BUG: sleeping function called from invalid context at net/bpf/test_run.c:81 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5504, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.4/5504. Preemption disabled at: [] try_get_fmt_tmp_buf kernel/bpf/helpers.c:768 [inline] [] bpf_bprintf_prepare+0x114/0x1310 kernel/bpf/helpers.c:818 CPU: 1 PID: 5504 Comm: syz-executor.4 Not tainted 6.1.71-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942 bpf_test_timer_continue+0x26f/0x350 net/bpf/test_run.c:81 bpf_test_run+0x44b/0x8b0 net/bpf/test_run.c:403 bpf_prog_test_run_skb+0xaf1/0x13a0 net/bpf/test_run.c:1180 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3633 __sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:4986 __do_sys_bpf kernel/bpf/syscall.c:5072 [inline] __se_sys_bpf kernel/bpf/syscall.c:5070 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5070 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: 0033:0x7f254667cd29 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:00007f25473fd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f25467abf80 RCX: 00007f254667cd29 RDX: 000000000000004c RSI: 0000000020000640 RDI: 000000000000000a RBP: 00007f25466c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f25467abf80 R15: 00007fff28cec518 BUG: scheduling while atomic: syz-executor.4/5504/0x00000002 no locks held by syz-executor.4/5504. Modules linked in: Preemption disabled at: [] try_get_fmt_tmp_buf kernel/bpf/helpers.c:768 [inline] [] bpf_bprintf_prepare+0x114/0x1310 kernel/bpf/helpers.c:818