Kernel panic due to hitting a bug in the following modules zm_assert(), az_vmem_exit_mm(), az_free_l4_ptes().

Issue

• Kernel panic after updating the kernel to latest version.

kernel BUG at /xx/ZST/5.7.x-zst/xxx/rhel6/linux-zmd/rpmbuild/BUILD/zing-md-2.6.32/zm_adapter.c:610!
invalid opcode: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/online
CPU 3 
Modules linked in: zing_mm(U) ipv6 vsock(U) dm_multipath ppdev parport_pc parport microcode vmware_balloon vmci(U) sg i2c_piix4 shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom vmxnet3 vmw_pvscsi pata_acpi ata_generic ata_piix vmwgfx ttm drm_kms_helper drm i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]

Pid: 3084, comm: java Not tainted 2.6.32-696.18.7.el6.x86_64 #1 VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform
RIP: 0010:[<ffffffffa038adfd>]  [<ffffffffa038adfd>] zm_assert+0x1d/0x30 [zing_mm]
RSP: 0018:ffff880065677b38  EFLAGS: 00010296
RAX: 00000000000000a2 RBX: ffff880234857280 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000246
RBP: ffff880065677b38 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81649fa0 R11: ffff8802354769bf R12: 000000000001f682
R13: 0000000000000002 R14: 0000000000000080 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88002f6c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 000000304123d990 CR3: 0000000001a8e000 CR4: 00000000000607e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process java (pid: 3084, threadinfo ffff880065674000, task ffff88006566cab0)
Stack:
 ffff880065677b88 ffffffffa0395a73 ffff880065677b48 0000000000000000
<d> ffff8800655819c0 ffff880234857280 ffff880234857280 ffff880234abaa38
<d> ffff880238edb300 ffff880236c271c0 ffff880065677ba8 ffffffffa038da96
Call Trace:
 [<ffffffffa0395a73>] az_vmem_exit_mm+0xd3/0x190 [zing_mm]
 [<ffffffffa038da96>] az_exit_mms+0x16/0x30 [zing_mm]
 [<ffffffffa0389d56>] zm_exit_mm_struct+0x26/0x80 [zing_mm]
 [<ffffffff8119c125>] __fput+0xf5/0x210
 [<ffffffff8119c265>] fput+0x25/0x30
 [<ffffffff8119736d>] filp_close+0x5d/0x90
 [<ffffffff8107fe1f>] put_files_struct+0x7f/0xf0
 [<ffffffff8107fee3>] exit_files+0x53/0x70
 [<ffffffff8108201d>] do_exit+0x18d/0x850
 [<ffffffff810a71a0>] ? autoremove_wake_function+0x0/0x40
 [<ffffffff81082738>] do_group_exit+0x58/0xd0
 [<ffffffff81098726>] get_signal_to_deliver+0x1f6/0x460
 [<ffffffff8100a265>] do_signal+0x75/0x870
 [<ffffffff81070000>] ? init_sched_build_groups+0x90/0x1a0
 [<ffffffff8154b0cd>] ? printk+0x4f/0x52
 [<ffffffff8154f760>] ? error_swapgs+0x181/0x18d
 [<ffffffff8154f759>] ? error_swapgs+0x17a/0x18d
 [<ffffffff8154f752>] ? error_swapgs+0x173/0x18d
 [<ffffffff8100aaf0>] do_notify_resume+0x90/0xc0
 [<ffffffff815573cc>] retint_signal+0x48/0x8c
Code: 83 c4 08 5b c9 c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 0f 1f 44 00 00 85 ff 74 02 c9 c3 48 c7 c7 00 f0 39 a0 31 c0 e8 81 02 1c e1 <0f> 0b eb fe 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 
RIP  [<ffffffffa038adfd>] zm_assert+0x1d/0x30 [zing_mm]
 RSP <ffff880065677b38>