uvm_fault(0xffffffff824f7790, 0xffff800000ae9000, 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(0xffffffff824f7790, 0xffff800000ae9000, 0, 1) -> e uvm_unmap_remove(ffff800000ae8f00,0,80000000,ffff800015971258,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000ae8f00,0,80000000,ffff800015971258,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff800015971290, count: 0 ddb> trace uvm_unmap_remove(ffff800000ae8f00,0,80000000,ffff800015971258,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000ae8f00,0,80000000,ffff800015971258,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000ae8f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff800015951c70,ffff800015952780) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a74000,ffff800015952780) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a74000,ffff800015952780) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd8036ae6820,c5005601,ffff800000a74000,1,fffffd803f7c6a20,ffff800015952780) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8039bfdf00,c5005601,ffff800000a74000,ffff800015952780) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800015952780,ffff800015971638,ffff800015971680) at sys_ioctl+0x5b9 syscall(ffff800015971700) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,cf7733e0010) at Xsyscall+0x128 end of kernel end trace frame: 0xcf9f9dae350, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015971240 rbx 0 rdx 0x1af4 __ALIGN_SIZE+0xaf4 rcx 0xffff800014921000 rax 0xffff800000ae8f00 r8 0x1 r9 0 r10 0xaf31d8fa4beb873 r11 0x60a24e638954c357 r12 0 r13 0xfffffd802eb2bba0 r14 0 r15 0xffff800000ae8f00 rip 0xffffffff81f780db uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015971190 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=400423 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800015952ee8,0xffffffff82562a20 process=0xffff8000ffff7450 user=0xffff80001596c000, vmspace=0xfffffd803f014110 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 28261 30862 14595 0 2 0 syz-executor.0 *28261 400423 14595 0 7 0x4000000 syz-executor.0 70563 344159 85240 0 2 0 syz-executor.1 70563 277535 85240 0 3 0x4000080 ttyout syz-executor.1 85240 465138 59963 0 3 0x82 nanosleep syz-executor.1 14595 337986 59963 0 2 0x482 syz-executor.0 59963 87530 55934 0 3 0x82 thrsleep syz-fuzzer 59963 170067 55934 0 3 0x4000082 thrsleep syz-fuzzer 59963 44469 55934 0 3 0x4000082 kqread syz-fuzzer 59963 113903 55934 0 3 0x4000082 thrsleep syz-fuzzer 59963 473453 55934 0 3 0x4000082 thrsleep syz-fuzzer 59963 414433 55934 0 3 0x4000082 thrsleep syz-fuzzer 59963 365744 55934 0 3 0x4000082 thrsleep syz-fuzzer 55934 58623 69800 0 3 0x10008a pause ksh 69800 458224 74291 0 3 0x92 select sshd 23331 484631 1 0 3 0x100083 ttyin getty 74291 473706 1 0 3 0x80 select sshd 77014 113421 83229 73 2 0x100090 syslogd 83229 200569 1 0 3 0x100082 netio syslogd 25879 14740 1 77 3 0x100090 poll dhclient 73422 237393 1 0 3 0x80 poll dhclient 18381 286324 0 0 2 0x14200 zerothread 55219 212753 0 0 3 0x14200 aiodoned aiodoned 1644 40397 0 0 3 0x14200 syncer update 64683 515996 0 0 3 0x14200 cleaner cleaner 8655 206221 0 0 3 0x14200 reaper reaper 39778 246491 0 0 3 0x14200 pgdaemon pagedaemon 97230 397228 0 0 3 0x14200 bored crynlk 81994 110727 0 0 3 0x14200 bored crypto 30510 520867 0 0 3 0x40014200 acpi0 acpi0 9987 152449 0 0 3 0x14200 bored softnet 65154 334233 0 0 3 0x14200 bored systqmp 39586 419068 0 0 3 0x14200 bored systq 96180 58159 0 0 3 0x40014200 bored softclock 70241 354330 0 0 3 0x40014200 idle0 59719 145621 0 0 3 0x14200 bored smr 1 30900 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 9463 6326K 6839K 78643K 10905 0 0 pcb 13 8K 8K 78643K 36 0 0 rtable 108 3K 4K 78643K 207 0 0 ifaddr 42 11K 11K 78643K 47 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 20 0 0 iov 0 0K 16K 78643K 24 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1217 76K 77K 78643K 1347 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 6 0 0 VM map 3 0K 0K 78643K 3 0 0 sem 12 0K 1K 78643K 38 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 152 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 48 38K 63K 78643K 373 0 0 subproc 32 2K 2K 78643K 34 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 8 0 0 in_multi 33 2K 2K 78643K 34 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 66 291K 291K 78643K 66 0 0 exec 0 0K 1K 78643K 188 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 30K 78643K 1230 0 0 UVM aobj 9 2K 2K 78643K 11 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 14 0 0 NDP 7 0K 0K 78643K 12 0 0 temp 99 3521K 3586K 78643K 3573 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 21 0 19 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 69 0 61 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6449 0 6449 2 1 1 2 0 8 1 tcpcb 544 34 0 30 1 0 1 1 0 8 0 inpcb 280 109 0 102 1 0 1 1 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 256 213 0 0 14 0 14 14 0 8 0 art_table 32 214 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 9 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1604 0 208 46 0 46 46 0 8 0 ffsino 240 1604 0 208 83 0 83 83 0 8 0 nchpl 144 2072 0 460 60 0 60 60 0 8 0 uvmvnodes 72 1731 0 0 32 0 32 32 0 8 0 vnodes 208 1731 0 0 92 0 92 92 0 8 0 namei 1024 5512 0 5512 3 2 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scxspl 192 5286 0 5286 9 8 1 7 0 8 1 plimitpl 152 25 0 17 1 0 1 1 0 8 0 sigapl 432 323 0 309 2 0 2 2 0 8 0 futexpl 56 3000 0 3000 1 0 1 1 0 8 1 knotepl 112 66 0 47 1 0 1 1 0 8 0 kqueuepl 104 28 0 26 1 0 1 1 0 8 0 pipepl 112 218 0 199 2 1 1 1 0 8 0 fdescpl 424 324 0 309 2 0 2 2 0 8 0 filepl 120 2185 0 2087 4 0 4 4 0 8 1 lockfpl 104 27 0 26 1 0 1 1 0 8 0 lockfspl 48 11 0 10 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 13 1 0 1 1 0 8 0 ucredpl 96 460 0 453 1 0 1 1 0 8 0 zombiepl 144 309 0 309 3 2 1 1 0 8 1 processpl 864 338 0 309 4 0 4 4 0 8 0 procpl 632 493 0 456 4 0 4 4 0 8 0 sockpl 384 202 0 185 3 0 3 3 0 8 1 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 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 1 0 1 1 0 1 1 0 8 1 mcl4k 4096 26 0 26 2 1 1 1 0 8 1 mcl2k 2048 54465 0 54423 28 15 13 23 0 8 6 mtagpl 80 6 0 2 2 1 1 1 0 8 0 mbufpl 256 89512 0 89429 19 10 9 14 0 8 1 bufpl 256 6222 0 1448 299 0 299 299 0 8 0 anonpl 16 55965 0 41946 67 3 64 64 0 62 7 amapchunkpl 152 2280 0 2138 12 1 11 11 0 158 5 amappl16 192 1509 0 756 38 0 38 38 0 8 0 amappl15 184 63 0 61 2 1 1 1 0 8 0 amappl14 176 30 0 28 2 1 1 1 0 8 0 amappl12 160 15 0 12 1 0 1 1 0 8 0 amappl11 152 48 0 35 1 0 1 1 0 8 0 amappl10 144 9 0 7 1 0 1 1 0 8 0 amappl9 136 574 0 568 1 0 1 1 0 8 0 amappl8 128 140 0 120 1 0 1 1 0 8 0 amappl7 120 43 0 39 1 0 1 1 0 8 0 amappl6 112 81 0 72 1 0 1 1 0 8 0 amappl5 104 145 0 134 1 0 1 1 0 8 0 amappl4 96 536 0 510 1 0 1 1 0 8 0 amappl3 88 115 0 109 1 0 1 1 0 8 0 amappl2 80 1835 0 1760 4 2 2 3 0 8 0 amappl1 72 15240 0 14821 28 18 10 20 0 8 1 amappl 80 783 0 737 2 0 2 2 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 10 0 2 1 0 1 1 0 8 0 uaddrrnd 24 325 0 309 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 325 0 309 1 0 1 1 0 8 0 vmmpekpl 168 6355 0 6331 2 0 2 2 0 8 0 vmmpepl 168 45080 0 43181 132 30 102 102 0 357 19 vmsppl 272 323 0 309 2 0 2 2 0 8 1 pdppl 4096 656 0 618 6 0 6 6 0 8 1 pvpl 32 160528 0 143500 174 18 156 156 0 265 18 pmappl 200 324 0 309 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 466 0 30 13 0 13 13 0 8 0