------------[ cut here ]------------ WARNING: CPU: 1 PID: 9986 at fs/hfs/bnode.c:432 hfs_bnode_create+0x3dd/0x460 fs/hfs/bnode.c:431 Modules linked in: CPU: 1 PID: 9986 Comm: syz-executor.4 Not tainted 5.15.109-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:hfs_bnode_create+0x3dd/0x460 fs/hfs/bnode.c:432 Code: 8a 44 89 e6 e8 bd 67 d7 07 e9 4c fd ff ff e8 7a 43 3e ff 4c 89 ef e8 a2 e4 e1 07 48 c7 c7 c0 48 9f 8a 44 89 e6 e8 9c 67 d7 07 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 59 fc ff ff 48 89 RSP: 0018:ffffc9000780efb0 EFLAGS: 00010246 RAX: 000000000000001f RBX: ffff88801a065200 RCX: 03c9de24a1aeaf00 RDX: ffffc9000ce14000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000000 R08: ffffffff8166344c R09: ffffed10173667a0 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88801edda0e0 R14: ffff88801edda000 R15: dffffc0000000000 FS: 00007faf0c9da700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555704d848 CR3: 000000001b4df000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfs_bmap_alloc+0x64f/0x740 fs/hfs/btree.c:288 hfs_btree_inc_height+0x11a/0xd20 fs/hfs/brec.c:471 hfs_brec_insert+0x71f/0xbd0 fs/hfs/brec.c:148 __hfs_ext_write_extent+0x2f2/0x4f0 fs/hfs/extent.c:124 __hfs_ext_cache_extent+0x6a/0x990 fs/hfs/extent.c:174 hfs_ext_read_extent fs/hfs/extent.c:202 [inline] hfs_extend_file+0x340/0x1440 fs/hfs/extent.c:401 hfs_get_block+0x3e0/0xb60 fs/hfs/extent.c:353 __block_write_begin_int+0x60b/0x1650 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin fs/buffer.c:2122 [inline] cont_write_begin+0x5d6/0x840 fs/buffer.c:2471 hfs_write_begin+0x92/0xd0 fs/hfs/inode.c:59 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776 __generic_file_write_iter+0x243/0x4f0 mm/filemap.c:3903 generic_file_write_iter+0xa7/0x1b0 mm/filemap.c:3935 call_write_iter include/linux/fs.h:2103 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xacf/0xe50 fs/read_write.c:594 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7faf0e468169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faf0c9da168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007faf0e587f80 RCX: 00007faf0e468169 RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000005 RBP: 00007faf0c9da1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd2d8baebf R14: 00007faf0c9da300 R15: 0000000000022000