UBSAN: array-index-out-of-bounds in kernel/bpf/helpers.c:736:13
index -5 is out of range for type 'char[3][512]'
CPU: 1 PID: 284 Comm: syz-fuzzer Tainted: G        W         5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:282
 try_get_fmt_tmp_buf kernel/bpf/helpers.c:736 [inline]
 bpf_bprintf_prepare+0x132e/0x1360 kernel/bpf/helpers.c:778
 ____bpf_trace_printk kernel/trace/bpf_trace.c:377 [inline]
 bpf_trace_printk+0x14a/0x300 kernel/trace/bpf_trace.c:368
 bpf_prog_b6ff6b9c07ea4265+0x56/0x234
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:618 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
 bpf_trace_run2+0x159/0x210 kernel/trace/bpf_trace.c:1920
 __bpf_trace_sys_enter+0x62/0x70 include/trace/events/syscalls.h:18
 trace_sys_enter include/trace/events/syscalls.h:18 [inline]
 syscall_trace_enter kernel/entry/common.c:77 [inline]
 __syscall_enter_from_user_work kernel/entry/common.c:90 [inline]
 syscall_enter_from_user_mode+0x14d/0x1b0 kernel/entry/common.c:108
 do_syscall_64+0x1e/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x472e43
Code: 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 4c 8b 54 24 18 4c 8b 44 24 20 44 8b 4c 24 28 b8 ca 00 00 00 0f 05 <89> 44 24 30 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 002b:000000c000087f28 EFLAGS: 00000206 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000472e43
RDX: 0000000000000001 RSI: 0000000000000081 RDI: 00000000024d0d80
RBP: 000000c000087f78 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 000000c000087e10
R13: 0000000000000001 R14: 000000c000006d00 R15: 000000000000000f
 </TASK>
================================================================================
softirq: huh, entered softirq 3 NET_RX ffffffff83e88890 with preempt_count 00000100, exited with 000000fe?
softirq: huh, entered softirq 3 NET_RX ffffffff83e88890 with preempt_count 00000100, exited with 000000fe?