[PW_SID:1151028] [BUG] general protection fault in __l2cap_chan_add - #645

[BUG] general protection fault in __l2cap_chan_add
WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?)
#101: 
The issue was found by our own race fuzzer. We have not analyzed the root cause,

WARNING: Reported-by: should be immediately followed by Closes: or Link: with a URL to the report
#118: 
Reported-by: Eulgyu Kim <eulgyukim@snu.ac.kr>
Reported-by: Jaeyoung Chung <jjy600901@snu.ac.kr>

WARNING: Reported-by: should be immediately followed by Closes: or Link: with a URL to the report
#119: 
Reported-by: Jaeyoung Chung <jjy600901@snu.ac.kr>


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#128: 
#define _GNU_SOURCE

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#130: 
#include <errno.h>

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#131: 
#include <fcntl.h>

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#132: 
#include <pthread.h>

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#133: 
#include <stdint.h>

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#134: 
#include <stdio.h>

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#135: 
#include <stdlib.h>

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#136: 
#include <string.h>

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#137: 
#include <sys/ioctl.h>

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#138: 
#include <sys/prctl.h>

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#139: 
#include <sys/socket.h>

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#140: 
#include <sys/uio.h>

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#141: 
#include <unistd.h>

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#143: 
#ifndef AF_BLUETOOTH

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#144: 
#define AF_BLUETOOTH 31

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#145: 
#endif

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#146: 
#define BTPROTO_L2CAP 0

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#147: 
#define BTPROTO_HCI 1

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#149: 
#define HCI_COMMAND_PKT 0x01

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#150: 
#define HCI_EVENT_PKT 0x04

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#151: 
#define HCI_VENDOR_PKT 0xff

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#153: 
#define HCI_EV_CONN_COMPLETE 0x03

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#154: 
#define HCI_EV_CONN_REQUEST 0x04

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#155: 
#define HCI_EV_REMOTE_FEATURES 0x0b

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#156: 
#define HCI_EV_CMD_COMPLETE 0x0e

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#158: 
#define HCI_OP_RESET 0x0c03

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#159: 
#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a

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#160: 
#define HCI_OP_READ_BUFFER_SIZE 0x1005

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#161: 
#define HCI_OP_READ_BD_ADDR 0x1009

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#163: 
#define ACL_LINK 0x01

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#164: 
#define SCAN_PAGE 0x02

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#165: 
#define HCI_PRIMARY 0

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#166: 
#define HCI_HANDLE_1 200

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#168: 
#define HCIDEVUP _IOW('H', 201, int)

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#169: 
#define HCISETSCAN _IOW('H', 221, int)

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#249: 
#define RFKILL_TYPE_ALL 0

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#250: 
#define RFKILL_OP_CHANGE_ALL 3

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#256: 
#define LOG(fmt, ...)                                                          \

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#261: 
#define LOGE(fmt, ...)                                                         \

ERROR: Invalid commit separator - some tools may have problems applying this
#665: 
---[ end trace 0000000000000000 ]---

ERROR: Invalid commit separator - some tools may have problems applying this
#679: 
----------------

WARNING: The commit message has 'Call Trace:', perhaps it also needs a 'Fixes:' tag?

ERROR: Missing Signed-off-by: line(s)

total: 3 errors, 43 warnings, 0 checks, 52 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/patch/14765786.patch has style problems, please review.

NOTE: Ignored message types: UNKNOWN_COMMIT_ID

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.