overlayfs: fs on './bus' does not support file handles, falling back to index=off,nfs_export=off.
overlayfs: upperdir is in-use as upperdir/workdir of another mount, accessing files from both mounts will result in undefined behavior.
BUG: unable to handle page fault for address: fffffbfff4a15532
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffec067 P4D 23ffec067 PUD 23ffeb067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6861 Comm: syz.0.252 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ovl_iterate+0x1392/0x21a0
Code: 89 df e8 61 32 df fe 4c 8b 33 4c 8b 7c 24 10 49 83 c7 10 45 31 e4 4c 89 fb 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 30 32 df fe 48 8b 1b 4c 89 e7 4c 89
RSP: 0018:ffffc90003a179c0 EFLAGS: 00010a02
RAX: 1ffffffff4a15532 RBX: ffffffffa50aa990 RCX: dffffc0000000000
RDX: 0000000000000006 RSI: ffffffff8dfacd5d RDI: ffffffff8c28b660
RBP: ffffc90003a17d40 R08: ffffffff9030d3f7 R09: 1ffffffff2061a7e
R10: dffffc0000000000 R11: fffffbfff2061a7f R12: 0000000000000000
R13: ffff8881a50aa000 R14: 0000000000000000 R15: ffffffffa50aa990
FS:  00007f85ca6df6c0(0000) GS:ffff8882a9287000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff4a15532 CR3: 000000016e9f6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 wrap_directory_iterator+0x96/0xe0
 iterate_dir+0x399/0x570
 __se_sys_getdents+0xf1/0x270
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f85c979ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f85ca6df028 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f85c9a15fa0 RCX: 00007f85c979ce59
RDX: 00000000000000b8 RSI: 0000200000001fc0 RDI: 0000000000000006
RBP: 00007f85c9832d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f85c9a16038 R14: 00007f85c9a15fa0 R15: 00007ffc374bb288
 </TASK>
Modules linked in:
CR2: fffffbfff4a15532
---[ end trace 0000000000000000 ]---
RIP: 0010:ovl_iterate+0x1392/0x21a0
Code: 89 df e8 61 32 df fe 4c 8b 33 4c 8b 7c 24 10 49 83 c7 10 45 31 e4 4c 89 fb 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 30 32 df fe 48 8b 1b 4c 89 e7 4c 89
RSP: 0018:ffffc90003a179c0 EFLAGS: 00010a02
RAX: 1ffffffff4a15532 RBX: ffffffffa50aa990 RCX: dffffc0000000000
RDX: 0000000000000006 RSI: ffffffff8dfacd5d RDI: ffffffff8c28b660
RBP: ffffc90003a17d40 R08: ffffffff9030d3f7 R09: 1ffffffff2061a7e
R10: dffffc0000000000 R11: fffffbfff2061a7f R12: 0000000000000000
R13: ffff8881a50aa000 R14: 0000000000000000 R15: ffffffffa50aa990
FS:  00007f85ca6df6c0(0000) GS:ffff8882a9287000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff4a15532 CR3: 000000016e9f6000 CR4: 00000000000006f0
