From: syzbot <syzbot+6692c72009680f7c4eb2@syzkaller.appspotmail.com>
To: eli.billauer@gmail.com, gregkh@linuxfoundation.org,
gustavoars@kernel.org, ingrassia@epigenesys.com,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com,
tiwai@suse.de
Subject: memory leak in ath9k_hif_usb_firmware_cb
Date: Tue, 10 Nov 2020 10:25:18 -0800 [thread overview]
Message-ID: <0000000000000335e105b3c4cd69@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 407ab579 Merge tag 'for-linus' of git://git.kernel.org/pub..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=134dd026500000
kernel config: https://syzkaller.appspot.com/x/.config?x=a3f13716fa0212fd
dashboard link: https://syzkaller.appspot.com/bug?extid=6692c72009680f7c4eb2
compiler: gcc (GCC) 10.1.0-syz 20200507
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=163be156500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1775d04e500000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6692c72009680f7c4eb2@syzkaller.appspotmail.com
BUG: memory leak
unreferenced object 0xffff888109b4dc00 (size 192):
comm "kworker/1:2", pid 3705, jiffies 4294941906 (age 14.110s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 18 dc b4 09 81 88 ff ff ................
backtrace:
[<000000006422299c>] kmalloc include/linux/slab.h:557 [inline]
[<000000006422299c>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
[<000000007744b258>] ath9k_hif_usb_alloc_tx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:829 [inline]
[<000000007744b258>] ath9k_hif_usb_alloc_urbs+0x148/0x640 drivers/net/wireless/ath/ath9k/hif_usb.c:1008
[<000000006c8e4116>] ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1102 [inline]
[<000000006c8e4116>] ath9k_hif_usb_firmware_cb+0x88/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1235
[<00000000e5c70763>] request_firmware_work_func+0x47/0x90 drivers/base/firmware_loader/main.c:1079
[<0000000089bbfbae>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
[<00000000d58def96>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
[<000000001b9033f3>] kthread+0x178/0x1b0 kernel/kthread.c:292
[<000000001b3150ee>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
BUG: memory leak
unreferenced object 0xffff88810efed240 (size 192):
comm "kworker/1:2", pid 3705, jiffies 4294941906 (age 14.110s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 58 d2 fe 0e 81 88 ff ff ........X.......
backtrace:
[<000000006422299c>] kmalloc include/linux/slab.h:557 [inline]
[<000000006422299c>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
[<000000007744b258>] ath9k_hif_usb_alloc_tx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:829 [inline]
[<000000007744b258>] ath9k_hif_usb_alloc_urbs+0x148/0x640 drivers/net/wireless/ath/ath9k/hif_usb.c:1008
[<000000006c8e4116>] ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1102 [inline]
[<000000006c8e4116>] ath9k_hif_usb_firmware_cb+0x88/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1235
[<00000000e5c70763>] request_firmware_work_func+0x47/0x90 drivers/base/firmware_loader/main.c:1079
[<0000000089bbfbae>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
[<00000000d58def96>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
[<000000001b9033f3>] kthread+0x178/0x1b0 kernel/kthread.c:292
[<000000001b3150ee>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
BUG: memory leak
unreferenced object 0xffff88810efedb40 (size 192):
comm "kworker/1:2", pid 3705, jiffies 4294941906 (age 14.110s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 58 db fe 0e 81 88 ff ff ........X.......
backtrace:
[<000000006422299c>] kmalloc include/linux/slab.h:557 [inline]
[<000000006422299c>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
[<000000007744b258>] ath9k_hif_usb_alloc_tx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:829 [inline]
[<000000007744b258>] ath9k_hif_usb_alloc_urbs+0x148/0x640 drivers/net/wireless/ath/ath9k/hif_usb.c:1008
[<000000006c8e4116>] ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1102 [inline]
[<000000006c8e4116>] ath9k_hif_usb_firmware_cb+0x88/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1235
[<00000000e5c70763>] request_firmware_work_func+0x47/0x90 drivers/base/firmware_loader/main.c:1079
[<0000000089bbfbae>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
[<00000000d58def96>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
[<000000001b9033f3>] kthread+0x178/0x1b0 kernel/kthread.c:292
[<000000001b3150ee>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
BUG: memory leak
unreferenced object 0xffff88810efedf00 (size 192):
comm "kworker/1:2", pid 3705, jiffies 4294941906 (age 14.110s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 18 df fe 0e 81 88 ff ff ................
backtrace:
[<000000006422299c>] kmalloc include/linux/slab.h:557 [inline]
[<000000006422299c>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
[<000000007744b258>] ath9k_hif_usb_alloc_tx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:829 [inline]
[<000000007744b258>] ath9k_hif_usb_alloc_urbs+0x148/0x640 drivers/net/wireless/ath/ath9k/hif_usb.c:1008
[<000000006c8e4116>] ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1102 [inline]
[<000000006c8e4116>] ath9k_hif_usb_firmware_cb+0x88/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1235
[<00000000e5c70763>] request_firmware_work_func+0x47/0x90 drivers/base/firmware_loader/main.c:1079
[<0000000089bbfbae>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
[<00000000d58def96>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
[<000000001b9033f3>] kthread+0x178/0x1b0 kernel/kthread.c:292
[<000000001b3150ee>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
BUG: memory leak
unreferenced object 0xffff88810efedc00 (size 192):
comm "kworker/1:2", pid 3705, jiffies 4294941906 (age 14.110s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 18 dc fe 0e 81 88 ff ff ................
backtrace:
[<000000006422299c>] kmalloc include/linux/slab.h:557 [inline]
[<000000006422299c>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
[<000000007744b258>] ath9k_hif_usb_alloc_tx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:829 [inline]
[<000000007744b258>] ath9k_hif_usb_alloc_urbs+0x148/0x640 drivers/net/wireless/ath/ath9k/hif_usb.c:1008
[<000000006c8e4116>] ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1102 [inline]
[<000000006c8e4116>] ath9k_hif_usb_firmware_cb+0x88/0x1f0 drivers/net/wireless/ath/ath9k/hif_usb.c:1235
[<00000000e5c70763>] request_firmware_work_func+0x47/0x90 drivers/base/firmware_loader/main.c:1079
[<0000000089bbfbae>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
[<00000000d58def96>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
[<000000001b9033f3>] kthread+0x178/0x1b0 kernel/kthread.c:292
[<000000001b3150ee>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
---
This report is generated by a bot. It may contain errors.
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reply other threads:[~2020-11-10 18:25 UTC|newest]
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