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 ffff8880320b6c08 by task syz-executor/5849
CPU: 0 UID: 0 PID: 5849 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:
__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: 0033:0x7f5d999874ca
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:00007ffc6384ba48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5d99a01ecb RCX: 00007f5d999874ca
RDX: 00007f5d99a0ec27 RSI: 00007f5d99a01ecb RDI: 00007f5d99a0ec27
RBP: 00007f5d99a020c3 R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d999e41c8
R13: 00007f5d999e41a8 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5843:
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 5843:
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 ffff8880320b6c00
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff8880320b6c00, ffff8880320b6e00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x320b4
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 ffffea0000c82d01 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 13809627132, 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
device_create_groups_vargs drivers/base/core.c:4347 [inline]
device_create_with_groups+0x258/0x2e0 drivers/base/core.c:4427
misc_register+0x3ea/0x670 drivers/char/misc.c:264
qrtr_tun_init+0x16/0x50 net/qrtr/tun.c:160
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:
ffff8880320b6b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8880320b6b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8880320b6c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880320b6c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880320b6d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts.
2025/01/24 10:29:16 ignoring optional flag "sandboxArg"="0"
2025/01/24 10:29:17 parsed 1 programs
[ 66.551390][ T5830] cgroup: Unknown subsys name 'net'
[ 66.668356][ T5830] cgroup: Unknown subsys name 'cpuset'
[ 66.676194][ T5830] cgroup: Unknown subsys name 'rlimit'
[ 67.954941][ T5830] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 70.935004][ T5843] 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.
[ 71.199852][ T5849] ==================================================================
[ 71.207975][ T5849] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 71.215732][ T5849] Write of size 8 at addr ffff8880320b6c08 by task syz-executor/5849
[ 71.223804][ T5849]
[ 71.226161][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #0
[ 71.226180][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 71.226194][ T5849] Call Trace:
[ 71.226201][ T5849]
[ 71.226207][ T5849] dump_stack_lvl+0x241/0x360
[ 71.226230][ T5849] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.226246][ T5849] ? __pfx__printk+0x10/0x10
[ 71.226262][ T5849] ? _printk+0xd5/0x120
[ 71.226275][ T5849] ? __virt_addr_valid+0x183/0x530
[ 71.226296][ T5849] ? __virt_addr_valid+0x183/0x530
[ 71.226317][ T5849] print_report+0x169/0x550
[ 71.226339][ T5849] ? __virt_addr_valid+0x183/0x530
[ 71.226359][ T5849] ? __virt_addr_valid+0x183/0x530
[ 71.226379][ T5849] ? __virt_addr_valid+0x45f/0x530
[ 71.226398][ T5849] ? __phys_addr+0xba/0x170
[ 71.226419][ T5849] ? binder_add_device+0x5f/0xa0
[ 71.226440][ T5849] kasan_report+0x143/0x180
[ 71.226463][ T5849] ? binder_add_device+0x5f/0xa0
[ 71.226486][ T5849] binder_add_device+0x5f/0xa0
[ 71.226506][ T5849] binderfs_binder_device_create+0x7bf/0x9c0
[ 71.226531][ T5849] binderfs_fill_super+0x944/0xd90
[ 71.226555][ T5849] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.226583][ T5849] ? shrinker_register+0x160/0x230
[ 71.226603][ T5849] ? sget_fc+0x909/0x9c0
[ 71.226622][ T5849] ? __pfx_set_anon_super_fc+0x10/0x10
[ 71.226641][ T5849] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.226662][ T5849] get_tree_nodev+0xb7/0x140
[ 71.226681][ T5849] vfs_get_tree+0x90/0x2b0
[ 71.226703][ T5849] do_new_mount+0x2be/0xb40
[ 71.226721][ T5849] ? __pfx_do_new_mount+0x10/0x10
[ 71.226738][ T5849] __se_sys_mount+0x2d6/0x3c0
[ 71.226754][ T5849] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 71.226775][ T5849] ? __pfx___se_sys_mount+0x10/0x10
[ 71.226791][ T5849] ? do_syscall_64+0x100/0x230
[ 71.226809][ T5849] ? __x64_sys_mount+0x20/0xc0
[ 71.226825][ T5849] do_syscall_64+0xf3/0x230
[ 71.226842][ T5849] ? clear_bhb_loop+0x35/0x90
[ 71.226863][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.226891][ T5849] RIP: 0033:0x7f5d999874ca
