kernel: protection fault trap, code=0 Stopped at icmp_mtudisc_timeout+0x117: movq 0(%rax),%rcx ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace icmp_mtudisc_timeout(fffffd806f08f6e0,0) at icmp_mtudisc_timeout+0x117 sys/netinet/ip_icmp.c:1102 rt_timer_queue_flush(ffffffff838dc750) at rt_timer_queue_flush+0x281 sys/net/route.c:1586 ip_sysctl(ffff80002ac3432c,1,0,ffff80002ac34358,200000001300,4) at ip_sysctl+0xa6c sys/netinet/ip_input.c:1755 net_sysctl(ffff80002ac34324,3,0,ffff80002ac34358,200000001300,4,263d4b78cf1114cf) at net_sysctl+0x64e sys/kern/uipc_domain.c:260 sys_sysctl(ffff80003c4bed20,ffff80002ac34490,ffff80002ac343e0) at sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1 syscall(ffff80002ac34490) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ac34490) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd0f93b1bc50, count: -7 ddb{0}> show registers rdi 0x14 rsi 0x14 rbp 0xffff80002ac34160 rbx 0x3 rdx 0xffff80000147a940 rcx 0xffff80003c4bed20 rax 0x25818e78bdad8caf r8 0xffffffff82b00300 tcp_mtudisc_increase r9 0x3 r10 0x8df5cd4f763923b5 r11 0x7e3104e58ddb2676 r12 0xffff800000039058 r13 0x14 r14 0 r15 0xfffffd806f08f6e0 rip 0xffffffff8164a657 icmp_mtudisc_timeout+0x117 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002ac34110 ss 0x10 icmp_mtudisc_timeout+0x117: movq 0(%rax),%rcx ddb{0}> show proc PROC (syz-executor) tid=459944 pid=82852 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4bf760,0xffffffff838cbfc8 process=0xffff80003c421d40 user=0xffff80002ac2f000, vmspace=0xfffffd806682c988 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43473 301567 22972 0 2 0 syz-executor 82852 83835 92144 0 7 0 syz-executor *82852 459944 92144 0 7 0x4000000 syz-executor 15416 72253 96917 0 3 0x80 nanoslp syz-executor 15416 98972 96917 0 3 0x4000080 netcon syz-executor 15416 482525 96917 0 3 0x4000080 fsleep syz-executor 99945 286170 86294 0 3 0x80 nanoslp syz-executor 99945 372192 86294 0 3 0x4000080 sbwait syz-executor 99945 461998 86294 0 3 0x4000080 fsleep syz-executor 1565 268589 73705 0 3 0x80 nanoslp syz-executor 1565 203185 73705 0 3 0x4000080 tunread syz-executor 1565 48122 73705 0 3 0x4000080 fsleep syz-executor 1565 296131 73705 0 3 0x4000000 inode syz-executor 25453 26416 59597 0 3 0x3000 suspend syz-executor 25453 29813 59597 0 2 0x4081000 syz-executor 25453 457105 59597 0 3 0x4081000 inode syz-executor 69226 453508 42294 0 3 0x82 sbwait sshd-session 15681 5055 42294 0 3 0x82 sbwait sshd-session 91389 242328 42294 0 3 0x82 sbwait sshd-session 46958 489807 42294 0 3 0x82 sbwait sshd-session 3191 342041 42294 0 3 0x82 sbwait sshd-session 20422 307613 42294 0 3 0x82 sbwait sshd-session 50860 378613 42294 0 3 0x82 sbwait sshd-session 96917 467012 88768 0 3 0x82 nanoslp syz-executor 55831 466781 88768 0 3 0x82 nanoslp syz-executor 13682 413606 42294 0 3 0x82 sbwait sshd-session 82055 301746 42294 0 3 0x82 sbwait sshd-session 87913 484680 0 0 3 0x14200 bored sosplice 3773 60846 0 0 3 0x14280 nfsidl nfsio 23220 270802 0 0 3 0x14280 nfsidl nfsio 18578 30123 0 0 3 0x14280 nfsidl nfsio 2600 399944 0 0 3 0x14280 nfsidl nfsio 29470 344198 0 0 3 0x14280 nfsidl nfsio 59581 422353 0 0 3 0x14280 nfsidl nfsio 81287 1238 0 0 3 0x14280 nfsidl nfsio 85650 352935 0 0 3 0x14280 nfsidl nfsio 40113 394688 0 0 3 0x14280 nfsidl nfsio 29466 458070 0 0 3 0x14280 nfsidl nfsio 72185 275630 0 0 3 0x14280 nfsidl nfsio 78227 341358 0 0 3 0x14280 nfsidl nfsio 83881 230138 0 0 3 0x14280 nfsidl nfsio 27751 236104 0 0 3 0x14280 nfsidl nfsio 84671 441297 0 0 3 0x14280 nfsidl nfsio 82433 488522 0 0 3 0x14280 nfsidl nfsio 66864 381399 0 0 3 0x14280 nfsidl nfsio 43331 511670 0 0 3 0x14280 nfsidl nfsio 51353 186339 0 0 3 0x14280 nfsidl nfsio 20036 35515 0 0 3 0x14280 nfsidl nfsio 86294 93990 88768 0 3 0x82 nanoslp syz-executor 37139 509409 88768 0 3 0x82 nanoslp syz-executor 92144 167904 88768 0 3 0x82 nanoslp syz-executor 59597 391137 88768 0 3 0x82 nanoslp syz-executor 22972 414429 88768 0 3 0x82 nanoslp syz-executor 73705 331951 88768 0 3 0x82 nanoslp syz-executor 88768 476589 42775 0 3 0x82 kqread syz-executor 42775 273303 87020 0 3 0x10008a sigsusp ksh 87020 207275 87573 0 3 0x98 kqread sshd-session 87573 487972 42294 0 3 0x92 kqread sshd-session 78348 454028 1 0 3 0x100083 ttyin getty 42294 44469 1 0 3 0x88 kqread sshd 60136 250239 56211 74 3 0x1100092 bpf pflogd 56211 194490 1 0 3 0x80 sbwait pflogd 88312 121134 66192 73 3 0x1100090 kqread syslogd 66192 111095 1 0 3 0x100082 sbwait syslogd 18509 197250 1 0 3 0x100080 kqread resolvd 19348 447188 24586 77 3 0x100092 kqread dhcpleased 83893 340295 24586 77 3 0x100092 kqread dhcpleased 24586 419833 1 0 3 0x80 kqread dhcpleased 44713 228572 0 0 3 0x14200 bored smr 12678 290927 0 0 3 0x14200 pgzero zerothread 15655 508113 0 0 3 0x14200 aiodoned aiodoned 75808 393162 0 0 3 0x14200 syncer update 97555 360788 0 0 3 0x14200 cleaner cleaner 71414 445008 0 0 3 0x14200 reaper reaper 48894 308352 0 0 3 0x14200 pgdaemon pagedaemon 9176 327184 0 0 3 0x14200 bored viomb 30729 275188 0 0 3 0x40014200 acpi0 acpi0 36596 62913 0 0 3 0x40014200 idle1 66608 268679 0 0 3 0x14200 bored softnet3 59617 148595 0 0 3 0x14200 bored softnet2 43796 490961 0 0 3 0x14200 bored softnet1 1263 334469 0 0 3 0x14200 bored softnet0 35603 228468 0 0 3 0x14200 bored systqmp 38219 60364 0 0 3 0x14200 bored systq 78429 250909 0 0 3 0x14200 tmoslp softclockmp 35978 283760 0 0 3 0x40014200 tmoslp softclock 43363 465750 0 0 3 0x40014200 idle0 1 20942 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 82852 (syz-executor) thread 0xffff80003c4bed20 (459944) exclusive rwlock netlock r = 0 (0xffffffff837df220) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 ip_sysctl+0xa57 sys/netinet/ip_input.c:1755 #3 net_sysctl+0x64e sys/kern/uipc_domain.c:260 #4 sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839d9d68) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:196 #2 net_sysctl+0x5c2 sys/kern/uipc_domain.c:257 #3 sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8386e828) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:191 #3 net_sysctl+0x5c2 sys/kern/uipc_domain.c:257 #4 sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 Process 1565 (syz-executor) thread 0xffff80003c4c4a80 (203185) exclusive rrwlock inode r = 0 (0xfffffd806e2051d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 spec_open+0x305 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x708 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 Process 1565 (syz-executor) thread 0xffff80002a2a6020 (296131) exclusive rrwlock inode r = 0 (0xfffffd806c37df80) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:1804 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 25453 (syz-executor) thread 0xffff80003c4c54c0 (29813) exclusive rrwlock inode r = 0 (0xfffffd806e06e788) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 25453 (syz-executor) thread 0xffff8000ffff1218 (457105) exclusive rwlock uvnsync r = 0 (0xffffffff839dbbe0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 uvm_vnp_sync+0x31 sys/uvm/uvm_vnode.c:1488 #3 sys_sync+0xda sys/kern/vfs_syscalls.c:534 #4 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #5 Xsyscall+0x128 shared rwlock vfslock r = 0 (0xffff800000b49860) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x36e sys/kern/kern_rwlock.c:397 #2 vfs_busy+0x94 sys/kern/vfs_subr.c:246 #3 sys_sync+0x5d sys/kern/vfs_syscalls.c:528 #4 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #5 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10235 11054K 11632K 166960K 13181 0 pcb 17 17K 18K 166960K 293 0 rtable 257 12K 12K 166960K 632 0 pf 41 18K 22K 166960K 149 0 ifaddr 45 8K 8K 166960K 105 0 ifgroup 63 2K 2K 166960K 161 0 sysctl 4 1K 9K 166960K 22 0 counters 72 37K 37K 166960K 178 0 ioctlops 0 0K 4K 166960K 1656 0 iov 0 0K 16K 166960K 54 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1404 88K 89K 166960K 2217 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 100 0 dirhash 15 2K 3K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1260 0 sigio 0 0K 0K 166960K 18 0 proc 72 91K 128K 166960K 732 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 305 0 in_multi 95 7K 7K 166960K 185 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 676 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 331 228K 242K 166960K 13040 0 UVM aobj 59 2K 2K 166960K 62 0 pinsyscall 61 122K 122K 166960K 2470 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 50 0 NDP 14 0K 2K 166960K 74 0 temp 61 8680K 8748K 166960K 52520 0 kqueue 13 20K 28K 166960K 215 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 177 0 174 3 2 1 3 0 8 0 rtentry 176 190 0 87 6 0 6 6 0 8 0 unpcb 144 675 0 638 4 2 2 4 0 8 0 syncache 336 13 0 13 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 385 0 367 13 11 2 8 0 8 0 arp 128 27 0 7 1 0 1 1 0 8 0 inpcb 328 1347 0 1322 20 14 6 12 0 8 3 nd6 144 42 0 16 1 0 1 1 0 8 0 pkpcb 40 12 0 12 3 2 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 43 0 43 2 1 1 1 0 8 1 pppxif 1504 3 0 3 2 2 0 1 0 8 0 pffrag 232 12 0 5 1 0 1 1 0 482 0 pffrnode 88 11 0 4 1 0 1 1 0 8 0 pffrent 40 18 0 11 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 5 0 0 1 0 1 1 0 8 0 pfstitem 24 122 0 32 1 0 1 1 0 8 0 pfstkey 128 124 0 34 3 0 3 3 0 8 0 pfstate 384 124 0 34 9 0 9 9 0 8 0 pfrule 1344 30 0 22 2 1 1 2 0 8 0 rttmr 136 11 0 7 2 1 1 1 0 8 0 art_heap8 4096 4 0 1 4 1 3 3 0 8 0 art_heap4 256 909 0 463 34 5 29 32 0 8 0 art_table 40 913 0 464 7 1 6 6 0 8 0 art_node 32 189 0 97 1 0 1 1 0 8 0 sysvmsgpl 40 41 0 7 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 97 0 87 1 0 1 1 0 8 0 shmpl 112 59 0 3 2 0 2 2 0 8 0 dirhash 1024 36 0 17 3 0 3 3 0 8 0 dino2pl 256 3576 0 2058 96 0 96 96 0 8 0 ffsino 288 3576 0 2058 109 0 109 109 0 8 0 nchpl 144 5241 0 3545 64 0 64 64 0 8 0 rtmask 32 11 0 11 3 3 0 1 0 8 0 uvmvnodes 80 4105 0 0 84 0 84 84 0 8 0 vnodes 216 4105 0 0 229 0 229 229 0 8 0 namei 1024 17611 0 17609 5 3 2 2 0 8 1 percpumem 16 104 0 53 1 0 1 1 0 8 0 kstatmem 264 100 0 70 4 2 2 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 31809 0 31809 13 10 3 8 1 8 3 plimitpl 152 225 0 206 1 0 1 1 0 8 0 sigapl 424 1568 0 1488 11 1 10 10 0 8 0 knotepl 120 797 0 0 24 0 24 24 0 8 0 kqueuepl 224 346 0 337 2 1 1 2 0 8 0 pipepl 336 205 0 178 3 0 3 3 0 8 0 fdescpl 520 1527 0 1486 3 0 3 3 0 8 0 filepl 160 8592 0 8324 19 4 15 15 0 8 1 lockfpl 104 500 0 496 1 0 1 1 0 8 0 lockfspl 48 223 0 219 1 0 1 1 0 8 0 sessionpl 144 35 0 17 1 0 1 1 0 8 0 pgrppl 48 61 0 35 1 0 1 1 0 8 0 ucredpl 104 1313 0 1298 1 0 1 1 0 8 0 zombiepl 144 1491 0 1488 1 0 1 1 0 8 0 processpl 1240 1568 0 1488 7 0 7 7 0 8 0 procpl 656 3485 0 3395 11 2 9 9 0 8 0 sosppl 168 6 0 6 4 3 1 1 0 8 1 sockpl 728 2236 0 2171 25 15 10 16 0 8 3 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 35 0 0 4 0 4 4 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 386 0 0 24 0 24 24 0 8 0 bufpl 280 12575 0 6433 441 1 440 440 0 8 1 anonpl 32 15574 0 0 127 1 126 126 0 246 0 amapchunkpl 152 42952 0 42361 42 14 28 36 0 158 0 amappl16 200 5193 0 4965 64 41 23 28 0 8 6 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 140 0 119 2 0 2 2 0 8 0 amappl13 176 7 0 6 1 0 1 1 0 8 0 amappl12 168 2236 0 2196 3 1 2 2 0 8 0 amappl11 160 85 0 71 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 251 0 250 2 1 1 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 124 0 102 1 0 1 1 0 8 0 amappl6 120 232 0 220 1 0 1 1 0 8 0 amappl5 112 150 0 140 1 0 1 1 0 8 0 amappl4 104 373 0 351 1 0 1 1 0 8 0 amappl3 96 8672 0 8535 5 1 4 4 0 8 0 amappl2 88 770 0 654 3 0 3 3 0 8 0 amappl1 80 15860 0 14463 29 0 29 29 0 8 0 amappl 88 12034 0 11832 7 1 6 6 0 92 0 dma8192 8192 2 0 2 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 128 255 0 255 3 3 0 1 0 8 0 dma64 64 10 0 10 3 3 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 61 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1527 0 1486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1527 0 1486 1 0 1 1 0 8 0 vmmpekpl 168 14423 0 14366 3 0 3 3 0 8 0 vmmpepl 168 104516 0 100995 186 23 163 169 0 357 5 vmsppl 480 1526 0 1486 6 0 6 6 0 8 0 rwobjpl 72 33928 0 27694 117 0 117 117 0 8 1 pdppl 4096 3061 0 2972 127 38 89 89 0 8 0 pvpl 32 29812 0 0 242 1 241 241 0 265 0 pmappl 256 1526 0 1486 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 452 0 65 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace icmp_mtudisc_timeout(fffffd806f08f6e0,0) at icmp_mtudisc_timeout+0x117 sys/netinet/ip_icmp.c:1102 rt_timer_queue_flush(ffffffff838dc750) at rt_timer_queue_flush+0x281 sys/net/route.c:1586 ip_sysctl(ffff80002ac3432c,1,0,ffff80002ac34358,200000001300,4) at ip_sysctl+0xa6c sys/netinet/ip_input.c:1755 net_sysctl(ffff80002ac34324,3,0,ffff80002ac34358,200000001300,4,263d4b78cf1114cf) at net_sysctl+0x64e sys/kern/uipc_domain.c:260 sys_sysctl(ffff80003c4bed20,ffff80002ac34490,ffff80002ac343e0) at sys_sysctl+0x3f2 sys/kern/kern_sysctl.c:-1 syscall(ffff80002ac34490) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ac34490) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd0f93b1bc50, count: -7 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 pvclock_get(ffffffff838bed10) at pvclock_get+0x69 sys/dev/pv/pvclock.c:334 nanouptime(ffff80002abda918) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline] nanouptime(ffff80002abda918) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline] nanouptime(ffff80002abda918) at nanouptime+0x61 sys/kern/kern_tc.c:217 clock_gettime(ffff80003c4be570,3,ffff80002abda918) at clock_gettime+0xaa sys/kern/kern_time.c:129 sys_clock_gettime(ffff80003c4be570,ffff80002abdaa50,ffff80002abda9a0) at sys_clock_gettime+0x59 sys/kern/kern_time.c:173 syscall(ffff80002abdaa50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002abdaa50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7add06d56400, count: -9