uvm_fault(0xffffffff824f7790, 0xffff800000b22000, 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(0xffffffff824f7790, 0xffff800000b22000, 0, 1) -> e uvm_unmap_remove(ffff800000b21f00,0,80000000,ffff80001596dc78,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b21f00,0,80000000,ffff80001596dc78,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001596dcb0, count: 0 ddb> trace uvm_unmap_remove(ffff800000b21f00,0,80000000,ffff80001596dc78,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b21f00,0,80000000,ffff80001596dc78,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000b21f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff800015945c78,ffff8000ffff84f8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a95000,ffff8000ffff84f8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a95000,ffff8000ffff84f8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803d073820,c5005601,ffff800000a95000,1,fffffd803f7c6ba0,ffff8000ffff84f8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802aea9268,c5005601,ffff800000a95000,ffff8000ffff84f8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff84f8,ffff80001596e058,ffff80001596e0a0) at sys_ioctl+0x5b9 syscall(ffff80001596e120) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,2bf9cbe2010) at Xsyscall+0x128 end of kernel end trace frame: 0x2c24ead9940, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001596dc60 rbx 0 rdx 0x19d4 __ALIGN_SIZE+0x9d4 rcx 0xffff80001759d000 rax 0xffff800000b21f00 r8 0x1 r9 0 r10 0xd6c8fea6bee09752 r11 0x8fabbecb9f661618 r12 0 r13 0xfffffd8032d6caa0 r14 0 r15 0xffff800000b21f00 rip 0xffffffff81f780db uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001596dbb0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=443319 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff98b8,0xffffffff82562a20 process=0xffff8000148a26d8 user=0xffff800015969000, vmspace=0xfffffd803f014000 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 11202 185332 88108 0 2 0 syz-executor.1 *11202 443319 88108 0 7 0x4000000 syz-executor.1 50005 249888 90691 0 2 0 syz-executor.0 50005 392684 90691 0 3 0x4000080 netcon2 syz-executor.0 88108 476316 74371 0 2 0x482 syz-executor.1 90691 460337 74371 0 2 0x482 syz-executor.0 31923 422455 0 0 3 0x14200 acct acct 30539 191687 0 0 3 0x14200 bored sosplice 74371 323682 91837 0 3 0x82 thrsleep syz-fuzzer 74371 363270 91837 0 3 0x4000082 thrsleep syz-fuzzer 74371 182000 91837 0 3 0x4000082 thrsleep syz-fuzzer 74371 437868 91837 0 3 0x4000082 thrsleep syz-fuzzer 74371 11143 91837 0 3 0x4000082 thrsleep syz-fuzzer 74371 221551 91837 0 3 0x4000082 kqread syz-fuzzer 74371 371360 91837 0 3 0x4000082 thrsleep syz-fuzzer 91837 229058 50372 0 3 0x10008a pause ksh 50372 18458 24796 0 3 0x92 select sshd 13400 412235 1 0 3 0x100083 ttyin getty 24796 107723 1 0 3 0x80 select sshd 90957 512264 38444 73 2 0x100010 syslogd 38444 150326 1 0 3 0x100082 netio syslogd 66151 16796 1 77 3 0x100090 poll dhclient 84168 358158 1 0 3 0x80 poll dhclient 48298 239282 0 0 2 0x14200 zerothread 87036 137626 0 0 3 0x14200 aiodoned aiodoned 90913 465434 0 0 3 0x14200 syncer update 8472 507527 0 0 3 0x14200 cleaner cleaner 61555 361380 0 0 3 0x14200 reaper reaper 31154 203280 0 0 3 0x14200 pgdaemon pagedaemon 14983 481465 0 0 3 0x14200 bored crynlk 8037 418981 0 0 3 0x14200 bored crypto 75610 24311 0 0 3 0x40014200 acpi0 acpi0 65937 306004 0 0 3 0x14200 bored softnet 10480 18620 0 0 3 0x14200 bored systqmp 92057 36868 0 0 3 0x14200 bored systq 85426 174996 0 0 3 0x40014200 bored softclock 91171 21591 0 0 3 0x40014200 idle0 8120 308524 0 0 3 0x14200 bored smr 1 310093 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 9540 6359K 6746K 78643K 15170 0 0 pcb 13 9K 9K 78643K 361 0 0 rtable 103 3K 4K 78643K 727 0 0 ifaddr 64 14K 15K 78643K 228 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 123 0 0 iov 0 0K 24K 78643K 3616 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1222 77K 77K 78643K 3014 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 34 0 0 VM map 3 0K 0K 78643K 6 0 0 sem 12 1K 1K 78643K 13 