uvm_fault(0xffffffff82513c48, 0xffff800000a91000, 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, 0xffff800000a91000, 0, 1) -> e uvm_unmap_remove(ffff800000a90f00,0,71d000,ffff800015951d90,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a90f00,0,71d000,ffff800015951d90,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800015951e40, count: 0 ddb> trace uvm_unmap_remove(ffff800000a90f00,0,71d000,ffff800015951d90,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a90f00,0,71d000,ffff800015951d90,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a90f00,0,7,fffffd803f012660,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff800015957a68,ffff800015955968) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a8f000,ffff800015955968) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a8f000,ffff800015955968) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd80380988f0,c5005601,ffff800000a8f000,1,fffffd803f7c6cc0,ffff800015955968) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803e5ce540,c5005601,ffff800000a8f000,ffff800015955968) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800015955968,ffff8000159521e8,ffff800015952230) at sys_ioctl+0x5b9 syscall(ffff8000159522b0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1295882af80, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015951d60 rbx 0 rdx 0x55f rcx 0xffff800014921000 rax 0xffff800000a90f00 r8 0 r9 0x1 r10 0x9a5d82b5e5e27d83 r11 0xc4f2c4e68e7e96a9 r12 0 r13 0xfffffd802d9310e8 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a90f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015951cb0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=318734 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800015954528,0xffff800015954a48 process=0xffff8000ffff6010 user=0xffff80001594d000, vmspace=0xfffffd803f012660 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 30140 238690 59884 0 2 0 syz-executor.0 *30140 318734 59884 0 7 0x4000000 syz-executor.0 30140 209042 59884 0 3 0x4000080 fsleep syz-executor.0 88430 95076 0 0 3 0x14200 bored sosplice 91165 270969 6014 0 3 0x82 nanosleep syz-executor.1 59884 204789 6014 0 3 0x82 nanosleep syz-executor.0 6014 175735 14863 0 3 0x82 thrsleep syz-fuzzer 6014 52850 14863 0 3 0x4000082 thrsleep syz-fuzzer 6014 66305 14863 0 3 0x4000082 thrsleep syz-fuzzer 6014 106269 14863 0 3 0x4000082 thrsleep syz-fuzzer 6014 273950 14863 0 3 0x4000082 thrsleep syz-fuzzer 6014 58907 14863 0 3 0x4000082 kqread syz-fuzzer 6014 163302 14863 0 3 0x4000082 thrsleep syz-fuzzer 14863 211850 28645 0 3 0x10008a pause ksh 28645 445564 39733 0 3 0x92 select sshd 79853 248761 1 0 3 0x100083 ttyin getty 39733 211909 1 0 3 0x80 select sshd 36072 411691 60188 73 3 0x100090 kqread syslogd 60188 401387 1 0 3 0x100082 netio syslogd 96519 265874 1 77 3 0x100090 poll dhclient 83539 458812 1 0 3 0x80 poll dhclient 20440 254454 0 0 2 0x14200 zerothread 57864 489537 0 0 3 0x14200 aiodoned aiodoned 2553 389607 0 0 3 0x14200 syncer update 68902 189644 0 0 3 0x14200 cleaner cleaner 23622 405006 0 0 3 0x14200 reaper reaper 96403 86020 0 0 3 0x14200 pgdaemon pagedaemon 86259 403113 0 0 3 0x14200 bored crynlk 19757 520820 0 0 3 0x14200 bored crypto 98993 467558 0 0 3 0x40014200 acpi0 acpi0 54770 203430 0 0 3 0x14200 bored softnet 15372 412764 0 0 3 0x14200 bored systqmp 35129 66681 0 0 3 0x14200 bored systq 54485 154130 0 0 3 0x40014200 bored softclock 78204 291819 0 0 3 0x40014200 idle0 57802 121730 0 0 3 0x14200 bored smr 1 412589 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 9457 6326K 6721K 78643K 10628 0 pcb 