uvm_fault(0xffffffff82513c48, 0xffff800000aa1000, 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, 0xffff800000aa1000, 0, 1) -> e uvm_unmap_remove(ffff800000aa0f00,0,1ef000,ffff8000169876d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa0f00,0,1ef000,ffff8000169876d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800016987780, count: 0 ddb> trace uvm_unmap_remove(ffff800000aa0f00,0,1ef000,ffff8000169876d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa0f00,0,1ef000,ffff8000169876d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000aa0f00,0,7,fffffd803f012220,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff80001594e820,ffff8000ffff8a28) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000acb800,ffff8000ffff8a28) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000acb800,ffff8000ffff8a28) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd8037dbda90,c5005601,ffff800000acb800,1,fffffd803f7c6960,ffff8000ffff8a28) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803755b870,c5005601,ffff800000acb800,ffff8000ffff8a28) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff8a28,ffff800016987b28,ffff800016987b70) at sys_ioctl+0x5b9 syscall(ffff800016987bf0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9dc779cb460, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000169876a0 rbx 0 rdx 0x2707 __ALIGN_SIZE+0x1707 rcx 0xffff800017b47000 rax 0xffff800000aa0f00 r8 0 r9 0x1 r10 0xafe068de1a923d0d r11 0x794bff2ff285e13a r12 0 r13 0xfffffd802e309390 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000aa0f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000169875f0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=321830 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffffffff825b8d60 process=0xffff8000ffff6a90 user=0xffff800016982000, vmspace=0xfffffd803f012220 estcpu=36, cpticks=61, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 34016 44041 87188 0 2 0 syz-executor.0 *34016 321830 87188 0 7 0x4000000 syz-executor.0 87188 165241 97935 0 3 0x82 nanosleep syz-executor.0 33935 149717 0 0 3 0x14200 acct acct 31939 309990 0 0 3 0x14200 bored sosplice 42801 300573 97935 0 2 0x2 syz-executor.1 97935 253673 85824 0 3 0x82 thrsleep syz-fuzzer 97935 215483 85824 0 3 0x4000082 thrsleep syz-fuzzer 97935 518210 85824 0 3 0x4000082 thrsleep syz-fuzzer 97935 207275 85824 0 3 0x4000082 thrsleep syz-fuzzer 97935 523626 85824 0 3 0x4000082 thrsleep syz-fuzzer 97935 219548 85824 0 3 0x4000082 thrsleep syz-fuzzer 97935 320878 85824 0 3 0x4000082 thrsleep syz-fuzzer 97935 256721 85824 0 3 0x4000082 kqread syz-fuzzer 85824 259859 15461 0 3 0x10008a pause ksh 15461 192391 64323 0 3 0x92 select sshd 8686 346920 1 0 3 0x100083 ttyin getty 64323 416284 1 0 3 0x80 select sshd 30547 258059 90758 73 2 0x100010 syslogd 90758 321199 1 0 3 0x100082 netio syslogd 32763 505976 0 0 2 0x14200 zerothread 51344 33741 0 0 3 0x14200 aiodoned aiodoned 51016 49943 0 0 3 0x14200 syncer update 57276 179044 0 0 3 0x14200 cleaner cleaner 25100 112642 0 0 3 0x14200 reaper reaper 67124 209573 0 0 3 0x14200 pgdaemon pagedaemon 27505 278600 0 0 3 0x14200 bored crynlk 56828 397251 0 0 3 0x14200 bored crypto 4481 393952 0 0 3 0x40014200 acpi0 acpi0 67774 237570 0 0 3 0x14200 bored softnet 95241 354377 0 0 3 0x14200 bored systqmp 7562 32900 0 0 3 0x14200 bored systq 42614 177082 0 0 3 0x40014200 bored softclock 19108 391721 0 0 3 0x40014200 idle0 39273 178146 0 0 3 0x14200 bored smr 1 143854 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 9496 6287K 6921K 78643K 11630 0 pcb 13 8K 8K 78643K 95 0 rtable 108 3K 4K 78643K 300 0 ifaddr 72 14K 14K 78643K 162 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 51 0 iov 0 0K 24K 78643K 156 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1594 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 7 1K 1K 78643K 10 0 sem 12 0K 1K 78643K 163 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 475 0 sigio 0 0K 0K 78643K 16 0 proc 44 30K 54K 78643K 507 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 91 0 in_multi 61 3K 3K 78643K 125 0 ether_multi 1 0K 0K 78643K 9 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 60 265K 265K 78643K 60 0 exec 0 0K 1K 78643K 242 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 107 54K 55K 78643K 2044 0 UVM aobj 69 3K 3K 78643K 69 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 81 0 NDP 12 0K 0K 78643K 36 0 temp 135 3563K 3634K 78643K 44906 0 kqueue 0 0K 0K 78643K 4 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 12 0 6 1 0 1 1 0 8 0 rtpcb 96 51 0 51 3 2 1 1 0 8 1 rtentry 112 84 0 40 2 0 2 2 0 8 0 unpcb 120 458 0 452 1 0 1 1 0 8 0 syncache 280 5 0 5 2 2 0 1 0 8 0 tcpqe 32 294 0 294 1 1 0 1 0 8 0 tcpcb 640 490 0 486 4 2 2 2 0 8 1 ipq 40 5 0 5 3 2 1 1 0 8 1 ipqe 40 139 0 139 3 2 1 1 0 8 1 inpcb 280 1002 0 998 4 2 2 2 0 8 1 nd6 48 12 0 8 1 0 1 1 0 8 0 pkpcb 40 8 0 8 3 2 1 1 0 8 1 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 8 0 8 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 392 0 172 15 0 15 15 0 8 0 art_table 32 393 0 172 2 0 2 2 0 8 0 art_node 16 83 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 6 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 161 0 151 1 0 1 1 0 8 0 shmpl 112 67 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2113 0 714 46 0 46 46 0 8 0 ffsino 240 2113 0 714 83 0 83 83 0 8 0 nchpl 144 3101 0 1499 60 0 60 60 0 8 0 uvmvnodes 72 2425 0 0 45 0 45 45 0 8 0 vnodes 208 2425 0 0 128 0 128 128 0 8 0 namei 1024 9175 0 9175 2 1 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 520 8 0 3 1 0 1 1 0 8 0 scxspl 208 10300 0 10300 11 8 3 7 0 8 3 plimitpl 152 51 0 45 1 0 1 1 0 8 0 sigapl 432 639 0 628 2 0 2 2 0 8 0 futexpl 56 15105 0 15105 2 1 1 1 0 8 1 knotepl 112 119 0 100 1 0 1 1 0 8 0 kqueuepl 104 129 0 125 1 0 1 1 0 8 0 pipepl 128 554 0 535 4 2 2 2 0 8 1 fdescpl 424 640 0 628 2 0 2 2 0 8 0 filepl 120 5439 0 5350 6 1 5 5 0 8 2 lockfpl 104 243 0 243 2 1 1 1 0 8 1 lockfspl 48 76 0 76 2 1 1 1 0 8 1 sessionpl 128 19 0 11 1 0 1 1 0 8 0 pgrppl 48 31 0 23 1 0 1 1 0 8 0 ucredpl 96 470 0 464 1 0 1 1 0 8 0 zombiepl 144 630 0 630 1 0 1 1 0 8 1 processpl 896 658 0 630 4 0 4 4 0 8 0 procpl 648 1217 0 1181 4 0 4 4 0 8 0 sosppl 144 3 0 3 2 2 0 1 0 8 0 sockpl 384 1521 0 1511 8 4 4 5 0 8 2 mcl64k 65536 162 0 162 9 5 4 4 0 8 4 mcl16k 16384 5 0 5 2 2 0 1 0 8 0 mcl12k 12288 29 0 29 2 1 1 1 0 8 1 mcl9k 9216 10 0 10 3 2 1 1 0 8 1 mcl8k 8192 28 0 28 2 1 1 1 0 8 1 mcl4k 4096 70 0 70 3 2 1 1 0 8 1 mcl2k2 2112 2 0 2 2 1 1 1 0 8 1 mcl2k 2048 68442 0 68420 18 14 4 14 0 8 1 mtagpl 80 24 0 9 2 1 1 1 0 8 0 mbufpl 256 113218 0 113133 31 16 15 23 0 8 6 bufpl 280 8024 0 2964 362 0 362 362 0 8 0 anonpl 16 124877 0 101162 120 23 97 97 0 62 0 amapchunkpl 152 3865 0 3706 19 8 11 14 0 158 4 amappl16 192 5371 0 4011 94 25 69 70 0 8 0 amappl15 184 49 0 49 1 0 1 1 0 8 1 amappl14 176 66 0 60 1 0 1 1 0 8 0 amappl13 168 11 0 9 1 0 1 1 0 8 0 amappl12 160 55 0 52 1 0 1 1 0 8 0 amappl11 152 56 0 52 1 0 1 1 0 8 0 amappl10 144 10 0 10 1 1 0 1 0 8 0 amappl9 136 925 0 920 1 0 1 1 0 8 0 amappl8 128 513 0 487 2 0 2 2 0 8 0 amappl7 120 44 0 39 1 0 1 1 0 8 0 amappl6 112 63 0 51 1 0 1 1 0 8 0 amappl5 104 206 0 197 1 0 1 1 0 8 0 amappl4 96 815 0 791 1 0 1 1 0 8 0 amappl3 88 182 0 176 1 0 1 1 0 8 0 amappl2 80 4172 0 4114 3 1 2 3 0 8 0 amappl1 72 20982 0 20599 26 17 9 20 0 8 0 amappl 80 1502 0 1460 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 68 0 0 2 0 2 2 0 8 0 uaddrrnd 24 648 0 628 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 648 0 628 1 0 1 1 0 8 0 vmmpekpl 168 8544 0 8519 2 0 2 2 0 8 0 vmmpepl 168 87358 0 84972 186 50 136 177 0 357 28 vmsppl 272 639 0 628 2 1 1 2 0 8 0 pdppl 4096 1302 0 1266 6 1 5 6 0 8 0 pvpl 32 298851 0 271666 253 32 221 224 0 265 0 pmappl 200 647 0 631 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 179 0 45 5 1 4 5 0 8 0