PANIC: double fault, error_code: 0x0 ================================================================== CPU: 0 PID: 22929 Comm: syz-executor3 Not tainted 4.18.0-rc3+ #55 BUG: KASAN: stack-out-of-bounds in fib_table_lookup+0x20fc/0x24a0 net/ipv4/fib_trie.c:1455 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 1 at addr ffff8801cae9c474 by task swapper/1/0 RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294 Code: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.18.0-rc3+ #55 41 57 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 41 Call Trace: 89 cf 41 56 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 41 55 49 89 fd 41 54 45 print_address_description+0x6c/0x20b mm/kasan/report.c:256 89 cc kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 53 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report.c:430 65 fib_table_lookup+0x20fc/0x24a0 net/ipv4/fib_trie.c:1455 4c 8b 34 25 40 ee 01 00 48 83 e4 f0 48 81 ec 60 03 00 00 48 fib_lookup include/net/ip_fib.h:330 [inline] ip_route_input_slow+0xbe9/0x3d50 net/ipv4/route.c:1992 8b 45 10 <89> 94 24 80 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 84 24 98 RSP: 0018:ffff8801caa86f20 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 1ffff10039550e61 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620 RBP: ffff8801caa872b0 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8801caf6fbe0 R11: ffff8801c13b0afb R12: 0000000000000000 R13: ffffffff88f92620 R14: ffff8801c13b0380 R15: 0000000000000002 FS: 00000000020c7940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801caa86f18 CR3: 00000001af628000 CR4: 00000000001406f0 DR0: 00000000200001c0 DR1: 00000000200001c0 DR2: 00000000200001c0 DR3: 00000000200001c0 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: