general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
CPU: 1 PID: 12142 Comm: syz-executor.1 Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:d_backing_inode include/linux/dcache.h:552 [inline]
RIP: 0010:security_inode_getattr+0x42/0x140 security/security.c:1286
Code: dd fd 49 8d 5e 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 ec 7e 21 fe 48 8b 1b 48 83 c3 68 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 cf 7e 21 fe 48 8b 1b 48 83 c3 0c
RSP: 0018:ffffc90002397790 EFLAGS: 00010202
RAX: 000000000000000d RBX: 0000000000000068 RCX: 0000000000040000
RDX: ffffc9000ac93000 RSI: 0000000000001b24 RDI: 0000000000001b25
RBP: ffffc90002397868 R08: dffffc0000000000 R09: ffffc90002397868
R10: fffff52000472f0f R11: 0000000000000000 R12: ffffc90002397878
R13: dffffc0000000000 R14: ffffc90002397868 R15: dffffc0000000000
FS:  00007f1db369f700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3122f000 CR3: 000000005cdeb000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_getattr+0x21/0x60 fs/stat.c:131
 ovl_copy_up_one fs/overlayfs/copy_up.c:884 [inline]
 ovl_copy_up_flags+0x2ae/0xff0 fs/overlayfs/copy_up.c:965
 ovl_maybe_copy_up+0x154/0x180 fs/overlayfs/copy_up.c:997
 ovl_open+0xa2/0x200 fs/overlayfs/file.c:149
 do_dentry_open+0x7cb/0x1010 fs/open.c:826
 do_open fs/namei.c:3365 [inline]
 path_openat+0x27c9/0x3860 fs/namei.c:3498
 do_filp_open+0x191/0x3a0 fs/namei.c:3525
 file_open_name+0x17b/0x1a0 fs/open.c:1132
 acct_on kernel/acct.c:207 [inline]
 __do_sys_acct kernel/acct.c:286 [inline]
 __se_sys_acct+0x115/0x6f0 kernel/acct.c:273
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f69
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1db369f188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465f69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000440
RBP: 00000000004bfa8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 00007ffebe1cd7ef R14: 00007f1db369f300 R15: 0000000000022000
Modules linked in:
---[ end trace b1314db76c2675a8 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:552 [inline]
RIP: 0010:security_inode_getattr+0x42/0x140 security/security.c:1286
Code: dd fd 49 8d 5e 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 ec 7e 21 fe 48 8b 1b 48 83 c3 68 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 cf 7e 21 fe 48 8b 1b 48 83 c3 0c
RSP: 0018:ffffc90002397790 EFLAGS: 00010202
RAX: 000000000000000d RBX: 0000000000000068 RCX: 0000000000040000
RDX: ffffc9000ac93000 RSI: 0000000000001b24 RDI: 0000000000001b25
RBP: ffffc90002397868 R08: dffffc0000000000 R09: ffffc90002397868
R10: fffff52000472f0f R11: 0000000000000000 R12: ffffc90002397878
R13: dffffc0000000000 R14: ffffc90002397868 R15: dffffc0000000000
FS:  00007f1db369f700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f15e7d22000 CR3: 000000005cdeb000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400