uvm_fault(0xffffffff8254c078, 0xffff800000a98000, 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(0xffffffff8254c078, 0xffff800000a98000, 0, 1) -> e uvm_unmap_remove(ffff800000a97f00,0,71c000,ffff8000149185d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a97f00,0,71c000,ffff8000149185d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800014918680, count: 0 ddb> trace uvm_unmap_remove(ffff800000a97f00,0,71c000,ffff8000149185d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a97f00,0,71c000,ffff8000149185d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000a97f00,0,7,fffffd803f011110,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff800016b45860,ffff8000ffff8a28) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a95800,ffff8000ffff8a28) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a95800,ffff8000ffff8a28) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd80381a3340,c5005601,ffff800000a95800,1,fffffd803f7c6c00,ffff8000ffff8a28) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802e70fd30,c5005601,ffff800000a95800,ffff8000ffff8a28) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff8a28,ffff800014918a28,ffff800014918a70) at sys_ioctl+0x5b9 syscall(ffff800014918af0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9eb9751aff0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000149185a0 rbx 0 rdx 0x5e1 rcx 0xffff800014921000 rax 0xffff800000a97f00 r8 0 r9 0x1 r10 0xf08bb524fcc4aa15 r11 0x3b21f14577a119e4 r12 0 r13 0xfffffd802e732228 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a97f00 rip 0xffffffff8190b8ab uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149184f0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=131178 stat=onproc flags process=0 proc=4000000 pri=71, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8290,0xffffffff82593130 process=0xffff8000ffff6e10 user=0xffff800014913000, vmspace=0xfffffd803f011110 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 96095 293860 87685 0 2 0 syz-executor.1 *96095 131178 87685 0 7 0x4000000 syz-executor.1 88381 99378 88474 0 2 0x2 syz-executor.0 87685 213022 88474 0 3 0x82 nanosleep syz-executor.1 88474 165328 55173 0 3 0x82 thrsleep syz-fuzzer 88474 416621 55173 0 3 0x4000082 nanosleep syz-fuzzer 88474 135438 55173 0 3 0x4000082 kqread syz-fuzzer 88474 175305 55173 0 3 0x4000082 thrsleep syz-fuzzer 88474 52495 55173 0 3 0x4000082 thrsleep syz-fuzzer 88474 495665 55173 0 3 0x4000082 thrsleep syz-fuzzer 88474 202256 55173 0 3 0x4000082 thrsleep syz-fuzzer 55173 93886 65281 0 3 0x10008a pause ksh 65281 188856 96924 0 3 0x92 select sshd 39361 306886 1 0 3 0x100083 ttyin getty 96924 110105 1 0 3 0x80 select sshd 95131 233397 3902 73 3 0x100090 kqread syslogd 3902 426833 1 0 3 0x100082 netio syslogd 62469 297958 1 77 3 0x100090 poll dhclient 87104 95241 1 0 3 0x80 poll dhclient 37620 128047 0 0 2 0x14200 zerothread 40907 221673 0 0 3 0x14200 aiodoned aiodoned 44799 508543 0 0 3 0x14200 syncer update 1729 354772 0 0 3 0x14200 cleaner cleaner 17650 29675 0 0 3 0x14200 reaper reaper 28176 252910 0 0 3 0x14200 pgdaemon pagedaemon 54451 380711 0 0 3 0x14200 bored crynlk 66188 500679 0 0 3 0x14200 bored crypto 8509 179925 0 0 3 0x40014200 acpi0 acpi0 88894 516077 0 0 3 0x14200 bored softnet 17921 217693 0 0 3 0x14200 bored systqmp 32641 189777 0 0 3 0x14200 bored systq 75996 81312 0 0 3 0x40014200 bored softclock 3626 192681 0 0 3 0x40014200 idle0 34690 144577 0 0 3 0x14200 bored smr 1 342148 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 9464 6329K 7234K 78643K 11024 0 pcb 13 8K 8K 78643K 40 0 rtable 108 3K 4K 78643K 222 0 ifaddr 48 11K 11K 78643K 69 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 27 0 iov 0 0K 12K 78643K 42 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1355 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 7 0 sem 12 0K 0K 78643K 34 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 232 0 proc 48 38K 63K 78643K 368 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 38 0 in_multi 33 2K 2K 78643K 40 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 42 185K 185K 78643K 42 0 exec 0 0K 1K 78643K 216 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 93 21K 21K 78643K 1340 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 15 0 temp 105 3552K 3618K 78643K 3819 0 kqueue 0 0K 0K 78643K 8 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 24 0 22 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 74 0 66 1 0 1 1 0 8 0 syncache 280 8 0 8 2 2 0 1 0 8 0 tcpqe 32 286 0 286 1 1 0 1 0 8 0 tcpcb 640 111 0 107 1 0 1 1 0 8 0 ipq 40 4 0 4 1 0 1 1 0 8 1 ipqe 40 8 0 8 1 0 1 1 0 8 1 inpcb 280 270 0 263 2 1 1 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 4 0 4 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 semapl 112 30 0 20 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1721 0 323 46 0 46 46 0 8 0 ffsino 240 1721 0 323 83 0 83 83 0 8 0 nchpl 144 2233 0 624 60 0 60 60 0 8 0 uvmvnodes 72 1870 0 0 34 0 34 34 0 8 0 vnodes 208 1870 0 0 99 0 99 99 0 8 0 namei 1024 5483 0 5482 1 0 1 1 0 8 0 vmpool 520 5 0 4 1 0 1 1 0 8 0 scxspl 208 6044 0 6044 8 1 7 7 0 8 7 plimitpl 152 29 0 22 1 0 1 1 0 8 0 sigapl 432 402 0 389 2 0 2 2 0 8 0 futexpl 56 2637 0 2637 1 0 1 1 0 8 1 knotepl 112 107 0 88 1 0 1 1 0 8 0 kqueuepl 104 64 0 62 1 0 1 1 0 8 0 pipepl 128 164 0 145 1 0 1 1 0 8 0 fdescpl 424 403 0 389 2 0 2 2 0 8 0 filepl 120 2002 0 1906 4 0 4 4 0 8 1 lockfpl 104 7 0 6 1 0 1 1 0 8 0 lockfspl 48 4 0 3 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 96 230 0 223 1 0 1 1 0 8 0 zombiepl 144 389 0 389 1 0 1 1 0 8 1 processpl 896 417 0 389 4 0 4 4 0 8 0 procpl 648 665 0 630 4 0 4 4 0 8 1 sockpl 384 373 0 356 4 1 3 4 0 8 1 mcl64k 65536 18 0 18 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 1 1 0 1 0 8 0 mcl8k 8192 17 0 17 1 0 1 1 0 8 1 mcl4k 4096 22 0 22 2 1 1 1 0 8 1 mcl2k 2048 51709 0 51682 18 12 6 14 0 8 1 mtagpl 80 44 0 2 2 1 1 1 0 8 0 mbufpl 256 85039 0 84892 12 1 11 11 0 8 0 bufpl 280 6339 0 1556 342 0 342 342 0 8 0 anonpl 16 61806 0 47894 74 1 73 73 0 62 15 amapchunkpl 152 1686 0 1557 8 2 6 8 0 158 0 amappl16 192 2649 0 1894 50 4 46 50 0 8 7 amappl14 176 52 0 47 1 0 1 1 0 8 0 amappl12 160 7 0 5 1 0 1 1 0 8 0 amappl11 152 154 0 139 1 0 1 1 0 8 0 amappl10 144 11 0 10 2 1 1 1 0 8 0 amappl9 136 658 0 654 1 0 1 1 0 8 0 amappl8 128 242 0 220 1 0 1 1 0 8 0 amappl7 120 35 0 31 1 0 1 1 0 8 0 amappl6 112 151 0 142 1 0 1 1 0 8 0 amappl5 104 138 0 128 1 0 1 1 0 8 0 amappl4 96 611 0 586 1 0 1 1 0 8 0 amappl3 88 112 0 106 1 0 1 1 0 8 0 amappl2 80 2424 0 2356 3 1 2 3 0 8 0 amappl1 72 16557 0 16147 26 16 10 20 0 8 0 amappl 80 894 0 852 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 24 408 0 389 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 408 0 389 1 0 1 1 0 8 0 vmmpekpl 168 6605 0 6584 2 0 2 2 0 8 0 vmmpepl 168 54878 0 53068 116 14 102 110 0 357 23 vmsppl 272 402 0 389 2 1 1 2 0 8 0 pdppl 4096 822 0 786 6 1 5 6 0 8 0 pvpl 32 184778 0 167891 175 0 175 175 0 265 36 pmappl 200 407 0 393 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 146 0 18 4 0 4 4 0 8 0