ptrace attach of "/root/syz-executor.4"[10625] was attempted by "/root/syz-executor.4"[10628]
------------[ cut here ]------------
kernel BUG at mm/slab.c:4427!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 10643 Comm: syz-executor.0 Not tainted 4.14.136 #32
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888051ee4240 task.stack: ffff88803db60000
RIP: 0010:__check_heap_object+0x58/0x5a mm/slab.c:4427
RSP: 0018:ffff88803db67bc0 EFLAGS: 00010293
RAX: 00000000000f0f0f RBX: 0000000000000711 RCX: 000000000000000c
RDX: 00000000e1e1e1df RSI: 0000000000000711 RDI: ffff8880530d41bd
RBP: ffff88803db67c00 R08: ffff8880aa800dc0 R09: ffff8880530d41c0
R10: ffff88821fff8010 R11: 0000000000000001 R12: ffff8880530d41bd
R13: ffffea00014c3500 R14: 0000000000000001 R15: ffffea00014c3500
FS:  00007f3721f6e700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000738000 CR3: 00000000950a1000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 check_object_size include/linux/thread_info.h:108 [inline]
 check_copy_size include/linux/thread_info.h:139 [inline]
 copy_to_user include/linux/uaccess.h:154 [inline]
 bpf_test_finish.isra.0+0x9a/0x150 net/bpf/test_run.c:59
 bpf_prog_test_run_skb+0x5af/0x9a0 net/bpf/test_run.c:144
 bpf_prog_test_run kernel/bpf/syscall.c:1258 [inline]
 SYSC_bpf kernel/bpf/syscall.c:1520 [inline]
 SyS_bpf+0x749/0x38f3 kernel/bpf/syscall.c:1469
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459829
RSP: 002b:00007f3721f6dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000000028 RSI: 00000000200004c0 RDI: 000000000000000a
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3721f6e6d4
R13: 00000000004bfb92 R14: 00000000004d1758 R15: 00000000ffffffff
Code: e8 41 39 40 24 76 24 41 0f af 40 14 4c 01 c8 48 29 c7 49 63 40 74 48 39 f8 72 08 48 29 f8 48 39 f0 73 05 49 8b 40 58 c3 31 c0 c3 <0f> 0b 44 89 e9 48 c7 c7 70 cf 41 87 89 75 d4 4c 8d 45 cc 81 e1 
RIP: __check_heap_object+0x58/0x5a mm/slab.c:4427 RSP: ffff88803db67bc0
net_ratelimit: 15 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop1' (ffff8880a49b3760): kobject_uevent_env
kobject: 'loop1' (ffff8880a49b3760): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (ffff8880a4a2b1e0): kobject_uevent_env
binder: 10649:10652 ioctl 4018620d 20000040 returned -22
kobject: 'loop3' (ffff8880a4a2b1e0): fill_kobj_path: path = '/devices/virtual/block/loop3'
binder: 10649:10652 ioctl 4018620d 20000040 returned -22
---[ end trace c4bc541a72de91a9 ]---