loop0: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4857 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 Modules linked in: CPU: 1 PID: 4857 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 lr : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 sp : ffff8000205e7270 x29: ffff8000205e7280 x28: ffff0000e5f150f8 x27: ffff0000e5f15000 x26: 00000000000000f8 x25: dfff800000000000 x24: 0000000000000040 x23: 0000000000000000 x22: ffff0000c7bba0e0 x21: ffff0000c7bba000 x20: 0000000000000000 x19: ffff0000cf2e3200 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011b5ac80 x15: 00000000ffffffff x14: ffff0000d5ca51c0 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : d798bcfd61017600 x8 : d798bcfd61017600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000205e69d8 x4 : ffff800014c4fe40 x3 : ffff80000aa1313c x2 : ffff0001b4194d10 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 hfsplus_bmap_alloc+0x5a4/0x698 fs/hfsplus/btree.c:414 hfs_bnode_split+0xcc/0xd88 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x2d4/0xaa0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0xa68/0x1330 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x14c/0x268 fs/hfsplus/dir.c:494 hfsplus_mkdir+0x38/0x4c fs/hfsplus/dir.c:529 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 4092 hardirqs last enabled at (4091): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (4092): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (4006): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (4004): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace dd7823c86596e66b ]--- hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4857 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 Modules linked in: CPU: 1 PID: 4857 Comm: syz.0.16 Tainted: G W 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 lr : hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 sp : ffff8000205e72b0 x29: ffff8000205e72c0 x28: ffff0000e5f151a2 x27: ffff0000e5f15000 x26: 00000000000001a2 x25: dfff800000000000 x24: 0000000000000000 x23: 0000000000000000 x22: ffff0000c7bba0e0 x21: ffff0000c7bba000 x20: 0000000000000000 x19: ffff0000cf2e3200 x18: 1fffe0003683298e x17: 1fffe0003683298e x16: ffff8000082ed0ac x15: ffff800014c0f2a0 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000000000 x9 : d798bcfd61017600 x8 : d798bcfd61017600 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008046154 x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000023 Call trace: hfsplus_bnode_create+0x428/0x4ec fs/hfsplus/bnode.c:583 hfsplus_bmap_alloc+0x5a4/0x698 fs/hfsplus/btree.c:414 hfs_btree_inc_height+0xf8/0xa60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x594/0xaa0 fs/hfsplus/brec.c:148 hfsplus_create_cat+0xa68/0x1330 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x14c/0x268 fs/hfsplus/dir.c:494 hfsplus_mkdir+0x38/0x4c fs/hfsplus/dir.c:529 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 4266 hardirqs last enabled at (4265): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (4265): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4783 hardirqs last disabled at (4266): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (4186): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (4186): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (4095): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (4095): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (4095): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (4095): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace dd7823c86596e66c ]--- ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:631! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4857 Comm: syz.0.16 Tainted: G W 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 lr : hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 sp : ffff8000205e73c0 x29: ffff8000205e73c0 x28: dfff800000000000 x27: ffff7000040bce90 x26: 1fffe00018f77403 x25: ffff0000c7bba000 x24: 1fffe00019e5c640 x23: dfff800000000000 x22: ffff0000cf2e3200 x21: ffff0000cf2e3280 x20: 0000000000000000 x19: ffff0000cf2e3200 x18: 1fffe0003683298e x17: 1fffe0003683298e x16: ffff80000824f3a0 x15: ffff800014c0f2a0 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000d5ca51c0 x8 : ffff800008fc9b98 x7 : ffff80000abe0b08 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008fc966c x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfsplus_bnode_put+0x588/0x594 fs/hfsplus/bnode.c:631 hfs_btree_inc_height+0x4fc/0xa60 fs/hfsplus/brec.c:530 hfsplus_brec_insert+0x594/0xaa0 fs/hfsplus/brec.c:148 hfsplus_create_cat+0xa68/0x1330 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x14c/0x268 fs/hfsplus/dir.c:494 hfsplus_mkdir+0x38/0x4c fs/hfsplus/dir.c:529 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065 do_mkdirat+0x20c/0x610 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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: aa1403e0 97e4385b 17ffff77 97d3edd1 (d4210000) ---[ end trace dd7823c86596e66d ]---