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: 285 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:__traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222 Code: 80 3c 30 00 74 05 e8 a4 6f 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:ffffc90000db6ff0 EFLAGS: 00010096 RAX: 1ffff110299dcf06 RBX: ffff88814cee7828 RCX: ffff88811a9cd100 RDX: ffff888106073cc0 RSI: 0000000000000001 RDI: ffffc90000119000 RBP: ffffc90000db7030 R08: 0000000000000001 R09: fffffbfff0ee4cae R10: 00000000b720eca3 R11: 1ffffffff0ee4cad R12: 0000000000000001 R13: ffff88814cee7828 R14: dffffc0000000000 R15: ffffffff817125b0 FS: 0000555582fee500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcb20b4f40 CR3: 0000000130608000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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:unwind_next_frame+0x8/0x700 arch/x86/kernel/unwind_frame.c:265 Code: e8 3d 6c 7f 00 eb 91 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 b8 b1 d2 a0 0a 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 ec 48 48 89 fb 48 ba 00 00 00 00 00 fc ff df RSP: 0018:ffffc90000db72e8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffc90000db73c0 RCX: 0000000000db7300 RDX: dffffc0000000000 RSI: ffffffff815bd184 RDI: ffffc90000db7308 RBP: ffffc90000db72f8 R08: ffffc90000db73d0 R09: ffffc90000db73c8 R10: 0000000000000003 R11: 1ffff920001b6e61 R12: ffff888106073cc0 R13: dffffc0000000000 R14: ffffffff8160ce50 R15: ffffc90000db7308 arch_stack_walk+0x124/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496 __call_rcu_common kernel/rcu/tree.c:2807 [inline] call_rcu+0xd4/0xf90 kernel/rcu/tree.c:2926 dentry_free+0xbd/0x150 fs/dcache.c:-1 __dentry_kill+0x529/0x670 fs/dcache.c:625 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:918 proc_invalidate_siblings_dcache+0x2a0/0x3c0 fs/proc/inode.c:149 proc_flush_pid+0x1d/0x20 fs/proc/base.c:3605 release_task+0x10c3/0x1200 kernel/exit.c:280 wait_task_zombie kernel/exit.c:1214 [inline] wait_consider_task+0x1a68/0x2890 kernel/exit.c:1441 do_wait_thread kernel/exit.c:1504 [inline] do_wait+0x268/0x9a0 kernel/exit.c:1621 kernel_wait4+0x1a5/0x260 kernel/exit.c:1784 __do_sys_wait4 kernel/exit.c:1812 [inline] __se_sys_wait4 kernel/exit.c:1808 [inline] __x64_sys_wait4+0x130/0x1e0 kernel/exit.c:1808 x64_sys_call+0x927/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:62 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fdc5fb84e53 Code: 00 00 0f 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 80 3d 11 37 22 00 00 49 89 ca 74 14 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48 RSP: 002b:00007ffcb20b5538 EFLAGS: 00000202 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 0000000000000432 RCX: 00007fdc5fb84e53 RDX: 0000000040000001 RSI: 00007ffcb20b557c RDI: 00000000ffffffff RBP: 00007ffcb20b557c R08: 00000000000000d3 R09: 002387be5eb3ef54 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000184 R13: 00000000000927c0 R14: 0000000000033a96 R15: 00007ffcb20b55d0 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 a4 6f 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:ffffc90000db6ff0 EFLAGS: 00010096 RAX: 1ffff110299dcf06 RBX: ffff88814cee7828 RCX: ffff88811a9cd100 RDX: ffff888106073cc0 RSI: 0000000000000001 RDI: ffffc90000119000 RBP: ffffc90000db7030 R08: 0000000000000001 R09: fffffbfff0ee4cae R10: 00000000b720eca3 R11: 1ffffffff0ee4cad R12: 0000000000000001 R13: ffff88814cee7828 R14: dffffc0000000000 R15: ffffffff817125b0 FS: 0000555582fee500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcb20b4f40 CR3: 0000000130608000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: e8 3d 6c 7f 00 call 0x7f6c42 5: eb 91 jmp 0xffffff98 7: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) e: 00 00 00 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: b8 b1 d2 a0 0a mov $0xaa0d2b1,%eax 22: 55 push %rbp 23: 48 89 e5 mov %rsp,%rbp 26: 41 57 push %r15 28: 41 56 push %r14 * 2a: 41 55 push %r13 <-- trapping instruction 2c: 41 54 push %r12 2e: 53 push %rbx 2f: 48 83 ec 48 sub $0x48,%rsp 33: 48 89 fb mov %rdi,%rbx 36: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 3d: fc ff df