Re: [syzbot] memory leak in mgmt_cmd_complete

From: syzbot
Date: Tue Aug 24 2021 - 20:31:27 EST

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syzbot has found a reproducer for the following issue on:

HEAD commit: 6e764bcd1cf7 Merge tag 'for-linus' of git://git.kernel.org..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=174af485300000
kernel config: https://syzkaller.appspot.com/x/.config?x=a938918bd15e088e
dashboard link: https://syzkaller.appspot.com/bug?extid=4c4ffd1e1094dae61035
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1355278d300000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=150997c5300000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4c4ffd1e1094dae61035@xxxxxxxxxxxxxxxxxxxxxxxxx

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.730s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.730s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.780s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.780s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.840s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.840s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.900s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.900s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.950s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 25.950s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 26.010s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 26.010s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 26.060s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 26.070s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff88811858bb00 (size 232):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 26.120s)
hex dump (first 32 bytes):
d0 14 3d 18 81 88 ff ff d0 14 3d 18 81 88 ff ff ..=.......=.....
00 00 00 00 00 00 00 00 00 14 3d 18 81 88 ff ff ..........=.....
backtrace:
[<ffffffff836e557f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888111f7c600 (size 512):
comm "kworker/u5:10", pid 8505, jiffies 4294950224 (age 26.120s)
hex dump (first 32 bytes):
01 00 03 00 07 00 05 00 00 82 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff836e544f>] kmalloc_reserve net/core/skbuff.c:355 [inline]
[<ffffffff836e544f>] __alloc_skb+0xdf/0x280 net/core/skbuff.c:426
[<ffffffff83d1c5ed>] alloc_skb include/linux/skbuff.h:1112 [inline]
[<ffffffff83d1c5ed>] mgmt_cmd_complete+0x3d/0x1a0 net/bluetooth/mgmt_util.c:146
[<ffffffff83cdc8ee>] send_settings_rsp net/bluetooth/mgmt.c:1129 [inline]
[<ffffffff83cdc8ee>] settings_rsp+0x5e/0x170 net/bluetooth/mgmt.c:1282
[<ffffffff83d1c8d6>] mgmt_pending_foreach+0x76/0xa0 net/bluetooth/mgmt_util.c:226
[<ffffffff83ce80bc>] __mgmt_power_off+0x5c/0x1e0 net/bluetooth/mgmt.c:8583
[<ffffffff83cb8786>] hci_dev_do_close+0x5b6/0x710 net/bluetooth/hci_core.c:1774
[<ffffffff812636d9>] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
[<ffffffff81263fc9>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422
[<ffffffff8126d428>] kthread+0x188/0x1d0 kernel/kthread.c:319
[<ffffffff810022cf>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

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