uvm_fault(0xffffffff824f4d70, 0xffff800000aee000, 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(0xffffffff824f4d70, 0xffff800000aee000, 0, 1) -> e uvm_unmap_remove(ffff800000aedf00,0,80000000,ffff800015920148,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aedf00,0,80000000,ffff800015920148,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff800015920180, count: 0 ddb> trace uvm_unmap_remove(ffff800000aedf00,0,80000000,ffff800015920148,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aedf00,0,80000000,ffff800015920148,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000aedf00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff800015971c80,ffff8000ffff2780) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a95000,ffff8000ffff2780) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a95000,ffff8000ffff2780) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803ae485b0,c5005601,ffff800000a95000,1,fffffd803f7c6960,ffff8000ffff2780) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8036220e18,c5005601,ffff800000a95000,ffff8000ffff2780) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2780,ffff800015920528,ffff800015920570) at sys_ioctl+0x5b9 syscall(ffff8000159205f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,57eb2444010) at Xsyscall+0x128 end of kernel end trace frame: 0x5811c2d4a30, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015920130 rbx 0 rdx 0x19e3 __ALIGN_SIZE+0x9e3 rcx 0xffff800017b3f000 rax 0xffff800000aedf00 r8 0x1 r9 0 r10 0xa2021cc1f7aa5181 r11 0xb20c923d69c2197 r12 0 r13 0xfffffd802ea2ac78 r14 0 r15 0xffff800000aedf00 rip 0xffffffff8211656b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015920080 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=276699 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3b40,0xffffffff8256ac80 process=0xffff8000ffff66d0 user=0xffff80001591b000, vmspace=0xfffffd803f013660 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 65203 298856 8150 0 2 0 syz-executor.0 *65203 276699 8150 0 7 0x4000000 syz-executor.0 8150 27746 96785 0 2 0x482 syz-executor.0 98298 293719 0 0 3 0x14200 acct acct 8274 476430 96785 0 2 0x2 syz-executor.1 49266 427119 0 0 3 0x14200 bored sosplice 96785 424499 37634 0 3 0x82 thrsleep syz-fuzzer 96785 476816 37634 0 3 0x4000082 nanosleep syz-fuzzer 96785 153485 37634 0 3 0x4000082 thrsleep syz-fuzzer 96785 282660 37634 0 3 0x4000082 thrsleep syz-fuzzer 96785 237224 37634 0 3 0x4000082 kqread syz-fuzzer 96785 397600 37634 0 3 0x4000082 thrsleep syz-fuzzer 96785 80561 37634 0 3 0x4000082 thrsleep syz-fuzzer 96785 118409 37634 0 3 0x4000082 thrsleep syz-fuzzer 37634 165950 86942 0 3 0x10008a pause ksh 86942 291553 54503 0 3 0x92 select sshd 74200 78511 1 0 3 0x100083 ttyin getty 54503 254133 1 0 3 0x80 select sshd 45543 170933 81263 73 2 0x100090 syslogd 81263 363052 1 0 3 0x100082 netio syslogd 71321 153918 1 77 3 0x100090 poll dhclient 89183 407994 1 0 3 0x80 poll dhclient 49232 54653 0 0 2 0x14200 zerothread 69485 89889 0 0 3 0x14200 aiodoned aiodoned 93910 269249 0 0 3 0x14200 syncer update 67275 181013 0 0 3 0x14200 cleaner cleaner 9952 276379 0 0 3 0x14200 reaper reaper 73360 245065 0 0 3 0x14200 pgdaemon pagedaemon 7346 105432 0 0 3 0x14200 bored crynlk 18483 313779 0 0 3 0x14200 bored crypto 47049 234080 0 0 3 0x40014200 acpi0 acpi0 33907 107398 0 0 3 0x14200 bored softnet 35537 365778 0 0 3 0x14200 bored systqmp 67585 182376 0 0 3 0x14200 bored systq 83326 254372 0 0 3 0x40014200 bored softclock 54066 405943 0 0 3 0x40014200 idle0 61774 108287 0 0 3 0x14200 bored smr 1 22982 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 9521 6362K 7126K 78643K 15665 0 0 pcb 13 8K 8K 78643K 290 0 0 rtable 115 12K 12K 78643K 701 0 0 ifaddr 60 13K 14K 78643K 203 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 91 0 0 iov 0 0K 32K 78643K 235 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1223 77K 78K 78643K 3104 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 13 0 0 VM map 3 0K 0K 78643K 7 0 0 sem 12 0K 0K 78643K 496 