uvm_fault(0xfffffd806c3abc20, 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 216800 9167 0 0 0 0 syz-executor * 3910 21480 0 0 0x4000000 1K syz-executor fifo_write(ffff80003338c940) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8062d301f8,ffff80003338c9d8,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8062d301f8,ffff800029fe6c00,103,0,1,bc37ce90cae4d809,ffff80003338cb00,fffffd8062d301f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80003338cb00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8063cfb9a0,ffff80003338cc80,ffff80003338ccb0,ffff80003338cbb0,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003727c040,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80003338ce30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003338ce30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb588aa27e60, 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(0xfffffd806c3abc20, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff80003338c940) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8062d301f8,ffff80003338c9d8,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8062d301f8,ffff800029fe6c00,103,0,1,bc37ce90cae4d809,ffff80003338cb00,fffffd8062d301f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80003338cb00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8063cfb9a0,ffff80003338cc80,ffff80003338ccb0,ffff80003338cbb0,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003727c040,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80003338ce30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003338ce30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb588aa27e60, count: -8 ddb{1}> show registers rdi 0xfffffd8062d301f8 rsi 0x19aa __ALIGN_SIZE+0x9aa rbp 0xffff80003338c930 rbx 0xfffffd8062d301f8 rdx 0xffff80003338d000 rcx 0x19a9 __ALIGN_SIZE+0x9a9 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0xe44c0819b31c6d69 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff80003338c9d8 r14 0xffff80003338c940 r15 0x1 rip 0xffffffff82bb166e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003338c900 ss 0 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=3910 pid=21480 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=0xffff80003727c2c8,0xffff80003727dc28 process=0xffff800037261fb8 user=0xffff800033387000, vmspace=0xfffffd806c3abc20 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9167 216800 70192 0 7 0 syz-executor 21480 472096 20816 0 2 0 syz-executor *21480 3910 20816 0 7 0x4000000 syz-executor 95642 365361 93225 0 3 0x80 nanoslp syz-executor 95642 438000 93225 0 3 0x4000080 ttyretype syz-executor 20901 70478 36107 0 3 0x80 nanoslp syz-executor 20901 343321 36107 0 3 0x4000080 nanoslp syz-executor 140 302459 12368 0 3 0x90 nanoslp syz-executor 140 23191 12368 0 3 0x4000090 msgwait syz-executor 140 217332 12368 0 3 0x4000090 msgwait syz-executor 140 427784 12368 0 3 0x4000090 fsleep syz-executor 140 472414 12368 0 3 0x4000090 fsleep syz-executor 20816 483145 24764 0 3 0x82 nanoslp syz-executor 44568 26212 0 0 3 0x14280 nfsidl nfsio 47119 411194 0 0 3 0x14280 nfsidl nfsio 47852 317664 0 0 3 0x14280 nfsidl nfsio 23735 301335 0 0 3 0x14280 nfsidl nfsio 59698 448421 0 0 3 0x14280 nfsidl nfsio 14875 252227 0 0 3 0x14280 nfsidl nfsio 95811 392637 0 0 3 0x14280 nfsidl nfsio 35362 259345 0 0 3 0x14280 nfsidl nfsio 66743 41093 0 0 3 0x14280 nfsidl nfsio 18672 116501 0 0 3 0x14280 nfsidl nfsio 12972 319270 0 0 3 0x14280 nfsidl nfsio 6945 185570 0 0 3 0x14280 nfsidl nfsio 6318 102450 0 0 3 0x14280 nfsidl nfsio 90453 148255 0 0 3 0x14280 nfsidl nfsio 34592 173020 0 0 3 0x14280 nfsidl nfsio 12004 296063 0 0 3 0x14280 nfsidl nfsio 