uvm_fault(0xfffffd806fc49c20, 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 *264237 80325 32767 0x10 0x4000000 0K syz-executor 434274 26757 32767 0x10 0x4000000 1 syz-executor fifo_write(ffff800037165470) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807a1dd8b8,ffff800037165508,8,fffffd807f7d30d0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807a1dd8b8,ffff80002a075000,107,0,1,3711234b4331f4a6,ffff800037165630,fffffd807a1dd8b8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800037165630) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8067a3aa20,ffff8000371657b0,ffff8000371657e0,ffff8000371656e0,ffff80002a075000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371ca028,200002c0,ffffff9c,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800037165960) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037165960) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x20cde470cc0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806fc49c20, 0x8, 0, 1) -> e ddb{0}> trace fifo_write(ffff800037165470) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807a1dd8b8,ffff800037165508,8,fffffd807f7d30d0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807a1dd8b8,ffff80002a075000,107,0,1,3711234b4331f4a6,ffff800037165630,fffffd807a1dd8b8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800037165630) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8067a3aa20,ffff8000371657b0,ffff8000371657e0,ffff8000371656e0,ffff80002a075000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371ca028,200002c0,ffffff9c,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800037165960) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037165960) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x20cde470cc0, count: -8 ddb{0}> show registers rdi 0xfffffd807a1dd8b8 rsi 0x1 rbp 0xffff800037165460 rbx 0xfffffd807a1dd8b8 rdx 0 rcx 0xffff8000371ca028 rax 0 r8 0 r9 0x1 r10 0xffffffff8345fff0 cpu_info_full_primary+0x1ff0 r11 0x3b7115d29f267ded r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff800037165508 r14 0xffff800037165470 r15 0x1 rip 0xffffffff82ccd08e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800037165430 ss 0 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{0}> show proc PROC (syz-executor) tid=264237 pid=80325 tcnt=2 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=0xffff80002a1019a0,0xffffffff835ea760 process=0xffff80002c767678 user=0xffff800037160000, vmspace=0xfffffd806fc49c20 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80325 227364 65658 32767 2 0x10 syz-executor *80325 264237 65658 32767 7 0x4000010 syz-executor 26757 117121 98561 32767 2 0x10 syz-executor 26757 434274 98561 32767 7 0x4000010 syz-executor 70261 446963 88130 32767 2 0x10 syz-executor 70261 93593 88130 32767 3 0x4000090 fsleep syz-executor 70261 234537 88130 32767 3 0x4000090 pipewr syz-executor 87519 151679 11578 32767 2 0x10 syz-executor 87519 272055 11578 32767 3 0x4000090 sbwait syz-executor 87519 175060 11578 32767 3 0x4000090 fsleep syz-executor 10094 1841 32058 32767 2 0x490 syz-executor 10094 128530 32058 32767 3 0x4000090 fsleep syz-executor 10094 359498 32058 32767 3 0x4000090 kqsel syz-executor 10094 179438 32058 32767 3 0x4000090 fsleep syz-executor 70926 28140 65452 32767 