hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4876 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 Modules linked in: CPU: 0 PID: 4876 Comm: syz.1.182 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 lr : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 sp : ffff800020a76c90 x29: ffff800020a76ca0 x28: ffff0000de3cd0f8 x27: ffff0000de3cd000 x26: 00000000000000f8 x25: dfff800000000000 x24: 0000000000000000 x23: 0000000000000000 x22: ffff0000c1b2a0e0 x21: ffff0000c1b2a000 x20: 0000000000000000 x19: ffff0000c1c20600 x18: 0000000000000001 x17: 0000000000000002 x16: ffff800011b616c4 x15: 00000000ffffffff x14: ffff0000d08f51c0 x13: 0000000000000001 x12: 0000000000080000 x11: 000000000004961f x10: ffff80002162b000 x9 : 1ed8f35e09d56100 x8 : 1ed8f35e09d56100 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020a763f8 x4 : ffff800014c5fe40 x3 : ffff800008559804 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 hfsplus_bmap_alloc+0x5a4/0x698 fs/hfsplus/btree.c:414 hfs_bnode_split+0xcc/0xd88 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x2d4/0xaa0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x3ac/0x1330 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf64/0x167c fs/hfsplus/super.c:560 mount_bdev+0x274/0x370 fs/super.c:1400 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x278/0x8fc fs/namespace.c:3012 path_mount+0x594/0x101c fs/namespace.c:3342 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount fs/namespace.c:3540 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3540 __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:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 10574 hardirqs last enabled at (10573): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (10574): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (10434): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (10434): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (10397): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (10397): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (10397): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (10397): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 37e872248e02b55d ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:631! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4876 Comm: syz.1.182 Tainted: G W 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 lr : hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 sp : ffff800020a76da0 x29: ffff800020a76da0 x28: dfff800000000000 x27: ffff800020a771c0 x26: ffff0000c1c20600 x25: ffff0000c1b2a000 x24: 1fffe000183840c0 x23: dfff800000000000 x22: ffff800020a771d8 x21: ffff0000c1c20680 x20: 0000000000000000 x19: ffff0000c1c20600 x18: ffff800020a768a0 x17: 0000000000000002 x16: ffff80000824f3a0 x15: 0000000000029ebb x14: 1ffff0000297006c x13: dfff800000000000 x12: 0000000000080000 x11: 0000000000066783 x10: ffff80002162b000 x9 : 0000000000066784 x8 : ffff800008fcaf60 x7 : ffff8000087b6950 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008fcaa34 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 hfs_bnode_split+0x228/0xd88 fs/hfsplus/brec.c:264 hfsplus_brec_insert+0x2d4/0xaa0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x3ac/0x1330 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf64/0x167c fs/hfsplus/super.c:560 mount_bdev+0x274/0x370 fs/super.c:1400 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x278/0x8fc fs/namespace.c:3012 path_mount+0x594/0x101c fs/namespace.c:3342 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount fs/namespace.c:3540 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3540 __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:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: aa1403e0 97e43800 17ffff77 97d3f11c (d4210000) ---[ end trace 37e872248e02b55e ]---