RBP: 00007f41a817f090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 00007f41a75b6080 R15: 00007ffd022e43b8 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: 11348 Comm: syz.3.3023 Not tainted 6.1.141-syzkaller-00039-g145c7fad733f #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:ffffc900010b7a50 EFLAGS: 00010096 RAX: 1ffff1103cf85a06 RBX: ffff8881e7c2d028 RCX: ffff888118243cc0 RDX: ffff88810c25d100 RSI: 0000000000000001 RDI: ffffc90001e4e000 RBP: ffffc900010b7a90 R08: 0000000000000000 R09: fffffbfff0ee43ee R10: 00000000b720eca3 R11: 1ffffffff0ee43ed R12: 0000000000000001 R13: ffff8881e7c2d028 R14: dffffc0000000000 R15: ffffffff817113c0 FS: 00007f41a817f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32918ff8 CR3: 000000011cd27000 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:mntput+0x0/0xc0 fs/namespace.c:1272 Code: 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 b8 c9 4b 7e 14 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 89 fb e8 ab 04 ab ff 48 RSP: 0018:ffffc900010b7d40 EFLAGS: 00000293 RAX: ffffffff81bd49a1 RBX: 0000000000000000 RCX: ffff88810c25d100 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888100b99360 RBP: ffffc900010b7dd8 R08: ffff8881f5c00000 R09: 00000000000ee10f R10: 00000000acc8c0f2 R11: 0000000000000001 R12: 1ffff11021bdb9e8 R13: ffff88810dedcf00 R14: ffff888100b99360 R15: dffffc0000000000 ____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: 0033:0x7f41a738e9a9 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:00007f41a817f038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f41a75b6080 RCX: 00007f41a738e9a9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007f41a817f090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 00007f41a75b6080 R15: 00007ffd022e43b8 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:ffffc900010b7a50 EFLAGS: 00010096 RAX: 1ffff1103cf85a06 RBX: ffff8881e7c2d028 RCX: ffff888118243cc0 RDX: ffff88810c25d100 RSI: 0000000000000001 RDI: ffffc90001e4e000 RBP: ffffc900010b7a90 R08: 0000000000000000 R09: fffffbfff0ee43ee R10: 00000000b720eca3 R11: 1ffffffff0ee43ed R12: 0000000000000001 R13: ffff8881e7c2d028 R14: dffffc0000000000 R15: ffffffff817113c0 FS: 00007f41a817f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32918ff8 CR3: 000000011cd27000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 08 5b 41 or %bl,0x41(%rbx) 3: 5c pop %rsp 4: 41 5d pop %r13 6: 41 5e pop %r14 8: 41 5f pop %r15 a: 5d pop %rbp b: c3 ret c: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 13: 00 00 00 16: 0f 1f 40 00 nopl 0x0(%rax) 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: b8 c9 4b 7e 14 mov $0x147e4bc9,%eax * 2a: 55 push %rbp <-- trapping instruction 2b: 48 89 e5 mov %rsp,%rbp 2e: 41 57 push %r15 30: 41 56 push %r14 32: 41 55 push %r13 34: 41 54 push %r12 36: 53 push %rbx 37: 48 89 fb mov %rdi,%rbx 3a: e8 ab 04 ab ff call 0xffab04ea 3f: 48 rex.W