RBP: 00007f928aa3c090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f9289db5fa0 R15: 00007fff202fc7e8 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: 4046 Comm: syz.4.1016 Not tainted 6.1.134-syzkaller-00039-g3c6d0251e1fb #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 94 4b 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:ffffc90000dc74b0 EFLAGS: 00010096 RAX: 1ffff11023c0cda6 RBX: ffff88811e066d28 RCX: ffff88810039d100 RDX: ffff88812f163cc0 RSI: 0000000000000001 RDI: ffffc90000f19000 RBP: ffffc90000dc74f0 R08: 0000000000000000 R09: fffffbfff0ee4416 R10: 00000000b720eca3 R11: 1ffffffff0ee4415 R12: 0000000000000001 R13: ffff88811e066d28 R14: dffffc0000000000 R15: ffffffff817104f0 FS: 00007f928aa3c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33518ff8 CR3: 0000000132153000 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:arch_stack_walk+0x101/0x150 arch/x86/kernel/stacktrace.c:27 Code: ff ff 4c 89 e6 4c 89 fa e8 ac 91 05 00 83 bd 78 ff ff ff 00 74 40 4c 8d bd 78 ff ff ff 4c 89 ff e8 f4 81 05 00 48 85 c0 74 2c <48> 89 df 48 89 c6 41 ba 4a 9c 94 52 45 03 56 fc 74 02 0f 0b 41 ff RSP: 0018:ffffc90000dc77a8 EFLAGS: 00000282 RAX: ffffffff817f8f61 RBX: ffffc90000dc7860 RCX: 0000000000dc7700 RDX: ffffc90000dc7c01 RSI: 1ffff920001b8ef6 RDI: ffffffff817f8f61 RBP: ffffc90000dc7830 R08: ffffc90000dc7870 R09: ffffc90000dc7868 R10: 0000000000000007 R11: 1ffff920001b8ef5 R12: ffff88812f163cc0 R13: 0000000000000000 R14: ffffffff8160aea0 R15: ffffc90000dc77a8 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:1745 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1771 slab_free mm/slub.c:3686 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3702 kfree+0x6f/0xf0 mm/slab_common.c:990 bpf_raw_tp_link_dealloc+0x15/0x20 kernel/bpf/syscall.c:3176 bpf_link_free+0x321/0x390 kernel/bpf/syscall.c:2740 bpf_link_put kernel/bpf/syscall.c:2762 [inline] bpf_link_release+0x15f/0x170 kernel/bpf/syscall.c:2771 __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: 0033:0x7f9289b8e969 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:00007f928aa3c038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f9289db5fa0 RCX: 00007f9289b8e969 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000000 RBP: 00007f928aa3c090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f9289db5fa0 R15: 00007fff202fc7e8 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 94 4b 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:ffffc90000dc74b0 EFLAGS: 00010096 RAX: 1ffff11023c0cda6 RBX: ffff88811e066d28 RCX: ffff88810039d100 RDX: ffff88812f163cc0 RSI: 0000000000000001 RDI: ffffc90000f19000 RBP: ffffc90000dc74f0 R08: 0000000000000000 R09: fffffbfff0ee4416 R10: 00000000b720eca3 R11: 1ffffffff0ee4415 R12: 0000000000000001 R13: ffff88811e066d28 R14: dffffc0000000000 R15: ffffffff817104f0 FS: 00007f928aa3c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33518ff8 CR3: 0000000132153000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 4c 89 fa mov %r15,%rdx 7: e8 ac 91 05 00 call 0x591b8 c: 83 bd 78 ff ff ff 00 cmpl $0x0,-0x88(%rbp) 13: 74 40 je 0x55 15: 4c 8d bd 78 ff ff ff lea -0x88(%rbp),%r15 1c: 4c 89 ff mov %r15,%rdi 1f: e8 f4 81 05 00 call 0x58218 24: 48 85 c0 test %rax,%rax 27: 74 2c je 0x55 * 29: 48 89 df mov %rbx,%rdi <-- trapping instruction 2c: 48 89 c6 mov %rax,%rsi 2f: 41 ba 4a 9c 94 52 mov $0x52949c4a,%r10d 35: 45 03 56 fc add -0x4(%r14),%r10d 39: 74 02 je 0x3d 3b: 0f 0b ud2 3d: 41 rex.B 3e: ff .byte 0xff