hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10669 at fs/hfs/bnode.c:422 hfs_bnode_create+0x428/0x4dc fs/hfs/bnode.c:421 Modules linked in: CPU: 1 PID: 10669 Comm: syz-executor.3 Not tainted 6.1.81-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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 : ffff80001fc56a10 x29: ffff80001fc56a20 x28: dfff800000000000 x27: dfff800000000000 x26: 000000000000016c x25: ffff0000db141a88 x24: 0000000000000000 x23: 0000000000000000 x22: ffff0001ffb060e0 x21: ffff0001ffb06000 x20: 0000000000000000 x19: ffff0000db141a00 x18: 1fffe0003686fd76 x17: ffff80001582d000 x16: ffff800012149a4c x15: ffff0001b437ebbc x14: 1ffff00002b060b0 x13: dfff800000000000 x12: 0000000000040000 x11: 0000000000025f57 x10: ffff8000213a9000 x9 : 55bf138d3d5fb900 x8 : 55bf138d3d5fb900 x7 : ffff80000827c5fc x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aa8aa0c x2 : ffff0001b437ecd0 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 cont_expand_zero fs/buffer.c:2383 [inline] cont_write_begin+0x2ac/0x7d8 fs/buffer.c:2446 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58 generic_perform_write+0x278/0x55c mm/filemap.c:3817 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3945 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3977 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __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:585 irq event stamp: 3334 hardirqs last enabled at (3333): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (3333): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5004 hardirqs last disabled at (3334): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3268): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (3268): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (2987): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ 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: 10669 Comm: syz-executor.3 Tainted: G W 6.1.81-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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 : ffff80001fc56b30 x29: ffff80001fc56b30 x28: dfff800000000000 x27: ffff700003f8ad7c x26: 1fffe0003ff60c03 x25: 0000000000000200 x24: 1fffe0001b628340 x23: dfff800000000000 x22: ffff0001ffb06000 x21: ffff0000db141a80 x20: 0000000000000000 x19: ffff0000db141a00 x18: 1fffe0003686fd76 x17: ffff80001582d000 x16: ffff800012149b7c x15: ffff0001b437ebbc x14: 1ffff00002b060b0 x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000213a9000 x9 : ffff80000909ea24 x8 : 0000000000040000 x7 : ffff8000089d6ee4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80000909e764 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 cont_expand_zero fs/buffer.c:2383 [inline] cont_write_begin+0x2ac/0x7d8 fs/buffer.c:2446 hfs_write_begin+0x98/0xe4 fs/hfs/inode.c:58 generic_perform_write+0x278/0x55c mm/filemap.c:3817 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3945 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:3977 do_iter_write+0x534/0x964 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1ec/0x334 fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __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:585 Code: aa1503e0 97e36143 17ffffd5 97d16d17 (d4210000) ---[ end trace 0000000000000000 ]---