BUG: TASK stack guard page was hit at ffffc9001099fff8 (stack is ffffc900109a0000..ffffc900109a8000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 1791 Comm: syz.3.422 Not tainted syzkaller #0 e538f3f6a543b135812147031d083fd1f2699041
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:stack_trace_save+0xa5/0x100 kernel/stacktrace.c:122
Code: 7c 24 20 89 74 24 28 ff c2 89 54 24 2c 48 c7 44 24 30 00 00 00 00 65 48 8b 15 27 20 8f 7e 48 c7 c7 90 cb 75 81 48 89 c6 31 c9 <e8> c6 5f c8 ff 8b 44 24 30 66 42 c7 44 33 04 f8 f8 42 c6 44 33 06
RSP: 0018:ffffc900109a0000 EFLAGS: 00010246
RAX: ffffc900109a0020 RBX: 1ffff92002134000 RCX: 0000000000000000
RDX: ffff888110388000 RSI: ffffc900109a0020 RDI: ffffffff8175cb90
RBP: ffffc900109a0090 R08: ffffc900109a015f R09: 0000000000000000
R10: ffffc900109a00e0 R11: fffff5200213402c R12: dffffc0000000000
R13: 1ffff110220710c0 R14: dffffc0000000000 R15: 1ffff92002134018
FS:  00007fdc97a206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9001099fff8 CR3: 000000013ae9e000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 save_stack+0x125/0x240 mm/page_owner.c:174
 __set_page_owner+0x8e/0x600 mm/page_owner.c:338
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook+0x3b8/0x3f0 mm/page_alloc.c:1826
 prep_new_page+0x1c/0x110 mm/page_alloc.c:1834
 get_page_from_freelist+0x496e/0x4a20 mm/page_alloc.c:3914
 __alloc_pages_noprof+0x35f/0x7e0 mm/page_alloc.c:5264
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_pages_noprof include/linux/gfp.h:313 [inline]
 stack_depot_save_flags+0x672/0x800 lib/stackdepot.c:627
 kasan_save_stack mm/kasan/common.c:50 [inline]
 kasan_save_track+0x4f/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:4871
 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+0xc6/0x200 rust/kernel/alloc.rs:214
 <kernel::alloc::kbox::Box<core::mem::maybe_uninit::MaybeUninit<kernel::rbtree::Node<usize, u32>>, 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<usize, u32>>, kernel::alloc::allocator::Kmalloc>> usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:804 [inline]
 <kernel::alloc::kbox::Box<kernel::rbtree::Node<usize, u32>, kernel::alloc::allocator::Kmalloc>>::into_inner rust/kernel/alloc/kbox.rs:321 [inline]
 <kernel::rbtree::OccupiedEntry<usize, u32>>::remove rust/kernel/rbtree.rs:1251 [inline]
 <<kernel::rbtree::OccupiedEntry<usize, u32>>::remove as core::ops::function::FnOnce<(kernel::rbtree::OccupiedEntry<usize, u32>,)>>::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<usize, u32>>>::map::<u32, <kernel::rbtree::OccupiedEntry<usize, u32>>::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<usize, u32>>::remove rust/kernel/rbtree.rs:410 [inline]
 <rust_binder_main::process::Process>::update_ref+0x152c/0x22a0 drivers/android/binder/process.rs:972
 <rust_binder_main::allocation::AllocationView>::cleanup_object drivers/android/binder/allocation.rs:445 [inline]
 <rust_binder_main::allocation::Allocation as core::ops::drop::Drop>::drop+0x1741/0x56b0 drivers/android/binder/allocation.rs:258
 core::ptr::drop_in_place::<rust_binder_main::allocation::Allocation>+0x26/0x1a0 usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:804
 <rust_binder_main::thread::Thread>::copy_transaction_data+0x4009/0x57b0 drivers/android/binder/thread.rs:1230
 <rust_binder_main::transaction::Transaction>::new+0x3a2/0x2150 drivers/android/binder/transaction.rs:81
 <rust_binder_main::thread::Thread>::transaction_inner drivers/android/binder/thread.rs:1350 [inline]
 <<rust_binder_main::thread::Thread>::transaction_inner as core::ops::function::FnOnce<(&kernel::sync::arc::Arc<rust_binder_main::thread::Thread>, &rust_binder_main::defs::BinderTransactionDataSg)>>::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]
 <rust_binder_main::thread::Thread>::transaction::<<rust_binder_main::thread::Thread>::transaction_inner>+0x8c4/0x1110 drivers/android/binder/thread.rs:1325
 <rust_binder_main::thread::Thread>::write+0x17dc/0xa690 drivers/android/binder/thread.rs:1464
 <rust_binder_main::thread::Thread>::write_read drivers/android/binder/thread.rs:1612 [inline]
 <rust_binder_main::process::Process>::ioctl_write_read drivers/android/binder/process.rs:1609 [inline]
 <rust_binder_main::process::Process>::ioctl drivers/android/binder/process.rs:1674 [inline]
 rust_binder_main::rust_binder_ioctl+0x1077/0x5da0 drivers/android/binder/rust_binder_main.rs:449
 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: 0033:0x7fdc96b9aeb9
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:00007fdc97a20028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fdc96e15fa0 RCX: 00007fdc96b9aeb9
RDX: 00002000000001c0 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 00007fdc96c08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdc96e16038 R14: 00007fdc96e15fa0 R15: 00007fff4518de18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:stack_trace_save+0xa5/0x100 kernel/stacktrace.c:122
Code: 7c 24 20 89 74 24 28 ff c2 89 54 24 2c 48 c7 44 24 30 00 00 00 00 65 48 8b 15 27 20 8f 7e 48 c7 c7 90 cb 75 81 48 89 c6 31 c9 <e8> c6 5f c8 ff 8b 44 24 30 66 42 c7 44 33 04 f8 f8 42 c6 44 33 06
RSP: 0018:ffffc900109a0000 EFLAGS: 00010246
RAX: ffffc900109a0020 RBX: 1ffff92002134000 RCX: 0000000000000000
RDX: ffff888110388000 RSI: ffffc900109a0020 RDI: ffffffff8175cb90
RBP: ffffc900109a0090 R08: ffffc900109a015f R09: 0000000000000000
R10: ffffc900109a00e0 R11: fffff5200213402c R12: dffffc0000000000
R13: 1ffff110220710c0 R14: dffffc0000000000 R15: 1ffff92002134018
FS:  00007fdc97a206c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9001099fff8 CR3: 000000013ae9e000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	7c 24                	jl     0x26
   2:	20 89 74 24 28 ff    	and    %cl,-0xd7db8c(%rcx)
   8:	c2 89 54             	ret    $0x5489
   b:	24 2c                	and    $0x2c,%al
   d:	48 c7 44 24 30 00 00 	movq   $0x0,0x30(%rsp)
  14:	00 00
  16:	65 48 8b 15 27 20 8f 	mov    %gs:0x7e8f2027(%rip),%rdx        # 0x7e8f2045
  1d:	7e
  1e:	48 c7 c7 90 cb 75 81 	mov    $0xffffffff8175cb90,%rdi
  25:	48 89 c6             	mov    %rax,%rsi
  28:	31 c9                	xor    %ecx,%ecx
* 2a:	e8 c6 5f c8 ff       	call   0xffc85ff5 <-- trapping instruction
  2f:	8b 44 24 30          	mov    0x30(%rsp),%eax
  33:	66 42 c7 44 33 04 f8 	movw   $0xf8f8,0x4(%rbx,%r14,1)
  3a:	f8
  3b:	42                   	rex.X
  3c:	c6                   	.byte 0xc6
  3d:	44 33 06             	xor    (%rsi),%r8d