https://github.com/torvalds/linux
Revision c75ab8a55ac1083c232e4407f52b0cadae6c1e0e authored by shamir rabinovitch on 16 December 2018, 07:01:09 UTC, committed by David S. Miller on 19 December 2018, 18:27:58 UTC
per comment from Leon in rdma mailing list https://lkml.org/lkml/2018/10/31/312 : Please don't forget to remove user triggered WARN_ON. https://lwn.net/Articles/769365/ "Greg Kroah-Hartman raised the problem of core kernel API code that will use WARN_ON_ONCE() to complain about bad usage; that will not generate the desired result if WARN_ON_ONCE() is configured to crash the machine. He was told that the code should just call pr_warn() instead, and that the called function should return an error in such situations. It was generally agreed that any WARN_ON() or WARN_ON_ONCE() calls that can be triggered from user space need to be fixed." in addition harden rds_sendmsg to detect and overcome issues with invalid sg count and fail the sendmsg. Suggested-by: Leon Romanovsky <leon@kernel.org> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: shamir rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Tip revision: c75ab8a55ac1083c232e4407f52b0cadae6c1e0e authored by shamir rabinovitch on 16 December 2018, 07:01:09 UTC
net/rds: remove user triggered WARN_ON in rds_sendmsg
net/rds: remove user triggered WARN_ON in rds_sendmsg
Tip revision: c75ab8a
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| Kconfig | -rw-r--r-- | 3.5 KB |
| Makefile | -rw-r--r-- | 5.2 KB |
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