uvm_fault(0xffffffff82513c48, 0xffff800000ad2000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff82513c48, 0xffff800000ad2000, 0, 1) -> e uvm_unmap_remove(ffff800000ad1f00,0,1000000,ffff800017955c30,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ad1f00,0,1000000,ffff800017955c30,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800017955ce0, count: 0 ddb> trace uvm_unmap_remove(ffff800000ad1f00,0,1000000,ffff800017955c30,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ad1f00,0,1000000,ffff800017955c30,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000ad1f00,0,7,fffffd803f012440,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff800017961c78,ffff800014914cc0) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000ab8000,ffff800014914cc0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ab8000,ffff800014914cc0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803eb66340,c5005601,ffff800000ab8000,1,fffffd803f7c69c0,ffff800014914cc0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8036215da0,c5005601,ffff800000ab8000,ffff800014914cc0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800014914cc0,ffff800017956088,ffff8000179560d0) at sys_ioctl+0x5b9 syscall(ffff800017956150) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4a7e53dcb70, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017955c00 rbx 0 rdx 0x5f5 rcx 0xffff800014921000 rax 0xffff800000ad1f00 r8 0 r9 0x1 r10 0x6b95c0be9c5d3225 r11 0xb2b95630594871b1 r12 0 r13 0xfffffd802e80e0e0 r14 0x1000 __ALIGN_SIZE r15 0xffff800000ad1f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017955b50 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=327578 stat=onproc flags process=0 proc=4000000 pri=71, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff8000149156e0,0xffffffff825b8d60 process=0xffff8000ffff7c10 user=0xffff800017951000, vmspace=0xfffffd803f012440 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 64823 192137 18827 0 2 0 syz-executor.1 *64823 327578 18827 0 7 0x4000000 syz-executor.1 87414 37404 17059 0 2 0 syz-executor.0 87414 505209 17059 0 3 0x4000080 fsleep syz-executor.0 17059 299536 55178 0 3 0x82 nanosleep syz-executor.0 46559 514285 0 0 3 0x14200 bored sosplice 18827 112345 55178 0 3 0x82 nanosleep syz-executor.1 55178 2744 81433 0 3 0x82 thrsleep syz-fuzzer 55178 203577 81433 0 3 0x4000082 thrsleep syz-fuzzer 55178 283195 81433 0 3 0x4000082 thrsleep syz-fuzzer 55178 271096 81433 0 3 0x4000082 thrsleep syz-fuzzer 55178 507013 81433 0 3 0x4000082 kqread syz-fuzzer 55178 145949 81433 0 3 0x4000082 thrsleep syz-fuzzer 55178 130466 81433 0 3 0x4000082 thrsleep syz-fuzzer 55178 1939 81433 0 3 0x4000082 thrsleep syz-fuzzer 81433 176856 59409 0 3 0x10008a pause ksh 59409 117337 31965 0 3 0x92 select sshd 27844 286017 1 0 3 0x100083 ttyin getty 31965 84973 1 0 3 0x80 select sshd 24390 288163 48372 73 3 0x100090 kqread syslogd 48372 149712 1 0 3 0x100082 netio syslogd 57483 523520 1 77 3 0x100090 poll dhclient 37773 356557 1 0 3 0x80 poll dhclient 98747 71514 0 0 2 0x14200 zerothread 19791 141972 0 0 3 0x14200 aiodoned aiodoned 52512 115317 0 0 3 0x14200 syncer update 11645 211883 0 0 3 0x14200 cleaner cleaner 51488 480957 0 0 3 0x14200 reaper reaper 16416 240412 0 0 3 0x14200 pgdaemon pagedaemon 3266 339757 0 0 3 0x14200 bored crynlk 6011 402318 0 0 3 0x14200 bored crypto 27326 45543 0 0 3 0x40014200 acpi0 acpi0 61785 397346 0 0 3 0x14200 bored softnet 22685 27297 0 0 3 0x14200 bored systqmp 48561 54020 0 0 3 0x14200 bored systq 45919 74699 0 0 3 0x40014200 bored softclock 93739 355867 0 0 3 0x40014200 idle0 24972 314386 0 0 3 0x14200 bored smr 1 162456 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 devbuf 9485 6338K 7043K 78643K 11005 0 pcb 13 8K 8K 78643K 79 0 rtable 114 8K 8K 78643K 304 0 ifaddr 64 13K 14K 78643K 106 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 24 0 iov 0 0K 32K 78643K 38 0 mount 1 1K 1K 78643K 1 0 vnodes 1227 77K 77K 78643K 1427 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 3 0K 0K 78643K 6 0 sem 12 0K 0K 78643K 48 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 239 0 sigio 0 0K 0K 78643K 8 0 proc 48 38K 63K 78643K 411 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 20 0 in_multi 46 2K 2K 78643K 59 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 54 238K 238K 78643K 54 0 exec 0 0K 1K 78643K 220 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 112 22K 23K 78643K 1437 0 UVM aobj 22 2K 2K 78643K 22 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 36 0 NDP 10 0K 0K 78643K 22 0 temp 126 3562K 3630K 78643K 17317 0 kqueue 0 0K 0K 78643K 2 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 9 0 3 1 0 1 1 0 8 0 rtpcb 96 33 0 31 1 0 1 1 0 8 0 rtentry 112 58 0 14 2 0 2 2 0 8 0 unpcb 120 123 0 115 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 411 0 411 1 1 0 1 0 8 0 tcpcb 640 86 0 82 2 0 2 2 0 8 1 inpcb 280 293 0 285 2 0 2 2 0 8 1 rttmr 72 2 0 2 1 0 1 1 0 8 1 nd6 48 6 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 255 0 43 14 0 14 14 0 8 0 art_table 32 256 0 43 2 0 2 2 0 8 0 art_node 16 57 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 49 0 33 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 46 0 36 1 0 1 1 0 8 0 shmpl 112 20 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1783 0 384 46 0 46 46 0 8 0 ffsino 240 1783 0 384 83 0 83 83 0 8 0 nchpl 144 2308 0 710 60 0 60 60 0 8 0 uvmvnodes 72 1939 0 0 36 0 36 36 0 8 0 vnodes 208 1939 0 0 103 0 103 103 0 8 0 namei 1024 6758 0 6758 2 1 1 1 0 8 1 vmpool 520 4 0 3 2 1 1 1 0 8 0 scxspl 208 7094 0 7094 9 6 3 7 0 8 3 plimitpl 152 34 0 27 1 0 1 1 0 8 0 sigapl 432 406 0 392 2 0 2 2 0 8 0 futexpl 56 5743 0 5742 1 0 1 1 0 8 0 knotepl 112 131 0 112 1 0 1 1 0 8 0 kqueuepl 104 106 0 104 1 0 1 1 0 8 0 pipepl 128 278 0 259 2 0 2 2 0 8 1 fdescpl 424 407 0 392 2 0 2 2 0 8 0 filepl 120 3166 0 3062 5 0 5 5 0 8 1 lockfpl 104 133 0 132 1 0 1 1 0 8 0 lockfspl 48 40 0 39 1 0 1 1 0 8 0 sessionpl 128 18 0 8 1 0 1 1 0 8 0 pgrppl 48 28 0 18 1 0 1 1 0 8 0 ucredpl 96 726 0 719 1 0 1 1 0 8 0 zombiepl 144 392 0 392 2 1 1 1 0 8 1 processpl 896 422 0 392 4 0 4 4 0 8 0 procpl 648 695 0 656 5 0 5 5 0 8 1 sockpl 384 455 0 437 4 0 4 4 0 8 2 mcl64k 65536 7 0 7 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 6 0 6 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 1 0 1 1 0 8 1 mcl4k 4096 65 0 65 2 1 1 1 0 8 1 mcl2k2 2112 5 0 5 1 1 0 1 0 8 0 mcl2k 2048 67512 0 67476 20 14 6 16 0 8 0 mtagpl 80 11 0 11 2 1 1 1 0 8 1 mbufpl 256 108990 0 108915 16 4 12 13 0 8 3 bufpl 280 6769 0 1860 351 0 351 351 0 8 0 anonpl 16 60986 0 43924 96 6 90 94 0 62 10 amapchunkpl 152 1906 0 1756 8 1 7 8 0 158 1 amappl16 192 2471 0 1343 66 7 59 66 0 8 2 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 51 0 46 1 0 1 1 0 8 0 amappl13 168 46 0 44 1 0 1 1 0 8 0 amappl12 160 4 0 4 1 1 0 1 0 8 0 amappl11 152 49 0 38 1 0 1 1 0 8 0 amappl10 144 7 0 6 1 0 1 1 0 8 0 amappl9 136 629 0 626 1 0 1 1 0 8 0 amappl8 128 208 0 182 1 0 1 1 0 8 0 amappl7 120 40 0 36 1 0 1 1 0 8 0 amappl6 112 61 0 54 1 0 1 1 0 8 0 amappl5 104 144 0 134 1 0 1 1 0 8 0 amappl4 96 616 0 590 1 0 1 1 0 8 0 amappl3 88 116 0 111 1 0 1 1 0 8 0 amappl2 80 2421 0 2343 3 1 2 3 0 8 0 amappl1 72 17207 0 16780 27 18 9 20 0 8 0 amappl 80 942 0 897 2 0 2 2 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 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 64 21 0 0 1 0 1 1 0 8 0 uaddrrnd 24 411 0 392 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 411 0 392 1 0 1 1 0 8 0 vmmpekpl 168 6886 0 6855 2 0 2 2 0 8 0 vmmpepl 168 58192 0 55899 155 16 139 139 0 357 39 vmsppl 272 406 0 392 2 1 1 2 0 8 0 pdppl 4096 828 0 790 6 1 5 6 0 8 0 pvpl 32 192258 0 172041 221 4 217 221 0 265 32 pmappl 200 410 0 395 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 154 0 24 4 0 4 4 0 8 0