memory leak in fdb

Title	Replies (including bot)	Last reply
[PATCH 3.16 000/148] 3.16.82-rc1 review	151 (151)	2020/02/09 18:51
[PATCH 4.19 00/47] 4.19.91-stable review	52 (52)	2019/12/20 18:49
[PATCH 4.14 00/36] 4.14.160-stable review	41 (41)	2019/12/20 18:48
[PATCH 4.9 000/199] 4.9.207-stable review	204 (204)	2019/12/20 18:47
[PATCH 4.4 000/162] 4.4.207-stable review	167 (167)	2019/12/20 18:47
[PATCH 5.4 00/37] 5.4.5-stable review	48 (48)	2019/12/19 08:45
[PATCH 5.3 00/25] 5.3.18-stable review	30 (30)	2019/12/18 21:00
[PATCH net] net: bridge: deny dev_set_mac_address() when unregistering	2 (2)	2019/12/03 19:22
memory leak in fdb_create (2)	1 (2)	2019/12/02 20:20

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	memory leak in fdb_create bridge	C	done		4	1721d	1761d	12/26	fixed on 2019/08/27 17:15

upstream

memory leak in fdb_create bridge

done

1721d

1761d

12/26

fixed on 2019/08/27 17:15

BUG: memory leak unreferenced object 0xffff888124fa7080 (size 128): comm "syz-executor163", pid 7170, jiffies 4294954254 (age 12.500s) hex dump (first 32 bytes): d1 16 b6 1f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ aa aa aa aa aa 0c 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000001bbce457>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<000000001bbce457>] slab_post_alloc_hook mm/slab.h:586 [inline] [<000000001bbce457>] slab_alloc mm/slab.c:3319 [inline] [<000000001bbce457>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<000000005e78ed69>] fdb_create+0x37/0x530 net/bridge/br_fdb.c:498 [<000000009cc867aa>] fdb_insert+0xb2/0xf0 net/bridge/br_fdb.c:537 [<00000000a443c9ff>] br_fdb_change_mac_address+0x80/0x1f0 net/bridge/br_fdb.c:316 [<00000000370e41a8>] br_stp_change_bridge_id+0x4c/0x190 net/bridge/br_stp_if.c:223 [<00000000db15c550>] br_set_mac_address+0xa2/0xb0 net/bridge/br_device.c:251 [<00000000547a827c>] dev_set_mac_address+0xdd/0x150 net/core/dev.c:8350 [<0000000068a207bd>] __bond_release_one.cold+0x319/0x4ac drivers/net/bonding/bond_main.c:2055 [<00000000189411c7>] bond_slave_netdev_event drivers/net/bonding/bond_main.c:3169 [inline] [<00000000189411c7>] bond_netdev_event+0x2ac/0x2c0 drivers/net/bonding/bond_main.c:3280 [<000000002bd5677b>] notifier_call_chain+0x66/0xb0 kernel/notifier.c:95 [<0000000044f0058c>] __raw_notifier_call_chain kernel/notifier.c:396 [inline] [<0000000044f0058c>] raw_notifier_call_chain+0x2e/0x40 kernel/notifier.c:403 [<000000009782bbd6>] call_netdevice_notifiers_info net/core/dev.c:1893 [inline] [<000000009782bbd6>] call_netdevice_notifiers_info+0x60/0xb0 net/core/dev.c:1878 [<000000005904fef6>] call_netdevice_notifiers_extack net/core/dev.c:1905 [inline] [<000000005904fef6>] call_netdevice_notifiers net/core/dev.c:1919 [inline] [<000000005904fef6>] rollback_registered_many+0x373/0x640 net/core/dev.c:8743 [<00000000806944eb>] unregister_netdevice_many.part.0+0x17/0x90 net/core/dev.c:9906 [<00000000c0997ee2>] unregister_netdevice_many+0x24/0x30 net/core/dev.c:9905 [<0000000042445981>] rtnl_delete_link+0x63/0xa0 net/core/rtnetlink.c:2926