uvm_fault(0xffffffff8253beb0, 0xffff800000a4c000, 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, 0xffff800000a4c000, 0, 1) -> e uvm_unmap_remove(ffff800000a4bf00,0,1000,ffff800014946680,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a4bf00,0,1000,ffff800014946680,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800014946730, count: 0 ddb> trace uvm_unmap_remove(ffff800000a4bf00,0,1000,ffff800014946680,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a4bf00,0,1000,ffff800014946680,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a4bf00,0,7,fffffd803f012cc0,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff8000148a1c70,ffff8000ffff2018) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a4a800,ffff8000ffff2018) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a4a800,ffff8000ffff2018) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803eac90d0,c5005601,ffff800000a4a800,1,fffffd803f7c6a80,ffff8000ffff2018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d6b6e98,c5005601,ffff800000a4a800,ffff8000ffff2018) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff2018,ffff800014946ad8,ffff800014946b20) at sys_ioctl+0x5b9 syscall(ffff800014946ba0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x894ecddd040, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014946650 rbx 0 rdx 0x362 rcx 0xffff80001494f000 rax 0xffff800000a4bf00 r8 0 r9 0x1 r10 0x38f815ddaf4392d3 r11 0x17752b2e960359ae r12 0 r13 0xfffffd802d743be0 r14 0x1000 __ALIGN_SIZE r15 0xffff800000a4bf00 rip 0xffffffff818c51eb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149465a0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=98958 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2ee8,0xffffffff825770b0 process=0xffff8000ffff7b10 user=0xffff800014941000, vmspace=0xfffffd803f012cc0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5698 500418 65675 0 2 0 syz-executor.1 * 5698 98958 65675 0 7 0x4000000 syz-executor.1 96909 476282 0 0 3 0x14200 bored sosplice 51559 29005 30664 0 2 0x2 syz-executor.0 65675 356404 30664 0 2 0x482 syz-executor.1 30664 408892 75633 0 3 0x82 thrsleep syz-fuzzer 30664 383014 75633 0 2 0x4000482 syz-fuzzer 30664 22367 75633 0 3 0x4000082 kqread syz-fuzzer 30664 402950 75633 0 3 0x4000082 thrsleep syz-fuzzer 30664 116978 75633 0 3 0x4000082 thrsleep syz-fuzzer 30664 502098 75633 0 3 0x4000082 thrsleep syz-fuzzer 30664 488297 75633 0 3 0x4000082 thrsleep syz-fuzzer 30664 30991 75633 0 3 0x4000082 thrsleep syz-fuzzer 75633 84090 50376 0 3 0x10008a pause ksh 50376 518014 65216 0 3 0x92 select sshd 6246 228144 1 0 3 0x100083 ttyin getty 65216 247688 1 0 3 0x80 select sshd 19349 259700 445 73 3 0x100090 kqread syslogd 445 501951 1 0 3 0x100082 netio syslogd 73431 320822 1 77 3 0x100090 poll dhclient 19870 328405 1 0 3 0x80 poll dhclient 46287 118136 0 0 2 0x14200 zerothread 37997 300466 0 0 3 0x14200 aiodoned aiodoned 42360 350079 0 0 3 0x14200 syncer update 55347 337589 0 0 3 0x14200 cleaner cleaner 22385 194052 0 0 3 0x14200 reaper reaper 46533 346464 0 0 3 0x14200 pgdaemon pagedaemon 13428 357784 0 0 3 0x14200 bored crynlk 72921 250781 0 0 3 0x14200 bored crypto 57871 473793 0 0 3 0x40014200 acpi0 acpi0 37151 200977 0 0 3 0x14200 bored softnet 53537 248964 0 0 3 0x14200 bored systqmp 49992 226592 0 0 3 0x14200 bored systq 7237 96911 0 0 3 0x40014200 bored softclock 20925 54516 0 0 3 0x40014200 idle0 62512 421722 0 0 2 0x14200 smr 1 480649 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 9479 6461K 7302K 78643K 11271 0 pcb 13 8K 8K 78643K 43 0 rtable 110 3K 4K 78643K 267 0 ifaddr 58 13K 13K 78643K 90 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 27 0 iov 0 0K 16K 78643K 36 0 mount 1 1K 1K 78643K 1 0 vnodes 1235 78K 78K 78643K 