RBP: 00007f65f2b65090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f65f1fe6218 R14: 00007f65f1fe6180 R15: 00007ffc0d47b028 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: 12214 Comm: syz.4.11238 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 c4 90 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:ffffc90001a1f810 EFLAGS: 00010096 RAX: 1ffff11021bb4229 RBX: ffff88810dda1140 RCX: ffff888113d50000 RDX: ffff8881247f3cc0 RSI: 0000000000000001 RDI: ffffc90001c57000 RBP: ffffc90001a1f850 R08: 0000000000000000 R09: ffffffff8796a058 R10: 00000000b720eca3 R11: 1ffffffff0f2d408 R12: 0000000000000001 R13: ffff88810dda1140 R14: dffffc0000000000 R15: ffffffff817147b0 FS: 00007f65f2b656c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f65e8437000 CR3: 0000000114445000 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:kasan_quarantine_put+0x53/0x190 mm/kasan/quarantine.c:245 Code: d0 4c 8b 7d d0 fa e8 8c 3e 39 03 89 c0 48 8b 04 c5 a0 69 49 86 80 b8 98 54 03 00 01 75 1b 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 8d 80 80 54 03 00 RSP: 0018:ffffc90001a1faf0 EFLAGS: 00000206 RAX: ffff8881f7135401 RBX: ffff88811851b480 RCX: ffff888111c71360 RDX: ffff88811851b480 RSI: ffffffff85aa1ac0 RDI: ffffffff85aa1a80 RBP: ffffc90001a1fb20 R08: ffff8881f5c00000 R09: 000000000008afa7 R10: 0000000095c2bf50 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: 00000000000ef8f0 R15: 0000000000000282 ____kasan_slab_free+0x13d/0x180 mm/kasan/common.c:243 __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: 0033:0x7f65f1d8f749 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:00007f65f2b65038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f65f1fe6180 RCX: 00007f65f1d8f749 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007f65f2b65090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f65f1fe6218 R14: 00007f65f1fe6180 R15: 00007ffc0d47b028 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 c4 90 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:ffffc90001a1f810 EFLAGS: 00010096 RAX: 1ffff11021bb4229 RBX: ffff88810dda1140 RCX: ffff888113d50000 RDX: ffff8881247f3cc0 RSI: 0000000000000001 RDI: ffffc90001c57000 RBP: ffffc90001a1f850 R08: 0000000000000000 R09: ffffffff8796a058 R10: 00000000b720eca3 R11: 1ffffffff0f2d408 R12: 0000000000000001 R13: ffff88810dda1140 R14: dffffc0000000000 R15: ffffffff817147b0 FS: 00007f65f2b656c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f65e8437000 CR3: 0000000114445000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: d0 4c 8b 7d rorb 0x7d(%rbx,%rcx,4) 4: d0 fa sar %dl 6: e8 8c 3e 39 03 call 0x3393e97 b: 89 c0 mov %eax,%eax d: 48 8b 04 c5 a0 69 49 mov -0x79b69660(,%rax,8),%rax 14: 86 15: 80 b8 98 54 03 00 01 cmpb $0x1,0x35498(%rax) 1c: 75 1b jne 0x39 1e: 41 f7 c7 00 02 00 00 test $0x200,%r15d 25: 74 01 je 0x28 27: fb sti 28: 31 c0 xor %eax,%eax * 2a: 48 83 c4 08 add $0x8,%rsp <-- trapping instruction 2e: 5b pop %rbx 2f: 41 5c pop %r12 31: 41 5d pop %r13 33: 41 5e pop %r14 35: 41 5f pop %r15 37: 5d pop %rbp 38: c3 ret 39: 48 8d 80 80 54 03 00 lea 0x35480(%rax),%rax