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WARNING: CPU: 1 PID: 144 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: netns cleanup_net
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d 94 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 10 91 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000dd0c10 EFLAGS: 00010006
RAX: ffffffff81a07f40 RBX: 0000000000000000 RCX: ffff88801bdb3b80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801bdb3b87 R09: 1ffff110037b6770
R10: dffffc0000000000 R11: ffffed10037b6771 R12: ffff88801bdb5308
R13: 00007ffffffff000 R14: ffffc90000dd0c88 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2c9a248ad8 CR3: 000000000c08e000 CR4: 00000000003506e0
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+0xdd/0x170 kernel/trace/bpf_trace.c:277
 bpf_prog_f3c4d654356a1293+0x34/0x1b8
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [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_run2+0x163/0x2e0 kernel/trace/bpf_trace.c:1915
 __traceiter_tlb_flush+0x69/0xb0 include/trace/events/tlb.h:38
 trace_tlb_flush+0xe6/0x110 include/trace/events/tlb.h:38
 switch_mm_irqs_off+0x6f3/0x9b0 arch/x86/mm/tlb.c:-1
 flush_tlb_func+0x1d9/0x5b0 arch/x86/mm/tlb.c:773
 flush_smp_call_function_queue+0x2a9/0x760 kernel/smp.c:628
 __sysvec_call_function_single+0x98/0x240 arch/x86/kernel/smp.c:248
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:243 [inline]
 sysvec_call_function_single+0x98/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:console_unlock+0xcad/0x1120 kernel/printk/printk.c:2749
Code: 75 11 e8 76 d6 18 00 4d 85 ff 75 16 e8 6c d6 18 00 eb 15 e8 65 d6 18 00 e8 70 ef 59 08 4d 85 ff 74 ea e8 56 d6 18 00 fb 31 ff <89> de e8 ac d9 18 00 85 db 0f 94 c0 22 44 24 17 3c 01 75 1f e8 3a
RSP: 0018:ffffc9000171f560 EFLAGS: 00000246
RAX: ffffffff816039fa RBX: 0000000000000000 RCX: ffff88801bdb3b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000171f7d0 R08: ffffffff901b70c7 R09: 1ffffffff2036e18
R10: dffffc0000000000 R11: fffffbfff2036e19 R12: 1ffffffff198c7b9
R13: 0000000000000040 R14: 0000000000000000 R15: 0000000000000200
 vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
 _printk+0xda/0x130 kernel/printk/printk.c:2299
 __dev_set_promiscuity+0x1d3/0x5b0 net/core/dev.c:8644
 dev_set_promiscuity+0x4c/0xe0 net/core/dev.c:8683
 hsr_del_port+0x23e/0x2b0 net/hsr/hsr_slave.c:230
 hsr_del_ports+0x2d/0x90 net/hsr/hsr_device.c:419
 hsr_dellink+0x3f/0x70 net/hsr/hsr_netlink.c:113
 default_device_exit_batch+0x2d3/0x3c0 net/core/dev.c:11662
 ops_exit_list net/core/net_namespace.c:177 [inline]
 cleanup_net+0x791/0xba0 net/core/net_namespace.c:635
 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
----------------
Code disassembly (best guess):
   0:	75 11                	jne    0x13
   2:	e8 76 d6 18 00       	call   0x18d67d
   7:	4d 85 ff             	test   %r15,%r15
   a:	75 16                	jne    0x22
   c:	e8 6c d6 18 00       	call   0x18d67d
  11:	eb 15                	jmp    0x28
  13:	e8 65 d6 18 00       	call   0x18d67d
  18:	e8 70 ef 59 08       	call   0x859ef8d
  1d:	4d 85 ff             	test   %r15,%r15
  20:	74 ea                	je     0xc
  22:	e8 56 d6 18 00       	call   0x18d67d
  27:	fb                   	sti
  28:	31 ff                	xor    %edi,%edi
* 2a:	89 de                	mov    %ebx,%esi <-- trapping instruction
  2c:	e8 ac d9 18 00       	call   0x18d9dd
  31:	85 db                	test   %ebx,%ebx
  33:	0f 94 c0             	sete   %al
  36:	22 44 24 17          	and    0x17(%rsp),%al
  3a:	3c 01                	cmp    $0x1,%al
  3c:	75 1f                	jne    0x5d
  3e:	e8                   	.byte 0xe8
  3f:	3a                   	.byte 0x3a