uvm_fault(0xffffffff82512c50, 0xffff800000ab5000, 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(0xffffffff82512c50, 0xffff800000ab5000, 0, 1) -> e uvm_unmap_remove(ffff800000ab4f00,0,71d000,ffff800017969be0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ab4f00,0,71d000,ffff800017969be0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800017969c90, count: 0 ddb> trace uvm_unmap_remove(ffff800000ab4f00,0,71d000,ffff800017969be0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ab4f00,0,71d000,ffff800017969be0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000ab4f00,0,7,fffffd803f012dd0,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff80001488dc70,ffff8000ffff2528) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000ac5000,ffff8000ffff2528) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ac5000,ffff8000ffff2528) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803bbb29c0,c5005601,ffff800000ac5000,1,fffffd803f7c6660,ffff8000ffff2528) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802a9e0108,c5005601,ffff800000ac5000,ffff8000ffff2528) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff2528,ffff80001796a038,ffff80001796a080) at sys_ioctl+0x5b9 syscall(ffff80001796a100) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x775430de4f0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017969bb0 rbx 0 rdx 0x552 rcx 0xffff800016b47000 rax 0xffff800000ab4f00 r8 0 r9 0x1 r10 0xdff5281ba55e594c r11 0xa8574382e3be1a66 r12 0 r13 0xfffffd802d69cc98 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000ab4f00 rip 0xffffffff81fdb9fb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017969b00 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=468503 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2f48,0xffff8000ffff2a48 process=0xffff8000ffff6e10 user=0xffff800017965000, vmspace=0xfffffd803f012dd0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 11836 229072 97552 0 2 0 syz-executor.1 *11836 468503 97552 0 7 0x4000000 syz-executor.1 11836 13028 97552 0 3 0x4000080 fsleep syz-executor.1 93354 173724 86415 0 3 0x80 nanosleep syz-executor.0 93354 418381 86415 0 3 0x4000080 netcon syz-executor.0 93354 318545 86415 0 3 0x4000080 fsleep syz-executor.0 72366 189753 0 0 3 0x14200 bored sosplice 86415 45653 41597 0 3 0x82 nanosleep syz-executor.0 97552 323852 41597 0 3 0x82 nanosleep syz-executor.1 41597 109132 22232 0 3 0x82 thrsleep syz-fuzzer 41597 413405 22232 0 3 0x4000082 thrsleep syz-fuzzer 41597 32703 22232 0 3 0x4000082 thrsleep syz-fuzzer 41597 155474 22232 0 3 0x4000082 thrsleep syz-fuzzer 41597 153086 22232 0 3 0x4000082 thrsleep syz-fuzzer 41597 86905 22232 0 3 0x4000082 kqread syz-fuzzer 41597 454021 22232 0 3 0x4000082 thrsleep syz-fuzzer 22232 64752 27841 0 3 0x10008a pause ksh 27841 151466 12272 0 3 0x92 select sshd 86846 115282 1 0 3 0x100083 ttyin getty 12272 507576 1 0 3 0x80 select sshd 48376 488117 48714 73 3 0x100090 kqread syslogd 48714 160396 1 0 3 0x100082 netio syslogd 89362 349760 1 77 3 0x100090 poll dhclient 54709 476705 1 0 3 0x80 poll dhclient 73234 249616 0 0 2 0x14200 zerothread 29853 306319 0 0 3 0x14200 aiodoned aiodoned 81425 382425 0 0 3 0x14200 syncer update 7562 384246 0 0 3 0x14200 cleaner cleaner 53549 43039 0 0 3 0x14200 reaper reaper 49541 189733 0 0 3 0x14200 pgdaemon pagedaemon 78638 119579 0 0 3 0x14200 bored crynlk 73423 91267 0 0 3 0x14200 bored crypto 24341 171003 0 0 3 0x40014200 acpi0 acpi0 30962 385151 0 0 3 0x14200 bored softnet 5983 372392 0 0 3 0x14200 bored systqmp 54719 228096 0 0 3 0x14200 bored systq 77429 187547 0 0 3 0x40014200 bored softclock 81565 495031 0 0 3 0x40014200 idle0 3543 64716 0 0 3 0x14200 bored smr 1 154752 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 devbuf 9488 6340K 6917K 78643K 11053 0 pcb 13 8K 8K 78643K 56 0 rtable 99 3K 4K 78643K 240 0 ifaddr 62 12K 13K 78643K 86 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 29 0 iov 0 0K 16K 78643K 46 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1366 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 3 0K 0K 78643K 4 0 sem 12 0K 0K 78643K 58 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 170 0 sigio 0 0K 0K 78643K 2 0 proc 48 38K 63K 78643K 373 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 26 0 in_multi 39 2K 3K 78643K 50 0 ether_multi 1 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 54 238K 238K 78643K 54 0 exec 0 0K 1K 78643K 193 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 107 21K 25K 78643K 1246 0 UVM aobj 15 2K 2K 78643K 18 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 40 0 NDP 10 0K 0K 78643K 18 0 temp 100 3556K 3626K 78643K 10181 0 kqueue 0 0K 0K 78643K 4 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 7 0 0 1 0 1 1 0 8 0 rtpcb 96 37 0 35 1 0 1 1 0 8 0 rtentry 112 46 0 7 2 0 2 2 0 8 0 unpcb 120 97 0 89 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 272 0 272 1 1 0 1 0 8 0 tcpcb 640 68 0 62 1 0 1 1 0 8 0 inpcb 280 413 0 401 2 0 2 2 0 8 1 nd6 48 4 0 2 1 0 1 1 0 8 0 ppxss 1128 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 213 0 39 14 0 14 14 0 8 1 art_table 32 214 0 39 2 0 2 2 0 8 0 art_node 16 45 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 52 0 42 1 0 1 1 0 8 0 shmpl 112 16 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1642 0 246 46 0 46 46 0 8 0 ffsino 240 1642 0 246 83 0 83 83 0 8 0 nchpl 144 2078 0 469 60 0 60 60 0 8 0 uvmvnodes 72 1791 0 0 33 0 33 33 0 8 0 vnodes 208 1791 0 0 95 0 95 95 0 8 0 namei 1024 5477 0 5477 1 0 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 208 6210 0 6210 8 1 7 7 0 8 7 plimitpl 152 24 0 17 1 0 1 1 0 8 0 sigapl 432 340 0 326 2 0 2 2 0 8 0 futexpl 56 4544 0 4542 1 0 1 1 0 8 0 knotepl 112 85 0 66 1 0 1 1 0 8 0 kqueuepl 104 78 0 76 1 0 1 1 0 8 0 pipepl 128 230 0 211 2 0 2 2 0 8 1 fdescpl 424 341 0 326 2 0 2 2 0 8 0 filepl 120 2370 0 2269 4 0 4 4 0 8 0 lockfpl 104 56 0 55 1 0 1 1 0 8 0 lockfspl 48 16 0 15 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 242 0 234 1 0 1 1 0 8 0 zombiepl 144 326 0 326 1 0 1 1 0 8 1 processpl 896 356 0 326 4 0 4 4 0 8 0 procpl 648 554 0 514 4 0 4 4 0 8 0 sosppl 144 3 0 3 1 0 1 1 0 8 1 sockpl 384 555 0 535 4 0 4 4 0 8 2 mcl64k 65536 18 0 18 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 7 0 7 1 0 1 1 0 8 1 mcl9k 9216 3 0 3 1 1 0 1 0 8 0 mcl8k 8192 14 0 12 1 0 1 1 0 8 0 mcl4k 4096 35 0 35 2 1 1 1 0 8 1 mcl2k 2048 70213 0 70182 13 8 5 12 0 8 0 mtagpl 80 30 0 2 2 1 1 1 0 8 0 mbufpl 256 112200 0 112039 13 1 12 12 0 8 0 bufpl 280 6392 0 1591 347 0 347 347 0 8 3 anonpl 16 62523 0 42333 99 1 98 98 0 62 15 amapchunkpl 152 1829 0 1676 11 1 10 11 0 158 2 amappl16 192 2561 0 1438 73 4 69 69 0 8 12 amappl14 176 47 0 42 1 0 1 1 0 8 0 amappl12 160 18 0 16 2 1 1 1 0 8 0 amappl11 152 46 0 35 1 0 1 1 0 8 0 amappl10 144 69 0 65 1 0 1 1 0 8 0 amappl9 136 553 0 548 1 0 1 1 0 8 0 amappl8 128 164 0 135 2 0 2 2 0 8 0 amappl7 120 91 0 87 1 0 1 1 0 8 0 amappl6 112 65 0 55 1 0 1 1 0 8 0 amappl5 104 161 0 151 1 0 1 1 0 8 0 amappl4 96 555 0 526 1 0 1 1 0 8 0 amappl3 88 123 0 115 1 0 1 1 0 8 0 amappl2 80 1954 0 1880 3 1 2 3 0 8 0 amappl1 72 15522 0 15081 25 16 9 20 0 8 0 amappl 80 787 0 740 2 0 2 2 0 84 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 17 0 3 1 0 1 1 0 8 0 uaddrrnd 24 343 0 326 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 343 0 326 1 0 1 1 0 8 0 vmmpekpl 168 6500 0 6476 2 0 2 2 0 8 0 vmmpepl 168 49815 0 47496 180 10 170 175 0 357 69 vmsppl 272 340 0 326 2 1 1 2 0 8 0 pdppl 4096 692 0 654 6 1 5 6 0 8 0 pvpl 32 180087 0 156777 228 0 228 228 0 265 40 pmappl 200 342 0 327 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 143 0 14 4 0 4 4 0 8 0