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 ffff888145711008 by task syz-executor/5861

CPU: 0 UID: 0 PID: 5861 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #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: 0033:0x7f3ba97874ca
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:00007ffd5494b858 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3ba9801ecb RCX: 00007f3ba97874ca
RDX: 00007f3ba980ec27 RSI: 00007f3ba9801ecb RDI: 00007f3ba980ec27
RBP: 00007f3ba98020c3 R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ba97e41c8
R13: 00007f3ba97e41a8 R14: 0000000000000009 R15: 0000000000000000
 </TASK>

Allocated by task 5850:
 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 5850:
 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 ffff888145711000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
 freed 512-byte region [ffff888145711000, ffff888145711200)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x145710
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000040 ffff88801ac41c80 ffffea000517c700 dead000000000002
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000040 ffff88801ac41c80 ffffea000517c700 dead000000000002
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000002 ffffea000515c401 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 9141791440, 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
 platform_device_add+0x45d/0x7c0 drivers/base/platform.c:716
 dummy_hcd_init+0x843/0x1080 drivers/usb/gadget/udc/dummy_hcd.c:2846
 do_one_initcall+0x248/0x870 init/main.c:1257
 do_initcall_level+0x157/0x210 init/main.c:1319
 do_initcalls+0x3f/0x80 init/main.c:1335
 kernel_init_freeable+0x435/0x5d0 init/main.c:1568
 kernel_init+0x1d/0x2b0 init/main.c:1457
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888145710f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888145710f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888145711000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff888145711080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888145711100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================


Warning: Permanently added '10.128.1.142' (ED25519) to the list of known hosts.
2025/01/27 21:39:54 ignoring optional flag "sandboxArg"="0"
2025/01/27 21:39:54 parsed 1 programs
[   68.082765][ T5829] cgroup: Unknown subsys name 'net'
[   68.269579][ T5829] cgroup: Unknown subsys name 'cpuset'
[   68.277666][ T5829] cgroup: Unknown subsys name 'rlimit'
[   69.556727][ T5829] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   71.780349][ T1296] ieee802154 phy0 wpan0: encryption failed: -22
[   71.786885][ T1296] ieee802154 phy1 wpan1: encryption failed: -22
[   72.319830][ T5842] 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.
[   72.580998][ T5866] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   72.591330][ T5866] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   72.604120][ T5866] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   72.620664][ T5866] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   72.632155][ T5866] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   72.643912][ T5866] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   72.717593][ T5844] chnl_net:caif_netlink_parms(): no params data found
[   73.018176][ T5861] ==================================================================
[   73.026305][ T5861] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[   73.034169][ T5861] Write of size 8 at addr ffff888145711008 by task syz-executor/5861
[   73.042255][ T5861] 
[   73.044623][ T5861] CPU: 0 UID: 0 PID: 5861 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #0
[   73.044646][ T5861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   73.044662][ T5861] Call Trace:
