uvm_fault(0xffffffff824f7790, 0xffff800000b3d000, 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, 0xffff800000b3d000, 0, 1) -> e uvm_unmap_remove(ffff800000b3cf00,0,80000000,ffff800015938938,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b3cf00,0,80000000,ffff800015938938,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff800015938970, count: 0 ddb> trace uvm_unmap_remove(ffff800000b3cf00,0,80000000,ffff800015938938,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b3cf00,0,80000000,ffff800015938938,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000b3cf00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff800014901c90,ffff8000ffff2018) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a8e000,ffff8000ffff2018) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a8e000,ffff8000ffff2018) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803e4ef8f0,c5005601,ffff800000a8e000,1,fffffd803f7c6b40,ffff8000ffff2018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803ddfdc30,c5005601,ffff800000a8e000,ffff8000ffff2018) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2018,ffff800015938d18,ffff800015938d60) at sys_ioctl+0x5b9 syscall(ffff800015938de0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,fc7b79bd010) at Xsyscall+0x128 end of kernel end trace frame: 0xfca881014d0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015938920 rbx 0 rdx 0x178d __ALIGN_SIZE+0x78d rcx 0xffff800014909000 rax 0xffff800000b3cf00 r8 0x1 r9 0 r10 0xa2b3cabbe61e1a8d r11 0xb49392c96be16bac r12 0 r13 0xfffffd80373b6b60 r14 0 r15 0xffff800000b3cf00 rip 0xffffffff81f780db uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015938870 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=197131 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3650,0xffffffff82562a20 process=0xffff8000ffff6a30 user=0xffff800015933000, vmspace=0xfffffd803f014000 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 53762 333146 8898 0 2 0 syz-executor.1 *53762 197131 8898 0 7 0x4000000 syz-executor.1 8898 224167 6297 0 2 0x482 syz-executor.1 39728 297795 1 0 3 0x100083 ttyin getty 45663 183494 6297 0 2 0x2 syz-executor.0 3625 502638 0 0 3 0x14200 acct acct 66284 143380 0 0 3 0x14200 bored sosplice 6297 454857 8730 0 3 0x82 thrsleep syz-fuzzer 6297 195191 8730 0 3 0x4000082 thrsleep syz-fuzzer 6297 83867 8730 0 3 0x4000082 thrsleep syz-fuzzer 6297 358144 8730 0 3 0x4000082 thrsleep syz-fuzzer 6297 523610 8730 0 3 0x4000082 thrsleep syz-fuzzer 6297 263036 8730 0 3 0x4000082 thrsleep syz-fuzzer 6297 490640 8730 0 3 0x4000082 thrsleep syz-fuzzer 6297 309419 8730 0 3 0x4000082 kqread syz-fuzzer 8730 118663 72775 0 3 0x10008a pause ksh 72775 475938 40801 0 3 0x92 select sshd 40801 98087 1 0 3 0x80 select sshd 5664 167120 72846 73 2 0x100010 syslogd 72846 119431 1 0 3 0x100082 netio syslogd 49886 480334 0 0 2 0x14200 zerothread 49456 87977 0 0 3 0x14200 aiodoned aiodoned 63518 79930 0 0 3 0x14200 syncer update 42719 499981 0 0 3 0x14200 cleaner cleaner 59128 171595 0 0 3 0x14200 reaper reaper 43627 426763 0 0 3 0x14200 pgdaemon pagedaemon 57972 4214 0 0 3 0x14200 bored crynlk 65199 323652 0 0 3 0x14200 bored crypto 10817 104482 0 0 3 0x40014200 acpi0 acpi0 72038 70604 0 0 3 0x14200 bored softnet 631 186481 0 0 3 0x14200 bored systqmp 36324 405722 0 0 3 0x14200 bored systq 51037 322917 0 0 3 0x40014200 bored softclock 91217 106484 0 0 3 0x40014200 idle0 26703 427837 0 0 3 0x14200 bored smr 1 360855 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 9568 6335K 7491K 78643K 31042 0 0 pcb 13 8K 8K 78643K 994 0 0 rtable 116 12K 12K 78643K 9168 0 0 ifaddr 74 18K 19K 78643K 940 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 288 0 0 iov 0 0K 26K 78643K 5601 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1215 76K 78K 78643K 9370 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 158 0 0 VM map 3 0K 0K 78643K 12 0 0 sem 12 0K 0K 78643K 1127 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 8427 0 0 sigio 0 0K 0K 78643K 150 0 0 proc 45 30K 63K 78643K 2427 0 0 subproc 32 2K 2K 78643K 586 