43578 401467 0 0 3 0x14280 nfsidl nfsio 91684 268607 0 0 3 0x14280 nfsidl nfsio 51553 310202 0 0 3 0x14280 nfsidl nfsio 18985 319055 0 0 3 0x14280 nfsidl nfsio 52655 176068 0 0 3 0x14200 bored sosplice 36107 483323 24764 0 3 0x82 nanoslp syz-executor 93225 382273 24764 0 3 0x82 nanoslp syz-executor 70192 148957 24764 0 3 0x82 nanoslp syz-executor 49656 448765 24764 0 3 0x2 biowait syz-executor 96705 83217 24764 0 2 0x2 syz-executor 12368 456219 24764 0 3 0x82 nanoslp syz-executor 7518 400497 24764 0 3 0x2 biowait syz-executor 24764 422672 76516 0 3 0x82 kqread syz-executor 76516 216710 31079 0 3 0x10008a sigsusp ksh 31079 76250 2261 0 3 0x98 kqread sshd-session 2261 223499 75817 0 3 0x92 kqread sshd-session 17405 95259 1 0 3 0x100083 ttyin getty 75817 356133 1 0 3 0x88 kqread sshd 41085 323005 58553 74 3 0x1100092 bpf pflogd 58553 106536 1 0 3 0x80 sbwait pflogd 18737 456049 91925 73 3 0x1100090 kqread syslogd 91925 66011 1 0 3 0x100082 sbwait syslogd 86340 197916 1 0 3 0x100080 kqread resolvd 98138 333181 56787 77 3 0x100092 kqread dhcpleased 82035 82886 56787 77 3 0x100092 kqread dhcpleased 56787 19253 1 0 3 0x80 kqread dhcpleased 42556 469653 0 0 3 0x14200 bored smr 94550 349637 0 0 3 0x14200 pgzero zerothread 53643 234918 0 0 3 0x14200 aiodoned aiodoned 49600 393117 0 0 3 0x14200 syncer update 23000 515371 0 0 3 0x14200 cleaner cleaner 52118 126645 0 0 3 0x14200 reaper reaper 63405 336265 0 0 3 0x14200 pgdaemon pagedaemon 74673 374662 0 0 3 0x14200 bored viomb 35040 319525 0 0 3 0x40014200 acpi0 acpi0 61359 451066 0 0 3 0x40014200 idle1 81374 119253 0 0 3 0x14200 bored softnet3 72525 31814 0 0 3 0x14200 bored softnet2 28656 403802 0 0 3 0x14200 bored softnet1 28145 467570 0 0 3 0x14200 bored softnet0 1327 212220 0 0 3 0x14200 bored systqmp 91357 280170 0 0 3 0x14200 bored systq 6528 193846 0 0 3 0x14200 tmoslp softclockmp 61521 301595 0 0 3 0x40014200 tmoslp softclock 72966 378841 0 0 3 0x40014200 idle0 1 423912 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 9167 (syz-executor) thread 0xffff80003727dc18 (216800) exclusive rwlock amaplk r = 0 (0xfffffd806cce4a20) #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 (0xfffffd806a665460) #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 21480 (syz-executor) thread 0xffff80003727c040 (3910) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8359da98) #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 (0xfffffd806e072a38) #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 49656 (syz-executor) thread 0xffff8000ffffb1d8 (448765) exclusive rrwlock inode r = 0 (0xfffffd806e6cb098) #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 (0xfffffd807624ce78) #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 96705 (syz-executor) thread 0xffff8000ffffb970 (83217) exclusive rrwlock inode r = 0 (0xfffffd806bf51700) #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 (0xfffffd807624ca38) #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 7518 (syz-executor) thread 0xffff8000ffffccb8 (400497) exclusive rrwlock inode r = 0 (0xfffffd806bf511b0) #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 (0xfffffd807624c1b8) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10212 10361K 10514K 166960K 12075 0 pcb 18 13K 13K 166960K 115 0 rtable 243 7K 7K 166960K 443 0 pf 35 17K 22K 166960K 67 0 ifaddr 44 7K 7K 166960K 56 0 ifgroup 55 2K 2K 166960K 73 0 sysctl 1 0K 0K 166960K 1 0 counters 64 36K 36K 166960K 74 0 ioctlops 0 0K 4K 166960K 1508 0 iov 0 0K 22K 166960K 61 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1459 92K 92K 166960K 1816 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 16 1K 1K 166960K 20 