------------[ cut here ]------------ WARNING: CPU: 1 PID: 8109 at kernel/trace/ring_buffer.c:3485 check_buffer+0x7d7/0x880 kernel/trace/ring_buffer.c:3485 Modules linked in: CPU: 1 PID: 8109 Comm: syz.3.1376 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:check_buffer+0x7d7/0x880 kernel/trace/ring_buffer.c:3485 Code: 74 24 18 e8 5b 12 42 08 48 c7 c7 60 6e 19 97 be 04 00 00 00 e8 6a 4f 42 00 f0 ff 0d c3 53 9d 15 e9 a9 fe ff ff e8 b9 08 fd ff <0f> 0b e9 fa fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c d0 f8 ff RSP: 0018:ffffc9000309f700 EFLAGS: 00010287 RAX: ffffffff817c1aa7 RBX: 0000001a780945a9 RCX: 0000000000080000 RDX: ffffc9000c821000 RSI: 0000000000000087 RDI: 0000000000000088 RBP: 0000000000000002 R08: ffff8880179cf807 R09: 1ffff11002f39f00 R10: dffffc0000000000 R11: ffffed1002f39f01 R12: ffff8880179cf800 R13: dffffc0000000000 R14: ffffc9000309f8c0 R15: dffffc0000000000 FS: 00007f704cbb56c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3311dff8 CR3: 0000000024f39000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __rb_reserve_next+0x4d9/0xd00 kernel/trace/ring_buffer.c:3581 rb_reserve_next_event kernel/trace/ring_buffer.c:3716 [inline] ring_buffer_lock_reserve+0xadd/0xed0 kernel/trace/ring_buffer.c:3775 __trace_buffer_lock_reserve kernel/trace/trace.c:942 [inline] trace_event_buffer_lock_reserve+0xd4/0x6a0 kernel/trace/trace.c:2819 trace_event_buffer_reserve+0x2a8/0x3d0 kernel/trace/trace_events.c:627 trace_event_raw_event_bpf_trace_printk+0x138/0x280 kernel/trace/bpf_trace.h:11 trace_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline] ____bpf_trace_printk kernel/trace/bpf_trace.c:383 [inline] bpf_trace_printk+0x2f0/0x360 kernel/trace/bpf_trace.c:366 bpf_prog_a1f16182a65750b0+0x3f/0xf60 bpf_dispatcher_nop_func include/linux/bpf.h:890 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] bpf_prog_run_pin_on_cpu+0x63/0x140 include/linux/filter.h:652 bpf_prog_test_run_syscall+0x361/0x500 net/bpf/test_run.c:1070 bpf_prog_test_run+0x31c/0x390 kernel/bpf/syscall.c:3374 __sys_bpf+0x5a5/0x6f0 kernel/bpf/syscall.c:4675 __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: 0033:0x7f704e95e559 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:00007f704cbb5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f704ebe4fa0 RCX: 00007f704e95e559 RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a RBP: 00007f704e9f5b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f704ebe5038 R14: 00007f704ebe4fa0 R15: 00007ffcaa313578