hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6857 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 Modules linked in: CPU: 0 UID: 0 PID: 6857 Comm: syz.2.36 Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 lr : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 sp : ffff80009ff56dd0 x29: ffff80009ff56de0 x28: 1ffff00013feadc8 x27: dfff800000000000 x26: 0000000000000008 x25: 0000000000000088 x24: 0000000000000000 x23: ffff0000e48940f8 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000cced8000 x19: ffff0000d5432600 x18: 00000000ffffffff x17: ffff800093320000 x16: ffff80008aecb65c x15: 0000000000000001 x14: 1ffff00013fead30 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fead31 x10: 0000000000ff0100 x9 : 28865685b1b4c900 x8 : 28865685b1b4c900 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009ff56758 x4 : ffff80008f727060 x3 : ffff8000807bf158 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 (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+0xfbc/0x1714 fs/hfsplus/super.c:561 get_tree_bdev_flags+0x360/0x414 fs/super.c:1679 get_tree_bdev+0x2c/0x3c fs/super.c:1702 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:640 vfs_get_tree+0x90/0x28c fs/super.c:1802 do_new_mount+0x228/0x814 fs/namespace.c:3885 path_mount+0x5b4/0xde0 fs/namespace.c:4209 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount fs/namespace.c:4410 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4410 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 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+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 2616 hardirqs last enabled at (2615): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (2615): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885 hardirqs last disabled at (2616): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (2450): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (2450): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (2057): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6857 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 Modules linked in: CPU: 0 UID: 0 PID: 6857 Comm: syz.2.36 Tainted: G W 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 lr : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 sp : ffff80009ff56e30 x29: ffff80009ff56e40 x28: 1ffff00013feadd4 x27: dfff800000000000 x26: 0000000000000000 x25: 0000000000000080 x24: 0000000000000000 x23: ffff0000e4894222 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000cced8000 x19: ffff0000d5432600 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008aecb65c x15: 0000000000000001 x14: 1ffff00013fead3c x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fead3d x10: 0000000000ff0100 x9 : 28865685b1b4c900 x8 : 28865685b1b4c900 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009ff567b8 x4 : ffff80008f727060 x3 : ffff8000807bf158 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 (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+0xfbc/0x1714 fs/hfsplus/super.c:561 get_tree_bdev_flags+0x360/0x414 fs/super.c:1679 get_tree_bdev+0x2c/0x3c fs/super.c:1702 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:640 vfs_get_tree+0x90/0x28c fs/super.c:1802 do_new_mount+0x228/0x814 fs/namespace.c:3885 path_mount+0x5b4/0xde0 fs/namespace.c:4209 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount fs/namespace.c:4410 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4410 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 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+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 3270 hardirqs last enabled at (3269): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (3269): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885 hardirqs last disabled at (3270): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (3202): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (3202): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (2619): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:624! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 6857 Comm: syz.2.36 Tainted: G W 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:624 lr : hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:624 sp : ffff80009ff56f00 x29: ffff80009ff56f00 x28: ffff0000d3255f00 x27: dfff800000000000 x26: ffff700013feadf4 x25: ffff80009ff56fa0 x24: 1fffe0001aa864c0 x23: ffff0000cced8000 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000d5432680 x19: ffff0000d5432600 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008052bb74 x15: 0000000000000001 x14: 1fffe0001aa864d0 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001aa864d1 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c651bd00 x7 : ffff80008ae38a80 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000812b0694 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:624 (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+0xfbc/0x1714 fs/hfsplus/super.c:561 get_tree_bdev_flags+0x360/0x414 fs/super.c:1679 get_tree_bdev+0x2c/0x3c fs/super.c:1702 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:640 vfs_get_tree+0x90/0x28c fs/super.c:1802 do_new_mount+0x228/0x814 fs/namespace.c:3885 path_mount+0x5b4/0xde0 fs/namespace.c:4209 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount fs/namespace.c:4410 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4410 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 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+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: aa1403e0 97e63750 17ffffb4 97d1c51b (d4210000) ---[ end trace 0000000000000000 ]---