------------[ cut here ]------------
WARNING: CPU: 1 PID: 4438 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 4438 Comm: syz.0.59 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
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 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:ffffc90000dd08b0 EFLAGS: 00010246
RAX: ffffffff81aaacec RBX: 0000000000000000 RCX: ffff8880241fd940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaabfd R09: ffffed100483fb29
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000dd0928
FS: 00007f118b9a16c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c4463fc CR3: 000000005a371000 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_3d2613b5dfc7747f+0x32/0x5a0
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_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1915
__bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118
__traceiter_kfree+0x26/0x40 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
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:__sanitizer_cov_trace_switch+0xf/0xe0 kernel/kcov.c:312
Code: 7c 11 10 48 89 74 11 18 4c 89 44 11 20 49 ff c2 4c 89 12 c3 0f 1f 80 00 00 00 00 41 57 41 56 41 54 53 48 8b 46 08 48 83 c0 f8 <48> c1 c0 3d 48 83 f8 07 0f 87 ac 00 00 00 b9 8b 00 00 00 0f a3 c1
RSP: 0018:ffffc90003197698 EFLAGS: 00000257
RAX: 0000000000000000 RBX: ffffffff8a8e866b RCX: 000000000000008b
RDX: dffffc0000000000 RSI: ffffffff8cf39560 RDI: 0000000000000025
RBP: ffffc900031977b0 R08: 0000000000000001 R09: ffffffff842e7a74
R10: 0000000000000002 R11: ffff8880241fd940 R12: ffffffff8a8e866b
R13: 1ffff92000632ee8 R14: ffffffff8a8e866b R15: 0000000000000025
format_decode+0x22c/0x1f10 lib/vsprintf.c:2545
vsnprintf+0x14d/0x1c70 lib/vsprintf.c:2763
audit_log_vformat+0x358/0x9d0 kernel/audit.c:1982
audit_log_format+0xd7/0x120 kernel/audit.c:2016
audit_log_start+0x7a4/0xa00 kernel/audit.c:1927
audit_seccomp+0x5e/0x1f0 kernel/auditsc.c:2726
seccomp_log kernel/seccomp.c:988 [inline]
__seccomp_filter+0xb05/0x1d40 kernel/seccomp.c:1254
syscall_trace_enter kernel/entry/common.c:68 [inline]
__syscall_enter_from_user_work kernel/entry/common.c:96 [inline]
syscall_enter_from_user_mode+0xf0/0x240 kernel/entry/common.c:114
do_syscall_64+0x1e/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f118db29819
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:00007f118b9a1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f118dce0fa0 RCX: 00007f118db29819
RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f118db9c75e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f118dce0fa0 R15: 00007ffcbba9e258
----------------
Code disassembly (best guess):
0: 7c 11 jl 0x13
2: 10 48 89 adc %cl,-0x77(%rax)
5: 74 11 je 0x18
7: 18 4c 89 44 sbb %cl,0x44(%rcx,%rcx,4)
b: 11 20 adc %esp,(%rax)
d: 49 ff c2 inc %r10
10: 4c 89 12 mov %r10,(%rdx)
13: c3 ret
14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
1b: 41 57 push %r15
1d: 41 56 push %r14
1f: 41 54 push %r12
21: 53 push %rbx
22: 48 8b 46 08 mov 0x8(%rsi),%rax
26: 48 83 c0 f8 add $0xfffffffffffffff8,%rax
* 2a: 48 c1 c0 3d rol $0x3d,%rax <-- trapping instruction
2e: 48 83 f8 07 cmp $0x7,%rax
32: 0f 87 ac 00 00 00 ja 0xe4
38: b9 8b 00 00 00 mov $0x8b,%ecx
3d: 0f a3 c1 bt %eax,%ecx