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 ffff88814d417408 by task syz-executor/5852
CPU: 1 UID: 0 PID: 5852 Comm: syz-executor Not tainted 6.13.0-rc6-next-20250110-syzkaller-g2b88851f583d-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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: 0033:0x7fbe9df874ca
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:00007ffe8c95a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbe9e001ecb RCX: 00007fbe9df874ca
RDX: 00007fbe9e00ec27 RSI: 00007fbe9e001ecb RDI: 00007fbe9e00ec27
RBP: 00007fbe9e0020c3 R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbe9dfe41c8
R13: 00007fbe9dfe41a8 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5842:
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:895 [inline]
kzalloc_noprof include/linux/slab.h:1031 [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 5842:
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
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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
The buggy address belongs to the object at ffff88814d417400
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff88814d417400, ffff88814d417600)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14d414
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 ffffea00051aca00 dead000000000002
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000040 ffff88801ac41c80 ffffea00051aca00 dead000000000002
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000002 ffffea0005350501 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 14278460266, 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]
__do_kmalloc_node mm/slub.c:4293 [inline]
__kmalloc_noprof+0x2e6/0x4c0 mm/slub.c:4306
kmalloc_noprof include/linux/slab.h:899 [inline]
kzalloc_noprof include/linux/slab.h:1031 [inline]
ops_init+0x75/0x590 net/core/net_namespace.c:128
__register_pernet_operations net/core/net_namespace.c:1267 [inline]
register_pernet_operations+0x30d/0x630 net/core/net_namespace.c:1343
register_pernet_device+0x33/0x80 net/core/net_namespace.c:1430
kcm_init+0x21a/0x2f0 net/kcm/kcmsock.c:1894
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:
ffff88814d417300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88814d417380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88814d417400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88814d417480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88814d417500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.1.39' (ED25519) to the list of known hosts.
2025/01/12 02:04:36 ignoring optional flag "sandboxArg"="0"
2025/01/12 02:04:37 parsed 1 programs
[ 65.713765][ T5830] cgroup: Unknown subsys name 'net'
[ 65.818359][ T5830] cgroup: Unknown subsys name 'cpuset'
[ 65.826115][ T5830] cgroup: Unknown subsys name 'rlimit'
[ 67.112683][ T5830] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 69.916938][ T1795] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 69.932640][ T1795] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 69.950227][ 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.
[ 69.994445][ T63] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 70.006076][ T63] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 70.118741][ T5852] ==================================================================
[ 70.126850][ T5852] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 70.134622][ T5852] Write of size 8 at addr ffff88814d417408 by task syz-executor/5852
[ 70.142706][ T5852]
[ 70.145069][ T5852] CPU: 1 UID: 0 PID: 5852 Comm: syz-executor Not tainted 6.13.0-rc6-next-20250110-syzkaller-g2b88851f583d-dirty #0