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 864 0 0 in_multi 33 2K 2K 78643K 605 0 0 ether_multi 1 0K 0K 78643K 32 0 0 mrt 1 0K 0K 78643K 31 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 192 848K 848K 78643K 192 0 0 exec 0 0K 1K 78643K 1373 0 0 pfkey data 0 0K 4K 78643K 2 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 109 22K 30K 78643K 21182 0 0 UVM aobj 130 4K 4K 78643K 155 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 923 0 0 NDP 19 0K 1K 78643K 296 0 0 temp 204 3532K 4171K 78643K 149956 0 0 kqueue 0 0K 0K 78643K 73 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 72 0 66 1 0 1 1 0 8 0 rtpcb 80 9409 0 9406 8 7 1 1 0 8 0 rtentry 112 358 0 314 2 0 2 2 0 8 0 unpcb 120 3507 0 3484 7 6 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 4696 0 4696 1 1 0 1 0 8 0 tcpcb 544 1695 0 1691 4 3 1 2 0 8 0 ipq 40 7 0 7 6 6 0 1 0 8 0 ipqe 40 12 0 12 6 6 0 1 0 8 0 inpcb 280 5017 0 5013 8 7 1 2 0 8 0 rttmr 72 7 0 7 5 5 0 1 0 8 0 nd6 48 62 0 58 2 1 1 1 0 8 0 pkpcb 40 34 0 34 13 12 1 1 0 8 1 ppxss 1128 145 0 145 34 34 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1668 0 1449 24 10 14 16 0 8 0 art_table 32 1669 0 1449 2 0 2 2 0 8 0 art_node 16 355 0 315 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1125 0 1115 1 0 1 1 0 8 0 shmpl 112 153 0 25 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 14447 0 13047 46 0 46 46 0 8 0 ffsino 240 14447 0 13047 83 0 83 83 0 8 0 nchpl 144 28893 0 27234 62 0 62 62 0 8 0 uvmvnodes 72 8978 0 0 164 0 164 164 0 8 0 vnodes 208 8978 0 0 473 0 473 473 0 8 0 namei 1024 96865 0 96865 10 9 1 1 0 8 1 vmpool 520 10 0 9 5 4 1 1 0 8 0 scsiplug 64 19 0 19 14 14 0 1 0 8 0 scxspl 192 97292 0 97292 28 25 3 7 0 8 3 plimitpl 152 747 0 741 1 0 1 1 0 8 0 sigapl 432 8505 0 8494 2 0 2 2 0 8 0 futexpl 56 194754 0 194754 11 10 1 1 0 8 1 knotepl 112 2253 0 2234 8 7 1 3 0 8 0 kqueuepl 104 2606 0 2604 1 0 1 1 0 8 0 pipepl 112 6378 0 6359 23 22 1 2 0 8 0 fdescpl 424 8506 0 8494 2 0 2 2 0 8 0 filepl 120 73712 0 73621 33 29 4 6 0 8 1 lockfpl 104 2822 0 2822 10 9 1 1 0 8 1 lockfspl 48 934 0 934 10 9 1 1 0 8 1 sessionpl 112 52 0 44 1 0 1 1 0 8 0 pgrppl 48 134 0 126 1 0 1 1 0 8 0 ucredpl 96 12013 0 12006 1 0 1 1 0 8 0 zombiepl 144 8499 0 8499 3 2 1 1 0 8 1 processpl 864 8527 0 8499 4 0 4 4 0 8 0 procpl 632 18858 0 18822 5 1 4 5 0 8 0 sosppl 128 116 0 116 32 32 0 1 0 8 0 sockpl 384 18069 0 18039 56 49 7 7 0 8 3 mcl64k 65536 491 0 491 62 62 0 33 0 8 0 mcl16k 16384 56 0 56 34 33 1 1 0 8 1 mcl12k 12288 177 0 177 30 30 0 1 0 8 0 mcl9k 9216 82 0 82 27 27 0 1 0 8 0 mcl8k 8192 282 0 282 20 19 1 1 0 8 1 mcl4k 4096 970 0 970 11 10 1 1 0 8 1 mcl2k2 2112 66 0 66 35 35 0 1 0 8 0 mcl2k 2048 71417 0 71374 20 14 6 13 0 8 0 mtagpl 80 255 0 242 7 6 1 1 0 8 0 mbufpl 256 258575 0 258445 1536 1517 19 153 0 8 8 bufpl 256 30251 0 21273 562 0 562 562 0 8 0 anonpl 16 838144 0 826532 267 194 73 74 0 62 8 amapchunkpl 152 40158 0 40048 119 112 7 29 0 158 1 amappl16 192 45002 0 44210 349 301 48 52 0 8 8 amappl15 184 3494 0 3492 6 5 1 1 0 8 0 amappl14 176 1900 0 1894 2 1 1 1 0 8 0 amappl13 168 421 0 420 1 0 1 1 0 8 0 amappl12 160 1096 0 1094 1 0 1 1 0 8 0 amappl11 152 2409 0 2405 1 0 1 1 0 8 0 amappl10 144 52 0 52 3 3 0 1 0 8 0 amappl9 136 1268 0 1261 1 0 1 1 0 8 0 amappl8 128 774 0 741 3 1 2 2 0 8 0 amappl7 120 218 0 211 1 0 1 1 0 8 0 amappl6 112 2267 0 2255 1 0 1 1 0 8 0 amappl5 104 1515 0 1508 1 0 1 1 0 8 0 amappl4 96 7753 0 7724 1 0 1 1 0 8 0 amappl3 88 2574 0 2565 1 0 1 1 0 8 0 amappl2 80 67893 0 67832 4 2 2 3 0 8 0 amappl1 72 160897 0 160526 28 19 9 20 0 8 0 amappl 80 19640 0 19605 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 64 154 0 25 3 0 3 3 0 8 0 uaddrrnd 24 8516 0 8494 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8516 0 8494 1 0 1 1 0 8 0 vmmpekpl 168 57450 0 57427 2 0 2 2 0 8 0 vmmpepl 168 1003938 0 1002168 481 374 107 112 0 357 18 vmsppl 272 8505 0 8494 2 1 1 2 0 8 0 pdppl 4096 17038 0 17006 6 1 5 6 0 8 0 pvpl 32 2477080 0 2462416 721 545 176 280 0 265 28 pmappl 200 8515 0 8503 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 2380 0 1681 26 4 22 22 0 8 0