13 8K 8K 78643K 39 0 rtable 108 3K 4K 78643K 202 0 ifaddr 44 10K 11K 78643K 51 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 21 0 iov 0 0K 12K 78643K 10 0 mount 1 1K 1K 78643K 1 0 vnodes 1215 76K 76K 78643K 1242 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 3 0K 0K 78643K 4 0 sem 6 0K 0K 78643K 8 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 72 0 sigio 0 0K 0K 78643K 2 0 proc 47 38K 54K 78643K 358 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 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 36 159K 159K 78643K 36 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 26K 78643K 1039 0 UVM aobj 4 2K 2K 78643K 4 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 8 0 NDP 6 0K 0K 78643K 11 0 temp 71 3548K 3620K 78643K 3540 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 21 0 19 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 51 0 41 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 225 0 225 1 0 1 1 0 8 1 tcpcb 640 22 0 18 1 0 1 1 0 8 0 ipq 40 3 0 3 1 0 1 1 0 8 1 ipqe 40 6 0 6 1 0 1 1 0 8 1 inpcb 280 122 0 107 2 0 2 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 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 4 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1468 0 72 46 0 46 46 0 8 0 ffsino 240 1468 0 72 83 0 83 83 0 8 0 nchpl 144 1746 0 135 60 0 60 60 0 8 0 uvmvnodes 72 1527 0 0 28 0 28 28 0 8 0 vnodes 208 1527 0 0 81 0 81 81 0 8 0 namei 1024 4242 0 4242 2 1 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 208 4727 0 4727 8 1 7 7 0 8 7 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 432 242 0 229 2 0 2 2 0 8 0 futexpl 56 946 0 945 1 0 1 1 0 8 0 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 104 8 0 6 1 0 1 1 0 8 0 pipepl 128 150 0 131 1 0 1 1 0 8 0 fdescpl 424 243 0 229 2 0 2 2 0 8 0 filepl 120 1308 0 1201 4 0 4 4 0 8 0 lockfpl 104 10 0 9 1 0 1 1 0 8 0 lockfspl 48 5 0 4 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 67 0 60 1 0 1 1 0 8 0 zombiepl 144 229 0 228 2 1 1 1 0 8 0 processpl 896 258 0 228 4 0 4 4 0 8 0 procpl 648 305 0 267 4 0 4 4 0 8 0 sosppl 144 3 0 3 1 0 1 1 0 8 1 sockpl 384 194 0 167 4 0 4 4 0 8 0 mcl64k 65536 5 0 5 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 1 0 1 1 0 8 1 mcl4k 4096 9 0 9 2 1 1 1 0 8 1 mcl2k 2048 69140 0 69109 17 5 12 14 0 8 7 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 109938 0 109872 11 3 8 9 0 8 2 bufpl 280 6156 0 1361 343 0 343 343 0 8 0 anonpl 16 55266 0 36440 94 1 93 93 0 62 16 amapchunkpl 152 1665 0 1514 10 0 10 10 0 158 3 amappl16 192 1473 0 438 60 0 60 60 0 8 8 amappl15 184 42 0 38 1 0 1 1 0 8 0 amappl14 176 47 0 42 1 0 1 1 0 8 0 amappl13 168 2 0 2 1 1 0 1 0 8 0 amappl12 160 25 0 24 2 1 1 1 0 8 0 amappl11 152 55 0 44 1 0 1 1 0 8 0 amappl10 144 19 0 16 1 0 1 1 0 8 0 amappl9 136 563 0 558 1 0 1 1 0 8 0 amappl8 128 152 0 125 1 0 1 1 0 8 0 amappl7 120 35 0 32 1 0 1 1 0 8 0 amappl6 112 55 0 46 1 0 1 1 0 8 0 amappl5 104 150 0 141 1 0 1 1 0 8 0 amappl4 96 454 0 424 1 0 1 1 0 8 0 amappl3 88 123 0 116 1 0 1 1 0 8 0 amappl2 80 1139 0 1073 3 1 2 3 0 8 0 amappl1 72 13948 0 13533 27 16 11 20 0 8 2 amappl 80 589 0 544 2 0 2 2 0 84 1 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 245 0 229 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 245 0 229 1 0 1 1 0 8 0 vmmpekpl 168 5899 0 5875 2 0 2 2 0 8 0 vmmpepl 168 36931 0 34822 141 9 132 132 0 357 40 vmsppl 272 242 0 229 2 0 2 2 0 8 1 pdppl 4096 496 0 460 6 0 6 6 0 8 1 pvpl 32 147256 0 125397 213 0 213 213 0 265 36 pmappl 200 244 0 230 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 146 0 12 4 0 4 4 0 8 0