Hello, syzbot found the following issue on: HEAD commit: 3b5e1590a267 Merge tag 'gpio-fixes-for-v5.18' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11ae2bfdf00000 kernel config: https://syzkaller.appspot.com/x/.config?x=50f4d49cdcacc43c dashboard link: https://syzkaller.appspot.com/bug?extid=5e53f70e69ff0c0a1c0c compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152799c5f00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128ba38df00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5e53f70e69ff0c0a1c0c@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff88810c87a400 (size 96): comm "syz-executor416", pid 3611, jiffies 4294957452 (age 13.060s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 a4 87 0c 81 88 ff ff ................ 08 a4 87 0c 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff81bae93e>] kmalloc include/linux/slab.h:581 [inline] [<ffffffff81bae93e>] autofs_wait+0x3fe/0x9a0 fs/autofs/waitq.c:378 [<ffffffff81bafbf7>] autofs_do_expire_multi+0xa7/0x3e0 fs/autofs/expire.c:593 [<ffffffff81baff83>] autofs_expire_multi+0x53/0x80 fs/autofs/expire.c:619 [<ffffffff81bad942>] autofs_root_ioctl_unlocked+0x322/0x3b0 fs/autofs/root.c:905 [<ffffffff81bada65>] autofs_root_ioctl+0x25/0x30 fs/autofs/root.c:918 [<ffffffff815e422c>] vfs_ioctl fs/ioctl.c:51 [inline] [<ffffffff815e422c>] __do_sys_ioctl fs/ioctl.c:870 [inline] [<ffffffff815e422c>] __se_sys_ioctl fs/ioctl.c:856 [inline] [<ffffffff815e422c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856 [<ffffffff84565f05>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84565f05>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
