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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ipv4: fix route with nexthop object delete warning\n\nFRR folks have hit a kernel warning[1] while deleting routes[2] which is\ncaused by trying to delete a route pointing to a nexthop id without\nspecifying nhid but matching on an interface. That is, a route is found\nbut we hit a warning while matching it. The warning is from\nfib_info_nh() in include/net/nexthop.h because we run it on a fib_info\nwith nexthop object. The call chain is:\n inet_rtm_delroute -\u003e fib_table_delete -\u003e fib_nh_match (called with a\nnexthop fib_info and also with fc_oif set thus calling fib_info_nh on\nthe fib_info and triggering the warning). The fix is to not do any\nmatching in that branch if the fi has a nexthop object because those are\nmanaged separately. I.e. we should match when deleting without nh spec and\nshould fail when deleting a nexthop route with old-style nh spec because\nnexthop objects are managed separately, e.g.:\n $ ip r show 1.2.3.4/32\n 1.2.3.4 nhid 12 via 192.168.11.2 dev dummy0\n\n $ ip r del 1.2.3.4/32\n $ ip r del 1.2.3.4/32 nhid 12\n \u003cboth should work\u003e\n\n $ ip r del 1.2.3.4/32 dev dummy0\n \u003cshould fail with ESRCH\u003e\n\n[1]\n [  523.462226] ------------[ cut here ]------------\n [  523.462230] WARNING: CPU: 14 PID: 22893 at include/net/nexthop.h:468 fib_nh_match+0x210/0x460\n [  523.462236] Modules linked in: dummy rpcsec_gss_krb5 xt_socket nf_socket_ipv4 nf_socket_ipv6 ip6table_raw iptable_raw bpf_preload xt_statistic ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs xt_mark nf_tables xt_nat veth nf_conntrack_netlink nfnetlink xt_addrtype br_netfilter overlay dm_crypt nfsv3 nfs fscache netfs vhost_net vhost vhost_iotlb tap tun xt_CHECKSUM xt_MASQUERADE xt_conntrack 8021q garp mrp ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter bridge stp llc rfcomm snd_seq_dummy snd_hrtimer rpcrdma rdma_cm iw_cm ib_cm ib_core ip6table_filter xt_comment ip6_tables vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) qrtr bnep binfmt_misc xfs vfat fat squashfs loop nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(POE) nvidia(POE) intel_rapl_msr intel_rapl_common snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi btusb btrtl iwlmvm uvcvideo btbcm snd_hda_intel edac_mce_amd\n [  523.462274]  videobuf2_vmalloc videobuf2_memops btintel snd_intel_dspcfg videobuf2_v4l2 snd_intel_sdw_acpi bluetooth snd_usb_audio snd_hda_codec mac80211 snd_usbmidi_lib joydev snd_hda_core videobuf2_common kvm_amd snd_rawmidi snd_hwdep snd_seq videodev ccp snd_seq_device libarc4 ecdh_generic mc snd_pcm kvm iwlwifi snd_timer drm_kms_helper snd cfg80211 cec soundcore irqbypass rapl wmi_bmof i2c_piix4 rfkill k10temp pcspkr acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd grace sunrpc drm zram ip_tables crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel nvme sp5100_tco r8169 nvme_core wmi ipmi_devintf ipmi_msghandler fuse\n [  523.462300] CPU: 14 PID: 22893 Comm: ip Tainted: P           OE     5.16.18-200.fc35.x86_64 #1\n [  523.462302] Hardware name: Micro-Star International Co., Ltd. MS-7C37/MPG X570 GAMING EDGE WIFI (MS-7C37), BIOS 1.C0 10/29/2020\n [  523.462303] RIP: 0010:fib_nh_match+0x210/0x460\n [  523.462304] Code: 7c 24 20 48 8b b5 90 00 00 00 e8 bb ee f4 ff 48 8b 7c 24 20 41 89 c4 e8 ee eb f4 ff 45 85 e4 0f 85 2e fe ff ff e9 4c ff ff ff \u003c0f\u003e 0b e9 17 ff ff ff 3c 0a 0f 85 61 fe ff ff 48 8b b5 98 00 00 00\n [  523.462306] RSP: 0018:ffffaa53d4d87928 EFLAGS: 00010286\n [  523.462307] RAX: 0000000000000000 RBX: ffffaa53d4d87a90 RCX: ffffaa53d4d87bb0\n [  523.462308] RDX: ffff9e3d2ee6be80 RSI: ffffaa53d4d87a90 RDI: ffffffff920ed380\n [  523.462309] RBP: ffff9e3d2ee6be80 R08: 0000000000000064 R09: 0000000000000000\n [  523.462310] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000031\n [  523.462310] R13: 0000000000000020 R14: 0000000000000000 R15: ffff9e3d331054e0\n [  523.462311] FS:  00007f2455\n---truncated---"
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        },
        {
          "url": "https://git.kernel.org/stable/c/12025abdc8539ed9d5014e2d647a3fd1bd3de5cd"
