R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2a63e26038 R14: 00007f2a63e25fa0 R15: 00007ffee069be48 ------------[ cut here ]------------ ret WARNING: kernel/trace/blktrace.c:1334 at blk_register_tracepoints kernel/trace/blktrace.c:1334 [inline], CPU#0: syz.7.1579/12113 WARNING: kernel/trace/blktrace.c:1334 at get_probe_ref+0x385/0x470 kernel/trace/blktrace.c:492, CPU#0: syz.7.1579/12113 Modules linked in: CPU: 0 UID: 0 PID: 12113 Comm: syz.7.1579 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 RIP: 0010:blk_register_tracepoints kernel/trace/blktrace.c:1334 [inline] RIP: 0010:get_probe_ref+0x385/0x470 kernel/trace/blktrace.c:492 Code: 00 01 00 00 e8 2c 31 f7 ff 48 c7 c7 20 ce dc 8e 5b e9 bf 36 15 0a e8 1a 31 f7 ff 90 0f 0b 90 e9 e8 fc ff ff e8 0c 31 f7 ff 90 <0f> 0b 90 e9 07 fd ff ff e8 fe 30 f7 ff 90 0f 0b 90 e9 26 fd ff ff RSP: 0018:ffffc900051c7850 EFLAGS: 00010287 RAX: ffffffff81d08a14 RBX: 00000000fffffff4 RCX: 0000000000080000 RDX: ffffc90005d29000 RSI: 000000000000fe05 RDI: 000000000000fe06 RBP: ffffc900051c7a90 R08: ffffc900051c7787 R09: 1ffff92000a38ef0 R10: dffffc0000000000 R11: fffff52000a38ef1 R12: 1ffff92000a38f14 R13: ffff88804ce83eac R14: dffffc0000000000 R15: 0000000000400140 FS: 00007f2a64ae66c0(0000) GS:ffff888124cd8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005613a5958bd8 CR3: 000000005fc4e000 CR4: 0000000000350ef0 Call Trace: blk_trace_setup+0x379/0x520 kernel/trace/blktrace.c:795 blk_trace_ioctl+0x37f/0x910 kernel/trace/blktrace.c:937 blkdev_ioctl+0x4c1/0x740 block/ioctl.c:787 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2a63b9e159 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:00007f2a64ae6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2a63e25fa0 RCX: 00007f2a63b9e159 RDX: 0000200000000440 RSI: 00000000c0481273 RDI: 0000000000000003 RBP: 00007f2a63c35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2a63e26038 R14: 00007f2a63e25fa0 R15: 00007ffee069be48