================================================================================
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: 101 Comm: udevd Not tainted 6.1.68-syzkaller-00029-g8c0f9174731d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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_cfddb232a7dfb698+0x2f/0x33
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_run3+0x177/0x2e0 kernel/trace/bpf_trace.c:2315
__bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:114
trace_kmem_cache_free include/trace/events/kmem.h:114 [inline]
kmem_cache_free+0x4e7/0x510 mm/slub.c:3705
putname+0xfa/0x150 fs/namei.c:271
do_sys_openat2+0x466/0x850 fs/open.c:1350
do_sys_open fs/open.c:1357 [inline]
__do_sys_openat fs/open.c:1373 [inline]
__se_sys_openat fs/open.c:1368 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1368
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7face6994477
Code: 10 00 00 00 44 8b 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 82 69 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffeada96128 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055f42e8843e0 RCX: 00007face6994477
RDX: 0000000000090800 RSI: 000055f42e877540 RDI: 00000000ffffff9c
RBP: 000055f42e8f9810 R08: 0000000000090800 R09: 000055f42e877540
R10: 0000000000000000 R11: 0000000000000287 R12: 000055f42e877540
R13: 00000000000000ff R14: 000055f42dd851c4 R15: 0000000000000000
================================================================================
BUG: scheduling while atomic: udevd/101/0x00000002
Modules linked in:
Preemption disabled at:
[] rcu_read_lock_sched include/linux/rcupdate.h:846 [inline]
[] fd_install+0x59/0x250 fs/file.c:607
CPU: 0 PID: 101 Comm: udevd Not tainted 6.1.68-syzkaller-00029-g8c0f9174731d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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+0xce9/0x1540 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: 0033:0x7face6994477
Code: 10 00 00 00 44 8b 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 82 69 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffeada96128 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: 000000000000000d RBX: 000055f42e8843e0 RCX: 00007face6994477
RDX: 0000000000090800 RSI: 000055f42e877540 RDI: 00000000ffffff9c
RBP: 000055f42e8f9810 R08: 0000000000090800 R09: 000055f42e877540
R10: 0000000000000000 R11: 0000000000000287 R12: 000055f42e877540
R13: 00000000000000ff R14: 000055f42dd851c4 R15: 0000000000000000