syzbot

BUG: sleeping function called from invalid context at net/bpf/test_run.c:77
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3536, name: syz-executor233
no locks held by syz-executor233/3536.
Preemption disabled at:
[<ffffffff81964784>] try_get_fmt_tmp_buf kernel/bpf/helpers.c:728 [inline]
[<ffffffff81964784>] bpf_bprintf_prepare+0x114/0x1310 kernel/bpf/helpers.c:778
CPU: 0 PID: 3536 Comm: syz-executor233 Not tainted 5.15.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626
 bpf_test_timer_continue+0x26f/0x350 net/bpf/test_run.c:77
 bpf_test_run+0x42b/0x8a0 net/bpf/test_run.c:120
 bpf_prog_test_run_skb+0xb41/0x1420 net/bpf/test_run.c:663
 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3340
 __sys_bpf+0x3ac/0x670 kernel/bpf/syscall.c:4641
 __do_sys_bpf kernel/bpf/syscall.c:4727 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4725 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4725
 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: 0033:0x7faf15fbe229
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:00007ffc417c8a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faf15fbe229
RDX: 0000000000000050 RSI: 0000000020000640 RDI: 000000000000000a
RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
BUG: scheduling while atomic: syz-executor233/3536/0x00000002
no locks held by syz-executor233/3536.
Modules linked in:
Preemption disabled at:
[<ffffffff81964784>] try_get_fmt_tmp_buf kernel/bpf/helpers.c:728 [inline]
[<ffffffff81964784>] bpf_bprintf_prepare+0x114/0x1310 kernel/bpf/helpers.c:778