uvm_fault(0xffffffff82512c50, 0xffff800000ab7000, 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, 0xffff800000ab7000, 0, 1) -> e uvm_unmap_remove(ffff800000ab6f00,0,1ef000,ffff800016b4a670,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ab6f00,0,1ef000,ffff800016b4a670,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800016b4a720, count: 0 ddb> trace uvm_unmap_remove(ffff800000ab6f00,0,1ef000,ffff800016b4a670,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ab6f00,0,1ef000,ffff800016b4a670,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000ab6f00,0,7,fffffd803f012dd0,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800014893a68,ffff800014916528) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a8e800,ffff800014916528) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a8e800,ffff800014916528) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803614a410,c5005601,ffff800000a8e800,1,fffffd803f7c6780,ffff800014916528) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d2c3d30,c5005601,ffff800000a8e800,ffff800014916528) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800014916528,ffff800016b4aac8,ffff800016b4ab10) at sys_ioctl+0x5b9 syscall(ffff800016b4ab90) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x33a10908a70, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800016b4a640 rbx 0 rdx 0x2a02 __ALIGN_SIZE+0x1a02 rcx 0xffff800016b4b000 rax 0xffff800000ab6f00 r8 0 r9 0x1 r10 0xec1d442341662142 r11 0x13019b9dea2e8a5a r12 0 r13 0xfffffd802d2fd648 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000ab6f00 rip 0xffffffff81fdb9fb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800016b4a590 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=495233 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800014917bf0,0xffffffff825b2828 process=0xffff8000ffff6390 user=0xffff800016b45000, vmspace=0xfffffd803f012dd0 estcpu=36, cpticks=49, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 86599 334274 8011 0 2 0 syz-executor.0 *86599 495233 8011 0 7 0x4000000 syz-executor.0 99873 383458 0 0 3 0x14200 acct acct 8011 208986 89532 0 2 0x482 syz-executor.0 35347 485596 89532 0 3 0x82 nanosleep syz-executor.1 89532 487842 47039 0 3 0x82 thrsleep syz-fuzzer 89532 467486 47039 0 3 0x4000082 thrsleep syz-fuzzer 89532 67248 47039 0 3 0x4000082 kqread syz-fuzzer 89532 336091 47039 0 3 0x4000082 thrsleep syz-fuzzer 89532 23183 47039 0 3 0x4000082 thrsleep syz-fuzzer 89532 245056 47039 0 3 0x4000082 thrsleep syz-fuzzer 89532 469251 47039 0 3 0x4000082 thrsleep syz-fuzzer 47039 195430 83492 0 3 0x10008a pause ksh 83492 300125 38796 0 3 0x92 select sshd 73910 458118 1 0 3 0x100083 ttyin getty 38796 20900 1 0 3 0x80 select sshd 96477 390296 48806 73 3 0x100090 kqread syslogd 48806 365656 1 0 3 0x100082 netio syslogd 38720 203590 1 77 3 0x100090 poll dhclient 27897 79950 1 0 3 0x80 poll dhclient 33614 142101 0 0 2 0x14200 zerothread 23051 248242 0 0 3 0x14200 aiodoned aiodoned 71203 456418 0 0 3 0x14200 syncer update 23597 88112 0 0 3 0x14200 cleaner cleaner 13941 116173 0 0 3 0x14200 reaper reaper 5243 313624 0 0 3 0x14200 pgdaemon pagedaemon 67888 186559 0 0 3 0x14200 bored crynlk 56595 310792 0 0 3 0x14200 bored crypto 81246 364166 0 0 3 0x40014200 acpi0 acpi0 62126 109377 0 0 3 0x14200 bored softnet 7094 373409 0 0 3 0x14200 bored systqmp 3012 332012 0 0 3 0x14200 bored systq 87131 175946 0 0 2 0x40014200 softclock 43782 420283 0 0 3 0x40014200 idle0 62881 141256 0 0 3 0x14200 bored smr 1 523386 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 9492 6467K 6849K 78643K 11277 0 pcb 13 8K 8K 78643K 57 0 rtable 110 3K 4K 78643K 253 0 ifaddr 70 14K 14K 78643K 98 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 25 0 iov 0 0K 16K 78643K 35 0 