uvm_fault(0xffffffff824f7790, 0xffff800000af0000, 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, 0xffff800000af0000, 0, 1) -> e uvm_unmap_remove(ffff800000aeff00,0,80000000,ffff80001593c978,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aeff00,0,80000000,ffff80001593c978,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001593c9b0, count: 0 ddb> trace uvm_unmap_remove(ffff800000aeff00,0,80000000,ffff80001593c978,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000aeff00,0,80000000,ffff80001593c978,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000aeff00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001595fc80,ffff8000ffff2508) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a8b000,ffff8000ffff2508) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a8b000,ffff8000ffff2508) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80360fe340,c5005601,ffff800000a8b000,1,fffffd803f7c6b40,ffff8000ffff2508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d55c4b8,c5005601,ffff800000a8b000,ffff8000ffff2508) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2508,ffff80001593cd58,ffff80001593cda0) at sys_ioctl+0x5b9 syscall(ffff80001593ce20) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,ba8cb8f3010) at Xsyscall+0x128 end of kernel end trace frame: 0xbabbd80b6d0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001593c960 rbx 0 rdx 0x11ad __ALIGN_SIZE+0x1ad rcx 0xffff800015531000 rax 0xffff800000aeff00 r8 0x1 r9 0 r10 0x549ee9d53ac5e9d9 r11 0x81e1928a87eb5291 r12 0 r13 0xfffffd802e1a1618 r14 0 r15 0xffff800000aeff00 rip 0xffffffff81f780db uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001593c8b0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=276909 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2c70,0xffffffff82562a20 process=0xffff8000148a2a38 user=0xffff800015937000, vmspace=0xfffffd803f014440 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 82793 97401 6946 0 2 0 syz-executor.1 *82793 276909 6946 0 7 0x4000000 syz-executor.1 7439 349719 16158 0 3 0x80 nanosleep syz-executor.0 7439 199154 16158 0 3 0x4000080 kqread syz-executor.0 7439 506816 16158 0 3 0x4000080 fsleep syz-executor.0 16158 99858 74859 0 2 0x482 syz-executor.0 6946 193311 74859 0 2 0x482 syz-executor.1 89807 405370 0 0 3 0x14200 bored sosplice 74859 251754 2266 0 3 0x82 thrsleep syz-fuzzer 74859 383796 2266 0 2 0x4000482 syz-fuzzer 74859 217756 2266 0 3 0x4000082 thrsleep syz-fuzzer 74859 514660 2266 0 3 0x4000082 thrsleep syz-fuzzer 74859 201943 2266 0 3 0x4000082 kqread syz-fuzzer 74859 135572 2266 0 3 0x4000082 thrsleep syz-fuzzer 74859 473480 2266 0 3 0x4000082 thrsleep syz-fuzzer 2266 459519 37659 0 3 0x10008a pause ksh 37659 334363 88965 0 3 0x92 select sshd 32401 481010 1 0 3 0x100083 ttyin getty 88965 264501 1 0 3 0x80 select sshd 57417 308478 38095 73 2 0x100090 syslogd 38095 348376 1 0 3 0x100082 netio syslogd 70164 218095 1 77 3 0x100090 poll dhclient 95666 311157 1 0 3 0x80 poll dhclient 99152 470804 0 0 2 0x14200 zerothread 67808 94973 0 0 3 0x14200 aiodoned aiodoned 59245 4227 0 0 3 0x14200 syncer update 41984 518619 0 0 3 0x14200 cleaner cleaner 24642 96126 0 0 3 0x14200 reaper reaper 57182 82967 0 0 3 0x14200 pgdaemon pagedaemon 76670 33897 0 0 3 0x14200 bored crynlk 94726 495421 0 0 3 0x14200 bored crypto 41726 264213 0 0 3 0x40014200 acpi0 acpi0 56033 36858 0 0 3 0x14200 bored softnet 7072 148868 0 0 3 0x14200 bored systqmp 16478 52754 0 0 3 0x14200 bored systq 51932 99082 0 0 3 0x40014200 bored softclock 47145 112039 0 0 3 0x40014200 idle0 35664 25367 0 0 3 0x14200 bored smr 1 237143 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 9544 6497K 7783K 78643K 16972 0 0 pcb 13 8K 8K 78643K 208 0 0 rtable 111 4K 4K 78643K 696 0 0 ifaddr 64 14K 14K 78643K 220 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 115 0 0 iov 0 0K 32K 78643K 194 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1213 76K 77K 78643K 3233 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 32 0 0 VM map 3 0K 0K 78643K 10 0 0 sem 12 0K 1K 78643K 