================================================================================ 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: 724 Comm: syz-executor280 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #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+0x15/0x17 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_0de03f5a2f3aac1a+0x35/0xb68 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_trace_run kernel/trace/bpf_trace.c:1883 [inline] bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1922 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201 __traceiter_mm_page_alloc+0x3a/0x60 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798 allocate_slab mm/slub.c:1932 [inline] new_slab+0x9a/0x4e0 mm/slub.c:1995 ___slab_alloc+0x39e/0x830 mm/slub.c:3028 __slab_alloc+0x4a/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3248 [inline] kmem_cache_alloc_trace+0x142/0x210 mm/slub.c:3265 kmalloc include/linux/slab.h:603 [inline] kzalloc include/linux/slab.h:733 [inline] copy_verifier_state+0x57a/0xcc0 kernel/bpf/verifier.c:975 push_stack+0x19d/0x4f0 kernel/bpf/verifier.c:1051 check_cond_jmp_op kernel/bpf/verifier.c:9277 [inline] do_check+0xceac/0xf2c0 kernel/bpf/verifier.c:11398 do_check_common+0x909/0x1290 kernel/bpf/verifier.c:13408 do_check_main kernel/bpf/verifier.c:13471 [inline] bpf_check+0x3835/0x12bf0 kernel/bpf/verifier.c:14042 bpf_prog_load+0x12ac/0x1b50 kernel/bpf/syscall.c:2327 __sys_bpf+0x4bc/0x760 kernel/bpf/syscall.c:4627 __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: 0033:0x7f6c24d66129 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff1624e518 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c24d66129 RDX: 0000000000000090 RSI: 00000000200004c0 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fff1624e540 R15: 00007fff1624e530 ================================================================================ BUG: scheduling while atomic: syz-executor280/724/0x00000002 Modules linked in: Preemption disabled at: [] kmap_atomic include/linux/highmem-internal.h:196 [inline] [] clear_highpage include/linux/highmem.h:180 [inline] [] kernel_init_free_pages+0x47/0xf0 mm/page_alloc.c:1407 CPU: 1 PID: 724 Comm: syz-executor280 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #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+0x15/0x17 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: 0033:0x7f6c24d66129 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff1624e518 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: 0000000000000004 RBX: 0000000000000000 RCX: 00007f6c24d66129 RDX: 0000000000000090 RSI: 00000000200004c0 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fff1624e540 R15: 00007fff1624e530