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:00007fa708d68038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa7081b5fa0 RCX: 00007fa707f8e929 RDX: 0000000000000081 RSI: 00002000000002c0 RDI: 0000000000000003 RBP: 00007fa708d68090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fa7081b5fa0 R15: 00007ffe0b8b07a8 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7169 at kernel/trace/blktrace.c:1078 blk_register_tracepoints+0x2b0/0x380 kernel/trace/blktrace.c:1078 Modules linked in: CPU: 1 UID: 0 PID: 7169 Comm: syz.0.213 Not tainted 6.16.0-rc2-syzkaller-00318-g739a6c93cc75 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:blk_register_tracepoints+0x2b0/0x380 kernel/trace/blktrace.c:1078 Code: c7 c7 80 6b 94 90 e8 7f 05 fa ff 31 ff 89 c3 89 c6 e8 c4 12 f8 ff 85 db 0f 85 ca 00 00 00 5b e9 76 17 f8 ff e8 71 17 f8 ff 90 <0f> 0b 90 e9 76 fd ff ff e8 63 17 f8 ff 90 0f 0b 90 e9 95 fd ff ff RSP: 0018:ffffc90003687b40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffff4 RCX: ffffffff81c36eb6 RDX: ffff8880322f5a00 RSI: ffffffff81c3713f RDI: 0000000000000005 RBP: 0000000000002000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff88802607a720 R13: 0000000000000000 R14: ffff88802607a720 R15: ffff88802607ac78 FS: 00007fa708d686c0(0000) GS:ffff888124861000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5a38d62e9c CR3: 000000007cb38000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_probe_ref kernel/trace/blktrace.c:337 [inline] blk_trace_setup_queue+0x270/0x310 kernel/trace/blktrace.c:1625 sysfs_blk_trace_attr_store+0x6a9/0x9d0 kernel/trace/blktrace.c:1819 dev_attr_store+0x55/0x80 drivers/base/core.c:2440 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x351/0x510 fs/kernfs/file.c:334 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x6c4/0x1150 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: 0033:0x7fa707f8e929 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:00007fa708d68038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa7081b5fa0 RCX: 00007fa707f8e929 RDX: 0000000000000081 RSI: 00002000000002c0 RDI: 0000000000000003 RBP: 00007fa708d68090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fa7081b5fa0 R15: 00007ffe0b8b07a8 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 ret 32: 48 c7 c1 a8 ff ff ff mov $0xffffffffffffffa8,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W