Hello, syzbot found the following issue on:
HEAD commit: 2c87f7a3 Merge tag 'pwm/for-5.12-rc1' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16400946d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=3dfc598676a6f0b5 dashboard link: https://syzkaller.appspot.com/bug?extid=e7f4c64a4248a0340c37 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=123a6632d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1689a292d00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e7f4c64a4248a0340...@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff8881100c0300 (size 64): comm "kworker/0:3", pid 3861, jiffies 4294943205 (age 14.560s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00 00 ................ 08 00 00 00 68 01 00 00 28 01 00 00 04 00 00 00 ....h...(....... backtrace: [<000000004eb4188f>] kmalloc include/linux/slab.h:554 [inline] [<000000004eb4188f>] hdcs_probe_1x00 drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c:371 [inline] [<000000004eb4188f>] hdcs_probe_1x00.cold+0x39/0xc1 drivers/media/usb/gspca/stv06xx/stv06xx_hdcs.c:356 [<0000000031bd6da6>] stv06xx_config+0xdf/0x190 drivers/media/usb/gspca/stv06xx/stv06xx.c:571 [<000000007be62196>] gspca_dev_probe2+0x359/0x6c5 drivers/media/usb/gspca/gspca.c:1529 [<00000000afeef2a3>] gspca_dev_probe.cold+0x42/0x4a drivers/media/usb/gspca/gspca.c:1606 [<000000006d63a9d3>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<000000004f1fef67>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<00000000ced991e0>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<000000001687c39d>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [<0000000046da487b>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<00000000df1d85bd>] __device_attach+0x122/0x250 drivers/base/dd.c:914 [<00000000fa336975>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<000000002214a827>] device_add+0x5d5/0xc40 drivers/base/core.c:3242 [<00000000782f72d5>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<000000000815ea76>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<0000000028850013>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<000000004f1fef67>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches