*cpu1: uvm_fault(0xfffffd806bb80528, 0x28, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x72d7764d0250, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003720c250 rbx 0 rdx 0 rcx 0xffff80002a03f460 rax 0x2a r8 0xffff80003720c180 r9 0 r10 0xef3813b3738be691 r11 0x3d64472838f102d9 r12 0 r13 0xffffffff8292ff28 Xdoreti+0x18 r14 0 r15 0 rip 0xffffffff810824c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003720c1d0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor) tid=505710 pid=71488 tcnt=3 stat=onproc flags process=0 proc=0 runpri=83, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffee028,0xffff80002a03f6f8 process=0xffff8000371bbae8 user=0xffff800037207000, vmspace=0xfffffd806c45bc20 estcpu=33, cpticks=1, pctcpu=0.7, user=7, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67687 145327 98810 0 2 0 syz-executor 67687 238664 98810 0 3 0x4000080 fsleep syz-executor 42843 483505 22774 0 2 0 syz-executor 42843 456860 22774 0 2 0x4000000 syz-executor 42843 208821 22774 0 2 0x4000000 syz-executor 81418 445435 45844 0 2 0 syz-executor 81418 482696 45844 0 2 0x4000000 syz-executor 78758 264465 48 60928 3 0x10 futex syz-executor 78758 462220 48 60928 2 0x4000010 syz-executor 78758 294614 48 60928 7 0x4000010 syz-executor 78758 97437 48 60928 3 0x4000090 fsleep syz-executor 30584 473169 18472 0 2 0 syz-executor 30584 259274 18472 0 2 0x4000000 syz-executor 28538 85048 96836 0 2 0 syz-executor 28538 194059 96836 0 2 0x4000000 syz-executor 28538 44325 96836 0 3 0x4000080 fsleep syz-executor *71488 505710 10706 0 7 0 syz-executor 71488 411529 10706 0 3 0x4000080 sbwait syz-executor 71488 34109 10706 0 2 0x4000000 syz-executor 45844 223225 23418 0 3 0x82 nanoslp syz-executor 98810 353616 23418 0 3 0x82 nanoslp syz-executor 96836 491146 23418 0 3 0x82 nanoslp syz-executor 44947 40832 23418 0 2 0x2 syz-executor 48 351496 23418 0 3 0x82 nanoslp syz-executor 22774 273372 23418 0 3 0x82 nanoslp syz-executor 10706 511392 23418 0 3 0x82 nanoslp syz-executor 18472 79415 23418 0 3 0x82 nanoslp syz-executor 24110 274552 0 0 3 0x14200 bored sosplice 20279 173358 0 0 3 0x14200 acct acct 23418 115520 81661 0 3 0x82 kqread syz-executor 81661 253007 70244 0 3 0x10008a sigsusp ksh 70244 500436 42588 0 3 0x98 kqread sshd-session 42588 247185 12395 0 3 0x92 kqread sshd-session 48441 373086 1 0 3 0x100083 ttyin getty 12395 6132 1 0 3 0x88 kqread sshd 7769 260555 15135 74 3 0x1100092 bpf pflogd 15135 390180 1 0 3 0x80 sbwait pflogd 56662 90170 2618 73 3 0x1100010 ffs_fsync syslogd 2618 213561 1 0 3 0x100082 sbwait syslogd 69070 245047 1 0 3 0x100080 kqread resolvd 28917 52003 65966 77 3 0x100092 kqread dhcpleased 1622 90219 65966 77 3 0x100092 kqread dhcpleased 65966 366161 1 0 3 0x80 kqread dhcpleased 8180 461058 0 0 3 0x14200 bored smr 47569 459681 0 0 2 0x14200 zerothread 46274 504264 0 0 3 0x14200 aiodoned aiodoned 59539 301672 0 0 3 0x14200 syncer update 81515 343323 0 0 3 0x14200 cleaner cleaner 60992 355784 0 0 3 0x14200 reaper reaper 51080 279260 0 0 3 0x14200 pgdaemon pagedaemon 5637 51273 0 0 3 0x14200 bored viomb 86070 5790 0 0 3 0x40014200 acpi0 acpi0 7281 52014 0 0 3 0x40014200 idle1 26771 395553 0 0 3 0x14200 bored softnet3 72198 512921 0 0 3 0x14200 bored softnet2 27345 133545 0 0 3 0x14200 bored softnet1 39885 108434 0 0 3 0x14200 netlock softnet0 11205 49219 0 0 3 0x14200 bored systqmp 19148 200340 0 0 3 0x14200 bored systq 63615 473477 0 0 3 0x14200 tmoslp softclockmp 754 230145 0 0 3 0x40014200 tmoslp softclock 7956 512139 0 0 3 0x40014200 idle0 1 317645 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &sched_lock r = 0 (0xffffffff835f7a98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 sleep_finish+0x1a9 sys/kern/kern_synch.c:400 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 if_input_process+0xe1 sys/net/if.c:1001 #6 ifiq_process+0xc2 sys/net/ifq.c:847 #7 taskq_thread+0x157 sys/kern/kern_task.c:448 #8 proc_trampoline+0x10 Process 42843 (syz-executor) thread 0xffff80002a03f970 (456860) exclusive rwlock sysctllk r = 0 (0xffffffff83447ae0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 42843 (syz-executor) thread 0xffff80002a03ef50 (208821) exclusive rwlock futex r = 0 (0xffffffff8345a0b0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_futex+0x69 sys/kern/sys_futex.c:98 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 81418 (syz-executor) thread 0xffff8000fffef6f0 (445435) exclusive rwlock vmmaplk r = 0 (0xfffffd806bb80988) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 #4 uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 #5 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 81418 (syz-executor) thread 0xffff80002a03ecc8 (482696) exclusive rwlock fdlock r = 0 (0xfffffd8076d8f258) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_socket+0x1f2 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 78758 (syz-executor) thread 0xffff8000fffef978 (462220) exclusive rwlock clonelk r = 0 (0xffffffff8348ddb0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 if_clone_destroy+0x67 #2 ifioctl+0x5c5 #3 sys_ioctl+0x67c #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Process 78758 (syz-executor) thread 0xffff80002a03f1d8 (294614) exclusive rwlock netlock r = 0 (0xffffffff8348de40) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 bpfioctl+0x11a1 sys/net/bpf.c:901 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #5 sys_ioctl+0x67c #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835c21a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 bpfioctl+0x11a1 sys/net/bpf.c:901 #6 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #7 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #8 sys_ioctl+0x67c #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 71488 (syz-executor) thread 0xffff8000fffee7c0 (34109) exclusive rwlock fdlock r = 0 (0xfffffd8076d8f068) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 doopenat+0x173 #2 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 56662 (syslogd) thread 0xffff8000ffffdbe8 (90170) exclusive rrwlock inode r = 0 (0xfffffd806e15c2c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #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 Process 39885 (softnet0) thread 0xffff8000ffffe000 (108434) shared rwlock softnet0 r = 0 (0xffff80000002c070) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 taskq_thread+0x12a sys/kern/kern_task.c:444 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 14445K 14510K 166960K 11598 0 pcb 18 16K 18K 166960K 125 0 rtable 237 7K 7K 166960K 614 0 pf 34 17K 22K 166960K 85 0 ifaddr 43 7K 7K 166960K 87 0 ifgroup 55 2K 2K 166960K 110 0 counters 64 36K 36K 166960K 96 0 ioctlops 0 0K 4K 166960K 1503 0 iov 0 0K 12K 166960K 9 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1396 88K 88K 166960K 1636 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 13 0 dirhash 12 2K 3K 166960K 21 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 18 65K 89K 166960K 437 0 sigio 0 0K 0K 166960K 3 0 proc 72 91K 140K 166960K 770 0 subproc 104 6K 6K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 40 0 in_multi 99 7K 7K 166960K 197 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 484 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 72K 91K 166960K 5278 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 43 86K 104K 166960K 1734 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 14 0K 2K 166960K 60 0 temp 38 6810K 6878K 166960K 16124 0 kqueue 14 22K 28K 166960K 52 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 94 0 91 2 1 1 2 0 8 0 rtentry 112 203 0 93 4 0 4 4 0 8 0 unpcb 144 314 0 293 6 3 3 4 0 8 2 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 2 0 2 2 1 1 1 0 8 1 tcpcb 808 62 0 56 2 0 2 2 0 8 1 arp 120 35 0 17 1 0 1 1 0 8 0 inpcb 336 455 0 444 17 5 12 12 0 8 10 nd6 136 49 0 25 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 ppxss 1168 5 0 5 1 1 0 1 0 8 0 pffrag 232 3 0 2 1 0 1 1 0 482 0 pffrnode 88 3 0 2 1 0 1 1 0 8 0 pffrent 40 47 0 46 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 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 1 0 1 1 1 0 1 0 8 0 pfstitem 24 47 0 14 1 0 1 1 0 8 0 pfstkey 128 47 0 14 2 0 2 2 0 8 0 pfstate 376 47 0 14 4 0 4 4 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 810 0 355 31 2 29 29 0 8 0 art_table 32 811 0 355 4 0 4 4 0 8 0 art_node 16 201 0 101 1 0 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 10 0 2 2 1 