mount 1 1K 1K 78643K 1 0 vnodes 1227 77K 77K 78643K 1503 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 3 0K 0K 78643K 3 0 sem 12 0K 0K 78643K 29 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 157 0 sigio 0 0K 0K 78643K 2 0 proc 48 38K 54K 78643K 372 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 22 0 in_multi 65 3K 3K 78643K 65 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 42 185K 185K 78643K 42 0 exec 0 0K 1K 78643K 189 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 111 22K 23K 78643K 1329 0 UVM aobj 13 2K 3K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 38 0 NDP 10 0K 0K 78643K 19 0 temp 118 3556K 3620K 78643K 3774 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 33 0 31 1 0 1 1 0 8 0 rtentry 112 52 0 7 2 0 2 2 0 8 0 unpcb 120 85 0 77 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 297 0 297 1 1 0 1 0 8 0 tcpcb 640 169 0 165 3 1 2 2 0 8 1 inpcb 280 290 0 283 2 0 2 2 0 8 1 nd6 48 5 0 0 1 0 1 1 0 8 0 ppxss 1128 5 0 5 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 222 0 6 14 0 14 14 0 8 0 art_table 32 223 0 6 2 0 2 2 0 8 0 art_node 16 51 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 69 0 29 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 27 0 17 1 0 1 1 0 8 0 shmpl 112 15 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1636 0 242 46 0 46 46 0 8 0 ffsino 240 1636 0 242 83 0 83 83 0 8 0 nchpl 144 2053 0 444 60 0 60 60 0 8 0 uvmvnodes 72 1928 0 0 36 0 36 36 0 8 0 vnodes 208 1928 0 0 102 0 102 102 0 8 0 namei 1024 5406 0 5406 1 0 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scxspl 208 6453 0 6453 10 7 3 7 0 8 3 plimitpl 152 18 0 11 1 0 1 1 0 8 0 sigapl 432 327 0 314 2 0 2 2 0 8 0 futexpl 56 4448 0 4448 1 0 1 1 0 8 1 knotepl 112 64 0 45 1 0 1 1 0 8 0 kqueuepl 104 23 0 20 1 0 1 1 0 8 0 pipepl 128 188 0 169 1 0 1 1 0 8 0 fdescpl 424 328 0 314 2 0 2 2 0 8 0 filepl 120 2188 0 2091 4 0 4 4 0 8 1 lockfpl 104 137 0 136 1 0 1 1 0 8 0 lockfspl 48 62 0 61 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 133 0 126 1 0 1 1 0 8 0 zombiepl 144 314 0 313 1 0 1 1 0 8 0 processpl 896 343 0 313 4 0 4 4 0 8 0 procpl 648 628 0 591 5 0 5 5 0 8 1 sockpl 384 409 0 392 5 1 4 4 0 8 2 mcl64k 65536 63 0 63 4 3 1 4 0 8 1 mcl12k 12288 6 0 6 3 2 1 1 0 8 1 mcl9k 9216 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 12 0 12 1 0 1 1 0 8 1 mcl4k 4096 18 0 18 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 2 2 0 1 0 8 0 mcl2k 2048 69942 0 69912 20 15 5 16 0 8 0 mtagpl 80 9 0 2 2 1 1 1 0 8 0 mbufpl 256 115170 0 115052 35 17 18 31 0 8 7 bufpl 280 6513 0 1666 347 0 347 347 0 8 0 anonpl 16 60662 0 36537 104 6 98 98 0 62 1 amapchunkpl 152 1805 0 1639 14 2 12 12 0 158 5 amappl16 192 2237 0 860 78 9 69 69 0 8 0 amappl15 184 124 0 122 1 0 1 1 0 8 0 amappl14 176 47 0 40 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 10 0 9 2 1 1 1 0 8 0 amappl11 152 106 0 93 1 0 1 1 0 8 0 amappl10 144 9 0 6 1 0 1 1 0 8 0 amappl9 136 562 0 558 1 0 1 1 0 8 0 amappl8 128 146 0 122 1 0 1 1 0 8 0 amappl7 120 34 0 30 1 0 1 1 0 8 0 amappl6 112 114 0 106 1 0 1 1 0 8 0 amappl5 104 135 0 125 1 0 1 1 0 8 0 amappl4 96 537 0 508 1 0 1 1 0 8 0 amappl3 88 119 0 113 1 0 1 1 0 8 0 amappl2 80 1894 0 1827 3 1 2 3 0 8 0 amappl1 72 15780 0 15370 27 18 9 20 0 8 0 amappl 80 866 0 821 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 16 0 4 1 0 1 1 0 8 0 uaddrrnd 24 329 0 314 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 329 0 314 1 0 1 1 0 8 0 vmmpekpl 168 6644 0 6616 2 0 2 2 0 8 0 vmmpepl 168 48933 0 46464 141 22 119 134 0 357 11 vmsppl 272 327 0 314 2 1 1 2 0 8 0 pdppl 4096 664 0 628 6 1 5 6 0 8 0 pvpl 32 181124 0 153473 229 5 224 225 0 265 0 pmappl 200 328 0 314 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 174 0 40 5 0 5 5 0 8 0