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 ffff888030c23808 by task syz-executor/5848

CPU: 0 UID: 0 PID: 5848 Comm: syz-executor Not tainted 6.13.0-rc7-next-20250120-syzkaller-g1573c8d4cb20-dirty #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: 0033:0x7fa3753874ca
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:00007ffdb5a7ef08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa375401e6b RCX: 00007fa3753874ca
RDX: 00007fa37540ebc7 RSI: 00007fa375401e6b RDI: 00007fa37540ebc7
RBP: 00007fa375402063 R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3753e41c8
R13: 00007fa3753e41a8 R14: 0000000000000009 R15: 0000000000000000
 </TASK>

Allocated by task 5841:
 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 5841:
 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:637
 shrink_kill+0xa9/0x2c0 fs/dcache.c:1082
 shrink_dentry_list+0x2c0/0x5b0 fs/dcache.c:1109
 shrink_dcache_parent+0xcb/0x3b0
 do_one_tree+0x23/0xe0 fs/dcache.c:1572
 shrink_dcache_for_umount+0xb4/0x180 fs/dcache.c:1589
 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 ffff888030c23800
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
 freed 512-byte region [ffff888030c23800, ffff888030c23a00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x30c20
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 ffffea0000c30801 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 1, tgid 1 (swapper/0), ts 12108906815, 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+0x365c/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]
 device_private_init drivers/base/core.c:3510 [inline]
 device_add+0xc1/0xbf0 drivers/base/core.c:3561
 snd_register_device+0x327/0x480 sound/core/sound.c:278
 snd_pcm_dev_register+0x130/0x7f0 sound/core/pcm.c:1073
 __snd_device_register sound/core/device.c:149 [inline]
 snd_device_register_all+0xc9/0x1a0 sound/core/device.c:197
 snd_card_register+0x1f0/0x700 sound/core/init.c:895
 snd_dummy_probe+0x107e/0x18a0 sound/drivers/dummy.c:1093
 platform_probe+0x13a/0x1c0 drivers/base/platform.c:1404
 really_probe+0x2b9/0xad0 drivers/base/dd.c:658
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888030c23700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888030c23780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888030c23800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff888030c23880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888030c23900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================


Warning: Permanently added '10.128.10.31' (ED25519) to the list of known hosts.
2025/01/21 07:28:18 ignoring optional flag "sandboxArg"="0"
2025/01/21 07:28:19 parsed 1 programs
[   66.343790][ T5832] cgroup: Unknown subsys name 'net'
[   66.475130][ T5832] cgroup: Unknown subsys name 'cpuset'
[   66.482931][ T5832] cgroup: Unknown subsys name 'rlimit'
[   67.783105][ T5832] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   70.498526][ T5841] 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.
[   70.862213][ 
** replaying previous printk message **
[   70.862213][ T5848] ==================================================================
[   70.862238][ T5848] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[   70.862281][ T5848] Write of size 8 at addr ffff888030c23808 by task syz-executor/5848
[   70.862294][ T5848] 
[   70.862317][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: syz-executor Not tainted 6.13.0-rc7-next-20250120-syzkaller-g1573c8d4cb20-dirty #0
[   70.862328][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   70.862337][ T5848] Call Trace:
[   70.862341][ T5848]  <TASK>
[   70.862346][ T5848]  dump_stack_lvl+0x241/0x360
[   70.862357][ T5848]  ? __pfx_dump_stack_lvl+0x10/0x10
[   70.862367][ T5848]  ? __pfx__printk+0x10/0x10
[   70.862382][ T5848]  ? _printk+0xd5/0x120
[   70.862390][ T5848]  ? __virt_addr_valid+0x183/0x530
[   70.862404][ T5848]  ? __virt_addr_valid+0x183/0x530
[   70.862418][ T5848]  print_report+0x169/0x550
[   70.862432][ T5848]  ? __virt_addr_valid+0x183/0x530
[   70.862445][ T5848]  ? __virt_addr_valid+0x183/0x530
[   70.862458][ T5848]  ? __virt_addr_valid+0x45f/0x530
[   70.862470][ T5848]  ? __phys_addr+0xba/0x170
[   70.862484][ T5848]  ? binder_add_device+0x5f/0xa0
[   70.862495][ T5848]  kasan_report+0x143/0x180
[   70.862509][ T5848]  ? binder_add_device+0x5f/0xa0
[   70.862522][ T5848]  binder_add_device+0x5f/0xa0
[   70.862534][ T5848]  binderfs_binder_device_create+0x7bf/0x9c0
[   70.862548][ T5848]  binderfs_fill_super+0x944/0xd90
[   70.862560][ T5848]  ? __pfx_binderfs_fill_super+0x10/0x10
[   70.862575][ T5848]  ? shrinker_register+0x160/0x230
[   70.862587][ T5848]  ? sget_fc+0x909/0x9c0
[   70.862599][ T5848]  ? __pfx_set_anon_super_fc+0x10/0x10
[   70.862611][ T5848]  ? __pfx_binderfs_fill_super+0x10/0x10
[   70.862622][ T5848]  get_tree_nodev+0xb7/0x140
[   70.862634][ T5848]  vfs_get_tree+0x90/0x2b0
[   70.862647][ T5848]  do_new_mount+0x2be/0xb40
[   70.862657][ T5848]  ? __pfx_do_new_mount+0x10/0x10
[   70.862667][ T5848]  __se_sys_mount+0x2d6/0x3c0
[   70.862676][ T5848]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   70.862690][ T5848]  ? __pfx___se_sys_mount+0x10/0x10
[   70.862699][ T5848]  ? do_syscall_64+0x100/0x230
[   70.862713][ T5848]  ? __x64_sys_mount+0x20/0xc0
[   70.862723][ T5848]  do_syscall_64+0xf3/0x230
[   70.862736][ T5848]  ? clear_bhb_loop+0x35/0x90
[   70.862749][ T5848]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   70.862764][ T5848] RIP: 0033:0x7fa3753874ca
[   70.862775][ T5848] 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
[   70.862783][ T5848] RSP: 002b:00007ffdb5a7ef08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   70.862794][ T5848] RAX: ffffffffffffffda RBX: 00007fa375401e6b RCX: 00007fa3753874ca
[   70.862801][ T5848] RDX: 00007fa37540ebc7 RSI: 00007fa375401e6b RDI: 00007fa37540ebc7
[   70.862808][ T5848] RBP: 00007fa375402063 R08: 0000000000000000 R09: 00000000000001ff
[   70.862814][ T5848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3753e41c8
[   70.862820][ T5848] R13: 00007fa3753e41a8 R14: 0000000000000009 R15: 0000000000000000
[   70.862829][ T5848]  </TASK>
[   70.862832][ T5848] 
[   70.863005][ T5848] Allocated by task 5841:
[   70.863022][ T5848]  kasan_save_track+0x3f/0x80
[   70.863040][ T5848]  __kasan_kmalloc+0x98/0xb0
[   70.863057][ T5848]  __kmalloc_cache_noprof+0x243/0x390
[   70.863072][ T5848]  binderfs_binder_device_create+0x16c/0x9c0
[   70.863088][ T5848]  binderfs_fill_super+0x944/0xd90
[   70.863103][ T5848]  get_tree_nodev+0xb7/0x140
[   70.863119][ T5848]  vfs_get_tree+0x90/0x2b0
[   70.863136][ T5848]  do_new_mount+0x2be/0xb40
[   70.863149][ T5848]  __se_sys_mount+0x2d6/0x3c0
[   70.863163][ T5848]  do_syscall_64+0xf3/0x230
[   70.863180][ T5848]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   70.863196][ T5848] 
[   70.863204][ T5848] Freed by task 5841:
[   70.863213][ T5848]  kasan_save_track+0x3f/0x80
[   70.863230][ T5848]  kasan_save_free_info+0x40/0x50
[   70.863245][ T5848]  __kasan_slab_free+0x59/0x70
[   70.863262][ T5848]  kfree+0x196/0x430
[   70.863278][ T5848]  evict+0x4e8/0x9a0
[   70.863294][ T5848]  __dentry_kill+0x20d/0x630
[   70.863308][ T5848]  shrink_kill+0xa9/0x2c0
[   70.863322][ T5848]  shrink_dentry_list+0x2c0/0x5b0
[   70.863337][ T5848]  shrink_dcache_parent+0xcb/0x3b0
[   70.863352][ T5848]  do_one_tree+0x23/0xe0
[   70.863367][ T5848]  shrink_dcache_for_umount+0xb4/0x180
[   70.863382][ T5848]  generic_shutdown_super+0x6a/0x2d0
[   70.863398][ T5848]  kill_litter_super+0x76/0xb0
[   70.863413][ T5848]  binderfs_kill_super+0x44/0x90
[   70.863428][ T5848]  deactivate_locked_super+0xc4/0x130
[   70.863444][ T5848]  cleanup_mnt+0x41f/0x4b0
[   70.863459][ T5848]  task_work_run+0x24f/0x310
[   70.863477][ T5848]  do_exit+0xa2a/0x28e0
[   70.863494][ T5848]  do_group_exit+0x207/0x2c0
[   70.863510][ T5848]  get_signal+0x16b2/0x1750
[   70.863523][ T5848]  arch_do_signal_or_restart+0x96/0x860
[   70.863539][ T5848]  syscall_exit_to_user_mode+0xce/0x340
[   70.863557][ T5848]  do_syscall_64+0x100/0x230
[   70.863575][ T5848]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   70.863591][ T5848] 
[   70.863599][ T5848] The buggy address belongs to the object at ffff888030c23800
[   70.863599][ T5848]  which belongs to the cache kmalloc-512 of size 512
[   70.863612][ T5848] The buggy address is located 8 bytes inside of
[   70.863612][ T5848]  freed 512-byte region [ffff888030c23800, ffff888030c23a00)
[   70.863627][ T5848] 
[   70.863635][ T5848] The buggy address belongs to the physical page:
[   70.863645][ T5848] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x30c20
[   70.863667][ T5848] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   70.863680][ T5848] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[   70.863698][ T5848] page_type: f5(slab)
[   70.863712][ T5848] raw: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[   70.863725][ T5848] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[   70.863738][ T5848] head: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[   70.863751][ T5848] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[   70.863764][ T5848] head: 00fff00000000002 ffffea0000c30801 ffffffffffffffff 0000000000000000
[   70.863776][ T5848] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   70.863786][ T5848] page dumped because: kasan: bad access detected
[   70.863799][ T5848] page_owner tracks the page as allocated
[   70.863808][ T5848] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 12108906815, free_ts 0
[   70.863829][ T5848]  post_alloc_hook+0x1f4/0x240
[   70.863845][ T5848]  get_page_from_freelist+0x365c/0x37a0
[   70.863863][ T5848]  __alloc_frozen_pages_noprof+0x292/0x710
[   70.863880][ T5848]  alloc_pages_mpol+0x311/0x660
[   70.863893][ T5848]  allocate_slab+0x8f/0x3a0
[   70.863909][ T5848]  ___slab_alloc+0xc27/0x14a0
[   70.863924][ T5848]  __slab_alloc+0x58/0xa0
[   70.863939][ T5848]  __kmalloc_cache_noprof+0x27b/0x390
[   70.863953][ T5848]  device_add+0xc1/0xbf0
[   70.863968][ T5848]  snd_register_device+0x327/0x480
[   70.863987][ T5848]  snd_pcm_dev_register+0x130/0x7f0
[   70.864004][ T5848]  snd_device_register_all+0xc9/0x1a0
[   70.864026][ T5848]  snd_card_register+0x1f0/0x700
[   70.864040][ T5848]  snd_dummy_probe+0x107e/0x18a0
[   70.864058][ T5848]  platform_probe+0x13a/0x1c0
[   70.864071][ T5848]  really_probe+0x2b9/0xad0
[   70.864086][ T5848] page_owner free stack trace missing
[   70.864094][ T5848] 
[   70.864102][ T5848] Memory state around the buggy address:
[   70.864112][ T5848]  ffff888030c23700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   70.864124][ T5848]  ffff888030c23780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   70.864135][ T5848] >ffff888030c23800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   70.864145][ T5848]                       ^
[   70.864155][ T5848]  ffff888030c23880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   70.864166][ T5848]  ffff888030c23900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   70.864176][ T5848] ==================================================================
