uvm_fault(0xffffffff8254c078, 0xffff800000aca000, 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(0xffffffff8254c078, 0xffff800000aca000, 0, 1) -> e uvm_unmap_remove(ffff800000ac9f00,0,1000,ffff80001491a1d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ac9f00,0,1000,ffff80001491a1d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff80001491a280, count: 0 ddb> trace uvm_unmap_remove(ffff800000ac9f00,0,1000,ffff80001491a1d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ac9f00,0,1000,ffff80001491a1d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000ac9f00,0,7,fffffd803f011440,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800016b43450,ffff8000ffff8008) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000ac8000,ffff8000ffff8008) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ac8000,ffff8000ffff8008) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803ca1a5b0,c5005601,ffff800000ac8000,1,fffffd803f7c6ba0,ffff8000ffff8008) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803755b5a0,c5005601,ffff800000ac8000,ffff8000ffff8008) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff8008,ffff80001491a628,ffff80001491a670) at sys_ioctl+0x5b9 syscall(ffff80001491a6f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1bd2cecd9e0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001491a1a0 rbx 0 rdx 0x36a rcx 0xffff800014923000 rax 0xffff800000ac9f00 r8 0 r9 0x1 r10 0xb4f34e6f19ade6f9 r11 0xe3fd9ad54543c6bf r12 0 r13 0xfffffd803d55ad60 r14 0x1000 __ALIGN_SIZE r15 0xffff800000ac9f00 rip 0xffffffff8190b8ab uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001491a0f0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=326569 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8518,0xffff8000ffff8a38 process=0xffff8000ffff6710 user=0xffff800014915000, vmspace=0xfffffd803f011440 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 3546 73577 52863 0 3 0x1 inode syz-executor.0 3546 232932 52863 0 2 0x4000000 syz-executor.0 11633 369798 68090 0 2 0 syz-executor.1 *11633 326569 68090 0 7 0x4000000 syz-executor.1 11633 311318 68090 0 3 0x4000080 fsleep syz-executor.1 52863 428942 2312 0 3 0x82 nanosleep syz-executor.0 68090 344842 2312 0 3 0x82 nanosleep syz-executor.1 2312 151228 28594 0 3 0x82 thrsleep syz-fuzzer 2312 475039 28594 0 3 0x4000082 thrsleep syz-fuzzer 2312 109833 28594 0 3 0x4000082 kqread syz-fuzzer 2312 450361 28594 0 3 0x4000082 thrsleep syz-fuzzer 2312 96573 28594 0 3 0x4000082 thrsleep syz-fuzzer 2312 508135 28594 0 3 0x4000082 thrsleep syz-fuzzer 2312 482252 28594 0 3 0x4000082 thrsleep syz-fuzzer 28594 86055 10832 0 3 0x10008a pause ksh 10832 175143 35985 0 3 0x92 select sshd 41573 22710 1 0 3 0x100083 ttyin getty 35985 191846 1 0 3 0x80 select sshd 87773 133575 60164 73 3 0x100090 kqread syslogd 60164 106253 1 0 3 0x100082 netio syslogd 6108 13965 0 0 2 0x14200 zerothread 44156 95244 0 0 3 0x14200 aiodoned aiodoned 48179 102316 0 0 3 0x14200 syncer update 15508 449375 0 0 3 0x14200 cleaner cleaner 44263 377852 0 0 3 0x14200 reaper reaper 70348 382042 0 0 3 0x14200 pgdaemon pagedaemon 23911 239245 0 0 3 0x14200 bored crynlk 75807 490522 0 0 3 0x14200 bored crypto 5331 171310 0 0 3 0x40014200 acpi0 acpi0 11260 440095 0 0 3 0x14200 bored softnet 89743 100183 0 0 3 0x14200 bored systqmp 47549 319686 0 0 3 0x14200 bored systq 11721 54719 0 0 3 0x40014200 bored softclock 55564 180357 0 0 3 0x40014200 idle0 31355 315228 0 0 3 0x14200 bored smr 1 226769 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 9458 6264K 6781K 78643K 10817 0 pcb 13 8K 8K 78643K 53 0 rtable 110 3K 4K 78643K 206 0 ifaddr 54 12K 12K 78643K 72 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 21 0 iov 0 0K 16K 78643K 