R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe518e16038 R14: 00007fe518e15fa0 R15: 00007ffec16effb8 ------------[ cut here ]------------ ret WARNING: kernel/trace/blktrace.c:1354 at blk_register_tracepoints+0x3c8/0x440 kernel/trace/blktrace.c:1354, CPU#0: syz.1.64/6247 Modules linked in: CPU: 0 UID: 0 PID: 6247 Comm: syz.1.64 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:blk_register_tracepoints+0x3c8/0x440 kernel/trace/blktrace.c:1354 Code: 0f 0b 90 e9 c3 fd ff ff e8 15 df f7 ff 90 0f 0b 90 e9 e2 fd ff ff e8 07 df f7 ff 90 0f 0b 90 e9 01 fe ff ff e8 f9 de f7 ff 90 <0f> 0b 90 e9 20 fe ff ff e8 eb de f7 ff 90 0f 0b 90 e9 3f fe ff ff RSP: 0018:ffffc900050ffaf8 EFLAGS: 00010283 RAX: 000000000001db3d RBX: 00000000fffffff4 RCX: ffffc90005d69000 RDX: 0000000000080000 RSI: ffffffff82103247 RDI: ffff888033e33d00 RBP: 0000000000000044 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: 000000000000000f R13: ffff8880272a4c40 R14: ffffc900050ffd98 R15: 0000000000000001 FS: 00007fe519b096c0(0000) GS:ffff88812434e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000f000 CR3: 000000007d288000 CR4: 00000000003526f0 Call Trace: get_probe_ref kernel/trace/blktrace.c:493 [inline] blk_trace_setup_finalize+0x320/0x3a0 kernel/trace/blktrace.c:760 blk_trace_setup+0x254/0x440 kernel/trace/blktrace.c:796 blk_trace_ioctl+0x245/0x320 kernel/trace/blktrace.c:938 blkdev_ioctl+0x17c/0x6f0 block/ioctl.c:793 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+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe518b9c799 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:00007fe519b09028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe518e15fa0 RCX: 00007fe518b9c799 RDX: 0000200000000880 RSI: 00000000c0481273 RDI: 0000000000000008 RBP: 00007fe518c32bd9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe518e16038 R14: 00007fe518e15fa0 R15: 00007ffec16effb8