------------[ cut here ]------------
WARNING: CPU: 1 PID: 4225 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 4225 Comm: kworker/u4:5 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: bat_events batadv_nc_worker
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 cb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 c6 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:ffffc90000dd0248 EFLAGS: 00010046
RAX: ffffffff81aaacec RBX: 0000000000000000 RCX: ffff88802a69bb80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaabfd R09: fffffbfff20ec821
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020000000
R13: 0000000000000008 R14: 0000000020000000 R15: ffffc90000dd02a8
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000063628000 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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_a7c3bb8cfcee081b+0x45/0x3e0
 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_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1916
 trace_workqueue_queue_work include/trace/events/workqueue.h:23 [inline]
 __queue_work+0xc99/0xd00 kernel/workqueue.c:1512
 queue_work_on+0x14b/0x250 kernel/workqueue.c:1559
 __ieee80211_queue_skb_to_iface net/mac80211/rx.c:222 [inline]
 ieee80211_queue_skb_to_iface net/mac80211/rx.c:232 [inline]
 ieee80211_rx_h_mgmt+0x42e/0x5d0 net/mac80211/rx.c:3795
 ieee80211_rx_handlers+0x7515/0x91c0 net/mac80211/rx.c:3959
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3989 [inline]
 ieee80211_prepare_and_rx_handle+0x2b76/0x51e0 net/mac80211/rx.c:4699
 __ieee80211_rx_handle_packet net/mac80211/rx.c:4859 [inline]
 ieee80211_rx_list+0x1dac/0x2a60 net/mac80211/rx.c:4982
 ieee80211_rx_napi+0x15f/0x380 net/mac80211/rx.c:5005
 ieee80211_rx include/net/mac80211.h:4571 [inline]
 ieee80211_handle_queued_frames+0x103/0x1b0 net/mac80211/main.c:235
 tasklet_action_common+0x3cb/0x4a0
 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
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x7c/0x80 kernel/kcov.c:295
Code: 8d 42 28 4c 39 d0 77 22 89 f8 89 f6 48 c7 44 0a 08 05 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 <c3> 0f 1f 00 4c 8b 04 24 65 48 8b 0d 34 f8 81 7e 65 8b 05 35 f8 81
RSP: 0018:ffffc90003377bf0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88802a69bb80
RDX: ffff88802a69bb80 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8a115f05 R09: fffffbfff20ec821
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000040
R13: dffffc0000000000 R14: ffff88807673cc80 R15: ffff8880248fdc00
 rcu_read_unlock include/linux/rcupdate.h:768 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:416 [inline]
 batadv_nc_worker+0x1c5/0x5b0 net/batman-adv/network-coding.c:723
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
----------------
Code disassembly (best guess):
   0:	8d 42 28             	lea    0x28(%rdx),%eax
   3:	4c 39 d0             	cmp    %r10,%rax
   6:	77 22                	ja     0x2a
   8:	89 f8                	mov    %edi,%eax
   a:	89 f6                	mov    %esi,%esi
   c:	48 c7 44 0a 08 05 00 	movq   $0x5,0x8(%rdx,%rcx,1)
  13:	00 00
  15:	48 89 44 0a 10       	mov    %rax,0x10(%rdx,%rcx,1)
  1a:	48 89 74 0a 18       	mov    %rsi,0x18(%rdx,%rcx,1)
  1f:	4c 89 44 0a 20       	mov    %r8,0x20(%rdx,%rcx,1)
  24:	49 ff c1             	inc    %r9
  27:	4c 89 09             	mov    %r9,(%rcx)
* 2a:	c3                   	ret <-- trapping instruction
  2b:	0f 1f 00             	nopl   (%rax)
  2e:	4c 8b 04 24          	mov    (%rsp),%r8
  32:	65 48 8b 0d 34 f8 81 	mov    %gs:0x7e81f834(%rip),%rcx        # 0x7e81f86e
  39:	7e
  3a:	65                   	gs
  3b:	8b                   	.byte 0x8b
  3c:	05                   	.byte 0x5
  3d:	35                   	.byte 0x35
  3e:	f8                   	clc
  3f:	81                   	.byte 0x81