------------[ cut here ]------------ WARNING: kernel/trace/blktrace.c:368 at __blk_add_trace+0x79c/0x8d0 kernel/trace/blktrace.c:367, CPU#1: syz.8.3048/20634 Modules linked in: CPU: 1 UID: 0 PID: 20634 Comm: syz.8.3048 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__blk_add_trace+0x79c/0x8d0 kernel/trace/blktrace.c:367 Code: ff 4d 85 e4 75 4f e8 d3 0d f8 ff e9 fb fd ff ff e8 c9 0d f8 ff e9 ec fd ff ff e8 bf 0d f8 ff e9 d8 fd ff ff e8 b5 0d f8 ff 90 <0f> 0b 90 e9 ca fd ff ff e8 a7 0d f8 ff 48 8b 7c 24 30 e8 cd 51 00 RSP: 0018:ffffc9000430f520 EFLAGS: 00010283 RAX: ffffffff81c8c3fb RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9001b2d5000 RSI: 000000000000b518 RDI: 000000000000b519 RBP: ffffc9000430f628 R08: ffff88802fa21e40 R09: 0000000000000009 R10: 0000000000000011 R11: 0000000000000002 R12: 000000008000ffff R13: ffff888079290080 R14: 00000000801a0001 R15: 0000000000000001 FS: 00007f5c423726c0(0000) GS:ffff8881259a3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5c417b12f8 CR3: 00000000637ee000 CR4: 00000000003526f0 Call Trace: blk_add_trace_bio+0x2ab/0x2f0 kernel/trace/blktrace.c:1056 __do_trace_block_bio_queue include/trace/events/block.h:391 [inline] trace_block_bio_queue include/trace/events/block.h:391 [inline] submit_bio_noacct_nocheck+0x9e2/0xa50 block/blk-core.c:735 __blkdev_direct_IO+0x915/0xf90 block/fops.c:264 blkdev_direct_IO+0x1261/0x17e0 block/fops.c:441 blkdev_direct_write+0x7c/0x140 block/fops.c:726 blkdev_write_iter+0x547/0x710 block/fops.c:794 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5c4158efc9 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:00007f5c42372038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f5c417e6090 RCX: 00007f5c4158efc9 RDX: 00000000fffffe38 RSI: 0000200000001c00 RDI: 0000000000000008 RBP: 00007f5c41611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5c417e6128 R14: 00007f5c417e6090 R15: 00007ffe5ff0e808