RBP: 00007fbf2827a090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fbf275e6218 R14: 00007fbf275e6180 R15: 00007ffec14caa48 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: 1201 Comm: syz.3.233 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 84 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:ffffc9000963f470 EFLAGS: 00010096 RAX: 1ffff11022c10046 RBX: ffff888116080228 RCX: ffff888121d11440 RDX: ffff8881302d9440 RSI: 0000000000000001 RDI: ffffc90009641000 RBP: ffffc9000963f4b0 R08: 0000000000000000 R09: fffffbfff0ee4ef6 R10: 00000000b720eca3 R11: 1ffffffff0ee4ef5 R12: 0000000000000001 R13: ffff888116080228 R14: dffffc0000000000 R15: ffffffff817146d0 FS: 00007fbf2827a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ce8817000 CR3: 0000000119312000 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:__kernel_text_address+0x2d/0x30 kernel/extable.c:92 Code: e5 53 48 89 fb e8 33 00 00 00 85 c0 0f 95 c0 48 81 fb 00 10 7a 87 0f 93 c1 48 81 fb d0 58 88 87 0f 92 c2 20 ca 08 c2 0f b6 c2 <5b> 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 dc 6f 7b 4a 55 48 89 RSP: 0018:ffffc9000963f768 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff81812215 RCX: 000000000963f700 RDX: ffffc9000963fc01 RSI: 1ffff920012c7ef6 RDI: ffffffff81812215 RBP: ffffc9000963f770 R08: ffffc9000963f870 R09: ffffc9000963f868 R10: 0000000000000006 R11: 1ffff920012c7ef5 R12: ffff8881302d9440 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920012c7efe unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19 arch_stack_walk+0xfc/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x31/0x50 mm/kasan/generic.c:516 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:241 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1750 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776 slab_free mm/slub.c:3712 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 kfree+0x6f/0xf0 mm/slab_common.c:990 bpf_raw_tp_link_dealloc+0x15/0x20 kernel/bpf/syscall.c:3179 bpf_link_free+0x321/0x390 kernel/bpf/syscall.c:2743 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: 0033:0x7fbf2738f749 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:00007fbf2827a038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fbf275e6180 RCX: 00007fbf2738f749 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007fbf2827a090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fbf275e6218 R14: 00007fbf275e6180 R15: 00007ffec14caa48 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 84 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:ffffc9000963f470 EFLAGS: 00010096 RAX: 1ffff11022c10046 RBX: ffff888116080228 RCX: ffff888121d11440 RDX: ffff8881302d9440 RSI: 0000000000000001 RDI: ffffc90009641000 RBP: ffffc9000963f4b0 R08: 0000000000000000 R09: fffffbfff0ee4ef6 R10: 00000000b720eca3 R11: 1ffffffff0ee4ef5 R12: 0000000000000001 R13: ffff888116080228 R14: dffffc0000000000 R15: ffffffff817146d0 FS: 00007fbf2827a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ce8817000 CR3: 0000000119312000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e5 53 in $0x53,%eax 2: 48 89 fb mov %rdi,%rbx 5: e8 33 00 00 00 call 0x3d a: 85 c0 test %eax,%eax c: 0f 95 c0 setne %al f: 48 81 fb 00 10 7a 87 cmp $0xffffffff877a1000,%rbx 16: 0f 93 c1 setae %cl 19: 48 81 fb d0 58 88 87 cmp $0xffffffff878858d0,%rbx 20: 0f 92 c2 setb %dl 23: 20 ca and %cl,%dl 25: 08 c2 or %al,%dl 27: 0f b6 c2 movzbl %dl,%eax * 2a: 5b pop %rbx <-- trapping instruction 2b: 5d pop %rbp 2c: c3 ret 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: b8 dc 6f 7b 4a mov $0x4a7b6fdc,%eax 3d: 55 push %rbp 3e: 48 rex.W 3f: 89 .byte 0x89