Hello,
syzbot found the following issue on:
HEAD commit: d69eb204c255 Merge tag 'net-6.17-rc5' of git://git.kernel...
git tree: upstream
console output:
https://syzkaller.appspot.com/x/log.txt?x=14f67162580000
kernel config:
https://syzkaller.appspot.com/x/.config?x=fecbb496f75d3d61
dashboard link:
https://syzkaller.appspot.com/bug?extid=eb730f6ee28e001e5a2e
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image:
https://storage.googleapis.com/syzbot-assets/a6f2a6d6a06c/disk-d69eb204.raw.xz
vmlinux:
https://storage.googleapis.com/syzbot-assets/3767a1bdccea/vmlinux-d69eb204.xz
kernel image:
https://storage.googleapis.com/syzbot-assets/2387e35c8e78/bzImage-d69eb204.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+eb730f...@syzkaller.appspotmail.com
------------[ cut here ]------------
WARNING: CPU: 0 PID: 20575 at kernel/tracepoint.c:294 tracepoint_add_func+0xbf2/0xea0 kernel/tracepoint.c:294
Modules linked in:
CPU: 0 UID: 0 PID: 20575 Comm: syz.3.1826 Tainted: G I syzkaller #0 PREEMPT(full)
Tainted: [I]=FIRMWARE_WORKAROUND
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:tracepoint_add_func+0xbf2/0xea0 kernel/tracepoint.c:294
Code: 54 12 fe ff 90 0f 0b 90 0f b6 74 24 43 31 ff bb ea ff ff ff e8 1f 0d fe ff 80 7c 24 44 00 0f 84 77 fb ff ff e8 2f 12 fe ff 90 <0f> 0b 90 e9 69 fb ff ff e8 21 12 fe ff 48 8b 44 24 10 48 8d 78 18
RSP: 0018:ffffc90004b3fb48 EFLAGS: 00010287
RAX: 000000000000128b RBX: ffffffffffffffef RCX: ffffc9000cf8c000
RDX: 0000000000080000 RSI: ffffffff81bcf8a1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffffff8e645aa0 R15: ffffffff81c3bd00
FS: 00007f88b35446c0(0000) GS:ffff8881246bd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33600ff8 CR3: 000000004752c000 CR4: 00000000003526f0
Call Trace:
<TASK>
tracepoint_probe_register_prio+0xbc/0x100 kernel/tracepoint.c:464
register_trace_prio_sched_switch include/trace/events/sched.h:220 [inline]
register_pid_events kernel/trace/trace_events.c:2390 [inline]
event_pid_write.isra.0+0x480/0x7f0 kernel/trace/trace_events.c:2461
vfs_write+0x29d/0x11d0 fs/read_write.c:684
ksys_write+0x12a/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f88b278ebe9
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:00007f88b3544038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f88b29c5fa0 RCX: 00007f88b278ebe9
RDX: 000000000000fdf3 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f88b2811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f88b29c6038 R14: 00007f88b29c5fa0 R15: 00007ffc283ad408
</TASK>
---
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