------------[ cut here ]------------ WARNING: fs/buffer.c:1125 at __getblk_slow fs/buffer.c:1125 [inline], CPU#1: syz.0.1145/11923 WARNING: fs/buffer.c:1125 at bdev_getblk+0x580/0x660 fs/buffer.c:1461, CPU#1: syz.0.1145/11923 Modules linked in: CPU: 1 UID: 0 PID: 11923 Comm: syz.0.1145 Not tainted 6.16.0-rc5-next-20250711-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__getblk_slow fs/buffer.c:1125 [inline] RIP: 0010:bdev_getblk+0x580/0x660 fs/buffer.c:1461 Code: 26 fb ff ff e8 e1 92 78 ff 48 c7 c7 e0 0e 9a 8b 48 c7 c6 78 9f a0 8d 4c 89 fa 4c 89 e9 e8 18 7a e0 fe eb bd e8 c1 92 78 ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 41 80 3c 07 00 74 08 48 89 RSP: 0018:ffffc900039a6450 EFLAGS: 00010283 RAX: ffffffff824724cf RBX: ffff888148d7c518 RCX: 0000000000080000 RDX: ffffc9000c56a000 RSI: 0000000000002e24 RDI: 0000000000002e25 RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff8217148d R10: 0000000000000406 R11: 0000000000000002 R12: 0000000000000200 R13: ffff888148d7c500 R14: 0000000000000200 R15: 1ffff110291af8a3 FS: 00007f437e9846c0(0000) GS:ffff888125cc6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000003e000 CR3: 0000000033856000 CR4: 00000000003526f0 Call Trace: __getblk include/linux/buffer_head.h:380 [inline] sb_getblk include/linux/buffer_head.h:386 [inline] ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:446 [inline] ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline] ocfs2_reserve_suballoc_bits+0x11b6/0x4640 fs/ocfs2/suballoc.c:834 ocfs2_reserve_new_metadata_blocks+0x403/0x940 fs/ocfs2/suballoc.c:984 ocfs2_expand_inline_dir fs/ocfs2/dir.c:2845 [inline] ocfs2_extend_dir+0xc76/0x4870 fs/ocfs2/dir.c:3207 ocfs2_prepare_dir_for_insert+0x2fe8/0x5450 fs/ocfs2/dir.c:4312 ocfs2_symlink+0xaa4/0x23e0 fs/ocfs2/namei.c:1875 vfs_symlink+0x143/0x2f0 fs/namei.c:4730 do_symlinkat+0x1b1/0x3f0 fs/namei.c:4756 __do_sys_symlink fs/namei.c:4777 [inline] __se_sys_symlink fs/namei.c:4775 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4775 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: 0033:0x7f437db8e929 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:00007f437e984038 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f437ddb5fa0 RCX: 00007f437db8e929 RDX: 0000000000000000 RSI: 0000200000000840 RDI: 0000200000000140 RBP: 00007f437dc10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f437ddb5fa0 R15: 00007fff18b69e18