hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8364 at fs/hfsplus/bnode.c:671 hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 Modules linked in: CPU: 0 UID: 0 PID: 8364 Comm: syz.1.280 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 lr : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 sp : ffff80009c1f6d50 x29: ffff80009c1f6d60 x28: 1ffff0001383edb8 x27: dfff800000000000 x26: 0000000000000000 x25: 0000000000000080 x24: 0000000000000000 x23: ffff000103a900f8 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000d12b6000 x19: ffff00010cef3200 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065bd0 x15: 0000000000000001 x14: 1ffff0001383ed20 x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001383ed21 x10: 0000000000ff0100 x9 : ed9015a1a6b31700 x8 : ed9015a1a6b31700 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 (P) hfsplus_bmap_alloc+0x43c/0x4cc fs/hfsplus/btree.c:415 hfs_bnode_split+0xc8/0xbb8 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x2f4/0xaa8 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x31c/0xdc8 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:559 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692 get_tree_bdev+0x2c/0x3c fs/super.c:1715 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:638 vfs_get_tree+0x90/0x28c fs/super.c:1815 do_new_mount+0x278/0x7f4 fs/namespace.c:3808 path_mount+0x5b4/0xde0 fs/namespace.c:4123 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount fs/namespace.c:4324 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2440 hardirqs last enabled at (2439): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (2440): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (2280): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (2280): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (2275): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8364 at fs/hfsplus/bnode.c:671 hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 Modules linked in: CPU: 0 UID: 0 PID: 8364 Comm: syz.1.280 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 lr : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 sp : ffff80009c1f6db0 x29: ffff80009c1f6dc0 x28: 1ffff0001383edc4 x27: dfff800000000000 x26: 0000000000000000 x25: 0000000000000080 x24: 0000000000000000 x23: ffff000103a90222 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000d12b6000 x19: ffff00010cef3200 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff80008b065ce0 x15: 0000000000000001 x14: 1ffff0001383ed2c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : ed9015a1a6b31700 x8 : ed9015a1a6b31700 x7 : ffff80008056636c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d446c x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:670 (P) hfsplus_bmap_alloc+0x43c/0x4cc fs/hfsplus/btree.c:415 hfs_btree_inc_height+0xf8/0x8e0 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x5c8/0xaa8 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x31c/0xdc8 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:559 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692 get_tree_bdev+0x2c/0x3c fs/super.c:1715 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:638 vfs_get_tree+0x90/0x28c fs/super.c:1815 do_new_mount+0x278/0x7f4 fs/namespace.c:3808 path_mount+0x5b4/0xde0 fs/namespace.c:4123 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount fs/namespace.c:4324 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2814 hardirqs last enabled at (2813): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (2814): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434 softirqs last enabled at (2802): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (2802): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (2443): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:716! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 8364 Comm: syz.1.280 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:716 lr : hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:716 sp : ffff80009c1f6e80 x29: ffff80009c1f6e80 x28: ffff00010cef3300 x27: dfff800000000000 x26: ffff70001383ede4 x25: ffff80009c1f6f20 x24: 1fffe000219de640 x23: ffff0000d12b6000 x22: dfff800000000000 x21: 0000000000000000 x20: ffff00010cef3280 x19: ffff00010cef3200 x18: 1fffe00033771c88 x17: ffff80008f85e000 x16: ffff8000805381bc x15: 0000000000000001 x14: 1fffe000219de650 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000219de651 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cb88bd00 x7 : ffff80008afd01c0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000812d92ac x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:716 (P) hfs_btree_inc_height+0x48c/0x8e0 fs/hfsplus/brec.c:530 hfsplus_brec_insert+0x5c8/0xaa8 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x31c/0xdc8 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:559 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692 get_tree_bdev+0x2c/0x3c fs/super.c:1715 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:638 vfs_get_tree+0x90/0x28c fs/super.c:1815 do_new_mount+0x278/0x7f4 fs/namespace.c:3808 path_mount+0x5b4/0xde0 fs/namespace.c:4123 do_mount fs/namespace.c:4136 [inline] __do_sys_mount fs/namespace.c:4347 [inline] __se_sys_mount fs/namespace.c:4324 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: aa1403e0 97e62db3 17ffffb4 97d17205 (d4210000) ---[ end trace 0000000000000000 ]---