uvm_fault(0xffffffff82513c48, 0xffff800000aa2000, 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, 0xffff800000aa2000, 0, 1) -> e uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800016561e18,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800016561e18,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800016561e50, count: 0 ddb> trace uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800016561e18,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa1f00,0,80000000,ffff800016561e18,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_map_deallocate(ffff800000aa1f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4242 vm_impl_init_vmx(ffff800016565450,ffff800014916cc0) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a9e800,ffff800014916cc0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a9e800,ffff800014916cc0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd8037841680,c5005601,ffff800000a9e800,1,fffffd803f7c6720,ffff800014916cc0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802b3d4270,c5005601,ffff800000a9e800,ffff800014916cc0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800014916cc0,ffff8000165621f8,ffff800016562240) at sys_ioctl+0x5b9 syscall(ffff8000165622c0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1e44a8b55d0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800016561e00 rbx 0 rdx 0x16c4 __ALIGN_SIZE+0x6c4 rcx 0xffff800015545000 rax 0xffff800000aa1f00 r8 0x1 r9 0 r10 0x1ea2d402c02f9a5c r11 0x641d8a317bbe7612 r12 0 r13 0xfffffd802d5677e8 r14 0 r15 0xffff800000aa1f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800016561d50 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=220871 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800014917968,0xffffffff825b8d60 process=0xffff8000ffff7510 user=0xffff80001655d000, vmspace=0xfffffd803f012ee0 estcpu=36, cpticks=4, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 26577 261221 53737 0 2 0 syz-executor.0 *26577 220871 53737 0 7 0x4000000 syz-executor.0 13716 89195 0 0 3 0x14200 bored sosplice 53737 112628 85320 0 3 0x82 nanosleep syz-executor.0 3199 82966 85320 0 2 0x2 syz-executor.1 85320 419510 69849 0 3 0x82 thrsleep syz-fuzzer 85320 408717 69849 0 3 0x4000082 thrsleep syz-fuzzer 85320 268404 69849 0 3 0x4000082 thrsleep syz-fuzzer 85320 196159 69849 0 3 0x4000082 thrsleep syz-fuzzer 85320 82763 69849 0 3 0x4000082 thrsleep syz-fuzzer 85320 285307 69849 0 3 0x4000082 kqread syz-fuzzer 85320 341715 69849 0 3 0x4000082 thrsleep syz-fuzzer 69849 494309 18303 0 3 0x10008a pause ksh 18303 346222 44333 0 3 0x92 select sshd 99432 341624 1 0 3 0x100083 ttyin getty 44333 334379 1 0 3 0x80 select sshd 26874 24409 74722 73 2 0x100010 syslogd 74722 97038 1 0 3 0x100082 netio syslogd 33678 226350 1 77 3 0x100090 poll dhclient 70224 130179 1 0 3 0x80 poll dhclient 47256 238959 0 0 2 0x14200 zerothread 43049 318799 0 0 3 0x14200 aiodoned aiodoned 77358 156786 0 0 3 0x14200 syncer update 74605 153596 0 0 3 0x14200 cleaner cleaner 7447 143981 0 0 3 0x14200 reaper reaper 59369 501575 0 0 3 0x14200 pgdaemon pagedaemon 47303 343330 0 0 3 0x14200 bored crynlk 42218 207594 0 0 3 0x14200 bored crypto 59750 74732 0 0 3 0x40014200 acpi0 acpi0 29717 471204 0 0 3 0x14200 bored softnet 18778 472658 0 0 3 0x14200 bored systqmp 58677 524238 0 0 3 0x14200 bored systq 65962 24009 0 0 3 0x40014200 bored softclock 67679 523331 0 0 3 0x40014200 idle0 72390 368283 0 0 3 0x14200 bored smr 1 300085 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 9478 6335K 6719K 78643K 10789 0 pcb 13 8K 8K 78643K 43 0 rtable 101 2K 3K 78643K 227 0 ifaddr 57 12K 12K 78643K 70 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 50 0 iov 0 0K 16K 78643K 