BUG: TASK stack guard page was hit at ffffc9000ebd7ff8 (stack is ffffc9000ebd8000..ffffc9000ebe0000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 1129 Comm: syz.2.244 Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:get_stack_info_noinstr+0x1a/0x130 arch/x86/kernel/dumpstack_64.c:173
Code: b8 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 49 89 d6 49 89 f4 49 89 ff <e8> 21 01 00 00 b3 01 84 c0 75 0f 65 48 8b 05 33 ec 5c 7a 49 39 c4
RSP: 0018:ffffc9000ebd8000 EFLAGS: 00010286
RAX: ffff88811eebdf00 RBX: ffffc9000ebd8108 RCX: ffffc9000ebd8108
RDX: ffffc9000ebd80e8 RSI: ffff88811eebdf00 RDI: ffffc9000ebd80d8
RBP: ffffc9000ebd8028 R08: ffffc9000ebd8147 R09: 0000000000000000
R10: ffffc9000ebd80e8 R11: fffff52001d7b029 R12: ffff88811eebdf00
R13: ffffc9000ebd80d8 R14: ffffc9000ebd80e8 R15: ffffc9000ebd80d8
FS:  00007f23bd30d6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000ebd7ff8 CR3: 0000000121a1c000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 get_stack_info+0x3e/0x100 arch/x86/kernel/dumpstack_64.c:199
 __unwind_start+0x20b/0x410 arch/x86/kernel/unwind_frame.c:405
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xf2/0x170 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 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+0x37d/0x3b0 mm/page_alloc.c:1863
 prep_new_page+0x2d/0x190 mm/page_alloc.c:1871
 get_page_from_freelist+0x496e/0x4a20 mm/page_alloc.c:3948
 __alloc_pages_noprof+0x35f/0x7e0 mm/page_alloc.c:5315
 __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: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<kernel::sync::arc::ArcInner<rust_binder::process::NodeRefInfo>, kernel::alloc::allocator::Kmalloc> as core::ops::drop::Drop>::drop+0x594/0x850 rust/kernel/alloc/kbox.rs:492
 core::ptr::drop_in_place::<kernel::alloc::kbox::Box<kernel::sync::arc::ArcInner<rust_binder::process::NodeRefInfo>, 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]
 core::mem::drop::<kernel::alloc::kbox::Box<kernel::sync::arc::ArcInner<rust_binder::process::NodeRefInfo>, kernel::alloc::allocator::Kmalloc>> usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:961 [inline]
 <kernel::sync::arc::Arc<rust_binder::process::NodeRefInfo> as core::ops::drop::Drop>::drop rust/kernel/sync/arc.rs:404 [inline]
 core::ptr::drop_in_place::<kernel::sync::arc::Arc<rust_binder::process::NodeRefInfo>> usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:804 [inline]
 core::ptr::drop_in_place::<kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>> usr/local/rustup/toolchains/1.91.1-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:804 [inline]
 core::ptr::drop_in_place::<core::option::Option<kernel::list::arc::ListArc<rust_binder::process::NodeRefInfo, 15493408726748792400>>> 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::process::Process>::update_ref+0x1706/0x2660 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+0x127c/0xa7b0 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: 0033:0x7f23bc39ce59
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:00007f23bd30d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f23bc616090 RCX: 00007f23bc39ce59
RDX: 00002000000001c0 RSI: 00000000c0306201 RDI: 000000000000000b
RBP: 00007f23bc432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f23bc616128 R14: 00007f23bc616090 R15: 00007fff364a43d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:get_stack_info_noinstr+0x1a/0x130 arch/x86/kernel/dumpstack_64.c:173
Code: b8 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 49 89 d6 49 89 f4 49 89 ff <e8> 21 01 00 00 b3 01 84 c0 75 0f 65 48 8b 05 33 ec 5c 7a 49 39 c4
RSP: 0018:ffffc9000ebd8000 EFLAGS: 00010286
RAX: ffff88811eebdf00 RBX: ffffc9000ebd8108 RCX: ffffc9000ebd8108
RDX: ffffc9000ebd80e8 RSI: ffff88811eebdf00 RDI: ffffc9000ebd80d8
RBP: ffffc9000ebd8028 R08: ffffc9000ebd8147 R09: 0000000000000000
R10: ffffc9000ebd80e8 R11: fffff52001d7b029 R12: ffff88811eebdf00
R13: ffffc9000ebd80d8 R14: ffffc9000ebd80e8 R15: ffffc9000ebd80d8
FS:  00007f23bd30d6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000ebd7ff8 CR3: 0000000121a1c000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	b8 00 00 00 00       	mov    $0x0,%eax
   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:	90                   	nop
  10:	66 0f 1f 00          	nopw   (%rax)
  14:	55                   	push   %rbp
  15:	48 89 e5             	mov    %rsp,%rbp
  18:	41 57                	push   %r15
  1a:	41 56                	push   %r14
  1c:	41 55                	push   %r13
  1e:	41 54                	push   %r12
  20:	53                   	push   %rbx
  21:	49 89 d6             	mov    %rdx,%r14
  24:	49 89 f4             	mov    %rsi,%r12
  27:	49 89 ff             	mov    %rdi,%r15
* 2a:	e8 21 01 00 00       	call   0x150 <-- trapping instruction
  2f:	b3 01                	mov    $0x1,%bl
  31:	84 c0                	test   %al,%al
  33:	75 0f                	jne    0x44
  35:	65 48 8b 05 33 ec 5c 	mov    %gs:0x7a5cec33(%rip),%rax        # 0x7a5cec70
  3c:	7a
  3d:	49 39 c4             	cmp    %rax,%r12