R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fde181b6080 R15: 00007fff39865168 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: 21111 Comm: syz.0.5214 Not tainted 6.1.141-syzkaller-00040-g2dbfabb0eec8 #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 04 57 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:ffffc90008cbf530 EFLAGS: 00010096 RAX: 1ffff11021ca1869 RBX: ffff88810e50c340 RCX: ffff888107018000 RDX: ffff888133449440 RSI: 0000000000000001 RDI: ffffc90008ca2000 RBP: ffffc90008cbf570 R08: 0000000000000000 R09: ffffed1026689289 R10: 00000000b720eca3 R11: 1ffff11026689288 R12: 0000000000000001 R13: ffff88810e50c340 R14: dffffc0000000000 R15: ffffffff817113c0 FS: 00007fde18de76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60afeb5d58 CR3: 0000000111b2c000 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:unwind_next_frame+0x5b5/0x700 arch/x86/kernel/unwind_frame.c:370 Code: 06 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 45 90 0f b6 04 10 84 c0 0f 85 b8 00 00 00 c7 03 00 00 00 00 31 c0 48 83 c4 48 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 c6 05 f9 e7 39 06 01 48 b8 00 00 00 RSP: 0018:ffffc90008cbf818 EFLAGS: 00000292 RAX: 0000000008cbf801 RBX: ffffc90008cbf900 RCX: 0000000008cbf801 RDX: ffffc90008cbfef8 RSI: 1ffff92001197f0a RDI: ffffc90008cbf8a0 RBP: ffffc90008cbf838 R08: ffffc90008cbf910 R09: ffffc90008cbf908 R10: 0000000000000008 R11: 1ffff92001197f09 R12: 0000000000000000 R13: 1ffff92001197f14 R14: ffffc90008cbf8a0 R15: ffffc90008cbfed0 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 file_free fs/file_table.c:59 [inline] __fput+0x66a/0x8f0 fs/file_table.c:333 ____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: 0033:0x7fde17f8e9a9 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:00007fde18de7038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fde181b6080 RCX: 00007fde17f8e9a9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000003 RBP: 00007fde18de7090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fde181b6080 R15: 00007fff39865168 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 04 57 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:ffffc90008cbf530 EFLAGS: 00010096 RAX: 1ffff11021ca1869 RBX: ffff88810e50c340 RCX: ffff888107018000 RDX: ffff888133449440 RSI: 0000000000000001 RDI: ffffc90008ca2000 RBP: ffffc90008cbf570 R08: 0000000000000000 R09: ffffed1026689289 R10: 00000000b720eca3 R11: 1ffff11026689288 R12: 0000000000000001 R13: ffff88810e50c340 R14: dffffc0000000000 R15: ffffffff817113c0 FS: 00007fde18de76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60afeb5d58 CR3: 0000000111b2c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 9: fc ff df c: 48 8b 45 90 mov -0x70(%rbp),%rax 10: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax 14: 84 c0 test %al,%al 16: 0f 85 b8 00 00 00 jne 0xd4 1c: c7 03 00 00 00 00 movl $0x0,(%rbx) 22: 31 c0 xor %eax,%eax 24: 48 83 c4 48 add $0x48,%rsp 28: 5b pop %rbx * 29: 41 5c pop %r12 <-- trapping instruction 2b: 41 5d pop %r13 2d: 41 5e pop %r14 2f: 41 5f pop %r15 31: 5d pop %rbp 32: c3 ret 33: c6 05 f9 e7 39 06 01 movb $0x1,0x639e7f9(%rip) # 0x639e833 3a: 48 rex.W 3b: b8 .byte 0xb8 3c: 00 00 add %al,(%rax)