memory leak in vhci

Title	Replies (including bot)	Last reply
[PATCH v2] Bluetooth: L2CAP: Fix memory leak in vhci_write	2 (2)	2022/10/18 20:00
[PATCH] Bluetooth: L2CAP: Fix memory leak in vhci_write	3 (3)	2022/10/18 01:16
[syzbot] memory leak in vhci_write	0 (1)	2022/08/20 11:58

Title

Replies (including bot)

Last reply

[PATCH v2] Bluetooth: L2CAP: Fix memory leak in vhci_write

2 (2)

2022/10/18 20:00

[PATCH] Bluetooth: L2CAP: Fix memory leak in vhci_write

3 (3)

2022/10/18 01:16

[syzbot] memory leak in vhci_write

0 (1)

2022/08/20 11:58


Created	Duration	User	Patch	Repo	Result
2022/10/18 01:45	16m	yin31149@gmail.com	patch	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master	OK log
2022/10/16 14:29	17m	yin31149@gmail.com	patch	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master	OK log

BUG: memory leak unreferenced object 0xffff88810d81ac00 (size 240): comm "syz-executor219", pid 3615, jiffies 4294947117 (age 12.320s) 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: [<ffffffff838733d9>] __alloc_skb+0x1f9/0x270 net/core/skbuff.c:418 [<ffffffff833f742f>] alloc_skb include/linux/skbuff.h:1257 [inline] [<ffffffff833f742f>] bt_skb_alloc include/net/bluetooth/bluetooth.h:469 [inline] [<ffffffff833f742f>] vhci_get_user drivers/bluetooth/hci_vhci.c:391 [inline] [<ffffffff833f742f>] vhci_write+0x5f/0x230 drivers/bluetooth/hci_vhci.c:511 [<ffffffff815e398d>] call_write_iter include/linux/fs.h:2192 [inline] [<ffffffff815e398d>] new_sync_write fs/read_write.c:491 [inline] [<ffffffff815e398d>] vfs_write+0x42d/0x540 fs/read_write.c:578 [<ffffffff815e3cdd>] ksys_write+0x9d/0x160 fs/read_write.c:631 [<ffffffff845e0645>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff845e0645>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd