uvm_fault(0xffffffff824f9f80, 0xffff800000a62000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at uvm_unmap_remove+0x3ef: movq 0x100(%rax),%r12 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff824f9f80, 0xffff800000a62000, 0, 1) -> e uvm_unmap_remove(ffff800000a61f00,0,80000000,ffff8000148dfaa8,1,0) at uvm_unmap_remove+0x3ef uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000a61f00,0,80000000,ffff8000148dfaa8,1,0) at uvm_unmap_remove+0x3ef sys/uvm/uvm_map.c:2215 end trace frame: 0xffff8000148dfae0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a61f00,0,80000000,ffff8000148dfaa8,1,0) at uvm_unmap_remove+0x3ef uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000a61f00,0,80000000,ffff8000148dfaa8,1,0) at uvm_unmap_remove+0x3ef sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000a61f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001488f658,ffff8000ffff4500) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a38800,ffff8000ffff4500) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a38800,ffff8000ffff4500) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803d5ef1a0,c5005601,ffff800000a38800,1,fffffd803f7c6900,ffff8000ffff4500) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd803610a4b8,c5005601,ffff800000a38800,ffff8000ffff4500) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff4500,ffff8000148dfe88,ffff8000148dfef0) at sys_ioctl+0x5b8 syscall(ffff8000148dff50) at syscall+0x508 Xsyscall(6,0,2e3,0,2f,0) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd4830, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000148dfa90 rbx 0 rdx 0 rcx 0 rax 0xffff800000a61f00 r8 0x1 r9 0 r10 0x21339893c0af04a4 r11 0xd10a6daeea793966 r12 0xfffffd8035cb3e80 r13 0x80000000 __kernel_virt_to_phys r14 0 r15 0 rip 0xffffffff81f92e3f uvm_unmap_remove+0x3ef cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000148df9e0 ss 0x10 uvm_unmap_remove+0x3ef: movq 0x100(%rax),%r12 ddb> show proc PROC (syz-executor2181) pid=261152 stat=onproc flags process=0 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff53d0,0xffffffff82583dc8 process=0xffff8000148a2378 user=0xffff8000148db000, vmspace=0xfffffd803f013aa0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *42558 261152 86080 0 7 0 syz-executor2181 86080 87691 60663 0 3 0x82 nanosleep syz-executor2181 60663 422924 41390 0 3 0x10008a pause ksh 41390 451777 8262 0 2 0x12 sshd 77892 400786 1 0 3 0x100083 ttyin getty 8262 417502 1 0 3 0x80 select sshd 48534 237851 98936 73 2 0x100090 syslogd 98936 204123 1 0 3 0x100082 netio syslogd 89666 16148 1 77 3 0x100090 poll dhclient 15961 286044 1 0 3 0x80 poll dhclient 36552 281338 0 0 2 0x14200 zerothread 77672 249414 0 0 3 0x14200 aiodoned aiodoned 49611 162849 0 0 3 0x14200 syncer update 84309 125875 0 0 3 0x14200 cleaner cleaner 10405 432666 0 0 3 0x14200 reaper reaper 12605 174526 0 0 3 0x14200 pgdaemon pagedaemon 72046 510273 0 0 3 0x14200 bored crynlk 75395 174347 0 0 3 0x14200 bored crypto 94721 137129 0 0 3 0x40014200 acpi0 acpi0 14037 290951 0 0 3 0x14200 bored softnet 55364 366986 0 0 3 0x14200 bored systqmp 15307 8119 0 0 3 0x14200 bored systq 38895 349467 0 0 3 0x40014200 bored softclock 2664 373010 0 0 3 0x40014200 idle0 719 354046 0 0 3 0x14200 bored smr 1 366328 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9428 6307K 6308K 78643K 10521 0 0 pcb 13 8K 8K 78643K 13 0 0 rtable 61 1K 2K 78643K 115 0 0 ifaddr 21 7K 7K 78643K 21 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 66 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1180 74K 74K 78643K 1185 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 3 0K 0K 78643K 55 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 1 0K 0K 78643K 1 0 0 proc 40 30K 38K 78643K 257 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 11 0K 0K 78643K 11 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 152 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 53 3K 3K 78643K 773 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 3 0K 0K 78643K 3 0 0 temp 70 3525K 3579K 78643K 1759 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 2 0 0 1 0 1 1 0 8 0 rtpcb 80 15 0 13 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 120 27 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 22 0 16 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1391 0 16 45 0 45 45 0 8 0 ffsino 240 1391 0 16 81 0 81 81 0 8 0 nchpl 144 1578 0 43 57 0 57 57 0 8 0 uvmvnodes 72 1400 0 0 26 0 26 26 0 8 0 vnodes 200 1400 0 0 74 0 74 74 0 8 0 namei 1024 3508 0 3508 2 1 1 1 0 8 1 vmpool 520 53 0 52 1 0 1 1 0 8 0 scxspl 192 2769 0 2769 9 7 2 7 0 8 2 plimitpl 152 13 0 8 1 0 1 1 0 8 0 sigapl 432 229 0 218 2 0 2 2 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 104 1 0 0 1 0 1 1 0 8 0 pipepl 112 118 0 111 2 1 1 1 0 8 0 fdescpl 424 230 0 218 2 0 2 2 0 8 0 filepl 120 891 0 848 2 0 2 2 0 8 0 lockfpl 104 111 0 110 2 1 1 1 0 8 0 lockfspl 48 56 0 55 2 1 1 1 0 8 0 sessionpl 112 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 218 0 218 2 1 1 1 0 8 1 processpl 864 244 0 218 4 0 4 4 0 8 0 procpl 632 244 0 218 3 0 3 3 0 8 0 sockpl 384 64 0 48 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 2 1 1 1 0 8 1 mcl2k 2048 5976 0 5948 7 1 6 6 0 8 2 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 10359 0 10319 5 1 4 4 0 8 1 bufpl 256 2093 0 262 115 0 115 115 0 8 0 anonpl 16 19642 0 18499 7 2 5 7 0 62 0 amapchunkpl 152 627 0 591 2 0 2 2 0 158 0 amappl16 192 125 0 118 1 0 1 1 0 8 0 amappl14 176 36 0 32 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 41 0 30 1 0 1 1 0 8 0 amappl10 144 44 0 44 2 1 1 1 0 8 1 amappl9 136 378 0 377 1 0 1 1 0 8 0 amappl8 128 82 0 78 1 0 1 1 0 8 0 amappl7 120 17 0 16 1 0 1 1 0 8 0 amappl6 112 41 0 37 1 0 1 1 0 8 0 amappl5 104 197 0 186 1 0 1 1 0 8 0 amappl4 96 397 0 376 1 0 1 1 0 8 0 amappl3 88 147 0 136 1 0 1 1 0 8 0 amappl2 80 672 0 625 3 1 2 2 0 8 0 amappl1 72 12239 0 11855 16 6 10 16 0 8 0 amappl 80 438 0 418 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 283 0 218 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 283 0 218 1 0 1 1 0 8 0 vmmpekpl 168 5425 0 5409 1 0 1 1 0 8 0 vmmpepl 168 26522 0 25768 53 17 36 48 0 357 2 vmsppl 272 229 0 218 1 0 1 1 0 8 0 pdppl 4096 572 0 540 5 0 5 5 0 8 0 pvpl 32 73940 0 71187 34 8 26 27 0 265 3 pmappl 200 282 0 270 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 232 0 6 7 0 7 7 0 8 0 ddb>