Kernel BUG at /opt/kaspersky/kav4fs/src/kernel/redirfs/rfs_inode.c:61!

Issue

• Kernel panic with following call traces.

kernel BUG at /opt/kaspersky/kav4fs/src/kernel/redirfs/rfs_inode.c:61!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map
CPU 3 
Modules linked in: nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 usb_storage ipmi_si kav4fs_oas(U) redirfs(U) mpt2sas scsi_transport_sas raid_class mptctl mptbase ipmi_devintf ipmi_msghandler dell_rbu nfp(U) autofs4 sunrpc ipv6 dm_mirror dm_region_hash dm_log uinput wmi power_meter hwmon ses enclosure sg dcdbas microcode shpchp bnx2 serio_raw ghes hed iTCO_wdt iTCO_vendor_support i7core_edac edac_core ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif ata_generic pata_acpi ata_piix megaraid_sas dm_mod [last unloaded: fat]

Modules linked in: nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 usb_storage ipmi_si kav4fs_oas(U) redirfs(U) mpt2sas scsi_transport_sas raid_class mptctl mptbase ipmi_devintf ipmi_msghandler dell_rbu nfp(U) autofs4 sunrpc ipv6 dm_mirror dm_region_hash dm_log uinput wmi power_meter hwmon ses enclosure sg dcdbas microcode shpchp bnx2 serio_raw ghes hed iTCO_wdt iTCO_vendor_support i7core_edac edac_core ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif ata_generic pata_acpi ata_piix megaraid_sas dm_mod [last unloaded: fat]
Pid: 6302, comm: arrfserver Not tainted 2.6.32-131.0.15.el6.x86_64 #1 PowerEdge R610
RIP: 0010:[<ffffffffa02c4298>]  [<ffffffffa02c4298>] rfs_inode_get+0x38/0x50 [redirfs]
RSP: 0000:ffff88041048b848  EFLAGS: 00010246
RAX: ffff8801947bf198 RBX: ffff8801f98184c0 RCX: ffff8801f98184f0
RDX: 0000000000000000 RSI: ffff88015fe8ba30 RDI: ffff8801947bf198
RBP: ffff88041048b848 R08: ffff88015fe89590 R09: dead000000200200
R10: 0000000000020000 R11: 000000000000000b R12: ffff88015fe8ba30
R13: ffff88041b5c8960 R14: ffff8801f98184c0 R15: ffff88041048b878
FS:  0000000000000000(0000) GS:ffff880036860000(0063) knlGS:00000000f53fab70
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000a9400000 CR3: 0000000410624000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process arrfserver (pid: 6302, threadinfo ffff88041048a000, task ffff88025b600100)
Stack:
 ffff88041048b868 ffffffffa02c5d69 ffff88041048b8a8 ffff88015fe8ba30
<0> ffff88041048b8f8 ffffffffa02c37a1 ffff88015fe89540 ffff8801f98184c0
<0> ffff88015fe894d0 ffff880036871300 ffffffff81a452c0 0000000000000007
Call Trace:
 [<ffffffffa02c5d69>] rfs_dcache_rinode_del+0x59/0x90 [redirfs]
 [<ffffffffa02c37a1>] rfs_d_iput+0xf1/0x1c0 [redirfs]
 [<ffffffff81188e6c>] dentry_iput+0x7c/0x100
 [<ffffffff81188fe1>] d_kill+0x31/0x60
 [<ffffffff81189376>] __shrink_dcache_sb+0x366/0x3c0
 [<ffffffff811894e9>] shrink_dcache_memory+0x119/0x1e0
 [<ffffffff81125ada>] shrink_slab+0x13a/0x1a0
 [<ffffffff81127dc6>] do_try_to_free_pages+0x2d6/0x500
 [<ffffffff811281df>] try_to_free_pages+0x9f/0x130
 [<ffffffff811292e0>] ? isolate_pages_global+0x0/0x380
 [<ffffffff8111fedd>] __alloc_pages_nodemask+0x40d/0x8b0
 [<ffffffff81165e58>] ? __mem_cgroup_try_charge+0x78/0x420
 [<ffffffff8115474a>] alloc_pages_vma+0x9a/0x150
 [<ffffffff8116d2ee>] do_huge_pmd_anonymous_page+0x13e/0x350
 [<ffffffff8113836a>] handle_mm_fault+0x24a/0x2a0
 [<ffffffff81103c56>] ? __perf_event_task_sched_out+0x36/0x50
 [<ffffffff81041529>] __do_page_fault+0x139/0x480
 [<ffffffff8100987e>] ? __switch_to+0x26e/0x320
 [<ffffffff814db337>] ? thread_return+0x4e/0x777
 [<ffffffff814e0c3e>] do_page_fault+0x3e/0xa0
 [<ffffffff814ddfe5>] page_fault+0x25/0x30
Code: 89 f8 75 07 c9 c3 0f 1f 44 00 00 48 81 ff 00 f0 ff ff 77 13 8b 97 24 01 00 00 85 d2 74 0d f0 ff 87 24 01 00 00 c9 c3 31 c0 c9 c3 <0f> 0b 66 0f 1f 44 00 00 eb f8 66 66 66 66 66 2e 0f 1f 84 00 00 
RIP  [<ffffffffa02c4298>] rfs_inode_get+0x38/0x50 [redirfs]
 RSP <ffff88041048b848>