Kernel panic in SMB2_sess_setup() after a CIFS filesystem got disconnected
This document (7023105) is provided subject to the disclaimer at the end of this document.
Environment
SUSE Linux Enterprise Server 12 Service Pack 3 (SLES 12 SP3)
Situation
PID: 6705 TASK: ffff88003680c8c0 CPU: 1 COMMAND: "kworker/1:0"
#0 [ffff88012ad4f9c0] machine_kexec at ffffffff81058fdc
#1 [ffff88012ad4fa10] __crash_kexec at ffffffff8111782a
#2 [ffff88012ad4fad0] crash_kexec at ffffffff811178fc
#3 [ffff88012ad4fae0] oops_end at ffffffff8101a604
#4 [ffff88012ad4fb00] no_context at ffffffff81066e77
#5 [ffff88012ad4fb50] __do_page_fault at ffffffff81067975
#6 [ffff88012ad4fbb8] do_page_fault at ffffffff81067dcb
#7 [ffff88012ad4fbe0] page_fault at ffffffff81619402
[exception RIP: SMB2_sess_setup+0x3a8]
RIP: ffffffffa04b4a88 RSP: ffff88012ad4fc98 RFLAGS: 00010296
RAX: 000000000000005b RBX: ffff8800af1ea000 RCX: ffffea0002d4a620
RDX: 000000000000005c RSI: ffff8800b5d62ac0 RDI: 0000000000000000
RBP: ffff88012ad4fd40 R8: 0000000000000000 R9: 000001c90d5987d6
R10: 000001c90d5987d6 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000fffffff5 R14: ffff8800af3d6800 R15: 0000000000000001
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#8 [ffff88012ad4fd48] cifs_setup_session at ffffffffa0487c8d [cifs]
#9 [ffff88012ad4fd70] smb2_reconnect at ffffffffa04b3e0c [cifs]
#10 [ffff88012ad4fde8] smb2_reconnect_server at ffffffffa04b6b40 [cifs]
#11 [ffff88012ad4fe38] process_one_work at ffffffff810989e4
#12 [ffff88012ad4fe78] worker_thread at ffffffff810995c6
#13 [ffff88012ad4fed0] kthread at ffffffff8109ead9
#14 [ffff88012ad4ff50] ret_from_fork at ffffffff81616505
Resolution
Cause
Additional Information
Disclaimer
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- Document ID:7023105
- Creation Date: 18-Jun-2018
- Modified Date:03-Mar-2020
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- SUSE Linux Enterprise Server
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