================================================================================ 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: 2822 Comm: syz-executor386 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #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+0x15/0x17 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_cfddb232a7dfb698+0x2f/0x854 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_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1921 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138 __traceiter_kmem_cache_free+0x32/0x50 include/trace/events/kmem.h:138 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline] kmem_cache_free+0x2c3/0x2e0 mm/slub.c:3536 adjust_va_to_fit_type mm/vmalloc.c:1347 [inline] __alloc_vmap_area mm/vmalloc.c:1463 [inline] alloc_vmap_area+0x1748/0x1a80 mm/vmalloc.c:1554 __get_vm_area_node+0x158/0x360 mm/vmalloc.c:2439 __vmalloc_node_range+0xe2/0x8d0 mm/vmalloc.c:3051 __vmalloc_node mm/vmalloc.c:3151 [inline] vmalloc+0x78/0x90 mm/vmalloc.c:3184 bpf_prog_calc_tag+0xd7/0x8f0 kernel/bpf/core.c:281 resolve_pseudo_ldimm64+0xe2/0x1240 kernel/bpf/verifier.c:11740 bpf_check+0x3174/0x12bf0 kernel/bpf/verifier.c:14027 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: 0033:0x7faee7b89ee9 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:00007ffecbf786f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faee7b89ee9 RDX: 0000000000000049 RSI: 0000000020000980 RDI: 0000000000000005 RBP: 00000000000f4240 R08: 0000000000000000 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001bbae R13: 00007ffecbf7870c R14: 00007ffecbf78720 R15: 00007ffecbf78710 ================================================================================ BUG: scheduling while atomic: syz-executor386/2822/0x00000002 Modules linked in: Preemption disabled at: [] spin_lock include/linux/spinlock.h:363 [inline] [] preload_this_cpu_lock mm/vmalloc.c:1511 [inline] [] alloc_vmap_area+0x22d/0x1a80 mm/vmalloc.c:1553 CPU: 1 PID: 2822 Comm: syz-executor386 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #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+0x15/0x17 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: 0033:0x7faee7b89ee9 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:00007ffecbf786f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00007faee7b89ee9 RDX: 0000000000000049 RSI: 0000000020000980 RDI: 0000000000000005 RBP: 00000000000f4240 R08: 0000000000000000 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001bbae R13: 00007ffecbf7870c R14: 00007ffecbf78720 R15: 00007ffecbf78710