uvm_fault(0xfffffd806c391dd8, 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 153776 30208 0 0 0 0 syz-executor *167101 13107 0 0 0x4000000 1K syz-executor fifo_write(ffff8000371a6210) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807559f630,ffff8000371a62a8,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807559f630,ffff800029fe6c00,103,0,1,36ed62e57c03c19f,ffff8000371a63d0,fffffd807559f630,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371a63d0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806820e980,ffff8000371a6550,ffff8000371a6580,ffff8000371a6480,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371b2cd0,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371a6700) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371a6700) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9dba03597d0, 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(0xfffffd806c391dd8, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff8000371a6210) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807559f630,ffff8000371a62a8,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807559f630,ffff800029fe6c00,103,0,1,36ed62e57c03c19f,ffff8000371a63d0,fffffd807559f630,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371a63d0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806820e980,ffff8000371a6550,ffff8000371a6580,ffff8000371a6480,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371b2cd0,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371a6700) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371a6700) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9dba03597d0, count: -8 ddb{1}> show registers rdi 0xfffffd807559f630 rsi 0x29a3 __ALIGN_SIZE+0x19a3 rbp 0xffff8000371a6200 rbx 0xfffffd807559f630 rdx 0xffff80002a76d000 rcx 0x29a2 __ALIGN_SIZE+0x19a2 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0xaaaf8183943abcde r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff8000371a62a8 r14 0xffff8000371a6210 r15 0x1 rip 0xffffffff82aa47be fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000371a61d0 ss 0x10 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=167101 pid=13107 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=83, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff2cc8,0xffff8000ffff2540 process=0xffff8000371d2448 user=0xffff8000371a1000, vmspace=0xfffffd806c391dd8 estcpu=33, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30208 153776 85759 0 7 0 syz-executor 74496 159781 25983 0 2 0x2 ifconfig 25983 147739 64276 0 3 0x10008a sigsusp sh 68192 506286 99420 0 2 0 syz-executor 68192 317475 99420 0 2 0x4000480 syz-executor 13107 188090 60564 0 2 0 syz-executor *13107 167101 60564 0 7 0x4000000 syz-executor 13107 140265 60564 0 3 0x4000080 fsleep syz-executor 64276 310382 91558 0 3 0x82 wait syz-executor 99420 204702 91558 0 2 0x482 syz-executor 41983 285717 91558 0 2 0x482 syz-executor 10923 192315 91558 0 3 0x2 biowait syz-executor 62544 345957 91558 0 3 0x82 wait syz-executor 60564 409410 91558 0 2 0x482 syz-executor 85759 425145 91558 0 3 0x82 nanoslp syz-executor 68619 201642 91558 0 3 0x2 getblk syz-executor 78335 194212 0 0 3 0x14280 nfsidl nfsio 26376 199904 0 0 3 0x14280 nfsidl nfsio 74518 77615 0 0 3 0x14280 nfsidl nfsio 96967 323283 0 0 3 0x14280 nfsidl nfsio 59832 171631 0 0 3 0x14280 nfsidl nfsio 73800 171910 0 0 3 0x14280 nfsidl nfsio 40363 3845 0 0 3 0x14280 nfsidl nfsio 62062 18969 0 0 3 0x14280 nfsidl nfsio 30139 324537 0 0 3 0x14280 nfsidl nfsio 37814 15469 0 0 3 0x14280 nfsidl nfsio 30125 99129 0 0 3 0x14280 nfsidl nfsio 88129 125725 0 0 3 0x14280 nfsidl nfsio 3939 59057 0 0 3 0x14280 nfsidl nfsio 38601 370156 0 0 3 0x14280 nfsidl nfsio 65756 210016 0 0 3 0x14280 nfsidl nfsio 73579 517519 0 0 3 0x14280 nfsidl nfsio 10394 512438 0 0 3 0x14280 nfsidl nfsio 88707 479704 0 0 3 0x14280 nfsidl nfsio 11912 29458 0 0 3 0x14280 nfsidl nfsio 34886 189515 0 0 3 0x14280 nfsidl nfsio 46405 145533 0 0 3 0x14200 acct acct 83279 231462 0 0 3 0x14200 bored sosplice 91558 9530 86893 0 2 0x2 syz-executor 86893 249639 95026 0 3 0x10008a sigsusp ksh 95026 13185 50295 0 3 0x98 kqread sshd-session 50295 256227 67305 0 3 0x92 kqread sshd-session 22288 169179 1 0 3 0x100083 ttyin getty 67305 486654 1 0 3 0x88 kqread sshd 85346 431654 36799 74 3 0x1100092 bpf pflogd 36799 169427 1 0 3 0x80 sbwait pflogd 25579 33230 55712 73 3 0x1100090 kqread syslogd 55712 290362 1 0 3 0x100082 sbwait syslogd 82065 404998 1 0 3 0x100080 kqread resolvd 62659 347255 74205 77 3 0x100092 kqread dhcpleased 4836 290955 74205 77 3 0x100092 kqread dhcpleased 74205 349737 1 0 3 0x80 kqread dhcpleased 17368 21230 0 0 3 0x14200 bored smr 62523 270310 0 0 2 0x14200 zerothread 83915 28655 0 0 3 0x14200 aiodoned aiodoned 93425 206025 0 0 3 0x14200 syncer update 72327 53350 0 0 3 0x14200 cleaner cleaner 68137 237465 0 0 3 0x14200 reaper reaper 57150 279104 0 0 3 0x14200 pgdaemon pagedaemon 74148 62265 0 0 3 0x14200 bored viomb 22894 360302 0 0 3 0x40014200 acpi0 acpi0 69367 14684 0 0 3 0x40014200 idle1 1304 48302 0 0 3 0x14200 bored softnet3 78296 524162 0 0 3 0x14200 bored softnet2 95078 220037 0 0 3 0x14200 bored softnet1 43962 362595 0 0 2 0x14200 softnet0 77830 20351 0 0 3 0x14200 bored systqmp 49393 311365 0 0 3 0x14200 bored systq 31303 135463 0 0 3 0x14200 tmoslp softclockmp 31582 66603 0 0 3 0x40014200 tmoslp softclock 85343 40671 0 0 3 0x40014200 idle0 1 408187 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 30208 (syz-executor) thread 0xffff8000ffff3970 (153776) exclusive rwlock amaplk r = 0 (0xfffffd805a4cfe88) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvm_fault_check+0x521 sys/uvm/uvm_fault.c:782 #2 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c391478) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 13107 (syz-executor) thread 0xffff8000371b2cd0 (167101) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835f9448) #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 (0xfffffd8071f413d8) #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 10923 (syz-executor) thread 0xffff800029fd9448 (192315) exclusive rrwlock inode r = 0 (0xfffffd8071f412c8) #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 (0xfffffd80609455f8) #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 68619 (syz-executor) thread 0xffff8000371b2028 (201642) exclusive rrwlock inode r = 0 (0xfffffd8071f41e78) #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 (0xfffffd8058d0cb40) #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 10218 10239K 10498K 166960K 12710 0 pcb 17 15K 16K 166960K 239 0 rtable 213 17K 18K 166960K 2041 0 pf 43 19K 27K 166960K 301 0 ifaddr 40 7K 8K 166960K 275 0 ifgroup 59 2K 2K 166960K 312 0 sysctl 3 1K 1K 166960K 5 0 counters 66 36K 36K 166960K 200 0 ioctlops 0 0K 4K 166960K 1695 0 iov 0 0K 24K 166960K 73 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 93K 166960K 2892 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 14K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 16 10K 10K 166960K 89 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 89K 166960K 1816 0 sigio 0 0K 0K 166960K 22 0 proc 71 91K 140K 166960K 2071 0 subproc 104 6K 7K 166960K 793 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 209 0 in_multi 84 6K 7K 166960K 686 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 175 784K 784K 166960K 175 0 exec 0 0K 1K 166960K 1159 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 216 72K 95K 166960K 15182 0 UVM aobj 88 3K 3K 166960K 88 0 pinsyscall 42 84K 104K 166960K 4236 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 41 0 NDP 13 0K 2K 166960K 199 0 temp 59 6819K 6945K 166960K 413266 0 kqueue 14 22K 32K 166960K 185 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 120 186 0 183 1 0 1 1 0 8 0 rtentry 112 700 0 611 4 1 3 4 0 8 0 unpcb 144 686 0 668 5 3 2 2 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 808 387 0 383 17 16 1 11 0 8 0 arp 120 126 0 110 1 0 1 1 0 8 0 inpcb 336 1367 0 1359 21 19 2 9 0 8 1 nd6 136 181 0 160 1 0 1 1 0 8 0 pkpcb 40 9 0 9 4 3 1 1 0 8 1 kcovpl 48 61 0 53 1 0 1 1 0 8 0 ppxss 1168 10 0 10 3 3 0 1 0 8 0 pffrag 232 7 0 6 2 1 1 1 0 482 0 pffrnode 88 7 0 6 2 1 1 1 0 8 0 pffrent 40 11 0 10 2 1 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 pfrktable 1344 26 0 21 1 0 1 1 0 8 0 pfanchor 1288 7 0 4 1 0 1 1 0 8 0 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 62 0 60 1 0 1 1 0 8 0 pfstkey 128 70 0 66 2 0 2 2 0 8 0 pfstate 376 68 0 66 4 3 1 4 0 8 0 pfrule 1344 85 0 35 5 0 5 5 0 8 0 art_heap8 4096 5 0 1 4 0 4 4 0 8 0 art_heap4 256 2745 0 2374 34 7 27 29 0 8 3 art_table 32 2750 0 2375 4 0 4 4 0 8 0 art_node 16 694 0 615 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 85 0 71 1 0 1 1 0 8 0 shmpl 112 85 0 0 3 0 3 3 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 3295 0 1686 101 0 101 101 0 8 0 ffsino 272 3295 0 1686 108 0 108 108 0 8 0 nchpl 144 4813 0 3051 66 0 66 66 0 8 0 uvmvnodes 80 4623 0 0 95 0 95 95 0 8 0 vnodes 216 4623 0 0 257 0 257 257 0 8 0 namei 1024 21420 0 21418 4 3 1 1 0 8 0 percpumem 16 114 0 67 1 0 1 1 0 8 0 pfiaddrpl 120 8 0 5 1 0 1 1 0 8 0 kstatmem 264 160 0 134 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 39431 0 39430 11 10 1 8 1 8 0 plimitpl 152 254 0 235 1 0 1 1 0 8 0 sigapl 424 2030 0 1959 10 1 9 9 0 8 0 futexpl 64 