Martin Mokrejs <mmokrejs@xxxxxxxxxxxxxxxxxx> writes: > Martin Mokrejs wrote: >> Hi Eric, >> >> Eric W. Biederman wrote: >>> Martin Mokrejs <mmokrejs@xxxxxxxxxxxxxxxxxx> writes: >>> >>>> David Miller wrote: >>>>> From: ebiederm@xxxxxxxxxxxx (Eric W. Biederman) >>>>> Date: Sun, 27 Jan 2013 19:25:11 -0800 >>>>> >>>>>> The typo is fixed in the patch this time in addition to my test >>>>>> tree. >>>>> >>>>> Applied, thanks for fixing this up Eric. > >> So I haven't tested the patch yet. doh. Provided I am running 3 days without reproducing >> the original memleak on an unpatched kernel I doubt I can easily prove it after a reboot. > > Umm, I spoke too early. It did happen again during these 3 days on unpatched 3.7.4: > > unreferenced object 0xffff880402769030 (size 2048): > comm "chrome_sandbox", pid 4720, jiffies 4294966701 (age 285697.590s) > hex dump (first 32 bytes): > b2 68 89 81 ff ff ff ff 20 84 4f d8 03 88 ff ff .h...... .O..... > 04 00 00 00 a4 01 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<ffffffff815b4aad>] kmemleak_alloc+0x21/0x3e > [<ffffffff81110352>] slab_post_alloc_hook+0x28/0x2a > [<ffffffff81113fad>] __kmalloc_track_caller+0xf1/0x104 > [<ffffffff810f10c2>] kmemdup+0x1b/0x30 > [<ffffffff81571e9f>] sctp_sysctl_net_register+0x1f/0x72 > [<ffffffff8155d305>] sctp_net_init+0x100/0x39f > [<ffffffff814ad53c>] ops_init+0xc6/0xf5 > [<ffffffff814ad5b7>] setup_net+0x4c/0xd0 > [<ffffffff814ada5e>] copy_net_ns+0x6d/0xd6 > [<ffffffff810938b1>] create_new_namespaces+0xd7/0x147 > [<ffffffff810939f4>] copy_namespaces+0x63/0x99 > [<ffffffff81076733>] copy_process+0xa65/0x1233 > [<ffffffff81077030>] do_fork+0x10b/0x271 > [<ffffffff8100a0e9>] sys_clone+0x23/0x25 > [<ffffffff815dda73>] stub_clone+0x13/0x20 > [<ffffffffffffffff>] 0xffffffffffffffff > > But I won't make it to a reboot in next 2-3 days to test the patch v2, sorry. No biggy the logic remains the same and the fix in the patch is clrearly needed from an inspection of the code. Eric -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
