uvm_fault(0xfffffd806ef8c7a8, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff81d8f2e8 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80003c465070 gsbase 0xffff8000299edff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff81d8f2e8 Starting stack trace... panic(ffffffff833a4713) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80003c464fc0) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001654000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff800039021a28) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff800039021a28) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c465170) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805ea40510,1,fffffd80097fb3a8,ffff800039021a28) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ee4f148,ffff800039021a28) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ee4f148,ffff800039021a28) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ee4f148,ffff800039021a28) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ee4f148,ffff800039021a28) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800039021a28) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800039021a28,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800039021a28,ffff80003c4654e0,ffff80003c465430) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4654e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4654e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x778f3a9a2cf0, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 91 -29004552 EXIT 0 4 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND * 48387 76380 0 0x2 0 1 syz-executor 352494 41483 0 0x14000 0x200 0 reaper savectx() at savectx+0xae end of kernel end trace frame: 0x7189fe456ce0, count: 14 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}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806ef8c7a8, 0x0, 0, 1) -> e ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x7189fe456ce0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a32d350 rbx 0 rdx 0 rcx 0xffff800039021cc0 rax 0x3a r8 0xffff80002a32d280 r9 0x1 r10 0x79ff7538a8a74925 r11 0xfa4dd1b29609a6c9 r12 0 r13 0 r14 0xffff800039021cc0 r15 0 rip 0xffffffff823123ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002a32d2d0 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=48387 pid=76380 tcnt=1 stat=onproc flags process=2 proc=0 runpri=32, usrpri=85, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003901c2c0,0xffff80002a340838 process=0xffff80003c4c9840 user=0xffff80002a328000, vmspace=0xfffffd806b9a25d0 estcpu=35, cpticks=68, pctcpu=0.26, user=0, sys=67, intr=1 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 3225 19058 51594 0 2 0 syz-executor 99974 260484 75232 0 2 0 syz-executor 99974 517288 75232 0 2 0x4000000 syz-executor 32729 126850 76380 0 2 0 syz-executor 32729 122536 76380 0 3 0x4000080 fsleep syz-executor 32729 228430 76380 0 3 0x4000080 fsleep syz-executor 81448 12970 2276 0 3 0 vmmaplk syz-executor 81448 28964 2276 0 3 0x4000080 fsleep syz-executor 81448 383914 2276 0 2 0x4000000 syz-executor 81448 200531 2276 0 3 0x4000080 fsleep syz-executor 10725 301580 4555 0 2 0 syz-executor 10725 265323 4555 0 3 0x4000080 fifow syz-executor 10725 450025 4555 0 3 0x4000080 fsleep syz-executor 10725 485915 4555 0 3 0x4000080 fsleep syz-executor 87270 314000 82954 0 3 0x3000 suspend syz-executor 87270 66932 82954 0 2 0x4081000 syz-executor 87270 443613 82954 0 3 0x4081000 inode syz-executor 51594 3132 6298 0 2 0xc82 syz-executor 16168 323636 0 0 3 0x14200 acct acct 2276 182500 6298 0 2 0xc82 syz-executor 25214 435206 0 0 3 0x14280 nfsidl nfsio 76297 484695 0 0 3 0x14280 nfsidl nfsio 78409 188475 0 0 3 0x14280 nfsidl nfsio 89931 392196 0 0 3 0x14280 nfsidl nfsio 19711 426155 0 0 3 0x14280 nfsidl nfsio 61030 188250 0 0 