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KASAN: vmalloc-out-of-bounds Read in __cfg8NUM_wpan_dev_from_attrs | 1 (2) | 2020/06/30 03:50 |
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KASAN: vmalloc-out-of-bounds Read in __cfg8NUM_wpan_dev_from_attrs | 1 (2) | 2020/06/30 03:50 |
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.5'. ================================================================== BUG: KASAN: vmalloc-out-of-bounds in nla_get_u32 include/net/netlink.h:1541 [inline] BUG: KASAN: vmalloc-out-of-bounds in __cfg802154_wpan_dev_from_attrs+0x4b4/0x510 net/ieee802154/nl802154.c:53 Read of size 4 at addr ffffc90001ad9018 by task syz-executor.5/31529 CPU: 1 PID: 31529 Comm: syz-executor.5 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_get_u32 include/net/netlink.h:1541 [inline] __cfg802154_wpan_dev_from_attrs+0x4b4/0x510 net/ieee802154/nl802154.c:53 nl802154_prepare_wpan_dev_dump.constprop.0+0xf9/0x490 net/ieee802154/nl802154.c:245 nl802154_dump_llsec_dev+0xc0/0xb10 net/ieee802154/nl802154.c:1655 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:00007ff9558abc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000502400 RCX: 000000000045cb19 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a38 R14: 00000000004cd1fc R15: 00007ff9558ac6d4 Memory state around the buggy address: ffffc90001ad8f00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ffffc90001ad8f80: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 >ffffc90001ad9000: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ^ ffffc90001ad9080: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 ffffc90001ad9100: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/06/27 00:51 | bpf | 7a64135f3229 | aea82c00 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2020/06/26 12:48 | bpf | 7a64135f3229 | aea82c00 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2020/07/11 09:59 | bpf-next | eef8a42d6ce0 | 18d18b59 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2020/06/27 11:23 | net-next-old | 7bed14551659 | ffec44b5 | .config | console log | report | ci-upstream-net-kasan-gce |