uvm_fault(0xffffffff82538f58, 0xffff800000a57000, 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(0xffffffff82538f58, 0xffff800000a57000, 0, 1) -> e uvm_unmap_remove(ffff800000a56f00,0,1000,ffff80001596f330,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a56f00,0,1000,ffff80001596f330,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff80001596f3e0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a56f00,0,1000,ffff80001596f330,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a56f00,0,1000,ffff80001596f330,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a56f00,0,7,fffffd803f012000,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff8000148a1860,ffff8000ffff33d8) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a1a800,ffff8000ffff33d8) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a1a800,ffff8000ffff33d8) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd80365960d0,c5005601,ffff800000a1a800,1,fffffd803f7c6b40,ffff8000ffff33d8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8029a7d0f8,c5005601,ffff800000a1a800,ffff8000ffff33d8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff33d8,ffff80001596f788,ffff80001596f7d0) at sys_ioctl+0x5b9 syscall(ffff80001596f850) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9d5a5abe80, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001596f300 rbx 0 rdx 0x351 rcx 0xffff800014f39000 rax 0xffff800000a56f00 r8 0 r9 0x1 r10 0xd8ac3732a6f80a38 r11 0x17835132c96ac3af r12 0 r13 0xfffffd802d833890 r14 0x1000 __ALIGN_SIZE r15 0xffff800000a56f00 rip 0xffffffff815649cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001596f250 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=133951 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3160,0xffff8000ffff2028 process=0xffff8000ffff6a30 user=0xffff80001596a000, vmspace=0xfffffd803f012000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 94077 302289 31356 0 2 0 syz-executor.1 94077 215047 31356 0 3 0x4000080 poll syz-executor.1 94077 450375 31356 0 3 0x4000080 fsleep syz-executor.1 38225 469762 87285 0 2 0 syz-executor.0 38225 92287 87285 0 3 0x4000080 msgwait syz-executor.0 38225 477319 87285 0 3 0x4000080 msgwait syz-executor.0 38225 113127 87285 0 3 0x4000080 msgwait syz-executor.0 *38225 133951 87285 0 7 0x4000000 syz-executor.0 16220 453271 0 0 3 0x14200 bored sosplice 31356 304062 32793 0 3 0x82 nanosleep syz-executor.1 87285 221455 32793 0 3 0x82 nanosleep syz-executor.0 32793 430556 61816 0 3 0x82 thrsleep syz-fuzzer 32793 317294 61816 0 3 0x4000082 thrsleep syz-fuzzer 32793 70683 61816 0 3 0x4000082 thrsleep syz-fuzzer 32793 233015 61816 0 3 0x4000082 thrsleep syz-fuzzer 32793 168918 61816 0 3 0x4000082 thrsleep syz-fuzzer 32793 34127 61816 0 3 0x4000082 thrsleep syz-fuzzer 32793 109150 61816 0 3 0x4000082 thrsleep syz-fuzzer 32793 306674 61816 0 3 0x4000082 kqread syz-fuzzer 61816 186417 78779 0 3 0x10008a pause ksh 78779 475988 16643 0 3 0x92 select sshd 10367 21264 1 0 3 0x100083 ttyin getty 16643 507661 1 0 3 0x80 select sshd 67041 140678 87892 73 2 0x100090 syslogd 87892 40081 1 0 3 0x100082 netio syslogd 19966 486644 1 77 3 0x100090 poll dhclient 78486 121519 1 0 3 0x80 poll dhclient 17042 522228 0 0 2 0x14200 zerothread 91619 207133 0 0 3 0x14200 aiodoned aiodoned 16792 353885 0 0 3 0x14200 syncer update 22570 510200 0 0 3 0x14200 cleaner cleaner 19326 438283 0 0 3 0x14200 reaper reaper 92527 94756 0 0 3 0x14200 pgdaemon pagedaemon 64879 463737 0 0 3 0x14200 bored crynlk 94696 465136 0 0 3 0x14200 bored crypto 36896 427824 0 0 3 0x40014200 acpi0 acpi0 10909 16765 0 0 3 0x14200 bored softnet 69970 131945 0 0 3 0x14200 bored systqmp 68978 273210 0 0 3 0x14200 bored systq 59434 36426 0 0 2 0x40014200 softclock 73568 159589 0 0 3 0x40014200 idle0 67600 281199 0 0 3 0x14200 bored smr 1 686 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 9474 6410K 6789K 78643K 11160 0 pcb 13 8K 8K 78643K 57 0 rtable 110 3K 4K 78643K 254 0 ifaddr 55 12K 13K 78643K 78 