RDX: 0000200000000140 RSI: 00000000c0481273 RDI: 0000000000000006 RBP: 00007fc055e11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc055fb6038 R14: 00007fc055fb5fa0 R15: 00007ffc8a1d6298 ------------[ cut here ]------------ WARNING: kernel/trace/blktrace.c:1354 at blk_register_tracepoints+0x3d1/0x430 kernel/trace/blktrace.c:1354, CPU#0: syz.0.17/6481 Modules linked in: CPU: 0 UID: 0 PID: 6481 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:blk_register_tracepoints+0x3d1/0x430 kernel/trace/blktrace.c:1354 Code: 0f 0b 90 e9 e7 fd ff ff e8 1c b8 f7 ff 90 0f 0b 90 e9 06 fe ff ff e8 0e b8 f7 ff 90 0f 0b 90 e9 25 fe ff ff e8 00 b8 f7 ff 90 <0f> 0b 90 e9 44 fe ff ff e8 f2 b7 f7 ff 90 0f 0b 90 e9 63 fe ff ff RSP: 0018:ffffc90003297b20 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffff4 RCX: ffffffff81c6a4c5 RDX: ffff8880309d1e80 RSI: ffffffff81c6a680 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000000 R12: 0000000000000001 R13: ffffc90003297da8 R14: ffff888026629c98 R15: 0000000000000001 FS: 00007fc056b5b6c0(0000) GS:ffff8881248f8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc055d746a0 CR3: 00000000336a0000 CR4: 00000000003526f0 Call Trace: get_probe_ref kernel/trace/blktrace.c:493 [inline] blk_trace_setup_finalize+0x336/0x3d0 kernel/trace/blktrace.c:760 blk_trace_setup+0x200/0x3b0 kernel/trace/blktrace.c:795 blk_trace_ioctl+0x2ce/0x300 kernel/trace/blktrace.c:935 blkdev_ioctl+0x1fa/0x6e0 block/ioctl.c:781 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 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: 0033:0x7fc055d8ebe9 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:00007fc056b5b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc055fb5fa0 RCX: 00007fc055d8ebe9 RDX: 0000200000000140 RSI: 00000000c0481273 RDI: 0000000000000006 RBP: 00007fc055e11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc055fb6038 R14: 00007fc055fb5fa0 R15: 00007ffc8a1d6298