R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff164226038 R14: 00007ff164225fa0 R15: 00007fffb5cb84c8 ------------[ cut here ]------------ ret WARNING: kernel/trace/blktrace.c:1342 at blk_register_tracepoints+0x382/0x440 kernel/trace/blktrace.c:1342, CPU#0: syz.3.2145/19591 Modules linked in: CPU: 0 UID: 0 PID: 19591 Comm: syz.3.2145 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:blk_register_tracepoints+0x382/0x440 kernel/trace/blktrace.c:1342 Code: 0f 0b 90 e9 28 fd ff ff e8 db 85 f7 ff 90 0f 0b 90 e9 47 fd ff ff e8 cd 85 f7 ff 90 0f 0b 90 e9 66 fd ff ff e8 bf 85 f7 ff 90 <0f> 0b 90 e9 85 fd ff ff e8 b1 85 f7 ff 90 0f 0b 90 e9 a4 fd ff ff RSP: 0018:ffffc90003117b00 EFLAGS: 00010283 RAX: 00000000000401b5 RBX: 00000000fffffff4 RCX: ffffc90005ab1000 RDX: 0000000000080000 RSI: ffffffff82142031 RDI: ffff888032c25dc0 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: 200000000040000d R13: ffff8880278fa540 R14: ffffc90003117da0 R15: 0000000000000001 FS: 00007ff164e5b6c0(0000) GS:ffff888123b52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffb2b4bc43c CR3: 00000000755ae000 CR4: 00000000003526f0 Call Trace: get_probe_ref kernel/trace/blktrace.c:492 [inline] blk_trace_setup_finalize+0x320/0x3a0 kernel/trace/blktrace.c:759 blk_trace_setup+0x254/0x440 kernel/trace/blktrace.c:795 blk_trace_ioctl+0x245/0x320 kernel/trace/blktrace.c:937 blkdev_ioctl+0x17c/0x6f0 block/ioctl.c:787 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:61 [inline] do_syscall_64+0x121/0x770 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff163f9e199 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:00007ff164e5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff164225fa0 RCX: 00007ff163f9e199 RDX: 00002000000000c0 RSI: 00000000c0481273 RDI: 0000000000000006 RBP: 00007ff1640358e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff164226038 R14: 00007ff164225fa0 R15: 00007fffb5cb84c8