diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2021-08-17 16:36:23 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-26 13:39:20 +0200 |
| commit | 7f85c16f40d8be5656fb3476909db5c3a5a9c6ea (patch) | |
| tree | 6b91b6e956c097ca0bbbfb26e5c6169807fed0ed /lib/mpi | |
| parent | e2cd76907fcc8c7438a50b4c44a8073f2228208c (diff) | |
usb: xhci-mtk: fix use-after-free of mtk->hcd
BUG: KASAN: use-after-free in usb_hcd_is_primary_hcd+0x38/0x60
Call trace:
dump_backtrace+0x0/0x3dc
show_stack+0x20/0x2c
dump_stack+0x15c/0x1d4
print_address_description+0x7c/0x510
kasan_report+0x164/0x1ac
__asan_report_load8_noabort+0x44/0x50
usb_hcd_is_primary_hcd+0x38/0x60
xhci_mtk_runtime_suspend+0x68/0x148
pm_generic_runtime_suspend+0x90/0xac
__rpm_callback+0xb8/0x1f4
rpm_callback+0x54/0x1d0
rpm_suspend+0x4e0/0xc84
__pm_runtime_suspend+0xc4/0x114
xhci_mtk_probe+0xa58/0xd00
This may happen when probe fails, needn't suspend it synchronously,
fix it by using pm_runtime_put_noidle().
Reported-by: Pi Hsun <pihsun@google.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629189389-18779-3-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/mpi')
0 files changed, 0 insertions, 0 deletions