BUG: TASK stack guard page was hit at ffffc900032f7ff8 (stack is ffffc900032f8000..ffffc90003300000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 3139 Comm: syz.4.856 Not tainted syzkaller #0 4b5cec16b486fb71b4486bf07c6a811d89a3863f
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__schedule+0x1b0/0x1ea0 kernel/sched/core.c:7731
Code: 84 88 09 00 00 4d 8d b6 c0 f9 04 00 4c 89 64 24 18 4c 89 74 24 08 44 89 7c 24 44 0f 1f 44 00 00 31 ff 45 85 ff 40 0f 9f c7 fa <e8> 2b 0b d1 fb 65 ff 05 fc 9e 65 7a 4c 89 f7 e8 ac 70 01 00 65 ff
RSP: 0018:ffffc900032f8000 EFLAGS: 00010002
RAX: 0000000000000000 RBX: ffffc900032f8000 RCX: 1ffff9200065f014
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900032f8190 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888119a8cc00
R13: dffffc0000000000 R14: ffff8881f6e4f9c0 R15: 0000000000000001
FS:  00007f500c11f6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900032f7ff8 CR3: 0000000117306000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 preempt_schedule_irq+0xab/0x110 kernel/sched/core.c:8190
 raw_irqentry_exit_cond_resched+0x32/0x40 kernel/entry/common.c:311
 irqentry_exit+0x4a/0x60 kernel/entry/common.c:354
 sysvec_reschedule_ipi+0x72/0x80 arch/x86/kernel/smp.c:248
 asm_sysvec_reschedule_ipi+0x1f/0x30 arch/x86/include/asm/idtentry.h:707
RIP: 0010:__set_page_owner+0x11/0x600 mm/page_owner.c:333
Code: 00 00 00 00 0f 1f 44 00 00 b8 86 16 38 71 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 <48> 83 e4 e0 48 81 ec a0 00 00 00 41 89 d5 41 89 f4 49 89 fe 65 48
RSP: 0018:ffffc900032f8328 EFLAGS: 00000256
RAX: ffff888119a8cc00 RBX: ffffea0004fcb900 RCX: 0000000000000000
RDX: 0000000000192000 RSI: 0000000000000002 RDI: ffffea0004fcb900
RBP: ffffc900032f8350 R08: ffffea0004fcb937 R09: 0000000000000000
R10: ffffed1027e5c800 R11: fffff940009f9727 R12: 0000000000000004
R13: 1ffff9200065f070 R14: 0000000000000002 R15: 0000000000000000
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook+0x3b8/0x3f0 mm/page_alloc.c:1864
 prep_new_page+0x20/0x120 mm/page_alloc.c:1872
 get_page_from_freelist+0x496e/0x4a20 mm/page_alloc.c:3948
 __alloc_pages_noprof+0x35f/0x7e0 mm/page_alloc.c:5298
 __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
 stack_depot_save+0x12/0x20 lib/stackdepot.c:686
 save_stack+0x133/0x240 mm/page_owner.c:175
 __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:1864
 prep_new_page+0x20/0x120 mm/page_alloc.c:1872
 get_page_from_freelist+0x496e/0x4a20 mm/page_alloc.c:3948
 __alloc_pages_noprof+0x35f/0x7e0 mm/page_alloc.c:5298
 __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::kvec::Vec<rust_binder_main::allocation::FileEntry, kernel::alloc::allocator::Kmalloc> as core::ops::drop::Drop>::drop rust/kernel/alloc/kvec.rs:944 [inline]
 core::ptr::drop_in_place::<kernel::alloc::kvec::Vec<rust_binder_main::allocation::FileEntry, kernel::alloc::allocator::Kmalloc>>+0x1f7/0x300 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_main::allocation::FileList>+0x7e/0x220 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_main::allocation::AllocationInfo> 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_main::allocation::Allocation as core::ops::drop::Drop>::drop+0x2043/0x5360 drivers/android/binder/allocation.rs:284
 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+0x6c90/0x8370 drivers/android/binder/thread.rs:1232
 <rust_binder_main::transaction::Transaction>::new+0x390/0x2070 drivers/android/binder/transaction.rs:81
 <rust_binder_main::thread::Thread>::oneway_transaction_inner drivers/android/binder/thread.rs:1421 [inline]
 <<rust_binder_main::thread::Thread>::oneway_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>::oneway_transaction_inner>+0x2f5/0xb80 drivers/android/binder/thread.rs:1327
 <rust_binder_main::thread::Thread>::write+0x1988/0xa0f0 drivers/android/binder/thread.rs:1464
 <rust_binder_main::thread::Thread>::write_read drivers/android/binder/thread.rs:1614 [inline]
 <rust_binder_main::process::Process>::ioctl_write_read drivers/android/binder/process.rs:1612 [inline]
 <rust_binder_main::process::Process>::ioctl drivers/android/binder/process.rs:1677 [inline]
 rust_binder_main::rust_binder_ioctl+0x1019/0x55c0 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+0x135/0x1b0 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: 0033:0x7f500b19c799
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:00007f500c11f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f500b415fa0 RCX: 00007f500b19c799
RDX: 00002000000001c0 RSI: 00000000c0306201 RDI: 0000000000000004
RBP: 00007f500b232bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f500b416038 R14: 00007f500b415fa0 R15: 00007ffc92e0ca48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__schedule+0x1b0/0x1ea0 kernel/sched/core.c:7731
Code: 84 88 09 00 00 4d 8d b6 c0 f9 04 00 4c 89 64 24 18 4c 89 74 24 08 44 89 7c 24 44 0f 1f 44 00 00 31 ff 45 85 ff 40 0f 9f c7 fa <e8> 2b 0b d1 fb 65 ff 05 fc 9e 65 7a 4c 89 f7 e8 ac 70 01 00 65 ff
RSP: 0018:ffffc900032f8000 EFLAGS: 00010002
RAX: 0000000000000000 RBX: ffffc900032f8000 RCX: 1ffff9200065f014
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900032f8190 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888119a8cc00
R13: dffffc0000000000 R14: ffff8881f6e4f9c0 R15: 0000000000000001
FS:  00007f500c11f6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900032f7ff8 CR3: 0000000117306000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	84 88 09 00 00 4d    	test   %cl,0x4d000009(%rax)
   6:	8d b6 c0 f9 04 00    	lea    0x4f9c0(%rsi),%esi
   c:	4c 89 64 24 18       	mov    %r12,0x18(%rsp)
  11:	4c 89 74 24 08       	mov    %r14,0x8(%rsp)
  16:	44 89 7c 24 44       	mov    %r15d,0x44(%rsp)
  1b:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  20:	31 ff                	xor    %edi,%edi
  22:	45 85 ff             	test   %r15d,%r15d
  25:	40 0f 9f c7          	setg   %dil
  29:	fa                   	cli
* 2a:	e8 2b 0b d1 fb       	call   0xfbd10b5a <-- trapping instruction
  2f:	65 ff 05 fc 9e 65 7a 	incl   %gs:0x7a659efc(%rip)        # 0x7a659f32
  36:	4c 89 f7             	mov    %r14,%rdi
  39:	e8 ac 70 01 00       	call   0x170ea
  3e:	65                   	gs
  3f:	ff                   	.byte 0xff