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: 233d, last: 9h09m
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: 0 PID: 13 Comm: ksoftirqd/0 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 94 79 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:ffffc900000d7cf0 EFLAGS: 00010096
RAX: 1ffff11022e246e3 RBX: ffff888117123710 RCX: ffff888100325100
RDX: ffff888100323cc0 RSI: 0000000000000000 RDI: ffffc90000a9b000
RBP: ffffc900000d7d30 R08: 0000000000000001 R09: fffffbfff0ee4e96
R10: 00000000b720eca3 R11: 1ffffffff0ee4e95 R12: 0000000000000000
R13: ffff888117123710 R14: dffffc0000000000 R15: ffffffff81713c50
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd8bbda068 CR3: 000000010f180000 CR4: 00000000003506b0
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:6747
 schedule+0xbd/0x170 kernel/sched/core.c:6826
 smpboot_thread_fn+0x547/0x910 kernel/smpboot.c:160
 kthread+0x281/0x320 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </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 94 79 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:ffffc900000d7cf0 EFLAGS: 00010096
RAX: 1ffff11022e246e3 RBX: ffff888117123710 RCX: ffff888100325100
RDX: ffff888100323cc0 RSI: 0000000000000000 RDI: ffffc90000a9b000
RBP: ffffc900000d7d30 R08: 0000000000000001 R09: fffffbfff0ee4e96
R10: 00000000b720eca3 R11: 1ffffffff0ee4e95 R12: 0000000000000000
R13: ffff888117123710 R14: dffffc0000000000 R15: ffffffff81713c50
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd8bbda068 CR3: 000000010f180000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (436):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/13 09:01 android14-6.1 c638897860ca 07e030de .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/08/05 05:33 android14-6.1 3b4ff5af8d36 f5bcc8dc .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 06:29 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
2025/12/15 04:25 android14-6.1 6f1c2f8fd8c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/14 18:32 android14-6.1 6f1c2f8fd8c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/14 09:22 android14-6.1 6f1c2f8fd8c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/14 03:26 android14-6.1 6f1c2f8fd8c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/13 20:32 android14-6.1 6f1c2f8fd8c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/12 05:40 android14-6.1 2181735221bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/12 02:59 android14-6.1 2181735221bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/11 16:22 android14-6.1 2181735221bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/10 19:32 android14-6.1 0ac176d7ef4d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/09 06:29 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/12/08 09:31 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/08 03:31 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/06 19:51 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/06 19:14 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/05 15:42 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/04 13:47 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/04 10:26 android14-6.1 5ddae867b428 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/03 04:52 android14-6.1 8719e7de782b d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/02 08:33 android14-6.1 5b6cecf56c72 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/12/01 05:03 android14-6.1 a92da54b7708 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/30 23:39 android14-6.1 a92da54b7708 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/29 09:56 android14-6.1 a92da54b7708 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/29 01:27 android14-6.1 a92da54b7708 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/27 14:16 android14-6.1 a92da54b7708 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/11/24 02:23 android14-6.1 eba111621724 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/23 05:03 android14-6.1 eba111621724 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/23 01:43 android14-6.1 eba111621724 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/22 12:22 android14-6.1 eba111621724 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/22 06:25 android14-6.1 eba111621724 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/21 02:06 android14-6.1 eba111621724 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/20 21:21 android14-6.1 eba111621724 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/14 21:57 android14-6.1 f090d4b083a9 f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/11/14 06:06 android14-6.1 f090d4b083a9 07e030de .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/11/13 08:35 android14-6.1 c638897860ca 07e030de .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/11 19:38 android14-6.1 86676b1f0b19 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/11 16:17 android14-6.1 86676b1f0b19 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/11 08:20 android14-6.1 86676b1f0b19 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/10 05:55 android14-6.1 50ba6c46f3ac 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/08 20:06 android14-6.1 50ba6c46f3ac 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/08 05:21 android14-6.1 50ba6c46f3ac 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/07 13:45 android14-6.1 50ba6c46f3ac 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/07 00:17 android14-6.1 50ba6c46f3ac 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf invalid opcode in __traceiter_sched_switch
2025/11/06 12:12 android14-6.1 c562f4013ec6 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/05 18:39 android14-6.1 616b19ad1f68 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/04 15:04 android14-6.1 bcb587495e56 686bf657 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 invalid opcode in __traceiter_sched_switch
2025/11/02 09:05 android14-6.1 3e2aa22eb7df 2c50b6a9 .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.