uvm_fault(0xffffffff824f4d70, 0xffff800000aa2000, 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(0xffffffff824f4d70, 0xffff800000aa2000, 0, 1) -> e uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800015944828,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800015944828,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff800015944860, count: 0 ddb> trace uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800015944828,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800015944828,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000aa1f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001595fc70,ffff800016b46018) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000aa6800,ffff800016b46018) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000aa6800,ffff800016b46018) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80361325b0,c5005601,ffff800000aa6800,1,fffffd803f7c6840,ffff800016b46018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ed2d180,c5005601,ffff800000aa6800,ffff800016b46018) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800016b46018,ffff800015944c08,ffff800015944c50) at sys_ioctl+0x5b9 syscall(ffff800015944cd0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,603d6180010) at Xsyscall+0x128 end of kernel end trace frame: 0x605f654d720, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015944810 rbx 0 rdx 0x1689 __ALIGN_SIZE+0x689 rcx 0xffff800016b4b000 rax 0xffff800000aa1f00 r8 0x1 r9 0 r10 0xa7b214f0fb3dffb7 r11 0x4d2b5b75572ef2bf r12 0 r13 0xfffffd802edf5380 r14 0 r15 0xffff800000aa1f00 rip 0xffffffff8211656b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015944760 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=474791 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800016b46780,0xffffffff8256ac80 process=0xffff8000ffff6d90 user=0xffff80001593f000, vmspace=0xfffffd803f013110 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77065 477046 41671 0 2 0 syz-executor.0 *77065 474791 41671 0 7 0x4000000 syz-executor.0 48496 512840 1 0 3 0x100083 ttyin getty 80458 394988 0 0 3 0x14200 bored sosplice 41671 273546 13878 0 3 0x82 nanosleep syz-executor.0 40694 379313 13878 0 3 0x82 nanosleep syz-executor.1 13878 26806 97018 0 3 0x82 thrsleep syz-fuzzer 13878 330161 97018 0 3 0x4000082 thrsleep syz-fuzzer 13878 381867 97018 0 3 0x4000082 thrsleep syz-fuzzer 13878 174474 97018 0 3 0x4000082 thrsleep syz-fuzzer 13878 369623 97018 0 3 0x4000082 thrsleep syz-fuzzer 13878 496272 97018 0 3 0x4000082 kqread syz-fuzzer 13878 155512 97018 0 3 0x4000082 thrsleep syz-fuzzer 97018 91094 21037 0 3 0x10008a pause ksh 21037 168949 33393 0 3 0x92 select sshd 33393 215522 1 0 3 0x80 select sshd 758 265374 96299 73 2 0x100090 syslogd 96299 233798 1 0 3 0x100082 netio syslogd 55610 516013 1 77 3 0x100090 poll dhclient 22920 245182 1 0 3 0x80 poll dhclient 42285 230860 0 0 2 0x14200 zerothread 29092 304600 0 0 3 0x14200 aiodoned aiodoned 36397 503557 0 0 3 0x14200 syncer update 44427 322585 0 0 3 0x14200 cleaner cleaner 98041 515598 0 0 3 0x14200 reaper reaper 44680 6314 0 0 3 0x14200 pgdaemon pagedaemon 92033 187723 0 0 3 0x14200 bored crynlk 24431 252911 0 0 3 0x14200 bored crypto 16677 339774 0 0 3 0x40014200 acpi0 acpi0 70327 436360 0 0 3 0x14200 bored softnet 72417 111198 0 0 3 0x14200 bored systqmp 49407 88734 0 0 3 0x14200 bored systq 46323 72252 0 0 3 0x40014200 bored softclock 12980 226379 0 0 3 0x40014200 idle0 38966 168090 0 0 3 0x14200 bored smr 1 52826 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 Kern Lim devbuf 9480 6962K 7219K 78643K 11730 0 0 pcb 13 8K 8K 78643K 106 0 0 rtable 111 4K 4K 78643K 363 0 0 ifaddr 50 12K 13K 78643K 130 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 40 0 0 iov 0 0K 16K 78643K 43 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1223 77K 77K 78643K 1641 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 11 0 0 VM map 3 0K 0K 78643K 4 0 0 sem 12 1K 1K 78643K 68 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 496 0 0 sigio 0 0K 0K 78643K 8 0 0 proc 49 38K 54K 78643K 410 0 0 subproc 32 2K 2K 78643K 38 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 46 0 0 in_multi 33 2K 2K 78643K 51 0 0 ether_multi 1 0K 0K 78643K 5 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 204 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 92 21K 21K 78643K 2035 0 0 UVM aobj 28 2K 2K 78643K 32 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 53 0 0 NDP 9 0K 0K 78643K 34 0 0 temp 142 3533K 4172K 78643K 10859 0 0 kqueue 0 0K 0K 78643K 2 0 0 SYN cache 2 16K 16K 78643K 2 0 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 80 67 0 65 1 0 1 1 0 8 0 rtentry 112 47 0 3 2 0 2 2 0 8 0 unpcb 120 216 0 208 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 4586 0 4586 2 2 0 1 0 8 0 tcpcb 544 106 0 102 1 0 1 1 0 8 0 inpcb 280 877 0 868 4 2 2 3 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 ppxss 1128 19 0 19 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 211 0 0 14 0 14 14 0 8 0 art_table 32 212 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 17 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 62 0 52 1 0 1 1 0 8 0 shmpl 112 30 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2174 0 780 46 0 46 46 0 8 0 ffsino 240 2174 0 780 83 0 83 83 0 8 0 nchpl 144 3221 0 1602 61 0 61 61 0 8 0 uvmvnodes 72 2512 0 0 46 0 46 46 0 8 0 vnodes 208 2512 0 0 133 0 133 133 0 8 0 namei 1024 8941 0 8941 2 1 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 192 8789 0 8789 9 8 1 7 0 8 1 plimitpl 152 50 0 43 1 0 1 1 0 8 0 sigapl 432 669 0 656 2 0 2 2 0 8 0 futexpl 56 10845 0 10845 1 0 1 1 0 8 1 knotepl 112 205 0 186 2 1 1 2 0 8 0 kqueuepl 104 156 0 154 1 0 1 1 0 8 0 pipepl 112 444 0 425 1 0 1 1 0 8 0 fdescpl 424 670 0 656 2 0 2 2 0 8 0 filepl 120 5012 0 4913 5 1 4 5 0 8 0 lockfpl 104 172 0 171 1 0 1 1 0 8 0 lockfspl 48 63 0 62 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 23 0 13 1 0 1 1 0 8 0 ucredpl 96 586 0 578 1 0 1 1 0 8 0 zombiepl 144 656 0 655 2 1 1 1 0 8 0 processpl 864 685 0 655 4 0 4 4 0 8 0 procpl 632 1339 0 1302 4 0 4 4 0 8 0 sosppl 128 7 0 7 1 0 1 1 0 8 1 sockpl 384 1171 0 1152 6 3 3 5 0 8 1 mcl64k 65536 241 0 241 29 28 1 29 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 14 0 14 3 2 1 1 0 8 1 mcl9k 9216 7 0 7 2 1 1 1 0 8 1 mcl8k 8192 14 0 14 2 2 0 1 0 8 0 mcl4k 4096 47 0 47 2 1 1 1 0 8 1 mcl2k2 2112 7 0 7 3 2 1 1 0 8 1 mcl2k 2048 56729 0 56680 19 12 7 15 0 8 0 mtagpl 80 10 0 4 2 1 1 1 0 8 0 mbufpl 256 94724 0 94615 25 16 9 20 0 8 0 bufpl 256 7262 0 2298 311 0 311 311 0 8 0 anonpl 16 70403 0 56413 74 16 58 71 0 62 0 amapchunkpl 152 2896 0 2789 11 6 5 9 0 158 0 amappl16 192 3449 0 2670 48 8 40 46 0 8 0 amappl15 184 228 0 227 1 0 1 1 0 8 0 amappl14 176 31 0 28 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 13 0 6 1 0 1 1 0 8 0 amappl11 152 43 0 32 1 0 1 1 0 8 0 amappl10 144 6 0 6 1 1 0 1 0 8 0 amappl9 136 573 0 567 1 0 1 1 0 8 0 amappl8 128 153 0 130 1 0 1 1 0 8 0 amappl7 120 42 0 37 1 0 1 1 0 8 0 amappl6 112 73 0 65 1 0 1 1 0 8 0 amappl5 104 149 0 138 1 0 1 1 0 8 0 amappl4 96 894 0 866 1 0 1 1 0 8 0 amappl3 88 131 0 125 1 0 1 1 0 8 0 amappl2 80 4801 0 4734 3 1 2 3 0 8 0 amappl1 72 21404 0 21000 27 18 9 20 0 8 0 amappl 80 1563 0 1526 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 31 0 4 1 0 1 1 0 8 0 uaddrrnd 24 672 0 656 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 672 0 656 1 0 1 1 0 8 0 vmmpekpl 168 8781 0 8752 2 0 2 2 0 8 0 vmmpepl 168 84459 0 82639 121 35 86 102 0 357 2 vmsppl 272 669 0 656 2 1 1 2 0 8 0 pdppl 4096 1350 0 1314 6 1 5 6 0 8 0 pvpl 32 219507 0 202514 182 39 143 172 0 265 4 pmappl 200 671 0 657 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 503 0 64 14 0 14 14 0 8 0