3 0x90 nanoslp syz-executor 70926 299345 65452 32767 3 0x4000090 kqsel syz-executor 70926 74721 65452 32767 3 0x4000090 fsleep syz-executor 70926 176655 65452 32767 3 0x4000090 fsleep syz-executor 65658 430570 12846 32767 2 0x490 syz-executor 12846 11623 58765 0 3 0x82 wait syz-executor 32058 509740 70297 32767 3 0x90 nanoslp syz-executor 70297 291378 58765 0 3 0x82 wait syz-executor 65452 67003 81401 32767 2 0x490 syz-executor 81401 195082 58765 0 3 0x82 wait syz-executor 88130 231613 61725 32767 2 0x490 syz-executor 61725 129727 58765 0 3 0x82 wait syz-executor 869 479559 21485 32767 2 0x10 syz-executor 21485 407434 58765 0 3 0x82 wait syz-executor 98561 320842 53556 32767 3 0x90 nanoslp syz-executor 53556 268872 58765 0 3 0x82 wait syz-executor 11578 428088 88694 32767 3 0x90 nanoslp syz-executor 88694 417863 58765 0 3 0x82 wait syz-executor 42016 277572 31096 32767 2 0x10 syz-executor 31096 300596 58765 0 3 0x82 wait syz-executor 44054 634 54179 0 3 0x100082 sbwait arp 54179 430158 50397 0 3 0x10008a sigsusp sh 50397 40855 1 0 3 0x80 wait syz-executor 71021 501008 0 0 3 0x14200 bored sosplice 58765 397672 92317 0 3 0x82 kqread syz-executor 92317 403001 22353 0 3 0x10008a sigsusp ksh 22353 344784 15156 0 3 0x98 kqread sshd-session 15156 256570 73178 0 3 0x92 kqread sshd-session 11236 171923 1 0 3 0x100083 ttyin getty 73178 202434 1 0 3 0x88 kqread sshd 30446 231713 18354 73 3 0x1100090 kqread syslogd 18354 385816 1 0 3 0x100082 sbwait syslogd 64531 367116 1 0 3 0x100080 kqread resolvd 61060 505663 71756 77 3 0x100092 kqread dhcpleased 36584 185692 71756 77 3 0x100092 kqread dhcpleased 71756 516595 1 0 3 0x80 kqread dhcpleased 25236 168700 0 0 3 0x14200 bored smr 26099 491469 0 0 2 0x14200 zerothread 3115 74278 0 0 3 0x14200 aiodoned aiodoned 45674 160380 0 0 3 0x14200 syncer update 40684 276021 0 0 3 0x14200 cleaner cleaner 32363 335644 0 0 3 0x14200 reaper reaper 34658 25647 0 0 3 0x14200 pgdaemon pagedaemon 92455 66931 0 0 3 0x14200 bored viomb 14109 304502 0 0 3 0x40014200 acpi0 acpi0 61546 321635 0 0 3 0x40014200 idle1 78720 159828 0 0 3 0x14200 bored softnet3 57084 118117 0 0 3 0x14200 bored softnet2 62911 185068 0 0 3 0x14200 bored softnet1 82196 117887 0 0 3 0x14200 bored softnet0 49906 362552 0 0 3 0x14200 bored systqmp 47655 60141 0 0 3 0x14200 bored systq 91952 307578 0 0 3 0x14200 tmoslp softclockmp 20407 28396 0 0 2 0x40014200 softclock 5017 196369 0 0 3 0x40014200 idle0 1 463851 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 80325 (syz-executor) thread 0xffff8000371ca028 (264237) 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 (0xfffffd80658aa4d8) #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 869 (syz-executor) thread 0xffff80002a0ed228 (479559) exclusive rrwlock inode r = 0 (0xfffffd80796634e0) #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 (0xfffffd805fdebf88) #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 42016 (syz-executor) thread 0xffff80002c730aa0 (277572) exclusive rrwlock inode r = 0 (0xfffffd80775503c8) #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 (0xfffffd8074f50f80) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 10029K 10035K 166960K 13597 0 pcb 17 20K 22K 166960K 25 0 rtable 250 7K 7K 166960K 26822 0 pf 31 16K 16K 166960K 1571 0 ifaddr 42 15K 18K 166960K 3107 0 ifgroup 50 2K 2K 166960K 3118 0 sysctl 4 1K 5K 166960K 28 0 counters 64 36K 36K 166960K 1592 0 ioctlops 0 0K 2K 166960K 2003 0 iov 0 0K 34K 166960K 5206 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 21580 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 917 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 2216 0 dirhash 27 5K 6K 166960K 1083 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 27 101K 169K 166960K 51242 0 sigio 0 0K 0K 166960K 1444 0 proc 56 78K 176K 166960K 26642 0 subproc 117 7K 13K 166960K 11960 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 12012 0 in_multi 99 7K 8K 166960K 10734 0 ether_multi 1 0K 0K 166960K 394 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 289 1288K 1288K 166960K 289 0 exec 0 0K 1K 166960K 18815 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 292 84K 166K 166960K 438625 0 UVM aobj 131 7K 7K 166960K 147 0 pinsyscall 49 98K 134K 166960K 73070 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3492 0 NDP 11 0K 2K 166960K 2314 0 temp 80 6824K 6952K 166960K 330618 0 kqueue 16 26K 43K 166960K 7973 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 8215 0 8211 54 51 3 3 0 8 2 rtentry 112 9064 0 8946 11 7 4 4 0 8 0 unpcb 144 50223 0 50205 238 234 4 16 0 8 2 syncache 336 397 0 397 52 51 1 1 0 8 1 tcpqe 32 120 0 120 49 48 1 1 0 8 1 tcpcb 808 29710 0 29693 386 380 6 18 0 8 4 arp 120 1577 0 1558 1 0 1 1 0 8 0 ipq 40 230 0 226 6 5 1 1 0 8 0 ipqe 40 1925 0 1920 6 5 1 1 0 8 0 inpcb 336 75296 0 75272 482 472 10 24 0 8 6 ip6q 72 19 0 19 19 19 0 1 0 8 0 ip6af 40 38 0 38 19 19 0 1 0 8 0 nd6 136 2844 0 2813 7 5 2 2 0 8 0 kcovpl 48 920 0 911 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 37358 0 36866 245 213 32 35 0 8 0 art_table 32 37359 0 36866 11 6 5 5 0 8 0 art_node 16 9063 0 8955 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 2212 0 2202 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 746 0 711 11 6 5 5 0 8 0 dino2pl 256 66465 0 62127 272 0 272 272 0 8 0 ffsino 272 66465 0 62127 292 2 290 290 0 8 0 nchpl 144 122577 0 119393 119 0 119 119 0 8 0 uvmvnodes 80 11399 0 0 233 0 233 233 0 8 0 vnodes 216 11399 0 0 634 0 634 634 0 8 0 namei 1024 525417 0 525415 60 59 1 3 0 8 0 percpumem 16 810 0 764 1 0 1 1 0 8 0 kstatmem 264 1550 0 1528 2 0 2 2 0 8 0 scxspl 216 499300 0 499300 130 127 3 8 1 8 3 plimitpl 152 17487 0 17462 3 1 2 2 0 8 0 sigapl 424 49894 0 49836 28 20 8 9 0 8 0 futexpl 64 602241 0 602235 35 34 1 1 0 8 0 knotepl 120 2302 0 0 28 3 25 25 0 8 0 kqueuepl 216 18319 0 18304 168 163 5 9 0 8 3 pipepl 320 10465 0 10434 132 124 8 11 0 8 4 fdescpl 496 49875 0 49836 19 13 6 8 0 8 0 filepl 152 364971 0 364696 231 213 18 27 0 8 2 lockfpl 104 15756 0 15754 13 12 1 3 0 8 0 lockfspl 48 4197 0 4195 1 0 1 1 0 8 0 sessionpl 144 986 0 969 1 0 1 1 0 8 0 pgrppl 48 3209 0 3184 1 0 1 1 0 8 0 ucredpl 104 71205 0 71186 1 0 1 1 0 8 0 zombiepl 144 49836 0 49836 1 0 1 1 0 8 1 processpl 1160 49894 0 49836 14 8 6 6 0 8 0 procpl 648 117434 0 117364 17 10 7 8 0 8 0 srpgc 96 37 0 37 18 18 0 1 0 8 0 sosppl 168 661 0 661 44 43 1 1 0 8 1 sockpl 664 135062 0 135016 732 719 13 40 0 8 7 mcl64k 65536 59 0 0 6 3 3 3 0 8 0 mcl16k 16384 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 961 0 0 29 9 20 28 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 7015 0 0 327 0 327 327 0 8 0 bufpl 280 83118 0 71718 816 1 815 815 0 8 0 anonpl 24 6511438 0 6499682 631 530 101 126 0 185 3 amapchunkpl 152 1464946 0 1464086 437 393 44 55 0 158 4 amappl16 200 174113 0 173817 766 734 32 44 0 8 8 amappl15 192 19 0 19 8 8 0 1 0 8 0 amappl14 184 2054 0 2043 1 0 1 1 0 8 0 amappl13 176 43 0 43 26 26 0 1 0 8 0 amappl12 168 62967 0 62926 10 7 3 3 0 8 0 amappl11 160 55 0 43 1 0 1 1 0 8 0 amappl10 152 19 0 18 2 1 1 1 0 8 0 amappl9 144 141 0 140 3 2 1 1 0 8 0 amappl8 136 31 0 29 1 0 1 1 0 8 0 amappl7 128 1834 0 1822 1 0 1 1 0 8 0 amappl6 120 7789 0 7786 1 0 1 1 0 8 0 amappl5 112 3389 0 3379 1 0 1 1 0 8 0 amappl4 104 3619 0 3599 1 0 1 1 0 8 0 amappl3 96 255759 0 255637 8 4 4 4 0 8 0 amappl2 88 53501 0 53413 3 0 3 3 0 8 0 amappl1 80 263016 0 262423 22 6 16 16 0 8 1 amappl 88 427977 0 427743 9 2 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 49875 0 49836 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 49875 0 49836 1 0 1 1 0 8 0 vmmpekpl 168 449984 0 449939 10 6 4 5 0 8 0 vmmpepl 168 3161405 0 3158955 583 451 132 138 0 357 7 vmsppl 440 49874 0 49836 15 10 5 7 0 8 0 rwobjpl 56 816056 0 803264 259 73 186 187 0 8 0 pdppl 4096 99757 0 99672 1894 1805 89 123 0 8 4 pvpl 32 45663 0 0 369 2 367 367 0 265 0 pmappl 248 49874 0 49836 10 7 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4066 0 3002 31 0 31 31 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace fifo_write(ffff800037165470) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807a1dd8b8,ffff800037165508,8,fffffd807f7d30d0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807a1dd8b8,ffff80002a075000,107,0,1,3711234b4331f4a6,ffff800037165630,fffffd807a1dd8b8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800037165630) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8067a3aa20,ffff8000371657b0,ffff8000371657e0,ffff8000371656e0,ffff80002a075000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371ca028,200002c0,ffffff9c,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800037165960) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037165960) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x20cde470cc0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec7f8) at __mp_lock+0x19e sys/kern/kern_lock.c:144 vn_closefile(fffffd804b851b48,ffff80002a1002d8) at vn_closefile+0x41 sys/kern/vfs_vnops.c:602 fdrop(fffffd804b851b48,ffff80002a1002d8) at fdrop+0x126 sys/kern/kern_descrip.c:1274 closef(fffffd804b851b48,ffff80002a1002d8) at closef+0x192 sys/kern/kern_descrip.c:1258 syscall(ffff80002cda1a30) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002cda1a30) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a2a2c38e10, count: 6 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec7f8) at __mp_lock+0x19e sys/kern/kern_lock.c:144 vn_closefile(fffffd804b851b48,ffff80002a1002d8) at vn_closefile+0x41 sys/kern/vfs_vnops.c:602 fdrop(fffffd804b851b48,ffff80002a1002d8) at fdrop+0x126 sys/kern/kern_descrip.c:1274 closef(fffffd804b851b48,ffff80002a1002d8) at closef+0x192 sys/kern/kern_descrip.c:1258 syscall(ffff80002cda1a30) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002cda1a30) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a2a2c38e10, count: -9