CVE-2022-49033

一、漏洞信息
 漏洞编号：[CVE-2022-49033](https://nvd.nist.gov/vuln/detail/CVE-2022-49033)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
 CVSS V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()Syzkaller reported BUG as follows:  BUG: sleeping function called from invalid context at       include/linux/sched/mm.h:274  Call Trace:   <TASK>   dump_stack_lvl+0xcd/0x134   __might_resched.cold+0x222/0x26b   kmem_cache_alloc+0x2e7/0x3c0   update_qgroup_limit_item+0xe1/0x390   btrfs_qgroup_inherit+0x147b/0x1ee0   create_subvol+0x4eb/0x1710   btrfs_mksubvol+0xfe5/0x13f0   __btrfs_ioctl_snap_create+0x2b0/0x430   btrfs_ioctl_snap_create_v2+0x25a/0x520   btrfs_ioctl+0x2a1c/0x5ce0   __x64_sys_ioctl+0x193/0x200   do_syscall_64+0x35/0x80Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item inbtrfs_run_qgroups() later outside of the spinlock context.
 漏洞公开时间：2024-10-22 04:15:13
 漏洞创建时间：2024-10-22 08:05:07
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2022-49033
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-49033 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2022-49033 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-49033.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2320795 | https://bugzilla.suse.com/show_bug.cgi?id=1232045 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024102156-CVE-2022-49033-a8c6@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2320795 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024102156-CVE-2022-49033-a8c6@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2320795 |
| cve_search |  | https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be |
| cve_search |  | https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 |
| cve_search |  | https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86 |
| cve_search |  | https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462 |
| cve_search |  | https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09 |
| cve_search |  | https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69 |
| cve_search |  | https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133 |
| cve_search |  | https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955 |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  openBrain开源漏洞感知系统
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09 |  | nvd |
|  |  | https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69 |  | nvd |
|  |  | https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 |  | nvd |
|  |  | https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133 |  | nvd |
|  |  | https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be |  | nvd |
|  |  | https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462 |  | nvd |
|  |  | https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86 |  | nvd |
|  |  | https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955 |  | nvd |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  In the Linux kernel, the following vulnerability has been resolved:btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()Syzkaller reported BUG as follows:  BUG: sleeping function called from invalid context at       include/linux/sched/mm.h:274  Call Trace:   <TASK>   dump_stack_lvl+0xcd/0x134   __might_resched.cold+0x222/0x26b   kmem_cache_alloc+0x2e7/0x3c0   update_qgroup_limit_item+0xe1/0x390   btrfs_qgroup_inherit+0x147b/0x1ee0   create_subvol+0x4eb/0x1710   btrfs_mksubvol+0xfe5/0x13f0   __btrfs_ioctl_snap_create+0x2b0/0x430   btrfs_ioctl_snap_create_v2+0x25a/0x520   btrfs_ioctl+0x2a1c/0x5ce0   __x64_sys_ioctl+0x193/0x200   do_syscall_64+0x35/0x80Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item inbtrfs_run_qgroups() later outside of the spinlock context.
 openEuler评分：
  5.5
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS-SP4(4.19.90):受影响
2.openEuler-22.03-LTS-SP1(5.10.0):受影响
3.openEuler-22.03-LTS-SP3(5.10.0):不受影响
4.openEuler-22.03-LTS-SP4(5.10.0):不受影响
5.master(6.6.0):不受影响
6.openEuler-24.03-LTS(6.6.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS-SP4(4.19.90):否
2.openEuler-22.03-LTS-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.6.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4(5.10.0):否

原因说明：
  1.master(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(6.6.0):

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2324

@yangyingliang ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 ,@jentlestea ,@oskernel0719 ,@gasonchen 
**issue处理注意事项:** 
**1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;**
**2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;**
**3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.**
************************************************************************
影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响): 
1.master(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(6.6.0):

修复是否涉及abi变化(是/否)：
1.master(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(6.6.0):

-----------------------------------------------------------------------
issue处理具体操作请参考: 
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

CVE-2022-49033

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()

Syzkaller reported BUG as follows:

BUG: sleeping function called from invalid context at
       include/linux/sched/mm.h:274
  Call Trace:
   <TASK>
   dump_stack_lvl+0xcd/0x134
   __might_resched.cold+0x222/0x26b
   kmem_cache_alloc+0x2e7/0x3c0
   update_qgroup_limit_item+0xe1/0x390
   btrfs_qgroup_inherit+0x147b/0x1ee0
   create_subvol+0x4eb/0x1710
   btrfs_mksubvol+0xfe5/0x13f0
   __btrfs_ioctl_snap_create+0x2b0/0x430
   btrfs_ioctl_snap_create_v2+0x25a/0x520
   btrfs_ioctl+0x2a1c/0x5ce0
   __x64_sys_ioctl+0x193/0x200
   do_syscall_64+0x35/0x80

Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in
btrfs_run_qgroups() later outside of the spinlock context.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否

@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态  | 需分析 | 内容 |
|:--:|:--:|---------|
|已分析|1.影响性分析说明|In the Linux kernel, the following vulnerability has been resolved:btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()Syzkaller reported BUG as follows:  BUG: sleeping function called from invalid context at       include/linux/sched/mm.h:274  Call Trace:   <TASK>   dump_stack_lvl+0xcd/0x134   __might_resched.cold+0x222/0x26b   kmem_cache_alloc+0x2e7/0x3c0   update_qgroup_limit_item+0xe1/0x390   btrfs_qgroup_inherit+0x147b/0x1ee0   create_subvol+0x4eb/0x1710   btrfs_mksubvol+0xfe5/0x13f0   __btrfs_ioctl_snap_create+0x2b0/0x430   btrfs_ioctl_snap_create_v2+0x25a/0x520   btrfs_ioctl+0x2a1c/0x5ce0   __x64_sys_ioctl+0x193/0x200   do_syscall_64+0x35/0x80Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item inbtrfs_run_qgroups() later outside of the spinlock context.|
|已分析|2.openEulerScore|5.5|
|已分析|3.openEulerVector|AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H|
|已分析|4.受影响版本排查|openEuler-22.03-LTS-SP1:受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响|
|已分析|5.修复是否涉及abi变化|openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否|

**请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.**

CVE-2022-49033

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()

Syzkaller reported BUG as follows:

BUG: sleeping function called from invalid context at
       include/linux/sched/mm.h:274
  Call Trace:
   <TASK>
   dump_stack_lvl+0xcd/0x134
   __might_resched.cold+0x222/0x26b
   kmem_cache_alloc+0x2e7/0x3c0
   update_qgroup_limit_item+0xe1/0x390
   btrfs_qgroup_inherit+0x147b/0x1ee0
   create_subvol+0x4eb/0x1710
   btrfs_mksubvol+0xfe5/0x13f0
   __btrfs_ioctl_snap_create+0x2b0/0x430
   btrfs_ioctl_snap_create_v2+0x25a/0x520
   btrfs_ioctl+0x2a1c/0x5ce0
   __x64_sys_ioctl+0x193/0x200
   do_syscall_64+0x35/0x80

Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in
btrfs_run_qgroups() later outside of the spinlock context.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否

@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态  | 需分析 | 内容 |
|:--:|:--:|---------|
|已分析|1.影响性分析说明|In the Linux kernel, the following vulnerability has been resolved:btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()Syzkaller reported BUG as follows:  BUG: sleeping function called from invalid context at       include/linux/sched/mm.h:274  Call Trace:   <TASK>   dump_stack_lvl+0xcd/0x134   __might_resched.cold+0x222/0x26b   kmem_cache_alloc+0x2e7/0x3c0   update_qgroup_limit_item+0xe1/0x390   btrfs_qgroup_inherit+0x147b/0x1ee0   create_subvol+0x4eb/0x1710   btrfs_mksubvol+0xfe5/0x13f0   __btrfs_ioctl_snap_create+0x2b0/0x430   btrfs_ioctl_snap_create_v2+0x25a/0x520   btrfs_ioctl+0x2a1c/0x5ce0   __x64_sys_ioctl+0x193/0x200   do_syscall_64+0x35/0x80Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item inbtrfs_run_qgroups() later outside of the spinlock context.|
|已分析|2.openEulerScore|5.5|
|已分析|3.openEulerVector|AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H|
|已分析|4.受影响版本排查|openEuler-22.03-LTS-SP1:受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响|
|已分析|5.修复是否涉及abi变化|openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否|

**请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.**

CVE-2022-49033

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()

Syzkaller reported BUG as follows:

BUG: sleeping function called from invalid context at
       include/linux/sched/mm.h:274
  Call Trace:
   <TASK>
   dump_stack_lvl+0xcd/0x134
   __might_resched.cold+0x222/0x26b
   kmem_cache_alloc+0x2e7/0x3c0
   update_qgroup_limit_item+0xe1/0x390
   btrfs_qgroup_inherit+0x147b/0x1ee0
   create_subvol+0x4eb/0x1710
   btrfs_mksubvol+0xfe5/0x13f0
   __btrfs_ioctl_snap_create+0x2b0/0x430
   btrfs_ioctl_snap_create_v2+0x25a/0x520
   btrfs_ioctl+0x2a1c/0x5ce0
   __x64_sys_ioctl+0x193/0x200
   do_syscall_64+0x35/0x80

Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in
btrfs_run_qgroups() later outside of the spinlock context.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否

CVE-2022-49033

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()

Syzkaller reported BUG as follows:

BUG: sleeping function called from invalid context at
       include/linux/sched/mm.h:274
  Call Trace:
   <TASK>
   dump_stack_lvl+0xcd/0x134
   __might_resched.cold+0x222/0x26b
   kmem_cache_alloc+0x2e7/0x3c0
   update_qgroup_limit_item+0xe1/0x390
   btrfs_qgroup_inherit+0x147b/0x1ee0
   create_subvol+0x4eb/0x1710
   btrfs_mksubvol+0xfe5/0x13f0
   __btrfs_ioctl_snap_create+0x2b0/0x430
   btrfs_ioctl_snap_create_v2+0x25a/0x520
   btrfs_ioctl+0x2a1c/0x5ce0
   __x64_sys_ioctl+0x193/0x200
   do_syscall_64+0x35/0x80

Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in
btrfs_run_qgroups() later outside of the spinlock context.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:受影响
2.openEuler-22.03-LTS-SP1:受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(23.08.5):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(23.08.5):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否

===========================================================

CVE-2022-49033

影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:

btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()

Syzkaller reported BUG as follows:

BUG: sleeping function called from invalid context at
       include/linux/sched/mm.h:274
  Call Trace:
   <TASK>
   dump_stack_lvl+0xcd/0x134
   __might_resched.cold+0x222/0x26b
   kmem_cache_alloc+0x2e7/0x3c0
   update_qgroup_limit_item+0xe1/0x390
   btrfs_qgroup_inherit+0x147b/0x1ee0
   create_subvol+0x4eb/0x1710
   btrfs_mksubvol+0xfe5/0x13f0
   __btrfs_ioctl_snap_create+0x2b0/0x430
   btrfs_ioctl_snap_create_v2+0x25a/0x520
   btrfs_ioctl+0x2a1c/0x5ce0
   __x64_sys_ioctl+0x193/0x200
   do_syscall_64+0x35/0x80

Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in
btrfs_run_qgroups() later outside of the spinlock context.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:受影响
2.openEuler-22.03-LTS-SP1:受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(23.08.5):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(23.08.5):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否

===========================================================

@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态  | 分析项目 | 内容 |
|:--:|:--:|---------|
|已分析|1.影响性分析说明|In the Linux kernel, the following vulnerability has been resolved:btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()Syzkaller reported BUG as follows:  BUG: sleeping function called from invalid context at       include/linux/sched/mm.h:274  Call Trace:   <TASK>   dump_stack_lvl+0xcd/0x134   __might_resched.cold+0x222/0x26b   kmem_cache_alloc+0x2e7/0x3c0   update_qgroup_limit_item+0xe1/0x390   btrfs_qgroup_inherit+0x147b/0x1ee0   create_subvol+0x4eb/0x1710   btrfs_mksubvol+0xfe5/0x13f0   __btrfs_ioctl_snap_create+0x2b0/0x430   btrfs_ioctl_snap_create_v2+0x25a/0x520   btrfs_ioctl+0x2a1c/0x5ce0   __x64_sys_ioctl+0x193/0x200   do_syscall_64+0x35/0x80Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item inbtrfs_run_qgroups() later outside of the spinlock context.|
|已分析|2.openEulerScore|5.5|
|已分析|3.openEulerVector|AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H|
|已分析|4.受影响版本排查|openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP1:受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响|
|已分析|5.是否涉及abi变化|openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否|
|已分析|6.原因说明||

**请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.**

src-openEuler/kernel

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CVE-2022-49033

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