KASAN: slab-use-after-free Write in binder_add_device

==================================================================
BUG: KASAN: slab-use-after-free in hlist_add_head include/linux/list.h:1026 [inline]
BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0 drivers/android/binder.c:6932
Write of size 8 at addr ffff8880356ba008 by task syz-executor/5837

CPU: 0 UID: 0 PID: 5837 Comm: syz-executor Not tainted 6.13.0-syzkaller-09338-g05dbaf8dd8bf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:489
 kasan_report+0x143/0x180 mm/kasan/report.c:602
 hlist_add_head include/linux/list.h:1026 [inline]
 binder_add_device+0x5f/0xa0 drivers/android/binder.c:6932
 binderfs_binder_device_create+0x7bf/0x9c0 drivers/android/binderfs.c:210
 binderfs_fill_super+0x944/0xd90 drivers/android/binderfs.c:729
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb7/0x140 fs/super.c:1299
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3560
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f988e3874ba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd13385ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f988e401de3 RCX: 00007f988e3874ba
RDX: 00007f988e40eb3f RSI: 00007f988e401de3 RDI: 00007f988e40eb3f
RBP: 00007f988e401fdb R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f988e3e41c8
R13: 00007f988e3e41a8 R14: 0000000000000009 R15: 0000000000000000
 </TASK>

Allocated by task 5831:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4325
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 binderfs_binder_device_create+0x16c/0x9c0 drivers/android/binderfs.c:147
 binderfs_fill_super+0x944/0xd90 drivers/android/binderfs.c:729
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb7/0x140 fs/super.c:1299
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3560
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5831:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4609 [inline]
 kfree+0x196/0x430 mm/slub.c:4757
 evict+0x4e8/0x9a0 fs/inode.c:796
 __dentry_kill+0x20d/0x630 fs/dcache.c:625
 shrink_kill+0xa9/0x2c0 fs/dcache.c:1070
 shrink_dentry_list+0x2c0/0x5b0 fs/dcache.c:1097
 shrink_dcache_parent+0xcb/0x3b0
 do_one_tree+0x23/0xe0 fs/dcache.c:1560
 shrink_dcache_for_umount+0xb4/0x180 fs/dcache.c:1577
 generic_shutdown_super+0x6a/0x2d0 fs/super.c:620
 kill_anon_super fs/super.c:1237 [inline]
 kill_litter_super+0x76/0xb0 fs/super.c:1247
 binderfs_kill_super+0x44/0x90 drivers/android/binderfs.c:791
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xa2a/0x28e0 kernel/exit.c:938
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 get_signal+0x16b2/0x1750 kernel/signal.c:3036
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880356ba000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
 freed 512-byte region [ffff8880356ba000, ffff8880356ba200)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x356b8
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000002 ffffea0000d5ae01 ffffffffffffffff 0000000000000000
head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5162, tgid 5162 (mount), ts 20730598701, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab+0x8f/0x3a0 mm/slub.c:2587
 new_slab mm/slub.c:2640 [inline]
 ___slab_alloc+0xc27/0x14a0 mm/slub.c:3826
 __slab_alloc+0x58/0xa0 mm/slub.c:3916
 __slab_alloc_node mm/slub.c:3991 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4320
 kmalloc_noprof include/linux/slab.h:901 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 shmem_fill_super+0xcf/0x1110 mm/shmem.c:4986
 vfs_get_super fs/super.c:1280 [inline]
 get_tree_nodev+0xb7/0x140 fs/super.c:1299
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3560
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8880356b9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880356b9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8880356ba000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff8880356ba080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880356ba100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================