78 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1302 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 5 1K 1K 78643K 6 0 sem 12 0K 1K 78643K 31 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 125 0 sigio 0 0K 0K 78643K 2 0 proc 43 30K 54K 78643K 362 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 12 0 in_multi 52 2K 2K 78643K 52 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 48 212K 212K 78643K 48 0 exec 0 0K 1K 78643K 191 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 38K 47K 78643K 1176 0 UVM aobj 4 2K 2K 78643K 6 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 7 0K 0K 78643K 14 0 temp 106 3556K 3621K 78643K 16065 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 6 0 0 1 0 1 1 0 8 0 rtpcb 96 72 0 72 1 0 1 1 0 8 1 rtentry 112 46 0 1 2 0 2 2 0 8 0 unpcb 120 87 0 81 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 192 0 192 1 1 0 1 0 8 0 tcpcb 640 44 0 40 1 0 1 1 0 8 0 inpcb 280 227 0 221 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 ppxss 1128 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 218 0 0 14 0 14 14 0 8 0 art_table 32 220 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 45 0 20 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 29 0 19 1 0 1 1 0 8 0 shmpl 112 4 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1577 0 179 46 0 46 46 0 8 0 ffsino 240 1577 0 179 83 0 83 83 0 8 0 nchpl 144 1955 0 345 60 0 60 60 0 8 0 uvmvnodes 72 1676 0 0 31 0 31 31 0 8 0 vnodes 208 1676 0 0 89 0 89 89 0 8 0 namei 1024 4914 0 4914 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 520 4 0 1 1 0 1 1 0 8 0 scxspl 208 5862 0 5862 8 1 7 7 0 8 7 plimitpl 152 20 0 14 1 0 1 1 0 8 0 sigapl 432 295 0 283 2 0 2 2 0 8 0 futexpl 56 3127 0 3126 1 0 1 1 0 8 0 knotepl 112 116 0 97 3 0 3 3 0 8 2 kqueuepl 104 47 0 45 1 0 1 1 0 8 0 pipepl 128 194 0 175 2 1 1 2 0 8 0 fdescpl 424 296 0 283 2 0 2 2 0 8 0 filepl 120 1932 0 1841 4 0 4 4 0 8 1 lockfpl 104 57 0 57 1 0 1 1 0 8 1 lockfspl 48 22 0 22 1 0 1 1 0 8 1 sessionpl 128 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 96 124 0 118 1 0 1 1 0 8 0 zombiepl 144 283 0 283 1 0 1 1 0 8 1 processpl 896 310 0 283 4 0 4 4 0 8 0 procpl 648 454 0 418 4 0 4 4 0 8 1 sockpl 384 388 0 376 3 0 3 3 0 8 1 mcl64k 65536 6 0 6 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 5 0 5 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 5 0 5 1 0 1 1 0 8 1 mcl4k 4096 24 0 24 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 67922 0 67893 14 7 7 11 0 8 2 mtagpl 80 11 0 2 2 1 1 1 0 8 0 mbufpl 256 107858 0 107758 12 4 8 8 0 8 0 bufpl 280 6832 0 1989 351 0 351 351 0 8 4 anonpl 16 55213 0 35374 97 1 96 96 0 62 15 amapchunkpl 152 1914 0 1742 13 0 13 13 0 158 6 amappl16 192 1786 0 703 63 0 63 63 0 8 8 amappl14 176 99 0 89 1 0 1 1 0 8 0 amappl12 160 8 0 8 1 1 0 1 0 8 0 amappl11 152 44 0 40 1 0 1 1 0 8 0 amappl10 144 9 0 6 1 0 1 1 0 8 0 amappl9 136 608 0 603 1 0 1 1 0 8 0 amappl8 128 206 0 174 2 0 2 2 0 8 0 amappl7 120 33 0 30 1 0 1 1 0 8 0 amappl6 112 55 0 47 1 0 1 1 0 8 0 amappl5 104 135 0 128 1 0 1 1 0 8 0 amappl4 96 464 0 440 1 0 1 1 0 8 0 amappl3 88 211 0 201 1 0 1 1 0 8 0 amappl2 80 1583 0 1515 3 1 2 3 0 8 0 amappl1 72 14827 0 14426 26 16 10 20 0 8 0 amappl 80 710 0 664 2 0 2 2 0 84 1 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 5 0 2 1 0 1 1 0 8 0 uaddrrnd 24 300 0 283 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 300 0 283 1 0 1 1 0 8 0 vmmpekpl 168 6278 0 6253 2 0 2 2 0 8 0 vmmpepl 168 43330 0 41145 142 11 131 134 0 357 36 vmsppl 272 295 0 283 2 1 1 2 0 8 0 pdppl 4096 606 0 570 6 1 5 6 0 8 0 pvpl 32 160119 0 137512 220 0 220 220 0 265 37 pmappl 200 299 0 284 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 144 0 16 4 0 4 4 0 8 0