14281 0 14280 5 4 1 1 0 8 0 knotepl 120 621 0 0 17 0 17 17 0 8 0 kqueuepl 216 524 0 514 14 13 1 8 0 8 0 pipepl 320 336 0 307 3 0 3 3 0 8 0 fdescpl 496 1990 0 1959 7 2 5 5 0 8 0 filepl 152 10096 0 9842 27 16 11 16 0 8 0 lockfpl 104 445 0 443 1 0 1 1 0 8 0 lockfspl 48 139 0 137 1 0 1 1 0 8 0 sessionpl 144 75 0 66 1 0 1 1 0 8 0 pgrppl 48 143 0 126 1 0 1 1 0 8 0 ucredpl 104 1547 0 1533 1 0 1 1 0 8 0 zombiepl 144 1961 0 1959 1 0 1 1 0 8 0 processpl 1160 2030 0 1959 7 1 6 6 0 8 0 procpl 648 3550 0 3476 8 1 7 8 0 8 0 srpgc 96 15 0 15 5 5 0 1 0 8 0 sosppl 168 7 0 7 2 2 0 1 0 8 0 sockpl 664 2260 0 2231 25 21 4 11 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 243 0 0 30 0 30 30 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 427 0 0 23 0 23 23 0 8 0 bufpl 280 9314 0 2170 511 0 511 511 0 8 0 anonpl 24 322841 0 319426 107 38 69 81 0 185 32 amapchunkpl 152 48852 0 48424 52 24 28 43 0 158 8 amappl16 200 5958 0 5943 43 31 12 26 0 8 9 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 220 0 208 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 3463 0 3433 3 1 2 2 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 34 0 33 2 1 1 1 0 8 0 amappl9 144 148 0 147 1 0 1 1 0 8 0 amappl8 136 20 0 18 1 0 1 1 0 8 0 amappl7 128 213 0 200 1 0 1 1 0 8 0 amappl6 120 688 0 684 1 0 1 1 0 8 0 amappl5 112 363 0 350 1 0 1 1 0 8 0 amappl4 104 475 0 455 1 0 1 1 0 8 0 amappl3 96 9508 0 9407 4 0 4 4 0 8 0 amappl2 88 1348 0 1282 2 0 2 2 0 8 0 amappl1 80 15826 0 15238 15 1 14 14 0 8 1 amappl 88 14399 0 14245 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 87 0 0 2 0 2 2 0 8 0 uaddrrnd 24 1990 0 1959 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1990 0 1959 1 0 1 1 0 8 0 vmmpekpl 168 17222 0 17165 4 0 4 4 0 8 0 vmmpepl 168 126659 0 124858 114 20 94 95 0 357 9 vmsppl 440 1989 0 1959 7 3 4 5 0 8 0 rwobjpl 56 41409 0 35768 86 1 85 85 0 8 2 pdppl 4096 3987 0 3918 187 114 73 83 0 8 4 pvpl 32 46146 0 0 375 2 373 373 0 265 0 pmappl 248 1989 0 1959 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 544 0 166 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83459ff0) 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(ffffffff835f9240) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835f9240) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0fde70,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835f9240) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835f9240) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0fe040) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0fe040) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7515119b1c90, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83459ff0) 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(ffffffff835f9240) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835f9240) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0fde70,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835f9240) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835f9240) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0fe040) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0fe040) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7515119b1c90, count: -9 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff8000371a6210) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807559f630,ffff8000371a62a8,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807559f630,ffff800029fe6c00,103,0,1,36ed62e57c03c19f,ffff8000371a63d0,fffffd807559f630,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371a63d0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806820e980,ffff8000371a6550,ffff8000371a6580,ffff8000371a6480,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371b2cd0,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371a6700) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371a6700) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9dba03597d0, count: 7 ddb{1}> trace fifo_write(ffff8000371a6210) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd807559f630,ffff8000371a62a8,8,fffffd807f7d3478) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd807559f630,ffff800029fe6c00,103,0,1,36ed62e57c03c19f,ffff8000371a63d0,fffffd807559f630,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000371a63d0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806820e980,ffff8000371a6550,ffff8000371a6580,ffff8000371a6480,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff8000371b2cd0,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff8000371a6700) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371a6700) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9dba03597d0, count: -8