hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6121 at fs/hfs/bnode.c:432 hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 Modules linked in: CPU: 0 PID: 6121 Comm: syz-executor.5 Not tainted 5.15.127-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 lr : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 sp : ffff800027256c90 x29: ffff800027256ca0 x28: ffff00012a36c000 x27: 000000000000008c x26: ffff00012a36c08c x25: dfff800000000000 x24: 1ffff00004e4ada8 x23: 0000000000000000 x22: ffff0000d47f40e0 x21: ffff0000d47f4000 x20: 0000000000000000 x19: ffff0000cdda2a00 x18: 1fffe000368fef8e x17: 1fffe000368fef8e x16: ffff800011967c34 x15: ffff80001499f180 x14: 1ffff0000292006a x13: ffffffffffffffff x12: 0000000000040000 x11: 0000000000025e12 x10: ffff80001dd7c000 x9 : c037d9f4c2f67000 x8 : c037d9f4c2f67000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a958780 x2 : ffff0001b47f7d10 x1 : 0000000100000000 x0 : 000000000000001f Call trace: hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 hfs_bmap_alloc+0x5c0/0x6b4 fs/hfs/btree.c:288 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+0x278/0x10e4 fs/hfs/extent.c:401 hfs_get_block+0x3ac/0x9fc fs/hfs/extent.c:353 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin fs/buffer.c:2122 [inline] cont_write_begin+0x538/0x710 fs/buffer.c:2471 hfs_write_begin+0xa8/0xf8 fs/hfs/inode.c:59 generic_perform_write+0x24c/0x520 mm/filemap.c:3776 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3903 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3935 call_write_iter include/linux/fs.h:2103 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x87c/0xb3c fs/read_write.c:594 ksys_write+0x15c/0x26c fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 1988 hardirqs last enabled at (1987): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (1987): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4780 hardirqs last disabled at (1988): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (1922): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (1922): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (1889): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1889): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (1889): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:637 ---[ end trace ab9663319243d066 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfs/bnode.c:479! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6121 Comm: syz-executor.5 Tainted: G W 5.15.127-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 lr : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 sp : ffff800027256db0 x29: ffff800027256db0 x28: dfff800000000000 x27: ffff700004e4adcc x26: 1fffe0001a8fe803 x25: 0000000000000200 x24: 1fffe00019bb4540 x23: dfff800000000000 x22: ffff0000d47f4000 x21: ffff0000cdda2a80 x20: 0000000000000000 x19: ffff0000cdda2a00 x18: 1fffe000368fef8e x17: 1fffe000368fef8e x16: ffff800011967dc4 x15: ffff80001499f180 x14: 1ffff0000292006a x13: ffffffffffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001dd7c000 x9 : ffff800008fc9cc8 x8 : 0000000000040000 x7 : ffff800008916d94 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008fc990c x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 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+0x278/0x10e4 fs/hfs/extent.c:401 hfs_get_block+0x3ac/0x9fc fs/hfs/extent.c:353 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin fs/buffer.c:2122 [inline] cont_write_begin+0x538/0x710 fs/buffer.c:2471 hfs_write_begin+0xa8/0xf8 fs/hfs/inode.c:59 generic_perform_write+0x24c/0x520 mm/filemap.c:3776 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3903 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3935 call_write_iter include/linux/fs.h:2103 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x87c/0xb3c fs/read_write.c:594 ksys_write+0x15c/0x26c fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: aa1403e0 97e3fedc 17ffffa5 97d3df3f (d4210000) ---[ end trace ab9663319243d067 ]---