general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 286 Comm: syz-executor290 Not tainted 5.10.209-syzkaller-00001-ge7daca75b4c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 3f ff 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 87 d6 7c ff 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 6a d6 7c ff 48 8b 1b 48 83 c3 0c
RSP: 0018:ffffc90000bc6f90 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88811ee8bb40
RDX: 0000000000000000 RSI: ffffc90000bc7400 RDI: ffffc90000bc73f0
RBP: ffffc90000bc6fb8 R08: dffffc0000000000 R09: ffffc90000bc73f0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000bc7400
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90000bc73f0
FS: 0000555556717480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011932e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vfs_getattr+0x26/0x70 fs/stat.c:129
ovl_copy_up_one fs/overlayfs/copy_up.c:882 [inline]
ovl_copy_up_flags+0x5af/0x2700 fs/overlayfs/copy_up.c:964
ovl_maybe_copy_up+0x15a/0x190 fs/overlayfs/copy_up.c:996
ovl_open+0xad/0x210 fs/overlayfs/file.c:156
do_dentry_open+0x7c1/0x10d0 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a7/0x650 fs/incfs/vfs.c:1450
do_dentry_open+0x7c1/0x10d0 fs/open.c:819
vfs_open+0x73/0x80 fs/open.c:942
do_open fs/namei.c:3397 [inline]
path_openat+0x2660/0x3000 fs/namei.c:3515
do_filp_open+0x21c/0x460 fs/namei.c:3542
do_sys_openat2+0x13f/0x6f0 fs/open.c:1217
do_sys_open fs/open.c:1233 [inline]
__do_sys_openat fs/open.c:1249 [inline]
__se_sys_openat fs/open.c:1244 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1244
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f3367ffa019
Code: 48 83 c4 28 c3 e8 67 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe3f58e9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ffe3f58e9e0 RCX: 00007f3367ffa019
RDX: 0000000000000002 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007ffe3f58e9e8 R08: 00007f3367fc70a0 R09: 00007f3367fc70a0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3f58ec48 R14: 0000000000000001 R15: 0000000000000001
Modules linked in:
---[ end trace 084dfe476fed37d8 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 3f ff 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 87 d6 7c ff 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 6a d6 7c ff 48 8b 1b 48 83 c3 0c
RSP: 0018:ffffc90000bc6f90 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: ffff88811ee8bb40
RDX: 0000000000000000 RSI: ffffc90000bc7400 RDI: ffffc90000bc73f0
RBP: ffffc90000bc6fb8 R08: dffffc0000000000 R09: ffffc90000bc73f0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000bc7400
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90000bc73f0
FS: 0000555556717480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011932e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: ff 49 8d decl -0x73(%rcx)
3: 5f pop %rdi
4: 08 48 89 or %cl,-0x77(%rax)
7: d8 48 c1 fmuls -0x3f(%rax)
a: e8 03 42 80 3c call 0x3c804212
f: 28 00 sub %al,(%rax)
11: 74 08 je 0x1b
13: 48 89 df mov %rbx,%rdi
16: e8 87 d6 7c ff call 0xff7cd6a2
1b: 48 8b 1b mov (%rbx),%rbx
1e: 48 83 c3 30 add $0x30,%rbx
22: 48 89 d8 mov %rbx,%rax
25: 48 c1 e8 03 shr $0x3,%rax
* 29: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 48 89 df mov %rbx,%rdi
33: e8 6a d6 7c ff call 0xff7cd6a2
38: 48 8b 1b mov (%rbx),%rbx
3b: 48 83 c3 0c add $0xc,%rbx