uvm_fault(0xffffffff82538f58, 0xffff800000a49000, 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, 0xffff800000a49000, 0, 1) -> e uvm_unmap_remove(ffff800000a48f00,0,80000000,ffff800017b87ba8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a48f00,0,80000000,ffff800017b87ba8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800017b87be0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a48f00,0,80000000,ffff800017b87ba8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a48f00,0,80000000,ffff800017b87ba8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_map_deallocate(ffff800000a48f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4242 vm_impl_init_vmx(ffff8000148a0208,ffff8000ffff3b40) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a24000,ffff8000ffff3b40) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a24000,ffff8000ffff3b40) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803e8155b0,c5005601,ffff800000a24000,1,fffffd803f7c6ba0,ffff8000ffff3b40) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803b8398f0,c5005601,ffff800000a24000,ffff8000ffff3b40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3b40,ffff800017b87f88,ffff800017b87fd0) at sys_ioctl+0x5b9 syscall(ffff800017b88050) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a24f156b50, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017b87b90 rbx 0 rdx 0x173c __ALIGN_SIZE+0x73c rcx 0xffff80001795f000 rax 0xffff800000a48f00 r8 0x1 r9 0 r10 0xcef8cc59dafbfa9b r11 0x2c2440cfcb034942 r12 0 r13 0xfffffd802d8de7b0 r14 0 r15 0xffff800000a48f00 rip 0xffffffff815649cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017b87ae0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=97506 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2508,0xffffffff82545ea8 process=0xffff8000148b2a38 user=0xffff800017b83000, vmspace=0xfffffd803f012220 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77613 351316 33780 0 2 0 syz-executor.1 *77613 97506 33780 0 7 0x4000000 syz-executor.1 51778 398033 52655 0 2 0x2 syz-executor.0 33780 169470 52655 0 3 0x82 nanosleep syz-executor.1 45173 463627 0 0 3 0x14200 acct acct 44721 380691 0 0 3 0x14200 bored sosplice 52655 57629 5116 0 3 0x82 thrsleep syz-fuzzer 52655 87390 5116 0 3 0x4000082 thrsleep syz-fuzzer 52655 97395 5116 0 3 0x4000082 thrsleep syz-fuzzer 52655 361774 5116 0 3 0x4000082 thrsleep syz-fuzzer 52655 69009 5116 0 3 0x4000082 thrsleep syz-fuzzer 52655 169754 5116 0 3 0x4000082 kqread syz-fuzzer 52655 62179 5116 0 3 0x4000082 thrsleep syz-fuzzer 52655 416984 5116 0 3 0x4000082 thrsleep syz-fuzzer 5116 15473 88510 0 3 0x10008a pause ksh 88510 319607 92006 0 3 0x92 select sshd 80372 138862 1 0 3 0x100083 ttyopn getty 92006 331201 1 0 3 0x80 select sshd 97092 31571 40557 73 3 0x100090 kqread syslogd 40557 391498 1 0 3 0x100082 netio syslogd 14172 3322 1 77 3 0x100090 poll dhclient 40917 515913 1 0 3 0x80 poll dhclient 38548 206572 0 0 2 0x14200 zerothread 63818 373038 0 0 3 0x14200 aiodoned aiodoned 28111 246841 0 0 3 0x14200 syncer update 97735 188329 0 0 3 0x14200 cleaner cleaner 56978 26661 0 0 3 0x14200 reaper reaper 64148 235404 0 0 3 0x14200 pgdaemon pagedaemon 89717 143160 0 0 3 0x14200 bored crynlk 11840 147551 0 0 3 0x14200 bored crypto 94404 173926 0 0 3 0x40014200 acpi0 acpi0 14561 129961 0 0 3 0x14200 bored softnet 25563 515630 0 0 3 0x14200 bored systqmp 29681 112291 0 0 3 0x14200 bored systq 91421 481535 0 0 3 0x40014200 bored softclock 30266 431251 0 0 3 0x40014200 idle0 52032 386335 0 0 3 0x14200 bored smr 1 514038 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 9515 6482K 6921K 78643K 12015 0 pcb 13 10K 12K 78643K 169 0 rtable 93 3K 4K 78643K 609 0 ifaddr 65 13K 14K 78643K 234 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 80 0 iov 0 0K 24K 78643K 513 0 mount 1 1K 1K 78643K 1 0 vnodes 1210 76K 77K 78643K 1783 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 13 0 VM map 11 2K 2K 78643K 14 0 sem 12 0K 1K 78643K 611 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 909 0 sigio 0 0K 0K 78643K 27 0 proc 50 38K 63K 78643K 580 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 75 0 in_multi 67 3K 4K 78643K 159 0 ether_multi 1 0K 0K 78643K 9 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 78 344K 344K 78643K 78 0 exec 0 0K 1K 78643K 283 0 pfkey data 0 0K 4K 78643K 2 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 126 55K 63K 78643K 3073 0 UVM aobj 130 4K 4K 78643K 130 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 179 0 NDP 13 0K 0K 78643K 52 0 temp 135 3018K 3090K 78643K 48430 0 kqueue 0 0K 0K 78643K 12 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 14 0 11 1 0 1 1 0 8 0 rtpcb 80 93 0 91 1 0 1 1 0 8 0 rtentry 112 100 0 67 2 0 2 2 0 8 0 unpcb 120 443 0 435 1 0 1 1 0 8 0 syncache 264 10 0 10 3 3 0 1 0 8 0 tcpqe 32 88 0 88 2 2 0 1 0 8 0 tcpcb 544 529 0 525 14 13 1 14 0 8 0 ipq 40 7 0 7 3 2 1 1 0 8 1 ipqe 40 103 0 103 3 2 1 1 0 8 1 inpcb 280 2615 0 2606 12 10 2 9 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 ip6q 72 2 0 2 1 1 0 1 0 8 0 ip6af 40 6 0 6 1 1 0 1 0 8 0 nd6 48 15 0 13 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1128 13 0 13 4 4 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 304 16 2 14 15 0 8 0 art_table 32 502 0 304 2 0 2 2 0 8 0 art_node 16 99 0 68 1 0 1 1 0 8 0 sysvmsgpl 40 56 0 25 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 609 0 599 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2674 0 1277 46 0 46 46 0 8 0 ffsino 240 2674 0 1277 83 0 83 83 0 8 0 nchpl 144 4095 0 2488 60 0 60 60 0 8 0 uvmvnodes 72 3109 0 0 57 0 57 57 0 8 0 vnodes 208 3109 0 0 164 0 164 164 0 8 0 namei 1024 12184 0 12183 1 0 1 1 0 8 0 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 520 12 0 3 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 13288 0 13288 15 12 3 7 0 8 3 plimitpl 152 79 0 72 1 0 1 1 0 8 0 sigapl 432 1071 0 1058 2 0 2 2 0 8 0 futexpl 56 28772 0 28772 2 1 1 1 0 8 1 knotepl 112 208 0 189 1 0 1 1 0 8 0 kqueuepl 104 374 0 372 4 3 1 4 0 8 0 pipepl 128 622 0 603 2 0 2 2 0 8 0 fdescpl 424 1072 0 1058 2 0 2 2 0 8 0 filepl 120 8538 0 8439 13 8 5 11 0 8 1 lockfpl 104 261 0 260 1 0 1 1 0 8 0 lockfspl 48 83 0 82 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 28 0 18 1 0 1 1 0 8 0 ucredpl 96 1001 0 994 1 0 1 1 0 8 0 zombiepl 144 1059 0 1059 1 0 1 1 0 8 1 processpl 864 1089 0 1059 4 0 4 4 0 8 0 procpl 632 2180 0 2142 4 0 4 4 0 8 0 sosppl 128 10 0 10 3 3 0 1 0 8 0 sockpl 384 3161 0 3142 20 15 5 14 0 8 3 mcl64k 65536 55 0 55 2 1 1 1 0 8 1 mcl16k 16384 13 0 13 4 3 1 1 0 8 1 mcl12k 12288 25 0 25 6 5 1 1 0 8 1 mcl9k 9216 12 0 12 6 5 1 1 0 8 1 mcl8k 8192 46 0 46 2 1 1 1 0 8 1 mcl4k 4096 93 0 93 3 2 1 1 0 8 1 mcl2k2 2112 7 0 7 5 4 1 1 0 8 1 mcl2k 2048 71683 0 71637 17 10 7 14 0 8 0 mtagpl 80 34 0 34 2 1 1 1 0 8 1 mbufpl 256 120761 0 120681 39 24 15 26 0 8 4 bufpl 280 10221 0 4065 445 5 440 440 0 8 0 anonpl 16 162976 0 141490 118 25 93 100 0 62 6 amapchunkpl 152 5944 0 5780 24 12 12 16 0 158 4 amappl16 192 7343 0 6168 103 38 65 70 0 8 6 amappl15 184 60 0 54 1 0 1 1 0 8 0 amappl14 176 226 0 223 1 0 1 1 0 8 0 amappl13 168 9 0 9 2 2 0 1 0 8 0 amappl12 160 224 0 219 2 1 1 1 0 8 0 amappl11 152 56 0 44 1 0 1 1 0 8 0 amappl10 144 181 0 177 1 0 1 1 0 8 0 amappl9 136 876 0 873 1 0 1 1 0 8 0 amappl8 128 450 0 416 2 0 2 2 0 8 0 amappl7 120 277 0 266 1 0 1 1 0 8 0 amappl6 112 57 0 49 1 0 1 1 0 8 0 amappl5 104 385 0 372 1 0 1 1 0 8 0 amappl4 96 1092 0 1062 1 0 1 1 0 8 0 amappl3 88 531 0 523 1 0 1 1 0 8 0 amappl2 80 7616 0 7547 3 1 2 3 0 8 0 amappl1 72 28431 0 28010 26 17 9 20 0 8 0 amappl 80 2476 0 2431 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 64 129 0 0 3 0 3 3 0 8 0 uaddrrnd 24 1084 0 1058 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1084 0 1058 1 0 1 1 0 8 0 vmmpekpl 168 10767 0 10741 2 0 2 2 0 8 0 vmmpepl 168 136790 0 134431 206 69 137 172 0 357 31 vmsppl 272 1071 0 1058 2 1 1 2 0 8 0 pdppl 4096 2174 0 2130 8 2 6 6 0 8 0 pvpl 32 426094 0 402756 352 39 313 322 0 265 120 pmappl 200 1083 0 1061 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 197 0 61 5 0 5 5 0 8 0