hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 17334 at fs/hfs/bnode.c:422 hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 Modules linked in: CPU: 0 PID: 17334 Comm: syz-executor.3 Not tainted 6.1.38-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 lr : hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 sp : ffff80002dea6cf0 x29: ffff80002dea6d00 x28: dfff800000000000 x27: dfff800000000000 x26: 000000000000016c x25: ffff0000dc0af688 x24: 0000000000000000 x23: 0000000000000000 x22: ffff0000d6a640e0 x21: ffff0000d6a64000 x20: 0000000000000000 x19: ffff0000dc0af600 x18: 1fffe000368b5976 x17: ffff8000155cd000 x16: ffff800008303874 x15: ffff0001b45acbbc x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000218e9000 x9 : 70e913b218d9b900 x8 : 70e913b218d9b900 x7 : ffff80000827b5cc x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000100000000 x0 : 000000000000001f Call trace: hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 hfs_bmap_alloc+0x59c/0x664 fs/hfs/btree.c:291 hfs_btree_inc_height+0xf8/0x9d0 fs/hfs/brec.c:471 hfs_brec_insert+0x580/0x97c fs/hfs/brec.c:148 __hfs_ext_write_extent+0x240/0x468 fs/hfs/extent.c:124 __hfs_ext_cache_extent+0x84/0x754 fs/hfs/extent.c:174 hfs_ext_read_extent fs/hfs/extent.c:202 [inline] hfs_extend_file+0x29c/0x1130 fs/hfs/extent.c:401 hfs_get_block+0x3b8/0x9e0 fs/hfs/extent.c:353 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin fs/buffer.c:2102 [inline] cont_write_begin+0x5c0/0x7d8 fs/buffer.c:2456 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58 generic_perform_write+0x278/0x55c mm/filemap.c:3754 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3882 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3914 call_write_iter include/linux/fs.h:2205 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x914 fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 3246 hardirqs last enabled at (3245): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (3245): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (3246): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2756): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2754): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfs/bnode.c:467! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 17334 Comm: syz-executor.3 Tainted: G W 6.1.38-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_put+0x318/0x324 fs/hfs/bnode.c:467 lr : hfs_bnode_put+0x318/0x324 fs/hfs/bnode.c:467 sp : ffff80002dea6e10 x29: ffff80002dea6e10 x28: dfff800000000000 x27: ffff700005bd4dd8 x26: 1fffe0001ad4c803 x25: 0000000000000200 x24: 1fffe0001b815ec0 x23: dfff800000000000 x22: ffff0000d6a64000 x21: ffff0000dc0af680 x20: 0000000000000000 x19: ffff0000dc0af600 x18: 1fffe000368b5976 x17: ffff8000155cd000 x16: ffff800012110fc4 x15: ffff0001b45acbbc x14: 1ffff00002aba0b0 x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000218e9000 x9 : ffff800009092f30 x8 : 0000000000040000 x7 : ffff8000089cc19c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800009092c70 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfs_bnode_put+0x318/0x324 fs/hfs/bnode.c:467 hfs_btree_inc_height+0x4c0/0x9d0 fs/hfs/brec.c:525 hfs_brec_insert+0x580/0x97c fs/hfs/brec.c:148 __hfs_ext_write_extent+0x240/0x468 fs/hfs/extent.c:124 __hfs_ext_cache_extent+0x84/0x754 fs/hfs/extent.c:174 hfs_ext_read_extent fs/hfs/extent.c:202 [inline] hfs_extend_file+0x29c/0x1130 fs/hfs/extent.c:401 hfs_get_block+0x3b8/0x9e0 fs/hfs/extent.c:353 __block_write_begin_int+0x340/0x13b4 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin fs/buffer.c:2102 [inline] cont_write_begin+0x5c0/0x7d8 fs/buffer.c:2456 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58 generic_perform_write+0x278/0x55c mm/filemap.c:3754 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3882 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3914 call_write_iter include/linux/fs.h:2205 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x914 fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Code: aa1503e0 97e3690d 17ffffd5 97d19843 (d4210000) ---[ end trace 0000000000000000 ]---