------------[ cut here ]------------
WARNING: CPU: 0 PID: 4300 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 4300 Comm: dhcpcd-run-hook 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: ffff88802017d940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa92ad R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007948
FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000662fe000 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_d20f016a5d369cb4+0x35/0xbdc
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:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
RIP: 0010:lock_page_memcg+0x2cc/0x4d0 mm/memcontrol.c:2059
Code: 01 00 74 0a 48 8d 7c 24 60 e8 b0 3f fb ff f6 44 24 61 02 0f 85 f9 00 00 00 41 f7 c4 00 02 00 00 74 01 fb 49 8d 9e 80 10 00 00 <48> 89 df be 04 00 00 00 e8 17 41 fb ff 48 89 d8 48 c1 e8 03 48 b9
RSP: 0018:ffffc90002537340 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: ffff888140775080 RCX: 1ffff920004a6e74
RDX: dffffc0000000000 RSI: ffffffff8a8b2b00 RDI: ffffffff8ad904c0
RBP: ffffc90002537438 R08: dffffc0000000000 R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000246
R13: ffffea000029d2b8 R14: ffff888140774000 R15: ffff888140774670
page_remove_rmap+0x2a/0x11e0 mm/rmap.c:1351
zap_pte_range mm/memory.c:1373 [inline]
zap_pmd_range mm/memory.c:1494 [inline]
zap_pud_range mm/memory.c:1523 [inline]
zap_p4d_range mm/memory.c:1544 [inline]
unmap_page_range+0xffa/0x2630 mm/memory.c:1565
unmap_vmas+0x1f8/0x390 mm/memory.c:1642
exit_mmap+0x3b6/0x670 mm/mmap.c:3186
__mmput+0x112/0x3b0 kernel/fork.c:1126
exec_mmap+0x543/0x630 fs/exec.c:1037
begin_new_exec+0x82b/0x11b0 fs/exec.c:1295
load_elf_binary+0x945/0x2750 fs/binfmt_elf.c:1001
search_binary_handler fs/exec.c:1744 [inline]
exec_binprm fs/exec.c:1785 [inline]
bprm_execve+0x8fd/0x17c0 fs/exec.c:1854
do_execveat_common+0x583/0x720 fs/exec.c:1959
do_execve fs/exec.c:2029 [inline]
__do_sys_execve fs/exec.c:2105 [inline]
__se_sys_execve fs/exec.c:2100 [inline]
__x64_sys_execve+0x8e/0xa0 fs/exec.c:2100
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: 0033:0x7f5678c95ef7
Code: Unable to access opcode bytes at RIP 0x7f5678c95ecd.
RSP: 002b:00007ffc31ccc8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 0000560d86983ec0 RCX: 00007f5678c95ef7
RDX: 0000560d86983f08 RSI: 0000560d86983ec0 RDI: 0000560d86983f98
RBP: 0000560d86983f98 R08: 0000560d86983f9d R09: 00007ffc31cd1eaa
R10: 00007f5678e8e088 R11: 0000000000000246 R12: 0000560d86983f08
R13: 00007f5678e43904 R14: 0000560d86983f08 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 01 00 add %eax,(%rax)
2: 74 0a je 0xe
4: 48 8d 7c 24 60 lea 0x60(%rsp),%rdi
9: e8 b0 3f fb ff call 0xfffb3fbe
e: f6 44 24 61 02 testb $0x2,0x61(%rsp)
13: 0f 85 f9 00 00 00 jne 0x112
19: 41 f7 c4 00 02 00 00 test $0x200,%r12d
20: 74 01 je 0x23
22: fb sti
23: 49 8d 9e 80 10 00 00 lea 0x1080(%r14),%rbx
* 2a: 48 89 df mov %rbx,%rdi <-- trapping instruction
2d: be 04 00 00 00 mov $0x4,%esi
32: e8 17 41 fb ff call 0xfffb414e
37: 48 89 d8 mov %rbx,%rax
3a: 48 c1 e8 03 shr $0x3,%rax
3e: 48 rex.W
3f: b9 .byte 0xb9