Hello, syzbot found the following issue on: HEAD commit: 20cf903a0c40 Merge tag 'for-6.0/dm-changes-2' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14fbfa46080000 kernel config: https://syzkaller.appspot.com/x/.config?x=9f3121e03e34975 dashboard link: https://syzkaller.appspot.com/bug?extid=bb25f85e5aa482864dc0 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15cb43fa080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=165877f2080000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+bb25f85e5aa482864dc0@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff88810afb7300 (size 128): comm "kworker/0:1", pid 44, jiffies 4294946315 (age 14.410s) 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: [<ffffffff8316980e>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8316980e>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8316980e>] airspy_probe+0x8e/0x200 drivers/media/usb/airspy/airspy.c:981 [<ffffffff82d83457>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff8277ff2d>] call_driver_probe drivers/base/dd.c:530 [inline] [<ffffffff8277ff2d>] really_probe+0x12d/0x390 drivers/base/dd.c:609 [<ffffffff8278024f>] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:748 [<ffffffff827802fa>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:778 [<ffffffff82780c46>] __device_attach_driver+0xf6/0x140 drivers/base/dd.c:901 [<ffffffff8277d127>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427 [<ffffffff827806d2>] __device_attach+0x102/0x2d0 drivers/base/dd.c:973 [<ffffffff8277ed96>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487 [<ffffffff8277b152>] device_add+0x642/0xe60 drivers/base/core.c:3517 [<ffffffff82d80892>] usb_set_configuration+0x8f2/0xb80 drivers/usb/core/message.c:2170 [<ffffffff82d9121c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<ffffffff82d82b2c>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<ffffffff8277ff2d>] call_driver_probe drivers/base/dd.c:530 [inline] [<ffffffff8277ff2d>] really_probe+0x12d/0x390 drivers/base/dd.c:609 [<ffffffff8278024f>] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:748 [<ffffffff827802fa>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:778 --- 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 syzkaller@xxxxxxxxxxxxxxxx. 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
