| FILE: kernel/bpf/cpumap.c |
| |
| WARNING: CPU: 1 PID: 4183 at mm/util.c:403 kvmalloc_node+0xc3/0xd0 mm/util.c:403 |
| audit: type=1400 audit(1518457683.474:8): avc: denied { map_create } for pid=4183 comm="syzkaller238030" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 |
| Kernel panic - not syncing: panic_on_warn set ... |
| |
| CPU: 1 PID: 4183 Comm: syzkaller238030 Not tainted 4.16.0-rc1+ #12 |
| 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 |
| audit: type=1400 audit(1518457683.474:9): avc: denied { map_read map_write } for pid=4183 comm="syzkaller238030" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 |
| 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:988 |
| RIP: 0010:kvmalloc_node+0xc3/0xd0 mm/util.c:403 |
| RSP: 0018:ffff8801b436f6e8 EFLAGS: 00010293 |
| RAX: ffff8801b1dd25c0 RBX: 0000000001088220 RCX: ffffffff81970ca3 |
| RDX: 0000000000000000 RSI: 0000000001088220 RDI: 0000000000000070 |
| RBP: ffff8801b436f708 R08: 0000000000000000 R09: 0000000000000000 |
| R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000070 |
| R13: 0000000000000000 R14: 00000000ffffffff R15: ffff8801d304cd00 |
| kvmalloc include/linux/mm.h:541 [inline] |
| kvmalloc_array include/linux/mm.h:557 [inline] |
| __ptr_ring_init_queue_alloc include/linux/ptr_ring.h:474 [inline] |
| ptr_ring_init include/linux/ptr_ring.h:492 [inline] |
| __cpu_map_entry_alloc kernel/bpf/cpumap.c:359 [inline] |
| cpu_map_update_elem+0x3c3/0x8e0 kernel/bpf/cpumap.c:490 |
| map_update_elem kernel/bpf/syscall.c:698 [inline] |
| SYSC_bpf kernel/bpf/syscall.c:1872 [inline] |
| SyS_bpf+0x215f/0x4860 kernel/bpf/syscall.c:1843 |
| do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 |
| entry_SYSCALL_64_after_hwframe+0x26/0x9b |
| RIP: 0033:0x43fda9 |
| RSP: 002b:00007ffe6b075798 EFLAGS: 00000203 ORIG_RAX: 0000000000000141 |
| RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043fda9 |
| RDX: 0000000000000020 RSI: 0000000020ef4fe0 RDI: 0000000000000002 |
| RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 |
| R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016d0 |
| R13: 0000000000401760 R14: 0000000000000000 R15: 0000000000000000 |