[ 71.226913][ T5849] 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
[ 71.226925][ T5849] RSP: 002b:00007ffc6384ba48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 71.226942][ T5849] RAX: ffffffffffffffda RBX: 00007f5d99a01ecb RCX: 00007f5d999874ca
[ 71.226954][ T5849] RDX: 00007f5d99a0ec27 RSI: 00007f5d99a01ecb RDI: 00007f5d99a0ec27
[ 71.226965][ T5849] RBP: 00007f5d99a020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 71.226975][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d999e41c8
[ 71.226984][ T5849] R13: 00007f5d999e41a8 R14: 0000000000000009 R15: 0000000000000000
[ 71.227000][ T5849]
[ 71.227006][ T5849]
[ 71.500352][ T5849] Allocated by task 5843:
[ 71.504766][ T5849] kasan_save_track+0x3f/0x80
[ 71.509531][ T5849] __kasan_kmalloc+0x98/0xb0
[ 71.514109][ T5849] __kmalloc_cache_noprof+0x243/0x390
[ 71.519467][ T5849] binderfs_binder_device_create+0x16c/0x9c0
[ 71.525435][ T5849] binderfs_fill_super+0x944/0xd90
[ 71.530537][ T5849] get_tree_nodev+0xb7/0x140
[ 71.535117][ T5849] vfs_get_tree+0x90/0x2b0
[ 71.539524][ T5849] do_new_mount+0x2be/0xb40
[ 71.544008][ T5849] __se_sys_mount+0x2d6/0x3c0
[ 71.548668][ T5849] do_syscall_64+0xf3/0x230
[ 71.553156][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.559038][ T5849]
[ 71.561351][ T5849] Freed by task 5843:
[ 71.565314][ T5849] kasan_save_track+0x3f/0x80
[ 71.569982][ T5849] kasan_save_free_info+0x40/0x50
[ 71.574994][ T5849] __kasan_slab_free+0x59/0x70
[ 71.579744][ T5849] kfree+0x196/0x430
[ 71.583635][ T5849] evict+0x4e8/0x9a0
[ 71.587516][ T5849] __dentry_kill+0x20d/0x630
[ 71.592105][ T5849] shrink_kill+0xa9/0x2c0
[ 71.596429][ T5849] shrink_dentry_list+0x2c0/0x5b0
[ 71.601437][ T5849] shrink_dcache_parent+0xcb/0x3b0
[ 71.606535][ T5849] do_one_tree+0x23/0xe0
[ 71.610762][ T5849] shrink_dcache_for_umount+0xb4/0x180
[ 71.617078][ T5849] generic_shutdown_super+0x6a/0x2d0
[ 71.622354][ T5849] kill_litter_super+0x76/0xb0
[ 71.627123][ T5849] binderfs_kill_super+0x44/0x90
[ 71.632068][ T5849] deactivate_locked_super+0xc4/0x130
[ 71.637426][ T5849] cleanup_mnt+0x41f/0x4b0
[ 71.641831][ T5849] task_work_run+0x24f/0x310
[ 71.646407][ T5849] do_exit+0xa2a/0x28e0
[ 71.650560][ T5849] do_group_exit+0x207/0x2c0
[ 71.655142][ T5849] get_signal+0x16b2/0x1750
[ 71.659632][ T5849] arch_do_signal_or_restart+0x96/0x860
[ 71.665165][ T5849] syscall_exit_to_user_mode+0xce/0x340
[ 71.670698][ T5849] do_syscall_64+0x100/0x230
[ 71.675287][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.681189][ T5849]
[ 71.683505][ T5849] The buggy address belongs to the object at ffff8880320b6c00
[ 71.683505][ T5849] which belongs to the cache kmalloc-512 of size 512
[ 71.697647][ T5849] The buggy address is located 8 bytes inside of
[ 71.697647][ T5849] freed 512-byte region [ffff8880320b6c00, ffff8880320b6e00)
[ 71.711358][ T5849]
[ 71.713769][ T5849] The buggy address belongs to the physical page:
[ 71.720190][ T5849] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x320b4
[ 71.728966][ T5849] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 71.737633][ T5849] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[ 71.745607][ T5849] page_type: f5(slab)
[ 71.749576][ T5849] raw: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[ 71.758145][ T5849] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 71.766717][ T5849] head: 00fff00000000040 ffff88801ac41c80 0000000000000000 dead000000000001
[ 71.775386][ T5849] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 71.784039][ T5849] head: 00fff00000000002 ffffea0000c82d01 ffffffffffffffff 0000000000000000
[ 71.792876][ T5849] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 71.801838][ T5849] page dumped because: kasan: bad access detected
[ 71.808238][ T5849] page_owner tracks the page as allocated
[ 71.814107][ T5849] 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 13809627132, free_ts 0
[ 71.833797][ T5849] post_alloc_hook+0x1f4/0x240
[ 71.838553][ T5849] get_page_from_freelist+0x365c/0x37a0
[ 71.844091][ T5849] __alloc_frozen_pages_noprof+0x292/0x710
[ 71.849902][ T5849] alloc_pages_mpol+0x311/0x660
[ 71.854747][ T5849] allocate_slab+0x8f/0x3a0
[ 71.859263][ T5849] ___slab_alloc+0xc27/0x14a0
[ 71.863948][ T5849] __slab_alloc+0x58/0xa0
[ 71.868289][ T5849] __kmalloc_cache_noprof+0x27b/0x390
[ 71.873659][ T5849] device_add+0xc1/0xbf0
