uvm_fault(0xffffffff82513c48, 0xffff800000abd000, 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(0xffffffff82513c48, 0xffff800000abd000, 0, 1) -> e uvm_unmap_remove(ffff800000abcf00,0,71d000,ffff80001596ecb0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000abcf00,0,71d000,ffff80001596ecb0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff80001596ed60, count: 0 ddb> trace uvm_unmap_remove(ffff800000abcf00,0,71d000,ffff80001596ecb0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000abcf00,0,71d000,ffff80001596ecb0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000abcf00,0,7,fffffd803f012220,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff800014934000,ffff8000ffff27b0) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000ae6800,ffff8000ffff27b0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ae6800,ffff8000ffff27b0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803b8f4820,c5005601,ffff800000ae6800,1,fffffd803f7c69c0,ffff8000ffff27b0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d605e98,c5005601,ffff800000ae6800,ffff8000ffff27b0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff27b0,ffff80001596f108,ffff80001596f150) at sys_ioctl+0x5b9 syscall(ffff80001596f1d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf13d70bdac0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001596ec80 rbx 0 rdx 0x563 rcx 0xffff800016b47000 rax 0xffff800000abcf00 r8 0 r9 0x1 r10 0x31b958e40f0f1064 r11 0xa4f9a153b508c75b r12 0 r13 0xfffffd802d691258 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000abcf00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001596ebd0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=153593 stat=onproc flags process=0 proc=4000000 pri=60, usrpri=60, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3458,0xffffffff825b8d60 process=0xffff8000ffff7510 user=0xffff80001596a000, 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 18506 393977 76933 0 2 0 syz-executor.0 *18506 153593 76933 0 7 0x4000000 syz-executor.0 16487 313597 0 0 3 0x14200 bored sosplice 76933 515880 92985 0 3 0x82 nanosleep syz-executor.0 76448 300885 92985 0 2 0x2 syz-executor.1 92985 500979 89496 0 3 0x82 thrsleep syz-fuzzer 92985 210016 89496 0 3 0x4000082 thrsleep syz-fuzzer 92985 324813 89496 0 3 0x4000082 thrsleep syz-fuzzer 92985 279367 89496 0 3 0x4000082 thrsleep syz-fuzzer 92985 169249 89496 0 3 0x4000082 thrsleep syz-fuzzer 92985 312298 89496 0 3 0x4000082 thrsleep syz-fuzzer 92985 178083 89496 0 3 0x4000082 thrsleep syz-fuzzer 92985 263479 89496 0 3 0x4000082 kqread syz-fuzzer 89496 151213 6472 0 3 0x10008a pause ksh 6472 292654 11003 0 3 0x92 select sshd 65179 376616 1 0 3 0x100083 ttyin getty 11003 214202 1 0 3 0x80 select sshd 7254 454478 55218 73 3 0x100090 kqread syslogd 55218 410047 1 0 3 0x100082 netio syslogd 45821 385292 1 77 3 0x100090 poll dhclient 11938 249363 1 0 3 0x80 poll dhclient 68733 394190 0 0 2 0x14200 zerothread 12447 412500 0 0 3 0x14200 aiodoned aiodoned 7537 401039 0 0 3 0x14200 syncer update 80689 481818 0 0 3 0x14200 cleaner cleaner 86112 141397 0 0 3 0x14200 reaper reaper 53452 322039 0 0 3 0x14200 pgdaemon pagedaemon 39144 204719 0 0 3 0x14200 bored crynlk 61918 76249 0 0 3 0x14200 bored crypto 48326 421606 0 0 3 0x40014200 acpi0 acpi0 23762 48183 0 0 3 0x14200 bored softnet 82547 374103 0 0 3 0x14200 bored systqmp 63204 504866 0 0 3 0x14200 bored systq 38389 331331 0 0 3 0x40014200 bored softclock 48345 66438 0 0 3 0x40014200 idle0 39236 124807 0 0 3 0x14200 bored smr 1 92070 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 6338K 7121K 78643K 11335 0 pcb 13 8K 8K 78643K 73 0 rtable 106 3K 4K 78643K 340 0 ifaddr 59 12K 12K 78643K 148 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 29 0 iov 0 0K 32K 78643K 62 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1423 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 9 2K 2K 78643K 12 0 sem 12 0K 1K 78643K 57 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 243 0 proc 48 38K 54K 78643K 377 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 10 0 in_multi 29 1K 2K 78643K 42 0 ether_multi 1 0K 0K 78643K 1 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 203 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 111 70K 70K 78643K 1644 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 47 0 NDP 10 0K 0K 78643K 32 0 temp 126 3558K 3622K 78643K 14241 0 kqueue 0 0K 0K 78643K 135 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 9 0 2 1 0 1 1 0 8 0 rtpcb 96 33 0 31 1 0 1 1 0 8 0 rtentry 112 56 0 13 2 0 2 2 0 8 0 unpcb 120 199 0 191 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 206 0 206 2 2 0 1 0 8 0 tcpcb 640 126 0 122 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 280 316 0 307 3 1 2 2 0 8 1 nd6 48 5 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 10 0 10 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 246 0 45 15 0 15 15 0 8 0 art_table 32 247 0 45 2 0 2 2 0 8 0 art_node 16 55 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 12 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 53 0 43 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 1752 0 348 46 0 46 46 0 8 0 ffsino 240 1752 0 348 83 0 83 83 0 8 0 nchpl 144 2323 0 714 60 0 60 60 0 8 0 uvmvnodes 72 1953 0 0 36 0 36 36 0 8 0 vnodes 208 1953 0 0 103 0 103 103 0 8 0 namei 1024 6353 0 6353 1 0 1 1 0 8 1 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 520 10 0 3 1 0 1 1 0 8 0 scxspl 208 6422 0 6422 8 7 1 7 0 8 1 plimitpl 152 46 0 39 1 0 1 1 0 8 0 sigapl 432 413 0 400 2 0 2 2 0 8 0 futexpl 56 6431 0 6431 1 0 1 1 0 8 1 knotepl 112 216 0 197 1 0 1 1 0 8 0 kqueuepl 104 247 0 245 1 0 1 1 0 8 0 pipepl 128 324 0 305 3 1 2 2 0 8 1 fdescpl 424 414 0 400 2 0 2 2 0 8 0 filepl 120 3157 0 3058 5 1 4 5 0 8 1 lockfpl 104 89 0 88 1 0 1 1 0 8 0 lockfspl 48 34 0 33 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 359 0 352 1 0 1 1 0 8 0 zombiepl 144 400 0 400 1 0 1 1 0 8 1 processpl 896 429 0 400 4 0 4 4 0 8 0 procpl 648 927 0 890 6 1 5 5 0 8 1 sosppl 144 4 0 4 2 1 1 1 0 8 1 sockpl 384 555 0 538 4 1 3 4 0 8 1 mcl64k 65536 14 0 14 3 2 1 1 0 8 1 mcl16k 16384 3 0 3 2 2 0 1 0 8 0 mcl12k 12288 13 0 13 2 1 1 1 0 8 1 mcl9k 9216 3 0 3 2 1 1 1 0 8 1 mcl8k 8192 11 0 11 3 2 1 1 0 8 1 mcl4k 4096 35 0 35 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 70594 0 70564 16 11 5 13 0 8 0 mtagpl 80 16 0 2 2 1 1 1 0 8 0 mbufpl 256 114218 0 114093 25 13 12 22 0 8 3 bufpl 280 6607 0 1748 351 3 348 348 0 8 0 anonpl 16 60082 0 40094 97 16 81 96 0 62 0 amapchunkpl 152 2324 0 2174 12 5 7 11 0 158 0 amappl16 192 2396 0 1289 68 12 56 67 0 8 0 amappl15 184 108 0 107 1 0 1 1 0 8 0 amappl14 176 45 0 40 1 0 1 1 0 8 0 amappl12 160 16 0 14 2 1 1 1 0 8 0 amappl11 152 46 0 35 1 0 1 1 0 8 0 amappl10 144 115 0 110 1 0 1 1 0 8 0 amappl9 136 562 0 559 1 0 1 1 0 8 0 amappl8 128 143 0 118 1 0 1 1 0 8 0 amappl7 120 142 0 136 1 0 1 1 0 8 0 amappl6 112 60 0 51 1 0 1 1 0 8 0 amappl5 104 133 0 122 1 0 1 1 0 8 0 amappl4 96 624 0 599 1 0 1 1 0 8 0 amappl3 88 126 0 121 1 0 1 1 0 8 0 amappl2 80 2631 0 2566 3 1 2 3 0 8 0 amappl1 72 17020 0 16604 26 17 9 20 0 8 0 amappl 80 1181 0 1133 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 24 424 0 400 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 424 0 400 1 0 1 1 0 8 0 vmmpekpl 168 7295 0 7267 2 0 2 2 0 8 0 vmmpepl 168 57387 0 55205 135 33 102 128 0 357 3 vmsppl 272 413 0 400 2 1 1 2 0 8 0 pdppl 4096 854 0 812 7 1 6 6 0 8 0 pvpl 32 182391 0 159364 222 22 200 222 0 265 13 pmappl 200 423 0 403 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 165 0 35 5 0 5 5 0 8 0