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: 25060 Comm: syz.0.6069 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 64 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:ffffc9000114f3f0 EFLAGS: 00010096 RAX: 1ffff11021b9ec46 RBX: ffff88810dcf6228 RCX: ffff88811bf0bcc0 RDX: ffff888142465100 RSI: 0000000000000001 RDI: ffffc90001645000 RBP: ffffc9000114f430 R08: 0000000000000000 R09: fffffbfff0ee4dde R10: 00000000b720eca3 R11: 1ffffffff0ee4ddd R12: 0000000000000001 R13: ffff88810dcf6228 R14: dffffc0000000000 R15: ffffffff81713a50 FS: 00007f3e20e9a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b339f7000 CR3: 000000012fcad000 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_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:__unix_dgram_recvmsg+0x98f/0xd70 net/unix/af_unix.c:2528 Code: 0f 89 b9 01 00 00 e8 40 40 24 fd eb 05 e8 39 40 24 fd 8b 5c 24 34 89 de 83 e6 20 31 ff e8 49 44 24 fd 83 e3 20 48 8b 5c 24 78 <75> 1b e8 1a 40 24 fd 49 bc 00 00 00 00 00 fc ff df 48 8b 74 24 20 RSP: 0018:ffffc9000114f6e0 EFLAGS: 00000246 RAX: ffffffff844bddd7 RBX: ffff888140b91680 RCX: 0000000000000002 RDX: ffff888142465100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000114f870 R08: dffffc0000000000 R09: ffffed1025b8da8d R10: ffffed1025b8da8d R11: 1ffff11025b8da8c R12: 00000000ffffffff R13: 1ffff92000229eec R14: 00000000ffffffff R15: ffff8881f71bcf00 unix_dgram_recvmsg+0xc7/0xe0 net/unix/af_unix.c:2550 ____sys_recvmsg+0x2a0/0x590 net/socket.c:-1 ___sys_recvmsg+0x1b2/0x510 net/socket.c:2770 do_recvmmsg+0x359/0x7a0 net/socket.c:2864 __sys_recvmmsg net/socket.c:2943 [inline] __do_sys_recvmmsg net/socket.c:2966 [inline] __se_sys_recvmmsg net/socket.c:2959 [inline] __x64_sys_recvmmsg+0x18d/0x240 net/socket.c:2959 x64_sys_call+0x3e7/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:300 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: 0033:0x7f3e1ff8efc9 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:00007f3e20e9a038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f3e201e6090 RCX: 00007f3e1ff8efc9 RDX: 03fffffffffffeda RSI: 00002000000000c0 RDI: 0000000000000004 RBP: 00007f3e20011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3e201e6128 R14: 00007f3e201e6090 R15: 00007ffce5dcef68 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 64 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:ffffc9000114f3f0 EFLAGS: 00010096 RAX: 1ffff11021b9ec46 RBX: ffff88810dcf6228 RCX: ffff88811bf0bcc0 RDX: ffff888142465100 RSI: 0000000000000001 RDI: ffffc90001645000 RBP: ffffc9000114f430 R08: 0000000000000000 R09: fffffbfff0ee4dde R10: 00000000b720eca3 R11: 1ffffffff0ee4ddd R12: 0000000000000001 R13: ffff88810dcf6228 R14: dffffc0000000000 R15: ffffffff81713a50 FS: 00007f3e20e9a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b339f7000 CR3: 000000012fcad000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f 89 b9 01 00 00 jns 0x1bf 6: e8 40 40 24 fd call 0xfd24404b b: eb 05 jmp 0x12 d: e8 39 40 24 fd call 0xfd24404b 12: 8b 5c 24 34 mov 0x34(%rsp),%ebx 16: 89 de mov %ebx,%esi 18: 83 e6 20 and $0x20,%esi 1b: 31 ff xor %edi,%edi 1d: e8 49 44 24 fd call 0xfd24446b 22: 83 e3 20 and $0x20,%ebx 25: 48 8b 5c 24 78 mov 0x78(%rsp),%rbx * 2a: 75 1b jne 0x47 <-- trapping instruction 2c: e8 1a 40 24 fd call 0xfd24404b 31: 49 bc 00 00 00 00 00 movabs $0xdffffc0000000000,%r12 38: fc ff df 3b: 48 8b 74 24 20 mov 0x20(%rsp),%rsi