------------[ cut here ]------------ WARNING: CPU: 0 PID: 7036 at fs/hfs/bnode.c:421 hfs_bnode_create.cold+0x1c/0x44 fs/hfs/bnode.c:420 Modules linked in: CPU: 1 PID: 7036 Comm: syz-executor.0 Not tainted 6.1.0-rc6-syzkaller-00176-g08ad43d554ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:hfs_bnode_create.cold+0x1c/0x44 fs/hfs/bnode.c:421 Code: 60 1d 66 8a e8 21 e3 fb ff e9 2c 0f 9a f8 e8 6e 64 d4 f7 4c 89 f7 e8 26 a2 44 00 44 89 ee 48 c7 c7 a0 1d 66 8a e8 00 e3 fb ff <0f> 0b e9 39 16 9a f8 e8 4b 64 d4 f7 44 89 ee 48 c7 c7 e0 1b 66 8a RSP: 0018:ffffc90006aaf360 EFLAGS: 00010282 RAX: 000000000000001f RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8165758c RDI: fffff52000d55e5e RBP: ffff88807e206000 R08: 000000000000001f R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffff8880775f7500 R13: 0000000000000000 R14: ffff88807e2060e0 R15: 0000000000000000 FS: 00007f3d6cfbd700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f54ed3821b8 CR3: 00000000209b5000 CR4: 0000000000350ee0 Call Trace: hfs_bmap_alloc+0x51b/0x5b0 fs/hfs/btree.c:291 hfs_btree_inc_height.isra.0+0xe6/0x950 fs/hfs/brec.c:471 hfs_brec_insert+0x851/0xbb0 fs/hfs/brec.c:148 __hfs_ext_write_extent+0x3ec/0x510 fs/hfs/extent.c:124 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x81c/0xa20 fs/hfs/extent.c:202 hfs_extend_file+0x4b5/0xae0 fs/hfs/extent.c:401 hfs_get_block+0x17f/0x820 fs/hfs/extent.c:353 __block_write_begin_int+0x3bd/0x14b0 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0xb9/0x4d0 fs/buffer.c:2102 cont_write_begin+0x534/0x740 fs/buffer.c:2456 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58 generic_perform_write+0x256/0x570 mm/filemap.c:3753 __generic_file_write_iter+0x2ae/0x4d0 mm/filemap.c:3881 generic_file_write_iter+0xe3/0x350 mm/filemap.c:3913 call_write_iter include/linux/fs.h:2191 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9ed/0xdd0 fs/read_write.c:584 ksys_write+0x12b/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3d6c28c0d9 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:00007f3d6cfbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3d6c3abf80 RCX: 00007f3d6c28c0d9 RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 RBP: 00007f3d6cfbd1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea2d77cf R14: 00007f3d6cfbd300 R15: 0000000000022000 irq event stamp: 6739 hardirqs last enabled at (6743): [] __down_trylock_console_sem+0x108/0x120 kernel/printk/printk.c:244 hardirqs last disabled at (6746): [] __down_trylock_console_sem+0xea/0x120 kernel/printk/printk.c:242 softirqs last enabled at (6532): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (6532): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (6521): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (6521): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfs/bnode.c:466! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7036 Comm: syz-executor.0 Tainted: G W 6.1.0-rc6-syzkaller-00176-g08ad43d554ba #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:hfs_bnode_put.part.0+0x220/0x280 fs/hfs/bnode.c:466 Code: 3a ff 48 89 ef e8 60 f8 ff ff 48 8b 3c 24 e8 a7 a1 aa 07 48 89 ef e8 ff 72 00 00 48 89 ef e8 27 fa ff ff eb c5 e8 d0 63 3a ff <0f> 0b 48 8b 7c 24 08 e8 24 2e 87 ff e9 bb fe ff ff 4c 89 ef e8 17 RSP: 0018:ffffc90006aaf450 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90004143000 RDX: 0000000000040000 RSI: ffffffff8245b640 RDI: 0000000000000005 RBP: ffff8880775f7500 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000002a R12: ffff88807e206000 R13: ffff8880775f7580 R14: 0000000000000200 R15: ffff88807e20601c FS: 00007f3d6cfbd700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30227000 CR3: 00000000209b5000 CR4: 0000000000350ee0 Call Trace: hfs_bnode_put+0x1f/0x30 fs/hfs/bnode.c:459 hfs_btree_inc_height.isra.0+0x5e3/0x950 fs/hfs/brec.c:525 hfs_brec_insert+0x851/0xbb0 fs/hfs/brec.c:148 __hfs_ext_write_extent+0x3ec/0x510 fs/hfs/extent.c:124 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline] hfs_ext_read_extent+0x81c/0xa20 fs/hfs/extent.c:202 hfs_extend_file+0x4b5/0xae0 fs/hfs/extent.c:401 hfs_get_block+0x17f/0x820 fs/hfs/extent.c:353 __block_write_begin_int+0x3bd/0x14b0 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0xb9/0x4d0 fs/buffer.c:2102 cont_write_begin+0x534/0x740 fs/buffer.c:2456 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58 generic_perform_write+0x256/0x570 mm/filemap.c:3753 __generic_file_write_iter+0x2ae/0x4d0 mm/filemap.c:3881 generic_file_write_iter+0xe3/0x350 mm/filemap.c:3913 call_write_iter include/linux/fs.h:2191 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9ed/0xdd0 fs/read_write.c:584 ksys_write+0x12b/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3d6c28c0d9 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:00007f3d6cfbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3d6c3abf80 RCX: 00007f3d6c28c0d9 RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004 RBP: 00007f3d6cfbd1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea2d77cf R14: 00007f3d6cfbd300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_bnode_put.part.0+0x220/0x280 fs/hfs/bnode.c:466 Code: 3a ff 48 89 ef e8 60 f8 ff ff 48 8b 3c 24 e8 a7 a1 aa 07 48 89 ef e8 ff 72 00 00 48 89 ef e8 27 fa ff ff eb c5 e8 d0 63 3a ff <0f> 0b 48 8b 7c 24 08 e8 24 2e 87 ff e9 bb fe ff ff 4c 89 ef e8 17 RSP: 0018:ffffc90006aaf450 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90004143000 RDX: 0000000000040000 RSI: ffffffff8245b640 RDI: 0000000000000005 RBP: ffff8880775f7500 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000002a R12: ffff88807e206000 R13: ffff8880775f7580 R14: 0000000000000200 R15: ffff88807e20601c FS: 00007f3d6cfbd700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30227000 CR3: 00000000209b5000 CR4: 0000000000350ee0