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      ],
      "title": "tracing: Fix sleeping function called from invalid context on RT kernel",
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    "dateReserved": "2025-02-26T02:08:31.537Z",
    "dateUpdated": "2025-10-01T19:46:56.506Z",
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix data-races around sk-\u003esk_forward_alloc\n\nSyzkaller reported this warning:\n ------------[ cut here ]------------\n WARNING: CPU: 0 PID: 16 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x1c5/0x1e0\n Modules linked in:\n CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc5 #26\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n RIP: 0010:inet_sock_destruct+0x1c5/0x1e0\n Code: 24 12 4c 89 e2 5b 48 c7 c7 98 ec bb 82 41 5c e9 d1 18 17 ff 4c 89 e6 5b 48 c7 c7 d0 ec bb 82 41 5c e9 bf 18 17 ff 0f 0b eb 83 \u003c0f\u003e 0b eb 97 0f 0b eb 87 0f 0b e9 68 ff ff ff 66 66 2e 0f 1f 84 00\n RSP: 0018:ffffc9000008bd90 EFLAGS: 00010206\n RAX: 0000000000000300 RBX: ffff88810b172a90 RCX: 0000000000000007\n RDX: 0000000000000002 RSI: 0000000000000300 RDI: ffff88810b172a00\n RBP: ffff88810b172a00 R08: ffff888104273c00 R09: 0000000000100007\n R10: 0000000000020000 R11: 0000000000000006 R12: ffff88810b172a00\n R13: 0000000000000004 R14: 0000000000000000 R15: ffff888237c31f78\n FS:  0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007ffc63fecac8 CR3: 000000000342e000 CR4: 00000000000006f0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n  \u003cTASK\u003e\n  ? __warn+0x88/0x130\n  ? inet_sock_destruct+0x1c5/0x1e0\n  ? report_bug+0x18e/0x1a0\n  ? handle_bug+0x53/0x90\n  ? exc_invalid_op+0x18/0x70\n  ? asm_exc_invalid_op+0x1a/0x20\n  ? inet_sock_destruct+0x1c5/0x1e0\n  __sk_destruct+0x2a/0x200\n  rcu_do_batch+0x1aa/0x530\n  ? rcu_do_batch+0x13b/0x530\n  rcu_core+0x159/0x2f0\n  handle_softirqs+0xd3/0x2b0\n  ? __pfx_smpboot_thread_fn+0x10/0x10\n  run_ksoftirqd+0x25/0x30\n  smpboot_thread_fn+0xdd/0x1d0\n  kthread+0xd3/0x100\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x34/0x50\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1a/0x30\n  \u003c/TASK\u003e\n ---[ end trace 0000000000000000 ]---\n\nIts possible that two threads call tcp_v6_do_rcv()/sk_forward_alloc_add()\nconcurrently when sk-\u003esk_state == TCP_LISTEN with sk-\u003esk_lock unlocked,\nwhich triggers a data-race around sk-\u003esk_forward_alloc:\ntcp_v6_rcv\n    tcp_v6_do_rcv\n        skb_clone_and_charge_r\n            sk_rmem_schedule\n                __sk_mem_schedule\n                    sk_forward_alloc_add()\n            skb_set_owner_r\n                sk_mem_charge\n                    sk_forward_alloc_add()\n        __kfree_skb\n            skb_release_all\n                skb_release_head_state\n                    sock_rfree\n                        sk_mem_uncharge\n                            sk_forward_alloc_add()\n                            sk_mem_reclaim\n                                // set local var reclaimable\n                                __sk_mem_reclaim\n                                    sk_forward_alloc_add()\n\nIn this syzkaller testcase, two threads call\ntcp_v6_do_rcv() with skb-\u003etruesize=768, the sk_forward_alloc changes like\nthis:\n (cpu 1)             | (cpu 2)             | sk_forward_alloc\n ...                 | ...                 | 0\n __sk_mem_schedule() |                     | +4096 = 4096\n                     | __sk_mem_schedule() | +4096 = 8192\n sk_mem_charge()     |                     | -768  = 7424\n                     | sk_mem_charge()     | -768  = 6656\n ...                 |    ...              |\n sk_mem_uncharge()   |                     | +768  = 7424\n reclaimable=7424    |                     |\n                     | sk_mem_uncharge()   | +768  = 8192\n                     | reclaimable=8192    |\n __sk_mem_reclaim()  |                     | -4096 = 4096\n                     | __sk_mem_reclaim()  | -8192 = -4096 != 0\n\nThe skb_clone_and_charge_r() should not be called in tcp_v6_do_rcv() when\nsk-\u003esk_state is TCP_LISTEN, it happens later in tcp_v6_syn_recv_sock().\nFix the same issue in dccp_v6_do_rcv()."
