general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 25928 Comm: udevd Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_last fs/namei.c:3336 [inline] RIP: 0010:path_openat+0x281/0x3460 fs/namei.c:3607 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 76 29 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 58 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 28 RSP: 0018:ffffc90017ecf7d0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81c29329 RDX: 0000000000000000 RSI: ffffffff81c29336 RDI: 0000000000000004 RBP: ffffc90017ecf920 R08: ffff88804a156140 R09: ffffed10123e531d R10: ffffed10123e531c R11: ffff888091f298e0 R12: ffff888091f29880 R13: ffff88804a156140 R14: ffffc90017ecfb48 R15: ffffc90017ecf960 FS: 00007f00835c67a0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000003ba88 CR3: 000000009426d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_filp_open+0x192/0x260 fs/namei.c:3637 do_open_execat+0x137/0x690 fs/exec.c:856 open_exec+0x47/0x80 fs/exec.c:888 load_elf_binary+0x60a/0x5310 fs/binfmt_elf.c:759 search_binary_handler fs/exec.c:1658 [inline] search_binary_handler+0x16d/0x570 fs/exec.c:1635 exec_binprm fs/exec.c:1701 [inline] __do_execve_file.isra.0+0x1329/0x22b0 fs/exec.c:1821 do_execveat_common fs/exec.c:1867 [inline] do_execve fs/exec.c:1884 [inline] __do_sys_execve fs/exec.c:1960 [inline] __se_sys_execve fs/exec.c:1955 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1955 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0082caa207 Code: 77 19 f4 48 89 d7 44 89 c0 0f 05 48 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 f7 d8 64 41 89 01 eb df b8 3b 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 f3 c3 48 8b 15 00 8c 2d 00 f7 d8 64 89 02 RSP: 002b:00007ffd7f4bfc98 EFLAGS: 00000202 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f0082caa207 RDX: 0000000001c37c30 RSI: 00007ffd7f4bfd90 RDI: 00007ffd7f4c0da0 RBP: 0000000000625500 R08: 000000000000274f R09: 000000000000274f R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001c37c30 R13: 0000000000000007 R14: 0000000001c33250 R15: 0000000000000005 Modules linked in: ---[ end trace 11ff71fdd1130d5b ]--- RIP: 0010:do_last fs/namei.c:3336 [inline] RIP: 0010:path_openat+0x281/0x3460 fs/namei.c:3607 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 76 29 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c 24 58 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 28 RSP: 0018:ffffc90017ecf7d0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81c29329 RDX: 0000000000000000 RSI: ffffffff81c29336 RDI: 0000000000000004 RBP: ffffc90017ecf920 R08: ffff88804a156140 R09: ffffed10123e531d R10: ffffed10123e531c R11: ffff888091f298e0 R12: ffff888091f29880 R13: ffff88804a156140 R14: ffffc90017ecfb48 R15: ffffc90017ecf960 FS: 00007f00835c67a0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000145e978 CR3: 000000009426d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400