uvm_fault(0xffffffff82512c50, 0xffff800000a45000, 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(0xffffffff82512c50, 0xffff800000a45000, 0, 1) -> e uvm_unmap_remove(ffff800000a44f00,0,80000000,ffff800014944618,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a44f00,0,80000000,ffff800014944618,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800014944650, count: 0 ddb> trace uvm_unmap_remove(ffff800000a44f00,0,80000000,ffff800014944618,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a44f00,0,80000000,ffff800014944618,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_map_deallocate(ffff800000a44f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4249 vm_impl_init_vmx(ffff80001795b658,ffff8000149142a0) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a43000,ffff8000149142a0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a43000,ffff8000149142a0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803e8478f0,c5005601,ffff800000a43000,1,fffffd803f7c6780,ffff8000149142a0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802de09178,c5005601,ffff800000a43000,ffff8000149142a0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000149142a0,ffff8000149449f8,ffff800014944a40) at sys_ioctl+0x5b9 syscall(ffff800014944ac0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe93090dfd30, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014944600 rbx 0 rdx 0x170e __ALIGN_SIZE+0x70e rcx 0xffff80001594f000 rax 0xffff800000a44f00 r8 0x1 r9 0 r10 0x8bb3df5d39a5c5c8 r11 0x48933262bce05963 r12 0 r13 0xfffffd802e600068 r14 0 r15 0xffff800000a44f00 rip 0xffffffff81fdb9fb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014944550 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=92952 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800014914018,0xffffffff825b2828 process=0xffff8000ffff6e10 user=0xffff80001493f000, vmspace=0xfffffd803f012440 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 6657 430904 87336 0 2 0 syz-executor.0 * 6657 92952 87336 0 7 0x4000000 syz-executor.0 47393 265583 0 0 3 0x14200 bored sosplice 87336 377789 65946 0 2 0x482 syz-executor.0 10189 41775 65946 0 2 0x2 syz-executor.1 65946 285010 1065 0 3 0x82 thrsleep syz-fuzzer 65946 118375 1065 0 2 0x4000482 syz-fuzzer 65946 23344 1065 0 3 0x4000082 thrsleep syz-fuzzer 65946 112605 1065 0 3 0x4000082 thrsleep syz-fuzzer 65946 496885 1065 0 3 0x4000082 thrsleep syz-fuzzer 65946 105651 1065 0 3 0x4000082 thrsleep syz-fuzzer 65946 108955 1065 0 3 0x4000082 thrsleep syz-fuzzer 65946 411216 1065 0 3 0x4000082 kqread syz-fuzzer 1065 435760 43347 0 3 0x10008a pause ksh 43347 199770 82351 0 3 0x92 select sshd 60839 365291 1 0 3 0x100083 ttyin getty 82351 363327 1 0 3 0x80 select sshd 19881 42580 49960 73 3 0x100090 kqread syslogd 49960 309444 1 0 3 0x100082 netio syslogd 74955 100648 0 0 2 0x14200 zerothread 89973 491595 0 0 3 0x14200 aiodoned aiodoned 21584 306934 0 0 3 0x14200 syncer update 5405 445458 0 0 3 0x14200 cleaner cleaner 27682 248747 0 0 3 0x14200 reaper reaper 48964 488425 0 0 3 0x14200 pgdaemon pagedaemon 2644 71196 0 0 3 0x14200 bored crynlk 33830 27138 0 0 3 0x14200 bored crypto 1161 426691 0 0 3 0x40014200 acpi0 acpi0 49058 328896 0 0 3 0x14200 bored softnet 27757 26475 0 0 3 0x14200 bored systqmp 38101 145798 0 0 3 0x14200 bored systq 19264 119852 0 0 3 0x40014200 bored softclock 64348 139192 0 0 3 0x40014200 idle0 78774 390684 0 0 3 0x14200 bored smr 1 361350 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 devbuf 9490 6402K 8211K 78643K 11578 0 pcb 13 8K 8K 78643K 87 0 rtable 104 3K 3K 78643K 253 0 ifaddr 65 13K 14K 78643K 93 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 26 0 iov 0 0K 16K 78643K 59 0 mount 1 1K 1K 78643K 1 0 vnodes 1239 78K 78K 78643K 1495 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 