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 1917 0 0 sigio 0 0K 0K 78643K 20 0 0 proc 50 38K 63K 78643K 764 0 0 subproc 32 2K 2K 78643K 153 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 33 2K 2K 78643K 176 0 0 ether_multi 1 0K 0K 78643K 7 0 0 mrt 0 0K 0K 78643K 11 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 431 0 0 pfkey data 0 0K 4K 78643K 4 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 112 22K 30K 78643K 5550 0 0 UVM aobj 72 3K 3K 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 220 0 0 NDP 13 0K 0K 78643K 64 0 0 temp 176 3531K 3635K 78643K 73928 0 0 kqueue 0 0K 1K 78643K 112 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 80 127 0 125 1 0 1 1 0 8 0 rtentry 112 119 0 75 2 0 2 2 0 8 0 unpcb 120 753 0 742 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5204 0 5204 1 1 0 1 0 8 0 tcpcb 544 388 0 384 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 inpcb 280 1519 0 1512 8 6 2 2 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 18 0 14 1 0 1 1 0 8 0 pkpcb 40 6 0 6 3 2 1 1 0 8 1 ppxss 1128 20 0 20 6 6 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 522 0 304 14 0 14 14 0 8 0 art_table 32 523 0 304 2 0 2 2 0 8 0 art_node 16 116 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 21 1 0 1 1 0 8 0 semapl 112 494 0 484 1 0 1 1 0 8 0 shmpl 112 74 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4233 0 2843 46 0 46 46 0 8 0 ffsino 240 4233 0 2843 83 0 83 83 0 8 0 nchpl 144 8248 0 6649 60 0 60 60 0 8 0 uvmvnodes 72 5696 0 0 104 0 104 104 0 8 0 vnodes 208 5696 0 0 300 0 300 300 0 8 0 namei 1024 25536 0 25536 4 3 1 1 0 8 1 vmpool 520 5 0 4 3 2 1 1 0 8 0 scsiplug 64 4 0 4 4 3 1 1 0 8 1 scxspl 192 21314 0 21314 17 16 1 7 0 8 1 plimitpl 152 179 0 172 1 0 1 1 0 8 0 sigapl 432 2067 0 2054 2 0 2 2 0 8 0 futexpl 56 53377 0 53377 3 2 1 1 0 8 1 knotepl 112 1623 0 1604 6 4 2 2 0 8 1 kqueuepl 104 4226 0 4224 1 0 1 1 0 8 0 pipepl 112 1290 0 1271 4 3 1 2 0 8 0 fdescpl 424 2068 0 2054 2 0 2 2 0 8 0 filepl 120 20041 0 19945 14 10 4 6 0 8 1 lockfpl 104 839 0 838 1 0 1 1 0 8 0 lockfspl 48 271 0 270 1 0 1 1 0 8 0 sessionpl 112 24 0 14 1 0 1 1 0 8 0 pgrppl 48 46 0 36 1 0 1 1 0 8 0 ucredpl 96 2258 0 2251 1 0 1 1 0 8 0 zombiepl 144 2055 0 2055 2 1 1 1 0 8 1 processpl 864 2085 0 2055 4 0 4 4 0 8 0 procpl 632 4515 0 4477 7 3 4 5 0 8 0 sosppl 128 26 0 26 7 7 0 1 0 8 0 sockpl 384 2468 0 2448 10 6 4 4 0 8 1 mcl64k 65536 54 0 54 10 9 1 1 0 8 1 mcl16k 16384 23 0 23 9 8 1 1 0 8 1 mcl12k 12288 41 0 41 9 8 1 1 0 8 1 mcl9k 9216 17 0 17 5 4 1 1 0 8 1 mcl8k 8192 85 0 85 5 4 1 1 0 8 1 mcl4k 4096 171 0 171 4 3 1 1 0 8 1 mcl2k2 2112 17 0 17 8 8 0 1 0 8 0 mcl2k 2048 56629 0 56585 20 14 6 15 0 8 0 mtagpl 80 41 0 30 2 1 1 1 0 8 0 mbufpl 256 102793 0 102663 14 4 10 10 0 8 0 bufpl 256 10678 0 5574 320 0 320 320 0 8 0 anonpl 16 199312 0 185456 119 58 61 76 0 62 0 amapchunkpl 152 10612 0 10503 52 45 7 29 0 158 0 amappl16 192 10052 0 9226 94 51 43 54 0 8 1 amappl15 184 318 0 317 1 0 1 1 0 8 0 amappl14 176 71 0 69 1 0 1 1 0 8 0 amappl13 168 983 0 982 2 1 1 1 0 8 0 amappl12 160 186 0 180 1 0 1 1 0 8 0 amappl11 152 68 0 57 1 0 1 1 0 8 0 amappl10 144 187 0 186 3 2 1 1 0 8 0 amappl9 136 728 0 720 1 0 1 1 0 8 0 amappl8 128 284 0 252 2 0 2 2 0 8 0 amappl7 120 245 0 240 1 0 1 1 0 8 0 amappl6 112 78 0 67 1 0 1 1 0 8 0 amappl5 104 375 0 364 1 0 1 1 0 8 0 amappl4 96 3009 0 2985 1 0 1 1 0 8 0 amappl3 88 247 0 242 1 0 1 1 0 8 0 amappl2 80 15822 0 15755 3 1 2 3 0 8 0 amappl1 72 46672 0 46260 27 18 9 20 0 8 0 amappl 80 4844 0 4806 4 2 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 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 4 2 0 2 2 0 8 0 uaddrrnd 24 2073 0 2054 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2073 0 2054 1 0 1 1 0 8 0 vmmpekpl 168 16533 0 16510 2 0 2 2 0 8 0 vmmpepl 168 250007 0 248122 229 122 107 113 0 357 19 vmsppl 272 2067 0 2054 2 1 1 2 0 8 0 pdppl 4096 4152 0 4116 6 1 5 6 0 8 0 pvpl 32 561265 0 544375 272 121 151 185 0 265 7 pmappl 200 2072 0 2058 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 498 0 49 13 0 13 13 0 8 0