------------[ cut here ]------------
WARNING: CPU: 0 PID: 4435 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4435 Comm: syz.1.43 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d f6 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 f3 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:ffffc90000007960 EFLAGS: 00010246
RAX: ffffffff819ed900 RBX: 0000000000000008 RCX: ffff88802b733b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff7c19
R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffff88802b735308
R13: 1ffff92000000f3c R14: ffffc900000079c8 R15: 0000000000000000
FS: 00007f90d94da6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2a7f12 CR3: 000000005f83f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
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_02073d59a3c0f06f+0x3d/0xf4c
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_run3+0x17e/0x320 kernel/trace/bpf_trace.c:1916
__bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
kmem_cache_free+0x1e7/0x210 mm/slub.c:3521
mac80211_hwsim_beacon_tx+0x4f3/0x920 drivers/net/wireless/mac80211_hwsim.c:1842
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:-1 [inline]
RIP: 0010:rcu_is_watching+0x40/0xa0 kernel/rcu/tree.c:1123
Code: 73 5c 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 20 c8 bc 8b 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 c0 82 58 00 <48> c7 c3 08 b3 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38
RSP: 0018:ffffc9000331f9a0 EFLAGS: 00000246
RAX: 1ffffffff1779904 RBX: 0000000000000000 RCX: 3d1d94cc314bb000
RDX: 0000000000000000 RSI: ffffffff8a59e560 RDI: ffffffff8a59e520
RBP: ffffc9000331fae0 R08: dffffc0000000000 R09: fffffbfff1ad33a6
R10: fffffbfff1ad33a6 R11: 1ffffffff1ad33a5 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8bbcc820 R15: dffffc0000000000
trace_lock_release include/trace/events/lock.h:58 [inline]
lock_release+0xba/0x870 kernel/locking/lockdep.c:5634
__fs_reclaim_release mm/page_alloc.c:4585 [inline]
fs_reclaim_release mm/page_alloc.c:4611 [inline]
prepare_alloc_pages+0x1ba/0x5f0 mm/page_alloc.c:5259
__alloc_pages+0x10e/0x470 mm/page_alloc.c:5476
vm_area_alloc_pages mm/vmalloc.c:2876 [inline]
__vmalloc_area_node mm/vmalloc.c:2932 [inline]
__vmalloc_node_range+0x4b2/0x8b0 mm/vmalloc.c:3037
__bpf_map_area_alloc kernel/bpf/syscall.c:328 [inline]
bpf_map_area_alloc+0xd4/0xe0 kernel/bpf/syscall.c:335
queue_stack_map_alloc+0xbc/0x1e0 kernel/bpf/queue_stack_maps.c:76
find_and_alloc_map kernel/bpf/syscall.c:129 [inline]
map_create+0x485/0x2350 kernel/bpf/syscall.c:881
__sys_bpf+0x2a4/0x670 kernel/bpf/syscall.c:4639
__do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f90db273749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f90d94da038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f90db4c9fa0 RCX: 00007f90db273749
RDX: 0000000000000048 RSI: 0000200000000640 RDI: 0000000000000000
RBP: 00007f90db2f7f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f90db4ca038 R14: 00007f90db4c9fa0 R15: 00007ffffa5aadd8
----------------
Code disassembly (best guess):
0: 73 5c jae 0x5e
2: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15
9: fc ff df
c: 4c 8d 34 dd 20 c8 bc lea -0x744337e0(,%rbx,8),%r14
13: 8b
14: 4c 89 f0 mov %r14,%rax
17: 48 c1 e8 03 shr $0x3,%rax
1b: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
20: 74 08 je 0x2a
22: 4c 89 f7 mov %r14,%rdi
25: e8 c0 82 58 00 call 0x5882ea
* 2a: 48 c7 c3 08 b3 03 00 mov $0x3b308,%rbx <-- trapping instruction
31: 49 03 1e add (%r14),%rbx
34: 48 89 d8 mov %rbx,%rax
37: 48 c1 e8 03 shr $0x3,%rax
3b: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax