kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 20164 Comm: kworker/u4:4 Not tainted 5.4.16-syzkaller-01258-g4a192aa559b1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_last fs/namei.c:3369 [inline] RIP: 0010:path_openat+0x324/0x3c00 fs/namei.c:3646 Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 RSP: 0018:ffff88819a78f4a0 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88819a78f6c8 RDX: ffff8881c5b9c158 RSI: 0000000000000000 RDI: 0000000000000004 RBP: ffff88819a78f770 R08: ffffffff81782ec1 R09: 0000000000000003 R10: ffffed10334f1e47 R11: 0000000000000004 R12: ffff88819a78f7c8 R13: ffff8881c4cb5f00 R14: ffff88819a78f9d0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f21b74c000 CR3: 00000001d0775004 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_filp_open+0x1f7/0x430 fs/namei.c:3676 do_open_execat+0x178/0x860 fs/exec.c:857 open_exec+0x3d/0x60 fs/exec.c:889 load_elf_binary+0x1abd/0x3720 fs/binfmt_elf.c:756 search_binary_handler+0x190/0x5e0 fs/exec.c:1659 exec_binprm fs/exec.c:1702 [inline] __do_execve_file+0x12a2/0x1c00 fs/exec.c:1822 do_execveat_common fs/exec.c:1868 [inline] do_execve+0x33/0x40 fs/exec.c:1885 call_usermodehelper_exec_async+0x318/0x4c0 kernel/umh.c:112 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 02af7397040d61b0 ]--- RIP: 0010:do_last fs/namei.c:3369 [inline] RIP: 0010:path_openat+0x324/0x3c00 fs/namei.c:3646 Code: 48 89 84 24 00 01 00 00 42 80 3c 38 00 74 08 48 89 df e8 5f ac f8 ff 48 89 5c 24 38 48 8b 1b 48 8d 7b 04 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 4b 24 00 00 8b 43 04 89 84 24 08 01 00 00 RSP: 0018:ffff88819a78f4a0 EFLAGS: 00010247 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88819a78f6c8 RDX: ffff8881c5b9c158 RSI: 0000000000000000 RDI: 0000000000000004 RBP: ffff88819a78f770 R08: ffffffff81782ec1 R09: 0000000000000003 R10: ffffed10334f1e47 R11: 0000000000000004 R12: ffff88819a78f7c8 R13: ffff8881c4cb5f00 R14: ffff88819a78f9d0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001c359f8 CR3: 000000019e9fa002 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400