------------[ cut here ]------------
WARNING: CPU: 1 PID: 5892 at kernel/trace/ring_buffer.c:3485 check_buffer+0x7d7/0x880 kernel/trace/ring_buffer.c:3485
Modules linked in:
CPU: 1 PID: 5892 Comm: syz.3.504 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:check_buffer+0x7d7/0x880 kernel/trace/ring_buffer.c:3485
Code: 74 24 18 e8 9b a0 3a 08 48 c7 c7 60 1e 34 96 be 04 00 00 00 e8 2a 3e 42 00 f0 ff 0d 83 12 b8 14 e9 a9 fe ff ff e8 b9 08 fd ff <0f> 0b e9 fa fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c d0 f8 ff
RSP: 0018:ffffc900033fee50 EFLAGS: 00010283
RAX: ffffffff817c0be7 RBX: 000000136ed2e108 RCX: 0000000000080000
RDX: ffffc9000ed7c000 RSI: 0000000000000549 RDI: 000000000000054a
RBP: 0000000000000002 R08: ffff888016dcf807 R09: 1ffff11002db9f00
R10: dffffc0000000000 R11: ffffed1002db9f01 R12: ffff888016dcf800
R13: dffffc0000000000 R14: ffffc900033ff010 R15: dffffc0000000000
FS:  00007f768eb956c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f768eb94ff8 CR3: 000000007a1b9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __rb_reserve_next+0x4d9/0xd00 kernel/trace/ring_buffer.c:3581
 rb_reserve_next_event kernel/trace/ring_buffer.c:3716 [inline]
 ring_buffer_lock_reserve+0xadd/0xed0 kernel/trace/ring_buffer.c:3775
 __trace_buffer_lock_reserve kernel/trace/trace.c:942 [inline]
 trace_buffer_lock_reserve+0x24/0x1a0 kernel/trace/trace.c:2643
 __blk_add_trace+0x3aa/0xd00 kernel/trace/blktrace.c:257
 blk_add_trace_rq+0x2c4/0x300 kernel/trace/blktrace.c:846
 trace_block_rq_issue include/trace/events/block.h:204 [inline]
 blk_mq_start_request+0x438/0x490 block/blk-mq.c:727
 scsi_queue_rq+0x1c5e/0x30f0 drivers/scsi/scsi_lib.c:1700
 blk_mq_dispatch_rq_list+0xa06/0x1c50 block/blk-mq.c:1387
 __blk_mq_sched_dispatch_requests+0x313/0x410 block/blk-mq-sched.c:333
 blk_mq_sched_dispatch_requests+0xf4/0x1b0 block/blk-mq-sched.c:366
 __blk_mq_run_hw_queue+0xbb/0x100 block/blk-mq.c:1512
 __blk_mq_delay_run_hw_queue+0x137/0x610 block/blk-mq.c:1589
 blk_mq_sched_insert_request+0x1eb/0x420 block/blk-mq-sched.c:485
 blk_execute_rq_nowait+0x173/0x1e0 block/blk-exec.c:62
 sg_common_write+0x9e0/0x1c10 drivers/scsi/sg.c:834
 sg_write+0xac0/0xe90 drivers/scsi/sg.c:708
 vfs_write+0x304/0xd70 fs/read_write.c:592
 ksys_write+0x153/0x260 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f769095e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f768eb95028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7690be6090 RCX: 00007f769095e159
RDX: 0000000000000038 RSI: 0000200000000180 RDI: 0000000000000004
RBP: 00007f76909f506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7690be6128 R14: 00007f7690be6090 R15: 00007ffdc1a868a8
 </TASK>