BUG: TASK stack guard page was hit at ffffc9000dbefff8 (stack is ffffc9000dbf0000..ffffc9000dbf8000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 540 Comm: syz.2.59 Not tainted syzkaller #0 29c6904b08c3b1e8518f4116e2e8016f6159917e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:check_region_inline mm/kasan/generic.c:171 [inline]
RIP: 0010:kasan_check_range+0x1b/0x2b0 mm/kasan/generic.c:189
Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 b0 01 48 85 f6 0f 84 c0 01 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 4c 8d 04 37 49 39 f8 0f 82 29 02 00 00 49 89 f9 49 c1 e9 2f 41
RSP: 0018:ffffc9000dbf0000 EFLAGS: 00010002
RAX: f3f3f3f8f1f1f101 RBX: ffff8881f6f4fa00 RCX: ffffffff85aa50b5
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8881f6f4fa00
RBP: ffffc9000dbf0020 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001b7e010 R12: 1ffff92001b7e008
R13: 1ffff110206cc982 R14: ffffc9000dbf0060 R15: dffffc0000000000
FS:  00007fc5e9e646c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000dbefff8 CR3: 0000000115908000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 __kasan_check_write+0x18/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1300 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
 _raw_spin_lock+0x85/0x120 kernel/locking/spinlock.c:154
 raw_spin_rq_lock_nested kernel/sched/core.c:692 [inline]
 raw_spin_rq_lock kernel/sched/sched.h:1623 [inline]
 __task_rq_lock+0x8e/0x270 kernel/sched/core.c:773
 ttwu_runnable kernel/sched/core.c:4349 [inline]
 try_to_wake_up+0x148/0x1fa0 kernel/sched/core.c:4837
 swake_up_locked kernel/sched/swait.c:29 [inline]
 swake_up_one+0x75/0x160 kernel/sched/swait.c:52
 swake_up_one_online+0x4d/0xf0 kernel/rcu/tree.c:1096
 __rcu_report_exp_rnp+0x1a9/0x1b0 kernel/rcu/tree_exp.h:205
 rcu_report_exp_cpu_mult+0x123/0x2c0 kernel/rcu/tree_exp.h:254
 rcu_report_exp_rdp kernel/rcu/tree_exp.h:263 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x1da/0xb10 kernel/rcu/tree_plugin.h:521
 rcu_preempt_deferred_qs kernel/rcu/tree_plugin.h:622 [inline]
 rcu_note_context_switch+0x1b4/0x1210 kernel/rcu/tree_plugin.h:356
 __schedule+0x1de/0x2100 kernel/sched/core.c:7747
 preempt_schedule_common+0x2d/0x60 kernel/sched/core.c:8076
 preempt_schedule+0xc5/0xe0 kernel/sched/core.c:8100
 preempt_schedule_thunk+0x1a/0x40 arch/x86/entry/thunk.S:12
 is_module_text_address+0xe4/0x120 kernel/module/main.c:3829
 kernel_text_address+0x9d/0xe0 kernel/extable.c:119
 __kernel_text_address+0x11/0x40 kernel/extable.c:79
 unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_frame.c:19
 arch_stack_walk+0x10a/0x170 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:49 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
 kasan_save_free_info+0x4a/0x60 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:249 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:266
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2445 [inline]
 slab_free mm/slub.c:4714 [inline]
 kfree+0x158/0x440 mm/slub.c:4875
 krealloc_noprof+0xfa/0x130 mm/slab_common.c:-1
 <kernel::alloc::allocator::ReallocFunc>::call rust/kernel/alloc/allocator.rs:102 [inline]
 <kernel::alloc::allocator::Kmalloc as kernel::alloc::Allocator>::realloc rust/kernel/alloc/allocator.rs:141 [inline]
 <kernel::alloc::allocator::Kmalloc as kernel::alloc::Allocator>::free rust/kernel/alloc.rs:214 [inline]
 <kernel::alloc::kbox::Box<core::mem::maybe_uninit::MaybeUninit<kernel::rbtree::Node<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>>, kernel::alloc::allocator::Kmalloc> as core::ops::drop::Drop>::drop rust/kernel/alloc/kbox.rs:492 [inline]
 core::ptr::drop_in_place::<kernel::alloc::kbox::Box<core::mem::maybe_uninit::MaybeUninit<kernel::rbtree::Node<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>>, kernel::alloc::allocator::Kmalloc>>+0x114/0x360 usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:804
 <kernel::alloc::kbox::Box<kernel::rbtree::Node<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>, kernel::alloc::allocator::Kmalloc>>::into_inner rust/kernel/alloc/kbox.rs:321 [inline]
 <kernel::rbtree::OccupiedEntry<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>>::remove rust/kernel/rbtree.rs:1251 [inline]
 <<kernel::rbtree::OccupiedEntry<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>>::remove as core::ops::function::FnOnce<(kernel::rbtree::OccupiedEntry<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>,)>>::call_once usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:250 [inline]
 <core::option::Option<kernel::rbtree::OccupiedEntry<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>>>::map::<kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>, <kernel::rbtree::OccupiedEntry<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>>::remove> usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/option.rs:1159 [inline]
 <kernel::rbtree::RBTree<u32, kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>>::remove rust/kernel/rbtree.rs:410 [inline]
 <rust_binder::process::Process>::update_ref+0x16c0/0x2660 drivers/android/binder/process.rs:975
 <rust_binder::allocation::AllocationView>::cleanup_object drivers/android/binder/allocation.rs:453 [inline]
 <rust_binder::allocation::Allocation as core::ops::drop::Drop>::drop+0x1715/0x5dd0 drivers/android/binder/allocation.rs:263
 core::ptr::drop_in_place::<rust_binder::allocation::Allocation>+0x1a/0xf0 usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:804
 core::ptr::drop_in_place::<rust_binder::allocation::NewAllocation> usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:804 [inline]
 <rust_binder::thread::Thread>::copy_transaction_data+0x7c54/0x9460 drivers/android/binder/thread.rs:1233
 <rust_binder::transaction::Transaction>::new+0x3d0/0x28d0 drivers/android/binder/transaction.rs:110
 <rust_binder::thread::Thread>::transaction_inner drivers/android/binder/thread.rs:1410 [inline]
 <rust_binder::thread::Thread>::transaction+0x1b97/0x3e50 drivers/android/binder/thread.rs:1370
 <rust_binder::thread::Thread>::write+0x1271/0xa690 drivers/android/binder/thread.rs:1532
 <rust_binder::thread::Thread>::write_read drivers/android/binder/thread.rs:1668 [inline]
 <rust_binder::process::Process>::ioctl_write_read drivers/android/binder/process.rs:1620 [inline]
 <rust_binder::process::Process>::ioctl drivers/android/binder/process.rs:1685 [inline]
 rust_binder::rust_binder_ioctl+0x1192/0x5c20 drivers/android/binder/rust_binder_main.rs:462
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
 __x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
 x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fc5e8f9ce59
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:00007fc5e9e64028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc5e9215fa0 RCX: 00007fc5e8f9ce59
RDX: 00002000000001c0 RSI: 00000000c0306201 RDI: 0000000000000007
RBP: 00007fc5e9032d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5e9216038 R14: 00007fc5e9215fa0 R15: 00007ffdf3905578
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:check_region_inline mm/kasan/generic.c:171 [inline]
RIP: 0010:kasan_check_range+0x1b/0x2b0 mm/kasan/generic.c:189
Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 b0 01 48 85 f6 0f 84 c0 01 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 4c 8d 04 37 49 39 f8 0f 82 29 02 00 00 49 89 f9 49 c1 e9 2f 41
RSP: 0018:ffffc9000dbf0000 EFLAGS: 00010002
RAX: f3f3f3f8f1f1f101 RBX: ffff8881f6f4fa00 RCX: ffffffff85aa50b5
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8881f6f4fa00
RBP: ffffc9000dbf0020 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52001b7e010 R12: 1ffff92001b7e008
R13: 1ffff110206cc982 R14: ffffc9000dbf0060 R15: dffffc0000000000
FS:  00007fc5e9e646c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000dbefff8 CR3: 0000000115908000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	66 0f 1f 00          	nopw   (%rax)
  13:	b0 01                	mov    $0x1,%al
  15:	48 85 f6             	test   %rsi,%rsi
  18:	0f 84 c0 01 00 00    	je     0x1de
  1e:	55                   	push   %rbp
  1f:	48 89 e5             	mov    %rsp,%rbp
  22:	41 57                	push   %r15
  24:	41 56                	push   %r14
  26:	41 55                	push   %r13
  28:	41 54                	push   %r12
* 2a:	53                   	push   %rbx <-- trapping instruction
  2b:	4c 8d 04 37          	lea    (%rdi,%rsi,1),%r8
  2f:	49 39 f8             	cmp    %rdi,%r8
  32:	0f 82 29 02 00 00    	jb     0x261
  38:	49 89 f9             	mov    %rdi,%r9
  3b:	49 c1 e9 2f          	shr    $0x2f,%r9
  3f:	41                   	rex.B