3 0x14280 nfsidl nfsio 51066 42094 0 0 3 0x14280 nfsidl nfsio 49968 177155 0 0 3 0x14280 nfsidl nfsio 1208 107275 0 0 3 0x14280 nfsidl nfsio 71184 408730 0 0 3 0x14280 nfsidl nfsio 54312 260795 0 0 3 0x14280 nfsidl nfsio 53284 121272 0 0 3 0x14280 nfsidl nfsio 85226 399615 0 0 3 0x14280 nfsidl nfsio 60864 493471 0 0 3 0x14280 nfsidl nfsio 49875 214116 0 0 3 0x14280 nfsidl nfsio 30951 390656 0 0 3 0x14280 nfsidl nfsio 36780 193725 0 0 3 0x14280 nfsidl nfsio 85081 291678 0 0 3 0x14280 nfsidl nfsio 68221 266452 0 0 3 0x14280 nfsidl nfsio 62422 62967 0 0 3 0x14280 nfsidl nfsio *76380 48387 6298 0 7 0x2 syz-executor 4555 120308 6298 0 2 0xc82 syz-executor 61182 365015 6298 0 2 0xc82 syz-executor 50607 461624 1 0 2 0x100083 getty 53825 379393 0 0 3 0x14200 bored sosplice 12964 433875 6298 0 2 0xc82 syz-executor 82954 452192 6298 0 2 0xc82 syz-executor 75232 458661 6298 0 2 0xc82 syz-executor 6298 129704 82167 0 3 0x82 kqread syz-executor 82167 279989 15336 0 3 0x10008a sigsusp ksh 15336 299310 98891 0 3 0x98 kqread sshd-session 98891 189317 43741 0 3 0x92 kqread sshd-session 43741 22015 1 0 3 0x88 kqread sshd 17908 302628 36995 74 3 0x1100092 bpf pflogd 36995 153717 1 0 3 0x80 sbwait pflogd 22233 463985 65281 73 3 0x1100090 kqread syslogd 65281 98364 1 0 3 0x100082 sbwait syslogd 9447 420079 1 0 3 0x100080 kqread resolvd 31889 68269 2070 77 3 0x100092 kqread dhcpleased 46634 6618 2070 77 3 0x100092 kqread dhcpleased 2070 434400 1 0 3 0x80 kqread dhcpleased 88386 97998 0 0 3 0x14200 bored smr 11002 501330 0 0 2 0x14200 zerothread 52535 388238 0 0 3 0x14200 aiodoned aiodoned 84649 3324 0 0 3 0x14200 syncer update 74458 522135 0 0 3 0x14200 cleaner cleaner 41483 352494 0 0 7 0x14200 reaper 77289 95604 0 0 3 0x14200 pgdaemon pagedaemon 26158 167633 0 0 3 0x14200 bored viomb 16024 7534 0 0 3 0x40014200 acpi0 acpi0 74435 71989 0 0 3 0x40014200 idle1 40874 29246 0 0 3 0x14200 bored softnet7 42530 102567 0 0 3 0x14200 bored softnet6 9309 462650 0 0 3 0x14200 bored softnet5 40943 468168 0 0 3 0x14200 bored softnet4 67974 472278 0 0 3 0x14200 bored softnet3 37369 281300 0 0 3 0x14200 bored softnet2 93542 181902 0 0 3 0x14200 bored softnet1 70147 466410 0 0 2 0x14200 softnet0 26016 405555 0 0 2 0x14200 systqmp 39747 523947 0 0 3 0x14200 bored systq 94858 314472 0 0 3 0x14200 netlock softclockmp 80848 416348 0 0 3 0x40014200 netlock softclock 63671 507410 0 0 3 0x40014200 idle0 1 303715 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 3225 (syz-executor) thread 0xffff80002a3d7a60 (19058) exclusive rwlock uobjlk r = 0 (0xfffffd806ca487f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1236 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1370 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd805dab48d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #7 recall_trap+0x8 Process 99974 (syz-executor) thread 0xffff80002a3d77c8 (517288) exclusive rrwlock inode r = 0 (0xfffffd800bcc10f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ufs_lookup+0x16bd sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #9 namei+0x7ca sys/kern/vfs_lookup.c:250 #10 vn_open+0x15a sys/kern/vfs_vnops.c:140 #11 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #13 Xsyscall+0x128 Process 81448 (syz-executor) thread 0xffff80002a340ac0 (383914) exclusive rwlock vmmaplk r = 0 (0xfffffd805dab46e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_mapanon+0x28f sys/uvm/uvm_map.c:-1 #4 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1029 #5 sys_mmap+0xa80 sys/uvm/uvm_mmap.c:426 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 Process 87270 (syz-executor) thread 0xffff80002a3d7530 (66932) exclusive rwlock vmmaplk r = 0 (0xfffffd805dab4ab8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1918 #4 uvm_fault_check+0x895 