Title | Replies (including bot) | Last reply |
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KASAN: use-after-free Read in xfrm_policy_inexact_insert | 0 (1) | 2018/12/31 08:05 |
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KASAN: use-after-free Read in xfrm_policy_inexact_insert | 0 (1) | 2018/12/31 08:05 |
================================================================== BUG: KASAN: use-after-free in xfrm_policy_insert_inexact_list net/xfrm/xfrm_policy.c:1497 [inline] BUG: KASAN: use-after-free in xfrm_policy_inexact_insert+0xbfa/0xda0 net/xfrm/xfrm_policy.c:1202 Read of size 1 at addr ffff88802c5798d9 by task syz-executor4/30533 CPU: 1 PID: 30533 Comm: syz-executor4 Not tainted 4.20.0+ #19 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317 __asan_report_load1_noabort+0x14/0x20 mm/kasan/generic_report.c:132 xfrm_policy_insert_inexact_list net/xfrm/xfrm_policy.c:1497 [inline] xfrm_policy_inexact_insert+0xbfa/0xda0 net/xfrm/xfrm_policy.c:1202 xfrm_policy_insert+0x623/0x910 net/xfrm/xfrm_policy.c:1570 xfrm_add_policy+0x2a1/0x6c0 net/xfrm/xfrm_user.c:1657 xfrm_user_rcv_msg+0x458/0x8d0 net/xfrm/xfrm_user.c:2663 netlink_rcv_skb+0x17d/0x410 net/netlink/af_netlink.c:2477 xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2671 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x574/0x770 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa05/0xf90 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x7ec/0x910 net/socket.c:2116 __sys_sendmsg+0x112/0x270 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3d823d1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000000000000 RSI: 0000000020000d40 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3d823d26d4 R13: 00000000004c544b R14: 00000000004d9098 R15: 00000000ffffffff Allocated by task 28350: save_stack+0x45/0xd0 mm/kasan/common.c:73 set_track mm/kasan/common.c:85 [inline] kasan_kmalloc mm/kasan/common.c:482 [inline] kasan_kmalloc+0xcf/0xe0 mm/kasan/common.c:455 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:397 kmem_cache_alloc+0x12d/0x710 mm/slab.c:3541 getname_flags fs/namei.c:140 [inline] getname_flags+0xd6/0x5b0 fs/namei.c:129 getname fs/namei.c:211 [inline] user_path_mountpoint_at+0x29/0x50 fs/namei.c:2747 ksys_umount+0x198/0x1340 fs/namespace.c:1645 __do_sys_umount fs/namespace.c:1671 [inline] __se_sys_umount fs/namespace.c:1669 [inline] __x64_sys_umount+0x54/0x80 fs/namespace.c:1669 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 28350: save_stack+0x45/0xd0 mm/kasan/common.c:73 set_track mm/kasan/common.c:85 [inline] __kasan_slab_free+0x102/0x150 mm/kasan/common.c:444 kasan_slab_free+0xe/0x10 mm/kasan/common.c:452 __cache_free mm/slab.c:3485 [inline] kmem_cache_free+0x86/0x260 mm/slab.c:3747 putname+0xef/0x130 fs/namei.c:261 filename_mountpoint+0x337/0x490 fs/namei.c:2725 user_path_mountpoint_at+0x3a/0x50 fs/namei.c:2747 ksys_umount+0x198/0x1340 fs/namespace.c:1645 __do_sys_umount fs/namespace.c:1671 [inline] __se_sys_umount fs/namespace.c:1669 [inline] __x64_sys_umount+0x54/0x80 fs/namespace.c:1669 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff88802c578a80 which belongs to the cache names_cache of size 4096 The buggy address is located 3673 bytes inside of 4096-byte region [ffff88802c578a80, ffff88802c579a80) The buggy address belongs to the page: page:ffffea0000b15e00 count:1 mapcount:0 mapping:ffff88821bc49080 index:0x0 compound_mapcount: 0 flags: 0x1fffc0000010200(slab|head) raw: 01fffc0000010200 ffffea00016e6a08 ffffea00015dc488 ffff88821bc49080 raw: 0000000000000000 ffff88802c578a80 0000000100000001 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88802c579780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802c579800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88802c579880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88802c579900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802c579980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/01/15 13:50 | net-old | 2f960bd05640 | ebacf5cb | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2019/01/12 07:22 | net-old | e8b108b050e8 | c3f3344c | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2019/01/30 03:24 | net-next-old | 085c4c7dd2b6 | aa432daf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/29 23:27 | net-next-old | 085c4c7dd2b6 | aa432daf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/29 11:29 | net-next-old | 085c4c7dd2b6 | aa432daf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/29 09:08 | net-next-old | 085c4c7dd2b6 | aa432daf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/28 13:42 | net-next-old | 085c4c7dd2b6 | 629c2a27 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/27 02:19 | net-next-old | a4b829949326 | c73f090a | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/26 06:50 | net-next-old | 30e5c2c6bf28 | ebf7a37c | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/25 14:31 | net-next-old | 556b2710a1ca | b5d78bce | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/24 13:09 | net-next-old | 254764e55652 | ce1ccf97 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/22 13:21 | net-next-old | fa7f3a8d56b3 | 985f75cc | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/22 11:46 | net-next-old | fa7f3a8d56b3 | 985f75cc | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/21 23:19 | net-next-old | 28f9d1a3d4fe | badbbeee | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/14 00:14 | net-next-old | b71acb0e3721 | c3f3344c | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/12 22:21 | net-next-old | b71acb0e3721 | c3f3344c | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/11 06:39 | net-next-old | b71acb0e3721 | 80dde172 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/08 01:16 | net-next-old | b71acb0e3721 | 69d69aa9 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/07 04:29 | net-next-old | b71acb0e3721 | ee332608 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/06 15:57 | net-next-old | b71acb0e3721 | 94f8adb5 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/06 03:58 | net-next-old | b71acb0e3721 | 53be0a37 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/04 23:12 | net-next-old | b71acb0e3721 | 0127e3ba | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/04 21:08 | net-next-old | b71acb0e3721 | 0127e3ba | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/04 13:47 | net-next-old | b71acb0e3721 | 7da23925 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/03 15:26 | net-next-old | b71acb0e3721 | 66fcd29b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/02 18:46 | net-next-old | b71acb0e3721 | f0491811 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/01 22:02 | net-next-old | b71acb0e3721 | 3d85f48c | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/01 21:20 | net-next-old | b71acb0e3721 | 3d85f48c | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/01 10:36 | net-next-old | b71acb0e3721 | 3d85f48c | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/30 10:15 | net-next-old | b71acb0e3721 | 35e3f847 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/29 18:50 | net-next-old | b71acb0e3721 | a40793d7 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/26 14:11 | net-next-old | 90cadbbf341d | 8a41a0ad | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/26 14:11 | net-next-old | 90cadbbf341d | 8a41a0ad | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/25 19:11 | net-next-old | 90cadbbf341d | 8a41a0ad | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/25 13:27 | net-next-old | 90cadbbf341d | 8a41a0ad | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/23 12:32 | net-next-old | ce28bb445388 | e3bd7ab8 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/23 09:42 | net-next-old | ce28bb445388 | e3bd7ab8 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/23 07:20 | net-next-old | ce28bb445388 | e3bd7ab8 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/23 02:22 | net-next-old | ce28bb445388 | e3bd7ab8 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/20 23:01 | net-next-old | a9cd3439e3c6 | aaf59e84 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/20 10:38 | net-next-old | 24894bc6eabc | 02e69052 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/12/20 08:34 | net-next-old | 24894bc6eabc | 02e69052 | .config | console log | report | ci-upstream-net-kasan-gce |