Warning: Permanently added '10.128.10.34' (ED25519) to the list of known hosts.
2025/01/29 19:41:43 ignoring optional flag "sandboxArg"="0"
2025/01/29 19:41:44 parsed 1 programs
[   67.867437][ T5823] cgroup: Unknown subsys name 'net'
[   67.965383][ T5823] cgroup: Unknown subsys name 'cpuset'
[   67.973933][ T5823] cgroup: Unknown subsys name 'rlimit'
[   69.279211][ T5823] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   71.835609][ T1298] ieee802154 phy0 wpan0: encryption failed: -22
[   71.843887][ T1298] ieee802154 phy1 wpan1: encryption failed: -22
[   71.910961][ T5831] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[   72.307227][ T5837] ==================================================================
[   72.315451][ T5837] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[   72.323197][ T5837] Write of size 8 at addr ffff8880356ba008 by task syz-executor/5837
[   72.331442][ T5837] 
[   72.333784][ T5837] CPU: 0 UID: 0 PID: 5837 Comm: syz-executor Not tainted 6.13.0-syzkaller-09338-g05dbaf8dd8bf #0
[   72.333801][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   72.333813][ T5837] Call Trace:
[   72.333821][ T5837]  <TASK>
[   72.333827][ T5837]  dump_stack_lvl+0x241/0x360
[   72.333845][ T5837]  ? __pfx_dump_stack_lvl+0x10/0x10
[   72.333857][ T5837]  ? __pfx__printk+0x10/0x10
[   72.333875][ T5837]  ? _printk+0xd5/0x120
[   72.333890][ T5837]  ? __virt_addr_valid+0x183/0x530
[   72.333907][ T5837]  ? __virt_addr_valid+0x183/0x530
[   72.333924][ T5837]  print_report+0x169/0x550
[   72.333939][ T5837]  ? __virt_addr_valid+0x183/0x530
[   72.333954][ T5837]  ? __virt_addr_valid+0x183/0x530
[   72.333969][ T5837]  ? __virt_addr_valid+0x45f/0x530
[   72.333984][ T5837]  ? __phys_addr+0xba/0x170
[   72.334000][ T5837]  ? binder_add_device+0x5f/0xa0
[   72.334015][ T5837]  kasan_report+0x143/0x180
[   72.334029][ T5837]  ? binder_add_device+0x5f/0xa0
[   72.334045][ T5837]  binder_add_device+0x5f/0xa0
[   72.334059][ T5837]  binderfs_binder_device_create+0x7bf/0x9c0
[   72.334076][ T5837]  binderfs_fill_super+0x944/0xd90
[   72.334092][ T5837]  ? __pfx_binderfs_fill_super+0x10/0x10
[   72.334113][ T5837]  ? shrinker_register+0x160/0x230
[   72.334131][ T5837]  ? sget_fc+0x909/0x9c0
[   72.334149][ T5837]  ? __pfx_set_anon_super_fc+0x10/0x10
[   72.334160][ T5837]  ? __pfx_binderfs_fill_super+0x10/0x10
[   72.334179][ T5837]  get_tree_nodev+0xb7/0x140
[   72.334191][ T5837]  vfs_get_tree+0x90/0x2b0
[   72.334204][ T5837]  do_new_mount+0x2be/0xb40
[   72.334220][ T5837]  ? __pfx_do_new_mount+0x10/0x10
[   72.334236][ T5837]  __se_sys_mount+0x2d6/0x3c0
[   72.334251][ T5837]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   72.334267][ T5837]  ? __pfx___se_sys_mount+0x10/0x10
[   72.334282][ T5837]  ? do_syscall_64+0x100/0x230
[   72.334300][ T5837]  ? __x64_sys_mount+0x20/0xc0
[   72.334314][ T5837]  do_syscall_64+0xf3/0x230
[   72.334331][ T5837]  ? clear_bhb_loop+0x35/0x90
[   72.334349][ T5837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   72.334365][ T5837] RIP: 0033:0x7f988e3874ba
[   72.334381][ T5837] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   72.334392][ T5837] RSP: 002b:00007ffd13385ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   72.334407][ T5837] RAX: ffffffffffffffda RBX: 00007f988e401de3 RCX: 00007f988e3874ba
[   72.334416][ T5837] RDX: 00007f988e40eb3f RSI: 00007f988e401de3 RDI: 00007f988e40eb3f
[   72.334426][ T5837] RBP: 00007f988e401fdb R08: 0000000000000000 R09: 00000000000001ff
[   72.334434][ T5837] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f988e3e41c8
[   72.334442][ T5837] R13: 00007f988e3e41a8 R14: 0000000000000009 R15: 0000000000000000
[   72.334455][ T5837]  </TASK>
[   72.334459][ T5837] 
[   72.608517][ T5837] Allocated by task 5831:
[   72.612888][ T5837]  kasan_save_track+0x3f/0x80
[   72.617571][ T5837]  __kasan_kmalloc+0x98/0xb0
[   72.622163][ T5837]  __kmalloc_cache_noprof+0x243/0x390
[   72.627617][ T5837]  binderfs_binder_device_create+0x16c/0x9c0
[   72.633586][ T5837]  binderfs_fill_super+0x944/0xd90
[   72.638773][ T5837]  get_tree_nodev+0xb7/0x140
[   72.643451][ T5837]  vfs_get_tree+0x90/0x2b0
[   72.648140][ T5837]  do_new_mount+0x2be/0xb40
[   72.652646][ T5837]  __se_sys_mount+0x2d6/0x3c0
[   72.657347][ T5837]  do_syscall_64+0xf3/0x230
[   72.661863][ T5837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   72.667773][ T5837] 
[   72.670114][ T5837] Freed by task 5831:
[   72.674103][ T5837]  kasan_save_track+0x3f/0x80
[   72.678873][ T5837]  kasan_save_free_info+0x40/0x50
[   72.683930][ T5837]  __kasan_slab_free+0x59/0x70
[   72.688698][ T5837]  kfree+0x196/0x430
[   72.692604][ T5837]  evict+0x4e8/0x9a0
[   72.696502][ T5837]  __dentry_kill+0x20d/0x630
[   72.701114][ T5837]  shrink_kill+0xa9/0x2c0
[   72.705461][ T5837]  shrink_dentry_list+0x2c0/0x5b0
[   72.710506][ T5837]  shrink_dcache_parent+0xcb/0x3b0
[   72.715645][ T5837]  do_one_tree+0x23/0xe0
[   72.719981][ T5837]  shrink_dcache_for_umount+0xb4/0x180
[   72.725550][ T5837]  generic_shutdown_super+0x6a/0x2d0
[   72.730955][ T5837]  kill_litter_super+0x76/0xb0
[   72.735729][ T5837]  binderfs_kill_super+0x44/0x90
[   72.740682][ T5837]  deactivate_locked_super+0xc4/0x130
[   72.746092][ T5837]  cleanup_mnt+0x41f/0x4b0
[   72.750715][ T5837]  task_work_run+0x24f/0x310
[   72.755323][ T5837]  do_exit+0xa2a/0x28e0
[   72.759480][ T5837]  do_group_exit+0x207/0x2c0
[   72.764062][ T5837]  get_signal+0x16b2/0x1750
[   72.768559][ T5837]  arch_do_signal_or_restart+0x96/0x860
[   72.774183][ T5837]  syscall_exit_to_user_mode+0xce/0x340
[   72.779725][ T5837]  do_syscall_64+0x100/0x230
[   72.784310][ T5837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   72.790228][ T5837] 
[   72.792564][ T5837] The buggy address belongs to the object at ffff8880356ba000
[   72.792564][ T5837]  which belongs to the cache kmalloc-512 of size 512
[   72.806632][ T5837] The buggy address is located 8 bytes inside of
[   72.806632][ T5837]  freed 512-byte region [ffff8880356ba000, ffff8880356ba200)
[   72.820288][ T5837] 
[   72.822611][ T5837] The buggy address belongs to the physical page:
[   72.829284][ T5837] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x356b8
[   72.838034][ T5837] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   72.846542][ T5837] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[   72.854546][ T5837] page_type: f5(slab)
[   72.858532][ T5837] raw: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[   72.867127][ T5837] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[   72.875783][ T5837] head: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[   72.884488][ T5837] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[   72.893172][ T5837] head: 00fff00000000002 ffffea0000d5ae01 ffffffffffffffff 0000000000000000
[   72.901839][ T5837] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   72.910599][ T5837] page dumped because: kasan: bad access detected
[   72.917032][ T5837] page_owner tracks the page as allocated
[   72.922930][ T5837] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5162, tgid 5162 (mount), ts 20730598701, free_ts 0
[   72.942823][ T5837]  post_alloc_hook+0x1f4/0x240
[   72.947607][ T5837]  get_page_from_freelist+0x3651/0x37a0
[   72.953214][ T5837]  __alloc_frozen_pages_noprof+0x292/0x710
[   72.959054][ T5837]  alloc_pages_mpol+0x311/0x660
[   72.963930][ T5837]  allocate_slab+0x8f/0x3a0
[   72.968435][ T5837]  ___slab_alloc+0xc27/0x14a0
[   72.973110][ T5837]  __slab_alloc+0x58/0xa0
[   72.977533][ T5837]  __kmalloc_cache_noprof+0x27b/0x390
[   72.982931][ T5837]  shmem_fill_super+0xcf/0x1110
[   72.987782][ T5837]  get_tree_nodev+0xb7/0x140
[   72.992371][ T5837]  vfs_get_tree+0x90/0x2b0
[   72.996778][ T5837]  do_new_mount+0x2be/0xb40
[   73.001266][ T5837]  __se_sys_mount+0x2d6/0x3c0
[   73.005934][ T5837]  do_syscall_64+0xf3/0x230
[   73.010515][ T5837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   73.016404][ T5837] page_owner free stack trace missing
[   73.021759][ T5837] 
[   73.024071][ T5837] Memory state around the buggy address:
[   73.030258][ T5837]  ffff8880356b9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   73.038440][ T5837]  ffff8880356b9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   73.046523][ T5837] >ffff8880356ba000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   73.054585][ T5837]                       ^
