loop0: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4952 at fs/hfsplus/bnode.c:682 hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:681 Modules linked in: CPU: 0 PID: 4952 Comm: syz.0.16 Not tainted 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:681 lr : hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:681 sp : ffff80001f9e7350 x29: ffff80001f9e7360 x28: 0000000000000040 x27: 00000000000000f8 x26: 00000000000000c0 x25: dfff800000000000 x24: dfff800000000000 x23: ffff0000ebdbf0f8 x22: 0000000000000000 x21: ffff0000d96b8000 x20: 0000000000000000 x19: ffff0000c2327a00 x18: 1fffe00034216796 x17: ffff800016d16000 x16: ffff8000111cbe1c x15: ffff8000167f6500 x14: ffff0000c2a1a540 x13: 1ffff0000283006b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 3484411c3a423500 x8 : 3484411c3a423500 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a7280cc x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:681 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+0x80c/0xdd4 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x148/0x258 fs/hfsplus/dir.c:494 hfsplus_mkdir+0x38/0x4c fs/hfsplus/dir.c:529 vfs_mkdir+0x314/0x4d4 fs/namei.c:4065 do_mkdirat+0x1bc/0x508 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __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: 3816 hardirqs last enabled at (3815): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (3815): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (3816): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (3810): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (3810): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (3769): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (3769): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (3769): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (3769): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace f97ed20d106f72e1 ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4952 at fs/hfsplus/bnode.c:682 hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:681 Modules linked in: CPU: 0 PID: 4952 Comm: syz.0.16 Tainted: G W 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:681 lr : hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:681 sp : ffff80001f9e73b0 x29: ffff80001f9e73c0 x28: 0000000000000000 x27: 00000000000001a2 x26: 0000000000000080 x25: dfff800000000000 x24: dfff800000000000 x23: ffff0000ebdbf1a2 x22: 0000000000000000 x21: ffff0000d96b8000 x20: 0000000000000000 x19: ffff0000c2327a00 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800008302168 x15: 00000000ffffffff x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 3484411c3a423500 x8 : 3484411c3a423500 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9e6c98 x4 : ffff80001425f420 x3 : ffff800008302278 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x404/0x4c8 fs/hfsplus/bnode.c:681 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+0x80c/0xdd4 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x148/0x258 fs/hfsplus/dir.c:494 hfsplus_mkdir+0x38/0x4c fs/hfsplus/dir.c:529 vfs_mkdir+0x314/0x4d4 fs/namei.c:4065 do_mkdirat+0x1bc/0x508 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __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: 3938 hardirqs last enabled at (3937): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (3938): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (3862): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (3862): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604 softirqs last disabled at (3819): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (3819): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (3819): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (3819): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659 ---[ end trace f97ed20d106f72e2 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:729! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4952 Comm: syz.0.16 Tainted: G W 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:729 lr : hfsplus_bnode_put+0x590/0x59c fs/hfsplus/bnode.c:729 sp : ffff80001f9e74a0 x29: ffff80001f9e74a0 x28: ffff0000c2326600 x27: dfff800000000000 x26: ffff700003f3cea8 x25: ffff80001f9e7540 x24: ffff0000d96b8000 x23: dfff800000000000 x22: 1fffe00018464f40 x21: 0000000000000000 x20: ffff0000c2327a80 x19: ffff0000c2327a00 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000082d6488 x15: 00000000ffffffff x14: 0000000000000001 x13: 1ffff0000283006b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008eb1df0 x8 : ffff0000c2a19b40 x7 : ffff80000a8eb864 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008eb18bc x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x590/0x59c fs/hfsplus/bnode.c:729 hfs_btree_inc_height+0x48c/0x8e0 fs/hfsplus/brec.c:530 hfsplus_brec_insert+0x5c8/0xaa8 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x80c/0xdd4 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x148/0x258 fs/hfsplus/dir.c:494 hfsplus_mkdir+0x38/0x4c fs/hfsplus/dir.c:529 vfs_mkdir+0x314/0x4d4 fs/namei.c:4065 do_mkdirat+0x1bc/0x508 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103 __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 97e62c46 17ffff74 97d71d8c (d4210000) ---[ end trace f97ed20d106f72e3 ]---