loop0: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6715 at fs/hfsplus/bnode.c:630 hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 Modules linked in: CPU: 1 UID: 0 PID: 6715 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 lr : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 sp : ffff80009db36cb0 x29: ffff80009db36cc0 x28: 00000000000006f8 x27: dfff800000000000 x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000080 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000c7070000 x19: ffff0000c88efc00 x18: 00000000ffffffff x17: ffff800093304000 x16: ffff800082debb40 x15: 0000000000000001 x14: 1ffff00013b66d10 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013b66d11 x10: 0000000000ff0100 x9 : 20092fbbc5437800 x8 : 20092fbbc5437800 x7 : ffff8000805653c0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6834 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 (P) hfsplus_bmap_alloc+0x55c/0x858 fs/hfsplus/btree.c:421 hfs_bnode_split+0xc8/0xcb4 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x2f0/0xaf4 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x324/0xe98 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:580 get_tree_bdev_flags+0x360/0x414 fs/super.c:1691 get_tree_bdev+0x2c/0x3c fs/super.c:1714 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:659 vfs_get_tree+0x90/0x28c fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x284/0x944 fs/namespace.c:3727 path_mount+0x5b4/0xdfc fs/namespace.c:4037 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount fs/namespace.c:4215 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4215 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 3846 hardirqs last enabled at (3845): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (3846): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (3782): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (3782): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (3703): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6715 at fs/hfsplus/bnode.c:630 hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 Modules linked in: CPU: 1 UID: 0 PID: 6715 Comm: syz.0.17 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 lr : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 sp : ffff80009db36d10 x29: ffff80009db36d20 x28: 000000000000001c x27: dfff800000000000 x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000080 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000c7070000 x19: ffff0000c88efc00 x18: 00000000ffffffff x17: ffff800093304000 x16: ffff800082debbc8 x15: 0000000000000001 x14: 1ffff00013b66d1c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000761 x10: 0000000000ff0100 x9 : 20092fbbc5437800 x8 : 20092fbbc5437800 x7 : ffff8000805653c0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807d6834 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:629 (P) hfsplus_bmap_alloc+0x55c/0x858 fs/hfsplus/btree.c:421 hfs_btree_inc_height+0xf8/0x8e0 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x63c/0xaf4 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x324/0xe98 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:580 get_tree_bdev_flags+0x360/0x414 fs/super.c:1691 get_tree_bdev+0x2c/0x3c fs/super.c:1714 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:659 vfs_get_tree+0x90/0x28c fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x284/0x944 fs/namespace.c:3727 path_mount+0x5b4/0xdfc fs/namespace.c:4037 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount fs/namespace.c:4215 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4215 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 3980 hardirqs last enabled at (3979): [] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214 hardirqs last disabled at (3980): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (3968): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (3968): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (3849): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:675! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 6715 Comm: syz.0.17 Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x568/0x71c fs/hfsplus/bnode.c:675 lr : hfsplus_bnode_put+0x568/0x71c fs/hfsplus/bnode.c:675 sp : ffff80009db36df0 x29: ffff80009db36e00 x28: ffff0000c88ef900 x27: dfff800000000000 x26: ffff700013b66dd4 x25: 1fffe0001911df80 x24: ffff0000c7070000 x23: dfff800000000000 x22: 1fffe0001911df90 x21: 0000000000000000 x20: ffff0000c88efc80 x19: ffff0000c88efc00 x18: 00000000ffffffff x17: ffff800093304000 x16: ffff800080537b20 x15: 0000000000000001 x14: 1fffe0001911df90 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001911df91 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c1d80000 x7 : ffff80008ad68480 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008130a4e8 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x568/0x71c fs/hfsplus/bnode.c:675 (P) hfs_btree_inc_height+0x48c/0x8e0 fs/hfsplus/brec.c:530 hfsplus_brec_insert+0x63c/0xaf4 fs/hfsplus/brec.c:148 hfsplus_create_cat+0x324/0xe98 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:580 get_tree_bdev_flags+0x360/0x414 fs/super.c:1691 get_tree_bdev+0x2c/0x3c fs/super.c:1714 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:659 vfs_get_tree+0x90/0x28c fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x284/0x944 fs/namespace.c:3727 path_mount+0x5b4/0xdfc fs/namespace.c:4037 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount fs/namespace.c:4215 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4215 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: d2d00017 f2fbfff7 17fffebe 97d0b0af (d4210000) ---[ end trace 0000000000000000 ]---