syz.5.382: attempt to access beyond end of device loop5: rw=2049, sector=268435468, nr_sectors = 2 limit=64 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8505 at fs/inode.c:474 inc_nlink+0x122/0x150 fs/inode.c:474 Modules linked in: CPU: 0 UID: 0 PID: 8505 Comm: syz.5.382 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:474 Code: ec 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 b9 64 ec ff e9 3f ff ff ff e8 0f a6 8a 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:ffffc9000497f480 EFLAGS: 00010283 RAX: ffffffff82340741 RBX: ffff888038e12308 RCX: 0000000000080000 RDX: ffffc90005461000 RSI: 0000000000002f8e RDI: 0000000000002f8f RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1dac84f R12: dffffc0000000000 R13: 1ffff110071c2461 R14: ffff888038e122c0 R15: ffff888038e123d0 FS: 00007f2c327fe6c0(0000) GS:ffff888126df7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000002000 CR3: 000000004d7e8000 CR4: 00000000003526f0 Call Trace: inode_inc_link_count include/linux/fs.h:2649 [inline] minix_mkdir+0x44/0x120 fs/minix/namei.c:117 vfs_mkdir+0x306/0x510 fs/namei.c:4453 ovl_do_mkdir fs/overlayfs/overlayfs.h:251 [inline] ovl_workdir_create+0x4c3/0x8b0 fs/overlayfs/super.c:340 ovl_make_workdir fs/overlayfs/super.c:679 [inline] ovl_get_workdir+0x32b/0x17b0 fs/overlayfs/super.c:837 ovl_fill_super+0x154a/0x3da0 fs/overlayfs/super.c:1468 vfs_get_super fs/super.c:1331 [inline] get_tree_nodev+0xbb/0x150 fs/super.c:1350 vfs_get_tree+0x92/0x2b0 fs/super.c:1758 fc_mount fs/namespace.c:1199 [inline] do_new_mount_fc fs/namespace.c:3642 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3718 do_mount fs/namespace.c:4041 [inline] __do_sys_mount fs/namespace.c:4229 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4206 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2c3459f749 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:00007f2c327fe038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2c347f5fa0 RCX: 00007f2c3459f749 RDX: 0000200000000200 RSI: 00002000000003c0 RDI: 0000000000000000 RBP: 00007f2c34623f91 R08: 0000200000001100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2c347f6038 R14: 00007f2c347f5fa0 R15: 00007fffbd61dba8