1439 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 3 0K 0K 78643K 4 0 sem 12 0K 1K 78643K 60 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 137 0 sigio 0 0K 0K 78643K 8 0 proc 48 38K 63K 78643K 369 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 22 0 in_multi 49 2K 3K 78643K 64 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 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 197 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 109 21K 22K 78643K 1195 0 UVM aobj 24 2K 2K 78643K 26 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 8 0K 0K 78643K 19 0 temp 111 3012K 3078K 78643K 5497 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 1 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 54 0 9 2 0 2 2 0 8 0 unpcb 120 433 0 425 2 0 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 209 0 209 1 1 0 1 0 8 0 tcpcb 544 62 0 58 1 0 1 1 0 8 0 ipq 40 4 0 4 1 0 1 1 0 8 1 ipqe 40 96 0 96 1 0 1 1 0 8 1 inpcb 280 180 0 172 2 0 2 2 0 8 1 nd6 48 6 0 2 1 0 1 1 0 8 0 ppxss 1128 5 0 5 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 250 0 45 15 0 15 15 0 8 0 art_table 32 251 0 45 2 0 2 2 0 8 0 art_node 16 53 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 20 1 0 1 1 0 8 0 semapl 112 54 0 44 1 0 1 1 0 8 0 shmpl 112 24 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1582 0 183 46 0 46 46 0 8 0 ffsino 240 1582 0 183 83 0 83 83 0 8 0 nchpl 144 1958 0 348 60 0 60 60 0 8 0 uvmvnodes 72 1819 0 0 34 0 34 34 0 8 0 vnodes 208 1819 0 0 96 0 96 96 0 8 0 namei 1024 5206 0 5205 1 0 1 1 0 8 0 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 192 5463 0 5463 8 6 2 7 0 8 2 plimitpl 152 23 0 16 1 0 1 1 0 8 0 sigapl 432 308 0 295 2 0 2 2 0 8 0 futexpl 56 4019 0 4019 1 0 1 1 0 8 1 knotepl 112 71 0 52 1 0 1 1 0 8 0 kqueuepl 104 28 0 26 1 0 1 1 0 8 0 pipepl 128 240 0 221 2 0 2 2 0 8 1 fdescpl 424 309 0 295 2 0 2 2 0 8 0 filepl 120 2399 0 2302 6 0 6 6 0 8 3 lockfpl 104 63 0 62 1 0 1 1 0 8 0 lockfspl 48 21 0 20 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 25 0 15 1 0 1 1 0 8 0 ucredpl 96 146 0 139 1 0 1 1 0 8 0 zombiepl 144 295 0 295 1 0 1 1 0 8 1 processpl 864 324 0 295 4 0 4 4 0 8 0 procpl 632 498 0 461 4 0 4 4 0 8 0 sosppl 128 3 0 3 1 0 1 1 0 8 1 sockpl 384 642 0 625 6 0 6 6 0 8 4 mcl64k 65536 18 0 18 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 5 0 5 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 33 0 33 2 1 1 1 0 8 1 mcl2k 2048 67103 0 67062 19 11 8 18 0 8 2 mtagpl 80 8 0 2 2 1 1 1 0 8 0 mbufpl 256 108043 0 107928 22 6 16 21 0 8 8 bufpl 280 6366 0 1491 349 0 349 349 0 8 0 anonpl 16 47227 0 27991 79 1 78 78 0 62 0 amapchunkpl 152 1390 0 1240 9 2 7 9 0 158 0 amappl16 192 1628 0 547 55 0 55 55 0 8 0 amappl15 184 50 0 46 1 0 1 1 0 8 0 amappl14 176 24 0 23 1 0 1 1 0 8 0 amappl13 168 10 0 9 2 1 1 1 0 8 0 amappl12 160 14 0 11 1 0 1 1 0 8 0 amappl11 152 50 0 37 1 0 1 1 0 8 0 amappl10 144 61 0 58 1 0 1 1 0 8 0 amappl9 136 616 0 612 1 0 1 1 0 8 0 amappl8 128 167 0 146 1 0 1 1 0 8 0 amappl7 120 141 0 128 1 0 1 1 0 8 0 amappl6 112 56 0 48 1 0 1 1 0 8 0 amappl5 104 136 0 125 1 0 1 1 0 8 0 amappl4 96 523 0 494 1 0 1 1 0 8 0 amappl3 88 118 0 110 1 0 1 1 0 8 0 amappl2 80 1683 0 1614 3 1 2 3 0 8 0 amappl1 72 15546 0 15132 27 18 9 20 0 8 0 amappl 80 718 0 675 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 25 0 2 1 0 1 1 0 8 0 uaddrrnd 24 311 0 295 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 311 0 295 1 0 1 1 0 8 0 vmmpekpl 168 6358 0 6336 2 0 2 2 0 8 0 vmmpepl 168 45094 0 42927 134 11 123 128 0 357 27 vmsppl 272 308 0 295 2 1 1 2 0 8 0 pdppl 4096 628 0 592 6 1 5 6 0 8 0 pvpl 32 153392 0 131123 186 0 186 186 0 265 5 pmappl 200 310 0 296 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 160 0 22 5 0 5 5 0 8 0