general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
CPU: 1 PID: 13004 Comm: syz-executor.3 Not tainted 5.8.0-rc5-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:549 [inline]
RIP: 0010:security_inode_getattr+0x46/0x140 security/security.c:1276
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 04 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 08 48 8d 7b 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d7 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffffc9001aa87ad0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000fb2c000
RDX: 000000000000000c RSI: ffffffff8354ee0e RDI: 0000000000000060
RBP: ffffc9001aa87b98 R08: 0000000000000000 R09: ffff888089f48217
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9001aa87b98 R14: 0000000000000400 R15: 0000000000000000
FS:  00007f6a30db6700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000741b94 CR3: 0000000201427000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_getattr+0x22/0x60 fs/stat.c:121
 ovl_getattr+0x80a/0xd20 fs/overlayfs/inode.c:245
 vfs_getattr_nosec+0x246/0x2e0 fs/stat.c:87
 vfs_getattr fs/stat.c:124 [inline]
 vfs_statx+0x199/0x390 fs/stat.c:206
 vfs_fstatat include/linux/fs.h:3308 [inline]
 __do_sys_newfstatat+0x96/0x120 fs/stat.c:388
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c1d9
Code: Bad RIP value.
RSP: 002b:00007f6a30db5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000001fdc0 RCX: 000000000045c1d9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 000000000078bfe8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac
R13: 00007ffc5ff0042f R14: 00007f6a30db69c0 R15: 000000000078bfac
Modules linked in:
---[ end trace 987c16bc61bf63eb ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:549 [inline]
RIP: 0010:security_inode_getattr+0x46/0x140 security/security.c:1276
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 04 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 08 48 8d 7b 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d7 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffffc9001aa87ad0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000fb2c000
RDX: 000000000000000c RSI: ffffffff8354ee0e RDI: 0000000000000060
RBP: ffffc9001aa87b98 R08: 0000000000000000 R09: ffff888089f48217
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9001aa87b98 R14: 0000000000000400 R15: 0000000000000000
FS:  00007f6a30db6700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559d316be007 CR3: 0000000201427000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400