loop0: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4461 at fs/hfsplus/bnode.c:631 hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 Modules linked in: CPU: 1 PID: 4461 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 lr : hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 sp : ffff800020ed7200 x29: ffff800020ed7220 x28: dfff800000000000 x27: dfff800000000000 x26: 0000000000000040 x25: 00000000000000f8 x24: ffff0000d5c0d088 x23: 00000000000000c0 x22: 0000000000000000 x21: ffff0000d4270000 x20: 0000000000000000 x19: ffff0000d5c0d000 x18: ffff800011b7bf60 x17: 1fffe00033eaed7e x16: ffff8000082d9364 x15: ffff8000151fd000 x14: 0000000000000001 x13: 1ffff000041dada8 x12: 0000000000ff0100 x11: ff00800008311710 x10: 0000000000000000 x9 : 7781f8b691114c00 x8 : 7781f8b691114c00 x7 : ffff80000825796c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000a88a6b0 x2 : ffff00019f576d10 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 hfsplus_bmap_alloc+0x5b4/0x8e8 fs/hfsplus/btree.c:421 hfs_bnode_split+0xd0/0xbb0 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x304/0xac0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x864/0xe24 fs/hfsplus/catalog.c:308 hfsplus_link+0x360/0x638 fs/hfsplus/dir.c:342 vfs_link+0x5b4/0x744 fs/namei.c:4607 do_linkat+0x240/0x4e4 fs/namei.c:4678 __do_sys_linkat fs/namei.c:4706 [inline] __se_sys_linkat fs/namei.c:4703 [inline] __arm64_sys_linkat+0xe4/0x100 fs/namei.c:4703 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 5924 hardirqs last enabled at (5923): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline] hardirqs last enabled at (5923): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5004 hardirqs last disabled at (5924): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (5916): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (5916): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (5903): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4461 at fs/hfsplus/bnode.c:631 hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 Modules linked in: CPU: 1 PID: 4461 Comm: syz.0.17 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 lr : hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 sp : ffff800020ed7260 x29: ffff800020ed7280 x28: dfff800000000000 x27: dfff800000000000 x26: 0000000000000000 x25: 00000000000000d4 x24: ffff0000d5c0d088 x23: 0000000000000080 x22: 0000000000000000 x21: ffff0000d4270000 x20: 0000000000000000 x19: ffff0000d5c0d000 x18: ffff800011b7bf60 x17: 0000000000000000 x16: ffff8000082d9364 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff000041dada4 x12: 0000000000ff0100 x11: ff00800008311710 x10: 0000000000000000 x9 : 7781f8b691114c00 x8 : 7781f8b691114c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020ed6d38 x4 : ffff8000152e4cc0 x3 : ffff800008319720 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x40c/0x4c4 fs/hfsplus/bnode.c:630 hfsplus_bmap_alloc+0x5b4/0x8e8 fs/hfsplus/btree.c:421 hfs_btree_inc_height+0x108/0x900 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x5d8/0xac0 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x864/0xe24 fs/hfsplus/catalog.c:308 hfsplus_link+0x360/0x638 fs/hfsplus/dir.c:342 vfs_link+0x5b4/0x744 fs/namei.c:4607 do_linkat+0x240/0x4e4 fs/namei.c:4678 __do_sys_linkat fs/namei.c:4706 [inline] __se_sys_linkat fs/namei.c:4703 [inline] __arm64_sys_linkat+0xe4/0x100 fs/namei.c:4703 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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: 6160 hardirqs last enabled at (6159): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (6160): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (6076): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (6076): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (5927): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:676! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4461 Comm: syz.0.17 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x440/0x44c fs/hfsplus/bnode.c:676 lr : hfsplus_bnode_put+0x440/0x44c fs/hfsplus/bnode.c:676 sp : ffff800020ed7360 x29: ffff800020ed7360 x28: ffff0000d5c0dc00 x27: dfff800000000000 x26: ffff7000041dae80 x25: ffff800020ed7400 x24: 1fffe0001ab81a00 x23: ffff0000d4270000 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000d5c0d080 x19: ffff0000d5c0d000 x18: ffff800011b7bf60 x17: 0000000000000000 x16: ffff8000082ef028 x15: 0000000000000000 x14: 0000000000000001 x13: 1fffe0001ab81a10 x12: 0000000000ff0100 x11: ff00800008f89450 x10: 0000000000000000 x9 : ffff800008f89450 x8 : ffff0000d298b780 x7 : ffff8000118b44e4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008f8906c x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x440/0x44c fs/hfsplus/bnode.c:676 hfs_btree_inc_height+0x49c/0x900 fs/hfsplus/brec.c:530 hfsplus_brec_insert+0x5d8/0xac0 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x864/0xe24 fs/hfsplus/catalog.c:308 hfsplus_link+0x360/0x638 fs/hfsplus/dir.c:342 vfs_link+0x5b4/0x744 fs/namei.c:4607 do_linkat+0x240/0x4e4 fs/namei.c:4678 __do_sys_linkat fs/namei.c:4706 [inline] __se_sys_linkat fs/namei.c:4703 [inline] __arm64_sys_linkat+0xe4/0x100 fs/namei.c:4703 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 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 97e56f94 17ffffbf 97d486a4 (d4210000) ---[ end trace 0000000000000000 ]---