uvm_fault(0xffffffff8254f790, 0xffff800000a9c000, 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(0xffffffff8254f790, 0xffff800000a9c000, 0, 1) -> e uvm_unmap_remove(ffff800000a9bf00,0,80000000,ffff800015d60398,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000a9bf00,0,80000000,ffff800015d60398,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800015d603d0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a9bf00,0,80000000,ffff800015d60398,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000a9bf00,0,80000000,ffff800015d60398,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000a9bf00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff8000148f5a70,ffff8000ffff3650) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a9d800,ffff8000ffff3650) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000a9d800,ffff8000ffff3650) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80378b7820,c5005601,ffff800000a9d800,1,fffffd803f7c6a20,ffff8000ffff3650) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ea60e98,c5005601,ffff800000a9d800,ffff8000ffff3650) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff3650,ffff800015d60778,ffff800015d607c0) at sys_ioctl+0x5b9 syscall(ffff800015d60840) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,ee614d0c010) at Xsyscall+0x128 end of kernel end trace frame: 0xee8279ec6d0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015d60380 rbx 0 rdx 0x1711 __ALIGN_SIZE+0x711 rcx 0xffff80001494b000 rax 0xffff800000a9bf00 r8 0x1 r9 0 r10 0xf485f382c408434d r11 0xe1e75198eadcdc3e r12 0 r13 0xfffffd802eb06100 r14 0 r15 0xffff800000a9bf00 rip 0xffffffff815451bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015d602d0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=101258 stat=onproc flags process=0 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2ee8,0xffffffff8258e3e0 process=0xffff8000ffff66d0 user=0xffff800015d5b000, vmspace=0xfffffd803f013bb0 estcpu=7, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 80320 87669 62139 0 2 0 syz-executor.1 *80320 101258 62139 0 7 0x4000000 syz-executor.1 62139 113723 67381 0 3 0x82 nanosleep syz-executor.1 48625 188870 0 0 3 0x14200 bored sosplice 53467 55845 67381 0 2 0x2 syz-executor.0 67381 397674 83565 0 3 0x82 thrsleep syz-fuzzer 67381 512517 83565 0 2 0x4000002 syz-fuzzer 67381 22188 83565 0 2 0x4000002 syz-fuzzer 67381 66625 83565 0 3 0x4000082 thrsleep syz-fuzzer 67381 256734 83565 0 3 0x4000082 thrsleep syz-fuzzer 67381 231950 83565 0 3 0x4000082 thrsleep syz-fuzzer 67381 141024 83565 0 3 0x4000082 thrsleep syz-fuzzer 67381 179353 83565 0 3 0x4000082 thrsleep syz-fuzzer 83565 160539 23614 0 3 0x10008a pause ksh 23614 491964 61097 0 3 0x92 select sshd 207 400826 1 0 3 0x100083 ttyin getty 61097 345178 1 0 3 0x80 select sshd 7233 144942 31750 73 2 0x100010 syslogd 31750 253695 1 0 3 0x100082 netio syslogd 57184 34820 1 77 3 0x100090 poll dhclient 89705 44616 1 0 3 0x80 poll dhclient 83380 373626 0 0 2 0x14200 zerothread 90931 502757 0 0 3 0x14200 aiodoned aiodoned 24986 400501 0 0 3 0x14200 syncer update 53148 286157 0 0 3 0x14200 cleaner cleaner 13109 414509 0 0 3 0x14200 reaper reaper 44611 234899 0 0 3 0x14200 pgdaemon pagedaemon 12250 520151 0 0 3 0x14200 bored crynlk 33985 25893 0 0 3 0x14200 bored crypto 41532 178726 0 0 3 0x40014200 acpi0 acpi0 82814 417601 0 0 3 0x14200 bored softnet 37519 356218 0 0 3 0x14200 bored systqmp 46202 116478 0 0 3 0x14200 bored systq 79275 458494 0 0 3 0x40014200 bored softclock 56344 413529 0 0 3 0x40014200 idle0 37988 70456 0 0 3 0x14200 bored smr 1 304156 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 9467 6320K 6835K 78643K 10967 0 0 pcb 13 8K 8K 78643K 35 0 0 rtable 108 3K 4K 78643K 254 0 0 ifaddr 45 11K 11K 78643K 56 