uvm_fault(0xffffffff82538f58, 0xffff800000a54000, 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(0xffffffff82538f58, 0xffff800000a54000, 0, 1) -> e uvm_unmap_remove(ffff800000a53f00,0,1000,ffff80001797ba20,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a53f00,0,1000,ffff80001797ba20,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff80001797bad0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a53f00,0,1000,ffff80001797ba20,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a53f00,0,1000,ffff80001797ba20,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a53f00,0,7,fffffd803f012dd0,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff80001493f450,ffff800017965160) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a01800,ffff800017965160) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a01800,ffff800017965160) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd8039aa7750,c5005601,ffff800000a01800,1,fffffd803f7c6c00,ffff800017965160) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802dca6f10,c5005601,ffff800000a01800,ffff800017965160) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800017965160,ffff80001797be78,ffff80001797bec0) at sys_ioctl+0x5b9 syscall(ffff80001797bf40) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x69bfcd84a00, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001797b9f0 rbx 0 rdx 0x370 rcx 0xffff800014963000 rax 0xffff800000a53f00 r8 0 r9 0x1 r10 0x48e7418701cf1627 r11 0xc9c689e221bd306a r12 0 r13 0xfffffd802d6a1818 r14 0x1000 __ALIGN_SIZE r15 0xffff800000a53f00 rip 0xffffffff815649cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001797b940 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=15748 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800017964018,0xffffffff82545ea8 process=0xffff8000ffff66d0 user=0xffff800017976000, vmspace=0xfffffd803f012dd0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 79442 391586 69107 0 2 0 syz-executor.1 *79442 15748 69107 0 7 0x4000000 syz-executor.1 83286 333239 0 0 3 0x14200 acct acct 52892 428156 0 0 3 0x14200 bored sosplice 18002 362629 39015 0 3 0x82 nanosleep syz-executor.0 69107 386128 39015 0 3 0x82 nanosleep syz-executor.1 39015 442088 45609 0 3 0x82 thrsleep syz-fuzzer 39015 362783 45609 0 3 0x4000082 thrsleep syz-fuzzer 39015 7556 45609 0 3 0x4000082 thrsleep syz-fuzzer 39015 192734 45609 0 3 0x4000082 thrsleep syz-fuzzer 39015 251789 45609 0 3 0x4000082 thrsleep syz-fuzzer 39015 339978 45609 0 3 0x4000082 kqread syz-fuzzer 39015 361547 45609 0 3 0x4000082 thrsleep syz-fuzzer 39015 464080 45609 0 3 0x4000082 thrsleep syz-fuzzer 45609 468107 2564 0 3 0x10008a pause ksh 2564 280827 95166 0 3 0x92 select sshd 44171 11708 1 0 3 0x100083 ttyin getty 95166 176223 1 0 3 0x80 select sshd 96978 400238 65481 73 2 0x100090 syslogd 65481 928 1 0 3 0x100082 netio syslogd 33622 163461 1 77 3 0x100090 poll dhclient 2319 128392 1 0 3 0x80 poll dhclient 85936 179403 0 0 2 0x14200 zerothread 12192 472068 0 0 3 0x14200 aiodoned aiodoned 68778 260404 0 0 3 0x14200 syncer update 81014 14917 0 0 3 0x14200 cleaner cleaner 81067 93227 0 0 3 0x14200 reaper reaper 45488 203761 0 0 3 0x14200 pgdaemon pagedaemon 21830 207866 0 0 3 0x14200 bored crynlk 84855 102171 0 0 3 0x14200 bored crypto 26600 517452 0 0 3 0x40014200 acpi0 acpi0 97294 205492 0 0 3 0x14200 bored softnet 88940 27263 0 0 3 0x14200 bored systqmp 73860 385211 0 0 3 0x14200 bored systq 44685 328058 0 0 3 0x40014200 bored softclock 39056 491840 0 0 3 0x40014200 idle0 92586 47960 0 0 3 0x14200 bored smr 1 253808 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 9489 6345K 6867K 78643K 11233 0 pcb 13 8K 8K 78643K 79 0 rtable 104 3K 4K 78643K 317 0 ifaddr 77 16K 16K 78643K 111 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 42 0 iov 0 0K 12K 78643K 82 0 mount 1 1K 1K 78643K 1 0 vnodes 1215 76K 77K 