uvm_fault(0xffffffff8254c078, 0xffff800000ade000, 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, 0xffff800000ade000, 0, 1) -> e uvm_unmap_remove(ffff800000addf00,0,1000000,ffff800016b48700,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000addf00,0,1000000,ffff800016b48700,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800016b487b0, count: 0 ddb> trace uvm_unmap_remove(ffff800000addf00,0,1000000,ffff800016b48700,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000addf00,0,1000000,ffff800016b48700,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000addf00,0,7,fffffd803f011cc0,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff80001488d248,ffff800014914a38) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000ac5800,ffff800014914a38) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ac5800,ffff800014914a38) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803b4b4a90,c5005601,ffff800000ac5800,1,fffffd803f7c67e0,ffff800014914a38) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8029906ac8,c5005601,ffff800000ac5800,ffff800014914a38) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800014914a38,ffff800016b48b58,ffff800016b48ba0) at sys_ioctl+0x5b9 syscall(ffff800016b48c20) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3fc32380b50, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800016b486d0 rbx 0 rdx 0x5f9 rcx 0xffff800016b49000 rax 0xffff800000addf00 r8 0 r9 0x1 r10 0x307094d90c11bbb r11 0x2b93c7b18fa6370c r12 0 r13 0xfffffd802d3fb740 r14 0x1000 __ALIGN_SIZE r15 0xffff800000addf00 rip 0xffffffff8190b8ab uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800016b48620 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=396850 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800014914cc0,0xffff800014915468 process=0xffff8000ffff7510 user=0xffff800016b43000, vmspace=0xfffffd803f011cc0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 98660 151670 43622 0 2 0 syz-executor.1 98660 209100 43622 0 3 0x4000080 ttyin syz-executor.1 98660 162939 43622 0 3 0x4000080 fsleep syz-executor.1 51717 458237 82720 0 2 0 syz-executor.0 *51717 396850 82720 0 7 0x4000000 syz-executor.0 10236 102672 0 0 3 0x14200 bored sosplice 72641 474123 0 0 3 0x14200 acct acct 82720 275848 53856 0 3 0x82 nanosleep syz-executor.0 43622 208856 53856 0 3 0x82 nanosleep syz-executor.1 53856 76152 98110 0 3 0x82 thrsleep syz-fuzzer 53856 170951 98110 0 3 0x4000082 thrsleep syz-fuzzer 53856 406239 98110 0 3 0x4000082 thrsleep syz-fuzzer 53856 440710 98110 0 3 0x4000082 thrsleep syz-fuzzer 53856 415496 98110 0 3 0x4000082 kqread syz-fuzzer 53856 231422 98110 0 3 0x4000082 thrsleep syz-fuzzer 53856 445374 98110 0 3 0x4000082 thrsleep syz-fuzzer 98110 228441 89597 0 3 0x10008a pause ksh 89597 361734 47286 0 3 0x92 select sshd 92536 477888 1 0 3 0x100083 ttyin getty 47286 220961 1 0 3 0x80 select sshd 11519 418765 2646 73 3 0x100090 kqread syslogd 2646 160014 1 0 3 0x100082 netio syslogd 38317 308350 1 77 3 0x100090 poll dhclient 24213 139712 1 0 3 0x80 poll dhclient 97494 402476 0 0 2 0x14200 zerothread 32281 53121 0 0 3 0x14200 aiodoned aiodoned 57123 334562 0 0 3 0x14200 syncer update 81647 304228 0 0 3 0x14200 cleaner cleaner 65557 19450 0 0 3 0x14200 reaper reaper 63875 175420 0 0 3 0x14200 pgdaemon pagedaemon 25422 138267 0 0 3 0x14200 bored crynlk 41930 388064 0 0 3 0x14200 bored crypto 19438 122194 0 0 3 0x40014200 acpi0 acpi0 41393 336227 0 0 3 0x14200 bored softnet 50611 154109 0 0 3 0x14200 bored systqmp 3418 89382 0 0 3 0x14200 bored systq 43038 478738 0 0 3 0x40014200 bored softclock 18614 102441 0 0 3 0x40014200 idle0 18439 484150 0 0 3 0x14200 bored smr 1 409194 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 9480 6339K 6852K 78643K 10896 0 pcb 13 8K 8K 78643K 98 0 rtable 105 3K 3K 78643K 200 0 ifaddr 68 14K 14K 78643K 75 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 33 0 iov 0 0K 16K 78643K 28 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1312 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 8 0 sem 12 0K 0K 78643K 22 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 178 0 sigio 0 0K 0K 78643K 6 0 proc 48 38K 63K 78643K 377 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 20 0 in_multi 71 3K 3K 78643K 74 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 2 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 199 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 118 39K 42K 78643K 1242 0 UVM aobj 8 2K 2K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 44 0 NDP 9 0K 0K 78643K 13 0 temp 101 3549K 3616K 78643K 3603 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 27 0 25 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 85 0 77 1 0 1 1 0 8 0 syncache 280 5 0 5 2 1 1 1 0 8 1 tcpqe 32 178 0 178 1 1 0 1 0 8 0 tcpcb 640 223 0 219 3 1 2 3 0 8 1 ipq 40 5 0 5 1 0 1 1 0 8 1 ipqe 40 13 0 13 1 0 1 1 0 8 1 inpcb 280 458 0 451 4 2 2 4 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1617 0 221 46 0 46 46 0 8 0 ffsino 240 1617 0 221 83 0 83 83 0 8 0 nchpl 144 2058 0 449 60 0 60 60 0 8 0 uvmvnodes 72 1734 0 0 32 0 32 32 0 8 0 vnodes 208 1734 0 0 92 0 92 92 0 8 0 namei 1024 5272 0 5272 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 520 6 0 3 1 0 1 1 0 8 0 scxspl 208 5729 0 5729 8 2 6 7 0 8 6 plimitpl 152 25 0 18 1 0 1 1 0 8 0 sigapl 432 348 0 334 2 0 2 2 0 8 0 futexpl 56 3925 0 3924 1 0 1 1 0 8 0 knotepl 112 73 0 54 1 0 1 1 0 8 0 kqueuepl 104 34 0 32 1 0 1 1 0 8 0 pipepl 128 194 0 175 1 0 1 1 0 8 0 fdescpl 424 349 0 334 2 0 2 2 0 8 0 filepl 120 2208 0 2099 5 1 4 5 0 8 0 lockfpl 104 39 0 38 1 0 1 1 0 8 0 lockfspl 48 15 0 14 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 196 0 189 1 0 1 1 0 8 0 zombiepl 144 334 0 334 1 0 1 1 0 8 1 processpl 896 365 0 334 4 0 4 4 0 8 0 procpl 648 547 0 507 4 0 4 4 0 8 0 sosppl 144 2 0 2 1 0 1 1 0 8 1 sockpl 384 571 0 554 6 2 4 6 0 8 2 mcl64k 65536 13 0 13 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl12k 12288 7 0 7 1 0 1 1 0 8 1 mcl9k 9216 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 7 0 7 1 0 1 1 0 8 1 mcl4k 4096 32 0 32 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 67283 0 67257 13 9 4 11 0 8 0 mtagpl 80 7 0 2 2 1 1 1 0 8 0 mbufpl 256 107898 0 107823 9 3 6 8 0 8 0 bufpl 280 6391 0 1548 347 0 347 347 0 8 0 anonpl 16 53934 0 33433 100 2 98 98 0 62 13 amapchunkpl 152 1566 0 1402 11 1 10 10 0 158 3 amappl16 192 2023 0 854 67 0 67 67 0 8 8 amappl14 176 46 0 40 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 5 0 5 1 1 0 1 0 8 0 amappl11 152 209 0 192 1 0 1 1 0 8 0 amappl10 144 11 0 8 1 0 1 1 0 8 0 amappl9 136 563 0 559 1 0 1 1 0 8 0 amappl8 128 161 0 130 2 0 2 2 0 8 0 amappl7 120 34 0 30 1 0 1 1 0 8 0 amappl6 112 185 0 175 1 0 1 1 0 8 0 amappl5 104 133 0 123 1 0 1 1 0 8 0 amappl4 96 545 0 518 1 0 1 1 0 8 0 amappl3 88 118 0 112 1 0 1 1 0 8 0 amappl2 80 1923 0 1848 3 1 2 3 0 8 0 amappl1 72 15103 0 14671 27 18 9 20 0 8 0 amappl 80 776 0 726 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 355 0 334 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 355 0 334 1 0 1 1 0 8 0 vmmpekpl 168 6414 0 6386 2 0 2 2 0 8 0 vmmpepl 168 48856 0 46491 139 14 125 132 0 357 22 vmsppl 272 348 0 334 2 1 1 2 0 8 0 pdppl 4096 716 0 676 6 0 6 6 0 8 1 pvpl 32 163504 0 139862 227 0 227 227 0 265 33 pmappl 200 354 0 337 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 139 0 17 4 0 4 4 0 8 0