3 0K 0K 78643K 4 0 sem 12 1K 1K 78643K 66 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 183 0 sigio 0 0K 0K 78643K 14 0 proc 44 30K 63K 78643K 420 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 47 0 in_multi 48 2K 2K 78643K 81 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 48 212K 212K 78643K 48 0 exec 0 0K 1K 78643K 212 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 103 21K 26K 78643K 1305 0 UVM aobj 16 2K 2K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 43 0 NDP 11 0K 0K 78643K 22 0 temp 105 3553K 3618K 78643K 14326 0 SYN cache 2 16K 16K 78643K 2 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 96 37 0 37 1 0 1 1 0 8 1 rtentry 112 67 0 25 2 0 2 2 0 8 0 unpcb 120 117 0 111 1 0 1 1 0 8 0 syncache 280 5 0 5 2 1 1 1 0 8 1 tcpqe 32 140 0 140 1 1 0 1 0 8 0 tcpcb 640 95 0 91 2 0 2 2 0 8 1 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 8 0 8 1 1 0 1 0 8 0 inpcb 280 338 0 334 3 1 2 2 0 8 1 nd6 48 9 0 6 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 328 0 130 14 0 14 14 0 8 0 art_table 32 329 0 130 2 0 2 2 0 8 0 art_node 16 66 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 64 0 54 1 0 1 1 0 8 0 shmpl 112 18 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1652 0 257 46 0 46 46 0 8 0 ffsino 240 1652 0 257 83 0 83 83 0 8 0 nchpl 144 2105 0 1668 60 34 26 60 0 8 6 uvmvnodes 72 1932 0 0 36 0 36 36 0 8 0 vnodes 208 1932 0 0 102 0 102 102 0 8 0 namei 1024 5921 0 5921 1 0 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 208 6231 0 6231 8 6 2 7 0 8 2 plimitpl 152 31 0 25 1 0 1 1 0 8 0 sigapl 432 350 0 339 2 0 2 2 0 8 0 futexpl 56 5421 0 5421 1 0 1 1 0 8 1 knotepl 112 74 0 55 1 0 1 1 0 8 0 kqueuepl 104 49 0 47 1 0 1 1 0 8 0 pipepl 128 230 0 207 2 1 1 2 0 8 0 fdescpl 424 351 0 339 2 0 2 2 0 8 0 filepl 120 2655 0 2563 5 0 5 5 0 8 2 lockfpl 104 105 0 105 1 0 1 1 0 8 1 lockfspl 48 35 0 35 1 0 1 1 0 8 1 sessionpl 128 18 0 10 1 0 1 1 0 8 0 pgrppl 48 20 0 12 1 0 1 1 0 8 0 ucredpl 96 268 0 262 1 0 1 1 0 8 0 zombiepl 144 339 0 339 1 0 1 1 0 8 1 processpl 896 366 0 339 4 0 4 4 0 8 0 procpl 648 570 0 535 4 0 4 4 0 8 0 sosppl 144 4 0 4 1 0 1 1 0 8 1 sockpl 384 494 0 484 4 1 3 3 0 8 1 mcl64k 65536 19 0 19 1 0 1 1 0 8 1 mcl16k 16384 5 0 5 2 1 1 1 0 8 1 mcl12k 12288 9 0 9 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 16 0 16 1 0 1 1 0 8 1 mcl4k 4096 26 0 26 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 1 0 1 1 0 8 1 mcl2k 2048 69820 0 69789 14 9 5 14 0 8 0 mtagpl 80 13 0 3 2 1 1 1 0 8 0 mbufpl 256 111735 0 111617 11 3 8 10 0 8 0 bufpl 280 7858 0 1871 429 0 429 429 0 8 0 anonpl 16 67615 0 48987 100 8 92 98 0 62 10 amapchunkpl 152 1847 0 1692 16 6 10 16 0 158 3 amappl16 192 2386 0 1257 73 8 65 69 0 8 8 amappl14 176 51 0 46 1 0 1 1 0 8 0 amappl13 168 8 0 7 1 0 1 1 0 8 0 amappl12 160 91 0 89 1 0 1 1 0 8 0 amappl11 152 48 0 44 1 0 1 1 0 8 0 amappl10 144 15 0 13 1 0 1 1 0 8 0 amappl9 136 619 0 613 1 0 1 1 0 8 0 amappl8 128 211 0 181 1 0 1 1 0 8 0 amappl7 120 38 0 35 1 0 1 1 0 8 0 amappl6 112 60 0 51 1 0 1 1 0 8 0 amappl5 104 241 0 233 1 0 1 1 0 8 0 amappl4 96 546 0 524 1 0 1 1 0 8 0 amappl3 88 139 0 132 1 0 1 1 0 8 0 amappl2 80 1978 0 1916 3 1 2 3 0 8 0 amappl1 72 15807 0 15429 26 17 9 20 0 8 0 amappl 80 811 0 768 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 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 19 0 4 1 0 1 1 0 8 0 uaddrrnd 24 353 0 339 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 353 0 339 1 0 1 1 0 8 0 vmmpekpl 168 6630 0 6606 2 0 2 2 0 8 0 vmmpepl 168 51267 0 49150 142 9 133 137 0 357 37 vmsppl 272 350 0 339 2 1 1 2 0 8 0 pdppl 4096 712 0 680 6 1 5 6 0 8 0 pvpl 32 220767 0 199099 312 6 306 312 0 265 117 pmappl 200 352 0 340 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 143 0 18 4 0 4 4 0 8 0