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 97K 166960K 583 0 sigio 0 0K 0K 166960K 72 0 proc 76 115K 152K 166960K 587 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 83 0 in_multi 103 7K 7K 166960K 125 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 465 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 211 72K 77K 166960K 7105 0 UVM aobj 19 2K 2K 166960K 19 0 pinsyscall 40 80K 108K 166960K 1688 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 24 0 NDP 12 0K 2K 166960K 35 0 temp 55 6818K 6894K 166960K 25249 0 kqueue 13 20K 30K 166960K 96 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 120 160 0 157 3 1 2 3 0 8 1 rtentry 112 128 0 15 4 0 4 4 0 8 0 unpcb 144 706 0 685 7 0 7 7 0 8 6 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 167 0 163 4 2 2 4 0 8 1 arp 120 20 0 2 1 0 1 1 0 8 0 inpcb 336 715 0 706 7 3 4 7 0 8 3 nd6 136 32 0 5 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 2 0 2 1 0 1 1 0 8 1 pffrag 232 5 0 3 1 0 1 1 0 482 0 pffrnode 88 4 0 2 1 0 1 1 0 8 0 pffrent 40 8 0 6 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 55 0 5 1 0 1 1 0 8 0 pfstkey 128 55 0 5 2 0 2 2 0 8 0 pfstate 376 54 0 5 6 0 6 6 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 256 506 0 48 29 0 29 29 0 8 0 art_table 32 507 0 48 4 0 4 4 0 8 0 art_node 16 126 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 10 1 0 1 1 0 8 0 semapl 112 15 0 1 1 0 1 1 0 8 0 shmpl 112 16 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2354 0 852 95 0 95 95 0 8 0 ffsino 272 2354 0 852 101 0 101 101 0 8 0 nchpl 144 3215 0 1528 63 0 63 63 0 8 0 uvmvnodes 80 2784 0 0 57 0 57 57 0 8 0 vnodes 216 2784 0 0 155 0 155 155 0 8 0 namei 1024 10542 0 10539 2 1 1 2 0 8 0 percpumem 16 51 0 5 1 0 1 1 0 8 0 kstatmem 264 34 0 10 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 9522 0 9520 5 3 2 3 1 8 1 plimitpl 152 135 0 117 1 0 1 1 0 8 0 sigapl 424 903 0 835 10 1 9 9 0 8 0 futexpl 64 7254 0 7252 1 0 1 1 0 8 0 knotepl 120 587 0 0 18 0 18 18 0 8 0 kqueuepl 216 280 0 271 5 0 5 5 0 8 4 pipepl 320 170 0 143 6 0 6 6 0 8 3 fdescpl 496 864 0 835 6 1 5 6 0 8 0 filepl 152 5199 0 4949 17 0 17 17 0 8 6 lockfpl 104 181 0 179 1 0 1 1 0 8 0 lockfspl 48 77 0 75 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 530 0 516 1 0 1 1 0 8 0 zombiepl 144 835 0 835 1 0 1 1 0 8 1 processpl 1160 903 0 835 6 0 6 6 0 8 0 procpl 648 1629 0 1554 9 1 8 8 0 8 0 srpgc 96 6 0 6 2 1 1 1 0 8 1 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 664 1596 0 1563 20 9 11 16 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 253 0 0 32 0 32 32 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 366 0 0 23 0 23 23 0 8 0 bufpl 280 3362 0 98 234 0 234 234 0 8 0 anonpl 24 177967 0 174686 74 5 69 72 0 185 42 amapchunkpl 152 22615 0 22198 25 1 24 25 0 158 4 amappl16 200 4444 0 4421 34 22 12 24 0 8 8 amappl15 192 13 0 13 2 2 0 1 0 8 0 amappl14 184 117 0 105 1 0 1 1 0 8 0 amappl13 176 15 0 14 1 0 1 1 0 8 0 amappl12 168 1554 0 1525 4 1 3 3 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 14 0 14 1 1 0 1 0 8 0 amappl9 144 210 0 210 1 1 0 1 0 8 0 amappl8 136 19 0 17 1 0 1 1 0 8 0 amappl7 128 110 0 98 1 0 1 1 0 8 0 amappl6 120 178 0 176 1 0 1 1 0 8 0 amappl5 112 137 0 125 1 0 1 1 0 8 0 amappl4 104 321 0 300 1 0 1 1 0 8 0 amappl3 96 3982 0 3901 3 0 3 3 0 8 0 amappl2 88 1069 0 992 2 0 2 2 0 8 0 amappl1 80 9166 0 8599 16 3 13 15 0 8 0 amappl 88 6690 0 6541 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 2 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 18 0 0 1 0 1 1 0 8 0 uaddrrnd 24 864 0 835 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 864 0 835 1 0 1 1 0 8 0 vmmpekpl 168 8584 0 8538 3 0 3 3 0 8 