{"api_version":"1","generated_at":"2026-06-04T00:44:11+00:00","cve":"CVE-2026-46260","urls":{"html":"https://cve.report/CVE-2026-46260","api":"https://cve.report/api/cve/CVE-2026-46260.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46260","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46260"},"summary":{"title":"ipv6: Fix out-of-bound access in fib6_add_rt2node().","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix out-of-bound access in fib6_add_rt2node().\n\nsyzbot reported out-of-bound read in fib6_add_rt2node(). [0]\n\nWhen IPv6 route is created with RTA_NH_ID, struct fib6_info\ndoes not have the trailing struct fib6_nh.\n\nThe cited commit started to check !iter->fib6_nh->fib_nh_gw_family\nto ensure that rt6_qualify_for_ecmp() will return false for iter.\n\nIf iter->nh is not NULL, rt6_qualify_for_ecmp() returns false anyway.\n\nLet's check iter->nh before reading iter->fib6_nh and avoid OOB read.\n\n[0]:\nBUG: KASAN: slab-out-of-bounds in fib6_add_rt2node+0x349c/0x3500 net/ipv6/ip6_fib.c:1142\nRead of size 1 at addr ffff8880384ba6de by task syz.0.18/5500\n\nCPU: 0 UID: 0 PID: 5500 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xba/0x230 mm/kasan/report.c:482\n kasan_report+0x117/0x150 mm/kasan/report.c:595\n fib6_add_rt2node+0x349c/0x3500 net/ipv6/ip6_fib.c:1142\n fib6_add_rt2node_nh net/ipv6/ip6_fib.c:1363 [inline]\n fib6_add+0x910/0x18c0 net/ipv6/ip6_fib.c:1531\n __ip6_ins_rt net/ipv6/route.c:1351 [inline]\n ip6_route_add+0xde/0x1b0 net/ipv6/route.c:3957\n inet6_rtm_newroute+0x268/0x19e0 net/ipv6/route.c:5660\n rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592\n ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646\n __sys_sendmsg net/socket.c:2678 [inline]\n __do_sys_sendmsg net/socket.c:2683 [inline]\n __se_sys_sendmsg net/socket.c:2681 [inline]\n __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f9316b9aeb9\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007ffd8809b678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f9316e15fa0 RCX: 00007f9316b9aeb9\nRDX: 0000000000000000 RSI: 0000200000004380 RDI: 0000000000000003\nRBP: 00007f9316c08c1f R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007f9316e15fac R14: 00007f9316e15fa0 R15: 00007f9316e15fa0\n </TASK>\n\nAllocated by task 5499:\n kasan_save_stack mm/kasan/common.c:57 [inline]\n kasan_save_track+0x3e/0x80 mm/kasan/common.c:78\n poison_kmalloc_redzone mm/kasan/common.c:398 [inline]\n __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415\n kasan_kmalloc include/linux/kasan.h:263 [inline]\n __do_kmalloc_node mm/slub.c:5657 [inline]\n __kmalloc_noprof+0x40c/0x7e0 mm/slub.c:5669\n kmalloc_noprof include/linux/slab.h:961 [inline]\n kzalloc_noprof include/linux/slab.h:1094 [inline]\n fib6_info_alloc+0x30/0xf0 net/ipv6/ip6_fib.c:155\n ip6_route_info_create+0x142/0x860 net/ipv6/route.c:3820\n ip6_route_add+0x49/0x1b0 net/ipv6/route.c:3949\n inet6_rtm_newroute+0x268/0x19e0 net/ipv6/route.c:5660\n rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592\n ___sys_s\n---truncated---","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-03 18:16:27","updated_at":"2026-06-03 18:16:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/bcc60ad129ae1837cf809c81bff56ec8bfdb6b11","name":"https://git.kernel.org/stable/c/bcc60ad129ae1837cf809c81bff56ec8bfdb6b11","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03b5051e02f5a3772eee57493ad697d4b505b0c2","name":"https://git.kernel.org/stable/c/03b5051e02f5a3772eee57493ad697d4b505b0c2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/500e54615c97bc3c427e52305a6fcd38a0e008a3","name":"https://git.kernel.org/stable/c/500e54615c97bc3c427e52305a6fcd38a0e008a3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bf5009a06e03ee9a51052bb59f2228a5e4e66260","name":"https://git.kernel.org/stable/c/bf5009a06e03ee9a51052bb59f2228a5e4e66260","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8244f959e2c125c849e569f5b23ed49804cce695","name":"https://git.kernel.org/stable/c/8244f959e2c125c849e569f5b23ed49804cce695","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46260","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46260","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 50b7c7a255858a85c4636a1e990ca04591153dca bcc60ad129ae1837cf809c81bff56ec8bfdb6b11 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d8143c54ceeba232dc8a13aa0afa14a44b371d93 bf5009a06e03ee9a51052bb59f2228a5e4e66260 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b8ad2d53f706aeea833d23d45c0758398fede580 03b5051e02f5a3772eee57493ad697d4b505b0c2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bbf4a17ad9ffc4e3d7ec13d73ecd59dea149ed25 500e54615c97bc3c427e52305a6fcd38a0e008a3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bbf4a17ad9ffc4e3d7ec13d73ecd59dea149ed25 8244f959e2c125c849e569f5b23ed49804cce695 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.124 6.6.128 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.70 6.12.75 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.10 6.18.