------------[ cut here ]------------ WARNING: CPU: 1 PID: 320 at kernel/trace/trace.c:2439 tracing_start_tr+0x22a/0x2f0 kernel/trace/trace.c:2439 Modules linked in: CPU: 1 UID: 0 PID: 320 Comm: syz-executor360 Not tainted syzkaller #0 7f3b23dcf55806c758f3cdeb9210fc77c27c120f Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:tracing_start_tr+0x22a/0x2f0 kernel/trace/trace.c:2439 Code: 04 25 28 00 00 00 48 3b 44 24 60 0f 85 84 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc 43 1b 04 cc e8 d6 26 fc ff <0f> 0b 49 bd 00 00 00 00 00 fc ff df 43 0f b6 04 2c 84 c0 75 79 41 RSP: 0000:ffffc900012bfb20 EFLAGS: 00010093 RAX: ffffffff818b4aea RBX: 1ffff92000257f68 RCX: ffff88811fef4c00 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc900012bfbd0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000257f50 R12: 1ffffffff0ec1af4 R13: 00000000ffffffff R14: ffffffff8760d7a0 R15: ffffffff8760d720 FS: 0000555582ce13c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faffefae3e0 CR3: 000000012d472000 CR4: 00000000003526b0 Call Trace: buffer_subbuf_size_write+0x29b/0x4b0 kernel/trace/trace.c:9483 vfs_write+0x3c1/0xfd0 fs/read_write.c:682 ksys_write+0x145/0x260 fs/read_write.c:737 __do_sys_write fs/read_write.c:749 [inline] __se_sys_write fs/read_write.c:746 [inline] __x64_sys_write+0x7f/0x90 fs/read_write.c:746 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:47 [inline] do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7faffef0f639 Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd6f73add8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 007269645f736665 RCX: 00007faffef0f639 RDX: 0000000000000003 RSI: 00002000000002c0 RDI: 0000000000000003 RBP: 6665636172742f2e R08: 0000000000000009 R09: 0000000000000009 R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffd6f73af58 R13: 0000000000000002 R14: 00007ffd6f73ae00 R15: 00007ffd6f73adf0 ---[ end trace 0000000000000000 ]---