{"id":"CVE-2022-49282","summary":"f2fs: quota: fix loop condition at f2fs_quota_sync()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: quota: fix loop condition at f2fs_quota_sync()\n\ncnt should be passed to sb_has_quota_active() instead of type to check\nactive quota properly.\n\nMoreover, when the type is -1, the compiler with enough inline knowledge\ncan discard sb_has_quota_active() check altogether, causing a NULL pointer\ndereference at the following inode_lock(dqopt-\u003efiles[cnt]):\n\n[    2.796010] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a0\n[    2.796024] Mem abort info:\n[    2.796025]   ESR = 0x96000005\n[    2.796028]   EC = 0x25: DABT (current EL), IL = 32 bits\n[    2.796029]   SET = 0, FnV = 0\n[    2.796031]   EA = 0, S1PTW = 0\n[    2.796032] Data abort info:\n[    2.796034]   ISV = 0, ISS = 0x00000005\n[    2.796035]   CM = 0, WnR = 0\n[    2.796046] user pgtable: 4k pages, 39-bit VAs, pgdp=00000003370d1000\n[    2.796048] [00000000000000a0] pgd=0000000000000000, pud=0000000000000000\n[    2.796051] Internal error: Oops: 96000005 [#1] PREEMPT SMP\n[    2.796056] CPU: 7 PID: 640 Comm: f2fs_ckpt-259:7 Tainted: G S                5.4.179-arter97-r8-64666-g2f16e087f9d8 #1\n[    2.796057] Hardware name: Qualcomm Technologies, Inc. Lahaina MTP lemonadep (DT)\n[    2.796059] pstate: 80c00005 (Nzcv daif +PAN +UAO)\n[    2.796065] pc : down_write+0x28/0x70\n[    2.796070] lr : f2fs_quota_sync+0x100/0x294\n[    2.796071] sp : ffffffa3f48ffc30\n[    2.796073] x29: ffffffa3f48ffc30 x28: 0000000000000000\n[    2.796075] x27: ffffffa3f6d718b8 x26: ffffffa415fe9d80\n[    2.796077] x25: ffffffa3f7290048 x24: 0000000000000001\n[    2.796078] x23: 0000000000000000 x22: ffffffa3f7290000\n[    2.796080] x21: ffffffa3f72904a0 x20: ffffffa3f7290110\n[    2.796081] x19: ffffffa3f77a9800 x18: ffffffc020aae038\n[    2.796083] x17: ffffffa40e38e040 x16: ffffffa40e38e6d0\n[    2.796085] x15: ffffffa40e38e6cc x14: ffffffa40e38e6d0\n[    2.796086] x13: 00000000000004f6 x12: 00162c44ff493000\n[    2.796088] x11: 0000000000000400 x10: ffffffa40e38c948\n[    2.796090] x9 : 0000000000000000 x8 : 00000000000000a0\n[    2.796091] x7 : 0000000000000000 x6 : 0000d1060f00002a\n[    2.796093] x5 : ffffffa3f48ff718 x4 : 000000000000000d\n[    2.796094] x3 : 00000000060c0000 x2 : 0000000000000001\n[    2.796096] x1 : 0000000000000000 x0 : 00000000000000a0\n[    2.796098] Call trace:\n[    2.796100]  down_write+0x28/0x70\n[    2.796102]  f2fs_quota_sync+0x100/0x294\n[    2.796104]  block_operations+0x120/0x204\n[    2.796106]  f2fs_write_checkpoint+0x11c/0x520\n[    2.796107]  __checkpoint_and_complete_reqs+0x7c/0xd34\n[    2.796109]  issue_checkpoint_thread+0x6c/0xb8\n[    2.796112]  kthread+0x138/0x414\n[    2.796114]  ret_from_fork+0x10/0x18\n[    2.796117] Code: aa0803e0 aa1f03e1 52800022 aa0103e9 (c8e97d02)\n[    2.796120] ---[ end trace 96e942e8eb6a0b53 ]---\n[    2.800116] Kernel panic - not syncing: Fatal exception\n[    2.800120] SMP: stopping secondary CPUs","modified":"2026-08-12T03:51:17.226355168Z","published":"2025-02-26T01:56:23.679Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49282.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/680af5b824a52faa819167628665804a14f0e0df"},{"type":"WEB","url":"https://git.kernel.org/stable/c/724469814d805820cd37ea789769dba94123ff1a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e58ee6bd939b773675240f5d0f5b88a367c037c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e9ebf1e8fc50b6a9336f9aea1082d7845e568d0e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f1d5946d47c0827bae39e1537959ce8d6f0224c5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f9156db0987f1b426015d56505e2c58dee70c90d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49282.