option from the mount to silence this warning. ======================================================= hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6092 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 Modules linked in: CPU: 1 PID: 6092 Comm: syz-executor279 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #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 : ffff800096e56cb0 x29: ffff800096e56cc0 x28: dfff800000000000 x27: dfff800000000000 x26: ffff0000dcac70f8 x25: dfff800000000000 x24: ffff0000d4b3ee88 x23: 0000000000000000 x22: ffff0000d3f140e0 x21: ffff0000d3f14000 x20: 0000000000000000 x19: ffff0000d4b3ee00 x18: ffff800096e562e0 x17: 0000000000000000 x16: ffff80008a830eb8 x15: 0000000000000001 x14: 1ffff00012dcacec x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000ff0100 x9 : 06b221484c42d000 x8 : 06b221484c42d000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096e565b8 x4 : ffff80008e5d20c0 x3 : ffff800082b78714 x2 : 0000000000000001 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_bnode_split+0xcc/0xd88 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x2d4/0xaa0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x3ac/0x1318 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf60/0x166c fs/hfsplus/super.c:560 mount_bdev+0x1e8/0x2b4 fs/super.c:1650 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1771 do_new_mount+0x25c/0x8c8 fs/namespace.c:3337 path_mount+0x590/0xe04 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3863 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 14298 hardirqs last enabled at (14297): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (14297): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (14297): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (14298): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (13736): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (13736): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (13629): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6092 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 Modules linked in: CPU: 1 PID: 6092 Comm: syz-executor279 Tainted: G W 6.7.0-rc8-syzkaller-g0802e17d9aca #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 : ffff800096e56cf0 x29: ffff800096e56d00 x28: dfff800000000000 x27: dfff800000000000 x26: ffff0000dcac7222 x25: dfff800000000000 x24: ffff0000d4b3ee88 x23: 0000000000000000 x22: ffff0000d3f140e0 x21: ffff0000d3f14000 x20: 0000000000000000 x19: ffff0000d4b3ee00 x18: ffff800096e562e0 x17: 0000000000000000 x16: ffff80008a830eb8 x15: 0000000000000001 x14: 1ffff00012dcacf4 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000ff0100 x9 : 06b221484c42d000 x8 : 06b221484c42d000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096e565f8 x4 : ffff80008e5d20c0 x3 : ffff800082b78714 x2 : 0000000000000001 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+0x594/0xaa0 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x3ac/0x1318 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf60/0x166c fs/hfsplus/super.c:560 mount_bdev+0x1e8/0x2b4 fs/super.c:1650 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1771 do_new_mount+0x25c/0x8c8 fs/namespace.c:3337 path_mount+0x590/0xe04 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3863 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 14392 hardirqs last enabled at (14391): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (14391): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (14391): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (14392): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (14314): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (14314): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (14301): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ 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: 6092 Comm: syz-executor279 Tainted: G W 6.7.0-rc8-syzkaller-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 80400005 (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 : ffff800096e56de0 x29: ffff800096e56de0 x28: dfff800000000000 x27: ffff700012dcadd4 x26: 1fffe0001a7e2803 x25: 1fffe0001a967dc0 x24: ffff0000d3f14000 x23: dfff800000000000 x22: ffff0000d4b3ee00 x21: ffff0000d4b3ee80 x20: 0000000000000000 x19: ffff0000d4b3ee00 x18: ffff800096e562e0 x17: 0000000000000000 x16: ffff80008026ec88 x15: 0000000000000001 x14: 1fffe0001a967dd0 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001a967dd1 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000dba08000 x7 : ffff80008a781288 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008111050c 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+0x594/0xaa0 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x3ac/0x1318 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf60/0x166c fs/hfsplus/super.c:560 mount_bdev+0x1e8/0x2b4 fs/super.c:1650 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1771 do_new_mount+0x25c/0x8c8 fs/namespace.c:3337 path_mount+0x590/0xe04 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3863 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: aa1403e0 97e33d7f 17ffffb7 97d032b6 (d4210000) ---[ end trace 0000000000000000 ]---