232 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 1672 0 0 sigio 0 0K 0K 78643K 56 0 0 proc 50 38K 63K 78643K 701 0 0 subproc 32 2K 2K 78643K 136 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 155 0 0 in_multi 33 2K 2K 78643K 166 0 0 ether_multi 1 0K 0K 78643K 14 0 0 mrt 0 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 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 405 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 96 21K 30K 78643K 4892 0 0 UVM aobj 65 3K 3K 78643K 83 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 199 0 0 NDP 14 0K 0K 78643K 68 0 0 temp 183 3531K 3599K 78643K 40780 0 0 kqueue 0 0K 0K 78643K 12 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 19 0 13 1 0 1 1 0 8 0 rtpcb 80 98 0 95 1 0 1 1 0 8 0 rtentry 112 108 0 64 2 0 2 2 0 8 0 unpcb 120 4216 0 4200 10 8 2 3 0 8 1 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 5993 0 5993 1 1 0 1 0 8 0 tcpcb 544 387 0 383 2 1 1 2 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 inpcb 280 1052 0 1045 5 4 1 2 0 8 0 nd6 48 16 0 12 1 0 1 1 0 8 0 ppxss 1128 21 0 21 9 9 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 487 0 272 17 3 14 14 0 8 0 art_table 32 488 0 272 2 0 2 2 0 8 0 art_node 16 105 0 65 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 7 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 230 0 220 1 0 1 1 0 8 0 shmpl 112 81 0 18 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3935 0 2551 46 0 46 46 0 8 0 ffsino 240 3935 0 2551 83 0 83 83 0 8 0 nchpl 144 6425 0 4809 61 0 61 61 0 8 0 uvmvnodes 72 5522 0 0 101 0 101 101 0 8 0 vnodes 208 5522 0 0 291 0 291 291 0 8 0 namei 1024 22552 0 22552 4 3 1 1 0 8 1 vmpool 520 8 0 7 3 2 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 23495 0 23495 17 16 1 7 0 8 1 plimitpl 152 145 0 138 1 0 1 1 0 8 0 sigapl 432 1825 0 1811 2 0 2 2 0 8 0 futexpl 56 39711 0 39710 2 1 1 1 0 8 0 knotepl 112 471 0 452 1 0 1 1 0 8 0 kqueuepl 104 461 0 456 1 0 1 1 0 8 0 pipepl 112 2366 0 2347 9 8 1 2 0 8 0 fdescpl 424 1826 0 1811 2 0 2 2 0 8 0 filepl 120 18566 0 18458 12 7 5 6 0 8 1 lockfpl 104 529 0 528 1 0 1 1 0 8 0 lockfspl 48 178 0 177 1 0 1 1 0 8 0 sessionpl 112 23 0 13 1 0 1 1 0 8 0 pgrppl 48 43 0 33 1 0 1 1 0 8 0 ucredpl 96 2188 0 2181 1 0 1 1 0 8 0 zombiepl 144 1811 0 1811 3 2 1 1 0 8 1 processpl 864 1841 0 1811 4 0 4 4 0 8 0 procpl 632 3928 0 3889 4 0 4 4 0 8 0 sosppl 128 27 0 27 7 7 0 1 0 8 0 sockpl 384 5390 0 5364 22 16 6 9 0 8 3 mcl64k 65536 46 0 46 8 7 1 1 0 8 1 mcl16k 16384 11 0 11 7 7 0 1 0 8 0 mcl12k 12288 37 0 37 5 5 0 1 0 8 0 mcl9k 9216 27 0 27 6 5 1 1 0 8 1 mcl8k 8192 49 0 49 7 6 1 1 0 8 1 mcl4k 4096 162 0 162 3 2 1 1 0 8 1 mcl2k2 2112 5 0 5 3 3 0 1 0 8 0 mcl2k 2048 59110 0 59071 18 12 6 17 0 8 0 mtagpl 80 40 0 40 2 2 0 1 0 8 0 mbufpl 256 105359 0 105276 19 11 8 11 0 8 0 bufpl 256 12680 0 6448 390 0 390 390 0 8 0 anonpl 16 212224 0 198242 135 77 58 107 0 62 0 amapchunkpl 152 8975 0 8863 49 44 5 34 0 158 0 amappl16 192 10224 0 9415 113 72 41 52 0 8 0 amappl15 184 8 0 8 1 1 0 1 0 8 0 amappl14 176 76 0 72 2 1 1 1 0 8 0 amappl13 168 182 0 179 3 2 1 1 0 8 0 amappl12 160 16 0 13 1 0 1 1 0 8 0 amappl11 152 107 0 95 1 0 1 1 0 8 0 amappl10 144 276 0 276 2 2 0 1 0 8 0 amappl9 136 1726 0 1717 1 0 1 1 0 8 0 amappl8 128 1273 0 1248 1 0 1 1 0 8 0 amappl7 120 328 0 322 1 0 1 1 0 8 0 amappl6 112 113 0 105 1 0 1 1 0 8 0 amappl5 104 198 0 188 1 0 1 1 0 8 0 amappl4 96 2110 0 2084 1 0 1 1 0 8 0 amappl3 88 179 0 174 1 0 1 1 0 8 0 amappl2 80 13591 0 13517 4 2 2 3 0 8 0 amappl1 72 41986 0 41555 26 16 10 20 0 8 0 amappl 80 4245 0 4206 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 82 0 18 2 0 2 2 0 8 0 uaddrrnd 24 1834 0 1811 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1834 0 1811 1 0 1 1 0 8 0 vmmpekpl 168 17823 0 17795 2 0 2 2 0 8 0 vmmpepl 168 222572 0 220610 215 106 109 126 0 357 23 vmsppl 272 1825 0 1811 3 2 1 2 0 8 0 pdppl 4096 3674 0 3636 6 1 5 6 0 8 0 pvpl 32 576002 0 557814 396 129 267 346 0 265 120 pmappl 200 1833 0 1818 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 573 0 57 15 0 15 15 0 8 0