RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007efe8880b090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007efe87be6038 R14: 00007efe87be5fa0 R15: 00007ffcd2989f78 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: 0 PID: 9964 Comm: syz.0.2514 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222 Code: 80 3c 30 00 74 05 e8 b4 86 69 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:ffffc90000ec7970 EFLAGS: 00010096 RAX: 1ffff110223ff969 RBX: ffff888111ffcb40 RCX: ffff888113e15100 RDX: ffff888113e16540 RSI: 0000000000000001 RDI: ffffc90000f81000 RBP: ffffc90000ec79b0 R08: 0000000000000000 R09: fffff520001d8ed9 R10: 00000000b720eca3 R11: ffffffff813437f0 R12: 0000000000000001 R13: ffff888111ffcb40 R14: dffffc0000000000 R15: ffffffff81714610 FS: 00007efe8880b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd981e62f98 CR3: 0000000117c97000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_sched_switch include/trace/events/sched.h:222 [inline] __schedule+0x1263/0x14e0 kernel/sched/core.c:6747 preempt_schedule_irq+0x9b/0x110 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:bpf_link_free+0x300/0x390 kernel/bpf/syscall.c:2743 Code: 10 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 83 cf 34 00 4d 8b 36 49 83 c6 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 f7 e8 66 cf 34 00 48 89 df 4d 8b 1e 41 ba 89 c2 80 a9 RSP: 0018:ffffc90000ec7c60 EFLAGS: 00000246 RAX: 1ffffffff0b18ca1 RBX: ffff88811621d980 RCX: ffff888113e16540 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc90000ec7d08 R08: dffffc0000000000 R09: ffffed10214b3e01 R10: ffffed10214b3e01 R11: 1ffff110214b3e00 R12: 1ffff11022c43b33 R13: dffffc0000000000 R14: ffffffff858c6508 R15: 1ffff920001d8f90 bpf_link_put kernel/bpf/syscall.c:2765 [inline] bpf_link_release+0x15f/0x170 kernel/bpf/syscall.c:2774 __fput+0x1fc/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1db/0x240 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:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7efe8798f749 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:00007efe8880b038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007efe87be5fa0 RCX: 00007efe8798f749 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007efe8880b090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007efe87be6038 R14: 00007efe87be5fa0 R15: 00007ffcd2989f78 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 b4 86 69 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:ffffc90000ec7970 EFLAGS: 00010096 RAX: 1ffff110223ff969 RBX: ffff888111ffcb40 RCX: ffff888113e15100 RDX: ffff888113e16540 RSI: 0000000000000001 RDI: ffffc90000f81000 RBP: ffffc90000ec79b0 R08: 0000000000000000 R09: fffff520001d8ed9 R10: 00000000b720eca3 R11: ffffffff813437f0 R12: 0000000000000001 R13: ffff888111ffcb40 R14: dffffc0000000000 R15: ffffffff81714610 FS: 00007efe8880b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd981e62f98 CR3: 0000000117c97000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 10 4c 89 f0 adc %cl,-0x10(%rcx,%rcx,4) 4: 48 c1 e8 03 shr $0x3,%rax 8: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) d: 74 08 je 0x17 f: 4c 89 f7 mov %r14,%rdi 12: e8 83 cf 34 00 call 0x34cf9a 17: 4d 8b 36 mov (%r14),%r14 1a: 49 83 c6 08 add $0x8,%r14 1e: 4c 89 f0 mov %r14,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) * 2a: 74 08 je 0x34 <-- trapping instruction 2c: 4c 89 f7 mov %r14,%rdi 2f: e8 66 cf 34 00 call 0x34cf9a 34: 48 89 df mov %rbx,%rdi 37: 4d 8b 1e mov (%r14),%r11 3a: 41 ba 89 c2 80 a9 mov $0xa980c289,%r10d