RBP: 00007ff9c921b090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ff9c85e6218 R14: 00007ff9c85e6180 R15: 00007ffc792fbe68 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: 5727 Comm: syz.9.1898 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222 Code: 80 3c 30 00 74 05 e8 84 75 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:ffffc90000d07410 EFLAGS: 00010096 RAX: 1ffff11021255369 RBX: ffff8881092a9b40 RCX: ffff888110532880 RDX: ffff88811d7f2880 RSI: 0000000000000001 RDI: ffffc90000ddd000 RBP: ffffc90000d07450 R08: 0000000000000000 R09: ffffed1023afe511 R10: 00000000b720eca3 R11: 1ffff11023afe510 R12: 0000000000000001 R13: ffff8881092a9b40 R14: dffffc0000000000 R15: ffffffff81713a70 FS: 00007ff9c921b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000132493000 CR4: 00000000003506a0 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:__lt_find include/linux/rbtree_latch.h:113 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_ksym_find kernel/bpf/core.c:689 [inline] RIP: 0010:is_bpf_text_address+0x110/0x190 kernel/bpf/core.c:723 Code: 08 00 00 00 49 bc 00 00 00 00 00 fc ff df 49 01 c6 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 d3 02 36 00 4d 8b 36 <4d> 85 f6 74 0a e8 76 93 f1 ff e9 4d ff ff ff e8 6c 93 f1 ff 45 31 RSP: 0018:ffffc90000d07700 EFLAGS: 00000246 RAX: 1ffff11023783e62 RBX: 0000000000000000 RCX: ffff88811d7f2880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa0001e1c RBP: ffffc90000d07730 R08: ffffc90000d07870 R09: ffffc90000d07868 R10: 0000000000000011 R11: 1ffff920001a0ef5 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa0001e1c kernel_text_address+0xa0/0xd0 kernel/extable.c:125 __kernel_text_address+0xd/0x30 kernel/extable.c:79 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+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: 0033:0x7ff9c838efc9 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:00007ff9c921b038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ff9c85e6180 RCX: 00007ff9c838efc9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007ff9c921b090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ff9c85e6218 R14: 00007ff9c85e6180 R15: 00007ffc792fbe68 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 75 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:ffffc90000d07410 EFLAGS: 00010096 RAX: 1ffff11021255369 RBX: ffff8881092a9b40 RCX: ffff888110532880 RDX: ffff88811d7f2880 RSI: 0000000000000001 RDI: ffffc90000ddd000 RBP: ffffc90000d07450 R08: 0000000000000000 R09: ffffed1023afe511 R10: 00000000b720eca3 R11: 1ffff11023afe510 R12: 0000000000000001 R13: ffff8881092a9b40 R14: dffffc0000000000 R15: ffffffff81713a70 FS: 00007ff9c921b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000132493000 CR4: 00000000003506a0 ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 49 bc 00 00 00 00 00 movabs $0xdffffc0000000000,%r12 b: fc ff df e: 49 01 c6 add %rax,%r14 11: 4c 89 f0 mov %r14,%rax 14: 48 c1 e8 03 shr $0x3,%rax 18: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 1d: 74 08 je 0x27 1f: 4c 89 f7 mov %r14,%rdi 22: e8 d3 02 36 00 call 0x3602fa 27: 4d 8b 36 mov (%r14),%r14 * 2a: 4d 85 f6 test %r14,%r14 <-- trapping instruction 2d: 74 0a je 0x39 2f: e8 76 93 f1 ff call 0xfff193aa 34: e9 4d ff ff ff jmp 0xffffff86 39: e8 6c 93 f1 ff call 0xfff193aa 3e: 45 rex.RB 3f: 31 .byte 0x31