[   70.864781][ T5848] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   71.652247][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: syz-executor Not tainted 6.13.0-rc7-next-20250120-syzkaller-g1573c8d4cb20-dirty #0
[   71.664389][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   71.674443][ T5848] Call Trace:
[   71.677733][ T5848]  <TASK>
[   71.680665][ T5848]  dump_stack_lvl+0x241/0x360
[   71.685343][ T5848]  ? __pfx_dump_stack_lvl+0x10/0x10
[   71.690532][ T5848]  ? __pfx__printk+0x10/0x10
[   71.695115][ T5848]  ? preempt_schedule+0xe1/0xf0
[   71.699974][ T5848]  ? vscnprintf+0x5d/0x90
[   71.704333][ T5848]  panic+0x349/0x880
[   71.708227][ T5848]  ? check_panic_on_warn+0x21/0xb0
[   71.713331][ T5848]  ? __pfx_panic+0x10/0x10
[   71.717807][ T5848]  ? _raw_spin_unlock_irqrestore+0x130/0x140
[   71.723782][ T5848]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   71.730104][ T5848]  ? print_report+0x502/0x550
[   71.734801][ T5848]  check_panic_on_warn+0x86/0xb0
[   71.739731][ T5848]  ? binder_add_device+0x5f/0xa0
[   71.744660][ T5848]  end_report+0x77/0x160
[   71.748956][ T5848]  kasan_report+0x154/0x180
[   71.753539][ T5848]  ? binder_add_device+0x5f/0xa0
[   71.758559][ T5848]  binder_add_device+0x5f/0xa0
[   71.763316][ T5848]  binderfs_binder_device_create+0x7bf/0x9c0
[   71.769299][ T5848]  binderfs_fill_super+0x944/0xd90
[   71.774403][ T5848]  ? __pfx_binderfs_fill_super+0x10/0x10
[   71.780040][ T5848]  ? shrinker_register+0x160/0x230
[   71.785157][ T5848]  ? sget_fc+0x909/0x9c0
[   71.789490][ T5848]  ? __pfx_set_anon_super_fc+0x10/0x10
[   71.795030][ T5848]  ? __pfx_binderfs_fill_super+0x10/0x10
[   71.800751][ T5848]  get_tree_nodev+0xb7/0x140
[   71.805449][ T5848]  vfs_get_tree+0x90/0x2b0
[   71.809877][ T5848]  do_new_mount+0x2be/0xb40
[   71.814379][ T5848]  ? __pfx_do_new_mount+0x10/0x10
[   71.819498][ T5848]  __se_sys_mount+0x2d6/0x3c0
[   71.824165][ T5848]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   71.830315][ T5848]  ? __pfx___se_sys_mount+0x10/0x10
[   71.835507][ T5848]  ? do_syscall_64+0x100/0x230
[   71.840265][ T5848]  ? __x64_sys_mount+0x20/0xc0
[   71.845037][ T5848]  do_syscall_64+0xf3/0x230
[   71.849537][ T5848]  ? clear_bhb_loop+0x35/0x90
[   71.854295][ T5848]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   71.860185][ T5848] RIP: 0033:0x7fa3753874ca
[   71.864676][ T5848] 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
[   71.884358][ T5848] RSP: 002b:00007ffdb5a7ef08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   71.892765][ T5848] RAX: ffffffffffffffda RBX: 00007fa375401e6b RCX: 00007fa3753874ca
[   71.900726][ T5848] RDX: 00007fa37540ebc7 RSI: 00007fa375401e6b RDI: 00007fa37540ebc7
[   71.908700][ T5848] RBP: 00007fa375402063 R08: 0000000000000000 R09: 00000000000001ff
[   71.916668][ T5848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3753e41c8
[   71.924719][ T5848] R13: 00007fa3753e41a8 R14: 0000000000000009 R15: 0000000000000000
[   71.932702][ T5848]  </TASK>
[   73.057420][ T5848] Shutting down cpus with NMI
[   73.062561][ T5848] Kernel Offset: disabled
[   73.066929][ T5848] 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-build1199058756=/tmp/go-build -gno-record-gcc-switches'

git status (err=<nil>)
HEAD detached at 1d58202cd9
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=1d58202cd938cd702f9fddff39f2be5d9490988c -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241219-091341'" "-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=\"1d58202cd938cd702f9fddff39f2be5d9490988c\"
/usr/bin/ld: /tmp/cc6OaA1a.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