uvm_fault(0xffffffff82512c50, 0xffff800000ab6000, 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, 0xffff800000ab6000, 0, 1) -> e uvm_unmap_remove(ffff800000ab5f00,0,71c000,ffff80001695a660,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ab5f00,0,71c000,ffff80001695a660,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff80001695a710, count: 0 ddb> trace uvm_unmap_remove(ffff800000ab5f00,0,71c000,ffff80001695a660,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ab5f00,0,71c000,ffff80001695a660,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000ab5f00,0,7,fffffd803f012330,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff800016962e38,ffff8000ffff3bf0) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000ab0000,ffff8000ffff3bf0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ab0000,ffff8000ffff3bf0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803e8f49c0,c5005601,ffff800000ab0000,1,fffffd803f7c69c0,ffff8000ffff3bf0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803620cf08,c5005601,ffff800000ab0000,ffff8000ffff3bf0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3bf0,ffff80001695aab8,ffff80001695ab00) at sys_ioctl+0x5b9 syscall(ffff80001695ab80) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5abaa3eb200, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001695a630 rbx 0 rdx 0x5d1 rcx 0xffff800017b4d000 rax 0xffff800000ab5f00 r8 0 r9 0x1 r10 0x8aeb4c33d2bd3f5 r11 0xcdb7578b4206abc3 r12 0 r13 0xfffffd802d4a4a48 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000ab5f00 rip 0xffffffff81fdb9fb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001695a580 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=250056 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2cc0,0xffff8000ffff31e0 process=0xffff8000ffff6e10 user=0xffff800016955000, vmspace=0xfffffd803f012330 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5326 46011 3024 0 2 0 syz-executor.0 * 5326 250056 3024 0 7 0x4000000 syz-executor.0 95052 291685 43632 0 3 0x80 nanosleep syz-executor.1 95052 101899 43632 0 3 0x4000080 ttyin syz-executor.1 95052 206074 43632 0 3 0x4000080 fsleep syz-executor.1 3024 380919 58175 0 3 0x82 nanosleep syz-executor.0 88821 229896 0 0 3 0x14200 bored sosplice 43632 110024 58175 0 3 0x82 nanosleep syz-executor.1 58175 181284 25186 0 3 0x82 thrsleep syz-fuzzer 58175 333296 25186 0 3 0x4000082 thrsleep syz-fuzzer 58175 145602 25186 0 3 0x4000082 thrsleep syz-fuzzer 58175 273511 25186 0 3 0x4000082 thrsleep syz-fuzzer 58175 178356 25186 0 3 0x4000082 thrsleep syz-fuzzer 58175 437214 25186 0 3 0x4000082 kqread syz-fuzzer 58175 302479 25186 0 3 0x4000082 thrsleep syz-fuzzer 25186 353430 77016 0 3 0x10008a pause ksh 77016 263295 90232 0 3 0x92 select sshd 96944 15053 1 0 3 0x100083 ttyin getty 90232 199923 1 0 3 0x80 select sshd 89417 65519 64161 73 3 0x100090 kqread syslogd 64161 144734 1 0 3 0x100082 netio syslogd 20125 255878 1 77 3 0x100090 poll dhclient 48515 106095 1 0 3 0x80 poll dhclient 33277 183374 0 0 2 0x14200 zerothread 5890 211806 0 0 3 0x14200 aiodoned aiodoned 26884 253803 0 0 3 0x14200 syncer update 13444 209741 0 0 3 0x14200 cleaner cleaner 56459 410725 0 0 3 0x14200 reaper reaper 56165 100894 0 0 3 0x14200 pgdaemon pagedaemon 25413 375683 0 0 3 0x14200 bored crynlk 1460 207923 0 0 3 0x14200 bored crypto 10051 212426 0 0 3 0x40014200 acpi0 acpi0 67320 101985 0 0 3 0x14200 bored softnet 86654 460916 0 0 3 0x14200 bored systqmp 40442 40260 0 0 3 0x14200 bored systq 45490 396818 0 0 3 0x40014200 bored softclock 30209 354902 0 0 3 0x40014200 idle0 27665 401998 0 0 3 0x14200 bored smr 1 421256 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 9481 6337K 6729K 78643K 10930 0 pcb 13 8K 8K 78643K 124 0 rtable 107 3K 3K 78643K 259 0 ifaddr 62 13K 13K 78643K 76 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 26 0 iov 0 0K 16K 78643K 44 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 77K 78643K 1346 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 5 1K 1K 78643K 5 0 sem 12 0K 0K 78643K 62 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 197 0 sigio 0 0K 0K 78643K 6 0 proc 48 38K 63K 78643K 414 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 13 0 in_multi 59 3K 3K 78643K 77 0 ether_multi 1 0K 0K 78643K 2 0 mrt 1 0K 0K 78643K 4 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 202 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 114 38K 38K 78643K 1349 0 UVM aobj 27 2K 2K 78643K 27 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 40 0 NDP 9 0K 0K 78643K 17 0 temp 122 3558K 3624K 78643K 4759 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 8 0 2 1 0 1 1 0 8 0 rtpcb 96 35 0 33 1 0 1 1 0 8 0 rtentry 112 61 0 16 2 0 2 2 0 8 0 unpcb 120 145 0 137 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 300 0 300 1 1 0 1 0 8 0 tcpcb 640 83 0 79 2 0 2 2 0 8 1 ipq 40 2 0 2 1 0 1 1 0 8 1 ipqe 40 90 0 90 1 0 1 1 0 8 1 inpcb 280 339 0 332 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 7 0 3 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 285 0 67 14 0 14 14 0 8 0 art_table 32 287 0 67 2 0 2 2 0 8 0 art_node 16 60 0 19 1 0 1 1 0 8 0 sysvmsgpl 40 49 0 19 1 0 1 1 0 8 0 semapl 112 60 0 50 1 0 1 1 0 8 0 shmpl 112 25 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1655 0 256 46 0 46 46 0 8 0 ffsino 240 1655 0 256 83 0 83 83 0 8 0 nchpl 144 2165 0 568 60 0 60 60 0 8 0 uvmvnodes 72 1797 0 0 33 0 33 33 0 8 0 vnodes 208 1797 0 0 95 0 95 95 0 8 0 namei 1024 5798 0 5798 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 520 3 0 0 1 0 1 1 0 8 0 scxspl 208 6340 0 6340 8 1 7 7 0 8 7 plimitpl 152 27 0 20 1 0 1 1 0 8 0 sigapl 432 364 0 350 2 0 2 2 0 8 0 futexpl 56 6147 0 6146 1 0 1 1 0 8 0 knotepl 112 82 0 63 1 0 1 1 0 8 0 kqueuepl 104 35 0 33 1 0 1 1 0 8 0 pipepl 128 234 0 215 2 0 2 2 0 8 1 fdescpl 424 365 0 350 2 0 2 2 0 8 0 filepl 120 2584 0 2486 5 0 5 5 0 8 2 lockfpl 104 82 0 81 1 0 1 1 0 8 0 lockfspl 48 27 0 26 1 0 1 1 0 8 0 sessionpl 128 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 235 0 228 1 0 1 1 0 8 0 zombiepl 144 350 0 350 1 0 1 1 0 8 1 processpl 896 380 0 350 4 0 4 4 0 8 0 procpl 648 610 0 571 4 0 4 4 0 8 0 sosppl 144 2 0 2 1 1 0 1 0 8 0 sockpl 384 532 0 515 4 0 4 4 0 8 2 mcl64k 65536 9 0 9 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 2 1 1 1 0 8 1 mcl9k 9216 6 0 6 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 2 1 1 1 0 8 1 mcl4k 4096 27 0 27 2 1 1 1 0 8 1 mcl2k2 2112 4 0 4 2 1 1 1 0 8 1 mcl2k 2048 69999 0 69970 13 8 5 12 0 8 0 mtagpl 80 9 0 4 2 1 1 1 0 8 0 mbufpl 256 112198 0 112108 19 2 17 18 0 8 8 bufpl 280 6840 0 1916 352 0 352 352 0 8 0 anonpl 16 56654 0 37260 84 2 82 82 0 62 1 amapchunkpl 152 1685 0 1529 8 0 8 8 0 158 1 amappl16 192 2061 0 939 58 0 58 58 0 8 1 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 80 0 75 1 0 1 1 0 8 0 amappl12 160 48 0 44 1 0 1 1 0 8 0 amappl11 152 133 0 119 1 0 1 1 0 8 0 amappl10 144 8 0 7 2 1 1 1 0 8 0 amappl9 136 568 0 565 1 0 1 1 0 8 0 amappl8 128 165 0 137 1 0 1 1 0 8 0 amappl7 120 37 0 34 1 0 1 1 0 8 0 amappl6 112 133 0 122 1 0 1 1 0 8 0 amappl5 104 196 0 182 1 0 1 1 0 8 0 amappl4 96 511 0 483 1 0 1 1 0 8 0 amappl3 88 220 0 213 1 0 1 1 0 8 0 amappl2 80 2062 0 1987 3 1 2 3 0 8 0 amappl1 72 16455 0 16038 26 17 9 20 0 8 1 amappl 80 850 0 802 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 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 26 0 0 1 0 1 1 0 8 0 uaddrrnd 24 368 0 350 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 368 0 350 1 0 1 1 0 8 0 vmmpekpl 168 6744 0 6720 2 0 2 2 0 8 0 vmmpepl 168 52328 0 50037 143 5 138 138 0 357 38 vmsppl 272 364 0 350 2 1 1 2 0 8 0 pdppl 4096 742 0 702 6 1 5 6 0 8 0 pvpl 32 174005 0 151483 192 1 191 192 0 265 5 pmappl 200 367 0 350 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 150 0 16 4 0 4 4 0 8 0