uvm_fault(0xffffffff824ff2b0, 0xffff800000b62000, 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(0xffffffff824ff2b0, 0xffff800000b62000, 0, 1) -> e uvm_unmap_remove(ffff800000b61f00,0,80000000,ffff8000148fc5a8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b61f00,0,80000000,ffff8000148fc5a8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff8000148fc5e0, count: 0 ddb> trace uvm_unmap_remove(ffff800000b61f00,0,80000000,ffff8000148fc5a8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b61f00,0,80000000,ffff8000148fc5a8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000b61f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff8000148ff868,ffff8000ffff2290) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000aaa800,ffff8000ffff2290) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1377 [inline] vm_create(ffff800000aaa800,ffff8000ffff2290) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1166 VOP_IOCTL(fffffd8036145750,c5005601,ffff800000aaa800,1,fffffd803f7c6ae0,ffff8000ffff2290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80353ead38,c5005601,ffff800000aaa800,ffff8000ffff2290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2290,ffff8000148fc988,ffff8000148fc9d0) at sys_ioctl+0x5b9 syscall(ffff8000148fca50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,7f90c4b0010) at Xsyscall+0x128 end of kernel end trace frame: 0x7fbce13b740, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000148fc590 rbx 0 rdx 0x19e4 __ALIGN_SIZE+0x9e4 rcx 0xffff800016b53000 rax 0xffff800000b61f00 r8 0x1 r9 0 r10 0x64be9b70ff99d235 r11 0x6e67c88e30765d95 r12 0 r13 0xfffffd80360a0620 r14 0 r15 0xffff800000b61f00 rip 0xffffffff81dd97bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000148fc4e0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=140682 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2780,0xffffffff82575038 process=0xffff8000148a30f8 user=0xffff8000148f7000, vmspace=0xfffffd803f014bb0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 13843 352894 84678 0 2 0 syz-executor.0 *13843 140682 84678 0 7 0x4000000 syz-executor.0 16325 447021 46342 0 2 0x2 syz-executor.1 54633 35021 1 0 3 0x100083 ttyin getty 33779 252473 0 0 3 0x14200 bored sosplice 84678 430924 46342 0 3 0x82 nanosleep syz-executor.0 46342 215881 50692 0 3 0x82 thrsleep syz-fuzzer 46342 47224 50692 0 3 0x4000082 nanosleep syz-fuzzer 46342 16880 50692 0 3 0x4000082 thrsleep syz-fuzzer 46342 115864 50692 0 3 0x4000082 thrsleep syz-fuzzer 46342 232382 50692 0 3 0x4000082 thrsleep syz-fuzzer 46342 313548 50692 0 3 0x4000082 kqread syz-fuzzer 46342 453326 50692 0 3 0x4000082 thrsleep syz-fuzzer 46342 59061 50692 0 3 0x4000082 thrsleep syz-fuzzer 50692 66585 9040 0 3 0x10008a pause ksh 9040 348557 91866 0 3 0x92 select sshd 91866 386895 1 0 3 0x80 select sshd 80190 144617 22105 73 2 0x100090 syslogd 22105 299804 1 0 3 0x100082 netio syslogd 56065 430803 1 77 3 0x100090 poll dhclient 72802 138809 1 0 3 0x80 poll dhclient 32425 264179 0 0 2 0x14200 zerothread 14057 21826 0 0 3 0x14200 aiodoned aiodoned 32328 368045 0 0 3 0x14200 syncer update 52468 409573 0 0 3 0x14200 cleaner cleaner 37505 476218 0 0 3 0x14200 reaper reaper 37324 231832 0 0 3 0x14200 pgdaemon pagedaemon 68430 213913 0 0 3 0x14200 bored crynlk 28965 457487 0 0 3 0x14200 bored crypto 77554 402158 0 0 3 0x40014200 acpi0 acpi0 84968 132022 0 0 3 0x14200 bored softnet 57076 257275 0 0 3 0x14200 bored systqmp 91362 427642 0 0 3 0x14200 bored systq 96177 420440 0 0 3 0x40014200 bored softclock 50029 505664 0 0 3 0x40014200 idle0 7531 456879 0 0 3 0x14200 bored smr 1 346376 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 Kern Lim devbuf 9514 6347K 7548K 78643K 13417 0 0 pcb 13 8K 8K 78643K 316 0 0 rtable 94 11K 12K 78643K 831 0 0 ifaddr 62 14K 15K 78643K 291 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 84 0 0 iov 0 0K 24K 78643K 348 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1208 76K 77K 78643K 2848 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 