------------[ cut here ]------------ WARNING: kernel/trace/trace.c:2506 at tracing_start_tr.part.0+0x1f3/0x280 kernel/trace/trace.c:2506, CPU#0: syz.3.1937/17852 Modules linked in: CPU: 0 UID: 0 PID: 17852 Comm: syz.3.1937 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:tracing_start_tr.part.0+0x1f3/0x280 kernel/trace/trace.c:2506 Code: 48 85 db 74 0d e8 2d 36 fb ff 48 89 df e8 55 5b fd ff e8 20 36 fb ff 4c 89 ff e8 28 fd ff ff e9 eb fe ff ff e8 0e 36 fb ff 90 <0f> 0b 90 c7 83 94 00 00 00 00 00 00 00 e9 ce fe ff ff e8 26 dd 63 RSP: 0018:ffffc90003e2fbd8 EFLAGS: 00010087 RAX: 00000000000227fc RBX: ffffffff8e452380 RCX: ffffc9000c239000 RDX: 0000000000080000 RSI: ffffffff81c27642 RDI: 0000000000000005 RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 00000000ada8ec1b R12: 1ffff920007c5f7c R13: 0000000000000287 R14: ffffffff8e452490 R15: ffffffff8e4523a0 FS: 00007f659e1db6c0(0000) GS:ffff88812495b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000063f8 CR3: 000000005592c000 CR4: 00000000003526f0 Call Trace: tracing_start_tr kernel/trace/trace.c:9989 [inline] buffer_subbuf_size_write+0x226/0x280 kernel/trace/trace.c:9987 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: 0033:0x7f659d38f7c9 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:00007f659e1db038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f659d5e5fa0 RCX: 00007f659d38f7c9 RDX: 0000000000000040 RSI: 0000200000000280 RDI: 000000000000000c RBP: 00007f659d413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f659d5e6038 R14: 00007f659d5e5fa0 R15: 00007ffcbd9e5e38