uvm_fault(0xfffffd806ad61528, 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 89663 47205 0 0 0 0 syz-executor *216708 90634 0 0 0x4000000 1K syz-executor fifo_write(ffff800036fa53c0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8067508888,ffff800036fa5458,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8067508888,ffff800029fe7c00,fe,0,1,c75b5d029eee1ba8,ffff800036fa5580,fffffd8067508888,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800036fa5580) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806753e548,ffff800036fa5700,ffff800036fa5730,ffff800036fa5630,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800033999468,20000700,5,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800036fa58b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036fa58b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe7c86e2090, 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(0xfffffd806ad61528, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff800036fa53c0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8067508888,ffff800036fa5458,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8067508888,ffff800029fe7c00,fe,0,1,c75b5d029eee1ba8,ffff800036fa5580,fffffd8067508888,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800036fa5580) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806753e548,ffff800036fa5700,ffff800036fa5730,ffff800036fa5630,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800033999468,20000700,5,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800036fa58b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036fa58b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe7c86e2090, count: -8 ddb{1}> show registers rdi 0xfffffd8067508888 rsi 0x2112 __ALIGN_SIZE+0x1112 rbp 0xffff800036fa53b0 rbx 0xfffffd8067508888 rdx 0xffff800033b9a000 rcx 0x2111 __ALIGN_SIZE+0x1111 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0x28081cd7e9417451 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff800036fa5458 r14 0xffff800036fa53c0 r15 0x1 rip 0xffffffff814953de fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800036fa5380 ss 0 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=216708 pid=90634 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=59, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000339982b0,0xffff800033999c10 process=0xffff8000339944a8 user=0xffff800036fa0000, vmspace=0xfffffd806ad61528 estcpu=9, cpticks=2, pctcpu=0.0, user=1, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37807 145340 73726 0 2 0 syz-executor 42245 273410 4442 0 2 0 syz-executor 47205 89663 39228 0 7 0 syz-executor 47205 45460 39228 0 3 0x4000000 biowait syz-executor 78114 514307 63799 0 2 0 syz-executor 78114 191483 63799 0 3 0x4000080 fsleep syz-executor 78114 132535 63799 0 3 0x4000080 fsleep syz-executor 90634 258796 89864 0 2 0 syz-executor *90634 216708 89864 0 7 0x4000000 syz-executor 68983 432376 0 0 3 0x14200 bored sosplice 30217 146591 17401 0 2 0 syz-executor 30217 99128 17401 0 3 0x4000080 fsleep syz-executor 30217 40585 17401 0 3 0x4000080 fsleep syz-executor 63799 496781 88436 0 3 0x82 nanoslp syz-executor 89864 240997 88436 0 3 0x82 nanoslp syz-executor 50896 464637 88436 0 2 0x2 syz-executor 4442 449127 88436 0 3 0x82 nanoslp syz-executor 86178 95885 88436 0 3 0x2 biowait syz-executor 17401 135536 88436 0 3 0x82 nanoslp syz-executor 73726 77053 88436 0 3 0x82 nanoslp syz-executor 39228 443695 88436 0 3 0x82 nanoslp syz-executor 88436 262680 19436 0 3 0x82 kqread syz-executor 19436 455031 88548 0 3 0x10008a sigsusp ksh 88548 224177 47705 0 3 0x98 kqread sshd-session 47705 419562 84255 0 3 0x92 kqread sshd-session 81812 385759 1 0 3 0x100083 ttyin getty 84255 422324 1 0 3 0x88 kqread sshd 21955 79384 95564 74 3 0x1100092 bpf pflogd 95564 122859 1 0 3 0x80 sbwait pflogd 66483 60308 43055 73 3 0x1100090 kqread syslogd 43055 105000 1 0 3 0x100082 sbwait syslogd 14719 473817 1 0 3 0x100080 kqread resolvd 59595 474103 78445 77 3 0x100092 kqread dhcpleased 15433 97174 78445 77 3 0x100092 kqread dhcpleased 78445 267459 1 0 3 0x80 kqread dhcpleased 41910 205504 0 0 2 0x40014200 smr 84336 286647 0 0 2 0x14200 zerothread 79977 154796 0 0 3 0x14200 aiodoned aiodoned 