syzbot

audit: type=1400 audit(1514681419.859:7): avc:  denied  { map } for  pid=3194 comm="syzkaller544834" path="/root/syzkaller544834855" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
WARNING: CPU: 1 PID: 3194 at kernel/bpf/verifier.c:1878 adjust_ptr_min_max_vals+0x58c/0x1820 kernel/bpf/verifier.c:1878
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 3194 Comm: syzkaller544834 Not tainted 4.15.0-rc5+ #242
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:adjust_ptr_min_max_vals+0x58c/0x1820 kernel/bpf/verifier.c:1878
RSP: 0018:ffff8801c7b0f118 EFLAGS: 00010293
RAX: ffff8801c7a40580 RBX: ffff8801c7819200 RCX: ffffffff817e5fdc
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000002049
RBP: ffff8801c7b0f1b0 R08: 0000000000000000 R09: ffffffff858f9ae0
R10: 000000000000006f R11: 0000000000000000 R12: ffff8801c7819250
R13: ffff8801c7819200 R14: ffffc90000002048 R15: ffff8801c7819200
 adjust_reg_min_max_vals kernel/bpf/verifier.c:2326 [inline]
 check_alu_op kernel/bpf/verifier.c:2504 [inline]
 do_check+0x6f09/0xa4a0 kernel/bpf/verifier.c:3881
 bpf_check+0x1f62/0x2770 kernel/bpf/verifier.c:4623
 bpf_prog_load+0xa15/0x1ab0 kernel/bpf/syscall.c:1192
 SYSC_bpf kernel/bpf/syscall.c:1723 [inline]
 SyS_bpf+0x1044/0x4420 kernel/bpf/syscall.c:1685
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x43fe29
RSP: 002b:00007fff644a3168 EFLAGS: 00000286 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe29
RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000005
RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000401790
R13: 0000000000401820 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..