hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12698 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 Modules linked in: CPU: 0 PID: 12698 Comm: syz-executor.5 Not tainted 6.1.74-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 lr : hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 sp : ffff80001de16cf0 x29: ffff80001de16d00 x28: dfff800000000000 x27: dfff800000000000 x26: ffff0001414d20f8 x25: dfff800000000000 x24: ffff0000c0885e88 x23: 0000000000000000 x22: ffff0000db0f40e0 x21: ffff0000db0f4000 x20: 0000000000000000 x19: ffff0000c0885e00 x18: 1fffe0003686bf76 x17: ffff80001582d000 x16: ffff80001214bb4c x15: ffff0001b435fbbc x14: 1ffff00002b060b0 x13: dfff800000000000 x12: 0000000000040000 x11: 00000000000343a9 x10: ffff80001e87a000 x9 : 620968da7a881800 x8 : 620968da7a881800 x7 : ffff80000827c3a8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aa8616c x2 : ffff0001b435fcd0 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 hfsplus_bmap_alloc+0x570/0x638 fs/hfsplus/btree.c:415 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x390/0x14cc fs/hfsplus/extents.c:461 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __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 hfsplus_write_begin+0x98/0xe4 fs/hfsplus/inode.c:52 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 call_write_iter include/linux/fs.h:2249 [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:585 irq event stamp: 5488 hardirqs last enabled at (5487): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (5487): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5004 hardirqs last disabled at (5488): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (4124): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (4122): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:618! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 12698 Comm: syz-executor.5 Tainted: G W 6.1.74-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x488/0x494 fs/hfsplus/bnode.c:618 lr : hfsplus_bnode_put+0x488/0x494 fs/hfsplus/bnode.c:618 sp : ffff80001de16de0 x29: ffff80001de16de0 x28: dfff800000000000 x27: ffff700003bc2dd4 x26: 1fffe0001b61e803 x25: 1fffe00018110bc0 x24: ffff0000db0f4000 x23: dfff800000000000 x22: ffff0000c0885e00 x21: ffff0000c0885e80 x20: 0000000000000000 x19: ffff0000c0885e00 x18: 1fffe0003686bf76 x17: ffff80001582d000 x16: ffff80001214bc7c x15: ffff0001b435fbbc x14: 1ffff00002b060b0 x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001e87a000 x9 : ffff800009080b98 x8 : 0000000000040000 x7 : ffff8000089d0934 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80000908076c x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x488/0x494 fs/hfsplus/bnode.c:618 hfs_btree_inc_height+0x4fc/0xa60 fs/hfsplus/brec.c:530 hfsplus_brec_insert+0x11c/0xaa0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x288/0x4ac fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x84/0xa84 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x390/0x14cc fs/hfsplus/extents.c:461 hfsplus_get_block+0x398/0x1168 fs/hfsplus/extents.c:245 __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 hfsplus_write_begin+0x98/0xe4 fs/hfsplus/inode.c:52 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 call_write_iter include/linux/fs.h:2249 [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:585 Code: aa1403e0 97e3c385 17ffffb7 97d1e129 (d4210000) ---[ end trace 0000000000000000 ]---