kernel panic occurred due to unable to handle kernel paging request in a system installing traps module

Solution Unverified - Updated -

Issue

  • Kernel panic occurred due to unable to handle kernel paging request at copy_mm().
PID: 228049   TASK: ffff8b2a4229ddc0  CPU: 0    COMMAND: "WdStaticPattern"
 #0 [ffffaced84323af0] machine_kexec at ffffffffad05982e
 #1 [ffffaced84323b48] __crash_kexec at ffffffffad158d8d
 #2 [ffffaced84323c10] crash_kexec at ffffffffad159c6d
 #3 [ffffaced84323c28] oops_end at ffffffffad021edd
 #4 [ffffaced84323c48] no_context at ffffffffad06872e
 #5 [ffffaced84323ca0] do_page_fault at ffffffffad069262
 #6 [ffffaced84323cd0] page_fault at ffffffffada0120e
    [exception RIP: copy_mm+1473]
    RIP: ffffffffad0ae3b1  RSP: ffffaced84323d88  RFLAGS: 00010286
    RAX: 0000000000000000  RBX: ffff8b2a1c3bc380  RCX: 0000000000000000
    RDX: ffffffffc09052c0  RSI: ffff8b2aca9e8000  RDI: ffff8b2a1c3bc380
    RBP: ffff8b2a4229be80   R8: ffffffffad2595a0   R9: ffff8b29e620da10
    R10: ffff8b2afffd6000  R11: 000000000002f5a0  R12: ffff8b2a325700e8
    R13: ffff8b2aca9e8000  R14: ffff8b2ac057d960  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #7 [ffffaced84323e08] copy_process at ffffffffad0af761
 #8 [ffffaced84323ec0] _do_fork at ffffffffad0b03a3
 #9 [ffffaced84323f38] do_syscall_64 at ffffffffad00419b
#10 [ffffaced84323f50] entry_SYSCALL_64_after_hwframe at ffffffffada000ad
    RIP: 00007f6d35b52e3c  RSP: 00007f6d12dd03e0  RFLAGS: 00000246
    RAX: ffffffffffffffda  RBX: 0000000000000001  RCX: 00007f6d35b52e3c
    RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000000001200011
    RBP: 0000000000000001   R8: 0000000000000000   R9: 00007f6d12dd2700
    R10: 00007f6d12dd29d0  R11: 0000000000000246  R12: 0000000000000001
    R13: 00007f6d24400198  R14: 0000000000000008  R15: 000000000000002f
    ORIG_RAX: 0000000000000038  CS: 0033  SS: 002b

Environment

  • Red Hat Enterprise Linux 8.2
  • traps kernel module

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