{"id":"CVE-2024-49887","summary":"f2fs: fix to don't panic system for no free segment fault injection","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to don't panic system for no free segment fault injection\n\nf2fs: fix to don't panic system for no free segment fault injection\n\nsyzbot reports a f2fs bug as below:\n\nF2FS-fs (loop0): inject no free segment in get_new_segment of __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167\nF2FS-fs (loop0): Stopped filesystem due to reason: 7\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/segment.c:2748!\nCPU: 0 UID: 0 PID: 5109 Comm: syz-executor304 Not tainted 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0\nRIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline]\nRIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836\nCall Trace:\n __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167\n f2fs_allocate_new_section fs/f2fs/segment.c:3181 [inline]\n f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3195\n f2fs_expand_inode_data+0x5d6/0xbb0 fs/f2fs/file.c:1799\n f2fs_fallocate+0x448/0x960 fs/f2fs/file.c:1903\n vfs_fallocate+0x553/0x6c0 fs/open.c:334\n do_vfs_ioctl+0x2592/0x2e50 fs/ioctl.c:886\n __do_sys_ioctl fs/ioctl.c:905 [inline]\n __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline]\nRIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836\n\nThe root cause is when we inject no free segment fault into f2fs,\nwe should not panic system, fix it.","modified":"2026-04-02T12:21:04.674844Z","published":"2024-10-21T18:01:23.561Z","related":["USN-7276-1","USN-7277-1","openSUSE-SU-2024:14500-1","openSUSE-SU-2025:14705-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49887.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/645ec43760e86d3079fee2e8b51fde7060a540d0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/65a6ce4726c27b45600303f06496fef46d00b57f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9f6e7a0512a57387d36f5e9e9635d6668cac13dd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49887.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49887"},{"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":"8b10d3653735e117bc1954ade80d75ad7b46b801"},{"fixed":"9f6e7a0512a57387d36f5e9e9635d6668cac13dd"},{"fixed":"645ec43760e86d3079fee2e8b51fde7060a540d0"},{"fixed":"65a6ce4726c27b45600303f06496fef46d00b57f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49887.json"}}],"schema_version":"1.7.5"}