R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffc8be11fb0 R14: 00007ffc8be11f70 R15: 0000000000000008 </TASK> hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5079 at fs/hfs/bnode.c:422 hfs_bnode_create+0x3b1/0x440 fs/hfs/bnode.c:421 Modules linked in: CPU: 1 PID: 5079 Comm: syz-executor247 Not tainted 6.3.0-rc3-syzkaller-00029-g9fd6ba5420ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:hfs_bnode_create+0x3b1/0x440 fs/hfs/bnode.c:422 Code: 8a 44 89 e6 e8 d0 3d 3e 08 e9 7c fd ff ff e8 e6 6d 2a ff 4c 89 ff e8 fe 22 4a 08 48 c7 c7 e0 8e ff 8a 44 89 e6 e8 af 3d 3e 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:ffffc90003aeef98 EFLAGS: 00010246 RAX: 000000000000001f RBX: ffff88801f1d0b00 RCX: 49aae03f34d4b700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff816dfe9c R09: fffff5200075dd6d R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88807b3aa000 R15: ffff88807b3aa0e0 FS: 0000555556446300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555644f628 CR3: 0000000024040000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> hfs_bmap_alloc+0x5a6/0x640 fs/hfs/btree.c:291 hfs_btree_inc_height+0x11e/0xd20 fs/hfs/brec.c:471 hfs_brec_insert+0x723/0xbd0 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+0x344/0x1440 fs/hfs/extent.c:401 hfs_get_block+0x3e4/0xb60 fs/hfs/extent.c:353 __block_write_begin_int+0x548/0x1a50 fs/buffer.c:2034 __block_write_begin fs/buffer.c:2084 [inline] block_write_begin+0x9c/0x1f0 fs/buffer.c:2145 cont_write_begin+0x643/0x880 fs/buffer.c:2504 hfs_write_begin+0x8a/0xd0 fs/hfs/inode.c:58 generic_perform_write+0x300/0x5e0 mm/filemap.c:3926 __generic_file_write_iter+0x17a/0x400 mm/filemap.c:4054 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4086 call_write_iter include/linux/fs.h:1851 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7b2/0xbb0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f625a205289 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 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:00007ffc8be11f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f625a205289 RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 RBP: 00007ffc8be11f50 R08: 0000000000000002 R09: 00007ffc8be11f60 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffc8be11fb0 R14: 00007ffc8be11f70 R15: 0000000000000008 </TASK>