Re: ext4: BUG: scheduling while atomic in ext4_commit_super

2016-02-10 Thread Jan Kara
On Sun 24-01-16 17:48:00, Dmitry Vyukov wrote: > Hello, > > I've hit the following BUG while running syzkaller fuzzer: > > JBD2: Spotted dirty metadata buffer (dev = sda, blocknr = 1). There's > a risk of filesystem corruption in case of system crash. > EXT4-fs error (device sda): ext4_init_block

ext4: BUG: scheduling while atomic in ext4_commit_super

2016-01-24 Thread Dmitry Vyukov
Hello, I've hit the following BUG while running syzkaller fuzzer: JBD2: Spotted dirty metadata buffer (dev = sda, blocknr = 1). There's a risk of filesystem corruption in case of system crash. EXT4-fs error (device sda): ext4_init_block_bitmap:194: comm kworker/u10:2: Checksum bad for group 3 BUG