Hello,
we encountered a problem of barebox tag 2015.05.0, which is also
reproducible with tag 2016.01.0. Mounting an UBIFS file system partition
fails (correctly) and barebox crashes while cleaning up. The call
hierarchy is
as follows:
-mount() (fs/fs.c:1243): try to mount ubifs partition; call
register_device()
--register_device() (drivers/base/driver.c:138):
---match() (drivers/base/driver.c:117): look for a suitable device driver
----device_probe() (drivers/base/driver.c:82): ubifs partition fails to
mount due to corrupted LEB
----device_probe(): delete device's 'active' list ('list_del(&dev->active)')
---match(): set device driver to NULL and return -1 to register_device()
--register_device(): return 0 (success) to mount()
-mount(): check device driver and call unregister_device() due to
invalid driver
--unregister_device() (drivers/base/driver.c:180): delete device's
'active' list the second time -> crash
Barebox does not crash if drivers/base/driver.c:92, i.e., list deletion
in device_probe(), is removed. Is the removal of the list deletion a
valid solution or does this have side effects?
With regards,
Martin Däumler
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