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 23 0 iov 0 0K 12K 78643K 22 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1386 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 3 0K 0K 78643K 4 0 sem 12 0K 0K 78643K 56 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 195 0 sigio 0 0K 0K 78643K 2 0 proc 48 38K 63K 78643K 380 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 47 0 in_multi 55 2K 2K 78643K 76 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 72 318K 318K 78643K 72 0 exec 0 0K 1K 78643K 183 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 124 22K 31K 78643K 1323 0 UVM aobj 26 2K 2K 78643K 26 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 44 0 NDP 7 0K 0K 78643K 16 0 temp 114 3014K 3078K 78643K 5965 0 kqueue 0 0K 0K 78643K 2 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 10 0 1 1 0 1 1 0 8 0 rtpcb 80 35 0 33 1 0 1 1 0 8 0 rtentry 112 63 0 18 2 0 2 2 0 8 0 unpcb 120 169 0 161 2 0 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 34 0 34 1 1 0 1 0 8 0 tcpcb 544 78 0 74 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 90 0 90 1 1 0 1 0 8 0 inpcb 280 278 0 266 3 0 3 3 0 8 1 nd6 48 7 0 4 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 304 0 89 15 0 15 15 0 8 0 art_table 32 305 0 89 2 0 2 2 0 8 0 art_node 16 62 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 126 0 86 1 0 1 1 0 8 0 semupl 112 6 0 6 1 0 1 1 0 8 1 semapl 112 54 0 44 1 0 1 1 0 8 0 shmpl 112 24 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1708 0 304 46 0 46 46 0 8 0 ffsino 240 1708 0 304 83 0 83 83 0 8 0 nchpl 144 2191 0 576 60 0 60 60 0 8 0 uvmvnodes 72 1886 0 0 35 0 35 35 0 8 0 vnodes 208 1886 0 0 100 0 100 100 0 8 0 namei 1024 6099 0 6099 1 0 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 192 6359 0 6359 8 2 6 7 0 8 6 plimitpl 152 36 0 29 1 0 1 1 0 8 0 sigapl 432 366 0 352 2 0 2 2 0 8 0 futexpl 56 6248 0 6247 1 0 1 1 0 8 0 knotepl 112 71 0 52 1 0 1 1 0 8 0 kqueuepl 104 43 0 40 1 0 1 1 0 8 0 pipepl 128 270 0 251 2 0 2 2 0 8 1 fdescpl 424 367 0 352 2 0 2 2 0 8 0 filepl 120 2842 0 2740 6 0 6 6 0 8 2 lockfpl 104 86 0 85 1 0 1 1 0 8 0 lockfspl 48 25 0 24 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 65 0 55 1 0 1 1 0 8 0 ucredpl 96 264 0 257 1 0 1 1 0 8 0 zombiepl 144 352 0 352 1 0 1 1 0 8 1 processpl 864 382 0 352 4 0 4 4 0 8 0 procpl 632 595 0 552 4 0 4 4 0 8 0 sosppl 128 1 0 1 1 0 1 1 0 8 1 sockpl 384 488 0 471 6 0 6 6 0 8 4 mcl64k 65536 12 0 12 1 0 1 1 0 8 1 mcl16k 16384 3 0 3 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 1 0 1 1 0 8 1 mcl9k 9216 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 1 0 1 1 0 8 1 mcl4k 4096 28 0 28 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 69074 0 69027 17 9 8 15 0 8 1 mtagpl 80 10 0 2 2 1 1 1 0 8 0 mbufpl 256 111108 0 110932 23 8 15 21 0 8 2 bufpl 280 6863 0 1956 351 0 351 351 0 8 0 anonpl 16 56495 0 36247 88 1 87 87 0 62 5 amapchunkpl 152 1836 0 1676 11 0 11 11 0 158 4 amappl16 192 1894 0 776 57 0 57 57 0 8 0 amappl15 184 52 0 47 1 0 1 1 0 8 0 amappl14 176 24 0 23 1 0 1 1 0 8 0 amappl13 168 7 0 6 1 0 1 1 0 8 0 amappl12 160 12 0 11 1 0 1 1 0 8 0 amappl11 152 139 0 124 1 0 1 1 0 8 0 amappl10 144 10 0 10 1 1 0 1 0 8 0 amappl9 136 638 0 633 1 0 1 1 0 8 0 amappl8 128 201 0 171 2 1 1 2 0 8 0 amappl7 120 89 0 79 1 0 1 1 0 8 0 amappl6 112 141 0 129 1 0 1 1 0 8 0 amappl5 104 146 0 135 1 0 1 1 0 8 0 amappl4 96 757 0 727 1 0 1 1 0 8 0 amappl3 88 123 0 115 1 0 1 1 0 8 0 amappl2 80 2108 0 2030 3 1 2 3 0 8 0 amappl1 72 15934 0 15476 26 16 10 20 0 8 0 amappl 80 834 0 785 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 25 0 0 1 0 1 1 0 8 0 uaddrrnd 24 369 0 352 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 369 0 352 1 0 1 1 0 8 0 vmmpekpl 168 6670 0 6644 2 0 2 2 0 8 0 vmmpepl 168 51605 0 49242 140 13 127 133 0 357 24 vmsppl 272 366 0 352 2 1 1 2 0 8 0 pdppl 4096 744 0 706 6 1 5 6 0 8 0 pvpl 32 170387 0 146990 203 0 203 203 0 265 14 pmappl 200 368 0 353 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 159 0 22 5 0 5 5 0 8 0