10658 326112 0 0 3 0x14200 syncer update 84753 256958 0 0 3 0x14200 cleaner cleaner 60595 423857 0 0 3 0x14200 reaper reaper 16534 433817 0 0 3 0x14200 pgdaemon pagedaemon 98992 89207 0 0 3 0x14200 bored viomb 70528 7434 0 0 3 0x40014200 acpi0 acpi0 51116 335301 0 0 3 0x40014200 idle1 62954 149767 0 0 3 0x14200 bored softnet3 82704 329004 0 0 3 0x14200 bored softnet2 3503 11224 0 0 3 0x14200 bored softnet1 63916 461516 0 0 3 0x14200 bored softnet0 44117 261936 0 0 3 0x14200 bored systqmp 72392 387635 0 0 3 0x14200 bored systq 30687 461576 0 0 3 0x14200 tmoslp softclockmp 1422 82793 0 0 3 0x40014200 tmoslp softclock 62766 205219 0 0 3 0x40014200 idle0 1 457475 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 47205 (syz-executor) thread 0xffff8000ffff71d8 (45460) exclusive rrwlock inode r = 0 (0xfffffd806af42920) #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_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1728 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x102 sys/kern/vfs_vops.c:121 #10 domknodat+0x47e sys/kern/vfs_syscalls.c:1624 #11 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806af422c0) #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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1576 #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 90634 (syz-executor) thread 0xffff800033999468 (216708) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8361fe80) #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 getblk+0x197 sys/kern/vfs_bio.c:1025 #5 bread+0x47 bio_doread sys/kern/vfs_bio.c:430 [inline] #5 bread+0x47 sys/kern/vfs_bio.c:475 #6 ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 #7 ufs_inactive+0x2e2 sys/ufs/ufs/ufs_inode.c:95 #8 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #9 vput+0xe5 sys/kern/vfs_subr.c:779 #10 ufs_symlink+0xb5 sys/ufs/ufs/ufs_vnops.c:1301 #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 exclusive rrwlock inode r = 0 (0xfffffd806af423d0) #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 50896 (syz-executor) thread 0xffff8000ffff6f50 (464637) exclusive rrwlock inode r = 0 (0xfffffd806af425f0) #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 (0xfffffd806cf0b3c8) #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 86178 (syz-executor) thread 0xffff8000ffff7970 (95885) exclusive rrwlock inode r = 0 (0xfffffd806af42810) #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 (0xfffffd806c4f1f88) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10197 10220K 10228K 166960K 11289 0 pcb 51 17K 21K 166960K 141 0 rtable 236 6K 6K 166960K 350 0 pf 34 17K 21K 166960K 53 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1487 0 iov 0 0K 12K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1367 86K 86K 166960K 1431 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 177 0 proc 68 91K 140K 166960K 528 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 2 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 362 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 213 72K 73K 166960K 3207 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 41 82K 102K 166960K 1246 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 12 0K 1K 166960K 28 0 temp 35 6810K 6874K 166960K 4052 0 kqueue 14 22K 22K 166960K 26 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 34 0 31 1 0 1 1 0 8 0 rtentry 112 112 0 1 4 0 4 4 0 8 0 unpcb 144 55 0 36 1 0 1 1 0 8 0 syncache 336 3 0 3 2 1 1 1 0 8 1 tcpcb 808 80 0 76 7 0 7 7 0 8 6 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 336 289 0 247 18 0 18 18 0 8 13 nd6 136 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 21 0 0 1 0 1 1 0 8 0 pfstkey 128 21 0 0 1 0 1 1 0 8 0 pfstate 376 21 0 0 3 0 3 3 0 8 0 pfrule 1344 23 0 17 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 481 0 0 31 0 31 31 0 8 0 art_table 32 482 0 0 4 0 4 4 0 8 0 art_node 16 111 0 10 1 0 1 1 0 8 0 semapl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1646 0 137 95 0 95 95 0 8 0 ffsino 272 1646 0 137 101 0 101 101 0 8 0 nchpl 144 1903 0 220 63 0 63 63 0 8 0 uvmvnodes 80 1773 0 0 37 0 37 37 0 8 0 vnodes 216 1773 0 0 99 0 99 99 0 8 0 namei 1024 5904 0 5901 2 0 2 2 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 