git.proxmox.com Git - mirror_ubuntu-kernels.git/commit

author	Dave Jones <davej@redhat.com>
	Fri, 13 Jul 2012 17:35:36 +0000 (13:35 -0400)
committer	Linus Torvalds <torvalds@linux-foundation.org>
	Fri, 13 Jul 2012 17:50:23 +0000 (10:50 -0700)
commit	8d657eb3b43861064d36241e88d9d61c709f33f0
tree	4f50a3fbb59cc9a794092c1f549b6bbc6510ce74	tree
parent	39ea32ca7e425cde24df04f34bf76746ea028681	commit \| diff

Remove easily user-triggerable BUG from generic_setlease

This can be trivially triggered from userspace by passing in something unexpected.

    kernel BUG at fs/locks.c:1468!
    invalid opcode: 0000 [#1] SMP
    RIP: 0010:generic_setlease+0xc2/0x100
    Call Trace:
      __vfs_setlease+0x35/0x40
      fcntl_setlease+0x76/0x150
      sys_fcntl+0x1c6/0x810
      system_call_fastpath+0x1a/0x1f

Signed-off-by: Dave Jones <davej@redhat.com>
Cc: stable@kernel.org # 3.2+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>