uvm_fault(0xffffffff8253beb0, 0xffff800000a46000, 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(0xffffffff8253beb0, 0xffff800000a46000, 0, 1) -> e uvm_unmap_remove(ffff800000a45f00,0,1000,ffff8000159384a0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a45f00,0,1000,ffff8000159384a0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800015938550, count: 0 ddb> trace uvm_unmap_remove(ffff800000a45f00,0,1000,ffff8000159384a0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a45f00,0,1000,ffff8000159384a0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a45f00,0,7,fffffd803f012550,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800015960000,ffff800015963168) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff8000009e3800,ffff800015963168) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff8000009e3800,ffff800015963168) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803a75f000,c5005601,ffff8000009e3800,1,fffffd803f7c6a20,ffff800015963168) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80362039e0,c5005601,ffff8000009e3800,ffff800015963168) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800015963168,ffff8000159388f8,ffff800015938940) at sys_ioctl+0x5b9 syscall(ffff8000159389c0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x33615ac5cf0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015938470 rbx 0 rdx 0x362 rcx 0xffff800016b57000 rax 0xffff800000a45f00 r8 0 r9 0x1 r10 0x8fa218002a5a7abf r11 0xac9a76ff32dd2a2a r12 0 r13 0xfffffd802d956ae8 r14 0x1000 __ALIGN_SIZE r15 0xffff800000a45f00 rip 0xffffffff818c51eb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159383c0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=331224 stat=onproc flags process=0 proc=4000000 pri=67, usrpri=67, nice=20 forw=0xffffffffffffffff, list=0xffff800015962788,0xffffffff825770b0 process=0xffff8000ffff6d90 user=0xffff800015933000, vmspace=0xfffffd803f012550 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 70179 295960 39179 0 2 0 syz-executor.0 *70179 331224 39179 0 7 0x4000000 syz-executor.0 62050 434337 0 0 3 0x14200 bored sosplice 80514 444227 43140 0 2 0x2 syz-executor.1 39179 29012 43140 0 3 0x82 nanosleep syz-executor.0 43140 18860 68093 0 3 0x82 thrsleep syz-fuzzer 43140 368858 68093 0 3 0x4000082 thrsleep syz-fuzzer 43140 193844 68093 0 3 0x4000082 thrsleep syz-fuzzer 43140 418072 68093 0 3 0x4000082 thrsleep syz-fuzzer 43140 389797 68093 0 3 0x4000082 thrsleep syz-fuzzer 43140 210287 68093 0 3 0x4000082 kqread syz-fuzzer 43140 236409 68093 0 3 0x4000082 thrsleep syz-fuzzer 43140 52943 68093 0 3 0x4000082 thrsleep syz-fuzzer 68093 378053 57405 0 3 0x10008a pause ksh 57405 4442 19911 0 3 0x92 select sshd 45356 241540 1 0 3 0x100083 ttyin getty 19911 403672 1 0 3 0x80 select sshd 78195 188401 3811 73 3 0x100090 kqread syslogd 3811 121424 1 0 3 0x100082 netio syslogd 28447 44068 1 77 3 0x100090 poll dhclient 15948 192884 1 0 3 0x80 poll dhclient 27449 43238 0 0 2 0x14200 zerothread 71742 352835 0 0 3 0x14200 aiodoned aiodoned 13514 40879 0 0 3 0x14200 syncer update 39056 277614 0 0 3 0x14200 cleaner cleaner 12269 483204 0 0 3 0x14200 reaper reaper 83923 88443 0 0 3 0x14200 pgdaemon pagedaemon 3551 187772 0 0 3 0x14200 bored crynlk 84229 265303 0 0 3 0x14200 bored crypto 4910 177414 0 0 3 0x40014200 acpi0 acpi0 94644 362037 0 0 3 0x14200 bored softnet 86248 97571 0 0 3 0x14200 bored systqmp 37251 139480 0 0 3 0x14200 bored systq 3140 240882 0 0 3 0x40014200 bored softclock 48245 6531 0 0 3 0x40014200 idle0 89603 334235 0 0 3 0x14200 bored smr 1 248026 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 9503 6344K 6979K 78643K 12241 0 pcb 13 8K 8K 78643K 186 0 rtable 101 3K 4K 78643K 521 0 ifaddr 71 14K 15K 78643K 193 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 46 0 iov 0 0K 32K 78643K 1042 0 mount 1 1K 1K 78643K 1 0 vnodes 1215 76K 77K 78643K 1715 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 15 0 VM map 7 