Title | Replies (including bot) | Last reply |
---|---|---|
[net-next v1 1/2] tipc: fix use-after-free in tipc_sk_filter_rcv | 4 (4) | 2019/03/21 16:57 |
KASAN: use-after-free Read in tipc_sk_filter_rcv | 0 (1) | 2019/03/20 21:22 |
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Title | Replies (including bot) | Last reply |
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[net-next v1 1/2] tipc: fix use-after-free in tipc_sk_filter_rcv | 4 (4) | 2019/03/21 16:57 |
KASAN: use-after-free Read in tipc_sk_filter_rcv | 0 (1) | 2019/03/20 21:22 |
================================================================== BUG: KASAN: use-after-free in tipc_sk_filter_rcv+0x2166/0x34f0 net/tipc/socket.c:2167 Read of size 4 at addr ffff8880900732b4 by task syz-executor226/7876 CPU: 1 PID: 7876 Comm: syz-executor226 Not tainted 5.0.0+ #101 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+0x172/0x1f0 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_load4_noabort+0x14/0x20 mm/kasan/generic_report.c:131 tipc_sk_filter_rcv+0x2166/0x34f0 net/tipc/socket.c:2167 tipc_sk_enqueue net/tipc/socket.c:2254 [inline] tipc_sk_rcv+0xc45/0x25a0 net/tipc/socket.c:2305 tipc_node_xmit+0x296/0x640 net/tipc/node.c:1402 tipc_node_xmit_skb+0x10f/0x190 net/tipc/node.c:1451 tipc_sk_send_ack+0x40e/0x4e0 net/tipc/socket.c:1678 tipc_recvstream+0x8e3/0xa10 net/tipc/socket.c:1924 sock_recvmsg_nosec net/socket.c:881 [inline] sock_recvmsg net/socket.c:888 [inline] sock_recvmsg+0xd0/0x110 net/socket.c:884 ___sys_recvmsg+0x273/0x5a0 net/socket.c:2422 __sys_recvmsg+0x102/0x1d0 net/socket.c:2471 __do_sys_recvmsg net/socket.c:2481 [inline] __se_sys_recvmsg net/socket.c:2478 [inline] __x64_sys_recvmsg+0x78/0xb0 net/socket.c:2478 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x445879 Code: e8 bc b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 2b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbe925c8db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 0000000000445879 RDX: 0000000000003f00 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c R13: 00007fff8c8d10ff R14: 00007fbe925c99c0 R15: 20c49ba5e353f7cf Allocated by task 7876: save_stack+0x45/0xd0 mm/kasan/common.c:75 set_track mm/kasan/common.c:87 [inline] __kasan_kmalloc mm/kasan/common.c:497 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:470 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:511 __do_kmalloc_node mm/slab.c:3686 [inline] __kmalloc_node_track_caller+0x4e/0x70 mm/slab.c:3700 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:140 __alloc_skb+0x10b/0x5e0 net/core/skbuff.c:208 alloc_skb_fclone include/linux/skbuff.h:1107 [inline] tipc_buf_acquire+0x2f/0x100 net/tipc/msg.c:66 tipc_msg_create+0x38/0x270 net/tipc/msg.c:98 tipc_sk_send_ack+0x19b/0x4e0 net/tipc/socket.c:1664 tipc_recvstream+0x8e3/0xa10 net/tipc/socket.c:1924 sock_recvmsg_nosec net/socket.c:881 [inline] sock_recvmsg net/socket.c:888 [inline] sock_recvmsg+0xd0/0x110 net/socket.c:884 ___sys_recvmsg+0x273/0x5a0 net/socket.c:2422 __sys_recvmsg+0x102/0x1d0 net/socket.c:2471 __do_sys_recvmsg net/socket.c:2481 [inline] __se_sys_recvmsg net/socket.c:2478 [inline] __x64_sys_recvmsg+0x78/0xb0 net/socket.c:2478 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 7876: save_stack+0x45/0xd0 mm/kasan/common.c:75 set_track mm/kasan/common.c:87 [inline] __kasan_slab_free+0x102/0x150 mm/kasan/common.c:459 kasan_slab_free+0xe/0x10 mm/kasan/common.c:467 __cache_free mm/slab.c:3498 [inline] kfree+0xcf/0x230 mm/slab.c:3821 skb_free_head+0x93/0xb0 net/core/skbuff.c:557 skb_release_data+0x576/0x7a0 net/core/skbuff.c:577 skb_release_all+0x4d/0x60 net/core/skbuff.c:631 __kfree_skb net/core/skbuff.c:645 [inline] kfree_skb net/core/skbuff.c:663 [inline] kfree_skb+0xe8/0x390 net/core/skbuff.c:657 tipc_sk_conn_proto_rcv net/tipc/socket.c:1268 [inline] tipc_sk_proto_rcv net/tipc/socket.c:1986 [inline] tipc_sk_filter_rcv+0x241b/0x34f0 net/tipc/socket.c:2162 tipc_sk_enqueue net/tipc/socket.c:2254 [inline] tipc_sk_rcv+0xc45/0x25a0 net/tipc/socket.c:2305 tipc_node_xmit+0x296/0x640 net/tipc/node.c:1402 tipc_node_xmit_skb+0x10f/0x190 net/tipc/node.c:1451 tipc_sk_send_ack+0x40e/0x4e0 net/tipc/socket.c:1678 tipc_recvstream+0x8e3/0xa10 net/tipc/socket.c:1924 sock_recvmsg_nosec net/socket.c:881 [inline] sock_recvmsg net/socket.c:888 [inline] sock_recvmsg+0xd0/0x110 net/socket.c:884 ___sys_recvmsg+0x273/0x5a0 net/socket.c:2422 __sys_recvmsg+0x102/0x1d0 net/socket.c:2471 __do_sys_recvmsg net/socket.c:2481 [inline] __se_sys_recvmsg net/socket.c:2478 [inline] __x64_sys_recvmsg+0x78/0xb0 net/socket.c:2478 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff888090073200 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 180 bytes inside of 1024-byte region [ffff888090073200, ffff888090073600) The buggy address belongs to the page: page:ffffea0002401c80 count:1 mapcount:0 mapping:ffff88812c3f0ac0 index:0x0 compound_mapcount: 0 flags: 0x1fffc0000010200(slab|head) raw: 01fffc0000010200 ffffea00025a2c08 ffff88812c3f1848 ffff88812c3f0ac0 raw: 0000000000000000 ffff888090072000 0000000100000007 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888090073180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888090073200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888090073280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888090073300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888090073380: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/03/20 05:37 | net-next-old | 9bd5423fc75e | 2458c1c6 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2019/03/20 04:43 | bpf-next | a0cfa79f8470 | 2458c1c6 | .config | console log | report | syz | C | ci-upstream-bpf-next-kasan-gce | |||