[   73.044669][ T5861]  <TASK>
[   73.044675][ T5861]  dump_stack_lvl+0x241/0x360
[   73.044709][ T5861]  ? __pfx_dump_stack_lvl+0x10/0x10
[   73.044726][ T5861]  ? __pfx__printk+0x10/0x10
[   73.044742][ T5861]  ? _printk+0xd5/0x120
[   73.044755][ T5861]  ? __virt_addr_valid+0x183/0x530
[   73.044777][ T5861]  ? __virt_addr_valid+0x183/0x530
[   73.044798][ T5861]  print_report+0x169/0x550
[   73.044820][ T5861]  ? __virt_addr_valid+0x183/0x530
[   73.044840][ T5861]  ? __virt_addr_valid+0x183/0x530
[   73.044860][ T5861]  ? __virt_addr_valid+0x45f/0x530
[   73.044880][ T5861]  ? __phys_addr+0xba/0x170
[   73.044901][ T5861]  ? binder_add_device+0x5f/0xa0
[   73.044923][ T5861]  kasan_report+0x143/0x180
[   73.044946][ T5861]  ? binder_add_device+0x5f/0xa0
[   73.044969][ T5861]  binder_add_device+0x5f/0xa0
[   73.044991][ T5861]  binderfs_binder_device_create+0x7bf/0x9c0
[   73.045016][ T5861]  binderfs_fill_super+0x944/0xd90
[   73.045040][ T5861]  ? __pfx_binderfs_fill_super+0x10/0x10
[   73.045071][ T5861]  ? shrinker_register+0x160/0x230
[   73.045091][ T5861]  ? sget_fc+0x909/0x9c0
[   73.045111][ T5861]  ? __pfx_set_anon_super_fc+0x10/0x10
[   73.045130][ T5861]  ? __pfx_binderfs_fill_super+0x10/0x10
[   73.045150][ T5861]  get_tree_nodev+0xb7/0x140
[   73.045171][ T5861]  vfs_get_tree+0x90/0x2b0
[   73.045192][ T5861]  do_new_mount+0x2be/0xb40
[   73.045210][ T5861]  ? __pfx_do_new_mount+0x10/0x10
[   73.045229][ T5861]  __se_sys_mount+0x2d6/0x3c0
[   73.045245][ T5861]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   73.045267][ T5861]  ? __pfx___se_sys_mount+0x10/0x10
[   73.045284][ T5861]  ? do_syscall_64+0x100/0x230
[   73.045301][ T5861]  ? __x64_sys_mount+0x20/0xc0
[   73.045318][ T5861]  do_syscall_64+0xf3/0x230
[   73.045333][ T5861]  ? clear_bhb_loop+0x35/0x90
[   73.045355][ T5861]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   73.045379][ T5861] RIP: 0033:0x7f3ba97874ca
[   73.045398][ T5861] 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
[   73.045412][ T5861] RSP: 002b:00007ffd5494b858 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   73.045430][ T5861] RAX: ffffffffffffffda RBX: 00007f3ba9801ecb RCX: 00007f3ba97874ca
[   73.045442][ T5861] RDX: 00007f3ba980ec27 RSI: 00007f3ba9801ecb RDI: 00007f3ba980ec27
[   73.045453][ T5861] RBP: 00007f3ba98020c3 R08: 0000000000000000 R09: 00000000000001ff
[   73.045463][ T5861] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ba97e41c8
[   73.045474][ T5861] R13: 00007f3ba97e41a8 R14: 0000000000000009 R15: 0000000000000000
[   73.045491][ T5861]  </TASK>
[   73.045496][ T5861] 
[   73.320711][ T5861] Allocated by task 5850:
[   73.325027][ T5861]  kasan_save_track+0x3f/0x80
[   73.329710][ T5861]  __kasan_kmalloc+0x98/0xb0
[   73.334297][ T5861]  __kmalloc_cache_noprof+0x243/0x390
[   73.339661][ T5861]  binderfs_binder_device_create+0x16c/0x9c0
[   73.345646][ T5861]  binderfs_fill_super+0x944/0xd90
[   73.350858][ T5861]  get_tree_nodev+0xb7/0x140
[   73.355443][ T5861]  vfs_get_tree+0x90/0x2b0
[   73.359851][ T5861]  do_new_mount+0x2be/0xb40
[   73.364364][ T5861]  __se_sys_mount+0x2d6/0x3c0
[   73.369052][ T5861]  do_syscall_64+0xf3/0x230
[   73.373550][ T5861]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   73.379576][ T5861] 
[   73.381888][ T5861] Freed by task 5850:
[   73.385850][ T5861]  kasan_save_track+0x3f/0x80
[   73.390560][ T5861]  kasan_save_free_info+0x40/0x50
[   73.395585][ T5861]  __kasan_slab_free+0x59/0x70
[   73.400344][ T5861]  kfree+0x196/0x430
[   73.404249][ T5861]  evict+0x4e8/0x9a0
[   73.408133][ T5861]  __dentry_kill+0x20d/0x630
[   73.412718][ T5861]  shrink_kill+0xa9/0x2c0
[   73.417037][ T5861]  shrink_dentry_list+0x2c0/0x5b0
