BUG: TASK stack guard page was hit at ffffc9000b757ff8 (stack is ffffc9000b758000..ffffc9000b760000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 9177 Comm: syz.9.2819 Not tainted syzkaller #0 a1c00a42264c961a6d41d2b1b5aa50459b7aff2e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:update_se+0x8/0x410 kernel/sched/fair.c:1223
Code: 0c 00 00 e8 1a 00 00 00 5b 5d c3 cc cc cc cc cc 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 ec 18 49 89 f6 49 89 fc 48 b9 00 00 00 00 00
RSP: 0018:ffffc9000b758000 EFLAGS: 00010086
RAX: ffff8881f6e4fa00 RBX: 1ffff920016eb014 RCX: dffffc0000000000
RDX: 1ffff920016eb03c RSI: ffff88810c652000 RDI: ffff8881f6e4fa00
RBP: ffffc9000b758010 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520016eb040 R12: dffffc0000000000
R13: ffff8881f6e4fc50 R14: ffff88810c652000 R15: ffff8881f6e4fd38
FS:  00007f736de556c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000b757ff8 CR3: 0000000116726000 CR4: 00000000003526b0
DR0: 0000000000000101 DR1: 0000000000000007 DR2: 000000000000000f
DR3: 0000000000000006 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 update_curr+0xf8/0x9e0 kernel/sched/fair.c:1291
 pick_task_fair+0xc8/0x4e0 kernel/sched/fair.c:9136
 pick_next_task_fair+0xb1/0x770 kernel/sched/fair.c:9163
 __pick_next_task kernel/sched/core.c:6687 [inline]
 pick_next_task kernel/sched/core.c:7207 [inline]
 __schedule+0x753/0x2100 kernel/sched/core.c:7820
 preempt_schedule_irq+0xab/0x110 kernel/sched/core.c:8220
 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:zonelist_zone include/linux/mmzone.h:1698 [inline]
RIP: 0010:get_page_from_freelist+0x23f/0x4a20 mm/page_alloc.c:3814
Code: 48 89 df e8 63 b2 06 00 48 8b 0b 48 89 c8 48 c1 e8 03 42 80 3c 20 00 74 0e 48 89 cf 48 89 cb e8 47 b2 06 00 48 89 d9 48 8b 01 <48> 89 44 24 20 48 85 c0 74 9c 8b 44 24 44 83 e0 03 48 89 84 24 98
RSP: 0018:ffffc9000b7585c0 EFLAGS: 00000246
RAX: ffffffff87e4c980 RBX: ffffc9000b758940 RCX: ffffffff87e4d680
RDX: 0000000000000001 RSI: 0000000000000002 RDI: 1ffff920016eb128
RBP: ffffc9000b758890 R08: 00000000000000b0 R09: 1ffffffff0ed59b0
R10: dffffc0000000000 R11: fffffbfff0ed59b1 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffc9000b75894c R15: ffffc9000b758938
 __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+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: 0033:0x7f736cf9ce59
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:00007f736de55028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f736d215fa0 RCX: 00007f736cf9ce59
RDX: 0000200000000100 RSI: 00000000c0306201 RDI: 0000000000000007
RBP: 00007f736d032d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f736d216038 R14: 00007f736d215fa0 R15: 00007ffeffb670e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:update_se+0x8/0x410 kernel/sched/fair.c:1223
Code: 0c 00 00 e8 1a 00 00 00 5b 5d c3 cc cc cc cc cc 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 83 ec 18 49 89 f6 49 89 fc 48 b9 00 00 00 00 00
RSP: 0018:ffffc9000b758000 EFLAGS: 00010086
RAX: ffff8881f6e4fa00 RBX: 1ffff920016eb014 RCX: dffffc0000000000
RDX: 1ffff920016eb03c RSI: ffff88810c652000 RDI: ffff8881f6e4fa00
RBP: ffffc9000b758010 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520016eb040 R12: dffffc0000000000
R13: ffff8881f6e4fc50 R14: ffff88810c652000 R15: ffff8881f6e4fd38
FS:  00007f736de556c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000b757ff8 CR3: 0000000116726000 CR4: 00000000003526b0
DR0: 0000000000000101 DR1: 0000000000000007 DR2: 000000000000000f
DR3: 0000000000000006 DR6: 00000000ffff0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	0c 00                	or     $0x0,%al
   2:	00 e8                	add    %ch,%al
   4:	1a 00                	sbb    (%rax),%al
   6:	00 00                	add    %al,(%rax)
   8:	5b                   	pop    %rbx
   9:	5d                   	pop    %rbp
   a:	c3                   	ret
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	cc                   	int3
   f:	cc                   	int3
  10:	66 90                	xchg   %ax,%ax
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	55                   	push   %rbp
  23:	48 89 e5             	mov    %rsp,%rbp
  26:	41 57                	push   %r15
  28:	41 56                	push   %r14
* 2a:	41 55                	push   %r13 <-- trapping instruction
  2c:	41 54                	push   %r12
  2e:	53                   	push   %rbx
  2f:	48 83 ec 18          	sub    $0x18,%rsp
  33:	49 89 f6             	mov    %rsi,%r14
  36:	49 89 fc             	mov    %rdi,%r12
  39:	48                   	rex.W
  3a:	b9 00 00 00 00       	mov    $0x0,%ecx