uvm_fault(0xfffffd806b7faa50, 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 *470283 51863 0 0 0x4000000 0 syz-executor 155548 38422 0 0x2 0 1 syz-executor fifo_write(ffff8000371cd990) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd806c75b6f0,ffff8000371cda28,8,fffffd807f7d3340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd806c75b6f0,ffff800029fe6400,f7,0,1,6ea4272a97a870a0,ffff8000371cdb50,fffffd806c75b6f0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371cdb50) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80697c1b10,ffff8000371cdcd0,ffff8000371cdd00,ffff8000371cdc00,ffff800029fe6400) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a03f1d8,200001c0,3,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371cde80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371cde80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe8a28e8b480, 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(0xfffffd806b7faa50, 0x8, 0, 1) -> e ddb{0}> trace fifo_write(ffff8000371cd990) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd806c75b6f0,ffff8000371cda28,8,fffffd807f7d3340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd806c75b6f0,ffff800029fe6400,f7,0,1,6ea4272a97a870a0,ffff8000371cdb50,fffffd806c75b6f0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371cdb50) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80697c1b10,ffff8000371cdcd0,ffff8000371cdd00,ffff8000371cdc00,ffff800029fe6400) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a03f1d8,200001c0,3,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371cde80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371cde80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe8a28e8b480, count: -8 ddb{0}> show registers rdi 0xfffffd806c75b6f0 rsi 0x227c __ALIGN_SIZE+0x127c rbp 0xffff8000371cd980 rbx 0xfffffd806c75b6f0 rdx 0xffff800031b87000 rcx 0x227b __ALIGN_SIZE+0x127b rax 0 r8 0 r9 0x1 r10 0xffffffff83440ff0 cpu_info_full_primary+0x1ff0 r11 0xf64462693f90077d r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff8000371cda28 r14 0xffff8000371cd990 r15 0x1 rip 0xffffffff822405ce fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000371cd950 ss 0x10 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{0}> show proc PROC (syz-executor) tid=470283 pid=51863 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a03e530,0xffff80002a03f6f8 process=0xffff800029feb668 user=0xffff8000371c8000, vmspace=0xfffffd806b7faa50 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 60910 359454 15961 0 2 0 syz-executor 9262 194731 14157 0 3 0x3000 suspend syz-executor 9262 114130 14157 0 2 0x4081000 syz-executor 74993 474205 65555 0 2 0 syz-executor 74993 507306 65555 0 3 0x4000000 biowait syz-executor 65022 51200 67197 0 2 0 syz-executor 65022 387583 67197 0 3 0x4000080 fsleep syz-executor 90216 448179 87756 0 2 0 syz-executor 90216 444970 87756 0 3 0x4000080 fsleep syz-executor 75353 69252 38422 0 2 0 syz-executor 75353 396334 38422 0 3 0x4000080 kqsel syz-executor 75353 415133 38422 0 3 0x4000080 fsleep syz-executor 51863 330823 21856 0 2 0 syz-executor *51863 470283 21856 0 7 0x4000000 syz-executor 14157 517309 53121 0 3 0x82 nanoslp syz-executor 15961 287760 53121 0 2 0x482 syz-executor 91396 131052 53121 0 2 0x2 syz-executor 21856 450021 53121 0 3 0x82 nanoslp syz-executor 38422 155548 53121 0 7 0x2 syz-executor 67197 451713 53121 0 2 0x482 syz-executor 65555 424414 53121 0 2 0x482 syz-executor 87756 6641 53121 0 3 0x82 nanoslp syz-executor 78966 407764 0 0 3 0x14200 bored sosplice 53121 159550 36635 0 3 0x82 kqread syz-executor 36635 249060 3833 0 3 0x10008a sigsusp ksh 3833 518048 97599 0 3 0x98 kqread sshd-session 97599 120500 38290 0 3 0x92 kqread sshd-session 57343 511073 1 0 3 0x100083 ttyin getty 38290 468322 1 0 3 0x88 kqread sshd 11749 124370 99303 74 3 0x1100092 bpf pflogd 99303 13613 1 0 3 0x80 sbwait pflogd 7069 226582 29944 73 2 0x1100010 syslogd 29944 146031 1 0 3 0x100082 sbwait syslogd 5252 484344 1 0 3 0x100080 kqread resolvd 94217 174687 72900 77 3 0x100092 kqread dhcpleased 68686 478316 72900 77 3 0x100092 kqread dhcpleased 72900 17910 1 0 3 0x80 kqread dhcpleased 94421 30339 0 0 3 0x14200 bored smr 82803 369310 0 0 2 0x14200 zerothread 2466 3756 0 0 3 0x14200 aiodoned aiodoned 91005 115191 0 0 3 0x14200 syncer update 23600 314485 0 0 3 0x14200 cleaner cleaner 36892 317183 0 0 3 0x14200 reaper reaper 27458 269554 0 0 3 0x14200 pgdaemon pagedaemon 74571 88494 0 0 3 0x14200 bored viomb 65567 198732 0 0 3 0x40014200 acpi0 acpi0 69636 166654 0 0 3 0x40014200 idle1 61298 442299 0 0 3 0x14200 bored softnet3 54736 387349 0 0 3 0x14200 bored softnet2 29244 436670 0 0 3 0x14200 bored softnet1 59239 135200 0 0 3 0x14200 bored softnet0 89271 111030 0 0 3 0x14200 bored systqmp 80051 319966 0 0 3 0x14200 bored systq 14255 485786 0 0 3 0x14200 tmoslp softclockmp 86756 297924 0 0 2 0x40014200 softclock 34620 339949 0 0 3 0x40014200 idle0 1 374916 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 74993 (syz-executor) thread 0xffff80002a0407b0 (507306) exclusive rrwlock inode r = 0 (0xfffffd8073c474e8) #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 (0xfffffd8073c47c58) #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 51863 (syz-executor) thread 0xffff80002a03f1d8 (470283) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835f27c8) #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 (0xfffffd8073c470a8) #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 91396 (syz-executor) thread 0xffff80002ef7d468 (131052) exclusive rrwlock inode r = 0 (0xfffffd8073c47d68) #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 (0xfffffd8073c47e78) #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 7069 (syslogd) thread 0xffff8000ffffd6d8 (226582) exclusive rrwlock inode r = 0 (0xfffffd806e4a3700) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 10171K 10423K 166960K 11568 0 pcb 17 12K 12K 166960K 46 0 rtable 238 6K 6K 166960K 605 0 pf 36 18K 18K 166960K 63 0 ifaddr 43 7K 7K 166960K 80 0 ifgroup 58 2K 2K 166960K 90 0 counters 64 36K 36K 166960K 80 0 ioctlops 0 0K 4K 166960K 1497 0 iov 0 0K 16K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1375 86K 87K 166960K 1666 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 97K 166960K 453 0 sigio 0 0K 0K 166960K 1 0 proc 70 91K 140K 166960K 768 0 subproc 104 6K 6K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 20 0 in_multi 99 7K 7K 166960K 196 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 489 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 225 72K 76K 166960K 5271 0 UVM aobj 7 2K 2K 166960K 7 0 pinsyscall 42 84K 106K 166960K 1765 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 6 0 NDP 12 0K 2K 166960K 53 0 temp 40 6815K 6879K 166960K 7082 0 kqueue 13 20K 24K 166960K 38 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 66 0 63 1 0 1 1 0 8 0 rtentry 112 203 0 91 4 0 4 4 0 8 0 unpcb 144 161 0 142 2 0 2 2 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 36 0 30 1 0 1 1 0 8 0 arp 120 35 0 17 1 0 1 1 0 8 0 inpcb 336 347 0 334 7 0 7 7 0 8 5 nd6 136 50 0 24 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 17 0 16 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfstitem 24 43 0 4 1 0 1 1 0 8 0 pfstkey 128 43 0 4 2 0 2 2 0 8 0 pfstate 376 42 0 4 4 0 4 4 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 812 0 353 29 0 29 29 0 8 0 art_table 32 813 0 353 4 0 4 4 0 8 0 art_node 16 202 0 100 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1958 0 436 96 0 96 96 0 8 0 ffsino 272 1958 0 436 102 0 102 102 0 8 0 nchpl 144 2448 0 753 64 0 64 64 0 8 0 uvmvnodes 80 2250 0 0 46 0 46 46 0 8 0 vnodes 216 2250 0 0 125 0 125 125 0 8 0 namei 1024 8324 0 8322 2 1 1 1 0 8 0 percpumem 16 54 0 8 1 0 1 1 0 8 0 kstatmem 264 40 0 16 2 0 2 2 0 8 0 scxspl 216 10503 0 10502 3 2 1 2 1 8 0 plimitpl 152 66 0 48 1 0 1 1 0 8 0 sigapl 424 746 0 696 7 1 6 7 0 8 0 futexpl 64 2630 0 2627 2 1 1 1 0 8 0 knotepl 120 554 0 0 17 0 17 17 0 8 0 kqueuepl 216 48 0 38 1 0 1 1 0 8 0 pipepl 320 148 0 121 3 0 3 3 0 8 0 fdescpl 496 727 0 696 8 3 5 6 0 8 0 filepl 152 3048 0 2796 15 1 14 14 0 8 4 lockfpl 104 62 0 60 1 0 1 1 0 8 0 lockfspl 48 31 0 29 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 47 0 30 1 0 1 1 0 8 0 ucredpl 104 542 0 529 1 0 1 1 0 8 0 zombiepl 144 697 0 696 1 0 1 1 0 8 0 processpl 1160 746 0 696 5 1 4 5 0 8 0 procpl 648 1060 0 1003 6 0 6 6 0 8 0 srpgc 96 8 0 8 1 0 1 1 0 8 1 sosppl 168 2 0 2 2 1 1 1 0 8 1 sockpl 664 577 0 543 9 0 9 9 0 8 5 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 213 0 0 27 0 27 27 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 301 0 0 18 0 18 18 0 8 0 bufpl 280 5040 0 98 353 0 353 353 0 8 0 anonpl 24 167614 0 164221 54 0 54 54 0 185 25 amapchunkpl 152 16525 0 16066 33 0 33 33 0 158 13 amappl16 200 4051 0 4025 20 6 14 14 0 8 10 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 137 0 125 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 1514 0 1484 4 1 3 3 0 8 1 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 10 0 10 1 1 0 1 0 8 0 amappl9 144 164 0 164 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 126 0 114 1 0 1 1 0 8 0 amappl6 120 252 0 251 1 0 1 1 0 8 0 amappl5 112 186 0 174 1 0 1 1 0 8 0 amappl4 104 347 0 328 1 0 1 1 0 8 0 amappl3 96 3080 0 2989 3 0 3 3 0 8 0 amappl2 88 973 0 894 2 0 2 2 0 8 0 amappl1 80 9600 0 9009 15 0 15 15 0 8 1 amappl 88 4825 0 4662 5 0 5 5 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 727 0 696 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 727 0 696 1 0 1 1 0 8 0 vmmpekpl 168 8041 0 7991 3 0 3 3 0 8 0 vmmpepl 168 53090 0 51205 96 0 96 96 0 357 11 vmsppl 440 726 0 696 6 2 4 5 0 8 0 rwobjpl 56 21059 0 17871 48 1 47 47 0 8 2 pdppl 4096 1461 0 1392 113 42 71 87 0 8 2 pvpl 32 28021 0 0 227 1 226 226 0 265 0 pmappl 248 726 0 696 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 406 0 46 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace fifo_write(ffff8000371cd990) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd806c75b6f0,ffff8000371cda28,8,fffffd807f7d3340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd806c75b6f0,ffff800029fe6400,f7,0,1,6ea4272a97a870a0,ffff8000371cdb50,fffffd806c75b6f0,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371cdb50) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd80697c1b10,ffff8000371cdcd0,ffff8000371cdd00,ffff8000371cdc00,ffff800029fe6400) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80002a03f1d8,200001c0,3,20000040) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371cde80) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371cde80) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe8a28e8b480, count: -8 ddb{0}> machine ddbcpu 1