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 22 0 0 iov 0 0K 12K 78643K 22 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1215 76K 77K 78643K 1348 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 10 0 0 VM map 3 0K 0K 78643K 6 0 0 sem 12 1K 1K 78643K 32 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 203 0 0 proc 49 38K 63K 78643K 390 0 0 subproc 32 2K 2K 78643K 51 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 15 0 0 in_multi 33 2K 2K 78643K 44 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 42 185K 185K 78643K 42 0 0 exec 0 0K 1K 78643K 223 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 88 20K 21K 78643K 1297 0 0 UVM aobj 17 2K 2K 78643K 22 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 18 0 0 NDP 8 0K 0K 78643K 16 0 0 temp 110 3523K 3587K 78643K 3808 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 8 0 2 1 0 1 1 0 8 0 rtpcb 80 27 0 25 1 0 1 1 0 8 0 rtentry 112 55 0 11 2 0 2 2 0 8 0 unpcb 120 77 0 69 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5183 0 5183 1 1 0 1 0 8 0 tcpcb 544 45 0 41 1 0 1 1 0 8 0 inpcb 280 140 0 133 1 0 1 1 0 8 0 nd6 48 6 0 2 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 255 0 43 14 0 14 14 0 8 0 art_table 32 256 0 43 2 0 2 2 0 8 0 art_node 16 54 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 20 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1646 0 250 46 0 46 46 0 8 0 ffsino 240 1646 0 250 83 0 83 83 0 8 0 nchpl 144 2126 0 525 60 0 60 60 0 8 0 uvmvnodes 72 1794 0 0 33 0 33 33 0 8 0 vnodes 208 1794 0 0 95 0 95 95 0 8 0 namei 1024 5856 0 5855 4 3 1 1 0 8 0 vmpool 520 4 0 3 2 1 1 1 0 8 0 scxspl 192 6335 0 6335 13 12 1 7 0 8 1 plimitpl 152 27 0 20 1 0 1 1 0 8 0 sigapl 432 371 0 358 2 0 2 2 0 8 0 futexpl 56 3785 0 3785 2 1 1 1 0 8 1 knotepl 112 82 0 63 1 0 1 1 0 8 0 kqueuepl 104 24 0 22 1 0 1 1 0 8 0 pipepl 112 206 0 187 2 1 1 1 0 8 0 fdescpl 424 372 0 358 2 0 2 2 0 8 0 filepl 120 2210 0 2111 4 0 4 4 0 8 1 lockfpl 104 115 0 114 1 0 1 1 0 8 0 lockfspl 48 37 0 36 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 201 0 194 1 0 1 1 0 8 0 zombiepl 144 358 0 358 3 2 1 1 0 8 1 processpl 864 387 0 358 4 0 4 4 0 8 0 procpl 632 593 0 556 4 0 4 4 0 8 0 sosppl 128 5 0 5 1 1 0 1 0 8 0 sockpl 384 244 0 227 3 1 2 3 0 8 0 mcl64k 65536 232 0 232 29 11 18 29 0 8 18 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 2 0 2 1 1 0 1 0 8 0 mcl8k 8192 2 0 2 2 1 1 1 0 8 1 mcl4k 4096 19 0 19 3 2 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 56543 0 56498 21 14 7 16 0 8 0 mtagpl 80 4 0 2 2 1 1 1 0 8 0 mbufpl 256 92663 0 92547 25 15 10 19 0 8 0 bufpl 256 6862 0 1954 307 0 307 307 0 8 0 anonpl 16 52959 0 39389 67 7 60 64 0 62 2 amapchunkpl 152 1669 0 1563 10 5 5 7 0 158 0 amappl16 192 1944 0 1160 53 1 52 52 0 8 12 amappl15 184 8 0 8 1 1 0 1 0 8 0 amappl14 176 37 0 34 2 1 1 1 0 8 0 amappl13 168 11 0 8 1 0 1 1 0 8 0 amappl12 160 11 0 8 1 0 1 1 0 8 0 amappl11 152 50 0 39 1 0 1 1 0 8 0 amappl10 144 155 0 153 3 2 1 1 0 8 0 amappl9 136 588 0 582 1 0 1 1 0 8 0 amappl8 128 155 0 137 1 0 1 1 0 8 0 amappl7 120 184 0 180 1 0 1 1 0 8 0 amappl6 112 65 0 57 1 0 1 1 0 8 0 amappl5 104 144 0 133 1 0 1 1 0 8 0 amappl4 96 586 0 557 1 0 1 1 0 8 0 amappl3 88 109 0 104 1 0 1 1 0 8 0 amappl2 80 2128 0 2061 4 2 2 3 0 8 0 amappl1 72 16241 0 15844 26 17 9 20 0 8 0 amappl 80 823 0 787 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 21 0 5 1 0 1 1 0 8 0 uaddrrnd 24 376 0 358 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 376 0 358 1 0 1 1 0 8 0 vmmpekpl 168 6557 0 6533 2 0 2 2 0 8 0 vmmpepl 168 51379 0 49566 148 49 99 107 0 357 19 vmsppl 272 371 0 358 2 1 1 2 0 8 0 pdppl 4096 758 0 722 6 1 5 6 0 8 0 pvpl 32 165291 0 148699 186 33 153 156 0 265 14 pmappl 200 375 0 361 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 504 0 51 14 0 14 14 0 8 0