syzbot


invalid opcode in __traceiter_sched_switch

Status: upstream: reported C repro on 2025/04/26 06:10
Bug presence: origin:lts
[Documentation on labels]
Reported-by: syzbot+9586fa657641e1a1be2f@syzkaller.appspotmail.com
First crash: 52d, last: 28m
Bug presence (2)
Date Name Commit Repro Result
2025/04/27 lts (merge base) 420102835862 C [report] invalid opcode in __traceiter_sched_switch
2025/04/27 upstream (ToT) 5bc1018675ec C Didn't crash

Sample crash report:
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: 301 Comm: syz-executor421 Not tainted 6.1.129-syzkaller-00020-g70d648657b1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__traceiter_sched_switch+0x9b/0xd0 include/trace/events/sched.h:222
Code: 80 3c 30 00 74 05 e8 a4 47 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:ffffc90000ee7b90 EFLAGS: 00010096
RAX: 1ffff11021a71c69 RBX: ffff88810d38e340 RCX: ffff888110d9d100
RDX: ffff888110f90000 RSI: 0000000000000000 RDI: ffffc900000d9000
RBP: ffffc90000ee7bd0 R08: 0000000000000008 R09: fffffbfff0ee41b6
R10: 00000000b720eca3 R11: 1ffffffff0ee41b5 R12: 0000000000000000
R13: ffff88810d38e340 R14: dffffc0000000000 R15: ffffffff8170fe20
FS:  000055557f9b6380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f629532e261 CR3: 0000000124628000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 trace_sched_switch include/trace/events/sched.h:222 [inline]
 __schedule+0x1263/0x14e0 kernel/sched/core.c:6746
 schedule+0xbd/0x170 kernel/sched/core.c:6825
 ptrace_stop+0x520/0x8b0 kernel/signal.c:2331
 ptrace_do_notify kernel/signal.c:2368 [inline]
 ptrace_notify+0x1b3/0x250 kernel/signal.c:2380
 ptrace_report_syscall include/linux/ptrace.h:420 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:482 [inline]
 syscall_exit_work+0x84/0x140 kernel/entry/common.c:258
 syscall_exit_to_user_mode_prepare+0x1c/0x20 kernel/entry/common.c:285
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0xd/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: 0033:0x7f62952d8b19
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe36e32f78 EFLAGS: 00000286 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe36e32f90 RCX: 00007f62952d8b19
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000
RBP: 0000000000000001 R08: 00007ffe36e32d17 R09: 0000000000000140
R10: 0000000000000001 R11: 0000000000000286 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
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 47 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:ffffc90000ee7b90 EFLAGS: 00010096
RAX: 1ffff11021a71c69 RBX: ffff88810d38e340 RCX: ffff888110d9d100
RDX: ffff888110f90000 RSI: 0000000000000000 RDI: ffffc900000d9000
RBP: ffffc90000ee7bd0 R08: 0000000000000008 R09: fffffbfff0ee41b6
R10: 00000000b720eca3 R11: 1ffffffff0ee41b5 R12: 0000000000000000
R13: ffff88810d38e340 R14: dffffc0000000000 R15: ffffffff8170fe20
FS:  000055557f9b6380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f629532e261 CR3: 0000000124628000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (81):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/26 06:29 android14-6.1 70d648657b1e c6b4fb39 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/26 06:02 android14-6.1 70d648657b1e c6b4fb39 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/17 19:18 android14-6.1 6246d345f550 cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/17 00:54 android14-6.1 6246d345f550 d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/16 23:24 android14-6.1 6246d345f550 d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/16 07:22 android14-6.1 6246d345f550 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/16 04:58 android14-6.1 6246d345f550 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/15 14:59 android14-6.1 6246d345f550 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/09 01:56 android14-6.1 7af56ffc913d 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/08 12:36 android14-6.1 7af56ffc913d 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/08 11:15 android14-6.1 7af56ffc913d 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/08 04:28 android14-6.1 7af56ffc913d 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/07 16:27 android14-6.1 7af56ffc913d 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/06 04:44 android14-6.1 d8780220fd00 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/05 13:52 android14-6.1 3048ff69258f 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/04 21:11 android14-6.1 4cf22d978348 e565f08d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/03 15:27 android14-6.1 5b87067cdd87 a30356b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/31 17:18 android14-6.1 db710ea87c32 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/31 02:29 android14-6.1 db710ea87c32 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/29 17:59 android14-6.1 db710ea87c32 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/29 17:59 android14-6.1 db710ea87c32 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/27 16:00 android14-6.1 9e207186c745 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/27 09:57 android14-6.1 9e207186c745 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/27 04:34 android14-6.1 9e207186c745 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/27 03:07 android14-6.1 9e207186c745 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/25 14:44 android14-6.1 3c6d0251e1fb ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/24 00:19 android14-6.1 3c6d0251e1fb f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/23 21:53 android14-6.1 3c6d0251e1fb f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/23 14:45 android14-6.1 3c6d0251e1fb fa44301a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/22 12:16 android14-6.1 3c6d0251e1fb 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/19 03:10 android14-6.1 a0fa2316cce1 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/18 09:23 android14-6.1 a0fa2316cce1 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/18 04:58 android14-6.1 a0fa2316cce1 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/17 16:44 android14-6.1 a0fa2316cce1 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/05/17 09:29 android14-6.1 a0fa2316cce1 f41472b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/13 07:00 android14-6.1 646380b087a5 f6671af7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/12 15:08 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/11 20:40 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/11 20:26 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/10 12:02 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/10 02:53 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/10 02:53 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/08 19:35 android14-6.1 646380b087a5 dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/08 07:39 android14-6.1 646380b087a5 dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/05/08 02:56 android14-6.1 646380b087a5 dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/04/29 05:35 android14-6.1 242f90b45e89 aeb6ec69 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/27 15:39 android14-6.1 a4fc1bef0501 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/27 15:09 android14-6.1 a4fc1bef0501 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/27 13:58 android14-6.1 a4fc1bef0501 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/27 13:48 android14-6.1 a4fc1bef0501 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/27 13:36 android14-6.1 a4fc1bef0501 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/27 09:39 android14-6.1 a4fc1bef0501 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/04/26 06:35 android14-6.1 70d648657b1e c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/26 06:35 android14-6.1 70d648657b1e c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/26 06:28 android14-6.1 70d648657b1e c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/04/26 05:33 android14-6.1 70d648657b1e c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
* Struck through repros no longer work on HEAD.