------------[ cut here ]------------
WARNING: CPU: 1 PID: 4160 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 4160 Comm: udevd Not tainted 5.15.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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 ab ba d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 94 ba 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:ffffc90000dd09d0 EFLAGS: 00010246
RAX: ffffffff81aacafc RBX: 0000000000000000 RCX: ffff8880267f9dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaca0d R09: ffffed1004cff3b9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020000000
R13: 0000000000000008 R14: 0000000020000000 R15: ffffc90000dd0a48
FS: 00007f6ba9f3cc80(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 000000001c564000 CR4: 00000000003506e0
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_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_63d51858d7cca270+0x3d/0xd90
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_run1+0x168/0x2f0 kernel/trace/bpf_trace.c:1914
trace_consume_skb+0x16f/0x1d0 include/trace/events/skb.h:71
consume_skb+0x6a/0x140 net/core/skbuff.c:913
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
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:__should_failslab+0x0/0xd0 mm/failslab.c:18
Code: 62 03 00 00 00 00 00 49 c7 86 00 62 03 00 00 00 00 00 49 c7 86 10 62 03 00 00 00 00 00 31 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc <55> 41 56 53 89 f5 48 89 fb 48 c7 c0 68 60 ae 96 48 c1 e8 03 49 be
RSP: 0018:ffffc90002e5f638 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888076a0f7b0 RCX: ffff8880267f9dc0
RDX: ffff8880267f9dc0 RSI: 0000000000000dc0 RDI: ffff888017442140
RBP: 0000000000000dc0 R08: dffffc0000000000 R09: fffffbfff1c150de
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888017442140
R13: ffff888017442140 R14: ffffc90002e5f688 R15: 0000000000000001
should_failslab+0x5/0x20 mm/slab_common.c:1344
slab_pre_alloc_hook+0x53/0xc0 mm/slab.h:494
slab_alloc_node mm/slub.c:3134 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc_trace+0x49/0x290 mm/slub.c:3245
kmalloc include/linux/slab.h:591 [inline]
kzalloc include/linux/slab.h:721 [inline]
kernfs_iop_get_link+0x63/0x540 fs/kernfs/symlink.c:135
pick_link+0x63b/0xce0
step_into+0xbae/0xe90 fs/namei.c:1832
open_last_lookups fs/namei.c:3555 [inline]
path_openat+0x17ac/0x2f20 fs/namei.c:3739
do_filp_open+0x21c/0x460 fs/namei.c:3769
do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1280
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: 0033:0x7f6baa0679a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe17e412e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055a2fade10a0 RCX: 00007f6baa0679a4
RDX: 0000000000080000 RSI: 000055a2fadbff30 RDI: 00000000ffffff9c
RBP: 000055a2fadbff30 R08: 000055a2fadbff30 R09: 0000000000000008
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000
R13: 0000000000000701 R14: 0000000000000000 R15: 0000000000000001
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 03 00 add (%rax),%eax
2: 00 00 add %al,(%rax)
4: 00 00 add %al,(%rax)
6: 49 c7 86 00 62 03 00 movq $0x0,0x36200(%r14)
d: 00 00 00 00
11: 49 c7 86 10 62 03 00 movq $0x0,0x36210(%r14)
18: 00 00 00 00
1c: 31 c0 xor %eax,%eax
1e: 5b pop %rbx
1f: 41 5c pop %r12
21: 41 5e pop %r14
23: 41 5f pop %r15
25: c3 ret
26: cc int3
27: cc int3
28: cc int3
* 29: 55 push %rbp <-- trapping instruction
2a: 41 56 push %r14
2c: 53 push %rbx
2d: 89 f5 mov %esi,%ebp
2f: 48 89 fb mov %rdi,%rbx
32: 48 c7 c0 68 60 ae 96 mov $0xffffffff96ae6068,%rax
39: 48 c1 e8 03 shr $0x3,%rax
3d: 49 rex.WB
3e: be .byte 0xbe