login: uvm_fault(0xffffffff82513c48, 0xffff800000aaa000, 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, 0xffff800000aaa000, 0, 1) -> e uvm_unmap_remove(ffff800000aa9f00,0,1000,ffff800015953a40,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa9f00,0,1000,ffff800015953a40,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800015953af0, count: 0 ddb> trace uvm_unmap_remove(ffff800000aa9f00,0,1000,ffff800015953a40,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa9f00,0,1000,ffff800015953a40,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000aa9f00,0,7,fffffd803f012330,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800015957860,ffff8000ffff3968) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a97800,ffff8000ffff3968) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a97800,ffff8000ffff3968) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803acda5b0,c5005601,ffff800000a97800,1,fffffd803f7c69c0,ffff8000ffff3968) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d8021f0,c5005601,ffff800000a97800,ffff8000ffff3968) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3968,ffff800015953e98,ffff800015953ee0) at sys_ioctl+0x5b9 syscall(ffff800015953f60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x448cd59b7e0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015953a10 rbx 0 rdx 0x830 rcx 0xffff800016b47000 rax 0xffff800000aa9f00 r8 0 r9 0x1 r10 0x810819eddc47ee32 r11 0x91f9539f86b7bcb1 r12 0 r13 0xfffffd802d853500 r14 0x1000 __ALIGN_SIZE r15 0xffff800000aa9f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015953960 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=287999 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2528,0xffffffff825b8d60 process=0xffff8000ffff7190 user=0xffff80001594f000, vmspace=0xfffffd803f012330 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 3979 351563 95353 0 2 0 syz-executor.0 * 3979 287999 95353 0 7 0x4000000 syz-executor.0 36336 64378 0 0 3 0x14200 bored sosplice 95353 146807 50003 0 3 0x82 nanosleep syz-executor.0 17545 485668 50003 0 2 0x2 syz-executor.1 50003 146556 78004 0 3 0x82 thrsleep syz-fuzzer 50003 308132 78004 0 3 0x4000082 nanosleep syz-fuzzer 50003 490841 78004 0 3 0x4000082 kqread syz-fuzzer 50003 349 78004 0 3 0x4000082 thrsleep syz-fuzzer 50003 327476 78004 0 3 0x4000082 thrsleep syz-fuzzer 50003 163308 78004 0 3 0x4000082 thrsleep syz-fuzzer 50003 8167 78004 0 3 0x4000082 thrsleep syz-fuzzer 50003 231680 78004 0 3 0x4000082 thrsleep syz-fuzzer 78004 185827 15858 0 3 0x10008a pause ksh 15858 239079 357 0 3 0x92 select sshd 4637 202083 1 0 3 0x100083 ttyin getty 357 229833 1 0 3 0x80 select sshd 76108 75944 49173 73 3 0x100090 kqread syslogd 49173 120221 1 0 3 0x100082 netio syslogd 95519 307241 1 77 3 0x100090 poll dhclient 12727 169119 1 0 3 0x80 poll dhclient 85090 155505 0 0 2 0x14200 zerothread 71692 135308 0 0 3 0x14200 aiodoned aiodoned 65145 354674 0 0 3 0x14200 syncer update 41270 261967 0 0 3 0x14200 cleaner cleaner 5716 480184 0 0 3 0x14200 reaper reaper 49801 399024 0 0 3 0x14200 pgdaemon pagedaemon 11421 142752 0 0 3 0x14200 bored crynlk 97224 319978 0 0 3 0x14200 bored crypto 97800 139155 0 0 3 0x40014200 acpi0 acpi0 20323 346582 0 0 3 0x14200 bored softnet 47013 20238 0 0 3 0x14200 bored systqmp 85339 443926 0 0 3 0x14200 bored systq 18585 102258 0 0 3 0x40014200 bored softclock 37825 204555 0 0 3 0x40014200 idle0 65194 95911 0 0 3 0x14200 bored smr 1 173737 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 9466 