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngeneve: Fix use-after-free in geneve_find_dev().\n\nsyzkaller reported a use-after-free in geneve_find_dev() [0]\nwithout repro.\n\ngeneve_configure() links struct geneve_dev.next to\nnet_generic(net, geneve_net_id)-\u003egeneve_list.\n\nThe net here could differ from dev_net(dev) if IFLA_NET_NS_PID,\nIFLA_NET_NS_FD, or IFLA_TARGET_NETNSID is set.\n\nWhen dev_net(dev) is dismantled, geneve_exit_batch_rtnl() finally\ncalls unregister_netdevice_queue() for each dev in the netns,\nand later the dev is freed.\n\nHowever, its geneve_dev.next is still linked to the backend UDP\nsocket netns.\n\nThen, use-after-free will occur when another geneve dev is created\nin the netns.\n\nLet\u0027s call geneve_dellink() instead in geneve_destroy_tunnels().\n\n[0]:\nBUG: KASAN: slab-use-after-free in geneve_find_dev drivers/net/geneve.c:1295 [inline]\nBUG: KASAN: slab-use-after-free in geneve_configure+0x234/0x858 drivers/net/geneve.c:1343\nRead of size 2 at addr ffff000054d6ee24 by task syz.1.4029/13441\n\nCPU: 1 UID: 0 PID: 13441 Comm: syz.1.4029 Not tainted 6.13.0-g0ad9617c78ac #24 dc35ca22c79fb82e8e7bc5c9c9adafea898b1e3d\nHardware name: linux,dummy-virt (DT)\nCall trace:\n show_stack+0x38/0x50 arch/arm64/kernel/stacktrace.c:466 (C)\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0xbc/0x108 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x16c/0x6f0 mm/kasan/report.c:489\n kasan_report+0xc0/0x120 mm/kasan/report.c:602\n __asan_report_load2_noabort+0x20/0x30 mm/kasan/report_generic.c:379\n geneve_find_dev drivers/net/geneve.c:1295 [inline]\n geneve_configure+0x234/0x858 drivers/net/geneve.c:1343\n geneve_newlink+0xb8/0x128 drivers/net/geneve.c:1634\n rtnl_newlink_create+0x23c/0x868 net/core/rtnetlink.c:3795\n __rtnl_newlink net/core/rtnetlink.c:3906 [inline]\n rtnl_newlink+0x1054/0x1630 net/core/rtnetlink.c:4021\n rtnetlink_rcv_msg+0x61c/0x918 net/core/rtnetlink.c:6911\n netlink_rcv_skb+0x1dc/0x398 net/netlink/af_netlink.c:2543\n rtnetlink_rcv+0x34/0x50 net/core/rtnetlink.c:6938\n netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]\n netlink_unicast+0x618/0x838 net/netlink/af_netlink.c:1348\n netlink_sendmsg+0x5fc/0x8b0 net/netlink/af_netlink.c:1892\n sock_sendmsg_nosec net/socket.c:713 [inline]\n __sock_sendmsg net/socket.c:728 [inline]\n ____sys_sendmsg+0x410/0x6f8 net/socket.c:2568\n ___sys_sendmsg+0x178/0x1d8 net/socket.c:2622\n __sys_sendmsg net/socket.c:2654 [inline]\n __do_sys_sendmsg net/socket.c:2659 [inline]\n __se_sys_sendmsg net/socket.c:2657 [inline]\n __arm64_sys_sendmsg+0x12c/0x1c8 net/socket.c:2657\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x90/0x278 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x13c/0x250 arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x54/0x70 arch/arm64/kernel/syscall.c:151\n el0_svc+0x4c/0xa8 arch/arm64/kernel/entry-common.c:744\n el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:762\n el0t_64_sync+0x198/0x1a0 arch/arm64/kernel/entry.S:600\n\nAllocated by task 13247:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x30/0x68 mm/kasan/common.c:68\n kasan_save_alloc_info+0x44/0x58 mm/kasan/generic.c:568\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0x84/0xa0 mm/kasan/common.c:394\n kasan_kmalloc include/linux/kasan.h:260 [inline]\n __do_kmalloc_node mm/slub.c:4298 [inline]\n __kmalloc_node_noprof+0x2a0/0x560 mm/slub.c:4304\n __kvmalloc_node_noprof+0x9c/0x230 mm/util.c:645\n alloc_netdev_mqs+0xb8/0x11a0 net/core/dev.c:11470\n rtnl_create_link+0x2b8/0xb50 net/core/rtnetlink.c:3604\n rtnl_newlink_create+0x19c/0x868 net/core/rtnetlink.c:3780\n __rtnl_newlink net/core/rtnetlink.c:3906 [inline]\n rtnl_newlink+0x1054/0x1630 net/core/rtnetlink.c:4021\n rtnetlink_rcv_msg+0x61c/0x918 net/core/rtnetlink.c:6911\n netlink_rcv_skb+0x1dc/0x398 net/netlink/af_netlink.c:2543\n rtnetlink_rcv+0x34/0x50 net/core/rtnetlink.c:6938\n netlink_unicast_kernel net/netlink/af_n\n---truncated---"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix rq-qos breakage from skipping rq_qos_done_bio()\n\na647a524a467 (\"block: don\u0027t call rq_qos_ops-\u003edone_bio if the bio isn\u0027t\ntracked\") made bio_endio() skip rq_qos_done_bio() if BIO_TRACKED is not set.\nWhile this fixed a potential oops, it also broke blk-iocost by skipping the\ndone_bio callback for merged bios.\n\nBefore, whether a bio goes through rq_qos_throttle() or rq_qos_merge(),\nrq_qos_done_bio() would be called on the bio on completion with BIO_TRACKED\ndistinguishing the former from the latter. rq_qos_done_bio() is not called\nfor bios which wenth through rq_qos_merge(). This royally confuses\nblk-iocost as the merged bios never finish and are considered perpetually\nin-flight.\n\nOne reliably reproducible failure mode is an intermediate cgroup geting\nstuck active preventing its children from being activated due to the\nleaf-only rule, leading to loss of control. The following is from\nresctl-bench protection scenario which emulates isolating a web server like\nworkload from a memory bomb run on an iocost configuration which should\nyield a reasonable level of protection.\n\n  # cat /sys/block/nvme2n1/device/model\n  Samsung SSD 970 PRO 512GB\n  # cat /sys/fs/cgroup/io.cost.model\n  259:0 ctrl=user model=linear rbps=834913556 rseqiops=93622 rrandiops=102913 wbps=618985353 wseqiops=72325 wrandiops=71025\n  # cat /sys/fs/cgroup/io.cost.qos\n  259:0 enable=1 ctrl=user rpct=95.00 rlat=18776 wpct=95.00 wlat=8897 min=60.00 max=100.00\n  # resctl-bench -m 29.6G -r out.json run protection::scenario=mem-hog,loops=1\n  ...\n  Memory Hog Summary\n  ==================\n\n  IO Latency: R p50=242u:336u/2.5m p90=794u:1.4m/7.5m p99=2.7m:8.0m/62.5m max=8.0m:36.4m/350m\n              W p50=221u:323u/1.5m p90=709u:1.2m/5.5m p99=1.5m:2.5m/9.5m max=6.9m:35.9m/350m\n\n  Isolation and Request Latency Impact Distributions:\n\n                min   p01   p05   p10   p25   p50   p75   p90   p95   p99   max  mean stdev\n  isol%       15.90 15.90 15.90 40.05 57.24 59.07 60.01 74.63 74.63 90.35 90.35 58.12 15.82\n  lat-imp%        0     0     0     0     0  4.55 14.68 15.54 233.5 548.1 548.1 53.88 143.6\n\n  Result: isol=58.12:15.82% lat_imp=53.88%:143.6 work_csv=100.0% missing=3.96%\n\nThe isolation result of 58.12% is close to what this device would show\nwithout any IO control.\n\nFix it by introducing a new flag BIO_QOS_MERGED to mark merged bios and\ncalling rq_qos_done_bio() on them too. For consistency and clarity, rename\nBIO_TRACKED to BIO_QOS_THROTTLED. The flag checks are moved into\nrq_qos_done_bio() so that it\u0027s next to the code paths that set the flags.\n\nWith the patch applied, the above same benchmark shows:\n\n  # resctl-bench -m 29.6G -r out.json run protection::scenario=mem-hog,loops=1\n  ...