uvm_fault(0xffffffff824f7790, 0xffff800000ad6000, 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, 0xffff800000ad6000, 0, 1) -> e uvm_unmap_remove(ffff800000ad5f00,0,80000000,ffff8000148f8538,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000ad5f00,0,80000000,ffff8000148f8538,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff8000148f8570, count: 0 ddb> trace uvm_unmap_remove(ffff800000ad5f00,0,80000000,ffff8000148f8538,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000ad5f00,0,80000000,ffff8000148f8538,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000ad5f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001593d248,ffff8000ffff38c8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a62000,ffff8000ffff38c8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a62000,ffff8000ffff38c8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80385ee750,c5005601,ffff800000a62000,1,fffffd803f7c6a20,ffff8000ffff38c8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ed6f6a0,c5005601,ffff800000a62000,ffff8000ffff38c8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff38c8,ffff8000148f8918,ffff8000148f8960) at sys_ioctl+0x5b9 syscall(ffff8000148f89e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,a7c356010) at Xsyscall+0x128 end of kernel end trace frame: 0xca9dd8870, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000148f8520 rbx 0 rdx 0x1b6d __ALIGN_SIZE+0xb6d rcx 0xffff80001513c000 rax 0xffff800000ad5f00 r8 0x1 r9 0 r10 0x7ef91dc35c400727 r11 0x9da9a2868aa4acb5 r12 0 r13 0xfffffd8037dd4020 r14 0 r15 0xffff800000ad5f00 rip 0xffffffff81f780db uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000148f8470 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=317165 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2ee8,0xffff8000ffff2c80 process=0xffff8000ffff66d0 user=0xffff8000148f3000, vmspace=0xfffffd803f014000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 42627 343832 52471 0 2 0 syz-executor.0 42627 83795 52471 0 3 0x4000080 fsleep syz-executor.0 65471 439982 56673 0 2 0 syz-executor.1 *65471 317165 56673 0 7 0x4000000 syz-executor.1 56673 302436 86722 0 3 0x82 nanosleep syz-executor.1 33138 186103 0 0 3 0x14200 bored sosplice 52471 78064 86722 0 3 0x82 nanosleep syz-executor.0 86722 369579 30046 0 3 0x82 thrsleep syz-fuzzer 86722 322821 30046 0 3 0x4000082 thrsleep syz-fuzzer 86722 11708 30046 0 3 0x4000082 thrsleep syz-fuzzer 86722 257156 30046 0 3 0x4000082 thrsleep syz-fuzzer 86722 177760 30046 0 3 0x4000082 kqread syz-fuzzer 86722 287971 30046 0 3 0x4000082 thrsleep syz-fuzzer 86722 227228 30046 0 3 0x4000082 thrsleep syz-fuzzer 30046 64774 74550 0 3 0x10008a pause ksh 74550 247117 9292 0 3 0x92 select sshd 22667 195154 1 0 3 0x100083 ttyin getty 9292 351251 1 0 3 0x80 select sshd 65408 518649 48599 73 2 0x100090 syslogd 48599 395814 1 0 3 0x100082 netio syslogd 14407 269423 1 77 3 0x100090 poll dhclient 5262 370328 1 0 3 0x80 poll dhclient 4645 311452 0 0 2 0x14200 zerothread 91880 316963 0 0 3 0x14200 aiodoned aiodoned 23778 322305 0 0 3 0x14200 syncer update 32976 345673 0 0 3 0x14200 cleaner cleaner 62140 413741 0 0 3 0x14200 reaper reaper 98021 279008 0 0 3 0x14200 pgdaemon pagedaemon 69028 128736 0 0 3 0x14200 bored crynlk 39117 249999 0 0 3 0x14200 bored crypto 55514 68169 0 0 3 0x40014200 acpi0 acpi0 53602 100508 0 0 3 0x14200 bored softnet 3198 357030 0 0 3 0x14200 bored systqmp 34196 489398 0 0 3 0x14200 bored systq 20118 73483 0 0 3 0x40014200 bored softclock 68000 175484 0 0 3 0x40014200 idle0 32163 171212 0 0 3 0x14200 bored smr 1 79338 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 9517 6682K 7111K 78643K 13439 0 0 pcb 13 8K 8K 78643K 150 0 0 rtable 110 3K 4K 78643K 390 0 0 ifaddr 52 12K 13K 78643K 113 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 52 0 0 iov 0 0K 16K 78643K 90 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1221 77K 77K 78643K 2159 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 