6329K 6713K 78643K 10689 0 pcb 13 8K 8K 78643K 31 0 rtable 108 3K 4K 78643K 211 0 ifaddr 48 11K 12K 78643K 60 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 16 0 iov 0 0K 16K 78643K 10 0 mount 1 1K 1K 78643K 1 0 vnodes 1214 76K 77K 78643K 1251 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 3 0K 0K 78643K 3 0 sem 11 0K 0K 78643K 13 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 65 0 proc 47 38K 63K 78643K 360 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 2 0 in_multi 33 2K 2K 78643K 33 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 48 212K 212K 78643K 48 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 102 21K 22K 78643K 971 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 16 0 NDP 7 0K 0K 78643K 13 0 temp 74 3548K 3614K 78643K 4207 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 6 0 0 1 0 1 1 0 8 0 rtpcb 96 27 0 25 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 27 0 19 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 237 0 237 1 0 1 1 0 8 1 tcpcb 640 20 0 16 1 0 1 1 0 8 0 inpcb 280 97 0 90 2 0 2 2 0 8 1 nd6 48 4 0 0 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 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1465 0 70 46 0 46 46 0 8 0 ffsino 240 1465 0 70 83 0 83 83 0 8 0 nchpl 144 1737 0 131 60 0 60 60 0 8 0 uvmvnodes 72 1532 0 0 28 0 28 28 0 8 0 vnodes 208 1532 0 0 81 0 81 81 0 8 0 namei 1024 4241 0 4241 1 0 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scxspl 208 4533 0 4533 2 1 1 2 0 8 1 plimitpl 152 14 0 7 1 0 1 1 0 8 0 sigapl 432 235 0 222 2 0 2 2 0 8 0 futexpl 56 786 0 786 1 0 1 1 0 8 1 knotepl 112 59 0 40 1 0 1 1 0 8 0 kqueuepl 104 8 0 6 1 0 1 1 0 8 0 pipepl 128 142 0 123 1 0 1 1 0 8 0 fdescpl 424 236 0 222 2 0 2 2 0 8 0 filepl 120 1238 0 1142 4 0 4 4 0 8 1 lockfpl 104 19 0 18 1 0 1 1 0 8 0 lockfspl 48 8 0 7 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 72 0 65 1 0 1 1 0 8 0 zombiepl 144 222 0 222 1 0 1 1 0 8 1 processpl 896 251 0 222 4 0 4 4 0 8 0 procpl 648 298 0 261 4 0 4 4 0 8 0 sosppl 144 2 0 2 1 0 1 1 0 8 1 sockpl 384 151 0 134 3 0 3 3 0 8 1 mcl64k 65536 5 0 5 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 1 0 1 1 0 1 1 0 8 1 mcl4k 4096 9 0 9 2 1 1 1 0 8 1 mcl2k 2048 69356 0 69322 15 2 13 13 0 8 8 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 109948 0 109887 9 1 8 8 0 8 1 bufpl 280 6139 0 1354 342 0 342 342 0 8 0 anonpl 16 40488 0 22019 77 2 75 75 0 62 0 amapchunkpl 152 982 0 832 8 0 8 8 0 158 1 amappl16 192 1242 0 230 51 0 51 51 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 54 0 47 1 0 1 1 0 8 0 amappl13 168 19 0 18 2 1 1 1 0 8 0 amappl12 160 4 0 2 2 1 1 1 0 8 0 amappl11 152 49 0 38 1 0 1 1 0 8 0 amappl10 144 11 0 9 2 1 1 1 0 8 0 amappl9 136 576 0 571 1 0 1 1 0 8 0 amappl8 128 161 0 137 1 0 1 1 0 8 0 amappl7 120 32 0 29 1 0 1 1 0 8 0 amappl6 112 56 0 48 1 0 1 1 0 8 0 amappl5 104 139 0 129 1 0 1 1 0 8 0 amappl4 96 445 0 420 1 0 1 1 0 8 0 amappl3 88 118 0 109 1 0 1 1 0 8 0 amappl2 80 1063 0 995 3 1 2 3 0 8 0 amappl1 72 14002 0 13597 26 11 15 20 0 8 6 amappl 80 517 0 474 1 0 1 1 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 237 0 222 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 237 0 222 1 0 1 1 0 8 0 vmmpekpl 168 5879 0 5858 2 0 2 2 0 8 0 vmmpepl 168 36069 0 34002 130 4 126 126 0 357 36 vmsppl 272 235 0 222 2 0 2 2 0 8 1 pdppl 4096 480 0 444 6 0 6 6 0 8 1 pvpl 32 132401 0 110934 177 0 177 177 0 265 2 pmappl 200 236 0 222 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 140 0 6 4 0 4 4 0 8 0