================================================================================
UBSAN: array-index-out-of-bounds in kernel/bpf/helpers.c:776:13
index -1 is out of range for type 'char[3][512]'
CPU: 0 PID: 22540 Comm: syz-executor.0 Tainted: G W 6.1.68-syzkaller-00100-g5b8114ec3c92 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
dump_stack+0x15/0x1b lib/dump_stack.c:113
ubsan_epilogue lib/ubsan.c:151 [inline]
__ubsan_handle_out_of_bounds+0x13a/0x160 lib/ubsan.c:282
try_get_fmt_tmp_buf kernel/bpf/helpers.c:776 [inline]
bpf_bprintf_prepare+0x132e/0x1360 kernel/bpf/helpers.c:818
____bpf_trace_printk kernel/trace/bpf_trace.c:385 [inline]
bpf_trace_printk+0x14a/0x300 kernel/trace/bpf_trace.c:376
bpf_prog_627f579d68777422+0x3d/0x3f
bpf_dispatcher_nop_func include/linux/bpf.h:982 [inline]
__bpf_prog_run include/linux/filter.h:600 [inline]
bpf_prog_run include/linux/filter.h:607 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline]
bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2314
__bpf_trace_sys_enter+0x62/0x70 include/trace/events/syscalls.h:18
__traceiter_sys_enter+0x2a/0x40 include/trace/events/syscalls.h:18
trace_sys_enter include/trace/events/syscalls.h:18 [inline]
syscall_trace_enter kernel/entry/common.c:81 [inline]
__syscall_enter_from_user_work kernel/entry/common.c:94 [inline]
syscall_enter_from_user_mode+0x12c/0x190 kernel/entry/common.c:112
do_syscall_64+0x1e/0xb0 arch/x86/entry/common.c:77
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f346b67a793
Code: 00 00 0f 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 80 3d 71 57 10 00 00 49 89 ca 74 14 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48
RSP: 002b:00007fff718fe838 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000002c4 RCX: 00007f346b67a793
RDX: 0000000040000001 RSI: 00007fff718fe89c RDI: 00000000ffffffff
RBP: 00007fff718fe89c R08: 00007fff719c0080 R09: 00007fff719c00b0
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000000c51e8 R14: 00000000000c51b5 R15: 0000000000000008
================================================================================
BUG: scheduling while atomic: syz-executor.0/22540/0x00000002
Modules linked in:
Preemption disabled at:
[] schedule+0xbc/0x180 kernel/sched/core.c:6804
CPU: 0 PID: 22540 Comm: syz-executor.0 Tainted: G W 6.1.68-syzkaller-00100-g5b8114ec3c92 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
dump_stack+0x15/0x1b lib/dump_stack.c:113
__schedule_bug+0x195/0x260 kernel/sched/core.c:5960
schedule_debug kernel/sched/core.c:5987 [inline]
__schedule+0xcf7/0x1550 kernel/sched/core.c:6622
schedule+0xc3/0x180 kernel/sched/core.c:6805
exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f346b67a793
Code: 00 00 0f 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 80 3d 71 57 10 00 00 49 89 ca 74 14 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48
RSP: 002b:00007fff718fe838 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: 0000000000000000 RBX: 00000000000002c4 RCX: 00007f346b67a793
RDX: 0000000040000001 RSI: 00007fff718fe89c RDI: 00000000ffffffff
RBP: 00007fff718fe89c R08: 00007fff719c0080 R09: 00007fff719c00b0
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 00000000000c51e8 R14: 00000000000c51b5 R15: 0000000000000008