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: 90d, last: 4h54m
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 (170):
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
2025/07/25 20:28 android14-6.1 96160a0e0aa1 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/25 18:48 android14-6.1 96160a0e0aa1 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/07/25 15:01 android14-6.1 96160a0e0aa1 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/25 12:07 android14-6.1 96160a0e0aa1 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/25 10:46 android14-6.1 96160a0e0aa1 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/23 12:38 android14-6.1 de932537be34 e1dd4f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/22 20:28 android14-6.1 de932537be34 8e9d1dc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/07/22 12:29 android14-6.1 de932537be34 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/21 22:10 android14-6.1 2dbfabb0eec8 56d87229 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/21 22:07 android14-6.1 2dbfabb0eec8 56d87229 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/21 10:13 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/20 17:16 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/20 13:35 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/20 12:08 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/20 07:38 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/20 02:33 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/20 00:48 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/19 13:00 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/19 08:10 android14-6.1 145c7fad733f 7117feec .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/18 13:27 android14-6.1 145c7fad733f 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/18 10:03 android14-6.1 145c7fad733f 88248e14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/17 06:35 android14-6.1 145c7fad733f 44f8051e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/16 19:39 android14-6.1 145c7fad733f 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/16 15:42 android14-6.1 145c7fad733f 124ec9cc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/16 00:43 android14-6.1 e2deb0b42a3a 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/15 16:03 android14-6.1 e2deb0b42a3a 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/15 01:10 android14-6.1 e2deb0b42a3a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/14 18:50 android14-6.1 e2deb0b42a3a d8fc7335 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/13 21:38 android14-6.1 e2deb0b42a3a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/13 08:00 android14-6.1 e2deb0b42a3a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/12 07:39 android14-6.1 e2deb0b42a3a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/11 22:36 android14-6.1 e2deb0b42a3a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/11 19:08 android14-6.1 e2deb0b42a3a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/11 09:25 android14-6.1 e2deb0b42a3a 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/10 14:48 android14-6.1 e2deb0b42a3a 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/07/08 22:46 android14-6.1 fa7e0538663e 4d9fdfa4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/08 06:17 android14-6.1 fa7e0538663e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/07 16:05 android14-6.1 fa7e0538663e 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/07/07 07:41 android14-6.1 7011769d221c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/06 13:33 android14-6.1 7011769d221c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/06 07:08 android14-6.1 7011769d221c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/06 05:41 android14-6.1 7011769d221c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/07/06 03:16 android14-6.1 7011769d221c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/05 05:27 android14-6.1 7011769d221c d869b261 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/04 10:41 android14-6.1 7011769d221c 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/04 09:33 android14-6.1 7011769d221c 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/07/03 16:04 android14-6.1 7011769d221c 115ceea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/03 00:14 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/07/02 20:48 android14-6.1 7011769d221c bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/07/01 23:51 android14-6.1 7011769d221c 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/06/30 23:08 android14-6.1 1bf1aa362e6b 6e83b42d .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.