[ 71.877896][ T5849] device_create_with_groups+0x258/0x2e0
[ 71.883518][ T5849] misc_register+0x3ea/0x670
[ 71.888182][ T5849] qrtr_tun_init+0x16/0x50
[ 71.892616][ T5849] do_one_initcall+0x248/0x870
[ 71.897385][ T5849] do_initcall_level+0x157/0x210
[ 71.902338][ T5849] do_initcalls+0x3f/0x80
[ 71.906718][ T5849] kernel_init_freeable+0x435/0x5d0
[ 71.911911][ T5849] page_owner free stack trace missing
[ 71.917357][ T5849]
[ 71.919669][ T5849] Memory state around the buggy address:
[ 71.925282][ T5849] ffff8880320b6b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 71.933330][ T5849] ffff8880320b6b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 71.941420][ T5849] >ffff8880320b6c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.949466][ T5849] ^
[ 71.953782][ T5849] ffff8880320b6c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.961919][ T5849] ffff8880320b6d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.969963][ T5849] ==================================================================
[ 71.987178][ T1296] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.994357][ T1296] ieee802154 phy1 wpan1: encryption failed: -22
[ 72.004005][ T5849] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 72.011291][ T5849] CPU: 0 UID: 0 PID: 5849 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #0
[ 72.023029][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 72.033107][ T5849] Call Trace:
[ 72.036404][ T5849]
[ 72.039354][ T5849] dump_stack_lvl+0x241/0x360
[ 72.044057][ T5849] ? __pfx_dump_stack_lvl+0x10/0x10
[ 72.049251][ T5849] ? __pfx__printk+0x10/0x10
[ 72.053918][ T5849] ? preempt_schedule+0xe1/0xf0
[ 72.058766][ T5849] ? vscnprintf+0x5d/0x90
[ 72.063194][ T5849] panic+0x349/0x880
[ 72.067095][ T5849] ? check_panic_on_warn+0x21/0xb0
[ 72.072235][ T5849] ? __pfx_panic+0x10/0x10
[ 72.076693][ T5849] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 72.082689][ T5849] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 72.089040][ T5849] ? print_report+0x502/0x550
[ 72.093843][ T5849] check_panic_on_warn+0x86/0xb0
[ 72.098775][ T5849] ? binder_add_device+0x5f/0xa0
[ 72.103720][ T5849] end_report+0x77/0x160
[ 72.107961][ T5849] kasan_report+0x154/0x180
[ 72.112464][ T5849] ? binder_add_device+0x5f/0xa0
[ 72.117400][ T5849] binder_add_device+0x5f/0xa0
[ 72.122157][ T5849] binderfs_binder_device_create+0x7bf/0x9c0
[ 72.128136][ T5849] binderfs_fill_super+0x944/0xd90
[ 72.133238][ T5849] ? __pfx_binderfs_fill_super+0x10/0x10
[ 72.138867][ T5849] ? shrinker_register+0x160/0x230
[ 72.143969][ T5849] ? sget_fc+0x909/0x9c0
[ 72.148206][ T5849] ? __pfx_set_anon_super_fc+0x10/0x10
[ 72.153657][ T5849] ? __pfx_binderfs_fill_super+0x10/0x10
[ 72.159280][ T5849] get_tree_nodev+0xb7/0x140
[ 72.163866][ T5849] vfs_get_tree+0x90/0x2b0
[ 72.168280][ T5849] do_new_mount+0x2be/0xb40
[ 72.172772][ T5849] ? __pfx_do_new_mount+0x10/0x10
[ 72.177795][ T5849] __se_sys_mount+0x2d6/0x3c0
[ 72.182484][ T5849] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 72.188467][ T5849] ? __pfx___se_sys_mount+0x10/0x10
[ 72.193759][ T5849] ? do_syscall_64+0x100/0x230
[ 72.198618][ T5849] ? __x64_sys_mount+0x20/0xc0
[ 72.203393][ T5849] do_syscall_64+0xf3/0x230
[ 72.207895][ T5849] ? clear_bhb_loop+0x35/0x90
[ 72.212593][ T5849] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.218503][ T5849] RIP: 0033:0x7f5d999874ca
[ 72.222913][ T5849] 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
[ 72.242775][ T5849] RSP: 002b:00007ffc6384ba48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 72.251177][ T5849] RAX: ffffffffffffffda RBX: 00007f5d99a01ecb RCX: 00007f5d999874ca
[ 72.259143][ T5849] RDX: 00007f5d99a0ec27 RSI: 00007f5d99a01ecb RDI: 00007f5d99a0ec27
[ 72.267114][ T5849] RBP: 00007f5d99a020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 72.275070][ T5849] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d999e41c8
[ 72.283026][ T5849] R13: 00007f5d999e41a8 R14: 0000000000000009 R15: 0000000000000000
[ 72.290990][ T5849]
[ 72.294266][ T5849] Kernel Offset: disabled
[ 72.298575][ T5849] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=)
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-build233621543=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
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/ccscDX9F.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