64 36K 36K 166960K 2192 0 ioctlops 0 0K 2K 166960K 3400 0 iov 0 0K 28K 166960K 7937 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 31382 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1740 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 687 0 dirhash 24 4K 5K 166960K 1920 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 26 97K 161K 166960K 86972 0 sigio 0 0K 0K 166960K 2735 0 proc 56 78K 176K 166960K 38585 0 subproc 117 7K 13K 166960K 15951 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 21922 0 in_multi 99 7K 8K 166960K 15535 0 ether_multi 1 0K 0K 166960K 603 0 mrt 2 0K 0K 166960K 34 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 28394 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 286 84K 138K 166960K 760941 0 UVM aobj 131 6K 8K 166960K 147 0 pinsyscall 47 94K 126K 166960K 117280 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 6542 0 NDP 11 0K 2K 166960K 3216 0 temp 79 6824K 6952K 166960K 632079 0 kqueue 13 20K 35K 166960K 14520 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 13401 0 13398 88 87 1 3 0 8 0 rtentry 112 12738 0 12623 20 16 4 4 0 8 0 unpcb 144 92188 0 92169 399 398 1 11 0 8 0 syncache 336 722 0 722 82 82 0 1 0 8 0 tcpqe 32 256 0 256 98 98 0 1 0 8 0 tcpcb 808 54018 0 54009 606 604 2 22 0 8 0 arp 120 2191 0 2172 1 0 1 1 0 8 0 ipq 40 461 0 458 6 5 1 1 0 8 0 ipqe 40 5476 0 5473 6 5 1 1 0 8 0 inpcb 336 134401 0 134388 778 774 4 21 0 8 2 ip6q 72 20 0 20 17 17 0 1 0 8 0 ip6af 40 39 0 39 17 17 0 1 0 8 0 nd6 136 4100 0 4072 17 16 1 2 0 8 0 kcovpl 48 1227 0 1218 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 52346 0 51861 294 263 31 34 0 8 0 art_table 32 52347 0 51861 22 18 4 5 0 8 0 art_node 16 12737 0 12632 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 2 2 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 684 0 674 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 1317 0 1279 37 31 6 6 0 8 1 dino2pl 256 116196 0 110466 362 3 359 359 0 8 0 ffsino 272 116196 0 110466 385 2 383 383 0 8 0 nchpl 144 217060 0 213853 121 1 120 120 0 8 0 uvmvnodes 80 12532 0 0 256 0 256 256 0 8 0 vnodes 216 12532 0 0 697 0 697 697 0 8 0 namei 1024 893334 0 893332 42 41 1 2 0 8 0 percpumem 16 1110 0 1064 1 0 1 1 0 8 0 kstatmem 264 2150 0 2128 4 2 2 2 0 8 0 scxspl 216 792668 0 792666 206 205 1 8 1 8 0 plimitpl 152 29651 0 29626 3 1 2 2 0 8 0 sigapl 424 85143 0 85086 21 13 8 9 0 8 0 futexpl 64 1082600 0 1082596 30 29 1 1 0 8 0 knotepl 120 3484 0 0 25 0 25 25 0 8 0 kqueuepl 216 32977 0 32967 272 271 1 9 0 8 0 pipepl 320 16619 0 16588 199 196 3 11 0 8 0 fdescpl 496 85124 0 85086 32 26 6 7 0 8 0 filepl 152 642186 0 641927 429 415 14 28 0 8 0 lockfpl 104 26022 0 26020 12 11 1 4 0 8 0 lockfspl 48 7329 0 7327 1 0 1 1 0 8 0 sessionpl 144 1421 0 1404 1 0 1 1 0 8 0 pgrppl 48 4714 0 4689 1 0 1 1 0 8 0 ucredpl 104 122034 0 122014 1 0 1 1 0 8 0 zombiepl 144 85087 0 85086 1 0 1 1 0 8 0 processpl 1160 85143 0 85086 15 10 5 6 0 8 0 procpl 648 206767 0 206699 20 13 7 8 0 8 0 srpgc 96 77 0 77 35 35 0 1 0 8 0 sosppl 168 1314 0 1314 58 57 1 1 0 8 1 sockpl 664 242268 0 242233 1229 1223 6 37 0 8 0 mcl64k 65536 50 0 0 4 1 3 3 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 42 0 0 6 4 2 5 0 8 0 mcl2k2 2112 28 0 0 2 1 1 2 0 8 0 mcl2k 2048 1435 0 0 33 13 20 28 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 6140 0 0 304 0 304 304 0 8 0 bufpl 280 146637 0 134105 896 0 896 896 0 8 0 anonpl 24 10975618 0 10957392 1057 918 139 164 0 185 0 amapchunkpl 152 2515753 0 2514868 769 727 42 59 0 158 0 amappl16 200 304886 0 304222 999 951 48 61 0 8 0 amappl15 192 65 0 65 23 23 0 1 0 8 0 amappl14 184 2969 0 2959 1 0 1 1 0 8 0 amappl13 176 103 0 103 51 51 0 1 0 8 0 amappl12 168 103078 0 103039 11 8 3 3 0 8 0 amappl11 160 58 0 47 1 0 