uvm_fault(0xffffffff824ff518, 0xffff800000a75000, 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(0xffffffff824ff518, 0xffff800000a75000, 0, 1) -> e uvm_unmap_remove(ffff800000a74f00,0,80000000,ffff800014925ee8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000a74f00,0,80000000,ffff800014925ee8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800014925f20, count: 0 ddb> trace uvm_unmap_remove(ffff800000a74f00,0,80000000,ffff800014925ee8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000a74f00,0,80000000,ffff800014925ee8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000a74f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800014941c70,ffff8000ffff5158) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a73800,ffff8000ffff5158) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1385 [inline] vm_create(ffff800000a73800,ffff8000ffff5158) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1174 VOP_IOCTL(fffffd8036102750,c5005601,ffff800000a73800,1,fffffd803f7c6c60,ffff8000ffff5158) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8036236bc0,c5005601,ffff800000a73800,ffff8000ffff5158) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:536 sys_ioctl(ffff8000ffff5158,ffff8000149262c8,ffff800014926310) at sys_ioctl+0x5b9 syscall(ffff800014926390) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,eab2582e010) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0510, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014925ed0 rbx 0 rdx 0 rcx 0 rax 0xffff800000a74f00 r8 0x1 r9 0 r10 0xcc3969d3db5b5f5 r11 0x8478d674084b63c2 r12 0 r13 0xfffffd80348ce0d0 r14 0 r15 0xffff800000a74f00 rip 0xffffffff81559f4b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014925e20 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=288030 stat=onproc flags process=0 proc=0 pri=51, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff93c8,0xffffffff8259ac98 process=0xffff8000ffff6370 user=0xffff800014921000, vmspace=0xfffffd803f013880 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *80150 288030 46971 0 7 0 syz-executor.0 45188 208952 72534 0 2 0x2 syz-executor.1 46971 229070 72534 0 3 0x82 nanosleep syz-executor.0 72534 244618 73136 0 3 0x82 kqread syz-execprog 72534 283116 73136 0 2 0x4000482 syz-execprog 72534 133355 73136 0 3 0x4000082 thrsleep syz-execprog 72534 349027 73136 0 3 0x4000082 thrsleep syz-execprog 72534 116314 73136 0 3 0x4000082 thrsleep syz-execprog 72534 82056 73136 0 3 0x4000082 thrsleep syz-execprog 72534 2670 73136 0 3 0x4000082 thrsleep syz-execprog 73136 243743 12684 0 3 0x10008a pause ksh 12684 438346 4592 0 3 0x92 select sshd 75695 391587 1 0 3 0x100083 ttyin getty 4592 461032 1 0 3 0x80 select sshd 2327 78858 53564 73 2 0x100010 syslogd 53564 442098 1 0 3 0x100082 netio syslogd 62348 344498 1 77 3 0x100090 poll dhclient 56445 141524 1 0 3 0x80 poll dhclient 71946 296761 0 0 2 0x14200 zerothread 61059 246043 0 0 3 0x14200 aiodoned aiodoned 11359 138185 0 0 3 0x14200 syncer update 4309 140955 0 0 3 0x14200 cleaner cleaner 82216 278150 0 0 3 0x14200 reaper reaper 87932 354687 0 0 3 0x14200 pgdaemon pagedaemon 84112 206383 0 0 3 0x14200 bored crynlk 42343 348337 0 0 3 0x14200 bored crypto 2325 234893 0 0 3 0x40014200 acpi0 acpi0 84091 399547 0 0 3 0x14200 bored softnet 61982 150933 0 0 3 0x14200 bored systqmp 16488 450835 0 0 3 0x14200 bored systq 43127 14563 0 0 3 0x40014200 bored softclock 82222 4708 0 0 3 0x40014200 idle0 79924 72594 0 0 3 0x14200 bored smr 1 225885 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 9438 6312K 6312K 78643K 10531 0 0 pcb 13 8K 8K 78643K 13 0 0 rtable 105 3K 3K 78643K 191 0 0 ifaddr 34 9K 9K 78643K 34 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 25 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1180 74K 74K 78643K 1185 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 3 0K 0K 78643K 12 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 4 12K 24K 78643K 43 0 0 proc 47 38K 63K 78643K 347 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 33 2K 2K 78643K 33 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 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 185 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 71 19K 20K 78643K 906 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 9 0K 0K 78643K 9 0 0 temp 46 3522K 3586K 78643K 3179 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 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 27 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 30 0 24 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 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 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1427 0 28 46 0 46 46 0 8 0 ffsino 240 1427 0 28 83 0 83 83 0 8 0 nchpl 144 1678 0 68 60 0 60 60 0 8 0 uvmvnodes 72 1436 0 0 27 0 27 27 0 8 0 vnodes 208 1436 0 0 76 0 76 76 0 8 0 namei 1024 3988 0 3987 2 1 1 1 0 8 0 vmpool 520 10 0 9 1 0 1 1 0 8 0 scxspl 192 4239 0 4239 8 1 7 7 0 8 7 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 432 219 0 206 2 0 2 2 0 8 0 knotepl 112 51 0 34 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipepl 112 146 0 127 2 1 1 1 0 8 0 fdescpl 424 220 0 206 2 0 2 2 0 8 0 filepl 120 1024 0 961 2 0 2 2 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 206 0 206 2 1 1 1 0 8 1 processpl 864 234 0 206 4 0 4 4 0 8 0 procpl 632 240 0 206 4 0 4 4 0 8 1 sockpl 384 76 0 60 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 5481 0 5453 6 2 4 6 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9595 0 9488 10 3 7 7 0 8 0 bufpl 256 5805 0 1335 280 0 280 280 0 8 0 anonpl 16 21067 0 19556 15 2 13 13 0 62 6 amapchunkpl 152 852 0 791 5 0 5 5 0 158 2 amappl16 192 161 0 123 2 0 2 2 0 8 0 amappl15 184 19 0 14 1 0 1 1 0 8 0 amappl14 176 25 0 24 2 1 1 1 0 8 0 amappl12 160 6 0 4 1 0 1 1 0 8 0 amappl11 152 48 0 37 1 0 1 1 0 8 0 amappl10 144 19 0 15 1 0 1 1 0 8 0 amappl9 136 428 0 422 1 0 1 1 0 8 0 amappl8 128 124 0 115 1 0 1 1 0 8 0 amappl7 120 43 0 38 1 0 1 1 0 8 0 amappl6 112 76 0 67 1 0 1 1 0 8 0 amappl5 104 137 0 127 1 0 1 1 0 8 0 amappl4 96 449 0 423 1 0 1 1 0 8 0 amappl3 88 116 0 111 1 0 1 1 0 8 0 amappl2 80 892 0 831 4 1 3 3 0 8 1 amappl1 72 13984 0 13591 28 12 16 20 0 8 8 amappl 80 454 0 426 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 230 0 206 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 230 0 206 1 0 1 1 0 8 0 vmmpekpl 168 6298 0 6280 1 0 1 1 0 8 0 vmmpepl 168 30421 0 29507 88 12 76 76 0 357 36 vmsppl 272 219 0 206 2 0 2 2 0 8 1 pdppl 4096 466 0 430 6 0 6 6 0 8 1 pvpl 32 107263 0 103420 117 5 112 112 0 265 78 pmappl 200 229 0 215 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 411 0 8 12 0 12 12 0 8 0 ddb>