general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 18153 Comm: modprobe Not tainted 5.9.0-rc2-next-20200828-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:map_vdso_randomized+0x2c/0x160 arch/x86/entry/vdso/vma.c:364 Code: 00 00 00 00 00 fc ff df 41 54 49 89 fc 48 83 c7 08 48 89 fa 55 48 c1 ea 03 53 48 83 ec 08 77 00 70 07 77 00 70 07 77 00 70 07 <00> 00 00 00 77 00 70 07 00 77 00 00 77 00 70 07 00 00 00 00 77 77 RSP: 0018:ffffc90006797c00 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffff88809ac8e478 RCX: 1ffffffff15786a9 RDX: 1ffffffff1080a65 RSI: 0000000000000001 RDI: ffffffff88405328 RBP: ffff88809f000540 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000160 R12: ffffffff88405320 R13: ffff888095004550 R14: 00007ff7eb337c20 R15: ffff8880a82ca000 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff7eb55bfc0 CR3: 000000009751e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: load_elf_binary+0x24d8/0x4a00 fs/binfmt_elf.c:1246 search_binary_handler fs/exec.c:1819 [inline] exec_binprm fs/exec.c:1860 [inline] bprm_execve+0x936/0x1b10 fs/exec.c:1931 kernel_execve+0x370/0x460 fs/exec.c:2080 call_usermodehelper_exec_async+0x27a/0x500 kernel/umh.c:101 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace 20ccb89f0b5e71c5 ]--- RIP: 0010:map_vdso_randomized+0x2c/0x160 arch/x86/entry/vdso/vma.c:364 Code: 00 00 00 00 00 fc ff df 41 54 49 89 fc 48 83 c7 08 48 89 fa 55 48 c1 ea 03 53 48 83 ec 08 77 00 70 07 77 00 70 07 77 00 70 07 <00> 00 00 00 77 00 70 07 00 77 00 00 77 00 70 07 00 00 00 00 77 77 RSP: 0018:ffffc90006797c00 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffff88809ac8e478 RCX: 1ffffffff15786a9 RDX: 1ffffffff1080a65 RSI: 0000000000000001 RDI: ffffffff88405328 RBP: ffff88809f000540 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000160 R12: ffffffff88405320 R13: ffff888095004550 R14: 00007ff7eb337c20 R15: ffff8880a82ca000