13 0 0 VM map 3 0K 0K 78643K 3 0 0 sem 12 0K 0K 78643K 225 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 831 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 49 38K 55K 78643K 526 0 0 subproc 32 2K 2K 78643K 78 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 66 0 0 in_multi 33 2K 2K 78643K 63 0 0 ether_multi 1 0K 0K 78643K 4 0 0 mrt 1 0K 0K 78643K 6 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 276 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 97 21K 29K 78643K 2849 0 0 UVM aobj 40 4K 4K 78643K 44 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 97 0 0 NDP 10 0K 0K 78643K 33 0 0 temp 156 3535K 3608K 78643K 8834 0 0 kqueue 0 0K 0K 78643K 18 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 10 0 4 1 0 1 1 0 8 0 rtpcb 80 81 0 79 1 0 1 1 0 8 0 rtentry 112 67 0 23 2 0 2 2 0 8 0 unpcb 120 369 0 361 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 2497 0 2497 1 1 0 1 0 8 0 tcpcb 544 178 0 174 2 1 1 2 0 8 0 inpcb 280 1307 0 1300 4 1 3 3 0 8 2 nd6 48 8 0 4 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 2 0 1 0 8 0 ppxss 1128 12 0 12 4 3 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 301 0 86 14 0 14 14 0 8 0 art_table 32 302 0 86 2 0 2 2 0 8 0 art_node 16 64 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 4 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 223 0 213 1 0 1 1 0 8 0 shmpl 112 42 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2743 0 1351 46 0 46 46 0 8 0 ffsino 240 2743 0 1351 83 0 83 83 0 8 0 nchpl 144 4207 0 2598 61 0 61 61 0 8 0 uvmvnodes 72 3498 0 0 64 0 64 64 0 8 0 vnodes 208 3498 0 0 185 0 185 185 0 8 0 namei 1024 12609 0 12609 3 2 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 11636 0 11636 8 7 1 7 0 8 1 plimitpl 152 89 0 82 1 0 1 1 0 8 0 sigapl 432 996 0 982 2 0 2 2 0 8 0 futexpl 56 19472 0 19471 1 0 1 1 0 8 0 knotepl 112 279 0 260 2 1 1 2 0 8 0 kqueuepl 104 216 0 214 1 0 1 1 0 8 0 pipepl 112 486 0 467 3 1 2 2 0 8 1 fdescpl 424 997 0 982 2 0 2 2 0 8 0 filepl 120 7250 0 7151 6 1 5 5 0 8 2 lockfpl 104 648 0 645 1 0 1 1 0 8 0 lockfspl 48 211 0 208 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 29 0 19 1 0 1 1 0 8 0 ucredpl 96 1014 0 1007 1 0 1 1 0 8 0 zombiepl 144 982 0 982 3 2 1 1 0 8 1 processpl 864 1012 0 982 4 0 4 4 0 8 0 procpl 632 2072 0 2034 4 0 4 4 0 8 0 sosppl 128 7 0 7 1 1 0 1 0 8 0 sockpl 384 1791 0 1774 8 4 4 5 0 8 2 mcl64k 65536 22 0 22 2 2 0 1 0 8 0 mcl16k 16384 7 0 7 2 2 0 1 0 8 0 mcl12k 12288 11 0 11 6 5 1 1 0 8 1 mcl9k 9216 6 0 6 2 2 0 1 0 8 0 mcl8k 8192 33 0 33 1 0 1 1 0 8 1 mcl4k 4096 61 0 61 2 1 1 1 0 8 1 mcl2k2 2112 8 0 8 3 2 1 1 0 8 1 mcl2k 2048 60372 0 60317 20 12 8 17 0 8 0 mtagpl 80 34 0 22 3 2 1 1 0 8 0 mbufpl 256 103098 0 102986 18 9 9 11 0 8 0 bufpl 256 7616 0 2718 307 0 307 307 0 8 0 anonpl 16 101901 0 88126 78 17 61 73 0 62 3 amapchunkpl 152 4416 0 4306 13 7 6 10 0 158 0 amappl16 192 4793 0 4013 62 17 45 52 0 8 5 amappl15 184 290 0 290 2 2 0 1 0 8 0 amappl14 176 363 0 359 2 1 1 1 0 8 0 amappl12 160 22 0 15 1 0 1 1 0 8 0 amappl11 152 278 0 265 1 0 1 1 0 8 0 amappl10 144 84 0 82 2 1 1 1 0 8 0 amappl9 136 599 0 593 1 0 1 1 0 8 0 amappl8 128 180 0 153 1 0 1 1 0 8 0 amappl7 120 117 0 112 1 0 1 1 0 8 0 amappl6 112 296 0 284 1 0 1 1 0 8 0 amappl5 104 163 0 152 1 0 1 1 0 8 0 amappl4 96 1218 0 1189 1 0 1 1 0 8 0 amappl3 88 444 0 439 1 0 1 1 0 8 0 amappl2 80 7169 0 7094 4 2 2 3 0 8 0 amappl1 72 27085 0 26669 28 19 9 20 0 8 0 amappl 80 2323 0 2285 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 43 0 4 1 0 1 1 0 8 0 uaddrrnd 24 998 0 982 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 998 0 982 1 0 1 1 0 8 0 vmmpekpl 168 10322 0 10295 2 0 2 2 0 8 0 vmmpepl 168 122283 0 120348 157 53 104 108 0 357 19 vmsppl 272 996 0 982 2 1 1 2 0 8 0 pdppl 4096 2002 0 1964 6 1 5 6 0 8 0 pvpl 32 293557 0 276730 196 34 162 178 0 265 23 pmappl 200 997 0 982 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 468 0 33 13 0 13 13 0 8 0