5726 0 5724 9 1 8 8 1 8 7 plimitpl 152 30 0 13 1 0 1 1 0 8 0 sigapl 424 476 0 427 8 1 7 7 0 8 1 futexpl 64 528 0 524 1 0 1 1 0 8 0 knotepl 120 57 0 0 2 0 2 2 0 8 0 kqueuepl 216 24 0 14 1 0 1 1 0 8 0 pipepl 320 109 0 81 3 0 3 3 0 8 0 fdescpl 496 457 0 427 5 0 5 5 0 8 0 filepl 152 2065 0 1715 21 0 21 21 0 8 5 lockfpl 104 14 0 12 1 0 1 1 0 8 0 lockfspl 48 8 0 6 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 188 0 175 1 0 1 1 0 8 0 zombiepl 144 427 0 427 1 0 1 1 0 8 1 processpl 1160 476 0 427 5 0 5 5 0 8 1 procpl 648 550 0 495 7 1 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sockpl 664 378 0 314 20 0 20 20 0 8 13 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 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 221 0 0 28 0 28 28 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 226 0 0 15 0 15 15 0 8 0 bufpl 280 2269 0 97 156 0 156 156 0 8 0 anonpl 24 179840 0 176673 25 3 22 25 0 185 0 amapchunkpl 152 11123 0 10699 23 0 23 23 0 158 2 amappl16 200 5133 0 5119 5 3 2 5 0 8 1 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 114 0 102 1 0 1 1 0 8 0 amappl13 176 21 0 21 1 1 0 1 0 8 0 amappl12 168 1105 0 1077 3 1 2 2 0 8 0 amappl11 160 64 0 50 1 0 1 1 0 8 0 amappl10 152 18 0 18 1 1 0 1 0 8 0 amappl9 144 147 0 147 1 1 0 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 120 0 107 1 0 1 1 0 8 0 amappl6 120 171 0 170 1 0 1 1 0 8 0 amappl5 112 140 0 129 1 0 1 1 0 8 0 amappl4 104 321 0 299 1 0 1 1 0 8 0 amappl3 96 1892 0 1808 3 0 3 3 0 8 0 amappl2 88 659 0 585 2 0 2 2 0 8 0 amappl1 80 7921 0 7337 15 1 14 15 0 8 1 amappl 88 2847 0 2695 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 457 0 427 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 457 0 427 1 0 1 1 0 8 0 vmmpekpl 168 5882 0 5850 2 0 2 2 0 8 0 vmmpepl 168 38493 0 36698 85 0 85 85 0 357 1 vmsppl 440 456 0 427 6 1 5 5 0 8 1 rwobjpl 56 18220 0 15537 39 0 39 39 0 8 0 pdppl 4096 921 0 854 99 28 71 85 0 8 4 pvpl 32 10410 0 0 87 2 85 85 0 265 1 pmappl 248 456 0 427 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 408 0 31 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83490ff0) 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(ffffffff8361fc78) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8361fc78) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002cf6eb60,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: 0x775c8650c190, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83490ff0) 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(ffffffff8361fc78) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8361fc78) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002cf6eb60,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: 0x775c8650c190, count: -6 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff800036fa53c0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8067508888,ffff800036fa5458,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8067508888,ffff800029fe7c00,fe,0,1,c75b5d029eee1ba8,ffff800036fa5580,fffffd8067508888,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800036fa5580) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806753e548,ffff800036fa5700,ffff800036fa5730,ffff800036fa5630,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800033999468,20000700,5,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800036fa58b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036fa58b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe7c86e2090, count: 7 ddb{1}> trace fifo_write(ffff800036fa53c0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8067508888,ffff800036fa5458,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8067508888,ffff800029fe7c00,fe,0,1,c75b5d029eee1ba8,ffff800036fa5580,fffffd8067508888,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800036fa5580) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806753e548,ffff800036fa5700,ffff800036fa5730,ffff800036fa5630,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800033999468,20000700,5,20000200) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800036fa58b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036fa58b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe7c86e2090, count: -8