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KASAN: vmalloc-out-of-bounds Read in __nla_validate_parse | 1 (2) | 2020/06/30 03:51 |
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KASAN: vmalloc-out-of-bounds Read in __nla_validate_parse | 1 (2) | 2020/06/30 03:51 |
netlink: 'syz-executor.0': attribute type 2 has an invalid length. ================================================================== BUG: KASAN: vmalloc-out-of-bounds in nla_next include/net/netlink.h:1160 [inline] BUG: KASAN: vmalloc-out-of-bounds in __nla_validate_parse+0x1ebc/0x21a0 lib/nlattr.c:521 Read of size 2 at addr ffffc90001bb9018 by task syz-executor.0/5009 CPU: 0 PID: 5009 Comm: syz-executor.0 Not tainted 5.8.0-rc1-syzkaller #0 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+0x18f/0x20d lib/dump_stack.c:118 print_address_description.constprop.0.cold+0x5/0x436 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530 nla_next include/net/netlink.h:1160 [inline] __nla_validate_parse+0x1ebc/0x21a0 lib/nlattr.c:521 __nla_parse+0x3d/0x4a lib/nlattr.c:630 nla_parse_nested_deprecated include/net/netlink.h:1218 [inline] tipc_nl_publ_dump+0x239/0xce0 net/tipc/socket.c:3766 genl_lock_dumpit+0x7f/0xb0 net/netlink/genetlink.c:575 netlink_dump+0x4cd/0xf60 net/netlink/af_netlink.c:2245 __netlink_dump_start+0x643/0x900 net/netlink/af_netlink.c:2353 genl_family_rcv_msg_dumpit+0x2ac/0x310 net/netlink/genetlink.c:638 genl_family_rcv_msg net/netlink/genetlink.c:733 [inline] genl_rcv_msg+0x797/0x9e0 net/netlink/genetlink.c:753 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2469 genl_rcv+0x24/0x40 net/netlink/genetlink.c:764 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2352 ___sys_sendmsg+0xf3/0x170 net/socket.c:2406 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2439 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cb19 Code: Bad RIP value. RSP: 002b:00007f3bc1842c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000502440 RCX: 000000000045cb19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a39 R14: 00000000004cd203 R15: 00007f3bc18436d4 Memory state around the buggy address: ffffc90001bb8f00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ffffc90001bb8f80: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 >ffffc90001bb9000: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ^ ffffc90001bb9080: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ffffc90001bb9100: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/06/28 23:00 | bpf | 7a64135f3229 | a2cdad9d | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2020/06/24 00:48 | bpf | 4e15507fea70 | 54566aff | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2020/07/14 01:23 | bpf-next | eef8a42d6ce0 | f90ec899 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2020/07/12 20:10 | bpf-next | eef8a42d6ce0 | 115e1930 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2020/07/11 06:33 | bpf-next | eef8a42d6ce0 | 18d18b59 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2020/07/09 13:38 | bpf-next | 5cfd607b49db | bc238812 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2020/07/09 12:34 | bpf-next | 5cfd607b49db | bc238812 | .config | console log | report | ci-upstream-bpf-next-kasan-gce |