================================================================================
UBSAN: array-index-out-of-bounds in kernel/bpf/helpers.c:736:13
index -1 is out of range for type 'char[3][512]'
CPU: 1 PID: 9042 Comm: syz-executor.3 Tainted: G        W         5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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_6f192687de60fcfc+0x35/0xa70
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 bpf_prog_run_pin_on_cpu include/linux/filter.h:649 [inline]
 bpf_flow_dissect+0x128/0x3e0 net/core/flow_dissector.c:887
 bpf_prog_test_run_flow_dissector+0x51a/0x860 net/bpf/test_run.c:901
 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3342
 __sys_bpf+0x525/0x760 kernel/bpf/syscall.c:4645
 __do_sys_bpf kernel/bpf/syscall.c:4731 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4729 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4729
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f773d3c2da9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f773c1440c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f773d4f0f80 RCX: 00007f773d3c2da9
RDX: 000000000000004c RSI: 0000000020000640 RDI: 000000000000000a
RBP: 00007f773d40f47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f773d4f0f80 R15: 00007ffebf9f8ab8
 </TASK>
================================================================================
BUG: scheduling while atomic: syz-executor.3/9042/0x00000007
Modules linked in:
Preemption disabled at:
[<ffffffff840e3b21>] bpf_test_timer_enter net/bpf/test_run.c:35 [inline]
[<ffffffff840e3b21>] bpf_test_timer_continue+0x331/0x460 net/bpf/test_run.c:78
CPU: 1 PID: 9042 Comm: syz-executor.3 Tainted: G        W         5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5707
 schedule_debug kernel/sched/core.c:5734 [inline]
 __schedule+0xd19/0x1590 kernel/sched/core.c:6402
 schedule+0x11f/0x1e0 kernel/sched/core.c:6595
 exit_to_user_mode_loop+0x4d/0xe0 kernel/entry/common.c:163
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f773d3c2da9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f773c1440c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: fffffffffffffffc RBX: 00007f773d4f0f80 RCX: 00007f773d3c2da9
RDX: 000000000000004c RSI: 0000000020000640 RDI: 000000000000000a
RBP: 00007f773d40f47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f773d4f0f80 R15: 00007ffebf9f8ab8
 </TASK>