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #4 uvm_fault_check+0x895 sys/uvm/uvm_fault.c:784 #5 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #6 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #7 kerntrap+0x198 sys/arch/amd64/amd64/trap.c:489 #8 alltraps_kern_meltdown+0x7b #9 copyout+0x57 #10 ffs_read+0x3f2 sys/ufs/ffs/ffs_vnops.c:254 #11 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #12 vn_read+0x17b sys/kern/vfs_vnops.c:369 #13 dofilereadv+0x25a sys/kern/sys_generic.c:252 #14 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #16 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e0c41c8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_read+0x6c sys/kern/vfs_vnops.c:353 #6 dofilereadv+0x25a sys/kern/sys_generic.c:252 #7 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 87270 (syz-executor) thread 0xffff80002a340d58 (443613) exclusive rrwlock inode r = 0 (0xfffffd806ea24118) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #10 Xsyscall+0x128 Process 41483 (reaper) thread 0xffff8000ffffca68 (352494) exclusive rwlock kmmaplk r = 0 (0xffffffff839b7d70) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10259 11085K 12359K 166960K 14813 0 pcb 19 20K 34K 166960K 1288 0 rtable 183 14K 15K 166960K 1021 0 pf 38 18K 131090K 166960K 475 0 ifaddr 33 6K 7K 166960K 277 0 ifgroup 59 2K 3K 166960K 543 0 sysctl 4 1K 9K 166960K 119 0 counters 70 37K 38K 166960K 784 0 ioctlops 0 0K 4K 166960K 2742 0 iov 1 0K 20K 166960K 346 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1693 106K 107K 166960K 4760 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 56 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 394 0 dirhash 12 2K 3K 166960K 84 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 4076 0 sigio 0 0K 0K 166960K 216 0 proc 72 115K 164K 166960K 1158 0 subproc 72 4K 4K 166960K 130 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 636 0 in_multi 57 4K 7K 166960K 364 0 ether_multi 1 0K 0K 166960K 61 0 mrt 5 0K 0K 166960K 31 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 1595 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 10 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 251 177K 195K 166960K 39379 0 UVM aobj 104 8K 8K 166960K 107 0 pinsyscall 42 84K 103K 166960K 5324 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 339 0 NDP 13 0K 2K 166960K 210 0 temp 82 8652K 8908K 166960K 228905 0 kqueue 13 20K 36K 166960K 912 0 SYN cache 2 8K 16K 166960K 3 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 480 0 477 5 4 1 3 0 8 0 rtentry 176 285 0 233 5 2 3 5 0 8 0 unpcb 144 4042 0 4023 35 33 2 8 0 8 1 syncache 336 8 0 8 4 4 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 1872 0 1866 47 45 2 13 0 8 1 arp 136 32 0 24 1 0 1 1 0 8 0 inpcb 328 5620 0 5610 70 66 4 12 0 8 1 nd6 144 33 0 24 1 0 1 1 0 8 0 pkpcb 40 99 0 99 13 12 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 mppekey 1024 12 0 12 4 4 0 1 0 8 0 ppxss 1192 303 0 303 10 9 1 1 0 8 1 pppxif 1504 18 0 18 8 8 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 57 0 47 1 0 1 1 0 482 0 pffrnode 88 51 0 43 1 0 1 1 0 8 0 pffrent 40 358 0 346 2 1 1 2 0 8 0 pfosfp 40 1431 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1431 0 715 21 0 21 21 0 8 0 pfrktable 1344 7 0 7 2 2 0 1 0 8 0 pfanchor 1288 4 0 1 2 1 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 324 0 226 1 0 1 1 0 8 0 pfstkey 128 324 0 226 4 0 4 4 0 8 0 pfstate 384 323 0 226 11 0 11 11 0 8 0 pfrule 1344 32 0 27 2 1 1 2 0 8 0 rttmr 136 10 0 10 5 4 1 1 0 8 1 art_heap8 4096 8 0 4 7 3 4 4 0 8 0 art_heap4 256 1382 0 1138 43 24 19 28 0 8 1 art_table 40 1390 0 1142 6 2 4 5 0 8 0 art_node 32 247 0 206 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 12 1 0 1 1 0 8 0 semapl 112 313 0 303 1 0 1 1 0 8 0 shmpl 112 104 0 3 3 0 3 3 0 8 0 dirhash 1024 66 0 49 3 0 3 3 0 8 0 dino2pl 256 9720 0 8197 97 1 96 96 0 8 0 ffsino 296 9720 0 8197 119 1 118 118 0 8 0 nchpl 144 15743 0 15111 64 39 25 64 0 8 0 rtmask 32 47 0 47 12 12 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 58938 0 58936 6 5 1 2 0 8 0 percpumem 16 407 0 357 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 kstatmem 264 370 0 338 3 0 3 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 26 0 26 11 10 1 1 0 8 1 scxspl 216 119591 0 119591 20 19 1 8 1 8 1 plimitpl 152 1519 0 1499 1 0 1 1 0 8 0 sigapl 424 4433 0 4357 11 2 9 9 0 8 0 knotepl 120 734 0 0 21 0 21 21 0 8 0 kqueuepl 224 1992 0 1983 24 23 1 5 0 8 0 pipepl 344 911 0 884 36 33 3 9 0 8 0 fdescpl 528 4347 0 4316 3 0 3 3 0 8 0 filepl 160 36970 0 36745 77 62 15 27 0 8 0 lockfpl 104 1730 0 1727 3 2 1 2 0 8 0 lockfspl 48 570 0 567 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 187 0 170 1 0 1 1 0 8 0 ucredpl 104 6395 0 6381 1 0 1 1 0 8 0 zombiepl 144 5784 0 5782 3 2 1 1 0 8 0 processpl 1232 4433 0 4357 9 2 7 7 0 8 0 procpl 664 11393 0 11306 15 6 9 9 0 8 0 sosppl 168 16 0 16 7 7 0 1 0 8 0 sockpl 752 10680 0 10647 136 128 8 24 0 8 3 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 103 0 0 13 0 13 13 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 47 0 0 5 0 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1248 0 0 74 0 74 74 0 8 0 bufpl 280 49503 0 43360 440 0 440 440 0 8 0 anonpl 32 18602 0 0 149 0 149 149 0 246 0 amapchunkpl 152 139358 0 138775 78 49 29 35 0 158 3 amappl16 200 17770 0 17365 123 93 30 42 0 8 3 amappl15 192 10 0 9 1 0 1 1 0 8 0 amappl14 184 126 0 114 1 0 1 1 0 8 0 amappl13 176 14 0 14 3 3 0 1 0 8 0 amappl12 168 5172 0 5142 3 1 2 2 0 8 0 amappl11 160 72 0 57 1 0 1 1 0 8 0 amappl10 152 37 0 37 2 2 0 1 0 8 0 amappl9 144 253 0 252 2 1 1 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 140 0 127 1 0 1 1 0 8 0 amappl6 120 242 0 237 1 0 1 1 0 8 0 amappl5 112 154 0 144 1 0 1 1 0 8 0 amappl4 104 320 0 299 1 0 1 1 0 8 0 amappl3 96 24637 0 24540 3 0 3 3 0 8 0 amappl2 88 4607 0 4528 2 0 2 2 0 8 0 amappl1 80 24899 0 24304 16 2 14 16 0 8 0 amappl 88 37881 0 37704 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma8192 8192 2 0 2 2 2 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 2 0 2 2 1 1 1 0 8 1 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 2 0 2 1 1 0 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 262 0 262 7 6 1 1 0 8 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 106 0 3 2 0 2 2 0 8 0 uaddrrnd 24 4347 0 4316 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4347 0 4316 1 0 1 1 0 8 0 vmmpekpl 168 35567 0 35504 4 0 4 4 0 8 0 vmmpepl 168 277402 0 275001 180 62 118 124 0 357 6 vmsppl 488 4346 0 4315 7 2 5 5 0 8 0 rwobjpl 80 78083 0 70721 169 13 156 159 0 8 3 pdppl 4096 8702 0 8630 118 46 72 84 0 8 0 pvpl 32 28893 0 0 233 1 232 232 0 265 0 pmappl 256 4346 0 4315 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 442 0 143 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8379cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 km_free(ffff80002a3d6838,ffff80002a3d6838,359fc3f334239d0f,ffff80002a3d6838) at km_free+0x1f8 sys/uvm/uvm_km.c:833 reaper(ffff8000ffffca68) at reaper+0x1aa sys/kern/kern_exit.c:493 end trace frame: 0x0, count: 10 ddb{0}> trace x86_ipi_db(ffffffff8379cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 km_free(ffff80002a3d6838,ffff80002a3d6838,359fc3f334239d0f,ffff80002a3d6838) at km_free+0x1f8 sys/uvm/uvm_km.c:833 reaper(ffff8000ffffca68) at reaper+0x1aa sys/kern/kern_exit.c:493 end trace frame: 0x0, count: -5 ddb{0}> machine ddbcpu 1 Stopped at savectx+0xae: movl $0,%gs:0x688 savectx() at savectx+0xae end of kernel end trace frame: 0x7189fe456ce0, count: 14 ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x7189fe456ce0, count: -1