Description: mISDN: fix use-after-free bugs in l1oip timer handlers References: Notes: carnil> For 6.0.y fixed as well in 6.0.3. Bugs: upstream: released (6.1-rc1) [2568a7e0832ee30b0a351016d03062ab4e0e0a3f] 5.10-upstream-stable: released (5.10.150) [2a1d0363208528a3bacbc2c37264d60182efd482] 4.19-upstream-stable: released (4.19.262) [27f74a47d5b1cf52d48af15993bb1caa31ad8f5b] sid: released (6.0.3-1) 5.10-bullseye-security: released (5.10.158-1) 4.19-buster-security: released (4.19.269-1)