uvm_fault(0xffffffff82542bb0, 0xffff800000b93000, 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(0xffffffff82542bb0, 0xffff800000b93000, 0, 1) -> e uvm_unmap_remove(ffff800000b92f00,200000,80200000,ffff80001793a518,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b92f00,200000,80200000,ffff80001793a518,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff80001793a550, count: 0 ddb> trace uvm_unmap_remove(ffff800000b92f00,200000,80200000,ffff80001793a518,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b92f00,200000,80200000,ffff80001793a518,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000b92f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800017949c70,ffff80001794b8c8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000abe800,ffff80001794b8c8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000abe800,ffff80001794b8c8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80360ea410,c5005601,ffff800000abe800,1,fffffd803f7c6a80,ffff80001794b8c8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ea0f448,c5005601,ffff800000abe800,ffff80001794b8c8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff80001794b8c8,ffff80001793a8f8,ffff80001793a940) at sys_ioctl+0x5b9 syscall(ffff80001793a9c0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,83497ed010) at Xsyscall+0x128 end of kernel end trace frame: 0x85e4855410, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001793a500 rbx 0 rdx 0x15e9 __ALIGN_SIZE+0x5e9 rcx 0xffff800014923000 rax 0xffff800000b92f00 r8 0x1 r9 0 r10 0x7b85e1abfe1d75ee r11 0x196cc662659e924b r12 0x200000 acpi_pdirpa+0x1ebe68 r13 0xfffffd802ea65268 r14 0x200000 acpi_pdirpa+0x1ebe68 r15 0xffff800000b92f00 rip 0xffffffff813897cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001793a450 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=431386 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff80001794b160,0xffffffff825545b0 process=0xffff8000ffff7b10 user=0xffff800017935000, vmspace=0xfffffd803f013770 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 25773 141701 3690 0 2 0 syz-executor.1 *25773 431386 3690 0 7 0x4000000 syz-executor.1 22008 54550 64939 0 2 0x482 syz-executor.0 42971 172577 0 0 3 0x14200 bored sosplice 65714 329328 1 0 3 0x100083 ttyin getty 3690 367262 64939 0 3 0x82 nanosleep syz-executor.1 64939 510238 35017 0 3 0x82 kqread syz-fuzzer 64939 96318 35017 0 3 0x4000082 thrsleep syz-fuzzer 64939 462268 35017 0 3 0x4000082 thrsleep syz-fuzzer 64939 90905 35017 0 3 0x4000082 thrsleep syz-fuzzer 64939 127448 35017 0 3 0x4000082 thrsleep syz-fuzzer 64939 489900 35017 0 3 0x4000082 thrsleep syz-fuzzer 64939 251356 35017 0 3 0x4000082 thrsleep syz-fuzzer 35017 83790 52543 0 3 0x10008a pause ksh 52543 248153 6672 0 3 0x92 select sshd 6672 443384 1 0 3 0x80 select sshd 19567 101615 22904 73 2 0x100010 syslogd 22904 357725 1 0 3 0x100082 netio syslogd 98759 223755 1 77 3 0x100090 poll dhclient 42583 309670 1 0 3 0x80 poll dhclient 40575 400790 0 0 2 0x14200 zerothread 44936 416845 0 0 3 0x14200 aiodoned aiodoned 25074 23161 0 0 3 0x14200 syncer update 11929 455515 0 0 3 0x14200 cleaner cleaner 40932 2264 0 0 3 0x14200 reaper reaper 59682 478555 0 0 3 0x14200 pgdaemon pagedaemon 91688 72486 0 0 3 0x14200 bored crynlk 35085 347398 0 0 3 0x14200 bored crypto 25270 205018 0 0 3 0x40014200 acpi0 acpi0 52536 187068 0 0 3 0x14200 bored softnet 56203 332095 0 0 3 0x14200 bored systqmp 30803 6452 0 0 3 0x14200 bored systq 36472 68802 0 0 3 0x40014200 bored softclock 36084 403494 0 0 3 0x40014200 idle0 71900 125232 0 0 2 0x14200 smr 1 342690 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 9525 6919K 7307K 78643K 13114 0 0 pcb 13 8K 8K 78643K 143 0 0 rtable 112 12K 12K 78643K 321 0 0 ifaddr 49 12K 12K 78643K 89 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 32 0 0 iov 0 0K 16K 78643K 52 