Messages in this thread | | | Date | Mon, 13 May 2013 12:39:51 -0500 | From | Larry Finger <> | Subject | V3.10-rc1 memory leak |
| |
Using v3.10-rc1-68-g2d3ec09, I am getting many instances of the following from kmemleak:
unreferenced object 0xffff8800b546dc30 (size 48): comm "systemd-udevd", pid 2181, jiffies 4294899141 (age 274.096s) hex dump (first 32 bytes): 00 dc 46 b5 00 88 ff ff d0 ff 5b a0 ff ff ff ff ..F.......[..... 1c 3b 5b a0 ff ff ff ff 12 3a 5b a0 ff ff ff ff .;[......:[..... backtrace: [<ffffffff81432e81>] kmemleak_alloc+0x21/0x50 [<ffffffff81143c2b>] kmem_cache_alloc+0x11b/0x270 [<ffffffff810e9ee0>] __trace_define_field+0x40/0xd0 [<ffffffff810e9fc5>] trace_define_field+0x55/0x70 [<ffffffffa05e6ba0>] 0xffffffffa05e6ba0 [<ffffffff810ea735>] event_create_dir+0x2e5/0x480 [<ffffffff810ea920>] __trace_add_new_event+0x50/0x80 [<ffffffff810eacf9>] __add_event_to_tracers+0x69/0xc0 [<ffffffff810eb4e1>] trace_module_notify+0x1e1/0x2f0 [<ffffffff8106e8f5>] notifier_call_chain+0x55/0x110 [<ffffffff8106eb27>] __blocking_notifier_call_chain+0x67/0xc0 [<ffffffff8106eb91>] blocking_notifier_call_chain+0x11/0x20 [<ffffffff810af792>] load_module+0x19e2/0x24b0 [<ffffffff810b0317>] SyS_init_module+0xb7/0xe0 [<ffffffff814499d2>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff
These appear to be real leaks, but I am not familiar with this section of the code, and they could be false indications.
This mail is sent to all authors of patches incorporated in kernel/trace/trace_events.c in 2013. Kernel 3.9 did not show this problem.
Thanks,
Larry
| |