------------[ cut here ]------------
WARNING: CPU: 0 PID: 7 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: rcu_gp process_srcu
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:ffffc90000007c68 EFLAGS: 00010006
RAX: ffffffff81aa939c RBX: 0000000000000000 RCX: ffff88801729bb80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa92ad R09: ffffffff8f677008
R10: ffffffff8f677018 R11: ffffffff8f677010 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007cc8
FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d96b4af98 CR3: 000000000c68e000 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_56907bf5a05a58a2+0x3a/0xef8
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:621 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run2+0x29e/0x340 kernel/trace/bpf_trace.c:1917
trace_tlb_flush+0xed/0x110 include/trace/events/tlb.h:38
switch_mm_irqs_off+0x748/0xa30
flush_tlb_func+0x208/0x590 arch/x86/mm/tlb.c:769
flush_smp_call_function_queue+0x2b5/0x760 kernel/smp.c:628
__sysvec_call_function_single+0x9a/0x250 arch/x86/kernel/smp.c:248
sysvec_call_function_single+0x89/0xb0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:delay_tsc+0x58/0xd0 arch/x86/lib/delay.c:79
Code: 90 48 89 d5 48 c1 e5 20 48 09 c5 48 29 dd 4c 39 f5 73 67 bf 01 00 00 00 e8 55 26 26 fd 65 8b 05 d6 28 d1 7b 85 c0 74 2f f3 90 01 00 00 00 e8 be 24 26 fd e8 19 1a 03 06 41 39 c7 75 20 0f 01
RSP: 0018:ffffc90000cc7ae0 EFLAGS: 00000286
RAX: 0000000080000000 RBX: 0000003b4fe6934b RCX: 0000000000000001
RDX: 000000000000003b RSI: ffffffff8ad904a0 RDI: 0000000000000001
RBP: 0000000000001868 R08: ffffffff842be874 R09: fffff52000198f2d
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000034e0
R13: 1ffffffff1bd2c57 R14: 0000000000002af9 R15: 0000000000000000
try_check_zero+0x2f2/0x360 kernel/rcu/srcutree.c:702
srcu_advance_state kernel/rcu/srcutree.c:1227 [inline]
process_srcu+0x1aa/0xc20 kernel/rcu/srcutree.c:1325
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
----------------
Code disassembly (best guess):
0: 90 nop
1: 48 89 d5 mov %rdx,%rbp
4: 48 c1 e5 20 shl $0x20,%rbp
8: 48 09 c5 or %rax,%rbp
b: 48 29 dd sub %rbx,%rbp
e: 4c 39 f5 cmp %r14,%rbp
11: 73 67 jae 0x7a
13: bf 01 00 00 00 mov $0x1,%edi
18: e8 55 26 26 fd call 0xfd262672
1d: 65 8b 05 d6 28 d1 7b mov %gs:0x7bd128d6(%rip),%eax # 0x7bd128fa
24: 85 c0 test %eax,%eax
26: 74 2f je 0x57
28: f3 90 pause
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 be 24 26 fd call 0xfd2624f2
34: e8 19 1a 03 06 call 0x6031a52
39: 41 39 c7 cmp %eax,%r15d
3c: 75 20 jne 0x5e
3e: 0f .byte 0xf
3f: 01 .byte 0x1