2019/03/20 04:31 | net-next-old | 9bd5423fc75e | 2458c1c6 | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2019/03/20 04:02 | bpf-next | a0cfa79f8470 | 2458c1c6 | .config | console log | report | syz | C | ci-upstream-bpf-next-kasan-gce | |||
2019/03/20 15:52 | linux-next | 835727301ed3 | a664c187 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2019/03/20 14:23 | linux-next | 835727301ed3 | a664c187 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2019/03/20 10:33 | linux-next | 835727301ed3 | 2458c1c6 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2019/03/20 05:16 | net-next-old | 9bd5423fc75e | 2458c1c6 | .config | console log | report | syz | ci-upstream-net-kasan-gce | ||||
2019/03/20 04:47 | net-next-old | 9bd5423fc75e | 2458c1c6 | .config | console log | report | syz | ci-upstream-net-kasan-gce | ||||
2019/03/20 03:38 | bpf-next | a0cfa79f8470 | 2458c1c6 | .config | console log | report | syz | ci-upstream-bpf-next-kasan-gce | ||||
2019/03/20 12:43 | linux-next | 835727301ed3 | 142c38ee | .config | console log | report | syz | ci-upstream-linux-next-kasan-gce-root | ||||
2019/03/20 10:56 | linux-next | 835727301ed3 | 2458c1c6 | .config | console log | report | syz | ci-upstream-linux-next-kasan-gce-root | ||||
2019/03/27 14:33 | bpf-next | b4b6aa83433e | 4e668495 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 12:27 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 11:24 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 10:15 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 08:53 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 08:47 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 07:40 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 06:35 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 05:22 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 05:16 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 03:49 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/27 00:52 | bpf-next | b4b6aa83433e | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 22:03 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 20:56 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 19:51 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 18:48 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 17:25 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 16:58 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 15:49 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 14:26 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 13:25 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 12:34 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 11:20 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 10:14 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 09:12 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 07:56 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 07:32 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 06:04 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 04:56 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 03:52 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 03:13 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 01:56 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/26 00:43 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 23:20 | bpf-next | 0c4ea7f87abb | 55684ce1 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 21:28 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 20:26 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 19:14 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 17:54 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 16:44 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 15:33 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 13:58 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 10:58 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 09:16 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 08:11 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/25 06:44 | bpf-next | 62b31b42cff9 | 2c86e0a5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/22 16:55 | net-next-old | 0b03a5ca8b14 | dce6e62f | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/03/19 22:26 | bpf-next | a0cfa79f8470 | e4549234 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2019/03/22 13:18 | linux-next | 32a217bae32c | dce6e62f | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |