------------[ cut here ]------------ WARNING: CPU: 0 PID: 6160 at kernel/bpf/helpers.c:778 bpf_try_get_buffers kernel/bpf/helpers.c:778 [inline] WARNING: CPU: 0 PID: 6160 at kernel/bpf/helpers.c:778 bpf_bprintf_prepare+0x12cf/0x13a0 kernel/bpf/helpers.c:831 Modules linked in: CPU: 0 UID: 0 PID: 6160 Comm: syz.3.61 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:bpf_try_get_buffers kernel/bpf/helpers.c:778 [inline] RIP: 0010:bpf_bprintf_prepare+0x12cf/0x13a0 kernel/bpf/helpers.c:831 Code: ff e9 ce fe ff ff e8 20 b2 e0 ff e9 be fe ff ff e8 16 b2 e0 ff e9 b4 fe ff ff e8 0c b2 e0 ff e9 aa fe ff ff e8 02 b2 e0 ff 90 <0f> 0b 90 65 ff 0d 67 0d 90 10 b8 f0 ff ff ff e9 17 ff ff ff e8 e8 RSP: 0018:ffffc9000410f840 EFLAGS: 00010293 RAX: ffffffff81df57be RBX: ffffc9000410fa10 RCX: ffff888024b9bc80 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: ffffc9000410f970 R08: 0000000000585870 R09: 0000000000000005 R10: dffffc0000000000 R11: fffff52000821f20 R12: dffffc0000000000 R13: 0000000000000004 R14: 0000000000000003 R15: 1ffff92000821f42 FS: 000055555cd14500(0000) GS:ffff88812613b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007711e000 CR4: 00000000003526f0 Call Trace: ____bpf_trace_printk kernel/trace/bpf_trace.c:372 [inline] bpf_trace_printk+0xdb/0x190 kernel/trace/bpf_trace.c:362 bpf_prog_70ade08689effdc9+0x41/0x4c bpf_dispatcher_nop_func include/linux/bpf.h:1364 [inline] __bpf_prog_run include/linux/filter.h:721 [inline] bpf_prog_run include/linux/filter.h:728 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:745 [inline] bpf_flow_dissect+0x225/0x720 net/core/flow_dissector.c:1024 bpf_prog_test_run_flow_dissector+0x37c/0x5c0 net/bpf/test_run.c:1482 bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4710 __sys_bpf+0x562/0x860 kernel/bpf/syscall.c:6189 __do_sys_bpf kernel/bpf/syscall.c:6281 [inline] __se_sys_bpf kernel/bpf/syscall.c:6279 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6279 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f185218f6c9 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:00007ffd35c0d428 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f18523e5fa0 RCX: 00007f185218f6c9 RDX: 0000000000000050 RSI: 0000200000000180 RDI: 000000000000000a RBP: 00007f1852211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f18523e5fa0 R14: 00007f18523e5fa0 R15: 0000000000000003