The kernel crashes due to the syscall table corruption that is most likely to be caused by the 3rd party security module

Solution Verified - Updated -

Issue

  • The kernel crashes due to the syscall table corruption that is most likely to be caused by the 3rd party security module
[236048.491378] Unable to handle kernel pointer dereference in virtual kernel address space
[236048.491383] Failing address: 0000000089295000 TEID: 0000000089295887
[236048.491384] Fault in home space mode while using kernel ASCE.
[236048.491386] AS:0000000289e50007 R3:00000007b3bcc007 S:0000000089203503 
[236048.491404] Oops: 0004 ilc:1 [#1] SMP 
[236048.491407] Modules linked in: lcs ctcm fsm zfcp scsi_transport_fc dasd_fba_mod seos_1410_40_17(POE) ext4 mbcache jbd2 ghash_s390 prng xts aes_s390 des_s390 des_generic qeth_l2 sha3_512_s390 sha3_256_s390 sha512_s390 vmur vfio_ccw vfio_mdev mdev vfio_iommu_type1 vfio auth_rpcgss sunrpc binfmt_misc xfs libcrc32c dasd_eckd_mod qeth qdio ccwgroup dasd_mod dm_mirror dm_region_hash dm_log dm_mod pkey zcrypt fuse
[236048.491424] CPU: 0 PID: 4307 Comm: seagent Kdump: loaded Tainted: P           OE    --------- -  - 4.18.0-305.45.1.el8_4.s390x #1
[236048.491427] Hardware name: IBM 8561 LT1 400 (z/VM 7.2.0)
[236048.491430] Krnl PSW : 0704e00180000000 0000000089295960 (0x89295960)
[236048.491446]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3
[236048.491451] Krnl GPRS: 00000000000001b8 00000000029e8af2 0000000000000009 000003ffe23fb498
[236048.491452]            000003ff8ccf1300 0000000000000002 000003ff8c59d8e0 ffffffffffffffff
[236048.491454]            0000000000000330 0000000089295960 00000002894a7ddc 000000079ccb7f48
[236048.491455]            0000000767096600 0000000000000cb8 00000002894a238a 000000079ccb7ea8
[236048.491462] Krnl Code: 000000008929595a: 3435       her %f3,%f5
                           000000008929595c: 3030       lper    %f3,%f0
                          #000000008929595e: 2020       lpdr    %f2,%f0
                          >0000000089295960: 2020       lpdr    %f2,%f0
                           0000000089295962: 2020       lpdr    %f2,%f0
                           0000000089295964: 2020       lpdr    %f2,%f0
                           0000000089295966: 2020       lpdr    %f2,%f0
                           0000000089295968: 2020       lpdr    %f2,%f0
[236048.491513] Call Trace:
[236048.491520] ([<00000002894a235e>] system_call+0x27a/0x2c8)
[236048.491520] Last Breaking-Event-Address:
[236048.491522]  [<00000002894a2388>] system_call+0x2a4/0x2c8
[236048.491523]  
[236048.491524] Kernel panic - not syncing: Fatal exception: panic_on_oops
[236048.491632] Unable to handle kernel pointer dereference in virtual kernel address space
[236048.491634] Failing address: 0000000088f88000 TEID: 0000000088f88887
[236048.491636] Fault in home space mode while using kernel ASCE.
[236048.491638] AS:0000000289e50007 R3:00000007b3bcc007 S:0000000088f03503 
[236048.491655] Oops: 0004 ilc:1 [#2] SMP 
[236048.491658] Modules linked in: lcs ctcm fsm zfcp scsi_transport_fc dasd_fba_mod seos_1410_40_17(POE) ext4 mbcache jbd2 ghash_s390 prng xts aes_s390 des_s390 des_generic qeth_l2 sha3_512_s390 sha3_256_s390 sha512_s390 vmur vfio_ccw vfio_mdev mdev vfio_iommu_type1 vfio auth_rpcgss sunrpc binfmt_misc xfs libcrc32c dasd_eckd_mod qeth qdio ccwgroup dasd_mod dm_mirror dm_region_hash dm_log dm_mod pkey zcrypt fuse
[236048.491670] CPU: 1 PID: 7319 Comm: policyfetcher Kdump: loaded Tainted: P      D    OE    --------- -  - 4.18.0-305.45.1.el8_4.s390x #1
[236048.491670] Hardware name: IBM 8561 LT1 400 (z/VM 7.2.0)
[236048.491672] Krnl PSW : 0704e00180000000 0000000088f88bf8 (0x88f88bf8)
[236048.491677]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3
[236048.491679] Krnl GPRS: 00000000000001b8 00000000029e8af2 0000000080321500 000003ffe7c7daf8
[236048.491680]            000003ffe7c7daf8 0000000000000027 0000000000000000 000000000000000b
[236048.491682]            0000000000000350 0000000088f88bf8 00000002894a7ddc 000000071e463f48
[236048.491684]            000000073727e600 0000000000000cb8 00000002894a238a 000000071e463ea8
[236048.491691] Krnl Code:>0000000088f88bf8: 0000       unknown
                           0000000088f88bfa: 0000       unknown
                           0000000088f88bfc: 0000       unknown
                           0000000088f88bfe: 0000       unknown
                           0000000088f88c00: 0000       unknown
                           0000000088f88c02: 0000       unknown
                           0000000088f88c04: 0000       unknown
                           0000000088f88c06: 0000       unknown
[236048.491715] Call Trace:
[236048.491717] ([<00000002894a235e>] system_call+0x27a/0x2c8)
[236048.491721] Last Breaking-Event-Address:
[236048.491723]  [<00000002894a2388>] system_call+0x2a4/0x2c8

Environment

  • Red Hat Enterprise Linux 8.4.z
    • kernel-4.18.0-305.45.1.el8_4.s390x
  • The security module namely seos_1410_40_17 is installed and loaded

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