loop0: detected capacity change from 0 to 64 hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4361 at fs/hfs/bnode.c:432 hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 Modules linked in: CPU: 0 PID: 4361 Comm: syz-executor.0 Not tainted 5.15.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 lr : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 sp : ffff8000202f7510 x29: ffff8000202f7520 x28: ffff0000e1258000 x27: 00000000000000f8 x26: ffff0000e12580f8 x25: dfff800000000000 x24: 1ffff0000405eeb8 x23: 0000000000000000 x22: ffff0000cdbea0e0 x21: ffff0000cdbea000 x20: 0000000000000000 x19: ffff0000cccfd800 x18: 1fffe0003683178e x17: 1fffe0003683178e x16: ffff800011ac0310 x15: ffff800014b6fa40 x14: 1ffff0000295a06a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 16ed08e9e2917400 x8 : 16ed08e9e2917400 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a983ebc x2 : ffff0001b418bd10 x1 : 0000000100000000 x0 : 000000000000001f Call trace: hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431 hfs_bmap_alloc+0x5c0/0x6b4 fs/hfs/btree.c:288 hfs_bnode_split+0xcc/0xd88 fs/hfsplus/brec.c:245 hfs_brec_insert+0x2bc/0x97c fs/hfs/brec.c:102 hfs_cat_create+0x340/0x844 fs/hfs/catalog.c:118 hfs_mkdir+0x70/0xe4 fs/hfs/dir.c:232 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: 2328 hardirqs last enabled at (2327): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (2327): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4781 hardirqs last disabled at (2328): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (2212): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (2210): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace e5802766311d486a ]--- ------------[ cut here ]------------ kernel BUG at fs/hfs/bnode.c:479! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4361 Comm: syz-executor.0 Tainted: G W 5.15.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 lr : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 sp : ffff8000202f77b0 x29: ffff8000202f77b0 x28: 0000000000000036 x27: ffff0000cccfd800 x26: ffff0000cccfd800 x25: ffff0000cdbea000 x24: 1fffe0001999fb00 x23: dfff800000000000 x22: ffff0000cdbea000 x21: ffff0000cccfd880 x20: 0000000000000000 x19: ffff0000cccfd800 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800008fe0580 x15: 00000000000000ff x14: ffff0000cd240000 x13: 0000000020000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000cd240000 x8 : ffff800008fdee8c x7 : 0000000000000008 x6 : 0000100000000025 x5 : ffff0000cd61b64d x4 : ffff0000e1258688 x3 : ffff800008fdead0 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479 hfs_brec_insert+0x648/0x97c fs/hfs/brec.c:162 hfs_cat_create+0x340/0x844 fs/hfs/catalog.c:118 hfs_mkdir+0x70/0xe4 fs/hfs/dir.c:232 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 97e3daef 17ffffa5 97d3951d (d4210000) ---[ end trace e5802766311d486b ]---