The kernel often crashes due to a use-after-free bug in [bmsensor] module

Issue

• The kernel crashes often.
• A crash due to GPF occurred in mem_cgroup_iter()

[787904.821362] general protection fault, probably for non-canonical address 0xe69009cd5fa05458: 0000 [#1] SMP PTI
[787904.821456] CPU: 0 PID: 390 Comm: kswapd0 Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-513.11.1.el8_9.x86_64 #1
[787904.821536] Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 07/18/2016
[787904.821590] RIP: 0010:mem_cgroup_iter+0x183/0x230
[787904.821637] Code: 81 e8 03 00 00 41 39 45 08 0f 85 51 ff ff ff eb b1 4d 85 e4 0f 85 05 ff ff ff 4c 89 e3 e9 ce fe ff ff 48 8b 40 18 a8 03 75 6c <65> 48 ff 00 e9 ec fe ff ff 48 89 f0 f0 49 0f b1 3f 48 8b b1 e0 03
[787904.821753] RSP: 0018:ffff944e8e24fcd8 EFLAGS: 00010246
[787904.821794] RAX: e69080e320205458 RBX: ffff88cb8196d000 RCX: ffff88cb8196d048
[787904.821842] RDX: 0000000000000001 RSI: ffff88cb49674000 RDI: ffff88cb8194e000
[787904.821890] RBP: ffff88cb4006e000 R08: 0000000000000000 R09: ffff88cb5495d488
[787904.821938] R10: 0000000000000000 R11: 0000000000000040 R12: ffff88cb8194e000
[787904.821985] R13: 0000000000000000 R14: ffff88cb8194e000 R15: ffff88eabffd5000
[787904.822033] FS:  0000000000000000(0000) GS:ffff88ea3f800000(0000) knlGS:0000000000000000
[787904.822088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[787904.822128] CR2: 00007f0558943044 CR3: 0000000378c10005 CR4: 00000000001706f0
[787904.822177] Call Trace:
[787904.822204]  ? __die_body+0x1a/0x60
[787904.822244]  ? die_addr+0x38/0x51
[787904.822275]  ? do_general_protection+0x135/0x280
[787904.822314]  ? general_protection+0x1e/0x30
[787904.822349]  ? mem_cgroup_iter+0x183/0x230
[787904.822386]  ? mem_cgroup_iter+0x58/0x230
[787904.822421]  shrink_node+0x196/0x710
[787904.822457]  balance_pgdat+0x2d7/0x550
[787904.822493]  kswapd+0x20b/0x3d0
[787904.822524]  ? finish_wait+0x80/0x80
[787904.822555]  ? balance_pgdat+0x550/0x550
[787904.822590]  kthread+0x134/0x150
[787904.822621]  ? set_kthread_struct+0x50/0x50
[787904.822656]  ret_from_fork+0x35/0x40
[787904.822693] Modules linked in: ...
        ...

• A crash due to GPF occurred in mutex_lock()

[133194.561051] general protection fault, probably for non-canonical address 0xbc80e5aeaee8bea3: 0000 [#1] SMP PTI
[133194.561130] CPU: 34 PID: 1 Comm: systemd Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-513.11.1.el8_9.x86_64 #1
[133194.561198] Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 07/18/2016
[133194.561244] RIP: 0010:mutex_lock+0x19/0x30
[133194.561278] Code: 00 0f 1f 44 00 00 be 02 00 00 00 e9 d1 fb ff ff 90 0f 1f 44 00 00 53 48 89 fb e8 02 e0 ff ff 31 c0 65 48 8b 14 25 40 dc 01 00 <f0> 48 0f b1 13 74 06 48 89 df 5b eb ca 5b c3 cc cc cc cc 0f 1f 40
[133194.561376] RSP: 0018:ffffb34c8c4bfe00 EFLAGS: 00010246
[133194.561411] RAX: 0000000000000000 RBX: bc80e5aeaee8bea3 RCX: ffff98a3064cc300
[133194.561453] RDX: ffff98c2066b5000 RSI: ffff98b8f32b6c28 RDI: bc80e5aeaee8bea3
[133194.561493] RBP: 0000000000000000 R08: ffff98c1fffd5000 R09: 0000000000000000
[133194.561534] R10: ffffb34c8c4bfed0 R11: 0000000000000000 R12: ffff98a3069d3800
[133194.561575] R13: bc80e5aeaee8babb R14: 0000000000000000 R15: 0000000000000000
[133194.561615] FS:  00007f696583d9c0(0000) GS:ffff98c17fd80000(0000) knlGS:0000000000000000
[133194.561662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[133194.561696] CR2: 000055c2da7c7000 CR3: 00000020a8174003 CR4: 00000000001706e0
[133194.561738] Call Trace:
[133194.561762]  ? __die_body+0x1a/0x60
[133194.561796]  ? die_addr+0x38/0x51
[133194.561822]  ? do_general_protection+0x135/0x280
[133194.561855]  ? general_protection+0x1e/0x30
[133194.561884]  ? mutex_lock+0x19/0x30
[133194.561910]  cgroup_pidlist_start+0x46/0x140
[133194.561942]  kernfs_seq_start+0x4d/0x90
[133194.561973]  seq_read+0xb2/0x420
[133194.561999]  vfs_read+0x91/0x150
[133194.562024]  ksys_read+0x4f/0xb0
[133194.562047]  do_syscall_64+0x5b/0x1b0
[133194.562079]  entry_SYSCALL_64_after_hwframe+0x61/0xc6
[133194.562115] RIP: 0033:0x7f6963bacd74
[133194.562144] Code: ff 77 53 c3 66 90 41 54 49 89 d4 55 48 89 f5 53 89 fb 48 83 ec 10 e8 5b 44 f0 ff 4c 89 e2 48 89 ee 89 df 41 89 c0 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 48 89 44 24 08 e8 97 44 f0 ff 48
[133194.562242] RSP: 002b:00007ffdf7299340 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[133194.562287] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6963bacd74
[133194.562328] RDX: 0000000000001000 RSI: 000055c2da92cd00 RDI: 0000000000000017
[133194.562369] RBP: 000055c2da92cd00 R08: 0000000000000000 R09: 000055c2da74a20e
[133194.562409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001000
[133194.562450] R13: 00007f6963e493a0 R14: 0000000000000000 R15: 0000000000000000
[133194.562492] Modules linked in: ...
        ...