option from the mount to silence this warning. ======================================================= hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4222 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 Modules linked in: CPU: 0 PID: 4222 Comm: syz-executor302 Not tainted 6.1.90-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 : ffff80001dc76cf0 x29: ffff80001dc76d00 x28: dfff800000000000 x27: dfff800000000000 x26: ffff0000e19140f8 x25: dfff800000000000 x24: ffff0000c0b7bc88 x23: 0000000000000000 x22: ffff0000d82e00e0 x21: ffff0000d82e0000 x20: 0000000000000000 x19: ffff0000c0b7bc00 x18: ffff80001dc76400 x17: ffff8000188ce000 x16: ffff8000121591d4 x15: ffff8000183b3f80 x14: ffff0000d629c1f8 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 004075a1ad946500 x8 : 004075a1ad946500 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000aa8e44c x2 : ffff0001b4359cd0 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/0x1330 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf60/0x166c fs/hfsplus/super.c:560 mount_bdev+0x274/0x370 fs/super.c:1432 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1562 do_new_mount+0x278/0x8fc fs/namespace.c:3051 path_mount+0x590/0xe5c fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount fs/namespace.c:3579 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 17788 hardirqs last enabled at (17787): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (17787): [] __schedule+0xff8/0x1c98 kernel/sched/core.c:6564 hardirqs last disabled at (17788): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (17742): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (17742): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (17733): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4222 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x428/0x4dc fs/hfsplus/bnode.c:572 Modules linked in: CPU: 0 PID: 4222 Comm: syz-executor302 Tainted: G W 6.1.90-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 : ffff80001dc76d30 x29: ffff80001dc76d40 x28: dfff800000000000 x27: dfff800000000000 x26: ffff0000e1914222 x25: dfff800000000000 x24: ffff0000c0b7bc88 x23: 0000000000000000 x22: ffff0000d82e00e0 x21: ffff0000d82e0000 x20: 0000000000000000 x19: ffff0000c0b7bc00 x18: ffff80001dc76400 x17: 0000000000000000 x16: ffff8000120a7540 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : 004075a1ad946500 x8 : 004075a1ad946500 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001dc76638 x4 : ffff800015922ae0 x3 : ffff80000834e8e4 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/0x1330 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf60/0x166c fs/hfsplus/super.c:560 mount_bdev+0x274/0x370 fs/super.c:1432 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1562 do_new_mount+0x278/0x8fc fs/namespace.c:3051 path_mount+0x590/0xe5c fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount fs/namespace.c:3579 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 17978 hardirqs last enabled at (17977): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (17978): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (17900): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (17900): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (17791): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ 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: 0 PID: 4222 Comm: syz-executor302 Tainted: G W 6.1.90-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 : ffff80001dc76e20 x29: ffff80001dc76e20 x28: dfff800000000000 x27: ffff700003b8eddc x26: 1fffe0001b05c003 x25: 1fffe0001816f780 x24: ffff0000d82e0000 x23: dfff800000000000 x22: ffff0000c0b7bc00 x21: ffff0000c0b7bc80 x20: 0000000000000000 x19: ffff0000c0b7bc00 x18: ffff80001dc76400 x17: 0000000000000000 x16: ffff80000825f5a0 x15: 0000000000000000 x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800009085548 x8 : ffff0000d629b780 x7 : ffff8000120abfa0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000908511c 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/0x1330 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf60/0x166c fs/hfsplus/super.c:560 mount_bdev+0x274/0x370 fs/super.c:1432 hfsplus_mount+0x44/0x58 fs/hfsplus/super.c:641 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1562 do_new_mount+0x278/0x8fc fs/namespace.c:3051 path_mount+0x590/0xe5c fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount fs/namespace.c:3579 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: aa1403e0 97e3bec9 17ffffb7 97d1d232 (d4210000) ---[ end trace 0000000000000000 ]---