memory leak in uvcg_extension_ba_source_id

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision	Error
4b98066f	assessment-security	DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌	❓	memory leak in uvcg_extension_ba_source_id_store	2026/07/30 17:48	2026/07/30 17:48	2026/07/30 18:16	aaffb173

Title	Replies (including bot)	Last reply
[syzbot] [usb?] memory leak in uvcg_extension_ba_source_id_store	0 (1)	2026/07/31 17:15

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2026/07/31 17:15

BUG: memory leak unreferenced object 0xffff88810ddbd588 (size 8): comm "syz.1.37", pid 6113, jiffies 4294948281 hex dump (first 8 bytes): 01 00 00 00 00 00 00 00 ........ backtrace (crc ccaa009e): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4597 [inline] slab_alloc_node mm/slub.c:4917 [inline] __do_kmalloc_node mm/slub.c:5333 [inline] __kmalloc_noprof+0x3bf/0x550 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kmalloc_array_noprof include/linux/slab.h:1208 [inline] uvcg_extension_ba_source_id_store+0xee/0x180 drivers/usb/gadget/function/uvc_configfs.c:1058 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x10d/0x1a0 fs/configfs/file.c:229 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x3ac/0x720 fs/read_write.c:687 ksys_write+0xa5/0x170 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/07/30 17:48	upstream	11028ab62899	2377cd3d	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image]	ci-upstream-gce-leak	memory leak in uvcg_extension_ba_source_id_store

Crashes (1):