loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512)
ntfs3: loop0: Mark volume as dirty due to NTFS errors
general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 3608 Comm: syz-executor344 Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:d_flags_for_inode+0x21b/0x2a0 fs/dcache.c:1980
Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 69 49 83 7c 24 08 00 75 34 e8 f2 63 9f ff 41 83 cd
RSP: 0018:ffffc90003bff8c8 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: ffff888074be70f0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff81dd26b2 RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000
R13: 0000000000000008 R14: ffff888074acc380 R15: 0000000000000000
FS: 00005555560af300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffea4ce8000 CR3: 000000001f763000 CR4: 0000000000350ee0
Call Trace:
<TASK>
__d_add fs/dcache.c:2787 [inline]
d_splice_alias+0x19c/0xd30 fs/dcache.c:3182
lookup_open.isra.0+0x76a/0x12a0 fs/namei.c:3391
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x996/0x2860 fs/namei.c:3710
do_filp_open+0x1b6/0x400 fs/namei.c:3740
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_open fs/open.c:1334 [inline]
__se_sys_open fs/open.c:1330 [inline]
__x64_sys_open+0x119/0x1c0 fs/open.c:1330
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f73f04faf79
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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffea4ce7648 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f73f04faf79
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f73f04ba740 R08: 00005555560af2c0 R09: 0000000000000000
R10: 00007ffea4ce7510 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000000 R14: 00030030454c4946 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:d_flags_for_inode+0x21b/0x2a0 fs/dcache.c:1980
Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 69 49 83 7c 24 08 00 75 34 e8 f2 63 9f ff 41 83 cd
RSP: 0018:ffffc90003bff8c8 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: ffff888074be70f0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff81dd26b2 RDI: 0000000000000008
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000
R13: 0000000000000008 R14: ffff888074acc380 R15: 0000000000000000
FS: 00005555560af300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffea4ce8000 CR3: 000000001f763000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
0: 89 fa mov %edi,%edx
2: 48 c1 ea 03 shr $0x3,%rdx
6: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
a: 0f 85 90 00 00 00 jne 0xa0
10: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
17: fc ff df
1a: 4c 8b 63 20 mov 0x20(%rbx),%r12
1e: 49 8d 7c 24 08 lea 0x8(%r12),%rdi
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 75 69 jne 0x99
30: 49 83 7c 24 08 00 cmpq $0x0,0x8(%r12)
36: 75 34 jne 0x6c
38: e8 f2 63 9f ff callq 0xff9f642f
3d: 41 rex.B
3e: 83 .byte 0x83
3f: cd .byte 0xcd