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.128 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.75 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.14 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.4 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/ip6_fib.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bcc60ad129ae1837cf809c81bff56ec8bfdb6b11","status":"affected","version":"50b7c7a255858a85c4636a1e990ca04591153dca","versionType":"git"},{"lessThan":"bf5009a06e03ee9a51052bb59f2228a5e4e66260","status":"affected","version":"d8143c54ceeba232dc8a13aa0afa14a44b371d93","versionType":"git"},{"lessThan":"03b5051e02f5a3772eee57493ad697d4b505b0c2","status":"affected","version":"b8ad2d53f706aeea833d23d45c0758398fede580","versionType":"git"},{"lessThan":"500e54615c97bc3c427e52305a6fcd38a0e008a3","status":"affected","version":"bbf4a17ad9ffc4e3d7ec13d73ecd59dea149ed25","versionType":"git"},{"lessThan":"8244f959e2c125c849e569f5b23ed49804cce695","status":"affected","version":"bbf4a17ad9ffc4e3d7ec13d73ecd59dea149ed25","versionType":"git"},{"lessThan":"6.6.128","status":"affected","version":"6.6.124","versionType":"semver"},{"lessThan":"6.12.75","status":"affected","version":"6.12.70","versionType":"semver"},{"lessThan":"6.18.14","status":"affected","version":"6.18.10","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/ip6_fib.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"6.6.124","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"6.12.70","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.14","versionStartIncluding":"6.18.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix out-of-bound access in fib6_add_rt2node().\n\nsyzbot reported out-of-bound read in fib6_add_rt2node(). [0]\n\nWhen IPv6 route is created with RTA_NH_ID, struct fib6_info\ndoes not have the trailing struct fib6_nh.\n\nThe cited commit started to check !iter->fib6_nh->fib_nh_gw_family\nto ensure that rt6_qualify_for_ecmp() will return false for iter.\n\nIf iter->nh is not NULL, rt6_qualify_for_ecmp() returns false anyway.\n\nLet's check iter->nh before reading iter->fib6_nh and avoid OOB read.\n\n[0]:\nBUG: KASAN: slab-out-of-bounds in fib6_add_rt2node+0x349c/0x3500 net/ipv6/ip6_fib.c:1142\nRead of size 1 at addr ffff8880384ba6de by task syz.0.18/5500\n\nCPU: 0 UID: 0 PID: 5500 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xba/0x230 mm/kasan/report.c:482\n kasan_report+0x117/0x150 mm/kasan/report.c:595\n fib6_add_rt2node+0x349c/0x3500 net/ipv6/ip6_fib.c:1142\n fib6_add_rt2node_nh net/ipv6/ip6_fib.c:1363 [inline]\n fib6_add+0x910/0x18c0 net/ipv6/ip6_fib.c:1531\n __ip6_ins_rt net/ipv6/route.c:1351 [inline]\n ip6_route_add+0xde/0x1b0 net/ipv6/route.c:3957\n inet6_rtm_newroute+0x268/0x19e0 net/ipv6/route.c:5660\n rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592\n ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646\n __sys_sendmsg net/socket.c:2678 [inline]\n __do_sys_sendmsg net/socket.c:2683 [inline]\n __se_sys_sendmsg net/socket.c:2681 [inline]\n __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f9316b9aeb9\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007ffd8809b678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f9316e15fa0 RCX: 00007f9316b9aeb9\nRDX: 0000000000000000 RSI: 0000200000004380 RDI: 0000000000000003\nRBP: 00007f9316c08c1f R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007f9316e15fac R14: 00007f9316e15fa0 R15: 00007f9316e15fa0\n </TASK>\n\nAllocated by task 5499:\n kasan_save_stack mm/kasan/common.c:57 [inline]\n kasan_save_track+0x3e/0x80 mm/kasan/common.c:78\n poison_kmalloc_redzone mm/kasan/common.c:398 [inline]\n __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415\n kasan_kmalloc include/linux/kasan.h:263 [inline]\n __do_kmalloc_node mm/slub.c:5657 [inline]\n __kmalloc_noprof+0x40c/0x7e0 mm/slub.c:5669\n kmalloc_noprof include/linux/slab.h:961 [inline]\n kzalloc_noprof include/linux/slab.h:1094 [inline]\n fib6_info_alloc+0x30/0xf0 net/ipv6/ip6_fib.c:155\n ip6_route_info_create+0x142/0x860 net/ipv6/route.c:3820\n ip6_route_add+0x49/0x1b0 net/ipv6/route.c:3949\n inet6_rtm_newroute+0x268/0x19e0 net/ipv6/route.c:5660\n rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592\n ___sys_s\n---truncated---"}],"providerMetadata":{"dateUpdated":"2026-06-03T15:49:57.561Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/bcc60ad129ae1837cf809c81bff56ec8bfdb6b11"},{"url":"https://git.kernel.org/stable/c/bf5009a06e03ee9a51052bb59f2228a5e4e66260"},{"url":"https://git.kernel.org/stable/c/03b5051e02f5a3772eee57493ad697d4b505b0c2"},{"url":"https://git.kernel.org/stable/c/500e54615c97bc3c427e52305a6fcd38a0e008a3"},{"url":"https://git.kernel.org/stable/c/8244f959e2c125c849e569f5b23ed49804cce695"}],"title":"ipv6: Fix out-of-bound access in fib6_add_rt2node().","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46260","datePublished":"2026-06-03T15:49:57.561Z","dateReserved":"2026-05-13T15:03:33.108Z","dateUpdated":"2026-06-03T15:49:57.561Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-03 18:16:27","lastModifiedDate":"2026-06-03 18:16:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46260","Ordinal":"1","Title":"ipv6: Fix out-of-bound access in fib6_add_rt2node().","CVE":"CVE-2026-46260","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46260","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix out-of-bound access in fib6_add_rt2node().\n\nsyzbot reported out-of-bound read in fib6_add_rt2node(). [0]\n\nWhen IPv6 route is created with RTA_NH_ID, struct fib6_info\ndoes not have the trailing struct fib6_nh.\n\nThe cited commit started to check !iter->fib6_nh->fib_nh_gw_family\nto ensure that rt6_qualify_for_ecmp() will return false for iter.\n\nIf iter->nh is not NULL, rt6_qualify_for_ecmp() returns false anyway.\n\nLet's check iter->nh before reading iter->fib6_nh and avoid OOB read.\n\n[0]:\nBUG: KASAN: slab-out-of-bounds in fib6_add_rt2node+0x349c/0x3500 net/ipv6/ip6_fib.c:1142\nRead of size 1 at addr ffff8880384ba6de by task syz.0.18/5500\n\nCPU: 0 UID: 0 PID: 5500 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xba/0x230 mm/kasan/report.c:482\n kasan_report+0x117/0x150 mm/kasan/report.c:595\n fib6_add_rt2node+0x349c/0x3500 net/ipv6/ip6_fib.c:1142\n fib6_add_rt2node_nh net/ipv6/ip6_fib.c:1363 [inline]\n fib6_add+0x910/0x18c0 net/ipv6/ip6_fib.c:1531\n __ip6_ins_rt net/ipv6/route.c:1351 [inline]\n ip6_route_add+0xde/0x1b0 net/ipv6/route.c:3957\n inet6_rtm_newroute+0x268/0x19e0 net/ipv6/route.c:5660\n rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592\n ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646\n __sys_sendmsg net/socket.c:2678 [inline]\n __do_sys_sendmsg net/socket.c:2683 [inline]\n __se_sys_sendmsg net/socket.c:2681 [inline]\n __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f9316b9aeb9\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007ffd8809b678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f9316e15fa0 RCX: 00007f9316b9aeb9\nRDX: 0000000000000000 RSI: 0000200000004380 RDI: 0000000000000003\nRBP: 00007f9316c08c1f R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007f9316e15fac R14: 00007f9316e15fa0 R15: 00007f9316e15fa0\n </TASK>\n\nAllocated by task 5499:\n kasan_save_stack mm/kasan/common.c:57 [inline]\n kasan_save_track+0x3e/0x80 mm/kasan/common.c:78\n poison_kmalloc_redzone mm/kasan/common.c:398 [inline]\n __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415\n kasan_kmalloc include/linux/kasan.h:263 [inline]\n __do_kmalloc_node mm/slub.c:5657 [inline]\n __kmalloc_noprof+0x40c/0x7e0 mm/slub.c:5669\n kmalloc_noprof include/linux/slab.h:961 [inline]\n kzalloc_noprof include/linux/slab.h:1094 [inline]\n fib6_info_alloc+0x30/0xf0 net/ipv6/ip6_fib.c:155\n ip6_route_info_create+0x142/0x860 net/ipv6/route.c:3820\n ip6_route_add+0x49/0x1b0 net/ipv6/route.c:3949\n inet6_rtm_newroute+0x268/0x19e0 net/ipv6/route.c:5660\n rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958\n netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550\n netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]\n netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344\n netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592\n ___sys_s\n---truncated---","Type":"Description","Title":"ipv6: Fix out-of-bound access in fib6_add_rt2node()."}]}}}