loop2: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7407 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 Modules linked in: CPU: 1 UID: 0 PID: 7407 Comm: syz.2.176 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 lr : hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 sp : ffff80009fd86ad0 x29: ffff80009fd86ae0 x28: 1ffff00013fb0d68 x27: dfff800000000000 x26: 0000000000000000 x25: 0000000000000080 x24: 0000000000000000 x23: ffff0000e06215f8 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000cdf82000 x19: ffff0000c5fc7700 x18: 1fffe000337d6476 x17: 0000000000000000 x16: ffff80008af01c68 x15: 0000000000000001 x14: 1ffff00013fb0cd0 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000001baa1 x9 : 62bc0c1633662400 x8 : 62bc0c1633662400 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009fd86458 x4 : ffff80008f776bc0 x3 : ffff8000807bbc78 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x384/0x430 fs/hfsplus/bnode.c:578 (P) hfsplus_bmap_alloc+0x43c/0x4cc fs/hfsplus/btree.c:415 hfs_btree_inc_height+0xf8/0x8e0 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x108/0xaa8 fs/hfsplus/brec.c:75 hfsplus_create_attr+0x2e8/0x368 fs/hfsplus/attributes.c:252 __hfsplus_setxattr+0x910/0x1e88 fs/hfsplus/xattr.c:354 hfsplus_initxattrs+0x18c/0x244 fs/hfsplus/xattr_security.c:59 security_inode_init_security+0x6dc/0x7f4 security/security.c:1852 hfsplus_init_security+0x40/0x54 fs/hfsplus/xattr_security.c:71 hfsplus_fill_super+0x109c/0x1714 fs/hfsplus/super.c:568 get_tree_bdev_flags+0x360/0x414 fs/super.c:1681 get_tree_bdev+0x2c/0x3c fs/super.c:1704 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:640 vfs_get_tree+0x90/0x28c fs/super.c:1804 do_new_mount+0x228/0x814 fs/namespace.c:3902 path_mount+0x5b4/0xde0 fs/namespace.c:4226 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount fs/namespace.c:4427 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4427 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 2482 hardirqs last enabled at (2481): [] __up_console_sem kernel/printk/printk.c:344 [inline] hardirqs last enabled at (2481): [] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2885 hardirqs last disabled at (2482): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (2252): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (2252): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (2237): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:624! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 7407 Comm: syz.2.176 Tainted: G W 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:624 lr : hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:624 sp : ffff80009fd86ba0 x29: ffff80009fd86ba0 x28: 0000000000000000 x27: dfff800000000000 x26: ffff700013fb0d88 x25: ffff80009fd86c40 x24: 1fffe00018bf8ee0 x23: ffff0000cdf82000 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000c5fc7780 x19: ffff0000c5fc7700 x18: 1fffe000337d6476 x17: 0000000000000000 x16: ffff80008af01c68 x15: 0000000000000001 x14: 1fffe00018bf8ef0 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 000000000003c3ac x9 : ffff8000a588d000 x8 : 000000000003c3ad x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000812ae6fc x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x490/0x49c fs/hfsplus/bnode.c:624 (P) hfs_btree_inc_height+0x48c/0x8e0 fs/hfsplus/brec.c:530 hfsplus_brec_insert+0x108/0xaa8 fs/hfsplus/brec.c:75 hfsplus_create_attr+0x2e8/0x368 fs/hfsplus/attributes.c:252 __hfsplus_setxattr+0x910/0x1e88 fs/hfsplus/xattr.c:354 hfsplus_initxattrs+0x18c/0x244 fs/hfsplus/xattr_security.c:59 security_inode_init_security+0x6dc/0x7f4 security/security.c:1852 hfsplus_init_security+0x40/0x54 fs/hfsplus/xattr_security.c:71 hfsplus_fill_super+0x109c/0x1714 fs/hfsplus/super.c:568 get_tree_bdev_flags+0x360/0x414 fs/super.c:1681 get_tree_bdev+0x2c/0x3c fs/super.c:1704 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:640 vfs_get_tree+0x90/0x28c fs/super.c:1804 do_new_mount+0x228/0x814 fs/namespace.c:3902 path_mount+0x5b4/0xde0 fs/namespace.c:4226 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount fs/namespace.c:4427 [inline] __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4427 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 Code: aa1403e0 97e632a7 17ffffb4 97d1bfa4 (d4210000) ---[ end trace 0000000000000000 ]---