RBP: 00007f9e3d67d090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f9e3c9e6218 R14: 00007f9e3c9e6180 R15: 00007ffc5c15e7a8 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: 2750 Comm: syz.2.674 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:ffffc900107177b0 EFLAGS: 00010096 RAX: 1ffff11023a54796 RBX: ffff88811d2a3ca8 RCX: ffff88811e4f6540 RDX: ffff888114255100 RSI: 0000000000000001 RDI: ffffc900106fd000 RBP: ffffc900107177f0 R08: 0000000000000000 R09: fffffbfff0ee4dde R10: 00000000b720eca3 R11: 1ffffffff0ee4ddd R12: 0000000000000001 R13: ffff88811d2a3ca8 R14: dffffc0000000000 R15: ffffffff81713a70 FS: 00007f9e3d67d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000340 CR3: 0000000121579000 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:bytes_is_nonzero mm/kasan/generic.c:85 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x7f/0x290 mm/kasan/generic.c:189 Code: 5c 37 ff 48 c1 eb 03 4e 8d 14 3b 4d 89 d6 4d 29 ce 49 83 fe 10 7f 26 4d 85 f6 0f 84 39 01 00 00 48 f7 d3 4c 01 db 41 80 39 00 <0f> 85 c2 01 00 00 49 ff c1 48 ff c3 75 ee e9 1c 01 00 00 44 89 cb RSP: 0018:ffffc90010717aa8 EFLAGS: 00000246 RAX: f3f3f300f1f1f101 RBX: ffffffffffffffff RCX: ffffffff84f2e64c RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff86fe5dc0 RBP: ffffc90010717ac0 R08: dffffc0000000000 R09: fffffbfff0dfcbb8 R10: fffffbfff0dfcbb9 R11: 1ffffffff0dfcbb8 R12: dffffc0000000000 R13: 1ffff920020e2f5c R14: 0000000000000001 R15: dffffc0000000001 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37 instrument_atomic_read_write include/linux/instrumented.h:102 [inline] atomic_long_try_cmpxchg_release include/linux/atomic/atomic-instrumented.h:1788 [inline] __mutex_unlock_fast kernel/locking/mutex.c:188 [inline] mutex_unlock+0x7c/0x220 kernel/locking/mutex.c:560 tracepoint_probe_unregister+0x84e/0x8b0 kernel/tracepoint.c:552 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:2359 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3170 bpf_link_free+0x13a/0x390 kernel/bpf/syscall.c:2739 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: 0033:0x7f9e3c78efc9 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:00007f9e3d67d038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f9e3c9e6180 RCX: 00007f9e3c78efc9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000003 RBP: 00007f9e3d67d090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f9e3c9e6218 R14: 00007f9e3c9e6180 R15: 00007ffc5c15e7a8 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:ffffc900107177b0 EFLAGS: 00010096 RAX: 1ffff11023a54796 RBX: ffff88811d2a3ca8 RCX: ffff88811e4f6540 RDX: ffff888114255100 RSI: 0000000000000001 RDI: ffffc900106fd000 RBP: ffffc900107177f0 R08: 0000000000000000 R09: fffffbfff0ee4dde R10: 00000000b720eca3 R11: 1ffffffff0ee4ddd R12: 0000000000000001 R13: ffff88811d2a3ca8 R14: dffffc0000000000 R15: ffffffff81713a70 FS: 00007f9e3d67d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000340 CR3: 0000000121579000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: ff 48 c1 decl -0x3f(%rax) 3: eb 03 jmp 0x8 5: 4e 8d 14 3b lea (%rbx,%r15,1),%r10 9: 4d 89 d6 mov %r10,%r14 c: 4d 29 ce sub %r9,%r14 f: 49 83 fe 10 cmp $0x10,%r14 13: 7f 26 jg 0x3b 15: 4d 85 f6 test %r14,%r14 18: 0f 84 39 01 00 00 je 0x157 1e: 48 f7 d3 not %rbx 21: 4c 01 db add %r11,%rbx 24: 41 80 39 00 cmpb $0x0,(%r9) * 28: 0f 85 c2 01 00 00 jne 0x1f0 <-- trapping instruction 2e: 49 ff c1 inc %r9 31: 48 ff c3 inc %rbx 34: 75 ee jne 0x24 36: e9 1c 01 00 00 jmp 0x157 3b: 44 89 cb mov %r9d,%ebx