[   73.422047][ T5861]  shrink_dcache_parent+0xcb/0x3b0
[   73.427151][ T5861]  do_one_tree+0x23/0xe0
[   73.431656][ T5861]  shrink_dcache_for_umount+0xb4/0x180
[   73.437100][ T5861]  generic_shutdown_super+0x6a/0x2d0
[   73.443089][ T5861]  kill_litter_super+0x76/0xb0
[   73.447841][ T5861]  binderfs_kill_super+0x44/0x90
[   73.452768][ T5861]  deactivate_locked_super+0xc4/0x130
[   73.458141][ T5861]  cleanup_mnt+0x41f/0x4b0
[   73.462632][ T5861]  task_work_run+0x24f/0x310
[   73.467223][ T5861]  do_exit+0xa2a/0x28e0
[   73.471372][ T5861]  do_group_exit+0x207/0x2c0
[   73.476223][ T5861]  get_signal+0x16b2/0x1750
[   73.480806][ T5861]  arch_do_signal_or_restart+0x96/0x860
[   73.486342][ T5861]  syscall_exit_to_user_mode+0xce/0x340
[   73.491880][ T5861]  do_syscall_64+0x100/0x230
[   73.496464][ T5861]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   73.502348][ T5861] 
[   73.504684][ T5861] The buggy address belongs to the object at ffff888145711000
[   73.504684][ T5861]  which belongs to the cache kmalloc-512 of size 512
[   73.518825][ T5861] The buggy address is located 8 bytes inside of
[   73.518825][ T5861]  freed 512-byte region [ffff888145711000, ffff888145711200)
[   73.532451][ T5861] 
[   73.534767][ T5861] The buggy address belongs to the physical page:
[   73.541172][ T5861] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x145710
[   73.550127][ T5861] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   73.558612][ T5861] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
[   73.566245][ T5861] page_type: f5(slab)
[   73.570217][ T5861] raw: 057ff00000000040 ffff88801ac41c80 ffffea000517c700 dead000000000002
[   73.578785][ T5861] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[   73.587357][ T5861] head: 057ff00000000040 ffff88801ac41c80 ffffea000517c700 dead000000000002
[   73.596014][ T5861] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[   73.604762][ T5861] head: 057ff00000000002 ffffea000515c401 ffffffffffffffff 0000000000000000
[   73.613417][ T5861] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[   73.622167][ T5861] page dumped because: kasan: bad access detected
[   73.628576][ T5861] page_owner tracks the page as allocated
[   73.634272][ T5861] 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 9141791440, free_ts 0
[   73.653958][ T5861]  post_alloc_hook+0x1f4/0x240
[   73.658816][ T5861]  get_page_from_freelist+0x365c/0x37a0
[   73.664387][ T5861]  __alloc_frozen_pages_noprof+0x292/0x710
[   73.670298][ T5861]  alloc_pages_mpol+0x311/0x660
[   73.675232][ T5861]  allocate_slab+0x8f/0x3a0
[   73.679898][ T5861]  ___slab_alloc+0xc27/0x14a0
[   73.684563][ T5861]  __slab_alloc+0x58/0xa0
[   73.688888][ T5861]  __kmalloc_cache_noprof+0x27b/0x390
[   73.694249][ T5861]  device_add+0xc1/0xbf0
[   73.698537][ T5861]  platform_device_add+0x45d/0x7c0
[   73.703641][ T5861]  dummy_hcd_init+0x843/0x1080
[   73.708397][ T5861]  do_one_initcall+0x248/0x870
[   73.713155][ T5861]  do_initcall_level+0x157/0x210
[   73.718082][ T5861]  do_initcalls+0x3f/0x80
[   73.722415][ T5861]  kernel_init_freeable+0x435/0x5d0
[   73.727607][ T5861]  kernel_init+0x1d/0x2b0
[   73.731981][ T5861] page_owner free stack trace missing
[   73.737435][ T5861] 
[   73.739751][ T5861] Memory state around the buggy address:
[   73.745372][ T5861]  ffff888145710f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   73.753434][ T5861]  ffff888145710f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   73.761518][ T5861] >ffff888145711000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   73.769598][ T5861]                       ^
