syzbot

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WARNING: kernel/trace/trace.c:2497 at tracing_start_tr+0x21d/0x2b0 kernel/trace/trace.c:2497, CPU#0: syz.3.186/6257
Modules linked in:
CPU: 0 UID: 0 PID: 6257 Comm: syz.3.186 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:tracing_start_tr+0x21d/0x2b0 kernel/trace/trace.c:2497
Code: 48 85 db 74 0d e8 73 1c fb ff 48 89 df e8 fb 42 fd ff e8 66 1c fb ff 4c 89 ef e8 be c5 ff ff e9 1e ff ff ff e8 54 1c fb ff 90 <0f> 0b 90 c7 83 94 00 00 00 00 00 00 00 e9 01 ff ff ff e8 3c 1c fb
RSP: 0018:ffffc90003777bd8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffffffff8e250de0 RCX: ffffffff81c203e7
RDX: ffff888027699e80 RSI: ffffffff81c204dc RDI: 0000000000000005
RBP: 1ffff920006eef7c R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 000000003ca71f67 R12: 00000000ffffffff
R13: dffffc0000000000 R14: 0000000000000293 R15: ffffffff8e250ec0
FS:  0000555561d28500(0000) GS:ffff888124ba8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000075090000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 buffer_subbuf_size_write+0x1ca/0x260 kernel/trace/trace.c:9702
 vfs_write+0x2a0/0x11d0 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/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2c50f8f7c9
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:00007ffe8ab04cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2c511e5fa0 RCX: 00007f2c50f8f7c9
RDX: 0000000000000040 RSI: 0000200000000280 RDI: 0000000000000004
RBP: 00007f2c51013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2c511e5fa0 R14: 00007f2c511e5fa0 R15: 0000000000000003
 </TASK>