RBP: 00007f23275bd090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f2326a16038 R14: 00007f2326a15fa0 R15: 00007ffc67c0f008 CFI failure at __traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222 (target: tp_stub_func+0x0/0x10; expected type: 0xee1f7a69) invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 11548 Comm: syz.1.13902 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222 Code: 80 3c 30 00 74 05 e8 34 97 6a 00 49 8b 7d 08 44 89 e6 48 8b 55 c8 48 8b 4d c0 44 8b 45 d4 41 ba 97 85 e0 11 45 03 57 fc 74 02 <0f> 0b 41 ff d7 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 RSP: 0018:ffffc90003b07710 EFLAGS: 00010096 RAX: 1ffff110235defb6 RBX: ffff88811aef7da8 RCX: ffff888100326540 RDX: ffff88813bf00000 RSI: 0000000000000001 RDI: ffffffff87104680 RBP: ffffc90003b07750 R08: 0000000000000000 R09: 0000000000000004 R10: 00000000b720eca3 R11: fffff52000760ec4 R12: 0000000000000001 R13: ffff88811aef7da8 R14: dffffc0000000000 R15: ffffffff81728c70 FS: 00007f23275bd6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000031 CR3: 000000017c3de000 CR4: 00000000003506a0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: trace_sched_switch include/trace/events/sched.h:222 [inline] __schedule+0x1270/0x1500 kernel/sched/core.c:6747 preempt_schedule_irq+0xaa/0x120 kernel/sched/core.c:7062 raw_irqentry_exit_cond_resched+0x29/0x30 kernel/entry/common.c:396 irqentry_exit+0x37/0x40 kernel/entry/common.c:439 sysvec_reschedule_ipi+0x78/0x80 arch/x86/kernel/smp.c:244 asm_sysvec_reschedule_ipi+0x1b/0x20 arch/x86/include/asm/idtentry.h:696 RIP: 0010:__init_swait_queue_head+0x67/0x90 kernel/sched/swait.c:12 Code: 08 4c 89 f7 e8 6a 92 63 00 4c 89 73 08 48 83 c3 10 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 4c 92 63 00 4c 89 33 <5b> 41 5e 41 5f 5d c3 89 d9 80 e1 07 80 c1 03 38 c1 7c ac 48 89 df RSP: 0018:ffffc90003b079f8 EFLAGS: 00000246 RAX: 1ffff92000760f51 RBX: ffffc90003b07a88 RCX: 0000000000000000 RDX: ffffffff87b9b600 RSI: ffffffff856a53e0 RDI: ffffc90003b07a78 RBP: ffffc90003b07a10 R08: ffffc90003b07a8f R09: ffffc90003b07a60 R10: dffffc0000000000 R11: fffff52000760f52 R12: ffffc90003b07a60 R13: ffffffff871e6100 R14: ffffc90003b07a80 R15: dffffc0000000000 init_completion include/linux/completion.h:87 [inline] __synchronize_srcu+0x160/0x210 kernel/rcu/srcutree.c:1240 synchronize_srcu+0x1d9/0x1f0 kernel/rcu/srcutree.c:-1 tracepoint_synchronize_unregister include/linux/tracepoint.h:93 [inline] perf_trace_event_unreg+0xd8/0x1c0 kernel/trace/trace_event_perf.c:168 perf_trace_destroy+0xbe/0x180 kernel/trace/trace_event_perf.c:241 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:10020 _free_event+0x9cd/0xce0 kernel/events/core.c:5045 put_event kernel/events/core.c:5139 [inline] perf_event_release_kernel+0x825/0x8c0 kernel/events/core.c:5264 perf_release+0x3b/0x40 kernel/events/core.c:5274 __fput+0x1fc/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f232679c629 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f23275bd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007f2326a15fa0 RCX: 00007f232679c629 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f23275bd090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f2326a16038 R14: 00007f2326a15fa0 R15: 00007ffc67c0f008 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222 Code: 80 3c 30 00 74 05 e8 34 97 6a 00 49 8b 7d 08 44 89 e6 48 8b 55 c8 48 8b 4d c0 44 8b 45 d4 41 ba 97 85 e0 11 45 03 57 fc 74 02 <0f> 0b 41 ff d7 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 RSP: 0018:ffffc90003b07710 EFLAGS: 00010096 RAX: 1ffff110235defb6 RBX: ffff88811aef7da8 RCX: ffff888100326540 RDX: ffff88813bf00000 RSI: 0000000000000001 RDI: ffffffff87104680 RBP: ffffc90003b07750 R08: 0000000000000000 R09: 0000000000000004 R10: 00000000b720eca3 R11: fffff52000760ec4 R12: 0000000000000001 R13: ffff88811aef7da8 R14: dffffc0000000000 R15: ffffffff81728c70 FS: 00007f23275bd6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000031 CR3: 000000017c3de000 CR4: 00000000003506a0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 08 4c 89 f7 or %cl,-0x9(%rcx,%rcx,4) 4: e8 6a 92 63 00 call 0x639273 9: 4c 89 73 08 mov %r14,0x8(%rbx) d: 48 83 c3 10 add $0x10,%rbx 11: 48 89 d8 mov %rbx,%rax 14: 48 c1 e8 03 shr $0x3,%rax 18: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 1d: 74 08 je 0x27 1f: 48 89 df mov %rbx,%rdi 22: e8 4c 92 63 00 call 0x639273 27: 4c 89 33 mov %r14,(%rbx) * 2a: 5b pop %rbx <-- trapping instruction 2b: 41 5e pop %r14 2d: 41 5f pop %r15 2f: 5d pop %rbp 30: c3 ret 31: 89 d9 mov %ebx,%ecx 33: 80 e1 07 and $0x7,%cl 36: 80 c1 03 add $0x3,%cl 39: 38 c1 cmp %al,%cl 3b: 7c ac jl 0xffffffe9 3d: 48 89 df mov %rbx,%rdi