------------[ cut here ]------------
WARNING: CPU: 0 PID: 5010 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 5010 Comm: syz.4.182 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 eb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d4 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:ffffc900000078e8 EFLAGS: 00010246
RAX: ffffffff81aa939c RBX: 0000000000000000 RCX: ffff8880262c8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa92ad R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffa3000000
R13: 0000000000000008 R14: ffffffffa3000000 R15: ffffc90000007948
FS: 0000555574a6b500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020004281 CR3: 0000000025632000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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_b01026b2908340f4+0x3d/0x4c
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:1880 [inline]
bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917
__bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x22f/0x270 mm/slub.c:4549
skb_free_head net/core/skbuff.c:655 [inline]
skb_release_data+0x73a/0x8a0 net/core/skbuff.c:677
skb_release_all net/core/skbuff.c:742 [inline]
__kfree_skb net/core/skbuff.c:756 [inline]
consume_skb+0xa3/0x140 net/core/skbuff.c:914
mac80211_hwsim_beacon_tx+0x48f/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1842
__iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
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
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6777
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 99 bd 1a f7 e8 f4 2c 4a f7 fb bf 01 00 00 00 a9 b3 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 c9 76 8d f7 48
RSP: 0018:ffffc90003e57da0 EFLAGS: 00000286
RAX: 68b3335f9a1c5300 RBX: 1ffff920007cafbc RCX: ffffffff96868f03
RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: 0000000000000001
RBP: ffffc90003e57e60 R08: ffffffff8186db50 R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920007cafb4
R13: 1ffff920007cafb8 R14: ffffc90003e57dc0 R15: dffffc0000000000
irqentry_exit+0x53/0x80 kernel/entry/common.c:432
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:643
RIP: 0010:x64_sys_call+0x453/0x6e0 arch/x86/include/generated/asm/syscalls_64.h:231
Code: aa 00 e9 b0 ba 70 00 e9 5b d1 70 00 e9 66 c4 70 00 e9 c1 c9 70 00 e9 6c db 70 00 e9 07 e7 70 00 e9 e2 eb 70 00 e9 4d f6 70 00 c8 0d 71 00 e9 63 ab 4c 00 e9 de 7e e9 00 e9 99 7b e9 00 e9 c4
RSP: 0018:ffffc90003e57f28 EFLAGS: 00000283
RAX: 00000000000000e6 RBX: ffffc90003e57f30 RCX: 00000000000000e6
RDX: dffffc0000000000 RSI: 00000000000000e6 RDI: ffffc90003e57f58
RBP: ffffc90003e57f48 R08: ffffffff8186db50 R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90003e57f58 R15: 0000000000000000
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9ee6ead0e5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 c6 57 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 1f 58 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007fff8ee87ba0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007f9ee7032f80 RCX: 00007f9ee6ead0e5
RDX: 00007fff8ee87be0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f9ee7034a80 R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000021ba6
R13: 00007fff8ee87d10 R14: 0000000000000032 R15: ffffffffffffffff
----------------
Code disassembly (best guess):
0: 89 f5 mov %esi,%ebp
2: 49 c1 ed 03 shr $0x3,%r13
6: eb 0d jmp 0x15
8: 48 f7 03 08 00 00 00 testq $0x8,(%rbx)
f: 0f 84 97 00 00 00 je 0xac
15: bf 01 00 00 00 mov $0x1,%edi
1a: e8 99 bd 1a f7 call 0xf71abdb8
1f: e8 f4 2c 4a f7 call 0xf74a2d18
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 a9 b3 ff ff call 0xffffb3d8 <-- trapping instruction
2f: 43 80 7c 3d 00 00 cmpb $0x0,0x0(%r13,%r15,1)
35: 74 08 je 0x3f
37: 4c 89 f7 mov %r14,%rdi
3a: e8 c9 76 8d f7 call 0xf78d7708
3f: 48 rex.W