loop0: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4468 at fs/hfsplus/bnode.c:590 hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 Modules linked in: CPU: 0 PID: 4468 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 lr : hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 sp : ffff80001f1a6db0 x29: ffff80001f1a6dc0 x28: 0000000000000000 x27: 00000000000000f8 x26: 0000000000000080 x25: dfff800000000000 x24: dfff800000000000 x23: ffff0000e2f4d0f8 x22: 0000000000000000 x21: ffff0000db3f0000 x20: 0000000000000000 x19: ffff0000c141de00 x18: 0000000000000002 x17: 0000000040000000 x16: ffff8000111bc798 x15: 0000000000000002 x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 8043588c7618c900 x8 : 8043588c7618c900 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a723764 x2 : ffff0001a10c5d50 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 hfsplus_bmap_alloc+0x534/0x5f8 fs/hfsplus/btree.c:414 hfs_bnode_split+0xc8/0xbb8 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x2f4/0xaa8 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x31c/0xdd4 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf8c/0x16dc fs/hfsplus/super.c:560 mount_bdev+0x264/0x358 fs/super.c:1400 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:1530 do_new_mount+0x228/0x810 fs/namespace.c:3014 path_mount+0x5b4/0x1000 fs/namespace.c:3344 do_mount fs/namespace.c:3357 [inline] __do_sys_mount fs/namespace.c:3565 [inline] __se_sys_mount fs/namespace.c:3542 [inline] __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 3886 hardirqs last enabled at (3885): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (3885): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4784 hardirqs last disabled at (3886): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (3386): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (3386): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (3379): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (3379): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (3379): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (3379): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace c0063ed83751368c ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4468 at fs/hfsplus/bnode.c:590 hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 Modules linked in: CPU: 0 PID: 4468 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 lr : hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 sp : ffff80001f1a6e10 x29: ffff80001f1a6e20 x28: 0000000000000000 x27: 0000000000000222 x26: 0000000000000080 x25: dfff800000000000 x24: dfff800000000000 x23: ffff0000e2f4d222 x22: 0000000000000000 x21: ffff0000db3f0000 x20: 0000000000000000 x19: ffff0000c141de00 x18: 0000000000000002 x17: 0000000040000000 x16: ffff8000111bc798 x15: 0000000000000002 x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 8043588c7618c900 x8 : 8043588c7618c900 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a723764 x2 : ffff0001a10c5d50 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:589 hfsplus_bmap_alloc+0x534/0x5f8 fs/hfsplus/btree.c:414 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/0xdd4 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf8c/0x16dc fs/hfsplus/super.c:560 mount_bdev+0x264/0x358 fs/super.c:1400 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:1530 do_new_mount+0x228/0x810 fs/namespace.c:3014 path_mount+0x5b4/0x1000 fs/namespace.c:3344 do_mount fs/namespace.c:3357 [inline] __do_sys_mount fs/namespace.c:3565 [inline] __se_sys_mount fs/namespace.c:3542 [inline] __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 4112 hardirqs last enabled at (4111): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (4111): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4784 hardirqs last disabled at (4112): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (4106): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (4106): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (4089): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (4089): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (4089): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (4089): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace c0063ed83751368d ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:637! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4468 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x590/0x59c fs/hfsplus/bnode.c:637 lr : hfsplus_bnode_put+0x590/0x59c fs/hfsplus/bnode.c:637 sp : ffff80001f1a6f00 x29: ffff80001f1a6f00 x28: ffff0000cd94fc00 x27: dfff800000000000 x26: ffff700003e34df4 x25: ffff80001f1a6fa0 x24: ffff0000db3f0000 x23: dfff800000000000 x22: 1fffe00018283bc0 x21: 0000000000000000 x20: ffff0000c141de80 x19: ffff0000c141de00 x18: 0000000000000002 x17: 0000000040000000 x16: ffff8000082d6448 x15: 0000000000000002 x14: 0000000000000001 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008eb010c x8 : ffff0000c2c6d1c0 x7 : ffff80000a8e6ee4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008eafbd8 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x590/0x59c fs/hfsplus/bnode.c:637 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/0xdd4 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xf8c/0x16dc fs/hfsplus/super.c:560 mount_bdev+0x264/0x358 fs/super.c:1400 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:1530 do_new_mount+0x228/0x810 fs/namespace.c:3014 path_mount+0x5b4/0x1000 fs/namespace.c:3344 do_mount fs/namespace.c:3357 [inline] __do_sys_mount fs/namespace.c:3565 [inline] __se_sys_mount fs/namespace.c:3542 [inline] __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: aa1403e0 97e632a4 17ffff74 97d724be (d4210000) ---[ end trace c0063ed83751368e ]---