RBP: 00007f5164811e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f51649c5fa0 R14: 00007f51649c5fa0 R15: 0000000000000003 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6027 at kernel/trace/blktrace.c:1088 blk_register_tracepoints+0x374/0x380 kernel/trace/blktrace.c:1088 Modules linked in: CPU: 1 UID: 0 PID: 6027 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:blk_register_tracepoints+0x374/0x380 kernel/trace/blktrace.c:1088 Code: 0f 0b 90 e9 cb fe ff ff e8 a9 ff f7 ff 90 0f 0b 90 e9 ea fe ff ff e8 9b ff f7 ff 90 0f 0b 90 e9 09 ff ff ff e8 8d ff f7 ff 90 <0f> 0b 90 5b e9 83 ff f7 ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003627b40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffff4 RCX: ffffffff81c30b0c RDX: ffff888045755a00 RSI: ffffffff81c30be3 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000000 R12: ffff8880265293a0 R13: 0000000000000000 R14: ffff8880265293a0 R15: ffff888026529900 FS: 0000555563050500(0000) GS:ffff8881247bd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0074ee000 CR3: 000000002bba6000 CR4: 00000000003526f0 Call Trace: get_probe_ref kernel/trace/blktrace.c:337 [inline] blk_trace_setup_queue+0x270/0x310 kernel/trace/blktrace.c:1607 sysfs_blk_trace_attr_store+0x7b0/0x9d0 kernel/trace/blktrace.c:1793 dev_attr_store+0x58/0x80 drivers/base/core.c:2437 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x354/0x510 fs/kernfs/file.c:334 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x7d0/0x11d0 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f516478ebe9 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:00007fffe03cf178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f51649c5fa0 RCX: 00007f516478ebe9 RDX: 0000000000000081 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 00007f5164811e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f51649c5fa0 R14: 00007f51649c5fa0 R15: 0000000000000003