In the Linux kernel, the following vulnerability has been resolved:
nfsd: map the EBADMSG to nfserr_io to avoid warning
Ext4 will throw -EBADMSG through ext4_readdir when a checksum error occurs, resulting in the following WARNING.
Fix it by mapping EBADMSG to nfserr_io.
nfsd_buffered_readdir iterate_dir // -EBADMSG -74 ext4_readdir // .iterate_shared ext4_dx_readdir ext4_htree_fill_tree htree_dirblock_to_tree ext4_read_dirblock __ext4_read_dirblock ext4_dirblock_csum_verify warn_no_space_for_csum __warn_no_space_for_csum return ERR_PTR(-EFSBADCRC) // -EBADMSG -74 nfserrno // WARNING
[ 161.115610] ------------[ cut here ]------------ [ 161.116465] nfsd: non-standard errno: -74 [ 161.117315] WARNING: CPU: 1 PID: 780 at fs/nfsd/nfsproc.c:878 nfserrno+0x9d/0xd0 [ 161.118596] Modules linked in: [ 161.119243] CPU: 1 PID: 780 Comm: nfsd Not tainted 5.10.0-00014-g79679361fd5d #138 [ 161.120684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qe mu.org 04/01/2014 [ 161.123601] RIP: 0010:nfserrno+0x9d/0xd0 [ 161.124676] Code: 0f 87 da 30 dd 00 83 e3 01 b8 00 00 00 05 75 d7 44 89 ee 48 c7 c7 c0 57 24 98 89 44 24 04 c6 05 ce 2b 61 03 01 e8 99 20 d8 00 <0f> 0b 8b 44 24 04 eb b5 4c 89 e6 48 c7 c7 a0 6d a4 99 e8 cc 15 33 [ 161.127797] RSP: 0018:ffffc90000e2f9c0 EFLAGS: 00010286 [ 161.128794] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 161.130089] RDX: 1ffff1103ee16f6d RSI: 0000000000000008 RDI: fffff520001c5f2a [ 161.131379] RBP: 0000000000000022 R08: 0000000000000001 R09: ffff8881f70c1827 [ 161.132664] R10: ffffed103ee18304 R11: 0000000000000001 R12: 0000000000000021 [ 161.133949] R13: 00000000ffffffb6 R14: ffff8881317c0000 R15: ffffc90000e2fbd8 [ 161.135244] FS: 0000000000000000(0000) GS:ffff8881f7080000(0000) knlGS:0000000000000000 [ 161.136695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.137761] CR2: 00007fcaad70b348 CR3: 0000000144256006 CR4: 0000000000770ee0 [ 161.139041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 161.140291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 161.141519] PKRU: 55555554 [ 161.142076] Call Trace: [ 161.142575] ? __warn+0x9b/0x140 [ 161.143229] ? nfserrno+0x9d/0xd0 [ 161.143872] ? report_bug+0x125/0x150 [ 161.144595] ? handle_bug+0x41/0x90 [ 161.145284] ? exc_invalid_op+0x14/0x70 [ 161.146009] ? asm_exc_invalid_op+0x12/0x20 [ 161.146816] ? nfserrno+0x9d/0xd0 [ 161.147487] nfsd_buffered_readdir+0x28b/0x2b0 [ 161.148333] ? nfsd4_encode_dirent_fattr+0x380/0x380 [ 161.149258] ? nfsd_buffered_filldir+0xf0/0xf0 [ 161.150093] ? wait_for_concurrent_writes+0x170/0x170 [ 161.151004] ? generic_file_llseek_size+0x48/0x160 [ 161.151895] nfsd_readdir+0x132/0x190 [ 161.152606] ? nfsd4_encode_dirent_fattr+0x380/0x380 [ 161.153516] ? nfsd_unlink+0x380/0x380 [ 161.154256] ? override_creds+0x45/0x60 [ 161.155006] nfsd4_encode_readdir+0x21a/0x3d0 [ 161.155850] ? nfsd4_encode_readlink+0x210/0x210 [ 161.156731] ? write_bytes_to_xdr_buf+0x97/0xe0 [ 161.157598] ? __write_bytes_to_xdr_buf+0xd0/0xd0 [ 161.158494] ? lock_downgrade+0x90/0x90 [ 161.159232] ? nfs4svc_decode_voidarg+0x10/0x10 [ 161.160092] nfsd4_encode_operation+0x15a/0x440 [ 161.160959] nfsd4_proc_compound+0x718/0xe90 [ 161.161818] nfsd_dispatch+0x18e/0x2c0 [ 161.162586] svc_process_common+0x786/0xc50 [ 161.163403] ? nfsd_svc+0x380/0x380 [ 161.164137] ? svc_printk+0x160/0x160 [ 161.164846] ? svc_xprt_do_enqueue.part.0+0x365/0x380 [ 161.165808] ? nfsd_svc+0x380/0x380 [ 161.166523] ? rcu_is_watching+0x23/0x40 [ 161.167309] svc_process+0x1a5/0x200 [ 161.168019] nfsd+0x1f5/0x380 [ 161.168663] ? nfsd_shutdown_threads+0x260/0x260 [ 161.169554] kthread+0x1c4/0x210 [ 161.170224] ? kthread_insert_work_sanity_check+0x80/0x80 [ 161.171246] ret_from_fork+0x1f/0x30
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade perfUpgrade python-perf-debuginfoUpgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-develUpgrade kernel-livepatch-5.10.227-219.884Upgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernelUpgrade kernel-livepatch-5.15.168-114.166 | Mar 14, 2025 | Oct 21, 2024 |
