Hi,
Occasionally, I have this bug when I play a movie. I have to restart the Plex docker to continue watching the movie.
Other dockers are working without problem. I have this bug just with this Plex docker.
[138418.486045] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038
[138418.486658] IP: tcp_push+0x4e/0xee
[138418.486970] PGD 8000000104be6067 P4D 8000000104be6067 PUD 1487d5067 PMD 0
[138418.487294] Oops: 0002 [#1] PREEMPT SMP PTI
[138418.487607] Modules linked in: xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables vhost_net tun vhost tap xt_nat veth ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_filter ip_tables nf_nat xfs md_mod it87 hwmon_vid bonding r8169 mii intel_powerclamp coretemp kvm_intel kvm crc32c_intel intel_cstate intel_uncore i2c_i801 i2c_core mxm_wmi ahci i7core_edac libahci pata_jmicron wmi button acpi_cpufreq [last unloaded: mii]
[138418.489695] CPU: 7 PID: 18395 Comm: Plex Media Serv Tainted: G I 4.14.26-unRAID #1
[138418.490289] Hardware name: Gigabyte Technology Co., Ltd. X58A-UD7/X58A-UD7, BIOS F2 11/10/2009
[138418.490882] task: ffff88014658bfc0 task.stack: ffffc9000201c000
[138418.491207] RIP: 0010:tcp_push+0x4e/0xee
[138418.491526] RSP: 0018:ffffc9000201fc70 EFLAGS: 00010246
[138418.491850] RAX: 0000000000000000 RBX: 00000000000005a8 RCX: 0000000000000000
[138418.492177] RDX: 0000000000000000 RSI: 0000000000004040 RDI: ffff880059a53000
[138418.492504] RBP: 0000000000000000 R08: 00000000000005a8 R09: ffffffff8151be00
[138418.492824] R10: ffff880059a53158 R11: 0000000000000000 R12: ffff880059a53000
[138418.493146] R13: 0000000000000000 R14: ffff88014c885c00 R15: 00000000ffffffe0
[138418.493467] FS: 00001462c31fe700(0000) GS:ffff8801993c0000(0000) knlGS:0000000000000000
[138418.493792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[138418.494113] CR2: 0000000000000038 CR3: 0000000103aa6000 CR4: 00000000000006e0
[138418.494433] Call Trace:
[138418.494748] tcp_sendmsg_locked+0xa53/0xbac
[138418.495064] tcp_sendmsg+0x23/0x35
[138418.495375] sock_sendmsg+0x14/0x1e
[138418.495690] ___sys_sendmsg+0x1ab/0x229
[138418.496005] ? seccomp_run_filters+0xdc/0x106
[138418.496320] ? generic_file_read_iter+0x595/0x6e4
[138418.496634] ? __seccomp_filter+0x26/0x1c5
[138418.496952] ? dput+0x30/0x190
[138418.497265] ? __sys_sendmsg+0x3c/0x5d
[138418.497576] __sys_sendmsg+0x3c/0x5d
[138418.497890] do_syscall_64+0xfe/0x107
[138418.498205] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[138418.498521] RIP: 0033:0x1462cff3ea6d
[138418.498831] RSP: 002b:00001462c31fd320 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
[138418.499154] RAX: ffffffffffffffda RBX: 00001462c31fd350 RCX: 00001462cff3ea6d
[138418.499476] RDX: 0000000000004000 RSI: 00001462c31fd350 RDI: 0000000000000055
[138418.499797] RBP: 00001462c31fd350 R08: 00001462b3806498 R09: 00001462b38064a8
[138418.500118] R10: 0000000000000001 R11: 0000000000000293 R12: 00001462c31fe5b8
[138418.500438] R13: 0000000000000001 R14: 0000000000000001 R15: 00001462b3806498
[138418.500761] Code: d0 75 02 31 c0 41 89 f3 41 81 e3 00 80 00 00 74 1a 44 8b 8f 68 05 00 00 41 d1 e9 44 2b 8f 6c 06 00 00 44 03 8f 74 06 00 00 79 10 <80> 48 38 08 8b 8f 6c 06 00 00 89 8f 74 06 00 00 40 80 e6 01 74
[138418.501691] RIP: tcp_push+0x4e/0xee RSP: ffffc9000201fc70
[138418.502014] CR2: 0000000000000038
[138418.502350] ---[ end trace 7ef9ab90b7be7027 ]---