uvm_fault(0xffffffff8254f790, 0xffff800000beb000, 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(0xffffffff8254f790, 0xffff800000beb000, 0, 1) -> e uvm_unmap_remove(ffff800000beaf00,0,80000000,ffff800017793348,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000beaf00,0,80000000,ffff800017793348,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800017793380, count: 0 ddb> trace uvm_unmap_remove(ffff800000beaf00,0,80000000,ffff800017793348,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000beaf00,0,80000000,ffff800017793348,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000beaf00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff80001595fc78,ffff8000ffff3b40) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000aaa800,ffff8000ffff3b40) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000aaa800,ffff8000ffff3b40) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80362005b0,c5005601,ffff800000aaa800,1,fffffd803f7c6c00,ffff8000ffff3b40) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ee9bf18,c5005601,ffff800000aaa800,ffff8000ffff3b40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff3b40,ffff800017793728,ffff800017793770) at sys_ioctl+0x5b9 syscall(ffff8000177937f0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,86551fa0010) at Xsyscall+0x128 end of kernel end trace frame: 0x867c6f6ccf0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017793330 rbx 0 rdx 0x22e1 __ALIGN_SIZE+0x12e1 rcx 0xffff800015719000 rax 0xffff800000beaf00 r8 0x1 r9 0 r10 0xdd20134625c0f88 r11 0xcd3d2f9b52ffc2a0 r12 0 r13 0xfffffd80356cb778 r14 0 r15 0xffff800000beaf00 rip 0xffffffff815451bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017793280 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=262399 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2ee8,0xffffffff8258e3e0 process=0xffff8000148a3458 user=0xffff80001778e000, vmspace=0xfffffd803f013220 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 46572 211632 51340 0 2 0 syz-executor.1 *46572 262399 51340 0 7 0x4000000 syz-executor.1 51340 150637 40531 0 3 0x82 nanosleep syz-executor.1 29314 24164 1 0 3 0x100083 ttyin getty 79968 497950 40531 0 3 0x82 nanosleep syz-executor.0 99237 298972 0 0 3 0x14200 acct acct 39661 67891 0 0 3 0x14200 bored sosplice 40531 497011 66664 0 3 0x82 thrsleep syz-fuzzer 40531 249444 66664 0 3 0x4000082 thrsleep syz-fuzzer 40531 88190 66664 0 3 0x4000082 thrsleep syz-fuzzer 40531 364552 66664 0 3 0x4000082 thrsleep syz-fuzzer 40531 474909 66664 0 3 0x4000082 thrsleep syz-fuzzer 40531 295294 66664 0 3 0x4000082 kqread syz-fuzzer 40531 376539 66664 0 3 0x4000082 thrsleep syz-fuzzer 66664 447783 53508 0 3 0x10008a pause ksh 53508 187710 66790 0 3 0x92 select sshd 66790 16676 1 0 3 0x80 select sshd 11076 251736 29526 73 2 0x100090 syslogd 29526 437687 1 0 3 0x100082 netio syslogd 71503 81440 1 77 3 0x100090 poll dhclient 51864 236110 1 0 3 0x80 poll dhclient 25361 414236 0 0 2 0x14200 zerothread 39332 196331 0 0 3 0x14200 aiodoned aiodoned 76768 57110 0 0 3 0x14200 syncer update 50151 86367 0 0 3 0x14200 cleaner cleaner 76449 394929 0 0 3 0x14200 reaper reaper 23952 263325 0 0 3 0x14200 pgdaemon pagedaemon 93989 293002 0 0 3 0x14200 bored crynlk 39389 115342 0 0 3 0x14200 bored crypto 47538 225810 0 0 3 0x40014200 acpi0 acpi0 12545 384295 0 0 3 0x14200 bored softnet 25406 270116 0 0 3 0x14200 bored systqmp 22475 321532 0 0 3 0x14200 bored systq 27359 261419 0 0 3 0x40014200 bored softclock 55391 233516 0 0 3 0x40014200 idle0 18417 310251 0 0 3 0x14200 bored smr 1 340089 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 9563 7002K 8396K 78643K 20965 0 0 pcb 13 8K 8K 78643K 226 0 0 rtable 114 4K 4K 78643K 810 0 0 ifaddr 59 13K 14K 78643K 224 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 147 0 0 iov 0 0K 24K 78643K 332 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1240 78K 78K 78643K 4180 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 30 0 0 VM map 3 0K 0K 78643K 7 0 0 sem 12 0K 1K 78643K 246 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 1790 0 0 sigio 0 0K 0K 78643K 34 0 0 proc 50 38K 63K 78643K 868 0 0 subproc 32 2K 2K 78643K 189 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 158 0 0 in_multi 33 2K 2K 78643K 165 0 0 ether_multi 1 0K 0K 78643K 6 0 0 mrt 0 0K 0K 78643K 10 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 84 371K 371K 78643K 84 0 0 exec 0 0K 1K 78643K 435 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 111 22K 31K 78643K 5134 0 0 UVM aobj 81 3K 3K 78643K 97 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 203 0 0 NDP 12 0K 0K 78643K 73 0 0 temp 169 3531K 3601K 78643K 48952 0 0 kqueue 0 0K 0K 78643K 8 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 25 0 19 1 0 1 1 0 8 0 rtpcb 80 115 0 113 1 0 1 1 0 8 0 rtentry 112 141 0 96 2 0 2 2 0 8 0 unpcb 120 710 0 693 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 2654 0 2654 1 1 0 1 0 8 0 tcpcb 544 336 0 332 1 0 1 1 0 8 0 inpcb 280 1130 0 1123 2 1 1 2 0 8 0 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 22 0 18 2 1 1 1 0 8 0 pkpcb 40 10 0 10 3 3 0 1 0 8 0 ppxss 1128 20 0 20 6 5 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 617 0 398 16 2 14 14 0 8 0 art_table 32 618 0 398 2 0 2 2 0 8 0 art_node 16 137 0 97 1 0 1 1 0 8 0 sysvmsgpl 40 29 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 244 0 234 1 0 1 1 0 8 0 shmpl 112 95 0 16 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4034 0 2643 46 0 46 46 0 8 0 ffsino 240 4034 0 2643 83 0 83 83 0 8 0 nchpl 144 7241 0 5636 60 0 60 60 0 8 0 uvmvnodes 72 6560 0 0 120 0 120 120 0 8 0 vnodes 208 6560 0 0 346 0 346 346 0 8 0 namei 1024 25765 0 25765 3 2 1 1 0 8 1 vmpool 520 5 0 4 2 1 1 1 0 8 0 scsiplug 64 3 0 3 3 3 0 1 0 8 0 scxspl 192 23284 0 23284 16 14 2 7 0 8 2 plimitpl 152 178 0 171 1 0 1 1 0 8 0 sigapl 432 1936 0 1923 2 0 2 2 0 8 0 futexpl 56 40195 0 40195 3 2 1 1 0 8 1 knotepl 112 474 0 455 1 0 1 1 0 8 0 kqueuepl 104 347 0 345 1 0 1 1 0 8 0 pipepl 112 1038 0 1019 4 3 1 2 0 8 0 fdescpl 424 1937 0 1923 2 0 2 2 0 8 0 filepl 120 15493 0 15397 9 5 4 5 0 8 0 lockfpl 104 668 0 667 1 0 1 1 0 8 0 lockfspl 48 204 0 203 1 0 1 1 0 8 0 sessionpl 112 28 0 18 1 0 1 1 0 8 0 pgrppl 48 52 0 42 1 0 1 1 0 8 0 ucredpl 96 2972 0 2964 1 0 1 1 0 8 0 zombiepl 144 1923 0 1922 2 1 1 1 0 8 0 processpl 864 1953 0 1922 4 0 4 4 0 8 0 procpl 632 4036 0 3998 4 0 4 4 0 8 0 sosppl 128 26 0 26 5 4 1 1 0 8 1 sockpl 384 1982 0 1956 5 1 4 4 0 8 0 mcl64k 65536 314 0 314 36 35 1 32 0 8 1 mcl16k 16384 12 0 12 5 5 0 1 0 8 0 mcl12k 12288 28 0 28 6 5 1 1 0 8 1 mcl9k 9216 19 0 19 6 5 1 1 0 8 1 mcl8k 8192 47 0 47 6 5 1 1 0 8 1 mcl4k 4096 180 0 180 3 2 1 1 0 8 1 mcl2k2 2112 7 0 7 3 2 1 1 0 8 1 mcl2k 2048 61344 0 61290 17 9 8 14 0 8 0 mtagpl 80 53 0 45 3 2 1 1 0 8 0 mbufpl 256 108306 0 108183 29 18 11 22 0 8 1 bufpl 256 12882 0 5579 457 0 457 457 0 8 0 anonpl 16 194690 0 181036 107 37 70 75 0 62 8 amapchunkpl 152 9183 0 9052 32 25 7 16 0 158 0 amappl16 192 9077 0 8286 89 41 48 52 0 8 8 amappl15 184 278 0 278 1 1 0 1 0 8 0 amappl14 176 349 0 346 1 0 1 1 0 8 0 amappl13 168 281 0 281 2 2 0 1 0 8 0 amappl12 160 54 0 53 2 1 1 1 0 8 0 amappl11 152 547 0 534 1 0 1 1 0 8 0 amappl10 144 13 0 11 1 0 1 1 0 8 0 amappl9 136 1038 0 1032 1 0 1 1 0 8 0 amappl8 128 626 0 598 1 0 1 1 0 8 0 amappl7 120 77 0 70 1 0 1 1 0 8 0 amappl6 112 558 0 543 1 0 1 1 0 8 0 amappl5 104 384 0 375 1 0 1 1 0 8 0 amappl4 96 2135 0 2105 1 0 1 1 0 8 0 amappl3 88 730 0 723 1 0 1 1 0 8 0 amappl2 80 14208 0 14141 3 1 2 3 0 8 0 amappl1 72 44488 0 44085 27 18 9 20 0 8 0 amappl 80 4393 0 4350 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 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 96 0 16 2 0 2 2 0 8 0 uaddrrnd 24 1942 0 1923 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1942 0 1923 1 0 1 1 0 8 0 vmmpekpl 168 15886 0 15863 2 0 2 2 0 8 0 vmmpepl 168 233784 0 231939 192 82 110 115 0 357 24 vmsppl 272 1936 0 1923 4 3 1 2 0 8 0 pdppl 4096 3890 0 3854 6 1 5 6 0 8 0 pvpl 32 642845 0 626078 312 116 196 282 0 265 47 pmappl 200 1941 0 1927 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 672 0 84 17 0 17 17 0 8 0