LKML: Sergei Zviagintsev: [PATCH] kdbus: pool: use __vfs_read()After commit 5d5d56897530 ("make new_sync_{read,write}() static") ->read() cannot be called directly. kdbus_pool_slice_copy() leads to oops, which can be reproduced by launching tools/testing/selftests/kdbus/kdbus-test -t message-quota: [ 1167.146793] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1167.147554] IP: [< (null)>] (null) [ 1167.148670] PGD 3a9dd067 PUD 3a841067 PMD 0
