uvm_fault(0xffffffff82513c48, 0xffff800000af7000, 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(0xffffffff82513c48, 0xffff800000af7000, 0, 1) -> e uvm_unmap_remove(ffff800000af6f00,0,1ef000,ffff800014943d80,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000af6f00,0,1ef000,ffff800014943d80,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800014943e30, count: 0 ddb> trace uvm_unmap_remove(ffff800000af6f00,0,1ef000,ffff800014943d80,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000af6f00,0,1ef000,ffff800014943d80,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000af6f00,0,7,fffffd803f012440,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff80001488d860,ffff8000ffff36e0) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000af9000,ffff8000ffff36e0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000af9000,ffff8000ffff36e0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803dd1e820,c5005601,ffff800000af9000,1,fffffd803f7c69c0,ffff8000ffff36e0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d52b538,c5005601,ffff800000af9000,ffff8000ffff36e0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff36e0,ffff8000149441d8,ffff800014944220) at sys_ioctl+0x5b9 syscall(ffff8000149442a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa8e15f01a50, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014943d50 rbx 0 rdx 0x455 rcx 0xffff800016b47000 rax 0xffff800000af6f00 r8 0 r9 0x1 r10 0x552065f133d05df r11 0x855239f4035dd0d2 r12 0 r13 0xfffffd802e2d64b8 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000af6f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014943ca0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=41729 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3968,0xffffffff825b8d60 process=0xffff8000ffff7c10 user=0xffff80001493f000, vmspace=0xfffffd803f012440 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 38700 335789 18131 0 2 0 syz-executor.0 *38700 41729 18131 0 7 0x4000000 syz-executor.0 18131 67177 30934 0 3 0x82 nanosleep syz-executor.0 92399 53735 0 0 3 0x14200 bored sosplice 76072 101886 30934 0 3 0x82 nanosleep syz-executor.1 30934 236333 64537 0 3 0x82 thrsleep syz-fuzzer 30934 111365 64537 0 3 0x4000082 nanosleep syz-fuzzer 30934 410254 64537 0 3 0x4000082 thrsleep syz-fuzzer 30934 82200 64537 0 3 0x4000082 thrsleep syz-fuzzer 30934 446956 64537 0 3 0x4000082 kqread syz-fuzzer 30934 175298 64537 0 3 0x4000082 thrsleep syz-fuzzer 30934 129716 64537 0 3 0x4000082 thrsleep syz-fuzzer 30934 6391 64537 0 3 0x4000082 thrsleep syz-fuzzer 64537 373402 82960 0 3 0x10008a pause ksh 82960 101605 28367 0 3 0x92 select sshd 97092 361012 1 0 3 0x100083 ttyin getty 28367 26541 1 0 3 0x80 select sshd 61271 99399 99814 73 3 0x100090 kqread syslogd 99814 225292 1 0 3 0x100082 netio syslogd 85774 448443 0 0 2 0x14200 zerothread 89375 504563 0 0 3 0x14200 aiodoned aiodoned 92103 437449 0 0 3 0x14200 syncer update 57355 111916 0 0 3 0x14200 cleaner cleaner 64963 89756 0 0 3 0x14200 reaper reaper 5508 166107 0 0 3 0x14200 pgdaemon pagedaemon 22888 113567 0 0 3 0x14200 bored crynlk 81964 28920 0 0 3 0x14200 bored crypto 19037 412369 0 0 3 0x40014200 acpi0 acpi0 68725 10282 0 0 3 0x14200 bored softnet 20627 421827 0 0 3 0x14200 bored systqmp 19623 256327 0 0 3 0x14200 bored systq 33647 48226 0 0 3 0x40014200 bored softclock 77060 281375 0 0 3 0x40014200 idle0 12597 2021 0 0 3 0x14200 bored smr 1 487221 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 9479 7037K 7499K 78643K 11114 0 pcb 13 8K 8K 78643K 55 0 rtable 104 3K 4K 78643K 259 0 ifaddr 55 11K 12K 78643K 86 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 22 0 iov 0 0K 16K 78643K 33 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1393 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 6 0 