On Mon, 17 May 2021 04:37:22 -0700 syzbot <syzbot+af4fa391ef18efdd5f69@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: d72cd4ad Merge tag 'scsi-misc' of > git://git.kernel.org/pub.. git tree: upstream > console output: > https://syzkaller.appspot.com/x/log.txt?x=107c2b85d00000 kernel > config: https://syzkaller.appspot.com/x/.config?x=337dc545ba10a406 > dashboard link: > https://syzkaller.appspot.com/bug?extid=af4fa391ef18efdd5f69 syz > repro: > https://syzkaller.appspot.com/x/repro.syz?x=1245a733d00000 C > reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f13de1d00000 > > IMPORTANT: if you fix the issue, please add the following tag to the > commit: Reported-by: > syzbot+af4fa391ef18efdd5f69@xxxxxxxxxxxxxxxxxxxxxxxxx > > BUG: memory leak > unreferenced object 0xffff8881112c1600 (size 192): > comm "kworker/1:5", pid 8088, jiffies 4294943845 (age 8.070s) > hex dump (first 32 bytes): > 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 00 00 00 00 00 00 00 00 18 16 2c 11 81 88 ff ff ..........,..... > backtrace: > [<ffffffff82baedf6>] kmalloc include/linux/slab.h:561 [inline] > [<ffffffff82baedf6>] usb_alloc_urb+0x66/0xe0 > drivers/usb/core/urb.c:74 [<ffffffff82f7cce8>] > zr364xx_start_readpipe+0x78/0x130 > drivers/media/usb/zr364xx/zr364xx.c:1022 [<ffffffff84251dfc>] > zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline] > [<ffffffff84251dfc>] zr364xx_probe+0x6a3/0x851 > drivers/media/usb/zr364xx/zr364xx.c:1516 [<ffffffff82bb6507>] > usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 > [<ffffffff826018a9>] really_probe+0x159/0x500 drivers/base/dd.c:576 > [<ffffffff82601cdb>] driver_probe_device+0x8b/0x100 > drivers/base/dd.c:763 [<ffffffff82602406>] > __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 > [<ffffffff825fe797>] bus_for_each_drv+0xb7/0x100 > drivers/base/bus.c:431 [<ffffffff82601f82>] > __device_attach+0x122/0x260 drivers/base/dd.c:938 > [<ffffffff82600436>] bus_probe_device+0xc6/0xe0 > drivers/base/bus.c:491 [<ffffffff825fc855>] device_add+0x5d5/0xd70 > drivers/base/core.c:3319 [<ffffffff82bb3aa9>] > usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 > [<ffffffff82bc3e3c>] usb_generic_driver_probe+0x8c/0xc0 > drivers/usb/core/generic.c:238 [<ffffffff82bb5c6c>] > usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 > [<ffffffff826018a9>] really_probe+0x159/0x500 drivers/base/dd.c:576 > [<ffffffff82601cdb>] driver_probe_device+0x8b/0x100 > drivers/base/dd.c:763 > #syz test https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/96/11196/1 > > > --- > 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 > With regards, Pavel Skripkin
