uvm_fault(0xfffffd806b5ae6f8, 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 295740 99480 32767 0x10 0 0 syz-executor *161612 82169 32767 0x10 0x4000000 1K syz-executor fifo_write(ffff800032d8ae90) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd805ce4f538,ffff800032d8af28,8,fffffd807f7d3208) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd805ce4f538,ffff800029fe7c00,100,0,1,76ecb101bf49a4d1,ffff800032d8b050,fffffd805ce4f538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800032d8b050) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805ce4fa48,ffff800032d8b1d0,ffff800032d8b200,ffff800032d8b100,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800036dc5210,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800032d8b380) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032d8b380) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf53d43fd900, 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(0xfffffd806b5ae6f8, 0x8, 0, 1) -> e ddb{1}> trace fifo_write(ffff800032d8ae90) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd805ce4f538,ffff800032d8af28,8,fffffd807f7d3208) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd805ce4f538,ffff800029fe7c00,100,0,1,76ecb101bf49a4d1,ffff800032d8b050,fffffd805ce4f538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800032d8b050) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805ce4fa48,ffff800032d8b1d0,ffff800032d8b200,ffff800032d8b100,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800036dc5210,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800032d8b380) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032d8b380) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf53d43fd900, count: -8 ddb{1}> show registers rdi 0xfffffd805ce4f538 rsi 0x2006 __ALIGN_SIZE+0x1006 rbp 0xffff800032d8ae80 rbx 0xfffffd805ce4f538 rdx 0xffff80003fa2e000 rcx 0x2005 __ALIGN_SIZE+0x1005 rax 0 r8 0 r9 0x1 r10 0xffff800029b7bff0 r11 0x1991c3555318ed5 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0xffff800032d8af28 r14 0xffff800032d8ae90 r15 0x1 rip 0xffffffff82ccd08e fifo_write+0x6e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800032d8ae50 ss 0x10 fifo_write+0x6e: movq 0x8(%rax),%r15 ddb{1}> show proc PROC (syz-executor) tid=161612 pid=82169 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371cf6f0,0xffff800036dc4a88 process=0xffff8000307771f0 user=0xffff800032d86000, vmspace=0xfffffd806b5ae6f8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99480 295740 76942 32767 7 0x10 syz-executor 99480 345720 76942 32767 2 0x4000010 syz-executor 82169 375626 74260 32767 2 0x10 syz-executor *82169 161612 74260 32767 7 0x4000010 syz-executor 4411 424598 55988 32767 2 0x10 syz-executor 4411 496114 55988 32767 3 0x4000010 biowait syz-executor 39245 339878 25011 32767 2 0x10 syz-executor 39245 463530 25011 32767 3 0x4000090 fsleep syz-executor 39245 174964 25011 32767 3 0x4000090 fsleep syz-executor 39245 342357 25011 32767 3 0x4000090 fsleep syz-executor 37514 78692 28447 32767 3 0x90 nanoslp syz-executor 37514 121083 28447 32767 3 0x4000090 kqpoll syz-executor 37514 276403 28447 32767 3 0x4000090 fsleep syz-executor 55988 32493 41325 32767 3 0x90 nanoslp syz-executor 28447 185874 7244 32767 3 0x90 nanoslp syz-executor 76942 33504 62446 32767 3 0x90 nanoslp syz-executor 41325 251230 38001 0 3 0x82 wait syz-executor 65201 208594 98324 32767 3 0x10 biowait syz-executor 7244 473224 38001 0 3 0x82 wait syz-executor 98324 498437 38001 0 3 0x82 wait syz-executor 25011 380870 97799 32767 3 0x90 nanoslp syz-executor 62446 26783 38001 0 3 0x82 wait syz-executor 74260 112203 14609 32767 3 0x90 nanoslp syz-executor 32501 254802 72070 32767 3 0x10 biowait syz-executor 97799 482696 38001 0 3 0x82 wait syz-executor 63545 158971 5435 32767 3 0x90 nanoslp syz-executor 72070 60453 38001 0 3 0x82 wait syz-executor 14609 410971 38001 0 3 0x82 wait syz-executor 5435 166586 38001 0 3 0x82 wait syz-executor 63840 116896 0 0 3 0x14200 bored sosplice 38001 55178 28782 0 3 0x82 kqread syz-executor 28782 204190 86523 0 3 0x10008a sigsusp ksh 86523 498362 80489 0 3 0x98 kqread sshd-session 80489 378270 12098 0 3 0x92 kqread sshd-session 33317 191281 1 0 3 0x100083 ttyin getty 12098 366122 1 0 3 0x88 kqread sshd 40298 84453 52822 73 3 0x1100010 ffs_fsync syslogd 52822 362633 1 0 3 0x100082 sbwait syslogd 11458 327988 1 0 3 0x100080 kqread resolvd 79838 37515 22775 77 3 0x100092 kqread dhcpleased 81513 37652 22775 77 3 0x100092 kqread dhcpleased 22775 244851 1 0 3 0x80 kqread dhcpleased 39114 364931 0 0 3 0x14200 bored smr 65272 126615 0 0 2 0x14200 zerothread 46981 289835 0 0 3 0x14200 aiodoned aiodoned 65072 205907 0 0 3 0x14200 syncer update 19098 165702 0 0 3 0x14200 cleaner cleaner 70459 274500 0 0 3 0x14200 reaper reaper 42928 8813 0 0 3 0x14200 pgdaemon pagedaemon 93070 354663 0 0 3 0x14200 bored viomb 20178 64701 0 0 3 0x40014200 acpi0 acpi0 96679 460519 0 0 3 0x40014200 idle1 43138 83512 0 0 3 0x14200 bored softnet3 28761 419387 0 0 3 0x14200 bored softnet2 42095 403892 0 0 3 0x14200 bored softnet1 33742 111400 0 0 3 0x14200 bored softnet0 56448 6728 0 0 3 0x14200 bored systqmp 4178 509469 0 0 3 0x14200 bored systq 55249 43980 0 0 3 0x14200 tmoslp softclockmp 67430 118540 0 0 3 0x40014200 tmoslp softclock 62585 308403 0 0 3 0x40014200 idle0 1 452727 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 82169 (syz-executor) thread 0xffff800036dc5210 (161612) 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 (0xfffffd8054f111b8) #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 4411 (syz-executor) thread 0xffff8000ffff7458 (496114) exclusive rrwlock inode r = 0 (0xfffffd8054f11b48) #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_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #9 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #10 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #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 (0xfffffd806c2bd918) #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 dosymlinkat+0xee sys/kern/vfs_syscalls.c:1792 #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 65201 (syz-executor) thread 0xffff800036dc42e0 (208594) exclusive rrwlock inode r = 0 (0xfffffd8054f110a8) #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 (0xfffffd805da0f708) #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 32501 (syz-executor) thread 0xffff800036dc59a8 (254802) exclusive rrwlock inode r = 0 (0xfffffd807ddcdd68) #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 (0xfffffd8078e01700) #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 40298 (syslogd) thread 0xffff8000ffffd960 (84453) exclusive rrwlock inode r = 0 (0xfffffd806e343b40) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10191 10022K 10035K 166960K 11533 0 pcb 17 14K 16K 166960K 19 0 rtable 212 6K 7K 166960K 3029 0 pf 29 16K 16K 166960K 208 0 ifaddr 38 7K 8K 166960K 398 0 ifgroup 46 2K 2K 166960K 401 0 sysctl 3 0K 0K 166960K 3 0 counters 62 36K 36K 166960K 238 0 ioctlops 0 0K 2K 166960K 129 0 iov 0 0K 16K 166960K 171 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1455 91K 92K 166960K 3275 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 26 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 58 0 dirhash 15 2K 3K 166960K 27 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 24 89K 157K 166960K 2606 0 sigio 1 0K 0K 166960K 113 0 proc 56 78K 176K 166960K 3017 0 subproc 104 6K 12K 166960K 1781 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 224 0 in_multi 88 6K 7K 166960K 1095 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 1701 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 262 74K 132K 166960K 19090 0 UVM aobj 105 7K 7K 166960K 108 0 pinsyscall 45 90K 126K 166960K 5881 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 89 0 NDP 24 1K 2K 166960K 288 0 temp 76 6824K 6888K 166960K 23745 0 kqueue 14 22K 31K 166960K 188 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 120 346 0 343 2 1 1 2 0 8 0 rtentry 112 1082 0 983 4 0 4 4 0 8 1 unpcb 144 952 0 928 9 7 2 4 0 8 1 syncache 336 14 0 14 7 7 0 1 0 8 0 tcpqe 32 8 0 8 6 6 0 1 0 8 0 tcpcb 808 734 0 728 35 33 2 18 0 8 1 arp 120 192 0 176 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 336 1920 0 1911 30 28 2 16 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 136 299 0 278 1 0 1 1 0 8 0 kcovpl 48 137 0 129 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 4435 0 4020 83 57 26 32 0 8 0 art_table 32 4436 0 4020 5 1 4 5 0 8 0 art_node 16 1081 0 991 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 13 1 0 1 1 0 8 0 semapl 112 56 0 46 1 0 1 1 0 8 0 shmpl 112 105 0 3 3 0 3 3 0 8 0 dirhash 1024 27 0 8 3 0 3 3 0 8 0 dino2pl 256 3234 0 1493 109 0 109 109 0 8 0 ffsino 272 3234 0 1493 117 0 117 117 0 8 0 nchpl 144 4823 0 2961 70 0 70 70 0 8 0 uvmvnodes 80 5024 0 0 103 0 103 103 0 8 0 vnodes 216 5024 0 0 280 0 280 280 0 8 0 namei 1024 24528 0 24524 17 15 2 2 0 8 1 percpumem 16 133 0 88 1 0 1 1 0 8 0 