1 1 0 8 0 amappl10 152 11 0 10 2 1 1 1 0 8 0 amappl9 144 135 0 134 2 1 1 1 0 8 0 amappl8 136 26 0 24 1 0 1 1 0 8 0 amappl7 128 2597 0 2586 1 0 1 1 0 8 0 amappl6 120 10797 0 10794 1 0 1 1 0 8 0 amappl5 112 4731 0 4721 1 0 1 1 0 8 0 amappl4 104 5296 0 5277 1 0 1 1 0 8 0 amappl3 96 447664 0 447547 9 5 4 4 0 8 0 amappl2 88 90803 0 90718 4 1 3 3 0 8 0 amappl1 80 426251 0 425695 34 20 14 16 0 8 0 amappl 88 744641 0 744409 13 6 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 72 146 0 16 3 0 3 3 0 8 0 uaddrrnd 24 85124 0 85086 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 85124 0 85086 1 0 1 1 0 8 0 vmmpekpl 168 730053 0 729979 7 3 4 5 0 8 0 vmmpepl 168 5560305 0 5557541 1043 888 155 206 0 357 10 vmsppl 440 85123 0 85086 10 5 5 6 0 8 0 rwobjpl 56 1368303 0 1354072 309 104 205 205 0 8 0 pdppl 4096 170255 0 170172 2357 2270 87 115 0 8 4 pvpl 32 46221 0 0 367 0 367 367 0 265 0 pmappl 248 85123 0 85086 17 14 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 5298 0 4090 36 0 36 36 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834b8ff0) 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(ffffffff8350bc58) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8350bc58) at __mp_lock+0x199 sys/kern/kern_lock.c:144 intr_handler(ffff80002a076af0,ffff80000004b700) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8350bc58) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8350bc58) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a076cc0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a076cc0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7221e9c24920, count: 6 ddb{0}> trace x86_ipi_db(ffffffff834b8ff0) 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(ffffffff8350bc58) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8350bc58) at __mp_lock+0x199 sys/kern/kern_lock.c:144 intr_handler(ffff80002a076af0,ffff80000004b700) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8350bc58) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8350bc58) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a076cc0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a076cc0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7221e9c24920, count: -9 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff800031e2e840) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80780ee6d0,ffff800031e2e8d8,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80780ee6d0,ffff80002a696000,107,0,1,f0ac05efaf947382,ffff800031e2ea00,fffffd80780ee6d0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800031e2ea00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805d35b6c0,ffff800031e2eb80,ffff800031e2ebb0,ffff800031e2eab0,ffff80002a696000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff7bf0,200002c0,ffffff9c,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800031e2ed30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800031e2ed30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc79bffcf1a0, count: 7 ddb{1}> trace fifo_write(ffff800031e2e840) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd80780ee6d0,ffff800031e2e8d8,8,fffffd807f7d3270) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd80780ee6d0,ffff80002a696000,107,0,1,f0ac05efaf947382,ffff800031e2ea00,fffffd80780ee6d0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800031e2ea00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805d35b6c0,ffff800031e2eb80,ffff800031e2ebb0,ffff800031e2eab0,ffff80002a696000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000ffff7bf0,200002c0,ffffff9c,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800031e2ed30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800031e2ed30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc79bffcf1a0, count: -8