1K 1K 78643K 12 0 sem 12 0K 1K 78643K 188 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 549 0 sigio 0 0K 0K 78643K 56 0 proc 48 38K 63K 78643K 486 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 46 0 in_multi 59 3K 3K 78643K 137 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 66 291K 291K 78643K 66 0 exec 0 0K 1K 78643K 245 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 123 54K 63K 78643K 2249 0 UVM aobj 44 2K 2K 78643K 53 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 145 0 NDP 12 0K 0K 78643K 45 0 temp 134 3018K 3082K 78643K 12888 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 12 0 8 1 0 1 1 0 8 0 rtpcb 80 77 0 75 1 0 1 1 0 8 0 rtentry 112 102 0 63 2 0 2 2 0 8 0 unpcb 120 303 0 293 1 0 1 1 0 8 0 syncache 264 9 0 9 3 2 1 1 0 8 1 tcpqe 32 162 0 162 1 1 0 1 0 8 0 tcpcb 544 258 0 254 1 0 1 1 0 8 0 ipq 40 8 0 8 2 2 0 1 0 8 0 ipqe 40 360 0 360 2 2 0 1 0 8 0 inpcb 280 808 0 801 4 2 2 2 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 14 0 12 1 0 1 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 8 0 8 3 2 1 1 0 8 1 art_heap8 4096 4 0 1 4 1 3 4 0 8 0 art_heap4 256 521 0 312 16 0 16 16 0 8 1 art_table 32 525 0 313 3 0 3 3 0 8 0 art_node 16 101 0 64 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 13 1 0 1 1 0 8 0 semapl 112 186 0 176 1 0 1 1 0 8 0 shmpl 112 51 0 9 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2206 0 805 46 0 46 46 0 8 0 ffsino 240 2206 0 805 83 0 83 83 0 8 0 nchpl 144 3464 0 1859 61 1 60 61 0 8 0 uvmvnodes 72 2643 0 0 49 0 49 49 0 8 0 vnodes 208 2643 0 0 140 0 140 140 0 8 0 namei 1024 10356 0 10356 1 0 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 520 10 0 5 1 0 1 1 0 8 0 scxspl 192 9808 0 9808 8 7 1 7 0 8 1 plimitpl 152 60 0 53 1 0 1 1 0 8 0 sigapl 432 714 0 701 2 0 2 2 0 8 0 futexpl 56 16296 0 16296 1 0 1 1 0 8 1 knotepl 112 106 0 87 1 0 1 1 0 8 0 kqueuepl 104 161 0 159 1 0 1 1 0 8 0 pipepl 128 486 0 467 4 2 2 2 0 8 1 fdescpl 424 715 0 701 2 0 2 2 0 8 0 filepl 120 6226 0 6129 8 3 5 5 0 8 2 lockfpl 104 168 0 167 1 0 1 1 0 8 0 lockfspl 48 61 0 60 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 33 0 23 1 0 1 1 0 8 0 ucredpl 96 556 0 549 1 0 1 1 0 8 0 zombiepl 144 701 0 701 1 0 1 1 0 8 1 processpl 864 730 0 701 4 0 4 4 0 8 0 procpl 632 1381 0 1344 5 1 4 5 0 8 0 sosppl 128 7 0 7 2 1 1 1 0 8 1 sockpl 384 1202 0 1183 8 4 4 5 0 8 1 mcl64k 65536 294 0 294 29 28 1 29 0 8 1 mcl16k 16384 14 0 14 4 3 1 1 0 8 1 mcl12k 12288 19 0 19 3 2 1 1 0 8 1 mcl9k 9216 10 0 10 2 2 0 1 0 8 0 mcl8k 8192 21 0 21 2 1 1 1 0 8 1 mcl4k 4096 72 0 72 2 1 1 1 0 8 1 mcl2k2 2112 5 0 5 2 2 0 1 0 8 0 mcl2k 2048 69772 0 69720 20 12 8 15 0 8 0 mtagpl 80 49 0 22 2 1 1 1 0 8 0 mbufpl 256 116952 0 116796 37 25 12 22 0 8 0 bufpl 280 7471 0 2463 358 0 358 358 0 8 0 anonpl 16 115824 0 95969 107 11 96 97 0 62 14 amapchunkpl 152 4159 0 4012 28 17 11 20 0 158 4 amappl16 192 4752 0 3654 85 22 63 67 0 8 7 amappl15 184 241 0 233 1 0 1 1 0 8 0 amappl14 176 36 0 35 1 0 1 1 0 8 0 amappl13 168 252 0 251 2 1 1 1 0 8 0 amappl12 160 11 0 9 1 0 1 1 0 8 0 amappl11 152 54 0 43 1 0 1 1 0 8 0 amappl10 144 6 0 6 1 1 0 1 0 8 0 amappl9 136 666 0 662 1 0 1 1 0 8 0 amappl8 128 200 0 166 2 0 2 2 0 8 0 amappl7 120 111 0 99 1 0 1 1 0 8 0 amappl6 112 65 0 56 1 0 1 1 0 8 0 amappl5 104 160 0 150 1 0 1 1 0 8 0 amappl4 96 1169 0 1142 1 0 1 1 0 8 0 amappl3 88 147 0 139 1 0 1 1 0 8 0 amappl2 80 4924 0 4852 3 1 2 3 0 8 0 amappl1 72 22057 0 21633 26 16 10 20 0 8 0 amappl 80 1683 0 1639 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 52 0 9 1 0 1 1 0 8 0 uaddrrnd 24 725 0 701 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 725 0 701 1 0 1 1 0 8 0 vmmpekpl 168 8615 0 8584 2 0 2 2 0 8 0 vmmpepl 168 95043 0 92818 156 39 117 140 0 357 16 vmsppl 272 714 0 701 2 1 1 2 0 8 0 pdppl 4096 1456 0 1416 8 2 6 6 0 8 0 pvpl 32 297085 0 274141 237 12 225 226 0 265 38 pmappl 200 724 0 706 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 214 0 76 5 0 5 5 0 8 0