31 0 0 VM map 3 0K 0K 78643K 8 0 0 sem 12 0K 0K 78643K 399 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 3039 0 0 sigio 0 0K 0K 78643K 44 0 0 proc 49 38K 63K 78643K 746 0 0 subproc 32 2K 2K 78643K 68 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 299 0 0 in_multi 22 1K 2K 78643K 286 0 0 ether_multi 1 0K 0K 78643K 52 0 0 mrt 0 0K 0K 78643K 45 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 370 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 97 21K 38K 78643K 7829 0 0 UVM aobj 68 5K 5K 78643K 76 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 316 0 0 NDP 14 0K 0K 78643K 87 0 0 temp 186 3536K 3616K 78643K 15204 0 0 kqueue 0 0K 0K 78643K 36 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 15 0 11 1 0 1 1 0 8 0 rtpcb 80 307 0 305 1 0 1 1 0 8 0 rtentry 112 79 0 45 2 0 2 2 0 8 0 unpcb 120 943 0 935 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 8 0 8 4 4 0 1 0 8 0 tcpqe 32 25 0 25 5 5 0 1 0 8 0 tcpcb 544 600 0 596 1 0 1 1 0 8 0 ipq 40 8 0 8 1 1 0 1 0 8 0 ipqe 40 16 0 16 1 1 0 1 0 8 0 inpcb 280 1541 0 1534 3 2 1 2 0 8 0 rttmr 72 4 0 4 1 1 0 1 0 8 0 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 5 0 5 1 1 0 1 0 8 0 nd6 48 8 0 6 1 0 1 1 0 8 0 pkpcb 40 10 0 10 2 2 0 1 0 8 0 swfcl 56 8 0 0 1 0 1 1 0 8 0 ppxss 1128 61 0 59 2 1 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 312 0 141 14 3 11 14 0 8 0 art_table 32 313 0 141 2 0 2 2 0 8 0 art_node 16 78 0 47 1 0 1 1 0 8 0 semapl 112 397 0 387 1 0 1 1 0 8 0 shmpl 112 74 0 8 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6824 0 5436 46 0 46 46 0 8 0 ffsino 240 6824 0 5436 83 0 83 83 0 8 0 nchpl 144 10771 0 9174 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 28810 0 28810 7 6 1 1 0 8 1 vmpool 520 6 0 5 2 1 1 1 0 8 0 scsiplug 64 7 0 7 1 1 0 1 0 8 0 scxspl 192 43808 0 43808 12 11 1 7 0 8 1 plimitpl 152 218 0 211 1 0 1 1 0 8 0 sigapl 432 3205 0 3192 2 0 2 2 0 8 0 futexpl 56 29412 0 29412 6 5 1 1 0 8 1 knotepl 112 1338 0 1319 3 2 1 3 0 8 0 kqueuepl 104 594 0 592 1 0 1 1 0 8 0 pipepl 112 794 0 775 2 1 1 1 0 8 0 fdescpl 424 3206 0 3192 2 0 2 2 0 8 0 filepl 120 13978 0 13882 4 0 4 4 0 8 0 lockfpl 104 738 0 737 1 0 1 1 0 8 0 lockfspl 48 273 0 272 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 22 0 12 1 0 1 1 0 8 0 ucredpl 96 3571 0 3564 1 0 1 1 0 8 0 zombiepl 144 3192 0 3192 2 1 1 1 0 8 1 processpl 864 3221 0 3192 4 0 4 4 0 8 0 procpl 632 6863 0 6826 4 0 4 4 0 8 0 sosppl 128 55 0 55 6 5 1 1 0 8 1 sockpl 384 2812 0 2795 5 2 3 3 0 8 1 mcl64k 65536 1147 0 1147 32 32 0 29 0 8 0 mcl12k 12288 22 0 22 3 3 0 1 0 8 0 mcl9k 9216 12 0 12 3 3 0 1 0 8 0 mcl8k 8192 52 0 52 5 5 0 1 0 8 0 mcl4k 4096 152 0 152 5 5 0 2 0 8 0 mcl2k 2048 21294 0 21255 23 16 7 10 0 8 1 mtagpl 80 50 0 35 2 1 1 1 0 8 0 mbufpl 256 75558 0 75438 38 28 10 25 0 8 0 bufpl 256 18309 0 13379 310 1 309 309 0 8 0 anonpl 16 373491 0 369402 132 98 34 49 0 62 9 amapchunkpl 152 15112 0 15027 27 22 5 14 0 158 0 amappl16 192 22382 0 22208 82 61 21 32 0 8 6 amappl14 176 1122 0 1116 2 1 1 1 0 8 0 amappl12 160 461 0 459 1 0 1 1 0 8 0 amappl11 152 48 0 37 1 0 1 1 0 8 0 amappl10 144 7 0 6 1 0 1 1 0 8 0 amappl9 136 484 0 478 1 0 1 1 0 8 0 amappl8 128 172 0 145 1 0 1 1 0 8 0 amappl7 120 45 0 41 1 0 1 1 0 8 0 amappl6 112 80 0 68 1 0 1 1 0 8 0 amappl5 104 850 0 839 1 0 1 1 0 8 0 amappl4 96 1906 0 1876 1 0 1 1 0 8 0 amappl3 88 2753 0 2745 1 0 1 1 0 8 0 amappl2 80 24760 0 24695 3 1 2 3 0 8 0 amappl1 72 64114 0 63711 26 16 10 20 0 8 0 amappl 80 7200 0 7167 1 0 1 1 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 75 0 8 2 0 2 2 0 8 0 uaddrrnd 24 3212 0 3192 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3212 0 3192 1 0 1 1 0 8 0 vmmpekpl 168 20137 0 20116 2 0 2 2 0 8 0 vmmpepl 168 376100 0 374886 157 88 69 78 0 357 8 vmsppl 272 3205 0 3192 4 3 1 2 0 8 0 pdppl 4096 6430 0 6394 6 1 5 6 0 8 0 pvpl 32 1138367 0 1131322 278 182 96 136 0 265 31 pmappl 200 3211 0 3197 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 534 0 102 14 0 14 14 0 8 0