netlink: 8 bytes leftover after parsing attributes in process `syz.1.216'. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7421 at fs/notify/fanotify/fanotify.h:216 fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline] WARNING: CPU: 1 PID: 7421 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:661 [inline] WARNING: CPU: 1 PID: 7421 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_event fs/notify/fanotify/fanotify.c:825 [inline] WARNING: CPU: 1 PID: 7421 at fs/notify/fanotify/fanotify.h:216 fanotify_handle_event+0x2440/0x3a64 fs/notify/fanotify/fanotify.c:952 Modules linked in: CPU: 1 UID: 0 PID: 7421 Comm: syz.1.216 Not tainted 6.14.0-rc2-syzkaller-ga64dcfb451e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline] pc : fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:661 [inline] pc : fanotify_alloc_event fs/notify/fanotify/fanotify.c:825 [inline] pc : fanotify_handle_event+0x2440/0x3a64 fs/notify/fanotify/fanotify.c:952 lr : fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline] lr : fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:661 [inline] lr : fanotify_alloc_event fs/notify/fanotify/fanotify.c:825 [inline] lr : fanotify_handle_event+0x2440/0x3a64 fs/notify/fanotify/fanotify.c:952 sp : ffff8000a19f7120 x29: ffff8000a19f7340 x28: 0000000000000178 x27: 1ffff0001433ee60 x26: ffff0000d98c1e88 x25: 0000000000000000 x24: 0000000000000178 x23: 0000000000000014 x22: 0000000000000010 x21: ffff0000d5f2f400 x20: dfff800000000000 x19: ffff0000d5f2f440 x18: ffff8000a19f6c80 x17: 000000000002ad1a x16: ffff80008b718448 x15: 0000000000000001 x14: 1fffe0001abe5e87 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 00000000000089cf x9 : ffff8000a46db000 x8 : 00000000000089d0 x7 : 0000000000000000 x6 : ffff8000801574bc x5 : 00000000ffffffff x4 : 0000000000000002 x3 : 0000000000000000 x2 : 0000000000000010 x1 : 0000000000000178 x0 : 00000000000000ff Call trace: fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline] (P) fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:661 [inline] (P) fanotify_alloc_event fs/notify/fanotify/fanotify.c:825 [inline] (P) fanotify_handle_event+0x2440/0x3a64 fs/notify/fanotify/fanotify.c:952 (P) send_to_group fs/notify/fsnotify.c:415 [inline] fsnotify+0x11b8/0x1ec8 fs/notify/fsnotify.c:628 __fsnotify_parent+0x364/0x474 fs/notify/fsnotify.c:282 fsnotify_parent include/linux/fsnotify.h:96 [inline] fsnotify_path include/linux/fsnotify.h:113 [inline] fsnotify_file include/linux/fsnotify.h:127 [inline] fsnotify_open include/linux/fsnotify.h:445 [inline] vfs_open+0x224/0x2d8 fs/open.c:1093 do_open fs/namei.c:3830 [inline] path_openat+0x2308/0x2b1c fs/namei.c:3989 do_filp_open+0x1e8/0x404 fs/namei.c:4016 do_sys_openat2+0x124/0x1b8 fs/open.c:1428 do_sys_open fs/open.c:1443 [inline] __do_sys_openat fs/open.c:1459 [inline] __se_sys_openat fs/open.c:1454 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1454 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 76632 hardirqs last enabled at (76631): [<ffff80008b7d7938>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (76631): [<ffff80008b7d7938>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (76632): [<ffff80008b7b3b54>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (76484): [<ffff8000801285a4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (76482): [<ffff800080128570>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---