syzbot

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WARNING: CPU: 1 PID: 14209 at kernel/trace/trace.c:2493 tracing_start_tr+0x250/0x2f0 kernel/trace/trace.c:2493
Modules linked in:
CPU: 1 UID: 0 PID: 14209 Comm: syz.6.1587 Tainted: G     U              syzkaller #0 PREEMPT(full) 
Tainted: [U]=USER
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:tracing_start_tr+0x250/0x2f0 kernel/trace/trace.c:2493
Code: 00 0f 85 99 00 00 00 48 83 3d 2b 81 82 0c 00 74 70 e8 f4 28 fb ff 4c 89 ef e8 1c ad d3 09 90 e9 eb fe ff ff e8 e1 28 fb ff 90 <0f> 0b 90 c7 83 94 00 00 00 00 00 00 00 e9 ce fe ff ff e8 c9 28 fb
RSP: 0018:ffffc9000afe7b40 EFLAGS: 00010087
RAX: 000000000001f359 RBX: ffffffff8e645a60 RCX: ffffc9000e483000
RDX: 0000000000080000 RSI: ffffffff81bfdfbf RDI: 0000000000000005
RBP: 1ffff920015fcf69 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 00000000ffffffff
R13: dffffc0000000000 R14: 0000000000000283 R15: ffffffff8e645b40
FS:  00007f7153f656c0(0000) GS:ffff8881247c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fde3ff8 CR3: 0000000050d88000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 buffer_subbuf_size_write+0x1ca/0x260 kernel/trace/trace.c:9512
 do_loop_readv_writev fs/read_write.c:850 [inline]
 do_loop_readv_writev fs/read_write.c:835 [inline]
 vfs_writev+0x5dc/0xde0 fs/read_write.c:1059
 do_writev+0x132/0x340 fs/read_write.c:1103
 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: 0033:0x7f715318ebe9
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:00007f7153f65038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f71533c6090 RCX: 00007f715318ebe9
RDX: 000000000000000c RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007f7153211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f71533c6128 R14: 00007f71533c6090 R15: 00007ffee11e9f88
 </TASK>