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: 2648 Comm: syz.4.631 Not tainted 6.1.138-syzkaller-00046-gdb710ea87c32 #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 74 55 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:ffffc900060ff0f0 EFLAGS: 00010096 RAX: 1ffff1102623ae29 RBX: ffff8881311d7140 RCX: ffff88811aaba880 RDX: ffff888117791440 RSI: 0000000000000001 RDI: ffffc90008109000 RBP: ffffc900060ff130 R08: 0000000000000000 R09: ffff888123255150 R10: 00000000b720eca3 R11: 1ffff1102464aa2a R12: 0000000000000001 R13: ffff8881311d7140 R14: dffffc0000000000 R15: ffffffff81710d60 FS: 00007f0f500b86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c5cf7 CR3: 00000001303b7000 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_apic_timer_interrupt+0x64/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:update_stack_state+0x95/0x480 arch/x86/kernel/unwind_frame.c:-1 Code: 08 48 05 a8 00 00 00 eb 21 4c 8d 73 38 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 c2 44 7f 00 49 8b 06 48 83 c0 10 <48> 89 45 a0 44 89 f8 83 e0 01 48 f7 d8 4c 89 fa 48 83 e2 fe 48 21 RSP: 0018:ffffc900060ff3d8 EFLAGS: 00000286 RAX: ffffc900060ffc30 RBX: ffffc900060ff528 RCX: 00000000060ff500 RDX: dffffc0000000000 RSI: ffffc900060ffc70 RDI: ffffc900060ff580 RBP: ffffc900060ff498 R08: ffffc900060ff5f0 R09: ffffc900060ff5e8 R10: 000000000000000c R11: 1ffff92000c1fea5 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffc900060ff560 R15: ffffc900060ffc70 unwind_next_frame+0x3d5/0x700 arch/x86/kernel/unwind_frame.c:315 arch_stack_walk+0x124/0x150 arch/x86/kernel/stacktrace.c:25 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_alloc_info+0x25/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:379 [inline] __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:388 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958 kmemdup+0x2b/0x60 mm/util.c:134 _Z7kmemdupPKvU17pass_object_size0mj include/linux/fortify-string.h:585 [inline] sidtab_sid2str_get+0x120/0x2c0 security/selinux/ss/sidtab.c:615 sidtab_entry_to_string security/selinux/ss/services.c:1291 [inline] security_sid_to_context_core+0x2ac/0x480 security/selinux/ss/services.c:1384 security_sid_to_context+0x33/0x40 security/selinux/ss/services.c:1407 selinux_secid_to_secctx+0x2c/0x40 security/selinux/hooks.c:6594 security_secid_to_secctx+0x85/0xc0 security/security.c:2147 audit_log_task_context+0xbe/0x1e0 kernel/audit.c:2193 audit_log_task+0x185/0x2e0 kernel/auditsc.c:2945 audit_seccomp+0x7f/0x160 kernel/auditsc.c:2995 seccomp_log kernel/seccomp.c:994 [inline] __seccomp_filter+0x1785/0x19d0 kernel/seccomp.c:1312 __secure_computing+0xea/0x290 kernel/seccomp.c:1342 syscall_trace_enter+0xaa/0x150 kernel/entry/common.c:72 __syscall_enter_from_user_work kernel/entry/common.c:100 [inline] syscall_enter_from_user_mode+0x1f/0x30 kernel/entry/common.c:118 do_syscall_64+0x24/0xa0 arch/x86/entry/common.c:77 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f0f4f18e969 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:00007f0f500b80e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f0f4f3b5fa8 RCX: 00007f0f4f18e969 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0f4f3b5fa8 RBP: 00007f0f4f3b5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f4f3b5fac R13: 0000000000000000 R14: 00007ffd2c019940 R15: 00007ffd2c019a28 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 74 55 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:ffffc900060ff0f0 EFLAGS: 00010096 RAX: 1ffff1102623ae29 RBX: ffff8881311d7140 RCX: ffff88811aaba880 RDX: ffff888117791440 RSI: 0000000000000001 RDI: ffffc90008109000 RBP: ffffc900060ff130 R08: 0000000000000000 R09: ffff888123255150 R10: 00000000b720eca3 R11: 1ffff1102464aa2a R12: 0000000000000001 R13: ffff8881311d7140 R14: dffffc0000000000 R15: ffffffff81710d60 FS: 00007f0f500b86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c5cf7 CR3: 00000001303b7000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 08 48 05 or %cl,0x5(%rax) 3: a8 00 test $0x0,%al 5: 00 00 add %al,(%rax) 7: eb 21 jmp 0x2a 9: 4c 8d 73 38 lea 0x38(%rbx),%r14 d: 4c 89 f0 mov %r14,%rax 10: 48 c1 e8 03 shr $0x3,%rax 14: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 19: 74 08 je 0x23 1b: 4c 89 f7 mov %r14,%rdi 1e: e8 c2 44 7f 00 call 0x7f44e5 23: 49 8b 06 mov (%r14),%rax 26: 48 83 c0 10 add $0x10,%rax * 2a: 48 89 45 a0 mov %rax,-0x60(%rbp) <-- trapping instruction 2e: 44 89 f8 mov %r15d,%eax 31: 83 e0 01 and $0x1,%eax 34: 48 f7 d8 neg %rax 37: 4c 89 fa mov %r15,%rdx 3a: 48 83 e2 fe and $0xfffffffffffffffe,%rdx 3e: 48 rex.W 3f: 21 .byte 0x21