\n  Memory Hog Summary\n  ==================\n\n  IO Latency: R p50=123u:84.4u/985u p90=322u:256u/2.5m p99=1.6m:1.4m/9.5m max=11.1m:36.0m/350m\n              W p50=429u:274u/995u p90=1.7m:1.3m/4.5m p99=3.4m:2.7m/11.5m max=7.9m:5.9m/26.5m\n\n  Isolation and Request Latency Impact Distributions:\n\n                min   p01   p05   p10   p25   p50   p75   p90   p95   p99   max  mean stdev\n  isol%       84.91 84.91 89.51 90.73 92.31 94.49 96.36 98.04 98.71 100.0 100.0 94.42  2.81\n  lat-imp%        0     0     0     0     0  2.81  5.73 11.11 13.92 17.53 22.61  4.10  4.68\n\n  Result: isol=94.42:2.81% lat_imp=4.10%:4.68 work_csv=58.34% missing=0%"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix warning in ext4_handle_inode_extension\n\nWe got issue as follows:\nEXT4-fs error (device loop0) in ext4_reserve_inode_write:5741: Out of memory\nEXT4-fs error (device loop0): ext4_setattr:5462: inode #13: comm syz-executor.0: mark_inode_dirty error\nEXT4-fs error (device loop0) in ext4_setattr:5519: Out of memory\nEXT4-fs error (device loop0): ext4_ind_map_blocks:595: inode #13: comm syz-executor.0: Can\u0027t allocate blocks for non-extent mapped inodes with bigalloc\n------------[ cut here ]------------\nWARNING: CPU: 1 PID: 4361 at fs/ext4/file.c:301 ext4_file_write_iter+0x11c9/0x1220\nModules linked in:\nCPU: 1 PID: 4361 Comm: syz-executor.0 Not tainted 5.10.0+ #1\nRIP: 0010:ext4_file_write_iter+0x11c9/0x1220\nRSP: 0018:ffff924d80b27c00 EFLAGS: 00010282\nRAX: ffffffff815a3379 RBX: 0000000000000000 RCX: 000000003b000000\nRDX: ffff924d81601000 RSI: 00000000000009cc RDI: 00000000000009cd\nRBP: 000000000000000d R08: ffffffffbc5a2c6b R09: 0000902e0e52a96f\nR10: ffff902e2b7c1b40 R11: ffff902e2b7c1b40 R12: 000000000000000a\nR13: 0000000000000001 R14: ffff902e0e52aa10 R15: ffffffffffffff8b\nFS:  00007f81a7f65700(0000) GS:ffff902e3bc80000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffffffff600400 CR3: 000000012db88001 CR4: 00000000003706e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n do_iter_readv_writev+0x2e5/0x360\n do_iter_write+0x112/0x4c0\n do_pwritev+0x1e5/0x390\n __x64_sys_pwritev2+0x7e/0xa0\n do_syscall_64+0x37/0x50\n entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nAbove issue may happen as follows:\nAssume\ninode.i_size=4096\nEXT4_I(inode)-\u003ei_disksize=4096\n\nstep 1: set inode-\u003ei_isize = 8192\next4_setattr\n  if (attr-\u003eia_size != inode-\u003ei_size)\n    EXT4_I(inode)-\u003ei_disksize = attr-\u003eia_size;\n    rc = ext4_mark_inode_dirty\n       ext4_reserve_inode_write\n          ext4_get_inode_loc\n            __ext4_get_inode_loc\n              sb_getblk --\u003e return -ENOMEM\n   ...\n   if (!error)  -\u003ewill not update i_size\n     i_size_write(inode, attr-\u003eia_size);\nNow:\ninode.i_size=4096\nEXT4_I(inode)-\u003ei_disksize=8192\n\nstep 2: Direct write 4096 bytes\next4_file_write_iter\n ext4_dio_write_iter\n   iomap_dio_rw -\u003ereturn error\n if (extend)\n   ext4_handle_inode_extension\n     WARN_ON_ONCE(i_size_read(inode) \u003c EXT4_I(inode)-\u003ei_disksize);\n-\u003eThen trigger warning.\n\nTo solve above issue, if mark inode dirty failed in ext4_setattr just\nset \u0027EXT4_I(inode)-\u003ei_disksize\u0027 with old value."
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