9 0 mount 1 1K 1K 78643K 1 0 vnodes 1214 76K 77K 78643K 1280 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 5 1K 1K 78643K 36 0 sem 12 0K 1K 78643K 20 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 105 0 sigio 0 0K 0K 78643K 2 0 proc 47 38K 54K 78643K 358 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 3 0 in_multi 36 2K 2K 78643K 51 0 ether_multi 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 36 159K 159K 78643K 36 0 exec 0 0K 1K 78643K 187 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 97 21K 35K 78643K 1158 0 UVM aobj 7 2K 2K 78643K 7 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 2 0K 0K 78643K 43 0 NDP 9 0K 0K 78643K 16 0 temp 113 3556K 3622K 78643K 4422 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 6 0 0 1 0 1 1 0 8 0 rtpcb 96 32 0 30 1 0 1 1 0 8 0 rtentry 112 49 0 7 2 0 2 2 0 8 0 unpcb 120 87 0 79 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 180 0 180 1 1 0 1 0 8 0 tcpcb 640 60 0 56 1 0 1 1 0 8 0 inpcb 280 152 0 144 2 0 2 2 0 8 1 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 3 0 3 1 0 1 1 0 8 1 nd6 48 5 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 237 0 39 14 0 14 14 0 8 0 art_table 32 238 0 39 2 0 2 2 0 8 0 art_node 16 48 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 61 0 21 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1542 0 142 46 0 46 46 0 8 0 ffsino 240 1542 0 142 83 0 83 83 0 8 0 nchpl 144 1873 0 262 60 0 60 60 0 8 0 uvmvnodes 72 1631 0 0 30 0 30 30 0 8 0 vnodes 208 1631 0 0 86 0 86 86 0 8 0 namei 1024 4651 0 4650 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 520 34 0 31 1 0 1 1 0 8 0 scxspl 208 5307 0 5307 8 7 1 7 0 8 1 plimitpl 152 19 0 12 1 0 1 1 0 8 0 sigapl 432 275 0 262 2 0 2 2 0 8 0 futexpl 56 2250 0 2250 1 0 1 1 0 8 1 knotepl 112 63 0 44 1 0 1 1 0 8 0 kqueuepl 104 14 0 12 1 0 1 1 0 8 0 pipepl 128 180 0 159 1 0 1 1 0 8 0 fdescpl 424 276 0 262 2 0 2 2 0 8 0 filepl 120 1598 0 1495 4 0 4 4 0 8 0 lockfpl 104 39 0 38 1 0 1 1 0 8 0 lockfspl 48 16 0 15 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 80 0 73 1 0 1 1 0 8 0 zombiepl 144 262 0 262 1 0 1 1 0 8 1 processpl 896 291 0 262 4 0 4 4 0 8 0 procpl 648 468 0 432 5 0 5 5 0 8 1 sosppl 144 2 0 2 1 0 1 1 0 8 1 sockpl 384 271 0 253 4 1 3 4 0 8 1 mcl64k 65536 265 0 265 32 5 27 32 0 8 27 mcl16k 16384 2 0 2 2 1 1 1 0 8 1 mcl12k 12288 6 0 6 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 4 0 4 2 1 1 1 0 8 1 mcl4k 4096 13 0 13 3 2 1 1 0 8 1 mcl2k 2048 70439 0 70409 20 13 7 17 0 8 2 mtagpl 80 11 0 2 2 1 1 1 0 8 0 mbufpl 256 112458 0 112339 24 6 18 23 0 8 8 bufpl 280 7449 0 1466 428 0 428 428 0 8 0 anonpl 16 59568 0 39561 99 1 98 98 0 62 16 amapchunkpl 152 1874 0 1721 19 3 16 16 0 158 9 amappl16 192 1966 0 862 68 5 63 66 0 8 7 amappl14 176 54 0 47 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 19 0 17 1 0 1 1 0 8 0 amappl11 152 48 0 37 1 0 1 1 0 8 0 amappl10 144 44 0 41 1 0 1 1 0 8 0 amappl9 136 595 0 590 1 0 1 1 0 8 0 amappl8 128 183 0 158 1 0 1 1 0 8 0 amappl7 120 68 0 65 1 0 1 1 0 8 0 amappl6 112 57 0 49 1 0 1 1 0 8 0 amappl5 104 143 0 132 1 0 1 1 0 8 0 amappl4 96 487 0 459 1 0 1 1 0 8 0 amappl3 88 118 0 111 1 0 1 1 0 8 0 amappl2 80 1384 0 1316 3 1 2 3 0 8 0 amappl1 72 14465 0 14061 27 18 9 20 0 8 0 amappl 80 710 0 666 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 310 0 262 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 310 0 262 1 0 1 1 0 8 0 vmmpekpl 168 6295 0 6267 2 0 2 2 0 8 0 vmmpepl 168 41670 0 39479 137 13 124 130 0 357 25 vmsppl 272 275 0 262 2 1 1 2 0 8 0 pdppl 4096 626 0 588 6 0 6 6 0 8 1 pvpl 32 188798 0 166140 288 0 288 288 0 265 104 pmappl 200 309 0 293 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 195 0 31 6 0 6 6 0 8 0