loop0: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3541 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x3ad/0x440 fs/hfsplus/bnode.c:572 Modules linked in: CPU: 1 PID: 3541 Comm: syz-executor366 Not tainted 6.1.31-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:hfsplus_bnode_create+0x3ad/0x440 fs/hfsplus/bnode.c:573 Code: 8b 44 89 e6 e8 ed 4e 23 08 e9 7c fd ff ff e8 3a 46 2c ff 4c 89 ff e8 02 22 2f 08 48 c7 c7 e0 18 02 8b 44 89 e6 e8 cc 4e 23 08 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 89 fc ff ff 48 89 RSP: 0018:ffffc900039fef78 EFLAGS: 00010246 RAX: 0000000000000023 RBX: ffff88801924c500 RCX: 63d8eae43edfa600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff816d9a9c R09: fffff5200073fda9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88807bd9e000 R15: ffff88807bd9e0e0 FS: 0000555555a3c300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000f000 CR3: 00000000733ee000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bmap_alloc+0x596/0x630 fs/hfsplus/btree.c:415 hfs_btree_inc_height+0x11a/0xdb0 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x162/0xdd0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x36b/0x5b0 fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xe00 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x435/0x1b10 fs/hfsplus/extents.c:461 hfsplus_get_block+0x402/0x14e0 fs/hfsplus/extents.c:245 __block_write_begin_int+0x544/0x1a30 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x1f0 fs/buffer.c:2102 cont_write_begin+0x63f/0x880 fs/buffer.c:2456 hfsplus_write_begin+0x86/0xd0 fs/hfsplus/inode.c:52 generic_perform_write+0x2fc/0x5e0 mm/filemap.c:3754 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3882 generic_file_write_iter+0xab/0x310 mm/filemap.c:3914 call_write_iter include/linux/fs.h:2205 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7ae/0xba0 fs/read_write.c:584 ksys_write+0x19c/0x2c0 fs/read_write.c:637 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+0x63/0xcd RIP: 0033:0x7f88af1967d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffec88fb058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88af1967d9 RDX: 0000000000029000 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f88af156070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000642 R11: 0000000000000246 R12: 00007f88af156100 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000