------------[ cut here ]------------ WARNING: CPU: 0 PID: 7048 at kernel/trace/ring_buffer.c:3525 check_buffer+0x88a/0x930 kernel/trace/ring_buffer.c:3525 Modules linked in: CPU: 0 PID: 7048 Comm: syz.2.935 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:check_buffer+0x88a/0x930 kernel/trace/ring_buffer.c:3525 Code: 4c 89 ee e8 48 73 a3 08 48 c7 c7 20 54 a8 97 be 04 00 00 00 e8 77 48 4e 00 f0 ff 0d 80 f8 22 16 e9 91 fe ff ff e8 d6 ea fc ff <0f> 0b e9 e2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 20 f8 ff RSP: 0018:ffffc900058375c0 EFLAGS: 00010287 RAX: ffffffff81855baa RBX: 0000000000000003 RCX: 0000000000080000 RDX: ffffc9000e22b000 RSI: 000000000000007a RDI: 000000000000007b RBP: ffffc90005837778 R08: ffff888018478807 R09: 1ffff1100308f100 R10: dffffc0000000000 R11: ffffed100308f101 R12: 0000001655211985 R13: 0000000000000074 R14: ffff888018478800 R15: dffffc0000000000 FS: 00007f19b7cf66c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fd20ff8 CR3: 000000005e028000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __rb_reserve_next+0x4d9/0xd00 kernel/trace/ring_buffer.c:3621 rb_reserve_next_event kernel/trace/ring_buffer.c:3756 [inline] ring_buffer_lock_reserve+0xafa/0xf10 kernel/trace/ring_buffer.c:3815 __trace_buffer_lock_reserve kernel/trace/trace.c:956 [inline] trace_event_buffer_lock_reserve+0x1ce/0x6f0 kernel/trace/trace.c:2843 trace_event_buffer_reserve+0x2a8/0x3d0 kernel/trace/trace_events.c:647 do_trace_event_raw_event_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline] trace_event_raw_event_bpf_trace_printk+0x112/0x230 kernel/trace/bpf_trace.h:11 trace_bpf_trace_printk+0x199/0x220 kernel/trace/bpf_trace.h:11 ____bpf_trace_printk kernel/trace/bpf_trace.c:391 [inline] bpf_trace_printk+0x13e/0x1c0 kernel/trace/bpf_trace.c:374 bpf_prog_4d96a539c68d3a3b+0x37/0x5f bpf_dispatcher_nop_func include/linux/bpf.h:1013 [inline] __bpf_prog_run include/linux/filter.h:608 [inline] bpf_prog_run include/linux/filter.h:615 [inline] __bpf_prog_test_run_raw_tp+0x1ed/0x430 net/bpf/test_run.c:847 bpf_prog_test_run_raw_tp+0x45a/0x680 net/bpf/test_run.c:889 bpf_prog_test_run+0x31c/0x390 kernel/bpf/syscall.c:3695 __sys_bpf+0x62b/0x780 kernel/bpf/syscall.c:5053 __do_sys_bpf kernel/bpf/syscall.c:5139 [inline] __se_sys_bpf kernel/bpf/syscall.c:5137 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5137 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f19b6d9e559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f19b7cf6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f19b7025fa0 RCX: 00007f19b6d9e559 RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a RBP: 00007f19b6e358b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f19b7026038 R14: 00007f19b7025fa0 R15: 00007ffdbf2cd278 </TASK>