78643K 1424 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 5 1K 1K 78643K 7 0 sem 12 0K 0K 78643K 90 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 297 0 sigio 0 0K 0K 78643K 6 0 proc 49 38K 54K 78643K 406 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 42 0 in_multi 86 4K 4K 78643K 101 0 ether_multi 1 0K 0K 78643K 2 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 60 265K 265K 78643K 60 0 exec 0 0K 1K 78643K 195 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 122 38K 38K 78643K 1636 0 UVM aobj 44 2K 2K 78643K 46 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 58 0 NDP 10 0K 0K 78643K 20 0 temp 125 3014K 3084K 78643K 4955 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 80 43 0 41 1 0 1 1 0 8 0 rtentry 112 50 0 8 2 0 2 2 0 8 0 unpcb 120 141 0 133 1 0 1 1 0 8 0 syncache 264 7 0 7 3 2 1 1 0 8 1 tcpqe 32 15 0 15 1 1 0 1 0 8 0 tcpcb 544 156 0 152 2 0 2 2 0 8 1 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 90 0 90 1 1 0 1 0 8 0 inpcb 280 714 0 707 3 0 3 3 0 8 2 rttmr 72 1 0 1 1 0 1 1 0 8 1 nd6 48 5 0 2 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 237 0 39 14 0 14 14 0 8 0 art_table 32 238 0 39 2 0 2 2 0 8 0 art_node 16 49 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 66 0 46 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 86 0 76 1 0 1 1 0 8 0 shmpl 112 44 0 2 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1895 0 494 46 0 46 46 0 8 0 ffsino 240 1895 0 494 83 0 83 83 0 8 0 nchpl 144 2545 0 929 61 0 61 61 0 8 0 uvmvnodes 72 2085 0 0 38 0 38 38 0 8 0 vnodes 208 2085 0 0 110 0 110 110 0 8 0 namei 1024 7060 0 7060 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 520 5 0 2 1 0 1 1 0 8 0 scxspl 192 8373 0 8373 8 6 2 7 0 8 2 plimitpl 152 46 0 39 1 0 1 1 0 8 0 sigapl 432 468 0 455 2 0 2 2 0 8 0 futexpl 56 8467 0 8467 1 0 1 1 0 8 1 knotepl 112 105 0 86 1 0 1 1 0 8 0 kqueuepl 104 84 0 82 1 0 1 1 0 8 0 pipepl 128 216 0 197 1 0 1 1 0 8 0 fdescpl 424 469 0 455 2 0 2 2 0 8 0 filepl 120 3425 0 3329 4 0 4 4 0 8 1 lockfpl 104 292 0 291 1 0 1 1 0 8 0 lockfspl 48 88 0 87 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 322 0 315 1 0 1 1 0 8 0 zombiepl 144 455 0 454 1 0 1 1 0 8 0 processpl 864 485 0 454 4 0 4 4 0 8 0 procpl 632 884 0 845 4 0 4 4 0 8 0 sosppl 128 10 0 10 2 1 1 1 0 8 1 sockpl 384 912 0 895 5 1 4 5 0 8 2 mcl64k 65536 44 0 44 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl12k 12288 13 0 13 1 0 1 1 0 8 1 mcl9k 9216 5 0 5 2 1 1 1 0 8 1 mcl8k 8192 4 0 4 2 1 1 1 0 8 1 mcl4k 4096 46 0 46 2 1 1 1 0 8 1 mcl2k2 2112 4 0 4 2 1 1 1 0 8 1 mcl2k 2048 68414 0 68365 17 10 7 14 0 8 0 mtagpl 80 18 0 2 2 1 1 1 0 8 0 mbufpl 256 110641 0 110493 30 15 15 25 0 8 3 bufpl 280 7128 0 2247 349 0 349 349 0 8 0 anonpl 16 83857 0 63910 98 1 97 97 0 62 16 amapchunkpl 152 2285 0 2134 10 2 8 10 0 158 0 amappl16 192 3757 0 2654 80 16 64 68 0 8 8 amappl15 184 51 0 46 1 0 1 1 0 8 0 amappl14 176 167 0 162 1 0 1 1 0 8 0 amappl12 160 10 0 9 2 1 1 1 0 8 0 amappl11 152 55 0 42 1 0 1 1 0 8 0 amappl10 144 11 0 8 1 0 1 1 0 8 0 amappl9 136 692 0 687 1 0 1 1 0 8 0 amappl8 128 265 0 233 2 0 2 2 0 8 0 amappl7 120 87 0 77 1 0 1 1 0 8 0 amappl6 112 63 0 55 1 0 1 1 0 8 0 amappl5 104 140 0 128 1 0 1 1 0 8 0 amappl4 96 549 0 522 1 0 1 1 0 8 0 amappl3 88 390 0 380 1 0 1 1 0 8 0 amappl2 80 2976 0 2909 3 1 2 3 0 8 0 amappl1 72 17888 0 17463 26 16 10 20 0 8 0 amappl 80 1142 0 1098 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 45 0 2 1 0 1 1 0 8 0 uaddrrnd 24 474 0 455 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 474 0 455 1 0 1 1 0 8 0 vmmpekpl 168 7034 0 7009 2 0 2 2 0 8 0 vmmpepl 168 66051 0 63833 183 22 161 176 0 357 60 vmsppl 272 468 0 455 2 1 1 2 0 8 0 pdppl 4096 954 0 916 6 1 5 6 0 8 0 pvpl 32 225909 0 202932 226 1 225 225 0 265 38 pmappl 200 473 0 457 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 167 0 32 5 0 5 5 0 8 0