option from the mount to silence this warning. ======================================================= hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3972 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 Modules linked in: CPU: 1 PID: 3972 Comm: syz-executor375 Not tainted 5.15.146-syzkaller #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+0x428/0x4ec fs/hfsplus/bnode.c:583 lr : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 sp : ffff80001af06c90 x29: ffff80001af06ca0 x28: ffff0001b3ade0f8 x27: ffff0001b3ade000 x26: 00000000000000f8 x25: dfff800000000000 x24: 0000000000000000 x23: 0000000000000000 x22: ffff0000c92ee0e0 x21: ffff0000c92ee000 x20: 0000000000000000 x19: ffff0000c0fb9e00 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000119811d4 x15: 00000000ffffffff x14: ffff0000c8b71b40 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 68094ca5a7d75c00 x8 : 68094ca5a7d75c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001af063f8 x4 : ffff8000149ff8e0 x3 : ffff80000a95c020 x2 : ffff0001b4813d10 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:1387 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:1517 do_new_mount+0x25c/0x8c4 fs/namespace.c:2994 path_mount+0x594/0x101c fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522 __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: 16922 hardirqs last enabled at (16921): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (16922): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (16308): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (16308): [] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587 softirqs last disabled at (16301): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (16301): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (16301): [] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637 ---[ end trace 0f95cc1028c9a28c ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3972 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 Modules linked in: CPU: 1 PID: 3972 Comm: syz-executor375 Tainted: G W 5.15.146-syzkaller #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+0x428/0x4ec fs/hfsplus/bnode.c:583 lr : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 sp : ffff80001af06cd0 x29: ffff80001af06ce0 x28: ffff0001b3ade222 x27: ffff0001b3ade000 x26: 0000000000000222 x25: dfff800000000000 x24: 0000000000000000 x23: 0000000000000000 x22: ffff0000c92ee0e0 x21: ffff0000c92ee000 x20: 0000000000000000 x19: ffff0000c0fb9e00 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800008334208 x15: 00000000ffffffff x14: ffff0000c8b71b40 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 68094ca5a7d75c00 x8 : 68094ca5a7d75c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001af06438 x4 : ffff8000149ff8e0 x3 : ffff800008334354 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_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+0xf64/0x167c fs/hfsplus/super.c:560 mount_bdev+0x274/0x370 fs/super.c:1387 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:1517 do_new_mount+0x25c/0x8c4 fs/namespace.c:2994 path_mount+0x594/0x101c fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522 __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: 17020 hardirqs last enabled at (17019): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (17020): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (16944): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (16944): [] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587 softirqs last disabled at (16925): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (16925): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (16925): [] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637 ---[ end trace 0f95cc1028c9a28d ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:631! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3972 Comm: syz-executor375 Tainted: G W 5.15.146-syzkaller #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+0x588/0x594 fs/hfsplus/bnode.c:631 lr : hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 sp : ffff80001af06de0 x29: ffff80001af06de0 x28: dfff800000000000 x27: ffff7000035e0dd4 x26: 1fffe0001925dc03 x25: ffff0000c92ee000 x24: 1fffe000181f73c0 x23: dfff800000000000 x22: ffff0000c0fb9e00 x21: ffff0000c0fb9e80 x20: 0000000000000000 x19: ffff0000c0fb9e00 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80000824c4dc x15: 00000000ffffffff x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c8b71b40 x8 : ffff800008fb2a98 x7 : ffff80000ab29f74 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008fb256c x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 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+0xf64/0x167c fs/hfsplus/super.c:560 mount_bdev+0x274/0x370 fs/super.c:1387 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:1517 do_new_mount+0x25c/0x8c4 fs/namespace.c:2994 path_mount+0x594/0x101c fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522 __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 97e45e71 17ffff77 97d43aeb (d4210000) ---[ end trace 0f95cc1028c9a28e ]---