BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 22621, name: syz.0.5486
preempt_count: 2, expected: 0
RCU nest depth: 1, expected: 1
2 locks held by syz.0.5486/22621:
 #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: 22621 Comm: syz.0.5486 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 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
 bpf_prog_alloc_no_stats+0x10e/0x4d0 kernel/bpf/core.c:115
 bpf_prog_alloc+0x3c/0x1a0 kernel/bpf/core.c:153
 bpf_prog_load+0x735/0x1a10 kernel/bpf/syscall.c:2992
 __sys_bpf+0x507/0x860 kernel/bpf/syscall.c:6164
 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272
 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: 0033:0x7fe12ceaf749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe12b116038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe12d105fa0 RCX: 00007fe12ceaf749
RDX: 0000000000000094 RSI: 00002000000003c0 RDI: 0000000000000005
RBP: 00007fe12cf33f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe12d106038 R14: 00007fe12d105fa0 R15: 00007ffc25da7ec8
 </TASK>
BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 22621, name: syz.0.5486
preempt_count: 2, expected: 0
RCU nest depth: 1, expected: 1
2 locks held by syz.0.5486/22621:
 #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: 22621 Comm: syz.0.5486 Tainted: G        W           syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 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
 bpf_prog_alloc+0x65/0x1a0 kernel/bpf/core.c:157
 bpf_prog_load+0x735/0x1a10 kernel/bpf/syscall.c:2992
 __sys_bpf+0x507/0x860 kernel/bpf/syscall.c:6164
 __do_sys_bpf kernel/bpf/syscall.c:6274 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6272 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6272
 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: 0033:0x7fe12ceaf749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe12b116038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe12d105fa0 RCX: 00007fe12ceaf749
RDX: 0000000000000094 RSI: 00002000000003c0 RDI: 0000000000000005
RBP: 00007fe12cf33f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe12d106038 R14: 00007fe12d105fa0 R15: 00007ffc25da7ec8
 </TASK>