kstatmem 264 196 0 176 2 0 2 2 0 8 0 scxspl 216 47843 0 47839 14 13 1 8 1 8 0 plimitpl 152 594 0 570 2 0 2 2 0 8 0 sigapl 424 2625 0 2570 12 4 8 9 0 8 0 futexpl 64 14659 0 14655 9 8 1 1 0 8 0 knotepl 120 592 0 0 17 0 17 17 0 8 0 kqueuepl 216 382 0 372 6 5 1 5 0 8 0 pipepl 320 623 0 594 10 6 4 6 0 8 0 fdescpl 496 2606 0 2570 11 4 7 7 0 8 0 filepl 152 12575 0 12323 28 15 13 17 0 8 0 lockfpl 104 236 0 234 1 0 1 1 0 8 0 lockfspl 48 94 0 92 1 0 1 1 0 8 0 sessionpl 144 114 0 98 1 0 1 1 0 8 0 pgrppl 48 262 0 238 1 0 1 1 0 8 0 ucredpl 104 2136 0 2117 1 0 1 1 0 8 0 zombiepl 144 2571 0 2570 1 0 1 1 0 8 0 processpl 1160 2625 0 2570 8 2 6 6 0 8 0 procpl 648 4302 0 4239 12 6 6 7 0 8 0 srpgc 96 6 0 6 3 3 0 1 0 8 0 sosppl 168 14 0 14 7 6 1 1 0 8 1 sockpl 664 3239 0 3203 42 35 7 18 0 8 3 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 280 0 0 30 1 29 30 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 448 0 0 19 0 19 19 0 8 0 bufpl 280 8465 0 1493 499 0 499 499 0 8 0 anonpl 24 391905 0 387067 112 38 74 89 0 185 22 amapchunkpl 152 60954 0 60303 58 22 36 44 0 158 9 amappl16 200 6649 0 6618 52 49 3 15 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 292 0 282 1 0 1 1 0 8 0 amappl13 176 12 0 11 1 0 1 1 0 8 0 amappl12 168 4640 0 4604 9 6 3 3 0 8 1 amappl11 160 61 0 51 1 0 1 1 0 8 0 amappl10 152 29 0 29 1 1 0 1 0 8 0 amappl9 144 145 0 145 1 1 0 1 0 8 0 amappl8 136 20 0 18 1 0 1 1 0 8 0 amappl7 128 272 0 262 1 0 1 1 0 8 0 amappl6 120 1026 0 1024 1 0 1 1 0 8 0 amappl5 112 484 0 475 1 0 1 1 0 8 0 amappl4 104 577 0 561 1 0 1 1 0 8 0 amappl3 96 10322 0 10208 6 2 4 4 0 8 0 amappl2 88 3047 0 2967 3 0 3 3 0 8 0 amappl1 80 21340 0 20796 17 3 14 15 0 8 0 amappl 88 18022 0 17816 8 2 6 6 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 72 107 0 3 2 0 2 2 0 8 0 uaddrrnd 24 2607 0 2571 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2607 0 2571 1 0 1 1 0 8 0 vmmpekpl 168 24823 0 24758 6 2 4 5 0 8 0 vmmpepl 168 166592 0 164591 132 36 96 104 0 357 2 vmsppl 440 2606 0 2571 9 3 6 6 0 8 0 rwobjpl 56 52317 0 46303 94 7 87 87 0 8 0 pdppl 4096 5221 0 5142 387 292 95 113 0 8 16 pvpl 32 45355 0 0 365 1 364 364 0 265 0 pmappl 248 2606 0 2571 6 2 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 845 0 435 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8345fff0) 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+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec7f8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800037007800,ffff80000004b700) 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: 0x714c55209660, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8345fff0) 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+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ec7f8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800037007800,ffff80000004b700) 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: 0x714c55209660, count: -6 ddb{0}> machine ddbcpu 1 Stopped at fifo_write+0x6e: movq 0x8(%rax),%r15 fifo_write(ffff800032d8ae90) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd805ce4f538,ffff800032d8af28,8,fffffd807f7d3208) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd805ce4f538,ffff800029fe7c00,100,0,1,76ecb101bf49a4d1,ffff800032d8b050,fffffd805ce4f538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800032d8b050) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805ce4fa48,ffff800032d8b1d0,ffff800032d8b200,ffff800032d8b100,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800036dc5210,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800032d8b380) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032d8b380) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf53d43fd900, count: 7 ddb{1}> trace fifo_write(ffff800032d8ae90) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd805ce4f538,ffff800032d8af28,8,fffffd807f7d3208) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd805ce4f538,ffff800029fe7c00,100,0,1,76ecb101bf49a4d1,ffff800032d8b050,fffffd805ce4f538,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff800032d8b050) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd805ce4fa48,ffff800032d8b1d0,ffff800032d8b200,ffff800032d8b100,ffff800029fe7c00) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800036dc5210,200010c0,3,200004c0) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff800032d8b380) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800032d8b380) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf53d43fd900, count: -8