BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5815, name: syz-executor preempt_count: 2, expected: 0 RCU nest depth: 1, expected: 1 2 locks held by syz-executor/5815: #0: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline] #0: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2074 [inline] #0: ffffffff8d5ae940 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run10+0x1f2/0x510 kernel/trace/bpf_trace.c:2124 #1: ffff8880b883fe88 (&s->lock_key#14){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:44 [inline] #1: ffff8880b883fe88 (&s->lock_key#14){+.+.}-{3:3}, at: ___slab_alloc+0x12f/0x13e0 mm/slub.c:4521 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 5815 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 __might_resched+0x32a/0x480 kernel/sched/core.c:8827 __rt_spin_lock kernel/locking/spinlock_rt.c:48 [inline] rt_spin_lock+0xc7/0x3e0 kernel/locking/spinlock_rt.c:57 spin_lock include/linux/spinlock_rt.h:44 [inline] ___slab_alloc+0x12f/0x13e0 mm/slub.c:4521 __slab_alloc+0xc6/0x1f0 mm/slub.c:4779 __slab_alloc_node mm/slub.c:4855 [inline] kmalloc_nolock_noprof+0x1be/0x440 mm/slub.c:5734 bpf_stream_elem_alloc kernel/bpf/stream.c:33 [inline] __bpf_stream_push_str+0xa8/0x2b0 kernel/bpf/stream.c:50 bpf_stream_stage_printk+0x14e/0x1c0 kernel/bpf/stream.c:306 bpf_prog_report_may_goto_violation+0xc4/0x190 kernel/bpf/core.c:3219 bpf_check_timed_may_goto+0xaa/0xb0 kernel/bpf/core.c:3237 arch_bpf_timed_may_goto+0x21/0x40 arch/x86/net/bpf_timed_may_goto.S:40 bpf_prog_6fd842a53d323cc5+0x53/0x5f bpf_dispatcher_nop_func include/linux/bpf.h:1378 [inline] __bpf_prog_run include/linux/filter.h:723 [inline] bpf_prog_run include/linux/filter.h:730 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline] bpf_trace_run10+0x2e4/0x510 kernel/trace/bpf_trace.c:2124 __bpf_trace_percpu_alloc_percpu+0x364/0x400 include/trace/events/percpu.h:11 __do_trace_percpu_alloc_percpu include/trace/events/percpu.h:11 [inline] trace_percpu_alloc_percpu include/trace/events/percpu.h:11 [inline] pcpu_alloc_noprof+0x1557/0x16d0 mm/percpu.c:1892 mm_alloc_cid_noprof include/linux/mm_types.h:1492 [inline] mm_init+0x866/0xb50 kernel/fork.c:1123 dup_mm kernel/fork.c:1525 [inline] copy_mm+0x123/0x4b0 kernel/fork.c:1581 copy_process+0x1665/0x3960 kernel/fork.c:2221 kernel_clone+0x21d/0x7a0 kernel/fork.c:2651 __do_sys_clone kernel/fork.c:2792 [inline] __se_sys_clone kernel/fork.c:2776 [inline] __x64_sys_clone+0x18b/0x1e0 kernel/fork.c:2776 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3643d05e93 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffda7e9c4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3643d05e93 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 000055557308e7d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00000000000927c0 R14: 000000000001b1fb R15: 00007ffda7e9c680