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1894 0 370 96 0 96 96 0 8 0 ffsino 272 1894 0 370 102 0 102 102 0 8 0 nchpl 144 2334 0 644 63 0 63 63 0 8 0 uvmvnodes 80 2209 0 0 46 0 46 46 0 8 0 vnodes 216 2209 0 0 123 0 123 123 0 8 0 namei 1024 8187 0 8187 5 4 1 2 0 8 1 percpumem 16 62 0 16 1 0 1 1 0 8 0 kstatmem 264 56 0 32 2 0 2 2 0 8 0 scxspl 216 9273 0 9272 3 2 1 2 1 8 0 plimitpl 152 57 0 39 1 0 1 1 0 8 0 sigapl 424 726 0 674 8 1 7 7 0 8 0 futexpl 64 2641 0 2637 2 1 1 1 0 8 0 knotepl 120 316 0 0 10 0 10 10 0 8 0 kqueuepl 216 94 0 84 3 0 3 3 0 8 2 pipepl 320 150 0 122 3 0 3 3 0 8 0 fdescpl 496 706 0 674 6 1 5 5 0 8 0 filepl 152 3322 0 3067 21 4 17 17 0 8 6 lockfpl 104 64 0 62 1 0 1 1 0 8 0 lockfspl 48 29 0 27 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 245 0 231 1 0 1 1 0 8 0 zombiepl 144 776 0 776 2 1 1 1 0 8 1 processpl 1160 726 0 674 6 1 5 5 0 8 0 procpl 648 1070 0 1006 6 0 6 6 0 8 0 srpgc 96 6 0 6 2 1 1 1 0 8 1 sockpl 664 869 0 832 24 7 17 17 0 8 13 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 233 0 0 30 0 30 30 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 295 0 0 18 0 18 18 0 8 0 bufpl 280 5176 0 98 363 0 363 363 0 8 0 anonpl 24 162067 0 158624 54 3 51 51 0 185 22 amapchunkpl 152 16873 0 16353 32 0 32 32 0 158 10 amappl16 200 3661 0 3643 6 4 2 5 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 191 0 179 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1486 0 1454 4 1 3 3 0 8 1 amappl11 160 87 0 73 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 135 0 135 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 137 0 125 1 0 1 1 0 8 0 amappl6 120 270 0 269 1 0 1 1 0 8 0 amappl5 112 192 0 181 1 0 1 1 0 8 0 amappl4 104 344 0 326 1 0 1 1 0 8 0 amappl3 96 3292 0 3175 4 0 4 4 0 8 1 amappl2 88 814 0 747 2 0 2 2 0 8 0 amappl1 80 9393 0 8826 14 0 14 14 0 8 0 amappl 88 4830 0 4651 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 705 0 674 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 705 0 674 1 0 1 1 0 8 0 vmmpekpl 168 7255 0 7211 3 0 3 3 0 8 0 vmmpepl 168 51782 0 49933 90 1 89 89 0 357 6 vmsppl 440 704 0 674 6 2 4 5 0 8 0 rwobjpl 56 20642 0 17504 46 1 45 45 0 8 0 pdppl 4096 1417 0 1348 123 46 77 83 0 8 8 pvpl 32 26481 0 0 214 0 214 214 0 265 0 pmappl 248 704 0 674 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 439 0 63 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x72d7764d0250, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,20) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x524 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(65) at db_putchar+0x524 sys/ddb/db_output.c:153 kprintf() at kprintf+0x2aba sys/kern/subr_prf.c:1065 db_printf(ffffffff83094599) at db_printf+0x9b fault(ffffffff8303fd49) at fault+0xa7 sys/arch/amd64/amd64/trap.c:157 kpageflttrap(ffff8000371ee7b0,28) at kpageflttrap+0x385 sys/arch/amd64/amd64/trap.c:290 kerntrap(ffff8000371ee7b0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b bpfioctl(61700,20004269,ffff8000371eeaa0,1,ffff80002a03f1d8) at bpfioctl+0x11ae sys/net/bpf.c:901 end trace frame: 0xffff8000371ee980, count: 0 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,20) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x524 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(65) at db_putchar+0x524 sys/ddb/db_output.c:153 kprintf() at kprintf+0x2aba sys/kern/subr_prf.c:1065 db_printf(ffffffff83094599) at db_printf+0x9b fault(ffffffff8303fd49) at fault+0xa7 sys/arch/amd64/amd64/trap.c:157 kpageflttrap(ffff8000371ee7b0,28) at kpageflttrap+0x385 sys/arch/amd64/amd64/trap.c:290 kerntrap(ffff8000371ee7b0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b bpfioctl(61700,20004269,ffff8000371eeaa0,1,ffff80002a03f1d8) at bpfioctl+0x11ae sys/net/bpf.c:901 VOP_IOCTL(fffffd80687dd2b0,20004269,ffff8000371eeaa0,1,fffffd807f7d3208,ffff80002a03f1d8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806e833008,20004269,ffff8000371eeaa0,ffff80002a03f1d8) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a03f1d8,ffff8000371eec80,ffff8000371eebd0) at sys_ioctl+0x67c syscall(ffff8000371eec80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371eec80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd9ab5dc22b0, count: -19