[   73.773919][ T5861]  ffff888145711080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   73.781973][ T5861]  ffff888145711100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   73.790106][ T5861] ==================================================================
[   73.848283][ T5861] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   73.855534][ T5861] CPU: 0 UID: 0 PID: 5861 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #0
[   73.867273][ T5861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   73.877358][ T5861] Call Trace:
[   73.880672][ T5861]  <TASK>
[   73.883627][ T5861]  dump_stack_lvl+0x241/0x360
[   73.888317][ T5861]  ? __pfx_dump_stack_lvl+0x10/0x10
[   73.893622][ T5861]  ? __pfx__printk+0x10/0x10
[   73.898230][ T5861]  ? preempt_schedule+0xe1/0xf0
[   73.903117][ T5861]  ? vscnprintf+0x5d/0x90
[   73.907475][ T5861]  panic+0x349/0x880
[   73.911380][ T5861]  ? check_panic_on_warn+0x21/0xb0
[   73.916592][ T5861]  ? __pfx_panic+0x10/0x10
[   73.921046][ T5861]  ? _raw_spin_unlock_irqrestore+0x130/0x140
[   73.927163][ T5861]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   73.933577][ T5861]  ? print_report+0x502/0x550
[   73.938306][ T5861]  check_panic_on_warn+0x86/0xb0
[   73.943341][ T5861]  ? binder_add_device+0x5f/0xa0
[   73.948294][ T5861]  end_report+0x77/0x160
[   73.952555][ T5861]  kasan_report+0x154/0x180
[   73.957067][ T5861]  ? binder_add_device+0x5f/0xa0
[   73.962129][ T5861]  binder_add_device+0x5f/0xa0
[   73.966922][ T5861]  binderfs_binder_device_create+0x7bf/0x9c0
[   73.972986][ T5861]  binderfs_fill_super+0x944/0xd90
[   73.978131][ T5861]  ? __pfx_binderfs_fill_super+0x10/0x10
[   73.983803][ T5861]  ? shrinker_register+0x160/0x230
[   73.988956][ T5861]  ? sget_fc+0x909/0x9c0
[   73.993217][ T5861]  ? __pfx_set_anon_super_fc+0x10/0x10
[   73.998678][ T5861]  ? __pfx_binderfs_fill_super+0x10/0x10
[   74.004344][ T5861]  get_tree_nodev+0xb7/0x140
[   74.008961][ T5861]  vfs_get_tree+0x90/0x2b0
[   74.013396][ T5861]  do_new_mount+0x2be/0xb40
[   74.017915][ T5861]  ? __pfx_do_new_mount+0x10/0x10
[   74.023024][ T5861]  __se_sys_mount+0x2d6/0x3c0
[   74.027694][ T5861]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   74.033685][ T5861]  ? __pfx___se_sys_mount+0x10/0x10
[   74.038875][ T5861]  ? do_syscall_64+0x100/0x230
[   74.043631][ T5861]  ? __x64_sys_mount+0x20/0xc0
[   74.048390][ T5861]  do_syscall_64+0xf3/0x230
[   74.052889][ T5861]  ? clear_bhb_loop+0x35/0x90
[   74.057561][ T5861]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   74.063445][ T5861] RIP: 0033:0x7f3ba97874ca
[   74.067935][ T5861] 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
[   74.087717][ T5861] RSP: 002b:00007ffd5494b858 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   74.096242][ T5861] RAX: ffffffffffffffda RBX: 00007f3ba9801ecb RCX: 00007f3ba97874ca
[   74.104301][ T5861] RDX: 00007f3ba980ec27 RSI: 00007f3ba9801ecb RDI: 00007f3ba980ec27
[   74.112282][ T5861] RBP: 00007f3ba98020c3 R08: 0000000000000000 R09: 00000000000001ff
[   74.120246][ T5861] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ba97e41c8
[   74.128214][ T5861] R13: 00007f3ba97e41a8 R14: 0000000000000009 R15: 0000000000000000
[   74.136179][ T5861]  </TASK>
[   74.139577][ T5861] Kernel Offset: disabled
[   74.143957][ T5861] 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-build14475836=/tmp/go-build -gno-record-gcc-switches'

git status (err=<nil>)
HEAD detached at 6dbc6a9bc7
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=6dbc6a9bc76e06852841ed5c5bdbb78409b17f53 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250110-142744'" "-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=\"6dbc6a9bc76e06852841ed5c5bdbb78409b17f53\"
/usr/bin/ld: /tmp/ccjuICij.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