[   73.059117][ T5837]  ffff8880356ba080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   73.067183][ T5837]  ffff8880356ba100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   73.075243][ T5837] ==================================================================
[   73.084277][ T5837] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   73.091740][ T5837] CPU: 1 UID: 0 PID: 5837 Comm: syz-executor Not tainted 6.13.0-syzkaller-09338-g05dbaf8dd8bf #0
[   73.103295][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   73.113523][ T5837] Call Trace:
[   73.116941][ T5837]  <TASK>
[   73.119874][ T5837]  dump_stack_lvl+0x241/0x360
[   73.124549][ T5837]  ? __pfx_dump_stack_lvl+0x10/0x10
[   73.129752][ T5837]  ? __pfx__printk+0x10/0x10
[   73.134358][ T5837]  ? preempt_schedule+0xe1/0xf0
[   73.139326][ T5837]  ? vscnprintf+0x5d/0x90
[   73.143761][ T5837]  panic+0x349/0x880
[   73.147685][ T5837]  ? check_panic_on_warn+0x21/0xb0
[   73.152885][ T5837]  ? __pfx_panic+0x10/0x10
[   73.157401][ T5837]  ? _raw_spin_unlock_irqrestore+0x130/0x140
[   73.163384][ T5837]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   73.169693][ T5837]  ? print_report+0x502/0x550
[   73.174356][ T5837]  check_panic_on_warn+0x86/0xb0
[   73.179281][ T5837]  ? binder_add_device+0x5f/0xa0
[   73.184203][ T5837]  end_report+0x77/0x160
[   73.188440][ T5837]  kasan_report+0x154/0x180
[   73.192979][ T5837]  ? binder_add_device+0x5f/0xa0
[   73.197985][ T5837]  binder_add_device+0x5f/0xa0
[   73.202729][ T5837]  binderfs_binder_device_create+0x7bf/0x9c0
[   73.208706][ T5837]  binderfs_fill_super+0x944/0xd90
[   73.213887][ T5837]  ? __pfx_binderfs_fill_super+0x10/0x10
[   73.219524][ T5837]  ? shrinker_register+0x160/0x230
[   73.224648][ T5837]  ? sget_fc+0x909/0x9c0
[   73.229075][ T5837]  ? __pfx_set_anon_super_fc+0x10/0x10
[   73.234629][ T5837]  ? __pfx_binderfs_fill_super+0x10/0x10
[   73.240260][ T5837]  get_tree_nodev+0xb7/0x140
[   73.244856][ T5837]  vfs_get_tree+0x90/0x2b0
[   73.249278][ T5837]  do_new_mount+0x2be/0xb40
[   73.253789][ T5837]  ? __pfx_do_new_mount+0x10/0x10
[   73.258813][ T5837]  __se_sys_mount+0x2d6/0x3c0
[   73.263485][ T5837]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   73.269452][ T5837]  ? __pfx___se_sys_mount+0x10/0x10
[   73.274720][ T5837]  ? do_syscall_64+0x100/0x230
[   73.279469][ T5837]  ? __x64_sys_mount+0x20/0xc0
[   73.284226][ T5837]  do_syscall_64+0xf3/0x230
[   73.288741][ T5837]  ? clear_bhb_loop+0x35/0x90
[   73.293421][ T5837]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   73.299351][ T5837] RIP: 0033:0x7f988e3874ba
[   73.303797][ T5837] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[   73.323707][ T5837] RSP: 002b:00007ffd13385ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   73.332128][ T5837] RAX: ffffffffffffffda RBX: 00007f988e401de3 RCX: 00007f988e3874ba
[   73.340283][ T5837] RDX: 00007f988e40eb3f RSI: 00007f988e401de3 RDI: 00007f988e40eb3f
[   73.348338][ T5837] RBP: 00007f988e401fdb R08: 0000000000000000 R09: 00000000000001ff
[   73.356421][ T5837] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f988e3e41c8
[   73.364385][ T5837] R13: 00007f988e3e41a8 R14: 0000000000000009 R15: 0000000000000000
[   73.372361][ T5837]  </TASK>
[   73.375704][ T5837] Kernel Offset: disabled
[   73.380040][ T5837] Rebooting in 86400 seconds..


syzkaller build log:
go env (err=<nil>)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.22.7'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build463241956=/tmp/go-build -gno-record-gcc-switches'

git status (err=<nil>)
HEAD detached at eec85da60b
nothing to commit, working tree clean


tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
go fmt ./sys/... >/dev/null
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=eec85da60b9ae37e7bfc959b3eb946907abec5e7 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241216-091937'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
	-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
	-DHOSTGOOS_linux=1 -DGIT_REVISION=\"eec85da60b9ae37e7bfc959b3eb946907abec5e7\"
/usr/bin/ld: /tmp/cc52HCHR.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking