{"id":"CVE-2022-49033","summary":"btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\n\nSyzkaller reported BUG as follows:\n\n  BUG: sleeping function called from invalid context at\n       include/linux/sched/mm.h:274\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0xcd/0x134\n   __might_resched.cold+0x222/0x26b\n   kmem_cache_alloc+0x2e7/0x3c0\n   update_qgroup_limit_item+0xe1/0x390\n   btrfs_qgroup_inherit+0x147b/0x1ee0\n   create_subvol+0x4eb/0x1710\n   btrfs_mksubvol+0xfe5/0x13f0\n   __btrfs_ioctl_snap_create+0x2b0/0x430\n   btrfs_ioctl_snap_create_v2+0x25a/0x520\n   btrfs_ioctl+0x2a1c/0x5ce0\n   __x64_sys_ioctl+0x193/0x200\n   do_syscall_64+0x35/0x80\n\nFix this by calling qgroup_dirty() on @dstqgroup, and update limit item in\nbtrfs_run_qgroups() later outside of the spinlock context.","modified":"2026-04-02T08:27:15.235433Z","published":"2024-10-21T20:06:36.566Z","related":["SUSE-SU-2025:0201-1","SUSE-SU-2025:0201-2","SUSE-SU-2025:0229-1","SUSE-SU-2025:0236-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49033.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09"},{"type":"WEB","url":"https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133"},{"type":"WEB","url":"https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49033.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49033"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e8c8541ac379709db8d2339e1cb720469fc2cd8f"},{"fixed":"89840b12c8fad7200eb6478525c13261512c01be"},{"fixed":"3c98e91be6aea4c7acf09da6eb0c107ea9186bb5"},{"fixed":"f4b930a1602b05e77fee31f9616599b25e910a86"},{"fixed":"8eb912af525042a7365295eb62f6d5270c2a6462"},{"fixed":"01d7c41eac9129fba80d8aed0060caab4a7dbe09"},{"fixed":"044da1a371a0da579e805e89c96865f62d8f6f69"},{"fixed":"588ae4fdd8b11788a797776b10d6c44ae12bc133"},{"fixed":"f7e942b5bb35d8e3af54053d19a6bf04143a3955"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49033.json"}}],"schema_version":"1.7.5"}