VM map 3 0K 0K 78643K 4 0 sem 12 0K 1K 78643K 24 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 189 0 proc 43 30K 63K 78643K 426 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 12 0 in_multi 29 1K 2K 78643K 50 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 218 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 102 21K 22K 78643K 1313 0 UVM aobj 16 4K 4K 78643K 16 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 18 0 NDP 9 0K 0K 78643K 21 0 temp 112 3560K 4194K 78643K 16879 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 35 0 35 1 0 1 1 0 8 1 rtentry 112 59 0 17 2 0 2 2 0 8 0 unpcb 120 99 0 93 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 217 0 217 1 1 0 1 0 8 0 tcpcb 640 38 0 34 1 0 1 1 0 8 0 ipq 40 5 0 5 2 1 1 1 0 8 1 ipqe 40 141 0 141 2 1 1 1 0 8 1 inpcb 280 376 0 372 2 0 2 2 0 8 1 nd6 48 7 0 4 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 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 256 280 0 82 14 0 14 14 0 8 0 art_table 32 281 0 82 2 0 2 2 0 8 0 art_node 16 58 0 19 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 12 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 14 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1640 0 243 46 0 46 46 0 8 0 ffsino 240 1640 0 243 83 0 83 83 0 8 0 nchpl 144 2138 0 543 60 0 60 60 0 8 0 uvmvnodes 72 1821 0 0 34 0 34 34 0 8 0 vnodes 208 1821 0 0 96 0 96 96 0 8 0 namei 1024 5673 0 5673 1 0 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scxspl 208 6007 0 6007 8 4 4 7 0 8 4 plimitpl 152 33 0 27 1 0 1 1 0 8 0 sigapl 432 356 0 345 2 0 2 2 0 8 0 futexpl 56 4668 0 4668 1 0 1 1 0 8 1 knotepl 112 99 0 80 1 0 1 1 0 8 0 kqueuepl 104 36 0 34 1 0 1 1 0 8 0 pipepl 128 202 0 183 1 0 1 1 0 8 0 fdescpl 424 357 0 345 2 0 2 2 0 8 0 filepl 120 2466 0 2380 4 0 4 4 0 8 1 lockfpl 104 227 0 227 1 0 1 1 0 8 1 lockfspl 48 27 0 27 1 0 1 1 0 8 1 sessionpl 128 18 0 10 1 0 1 1 0 8 0 pgrppl 48 18 0 10 1 0 1 1 0 8 0 ucredpl 96 219 0 213 1 0 1 1 0 8 0 zombiepl 144 345 0 344 1 0 1 1 0 8 0 processpl 896 372 0 344 4 0 4 4 0 8 0 procpl 648 574 0 538 4 0 4 4 0 8 0 sosppl 144 2 0 2 1 0 1 1 0 8 1 sockpl 384 514 0 504 4 1 3 4 0 8 1 mcl64k 65536 268 0 268 33 15 18 33 0 8 18 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 10 0 10 1 0 1 1 0 8 1 mcl9k 9216 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 1 0 1 1 0 8 1 mcl4k 4096 35 0 35 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 69886 0 69851 18 12 6 14 0 8 1 mtagpl 80 31 0 12 2 1 1 1 0 8 0 mbufpl 256 113173 0 113060 32 14 18 21 0 8 8 bufpl 280 6666 0 1776 350 0 350 350 0 8 0 anonpl 16 57223 0 40417 93 5 88 93 0 62 8 amapchunkpl 152 1937 0 1796 14 3 11 11 0 158 5 amappl16 192 2147 0 1023 65 8 57 65 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 52 0 46 1 0 1 1 0 8 0 amappl13 168 24 0 22 1 0 1 1 0 8 0 amappl12 160 82 0 80 2 1 1 1 0 8 0 amappl11 152 53 0 48 1 0 1 1 0 8 0 amappl10 144 20 0 17 1 0 1 1 0 8 0 amappl9 136 622 0 618 1 0 1 1 0 8 0 amappl8 128 206 0 179 1 0 1 1 0 8 0 amappl7 120 39 0 35 1 0 1 1 0 8 0 amappl6 112 57 0 48 1 0 1 1 0 8 0 amappl5 104 214 0 207 1 0 1 1 0 8 0 amappl4 96 569 0 543 1 0 1 1 0 8 0 amappl3 88 128 0 123 1 0 1 1 0 8 0 amappl2 80 2018 0 1958 3 1 2 3 0 8 0 amappl1 72 16055 0 15681 25 16 9 20 0 8 0 amappl 80 823 0 783 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 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 15 0 0 1 0 1 1 0 8 0 uaddrrnd 24 359 0 345 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 359 0 345 1 0 1 1 0 8 0 vmmpekpl 168 6622 0 6600 2 0 2 2 0 8 0 vmmpepl 168 51391 0 49288 150 14 136 136 0 357 41 vmsppl 272 356 0 345 2 1 1 2 0 8 0 pdppl 4096 724 0 692 6 1 5 6 0 8 0 pvpl 32 173535 0 153759 215 5 210 215 0 265 27 pmappl 200 358 0 346 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 199 0 46 6 0 6 6 0 8 0