loop0: detected capacity change from 0 to 64 syz.0.311: attempt to access beyond end of device loop0: rw=2049, sector=268435468, nr_sectors = 2 limit=64 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7591 at fs/inode.c:474 inc_nlink+0x122/0x150 fs/inode.c:474 Modules linked in: CPU: 1 UID: 0 PID: 7591 Comm: syz.0.311 Not tainted 6.15.0-next-20250606-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:474 Code: e8 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 c9 26 e8 ff e9 3f ff ff ff e8 0f af 84 ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff RSP: 0018:ffffc90003b5fd40 EFLAGS: 00010283 RAX: ffffffff823bafd1 RBX: ffff88806dc65060 RCX: 0000000000080000 RDX: ffffc9000c119000 RSI: 00000000000005f6 RDI: 00000000000005f7 RBP: 0000000000000000 R08: ffffffff8fa126f7 R09: 1ffffffff1f424de R10: dffffc0000000000 R11: fffffbfff1f424df R12: dffffc0000000000 R13: 1ffff1100db8ca0c R14: ffff88806dc65018 R15: ffff88806dc650e8 FS: 00007f00d4a6d6c0(0000) GS:ffff888125d4d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555561d31608 CR3: 0000000078cbc000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_inc_link_count include/linux/fs.h:2624 [inline] minix_mkdir+0x44/0x120 fs/minix/namei.c:117 vfs_mkdir+0x303/0x510 fs/namei.c:4366 do_mkdirat+0x247/0x590 fs/namei.c:4399 __do_sys_mkdir fs/namei.c:4421 [inline] __se_sys_mkdir fs/namei.c:4419 [inline] __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4419 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f00d3b8e929 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f00d4a6d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f00d3db5fa0 RCX: 00007f00d3b8e929 RDX: 0000000000000000 RSI: 0000000000000163 RDI: 0000200000000340 RBP: 00007f00d3c10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f00d3db5fa0 R15: 00007fff4375e2f8