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 2628 0 0 sigio 0 0K 0K 78643K 28 0 0 proc 50 38K 63K 78643K 795 0 0 subproc 32 2K 2K 78643K 163 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 196 0 0 in_multi 29 1K 2K 78643K 158 0 0 ether_multi 1 0K 0K 78643K 13 0 0 mrt 0 0K 0K 78643K 14 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 156 689K 689K 78643K 156 0 0 exec 0 0K 1K 78643K 441 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 101 21K 30K 78643K 8053 0 0 UVM aobj 85 3K 3K 78643K 112 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 266 0 0 NDP 14 0K 0K 78643K 70 0 0 temp 184 3535K 3603K 78643K 24110 0 0 kqueue 0 0K 0K 78643K 11 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 20 0 14 1 0 1 1 0 8 0 rtpcb 80 114 0 112 1 0 1 1 0 8 0 rtentry 112 113 0 73 2 0 2 2 0 8 0 unpcb 120 913 0 903 2 1 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5946 0 5946 2 2 0 1 0 8 0 tcpcb 544 1013 0 1008 2 1 1 2 0 8 0 inpcb 280 7523 0 7512 12 10 2 4 0 8 1 rttmr 72 4 0 4 2 2 0 1 0 8 0 nd6 48 16 0 13 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 21 0 21 14 14 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 529 0 328 15 1 14 14 0 8 0 art_table 32 530 0 328 2 0 2 2 0 8 0 art_node 16 112 0 75 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 13 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 11 0 1 1 0 1 1 0 8 0 shmpl 112 110 0 27 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4941 0 3556 46 0 46 46 0 8 0 ffsino 240 4941 0 3556 83 0 83 83 0 8 0 nchpl 144 8497 0 6888 60 0 60 60 0 8 0 uvmvnodes 72 6054 0 0 111 0 111 111 0 8 0 vnodes 208 6054 0 0 319 0 319 319 0 8 0 namei 1024 26034 0 26034 2 1 1 1 0 8 1 vmpool 520 4 0 3 2 1 1 1 0 8 0 scsiplug 64 5 0 5 3 3 0 1 0 8 0 scxspl 192 24851 0 24851 15 14 1 7 0 8 1 plimitpl 152 180 0 173 1 0 1 1 0 8 0 sigapl 432 2778 0 2764 2 0 2 2 0 8 0 futexpl 56 65182 0 65182 1 0 1 1 0 8 1 knotepl 112 442 0 423 1 0 1 1 0 8 0 kqueuepl 104 467 0 465 1 0 1 1 0 8 0 pipepl 112 1938 0 1919 12 11 1 2 0 8 0 fdescpl 424 2779 0 2764 2 0 2 2 0 8 0 filepl 120 22094 0 21993 19 15 4 7 0 8 0 lockfpl 104 634 0 633 1 0 1 1 0 8 0 lockfspl 48 226 0 225 1 0 1 1 0 8 0 sessionpl 112 24 0 14 1 0 1 1 0 8 0 pgrppl 48 38 0 28 1 0 1 1 0 8 0 ucredpl 96 2450 0 2443 1 0 1 1 0 8 0 zombiepl 144 2764 0 2764 2 1 1 1 0 8 1 processpl 864 2795 0 2764 4 0 4 4 0 8 0 procpl 632 7013 0 6974 5 1 4 5 0 8 0 sosppl 128 28 0 28 11 11 0 1 0 8 0 sockpl 384 8696 0 8673 41 37 4 7 0 8 1 mcl64k 65536 1351 0 1351 61 56 5 33 0 8 5 mcl16k 16384 150 0 150 19 19 0 1 0 8 0 mcl12k 12288 114 0 114 22 21 1 1 0 8 1 mcl9k 9216 520 0 520 5 4 1 1 0 8 1 mcl8k 8192 706 0 705 1 0 1 1 0 8 0 mcl4k 4096 235 0 235 9 8 1 1 0 8 1 mcl2k2 2112 14 0 14 8 8 0 1 0 8 0 mcl2k 2048 70036 0 69888 69 49 20 23 0 8 0 mtagpl 80 52 0 45 6 5 1 1 0 8 0 mbufpl 256 168488 0 167954 131 95 36 51 0 8 0 bufpl 256 12180 0 6120 379 0 379 379 0 8 0 anonpl 16 284130 0 270158 176 116 60 73 0 62 0 amapchunkpl 152 14688 0 14581 61 56 5 15 0 158 0 amappl16 192 13932 0 13151 150 110 40 51 0 8 0 amappl15 184 487 0 487 1 1 0 1 0 8 0 amappl14 176 543 0 536 1 0 1 1 0 8 0 amappl13 168 17 0 16 2 1 1 1 0 8 0 amappl12 160 7 0 5 1 0 1 1 0 8 0 amappl11 152 471 0 460 1 0 1 1 0 8 0 amappl10 144 563 0 563 2 2 0 1 0 8 0 amappl9 136 1499 0 1490 1 0 1 1 0 8 0 amappl8 128 1087 0 1056 2 0 2 2 0 8 0 amappl7 120 621 0 617 1 0 1 1 0 8 0 amappl6 112 465 0 455 1 0 1 1 0 8 0 amappl5 104 1049 0 1040 1 0 1 1 0 8 0 amappl4 96 3146 0 3117 1 0 1 1 0 8 0 amappl3 88 1199 0 1191 1 0 1 1 0 8 0 amappl2 80 21787 0 21713 3 1 2 3 0 8 0 amappl1 72 62599 0 62181 28 19 9 20 0 8 0 amappl 80 7358 0 7321 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 64 111 0 27 2 0 2 2 0 8 0 uaddrrnd 24 2783 0 2764 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2783 0 2764 1 0 1 1 0 8 0 vmmpekpl 168 23132 0 23108 2 0 2 2 0 8 0 vmmpepl 168 338367 0 336439 289 203 86 114 0 357 1 vmsppl 272 2778 0 2764 5 4 1 2 0 8 0 pdppl 4096 5572 0 5534 6 1 5 6 0 8 0 pvpl 32 812972 0 795776 509 359 150 267 0 265 11 pmappl 200 2782 0 2767 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 788 0 237 17 0 17 17 0 8 0