RBP: 00007fdde2fde090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 00007fdde33b6160 R15: 00007ffdb1091148 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: 8209 Comm: syz.1.2162 Not tainted 6.1.138-syzkaller-00009-g6246d345f550 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222 Code: 80 3c 30 00 74 05 e8 24 55 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:ffffc90000db7970 EFLAGS: 00010096 RAX: 1ffff11026676dc6 RBX: ffff8881333b6e28 RCX: ffff88814668e540 RDX: ffff88814668a880 RSI: 0000000000000001 RDI: ffffc90000f83000 RBP: ffffc90000db79b0 R08: 0000000000000000 R09: fffffbfff0ee42f6 R10: 00000000b720eca3 R11: 1ffffffff0ee42f5 R12: 0000000000000001 R13: ffff8881333b6e28 R14: dffffc0000000000 R15: ffffffff81710d60 FS: 00007fdde2fde6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000057eff8 CR3: 000000012cce2000 CR4: 00000000003506a0 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+0x13a/0x390 kernel/bpf/syscall.c:2740 Code: 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4d b2 34 00 48 89 df 4d 8b 1f 41 ba 89 c2 80 a9 45 03 53 fc 74 02 0f 0b 41 ff d3 <43> 80 3c 2c 00 74 08 4c 89 f7 e8 27 b2 34 00 4d 8b 36 49 83 c6 38 RSP: 0018:ffffc90000db7c60 EFLAGS: 00000293 RAX: ffffffff817bd78a RBX: ffff8881333b6480 RCX: ffff88814668a880 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90000db7d08 R08: dffffc0000000000 R09: fffff520001b6f61 R10: fffff520001b6f61 R11: 1ffff920001b6f60 R12: 1ffff11026676c93 R13: dffffc0000000000 R14: ffff8881333b6498 R15: ffffffff858c52c0 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+0x5a/0xa0 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: 0033:0x7fdde318e929 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:00007fdde2fde038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fdde33b6160 RCX: 00007fdde318e929 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000004 RBP: 00007fdde2fde090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 00007fdde33b6160 R15: 00007ffdb1091148 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 24 55 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:ffffc90000db7970 EFLAGS: 00010096 RAX: 1ffff11026676dc6 RBX: ffff8881333b6e28 RCX: ffff88814668e540 RDX: ffff88814668a880 RSI: 0000000000000001 RDI: ffffc90000f83000 RBP: ffffc90000db79b0 R08: 0000000000000000 R09: fffffbfff0ee42f6 R10: 00000000b720eca3 R11: 1ffffffff0ee42f5 R12: 0000000000000001 R13: ffff8881333b6e28 R14: dffffc0000000000 R15: ffffffff81710d60 FS: 00007fdde2fde6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000057eff8 CR3: 000000012cce2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c1 e8 03 shr $0x3,%rax 4: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 9: 74 08 je 0x13 b: 4c 89 ff mov %r15,%rdi e: e8 4d b2 34 00 call 0x34b260 13: 48 89 df mov %rbx,%rdi 16: 4d 8b 1f mov (%r15),%r11 19: 41 ba 89 c2 80 a9 mov $0xa980c289,%r10d 1f: 45 03 53 fc add -0x4(%r11),%r10d 23: 74 02 je 0x27 25: 0f 0b ud2 27: 41 ff d3 call *%r11 * 2a: 43 80 3c 2c 00 cmpb $0x0,(%r12,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 27 b2 34 00 call 0x34b260 39: 4d 8b 36 mov (%r14),%r14 3c: 49 83 c6 38 add $0x38,%r14