netlink: 220 bytes leftover after parsing attributes in process `syz-executor1'. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 13305 Comm: syz-executor2 Not tainted 4.17.0-rc3+ #28 Dumping ftrace buffer: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 (ftrace buffer empty) Call Trace: Modules linked in: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 CPU: 1 PID: 13303 Comm: syz-executor6 Not tainted 4.17.0-rc3+ #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_setsockopt+0x8b/0x120 net/smc/af_smc.c:1287 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149 RSP: 0018:ffff8801ac29fcc8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900054cb000 RDX: 0000000000000005 RSI: ffffffff873e71a6 RDI: 0000000000000028 RBP: ffff8801ac29fcf8 R08: 0000000000000001 R09: ffff8801ac29f770 R10: 0000000000000003 R11: 0000000000000000 R12: ffff8801ac29fd40 R13: 0000000000000006 R14: 0000000000000016 R15: 0000000020000040 FS: 00007fe63f942700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006ff3b8 CR3: 00000001ae689000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sys_setsockopt+0x1bd/0x390 net/socket.c:1903 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1522 __do_sys_setsockopt net/socket.c:1914 [inline] __se_sys_setsockopt net/socket.c:1911 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1911 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3552 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 anon_vma_chain_alloc mm/rmap.c:128 [inline] anon_vma_clone+0x138/0x720 mm/rmap.c:268 anon_vma_fork+0xe8/0x950 mm/rmap.c:331 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 dup_mmap kernel/fork.c:467 [inline] dup_mm kernel/fork.c:1234 [inline] copy_mm kernel/fork.c:1288 [inline] copy_process.part.38+0x2f26/0x6e90 kernel/fork.c:1794 RSP: 002b:00007fe63f941c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fe63f9426d4 RCX: 0000000000455979 RDX: 0000000000000016 RSI: 0000000000000006 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000001 R09: 0000000000000000 copy_process kernel/fork.c:1607 [inline] _do_fork+0x291/0x12a0 kernel/fork.c:2088 __do_sys_clone kernel/fork.c:2195 [inline] __se_sys_clone kernel/fork.c:2189 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2189 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455979 RSP: 002b:00007f5a3d38dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f5a3d38e6d4 RCX: 0000000000455979 RDX: 0000000020000440 RSI: 0000000020000400 RDI: 0000000000300400 RBP: 000000000072bea0 R08: 00000000200004c0 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000052 R14: 00000000006f4850 R15: 0000000000000019 R10: 0000000020000040 R11: 0000000000000246 R12: 00000000ffffffff netlink: 220 bytes leftover after parsing attributes in process `syz-executor1'. R13: 000000000000061f R14: 00000000006fd388 R15: 0000000000000000 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8b 9b 50 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 62 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 28 49 RIP: smc_setsockopt+0x8b/0x120 net/smc/af_smc.c:1287 RSP: ffff8801ac29fcc8 ---[ end trace 62deae3394eb6f08 ]---