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 ffff888030b57408 by task syz-executor/5833
CPU: 0 UID: 0 PID: 5833 Comm: syz-executor Not tainted 6.13.0-syzkaller-08997-gf34b580514c9 #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: 0033:0x7fca1db874ca
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:00007ffeeaf2a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fca1dc01ecb RCX: 00007fca1db874ca
RDX: 00007fca1dc0ec27 RSI: 00007fca1dc01ecb RDI: 00007fca1dc0ec27
RBP: 00007fca1dc020c3 R08: 0000000000000000 R09: 00007ffeeaf2aa20
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fca1dbe41c8
R13: 00007fca1dbe41a8 R14: 0000000000000009 R15: 0000000000000000
</TASK>
Allocated by task 5827:
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 5827:
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 ffff888030b57400
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888030b57400, ffff888030b57600)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x30b54
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 ffffea0000c2d501 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 14410252071, 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]
__do_kmalloc_node mm/slub.c:4293 [inline]
__kmalloc_noprof+0x2e6/0x4c0 mm/slub.c:4306
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
__alloc_workqueue+0x10a/0x1f20 kernel/workqueue.c:5681
alloc_workqueue+0xd6/0x210 kernel/workqueue.c:5784
adf_init_vf_wq+0x1f/0x40 drivers/crypto/intel/qat/qat_common/adf_vf_isr.c:302
adf_register_ctl_device_driver+0x233/0x370 drivers/crypto/intel/qat/qat_common/adf_ctl_drv.c:430
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
page_owner free stack trace missing
Memory state around the buggy address:
ffff888030b57300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888030b57380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888030b57400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888030b57480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888030b57500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.0.147' (ED25519) to the list of known hosts.
2025/01/28 03:19:53 ignoring optional flag "sandboxArg"="0"
2025/01/28 03:19:54 parsed 1 programs
syzkaller login: [ 65.564264][ T5818] cgroup: Unknown subsys name 'net'
[ 65.697242][ T5818] cgroup: Unknown subsys name 'cpuset'
[ 65.705881][ T5818] cgroup: Unknown subsys name 'rlimit'
[ 67.012966][ T5818] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 69.557596][ T5827] 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.
[ 69.741497][ T53] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.749587][ T53] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.786974][ T142] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.795152][ T142] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.812188][ T5833] ==================================================================
[ 69.820282][ T5833] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 69.828025][ T5833] Write of size 8 at addr ffff888030b57408 by task syz-executor/5833
[ 69.836093][ T5833]
[ 69.838417][ T5833] CPU: 0 UID: 0 PID: 5833 Comm: syz-executor Not tainted 6.13.0-syzkaller-08997-gf34b580514c9 #0
[ 69.838428][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 69.838438][ T5833] Call Trace:
[ 69.838443][ T5833] <TASK>
[ 69.838447][ T5833] dump_stack_lvl+0x241/0x360
[ 69.838461][ T5833] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.838470][ T5833] ? __pfx__printk+0x10/0x10
[ 69.838483][ T5833] ? _printk+0xd5/0x120
[ 69.838495][ T5833] ? __virt_addr_valid+0x183/0x530
[ 69.838509][ T5833] ? __virt_addr_valid+0x183/0x530
[ 69.838521][ T5833] print_report+0x169/0x550
[ 69.838532][ T5833] ? __virt_addr_valid+0x183/0x530
[ 69.838543][ T5833] ? __virt_addr_valid+0x183/0x530
[ 69.838555][ T5833] ? __virt_addr_valid+0x45f/0x530
[ 69.838566][ T5833] ? __phys_addr+0xba/0x170
[ 69.838578][ T5833] ? binder_add_device+0x5f/0xa0
[ 69.838590][ T5833] kasan_report+0x143/0x180
[ 69.838600][ T5833] ? binder_add_device+0x5f/0xa0
[ 69.838612][ T5833] binder_add_device+0x5f/0xa0
[ 69.838623][ T5833] binderfs_binder_device_create+0x7bf/0x9c0
[ 69.838636][ T5833] binderfs_fill_super+0x944/0xd90
[ 69.838648][ T5833] ? __pfx_binderfs_fill_super+0x10/0x10
[ 69.838663][ T5833] ? shrinker_register+0x160/0x230
[ 69.838677][ T5833] ? sget_fc+0x909/0x9c0
[ 69.838691][ T5833] ? __pfx_set_anon_super_fc+0x10/0x10
[ 69.838699][ T5833] ? __pfx_binderfs_fill_super+0x10/0x10
[ 69.838709][ T5833] get_tree_nodev+0xb7/0x140
[ 69.838718][ T5833] vfs_get_tree+0x90/0x2b0
[ 69.838728][ T5833] do_new_mount+0x2be/0xb40
[ 69.838740][ T5833] ? __pfx_do_new_mount+0x10/0x10
[ 69.838752][ T5833] __se_sys_mount+0x2d6/0x3c0
[ 69.838763][ T5833] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 69.838776][ T5833] ? __pfx___se_sys_mount+0x10/0x10
[ 69.838787][ T5833] ? do_syscall_64+0x100/0x230
[ 69.838802][ T5833] ? __x64_sys_mount+0x20/0xc0
[ 69.838812][ T5833] do_syscall_64+0xf3/0x230
[ 69.838825][ T5833] ? clear_bhb_loop+0x35/0x90
[ 69.838839][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.838851][ T5833] RIP: 0033:0x7fca1db874ca
[ 69.838867][ T5833] 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
[ 69.838874][ T5833] RSP: 002b:00007ffeeaf2a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 69.838885][ T5833] RAX: ffffffffffffffda RBX: 00007fca1dc01ecb RCX: 00007fca1db874ca
[ 69.838892][ T5833] RDX: 00007fca1dc0ec27 RSI: 00007fca1dc01ecb RDI: 00007fca1dc0ec27
[ 69.838898][ T5833] RBP: 00007fca1dc020c3 R08: 0000000000000000 R09: 00007ffeeaf2aa20
[ 69.838904][ T5833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fca1dbe41c8
[ 69.838910][ T5833] R13: 00007fca1dbe41a8 R14: 0000000000000009 R15: 0000000000000000
[ 69.838918][ T5833] </TASK>
[ 69.838921][ T5833]
[ 70.111669][ T5833] Allocated by task 5827:
[ 70.115984][ T5833] kasan_save_track+0x3f/0x80
[ 70.120741][ T5833] __kasan_kmalloc+0x98/0xb0
[ 70.125521][ T5833] __kmalloc_cache_noprof+0x243/0x390
[ 70.131505][ T5833] binderfs_binder_device_create+0x16c/0x9c0
[ 70.137484][ T5833] binderfs_fill_super+0x944/0xd90
[ 70.142673][ T5833] get_tree_nodev+0xb7/0x140
[ 70.147265][ T5833] vfs_get_tree+0x90/0x2b0
[ 70.151670][ T5833] do_new_mount+0x2be/0xb40
[ 70.156273][ T5833] __se_sys_mount+0x2d6/0x3c0
[ 70.160950][ T5833] do_syscall_64+0xf3/0x230
[ 70.165443][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.171347][ T5833]
[ 70.173659][ T5833] Freed by task 5827:
[ 70.177623][ T5833] kasan_save_track+0x3f/0x80
[ 70.182284][ T5833] kasan_save_free_info+0x40/0x50
[ 70.187300][ T5833] __kasan_slab_free+0x59/0x70
[ 70.192138][ T5833] kfree+0x196/0x430
[ 70.196046][ T5833] evict+0x4e8/0x9a0
[ 70.199954][ T5833] __dentry_kill+0x20d/0x630
[ 70.204552][ T5833] shrink_kill+0xa9/0x2c0
[ 70.208877][ T5833] shrink_dentry_list+0x2c0/0x5b0
[ 70.213895][ T5833] shrink_dcache_parent+0xcb/0x3b0
[ 70.218999][ T5833] do_one_tree+0x23/0xe0
[ 70.223236][ T5833] shrink_dcache_for_umount+0xb4/0x180
[ 70.228704][ T5833] generic_shutdown_super+0x6a/0x2d0
[ 70.234057][ T5833] kill_litter_super+0x76/0xb0
[ 70.238820][ T5833] binderfs_kill_super+0x44/0x90
[ 70.243750][ T5833] deactivate_locked_super+0xc4/0x130
[ 70.249112][ T5833] cleanup_mnt+0x41f/0x4b0
[ 70.253522][ T5833] task_work_run+0x24f/0x310
[ 70.258136][ T5833] do_exit+0xa2a/0x28e0
[ 70.262368][ T5833] do_group_exit+0x207/0x2c0
[ 70.266947][ T5833] get_signal+0x16b2/0x1750
[ 70.271449][ T5833] arch_do_signal_or_restart+0x96/0x860
[ 70.276983][ T5833] syscall_exit_to_user_mode+0xce/0x340
[ 70.282523][ T5833] do_syscall_64+0x100/0x230
[ 70.287107][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.293002][ T5833]
[ 70.295314][ T5833] The buggy address belongs to the object at ffff888030b57400
[ 70.295314][ T5833] which belongs to the cache kmalloc-512 of size 512
[ 70.309356][ T5833] The buggy address is located 8 bytes inside of
[ 70.309356][ T5833] freed 512-byte region [ffff888030b57400, ffff888030b57600)
[ 70.323074][ T5833]
[ 70.325398][ T5833] The buggy address belongs to the physical page:
[ 70.331829][ T5833] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x30b54
[ 70.340594][ T5833] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 70.349085][ T5833] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[ 70.357226][ T5833] page_type: f5(slab)
[ 70.361199][ T5833] raw: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[ 70.369766][ T5833] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 70.378339][ T5833] head: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[ 70.386996][ T5833] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 70.395846][ T5833] head: 00fff00000000002 ffffea0000c2d501 ffffffffffffffff 0000000000000000
[ 70.404541][ T5833] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 70.413579][ T5833] page dumped because: kasan: bad access detected
[ 70.420167][ T5833] page_owner tracks the page as allocated
[ 70.425888][ T5833] 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 14410252071, free_ts 0
[ 70.445952][ T5833] post_alloc_hook+0x1f4/0x240
[ 70.450801][ T5833] get_page_from_freelist+0x3651/0x37a0
[ 70.456362][ T5833] __alloc_frozen_pages_noprof+0x292/0x710
[ 70.462186][ T5833] alloc_pages_mpol+0x311/0x660
[ 70.467071][ T5833] allocate_slab+0x8f/0x3a0
[ 70.471711][ T5833] ___slab_alloc+0xc27/0x14a0
[ 70.476485][ T5833] __slab_alloc+0x58/0xa0
[ 70.480839][ T5833] __kmalloc_noprof+0x2e6/0x4c0
[ 70.485706][ T5833] __alloc_workqueue+0x10a/0x1f20
[ 70.490732][ T5833] alloc_workqueue+0xd6/0x210
[ 70.495517][ T5833] adf_init_vf_wq+0x1f/0x40
[ 70.500027][ T5833] adf_register_ctl_device_driver+0x233/0x370
[ 70.506090][ T5833] do_one_initcall+0x248/0x870
[ 70.510935][ T5833] do_initcall_level+0x157/0x210
[ 70.515862][ T5833] do_initcalls+0x3f/0x80
[ 70.520184][ T5833] kernel_init_freeable+0x435/0x5d0
[ 70.525373][ T5833] page_owner free stack trace missing
[ 70.530728][ T5833]
[ 70.533045][ T5833] Memory state around the buggy address:
[ 70.538679][ T5833] ffff888030b57300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 70.546743][ T5833] ffff888030b57380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 70.555057][ T5833] >ffff888030b57400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.563114][ T5833] ^
[ 70.567540][ T5833] ffff888030b57480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.575600][ T5833] ffff888030b57500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.583734][ T5833] ==================================================================
[ 70.593666][ T5833] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 70.600890][ T5833] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor Not tainted 6.13.0-syzkaller-08997-gf34b580514c9 #0
[ 70.611405][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 70.621501][ T5833] Call Trace:
[ 70.624773][ T5833] <TASK>
[ 70.627696][ T5833] dump_stack_lvl+0x241/0x360
[ 70.632359][ T5833] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.637537][ T5833] ? __pfx__printk+0x10/0x10
[ 70.642145][ T5833] ? preempt_schedule+0xe1/0xf0
[ 70.647071][ T5833] ? vscnprintf+0x5d/0x90
[ 70.651400][ T5833] panic+0x349/0x880
[ 70.655295][ T5833] ? check_panic_on_warn+0x21/0xb0
[ 70.660413][ T5833] ? __pfx_panic+0x10/0x10
[ 70.664838][ T5833] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 70.670812][ T5833] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 70.677148][ T5833] ? print_report+0x502/0x550
[ 70.681839][ T5833] check_panic_on_warn+0x86/0xb0
[ 70.686778][ T5833] ? binder_add_device+0x5f/0xa0
[ 70.691704][ T5833] end_report+0x77/0x160
[ 70.695930][ T5833] kasan_report+0x154/0x180
[ 70.700413][ T5833] ? binder_add_device+0x5f/0xa0
[ 70.705341][ T5833] binder_add_device+0x5f/0xa0
[ 70.710092][ T5833] binderfs_binder_device_create+0x7bf/0x9c0
[ 70.716058][ T5833] binderfs_fill_super+0x944/0xd90
[ 70.721168][ T5833] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.726870][ T5833] ? shrinker_register+0x160/0x230
[ 70.731982][ T5833] ? sget_fc+0x909/0x9c0
[ 70.736211][ T5833] ? __pfx_set_anon_super_fc+0x10/0x10
[ 70.741647][ T5833] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.747361][ T5833] get_tree_nodev+0xb7/0x140
[ 70.751938][ T5833] vfs_get_tree+0x90/0x2b0
[ 70.756363][ T5833] do_new_mount+0x2be/0xb40
[ 70.760893][ T5833] ? __pfx_do_new_mount+0x10/0x10
[ 70.765927][ T5833] __se_sys_mount+0x2d6/0x3c0
[ 70.770614][ T5833] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 70.776609][ T5833] ? __pfx___se_sys_mount+0x10/0x10
[ 70.781798][ T5833] ? do_syscall_64+0x100/0x230
[ 70.786566][ T5833] ? __x64_sys_mount+0x20/0xc0
[ 70.791316][ T5833] do_syscall_64+0xf3/0x230
[ 70.795848][ T5833] ? clear_bhb_loop+0x35/0x90
[ 70.800531][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.806419][ T5833] RIP: 0033:0x7fca1db874ca
[ 70.810821][ T5833] 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
[ 70.830435][ T5833] RSP: 002b:00007ffeeaf2a978 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 70.838871][ T5833] RAX: ffffffffffffffda RBX: 00007fca1dc01ecb RCX: 00007fca1db874ca
[ 70.846838][ T5833] RDX: 00007fca1dc0ec27 RSI: 00007fca1dc01ecb RDI: 00007fca1dc0ec27
[ 70.854810][ T5833] RBP: 00007fca1dc020c3 R08: 0000000000000000 R09: 00007ffeeaf2aa20
[ 70.862771][ T5833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fca1dbe41c8
[ 70.870730][ T5833] R13: 00007fca1dbe41a8 R14: 0000000000000009 R15: 0000000000000000
[ 70.878688][ T5833] </TASK>
[ 70.881983][ T5833] Kernel Offset: disabled
[ 70.886362][ T5833] 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-build3836159272=/tmp/go-build -gno-record-gcc-switches'
git status (err=<nil>)
HEAD detached at d3ccff6372
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=d3ccff6372e07c6aabd02b5da419aa6492b5f0ad -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241226-091248'" "-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=\"d3ccff6372e07c6aabd02b5da419aa6492b5f0ad\"
/usr/bin/ld: /tmp/ccfWXT62.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