On Tue, Jan 9, 2018 at 9:44 AM, 'Dmitry Vyukov' via syzkaller <syzkaller@xxxxxxxxxxxxxxxx> wrote: > Hello, > > syzkaller has hit the following memory leak on 4.15-rc7. > Reproducer is attached. > > unferenced object 0xffff88007bbaa720 (size 32): > comm "syz-executor4", pid 12479, jiffies 4295951917 (age 9.779s) > hex dump (first 32 bytes): > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<00000000ce041e0c>] kmemleak_alloc_recursive > include/linux/kmemleak.h:55 [inline] > [<00000000ce041e0c>] slab_post_alloc_hook mm/slab.h:440 [inline] > [<00000000ce041e0c>] slab_alloc_node mm/slub.c:2725 [inline] > [<00000000ce041e0c>] slab_alloc mm/slub.c:2733 [inline] > [<00000000ce041e0c>] kmem_cache_alloc_trace+0x126/0x290 mm/slub.c:2750 > [<0000000052b69e97>] kmalloc include/linux/slab.h:499 [inline] > [<0000000052b69e97>] kzalloc include/linux/slab.h:688 [inline] > [<0000000052b69e97>] sctp_endpoint_init net/sctp/endpointola.c:66 [inline] > [<0000000052b69e97>] sctp_endpoint_new+0x16d/0xef0 > net/sctp/endpointola.c:195 > [<00000000b78002d9>] sctp_init_sock+0xc18/0x13e0 net/sctp/socket.c:4490 > [<00000000fe5de849>] inet6_create+0xba7/0x1290 net/ipv6/af_inet6.c:255 > [<00000000bb006173>] __sock_create+0x521/0x920 net/socket.c:1265 > [<00000000a8d6fbc0>] sock_create net/socket.c:1305 [inline] > [<00000000a8d6fbc0>] SYSC_socket net/socket.c:1335 [inline] > [<00000000a8d6fbc0>] SyS_socket+0x102/0x1f0 net/socket.c:1315 This could be probably fixed by the patch "Fix a leak in socket(2) when we fail to allocate a file descriptor." too. -- 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
