Kernel panic at log_s_uuid() of 'veeamsnap' module.

Issue

• System panics with following kernel ring buffer logs:

[3034924.317691] veeamsnap:page_array | ERR | Failed to allocate page_array buffer
[3034924.317694] veeamsnap:snapstore  | ERR | Unable to create snapstore device: failed to initialize block description array, 268435200 blocks needed
[3034924.317709] BUG: unable to handle kernel NULL pointer dereference at 0000000000000031
[3034924.318399] IP: [<ffffffffc09f9185>] log_s_uuid+0x25/0xf0 [veeamsnap]
[3034924.319079] PGD 80000006f8712067 PUD 6f8256067 PMD 0 
[3034924.319747] Oops: 0000 [#1] SMP 
[3034924.320412] Modules linked in: veeamsnap(OE) arc4 md4 nls_utf8 cifs ccm binfmt_misc nfsv3 
--
[3034924.326149] CPU: 2 PID: 305934 Comm: Lpb Server thre Kdump: loaded Tainted: G           OE  ------------   3.10.0-862.14.4.el7.x86_64 #1
[3034924.327552] Hardware name: Dell Inc. PowerEdge R640/0CRT1G, BIOS 1.6.13 12/17/2018
[3034924.328246] task: ffff8c70da498000 ti: ffff8c6ed4f08000 task.ti: ffff8c6ed4f08000
[3034924.328935] RIP: 0010:[<ffffffffc09f9185>]  [<ffffffffc09f9185>] log_s_uuid+0x25/0xf0 [veeamsnap]
[3034924.329632] RSP: 0018:ffff8c6ed4f0bbf8  EFLAGS: 00010292
[3034924.330302] RAX: 0000000000000000 RBX: ffffffffc0a0cd48 RCX: 0000000000000030
[3034924.330968] RDX: ffffffffc0a0cd6d RSI: 0000000000000100 RDI: ffff8c6ed4f0bc68
[3034924.331625] RBP: ffff8c6ed4f0bd80 R08: 0000000000000000 R09: ffff8c8ac9b5c780
[3034924.332266] R10: ffff8c6dffc07800 R11: ffff8c6ed4f0b8ee R12: 0000000054522000
[3034924.332905] R13: ffff8c6eae208080 R14: 00000000fffffff4 R15: ffff8c8ac9b5d440
[3034924.333534] FS:  00007f9240ad4700(0000) GS:ffff8c845da40000(0000) knlGS:0000000000000000
[3034924.334163] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[3034924.334796] CR2: 0000000000000031 CR3: 00000006f8300000 CR4: 00000000007607e0
[3034924.335434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[3034924.336066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[3034924.336685] PKRU: 55555554
[3034924.337286] Call Trace:
[3034924.337882]  [<ffffffffc09f931b>] ? log_vformat+0x4b/0x70 [veeamsnap]
[3034924.338480]  [<ffffffff926caba4>] ? __wake_up+0x44/0x50
[3034924.339058]  [<ffffffffc09f8117>] ? _logging_buffer+0xb7/0x150 [veeamsnap]
[3034924.339640]  [<ffffffffc09f861c>] ? log_s+0x8c/0xd0 [veeamsnap]
[3034924.340219]  [<ffffffffc0a062f2>] ? log_err_format+0x62/0x80 [veeamsnap]
[3034924.340796]  [<ffffffffc0a0656d>] _snapstore_device_destroy+0x2d/0x90 [veeamsnap]
[3034924.341379]  [<ffffffffc0a067a9>] snapstore_device_create+0x149/0x1c0 [veeamsnap]
[3034924.341962]  [<ffffffffc0a04e3d>] snapstore_create+0x12d/0x230 [veeamsnap]
[3034924.342550]  [<ffffffffc0a0b53c>] ctrl_pipe_command_initiate+0x12c/0x380 [veeamsnap]
[3034924.343131]  [<ffffffffc0a0b8c9>] ctrl_pipe_write+0x139/0x150 [veeamsnap]
[3034924.343704]  [<ffffffffc0a0a89e>] ctrl_write+0x2e/0x60 [veeamsnap]
[3034924.344264]  [<ffffffff9281f240>] vfs_write+0xc0/0x1f0
[3034924.344824]  [<ffffffff9282006f>] SyS_write+0x7f/0xf0
[3034924.345374]  [<ffffffff92d2579b>] system_call_fastpath+0x22/0x27
[3034924.345923] Code: d1 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 54 41 89 f4 be 00 01 00 00 53 48 89 fb 48 8d bd e8 fe ff ff 48 81 ec 78 01 00 00 <44> 0f b6 49 01 44 0f b6 01 65 48 8b 04 25 28 00 00 00 48 89 45 
[3034924.347110] RIP  [<ffffffffc09f9185>] log_s_uuid+0x25/0xf0 [veeamsnap]
[3034924.347683]  RSP <ffff8c6ed4f0bbf8>
[3034924.348237] CR2: 0000000000000031