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1232 77K 78K 78643K 2044 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 16 0 0 VM map 3 0K 0K 78643K 4 0 0 sem 12 0K 1K 78643K 102 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 700 0 0 sigio 0 0K 0K 78643K 8 0 0 proc 49 38K 55K 78643K 465 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 50 0 0 in_multi 33 2K 2K 78643K 60 0 0 ether_multi 1 0K 0K 78643K 2 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 265 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 94 21K 25K 78643K 2515 0 0 UVM aobj 57 2K 2K 78643K 64 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 9K 78643K 2006 0 0 NDP 9 0K 0K 78643K 25 0 0 temp 149 3534K 3601K 78643K 16307 0 0 kqueue 0 0K 0K 78643K 7 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 55 0 53 1 0 1 1 0 8 0 rtentry 112 57 0 13 2 0 2 2 0 8 0 unpcb 120 293 0 285 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6574 0 6574 1 1 0 1 0 8 0 tcpcb 544 122 0 118 1 0 1 1 0 8 0 inpcb 280 1276 0 1269 7 5 2 4 0 8 1 nd6 48 6 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 ppxss 1128 7 0 7 4 3 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 258 0 43 14 0 14 14 0 8 0 art_table 32 259 0 43 2 0 2 2 0 8 0 art_node 16 54 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 100 0 90 1 0 1 1 0 8 0 shmpl 112 62 0 7 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2492 0 1105 46 0 46 46 0 8 0 ffsino 240 2492 0 1105 83 0 83 83 0 8 0 nchpl 144 3899 0 2296 60 0 60 60 0 8 0 uvmvnodes 72 3142 0 0 58 0 58 58 0 8 0 vnodes 208 3142 0 0 166 0 166 166 0 8 0 namei 1024 11445 0 11445 3 2 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 192 10121 0 10121 9 8 1 7 0 8 1 plimitpl 152 75 0 68 1 0 1 1 0 8 0 sigapl 432 869 0 856 2 0 2 2 0 8 0 futexpl 56 18751 0 18751 1 0 1 1 0 8 1 knotepl 112 174 0 155 1 0 1 1 0 8 0 kqueuepl 104 198 0 196 1 0 1 1 0 8 0 pipepl 112 432 0 413 3 2 1 2 0 8 0 fdescpl 424 870 0 856 2 0 2 2 0 8 0 filepl 120 6860 0 6763 6 2 4 5 0 8 1 lockfpl 104 296 0 295 1 0 1 1 0 8 0 lockfspl 48 100 0 99 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 1020 0 1013 1 0 1 1 0 8 0 zombiepl 144 856 0 855 3 2 1 1 0 8 0 processpl 864 885 0 855 4 0 4 4 0 8 0 procpl 632 1784 0 1747 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 384 1644 0 1627 9 6 3 6 0 8 1 mcl64k 65536 15 0 15 4 4 0 1 0 8 0 mcl16k 16384 6 0 6 4 3 1 1 0 8 1 mcl12k 12288 24 0 24 3 2 1 1 0 8 1 mcl9k 9216 14 0 14 3 3 0 1 0 8 0 mcl8k 8192 36 0 36 2 1 1 1 0 8 1 mcl4k 4096 79 0 79 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 56088 0 56048 18 12 6 16 0 8 0 mtagpl 80 9 0 3 2 1 1 1 0 8 0 mbufpl 256 98690 0 98605 16 9 7 10 0 8 0 bufpl 256 7433 0 2550 306 0 306 306 0 8 0 anonpl 16 90763 0 76407 94 32 62 75 0 62 2 amapchunkpl 152 3969 0 3865 15 10 5 8 0 158 0 amappl16 192 4443 0 3638 60 19 41 51 0 8 0 amappl14 176 374 0 369 2 1 1 1 0 8 0 amappl13 168 10 0 8 1 0 1 1 0 8 0 amappl12 160 5 0 2 1 0 1 1 0 8 0 amappl11 152 46 0 35 1 0 1 1 0 8 0 amappl10 144 10 0 9 1 0 1 1 0 8 0 amappl9 136 682 0 675 1 0 1 1 0 8 0 amappl8 128 247 0 224 1 0 1 1 0 8 0 amappl7 120 40 0 36 1 0 1 1 0 8 0 amappl6 112 72 0 65 1 0 1 1 0 8 0 amappl5 104 157 0 144 1 0 1 1 0 8 0 amappl4 96 757 0 731 1 0 1 1 0 8 0 amappl3 88 831 0 822 1 0 1 1 0 8 0 amappl2 80 6142 0 6076 4 2 2 3 0 8 0 amappl1 72 25042 0 24643 28 19 9 20 0 8 0 amappl 80 2019 0 1984 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 63 0 7 1 0 1 1 0 8 0 uaddrrnd 24 872 0 856 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 872 0 856 1 0 1 1 0 8 0 vmmpekpl 168 9551 0 9527 2 0 2 2 0 8 0 vmmpepl 168 107742 0 105903 155 61 94 110 0 357 8 vmsppl 272 869 0 856 2 1 1 2 0 8 0 pdppl 4096 1750 0 1714 6 1 5 6 0 8 0 pvpl 32 264224 0 246820 220 59 161 177 0 265 17 pmappl 200 871 0 857 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 467 0 36 13 0 13 13 0 8 0