Kernel panic at 'cxiStartIO+0x70' due to involvement of third party module [mmfslinux].

Issue

• Kernel panic occurred at cxiStartIO() function due to 3rd party module [mmfslinux]
• Kernel panics with following messages:

[348963.925577] BUG: Unable to handle kernel data access at 0xfffffffffffffffa
[348963.925584] Faulting instruction address: 0xc00800000955d1e8
[348963.925591] Oops: Kernel access of bad area, sig: 11 [#1]
[348963.925594] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries
[348963.925600] Modules linked in: ib_core overlay nf_tables nfnetlink mmfs26(OE) mmfslinux(OE) tracedev(OE) rpadlpar_io rpaphp nfsv3 nfs_acl rpcsec_gss_krb5 xsk_diag nfsv4 dns_resolver nfs lockd grace fscache netfs bonding tls rfkill binfmt_misc pseries_rng auth_rpcgss drm sunrpc drm_panel_orientation_quirks xfs libcrc32c dm_round_robin sd_mod t10_pi sg ibmvfc scsi_transport_fc ibmveth vmx_crypto pseries_wdt dm_multipath dm_mirror dm_region_hash dm_log dm_mod fuse
[348963.925647] CPU: 5 PID: 259446 Comm: mmfsd Kdump: loaded Tainted: G           OE     -------  ---  5.14.0-503.38.1.el9_5.ppc64le #1
[348963.925652] NIP:  c00800000955d1e8 LR: c00800000955d1e8 CTR: c0000000004ba4e0
[348963.925654] REGS: c0000007549c7560 TRAP: 0380   Tainted: G           OE     -------  ---   (5.14.0-503.38.1.el9_5.ppc64le)
[348963.925657] MSR:  8000000000009033 <SF,EE,ME,IR,DR,RI,LE>  CR: 84442230  XER: 00000000
[348963.925664] CFAR: c0080000095217e8 IRQMASK: 0
                GPR00: c00800000955d1e8 c0000007549c7800 c008000009598000 fffffffffffffffa
                GPR04: 0000000000cda7f6 c0000006ebf02190 0000000000000000 c000000efd9b4e98
                GPR08: 0000000000cda7f5 0000000000000000 0000000000000000 c00800000956c188
                GPR12: c0000000004ba4e0 c000000effff9080 c008000009deb708 c008000009bfc084
                GPR16: c008000009bfc198 c008000009deb738 0000000000000000 c008000009deb5c8
                GPR20: c0000000833d8680 0000000000000001 c0000007549c7b10 c008000007d79ef0
                GPR24: c00800000837d500 0000000000000060 0000000000000000 c008000009bfc198
                GPR28: c00800000837d500 0000000000000000 0000000000000060 c00800000837d500
[348963.925688] NIP [c00800000955d1e8] cxiStartIO+0x70/0xaa4 [mmfslinux]
[348963.925718] LR [c00800000955d1e8] cxiStartIO+0x70/0xaa4 [mmfslinux]
[348963.925739] Call Trace:
[348963.925816] [c0000007549c7800] [c00800000955d1e8] cxiStartIO+0x70/0xaa4 [mmfslinux] (unreliable)
[348963.925892] [c0000007549c7990] [c008000009bfd1fc] _ZN9DiskSched7localIOEPP15MBDoDiskIOParmsiiP15KernelOperation+0x558/0xb6c [mmfs26]
[348963.925931] [c0000007549c7af0] [c008000009bfdb4c] kxLocalIO+0x17c/0x264 [mmfs26]
[348963.925964] [c0000007549c7b70] [c008000009cd6674] _Z8ss_ioctljm+0x73c/0x1f5c [mmfs26]
[348963.926085] [c0000007549c7c60] [c008000009537ca8] doSSIoctl+0x500/0x7bc [mmfslinux]
[348963.926140] [c0000007549c7d40] [c008000009537f88] ss_fs_unlocked_ioctl+0x24/0x3c [mmfslinux]
[348963.926165] [c0000007549c7d60] [c0000000005f57f4] sys_ioctl+0xf4/0x160
[348963.926176] [c0000007549c7db0] [c00000000002ef44] system_call_exception+0x164/0x310
[348963.926183] [c0000007549c7e10] [c00000000000bfe8] system_call_vectored_common+0xe8/0x278
[348963.926190] --- interrupt: 3000 at 0x7fff8813c204
[348963.926194] NIP:  00007fff8813c204 LR: 0000000000000000 CTR: 0000000000000000
[348963.926196] REGS: c0000007549c7e80 TRAP: 3000   Tainted: G           OE     -------  ---   (5.14.0-503.38.1.el9_5.ppc64le)
[348963.926199] MSR:  800000000280f033 <SF,VEC,VSX,EE,PR,FP,ME,IR,DR,RI,LE>  CR: 42442234  XER: 00000000
[348963.926207] IRQMASK: 0
                GPR00: 0000000000000036 00007ffd9b9ec700 0000000011d96c00 0000000000000004
                GPR04: 000000000000001b 00007ffd9b9ec780 000000007fffffff 000000006818c9d8
                GPR08: 0000000000100000 0000000000000000 0000000000000000 0000000000000000
                GPR12: 0000000000000000 00007ffd9ba05ea0 00007ffd9b9ed098 00000000121824f8
                GPR16: 00000000121a50b8 0000000000000001 00007ffd9b9ecc98 00007ffd9b9ecc90
                GPR20: 00000000121824f8 0000000030701c4d 0000000000000001 0000000000000000
                GPR24: 0000000000000000 0000018009a2dac0 0000000000000000 0000000030701c4c
                GPR28: 000001800837d500 00007ffd9b9eca70 0000000011d8f1a8 00007ffe8004f480