RHEL7: "leapp preupgrade" crashes when upgrading a system which has an entry for /proc or /sys in /etc/fstab

Solution Verified - Updated -

Issue

  • When upgrading a system to RHEL8, a crash occurs while executing leapp preupgrade command

    [TIMESTAMP] Call Trace:
    [TIMESTAMP]  [<ffffffff8525fda3>] ? nd_jump_link+0x23/0x50
    [TIMESTAMP]  [<ffffffff852c8536>] proc_pid_follow_link+0x86/0x90
    [TIMESTAMP]  [<ffffffffc08f55bf>] ovl_follow_link+0xef/0x110 [overlay]
    [TIMESTAMP]  [<ffffffff852593e3>] generic_readlink+0x53/0xd0
    [TIMESTAMP]  [<ffffffff8524fd28>] ? __sb_start_write+0x58/0x120
    [TIMESTAMP]  [<ffffffff8524fc91>] ? __sb_end_write+0x31/0x70
    [TIMESTAMP]  [<ffffffff8526afa0>] ? touch_atime+0x120/0x220
    [TIMESTAMP]  [<ffffffff85253201>] SyS_readlinkat+0x111/0x150
    [TIMESTAMP]  [<ffffffff8525325b>] SyS_readlink+0x1b/0x20
    [TIMESTAMP]  [<ffffffff85792ed2>] system_call_fastpath+0x25/0x2a
    

Environment

  • Red Hat Entreprise Linux (RHEL) 7
    • leapp

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