| Amazon_linux_2023 | — | Upgrade bpftoolUpgrade kernel-develUpgrade kernel-libbpfUpgrade python3-perf-debuginfoUpgrade perfUpgrade perf-debuginfoUpgrade kernel-livepatch-6.1.115-126.197Upgrade kernel-tools-develUpgrade kernel-modules-extraUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade kernel-modules-extra-commonUpgrade bpftool-debuginfoUpgrade kernel-libbpf-develUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-staticUpgrade kernel-toolsUpgrade kernel-headers | Mar 27, 2025 | Oct 21, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Nov 11, 2024 | Oct 21, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftool | Feb 11, 2025 | Oct 21, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-abi-stablelists | Feb 11, 2025 | Oct 21, 2024 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | May 15, 2025 | Oct 21, 2024 |
| Ubuntu | — | Upgrade linux-image-oracleUpgrade linux-image-6.8.0-54-lowlatency-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-azureUpgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-1019-gkeUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-awsUpgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04bUpgrade linux-image-oem-20.04cUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-azure-nvidiaUpgrade linux-image-oem-22.04cUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-54-lowlatencyUpgrade linux-image-ibm-classicUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-kvmUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-6.8.0-1020-oracleUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-5.15.0-127-generic-64kUpgrade linux-image-5.15.0-1068-nvidia-lowlatencyUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-virtualUpgrade linux-image-6.8.0-1022-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1066-raspiUpgrade linux-image-6.8.0-1006-gkeopUpgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1024-oemUpgrade linux-image-gcpUpgrade linux-image-aws-lts-22.04Upgrade linux-image-raspiUpgrade linux-image-oem-20.04dUpgrade linux-image-6.8.0-1024-gcp-64kUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-127-lowlatency-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-127-lowlatencyUpgrade linux-image-5.15.0-127-genericUpgrade linux-image-6.8.0-1019-raspiUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-6.11.0-18-genericUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.8.0-1022-nvidia-64kUpgrade linux-image-6.8.0-1024-gcpUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-5.15.0-1070-kvmUpgrade linux-image-nvidia-64kUpgrade linux-image-realtimeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1020-oracle-64kUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-6.8.0-1022-nvidiaUpgrade linux-image-gcp-64kUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.15.0-1071-oracleUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-5.15.0-1039-xilinx-zynqmpUpgrade linux-image-5.15.0-1073-awsUpgrade linux-image-5.15.0-1071-intel-iotgUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-1056-gkeopUpgrade linux-image-5.15.0-1068-nvidiaUpgrade linux-image-6.8.0-1023-awsUpgrade linux-image-oem-22.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-oem-20.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-intel-iotgUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-5.15.0-1078-azureUpgrade linux-image-5.15.0-1066-ibmUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-gke-5.15Upgrade linux-image-nvidiaUpgrade linux-image-5.15.0-1072-gcpUpgrade linux-image-6.8.0-1022-nvidia-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-6.8.0-54-genericUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-oem-22.04aUpgrade linux-image-gkeUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-57-genericUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-intelUpgrade linux-image-6.8.0-1025-azureUpgrade linux-image-ibmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-oem-20.04bUpgrade linux-image-genericUpgrade linux-image-5.15.0-127-generic-lpaeUpgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-54-generic-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-1070-gkeUpgrade linux-image-nvidia-hwe-22.04 | Dec 18, 2024 | Oct 21, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 14, 2025 | Oct 21, 2024 |
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