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Illegal XDP return value 4294967274, expect packet loss!
WARNING: CPU: 0 PID: 13610 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
WARNING: CPU: 0 PID: 13610 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Modules linked in:
CPU: 0 PID: 13610 Comm: syz-executor.2 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Code: 80 77 ae 8a 41 83 fc 04 48 c7 c6 c0 77 ae 8a 48 0f 46 ee e8 a3 83 42 fa 44 89 e2 48 c7 c7 00 78 ae 8a 48 89 ee e8 dd 71 cb 01 <0f> 0b 5b 5d 41 5c e9 86 83 42 fa 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc90000007a58 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88807b601d00 RSI: ffffffff815f0948 RDI: fffff52000000f3d
RBP: ffffffff8aae7780 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815ea6ee R11: 0000000000000000 R12: 00000000ffffffea
R13: 00000000ffffffea R14: 00000000ffffffea R15: 00000000ffffff90
FS: 00007f24906df700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2491e7e090 CR3: 0000000031584000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
netif_receive_generic_xdp net/core/dev.c:4830 [inline]
do_xdp_generic.part.0+0x80b/0xa00 net/core/dev.c:4878
do_xdp_generic net/core/dev.c:4873 [inline]
__netif_receive_skb_core+0x11b7/0x3770 net/core/dev.c:5286
__netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:5463
__netif_receive_skb+0x24/0x1b0 net/core/dev.c:5579
process_backlog+0x2a5/0x6c0 net/core/dev.c:6455
__napi_poll+0xaf/0x440 net/core/dev.c:7023
napi_poll net/core/dev.c:7090 [inline]
net_rx_action+0x801/0xb40 net/core/dev.c:7177
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_release+0x3f1/0x720 kernel/locking/lockdep.c:5645
Code: 7e 83 f8 01 0f 85 8d 01 00 00 9c 58 f6 c4 02 0f 85 78 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000311f2a8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: e9dea97a144a6d3b RCX: ffffc9000311f2f8
RDX: 1ffff1100f6c04ea RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff92000623e57 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000002 R14: ffff88807b602758 R15: ffff88807b601d00
rcu_lock_release include/linux/rcupdate.h:273 [inline]
rcu_read_unlock include/linux/rcupdate.h:721 [inline]
is_bpf_text_address+0x99/0x170 kernel/bpf/core.c:717
kernel_text_address kernel/extable.c:124 [inline]
kernel_text_address+0x39/0x80 kernel/extable.c:93
__kernel_text_address+0x9/0x30 kernel/extable.c:78
unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline]
unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313
arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
__kasan_slab_alloc+0x90/0xc0 mm/kasan/common.c:467
kasan_slab_alloc include/linux/kasan.h:259 [inline]
slab_post_alloc_hook mm/slab.h:519 [inline]
slab_alloc_node mm/slub.c:3234 [inline]
slab_alloc mm/slub.c:3242 [inline]
kmem_cache_alloc+0x202/0x3a0 mm/slub.c:3247
skb_clone+0x170/0x3c0 net/core/skbuff.c:1521
____bpf_clone_redirect net/core/filter.c:2414 [inline]
bpf_clone_redirect+0xaf/0x420 net/core/filter.c:2401
bpf_prog_a467eebe3b6cb835+0x59/0x33c
bpf_dispatcher_nop_func include/linux/bpf.h:727 [inline]
__bpf_prog_run include/linux/filter.h:626 [inline]
bpf_prog_run include/linux/filter.h:633 [inline]
bpf_test_run+0x381/0x980 net/bpf/test_run.c:120
bpf_prog_test_run_skb+0xb32/0x1dd0 net/bpf/test_run.c:666
bpf_prog_test_run kernel/bpf/syscall.c:3349 [inline]
__sys_bpf+0x1823/0x5950 kernel/bpf/syscall.c:4651
__do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4735
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2491d69e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f24906df168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f2491e7cf60 RCX: 00007f2491d69e99
RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 00007f2491dc3ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd97ffcb6f R14: 00007f24906df300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 7e 83 jle 0xffffff85
2: f8 clc
3: 01 0f add %ecx,(%rdi)
5: 85 8d 01 00 00 9c test %ecx,-0x63ffffff(%rbp)
b: 58 pop %rax
c: f6 c4 02 test $0x2,%ah
f: 0f 85 78 01 00 00 jne 0x18d
15: 48 f7 04 24 00 02 00 testq $0x200,(%rsp)
1c: 00
1d: 74 01 je 0x20
1f: fb sti
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 48 01 c5 add %rax,%rbp <-- trapping instruction
2d: 48 c7 45 00 00 00 00 movq $0x0,0x0(%rbp)
34: 00
35: c7 45 08 00 00 00 00 movl $0x0,0x8(%rbp)
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 84 .byte 0x84
3f: 24 .byte 0x24