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49282"},{"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":"a02982545e61020c23f411b073ba5171381138e4"},{"fixed":"f1d5946d47c0827bae39e1537959ce8d6f0224c5"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2d586a3f5b7ec2f5a939db4abc9aa053c237545c"},{"fixed":"e58ee6bd939b773675240f5d0f5b88a367c037c4"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"9de71ede81e6d1a111fdd868b2d78d459fa77f80"},{"fixed":"f9156db0987f1b426015d56505e2c58dee70c90d"},{"fixed":"e9ebf1e8fc50b6a9336f9aea1082d7845e568d0e"},{"fixed":"724469814d805820cd37ea789769dba94123ff1a"},{"fixed":"680af5b824a52faa819167628665804a14f0e0df"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"9dd5052a8a8be252990c1bb451b51f32529411ef"},{"last_affected":"699a077aa087c17cf29c7170db71a34141e2effe"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.4.148"},{"fixed":"5.4.189"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.10.67"},{"fixed":"5.10.110"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.13.19"},{"fixed":"5.14"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.14.6"},{"fixed":"5.15"}]}],"versions":["v5.4.188","v5.4.187","v5.4.186","v5.4.185","v5.4.184","v5.4.183","v5.4.182","v5.4.181","v5.4.180","v5.4.179","v5.4.178","v5.4.177","v5.4.176","v5.4.175","v5.4.174","v5.4.173","v5.4.172","v5.4.171","v5.4.170","v5.4.169","v5.4.168","v5.4.167","v5.4.166","v5.4.165","v5.4.164","v5.4.163","v5.4.162","v5.4.161","v5.4.160","v5.4.159","v5.4.158","v5.4.157","v5.4.156","v5.4.155","v5.4.154","v5.4.153","v5.4.152","v5.4.151","v5.4.150","v5.4.149","v5.4.148","v5.10.109","v5.10.108","v5.10.107","v5.10.106","v5.10.105","v5.10.104","v5.10.103","v5.10.102","v5.10.101","v5.10.100","v5.10.99","v5.10.98","v5.10.97","v5.10.96","v5.10.95","v5.10.94","v5.10.93","v5.10.92","v5.10.91","v5.10.90","v5.10.89","v5.10.88","v5.10.87","v5.10.86","v5.10.85","v5.10.84","v5.10.83","v5.10.82","v5.10.81","v5.10.80","v5.10.79","v5.10.78","v5.10.77","v5.10.76","v5.10.75","v5.10.74","v5.10.73","v5.10.72","v5.10.71","v5.10.70","v5.10.69","v5.10.68","v5.10.67","v5.14","v5.14-rc3","v5.14-rc1","v5.14.5","v5.13.18","v5.13.17","v5.14.4","v5.14.3","v5.13.16","v5.14.2","v5.13.15","v5.14.1","v5.13.14","v5.13.13","v5.14-rc2","v5.14-rc7","v5.14-rc6","v5.13.12","v5.13-rc1","v5.14-rc5","v5.14-rc4","v5.13.11","v5.13.10","v5.13.9","v5.13.8","v5.13.7","v5.13","v5.13.6","v5.13.5","v5.13.4","v5.13.3","v5.13.2","v5.13.1","v5.13-rc6","v5.13-rc7","v5.13-rc3","v5.13-rc2","v5.13-rc4","v5.13-rc5","v5.12","v5.12-rc2","v5.12-rc1-dontuse","v5.12-rc1","v5.12-rc8","v5.12-rc3","v5.12-rc7","v5.12-rc5","v5.12-rc6","v5.12-rc4","v5.10","v5.11","v5.11-rc3","v5.11-rc7","v5.11-rc6","v5.11-rc5","v5.11-rc1","v5.11-rc4","v5.11-rc2","v5.10-rc1","v5.10-rc7","v5.10-rc4","v5.10-rc3","v5.10-rc6","v5.9","v5.10-rc2","v5.10-rc5","v5.9-rc1","v5.9-rc7","v5.9-rc8","v5.9-rc6","v5.9-rc4","v5.9-rc5","v5.9-rc3","v5.9-rc2","v5.8","v5.7","v5.8-rc2","v5.8-rc1","v5.8-rc7","v5.8-rc5","v5.8-rc3","v5.8-rc4","v5.8-rc6","v5.7-rc4","v5.7-rc7","v5.7-rc1","v5.7-rc3","v5.7-rc2","v5.7-rc5","v5.7-rc6","v5.6","v5.6-rc1","v5.6-rc7","v5.6-rc6","v5.6-rc3","v5.6-rc4","v5.6-rc2","v5.6-rc5","v5.5","v5.5-rc5","v5.5-rc7","v5.5-rc2","v5.5-rc1","v5.4","v5.5-rc4","v5.5-rc3","v5.5-rc6","v5.4-rc1","v5.4-rc6","v5.4-rc3","v5.4-rc4","v5.4-rc8","v5.4-rc7","v5.4-rc5","v5.3","v5.4-rc2","v5.3-rc5","v5.3-rc1","v5.3-rc2","v5.3-rc3"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