------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 ab ba d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 94 ba d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000007210 EFLAGS: 00010246
RAX: ffffffff81aacafc RBX: 0000000000000000 RCX: ffffffff8c8bd680
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaca0d R09: fffffbfff1917ad1
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007288
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002284c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
 ____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
 bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
 bpf_prog_dafeb42eb5660805+0x5e/0x9d0
 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run4+0x1ea/0x390 kernel/trace/bpf_trace.c:1917
 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:201
 __traceiter_mm_page_alloc+0x35/0x50 include/trace/events/kmem.h:201
 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline]
 __alloc_pages+0x6e0/0x700 mm/page_alloc.c:5487
 alloc_slab_page mm/slub.c:1775 [inline]
 allocate_slab mm/slub.c:1912 [inline]
 new_slab+0xbb/0x4b0 mm/slub.c:1975
 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008
 kmem_cache_alloc_bulk+0x13d/0x3c0 mm/slub.c:3690
 napi_skb_cache_get+0x115/0x1e0 net/core/skbuff.c:178
 __alloc_skb+0xee/0x590 net/core/skbuff.c:413
 __napi_alloc_skb+0x15c/0x2d0 net/core/skbuff.c:568
 napi_alloc_skb include/linux/skbuff.h:3058 [inline]
 page_to_skb+0x294/0xd20 drivers/net/virtio_net.c:454
 receive_mergeable drivers/net/virtio_net.c:1070 [inline]
 receive_buf+0x1218/0x6600 drivers/net/virtio_net.c:1180
 virtnet_receive drivers/net/virtio_net.c:1472 [inline]
 virtnet_poll+0x616/0x1260 drivers/net/virtio_net.c:1585
 __napi_poll+0xc7/0x440 net/core/dev.c:7043
 napi_poll net/core/dev.c:7110 [inline]
 net_rx_action+0x617/0xda0 net/core/dev.c:7200
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 common_interrupt+0xb3/0xd0 arch/x86/kernel/irq.c:240
 </IRQ>
 <TASK>
 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
RIP: 0010:finish_lock_switch+0x91/0x100 kernel/sched/core.c:4782
Code: 45 31 c9 68 c7 ba 59 81 e8 3c 12 09 00 48 83 c4 08 4c 89 ff e8 90 db fe ff 66 90 4c 89 ff e8 b6 31 ef 08 e8 f1 48 2d 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 87
RSP: 0018:ffffffff8c807b38 EFLAGS: 00000286
RAX: 61b1308e6235fc00 RBX: ffff888024f08034 RCX: ffffffff96a92f03
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9f2c0
RBP: ffffffff8c807bb0 R08: ffffffff81870420 R09: ffffed10171c7461
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff110171c760b R14: ffff8880b8e3b058 R15: ffff8880b8e3a300
 finish_task_switch+0x134/0x630 kernel/sched/core.c:4899
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12cc/0x45b0 kernel/sched/core.c:6373
 schedule_idle+0x4a/0x90 kernel/sched/core.c:6484
 do_idle+0x61e/0x670 kernel/sched/idle.c:334
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
 start_kernel+0x48c/0x540 init/main.c:1140
 secondary_startup_64_no_verify+0xb1/0xbb
 </TASK>
----------------
Code disassembly (best guess):
   0:	45 31 c9             	xor    %r9d,%r9d
   3:	68 c7 ba 59 81       	push   $0xffffffff8159bac7
   8:	e8 3c 12 09 00       	call   0x91249
   d:	48 83 c4 08          	add    $0x8,%rsp
  11:	4c 89 ff             	mov    %r15,%rdi
  14:	e8 90 db fe ff       	call   0xfffedba9
  19:	66 90                	xchg   %ax,%ax
  1b:	4c 89 ff             	mov    %r15,%rdi
  1e:	e8 b6 31 ef 08       	call   0x8ef31d9
  23:	e8 f1 48 2d 00       	call   0x2d4919
  28:	fb                   	sti
  29:	5b                   	pop    %rbx
* 2a:	41 5c                	pop    %r12 <-- trapping instruction
  2c:	41 5d                	pop    %r13
  2e:	41 5e                	pop    %r14
  30:	41 5f                	pop    %r15
  32:	c3                   	ret
  33:	44 89 f1             	mov    %r14d,%ecx
  36:	80 e1 07             	and    $0x7,%cl
  39:	80 c1 03             	add    $0x3,%cl
  3c:	38 c1                	cmp    %al,%cl
  3e:	7c 87                	jl     0xffffffc7