0 vmmpepl 168 59615 0 57854 104 3 101 104 0 357 14 vmsppl 440 863 0 835 6 2 4 5 0 8 0 rwobjpl 56 22550 0 18842 56 0 56 56 0 8 2 pdppl 4096 1735 0 1670 107 36 71 87 0 8 6 pvpl 32 19084 0 0 156 2 154 154 0 265 0 pmappl 248 863 0 835 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 414 0 46 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83425ff0) 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(ffffffff8359d890) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d890) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000335926a0,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_enter(fffffd806a570e98,eee5465e000,66faf000,1,20) at pmap_enter+0xc32 pmap_unmap_ptes sys/arch/amd64/amd64/pmap.c:451 [inline] pmap_enter(fffffd806a570e98,eee5465e000,66faf000,1,20) at pmap_enter+0xc32 sys/arch/amd64/amd64/pmap.c:2975 uvm_fault_upper_lookup(ffff800033592a80,ffff800033592ab8,ffff800033592980,ffff800033592a00) at uvm_fault_upper_lookup+0x389 uvm_fault(fffffd806a665370,eee5465c000,0,1) at uvm_fault+0x169 sys/uvm/uvm_fault.c:605 upageflttrap(ffff800033592c00,eee5465cf50) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800033592c00) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x739252ab8fa0, count: 2 ddb{0}> trace x86_ipi_db(ffffffff83425ff0) 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(ffffffff8359d890) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d890) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000335926a0,ffff80000006bc00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_enter(fffffd806a570e98,eee5465e000,66faf000,1,20) at pmap_enter+0xc32 pmap_unmap_ptes sys/arch/amd64/amd64/pmap.c:451 [inline] pmap_enter(fffffd806a570e98,eee5465e000,66faf000,1,20) at pmap_enter+0xc32 sys/arch/amd64/amd64/pmap.c:2975 uvm_fault_upper_lookup(ffff800033592a80,ffff800033592ab8,ffff800033592980,ffff800033592a00) at uvm_fault_upper_lookup+0x389 uvm_fault(fffffd806a665370,eee5465c000,0,1) at uvm_fault+0x169 sys/uvm/uvm_fault.c:605 upageflttrap(ffff800033592c00,eee5465cf50) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800033592c00) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x739252ab8fa0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff80003338c940) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8062d301f8,ffff80003338c9d8,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8062d301f8,ffff800029fe6c00,103,0,1,bc37ce90cae4d809,ffff80003338cb00,fffffd8062d301f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80003338cb00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8063cfb9a0,ffff80003338cc80,ffff80003338ccb0,ffff80003338cbb0,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003727c040,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80003338ce30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003338ce30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb588aa27e60, count: 7 ddb{1}> trace fifo_write(ffff80003338c940) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd8062d301f8,ffff80003338c9d8,8,fffffd807f7d3548) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8062d301f8,ffff800029fe6c00,103,0,1,bc37ce90cae4d809,ffff80003338cb00,fffffd8062d301f8,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80003338cb00) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd8063cfb9a0,ffff80003338cc80,ffff80003338ccb0,ffff80003338cbb0,ffff800029fe6c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff80003727c040,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80003338ce30) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003338ce30) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb588aa27e60, count: -8