[ 70.145097][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 70.145111][ T5852] Call Trace:
[ 70.145117][ T5852]
[ 70.145124][ T5852] dump_stack_lvl+0x241/0x360
[ 70.145147][ T5852] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.145161][ T5852] ? __pfx__printk+0x10/0x10
[ 70.145183][ T5852] ? _printk+0xd5/0x120
[ 70.145203][ T5852] ? __virt_addr_valid+0x183/0x530
[ 70.145224][ T5852] ? __virt_addr_valid+0x183/0x530
[ 70.145245][ T5852] print_report+0x169/0x550
[ 70.145265][ T5852] ? __virt_addr_valid+0x183/0x530
[ 70.145282][ T5852] ? __virt_addr_valid+0x183/0x530
[ 70.145299][ T5852] ? __virt_addr_valid+0x45f/0x530
[ 70.145316][ T5852] ? __phys_addr+0xba/0x170
[ 70.145335][ T5852] ? binder_add_device+0x5f/0xa0
[ 70.145353][ T5852] kasan_report+0x143/0x180
[ 70.145373][ T5852] ? binder_add_device+0x5f/0xa0
[ 70.145393][ T5852] binder_add_device+0x5f/0xa0
[ 70.145411][ T5852] binderfs_binder_device_create+0x7bf/0x9c0
[ 70.145432][ T5852] binderfs_fill_super+0x944/0xd90
[ 70.145452][ T5852] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.145479][ T5852] ? shrinker_register+0x160/0x230
[ 70.145496][ T5852] ? sget_fc+0x909/0x9c0
[ 70.145513][ T5852] ? __pfx_set_anon_super_fc+0x10/0x10
[ 70.145531][ T5852] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.145550][ T5852] get_tree_nodev+0xb7/0x140
[ 70.145570][ T5852] vfs_get_tree+0x90/0x2b0
[ 70.145590][ T5852] do_new_mount+0x2be/0xb40
[ 70.145607][ T5852] ? __pfx_do_new_mount+0x10/0x10
[ 70.145625][ T5852] __se_sys_mount+0x2d6/0x3c0
[ 70.145640][ T5852] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 70.145660][ T5852] ? __pfx___se_sys_mount+0x10/0x10
[ 70.145674][ T5852] ? do_syscall_64+0x100/0x230
[ 70.145691][ T5852] ? __x64_sys_mount+0x20/0xc0
[ 70.145706][ T5852] do_syscall_64+0xf3/0x230
[ 70.145720][ T5852] ? clear_bhb_loop+0x35/0x90
[ 70.145741][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.145766][ T5852] RIP: 0033:0x7fbe9df874ca
[ 70.145784][ T5852] 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
[ 70.145797][ T5852] RSP: 002b:00007ffe8c95a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 70.145815][ T5852] RAX: ffffffffffffffda RBX: 00007fbe9e001ecb RCX: 00007fbe9df874ca
[ 70.145826][ T5852] RDX: 00007fbe9e00ec27 RSI: 00007fbe9e001ecb RDI: 00007fbe9e00ec27
[ 70.145837][ T5852] RBP: 00007fbe9e0020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 70.145845][ T5852] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbe9dfe41c8
[ 70.145854][ T5852] R13: 00007fbe9dfe41a8 R14: 0000000000000009 R15: 0000000000000000
[ 70.145870][ T5852]
[ 70.145875][ T5852]
[ 70.420660][ T5852] Allocated by task 5842:
[ 70.424987][ T5852] kasan_save_track+0x3f/0x80
[ 70.429661][ T5852] __kasan_kmalloc+0x98/0xb0
[ 70.434242][ T5852] __kmalloc_cache_noprof+0x243/0x390
[ 70.439600][ T5852] binderfs_binder_device_create+0x16c/0x9c0
[ 70.445569][ T5852] binderfs_fill_super+0x944/0xd90
[ 70.450669][ T5852] get_tree_nodev+0xb7/0x140
[ 70.455255][ T5852] vfs_get_tree+0x90/0x2b0
[ 70.459671][ T5852] do_new_mount+0x2be/0xb40
[ 70.464247][ T5852] __se_sys_mount+0x2d6/0x3c0
[ 70.469098][ T5852] do_syscall_64+0xf3/0x230
[ 70.473614][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.479525][ T5852]
[ 70.482036][ T5852] Freed by task 5842:
[ 70.486218][ T5852] kasan_save_track+0x3f/0x80
[ 70.490899][ T5852] kasan_save_free_info+0x40/0x50
[ 70.495916][ T5852] __kasan_slab_free+0x59/0x70
[ 70.500672][ T5852] kfree+0x196/0x430
[ 70.504553][ T5852] evict+0x4e8/0x9a0
[ 70.508436][ T5852] __dentry_kill+0x20d/0x630
[ 70.513013][ T5852] shrink_kill+0xa9/0x2c0
[ 70.517329][ T5852] shrink_dentry_list+0x2c0/0x5b0
[ 70.522355][ T5852] shrink_dcache_parent+0xcb/0x3b0
[ 70.527479][ T5852] do_one_tree+0x23/0xe0
[ 70.531729][ T5852] shrink_dcache_for_umount+0xb4/0x180
[ 70.537181][ T5852] generic_shutdown_super+0x6a/0x2d0
[ 70.542629][ T5852] kill_litter_super+0x76/0xb0
[ 70.547378][ T5852] binderfs_kill_super+0x44/0x90
[ 70.552304][ T5852] deactivate_locked_super+0xc4/0x130
[ 70.557664][ T5852] cleanup_mnt+0x41f/0x4b0
[ 70.562066][ T5852] task_work_run+0x24f/0x310
[ 70.566647][ T5852] do_exit+0xa2a/0x28e0
[ 70.570801][ T5852] do_group_exit+0x207/0x2c0
[ 70.575387][ T5852] __x64_sys_exit_group+0x3f/0x40
[ 70.580410][ T5852] x64_sys_call+0x26a8/0x26b0
[ 70.585092][ T5852] do_syscall_64+0xf3/0x230
[ 70.589590][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.595612][ T5852]
[ 70.597920][ T5852] The buggy address belongs to the object at ffff88814d417400
[ 70.597920][ T5852] which belongs to the cache kmalloc-512 of size 512
[ 70.612220][ T5852] The buggy address is located 8 bytes inside of
[ 70.612220][ T5852] freed 512-byte region [ffff88814d417400, ffff88814d417600)
[ 70.625931][ T5852]
[ 70.628249][ T5852] The buggy address belongs to the physical page:
[ 70.635009][ T5852] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14d414
[ 70.644053][ T5852] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 70.652545][ T5852] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
[ 70.660344][ T5852] page_type: f5(slab)
[ 70.664420][ T5852] raw: 057ff00000000040 ffff88801ac41c80 ffffea00051aca00 dead000000000002
[ 70.672994][ T5852] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 70.681567][ T5852] head: 057ff00000000040 ffff88801ac41c80 ffffea00051aca00 dead000000000002
[ 70.690233][ T5852] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 70.698889][ T5852] head: 057ff00000000002 ffffea0005350501 ffffffffffffffff 0000000000000000
[ 70.707542][ T5852] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 70.716195][ T5852] page dumped because: kasan: bad access detected
[ 70.722603][ T5852] page_owner tracks the page as allocated
[ 70.728390][ T5852] 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 14278460266, free_ts 0
[ 70.748169][ T5852] post_alloc_hook+0x1f4/0x240
[ 70.752929][ T5852] get_page_from_freelist+0x365c/0x37a0
[ 70.758467][ T5852] __alloc_frozen_pages_noprof+0x292/0x710
[ 70.764261][ T5852] alloc_pages_mpol+0x311/0x660
[ 70.769206][ T5852] allocate_slab+0x8f/0x3a0
[ 70.773709][ T5852] ___slab_alloc+0xc27/0x14a0
[ 70.778383][ T5852] __slab_alloc+0x58/0xa0
[ 70.782700][ T5852] __kmalloc_noprof+0x2e6/0x4c0
[ 70.787538][ T5852] ops_init+0x75/0x590
[ 70.791598][ T5852] register_pernet_operations+0x30d/0x630
[ 70.797331][ T5852] register_pernet_device+0x33/0x80
[ 70.802543][ T5852] kcm_init+0x21a/0x2f0
[ 70.806693][ T5852] do_one_initcall+0x248/0x870
[ 70.811446][ T5852] do_initcall_level+0x157/0x210
[ 70.816382][ T5852] do_initcalls+0x3f/0x80
[ 70.820874][ T5852] kernel_init_freeable+0x435/0x5d0
[ 70.826066][ T5852] page_owner free stack trace missing
[ 70.831432][ T5852]
[ 70.833754][ T5852] Memory state around the buggy address:
[ 70.839372][ T5852] ffff88814d417300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 70.847420][ T5852] ffff88814d417380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 70.855468][ T5852] >ffff88814d417400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.863512][ T5852] ^
[ 70.867824][ T5852] ffff88814d417480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.875908][ T5852] ffff88814d417500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.884657][ T5852] ==================================================================
[ 70.921510][ T5852] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 70.928745][ T5852] CPU: 1 UID: 0 PID: 5852 Comm: syz-executor Not tainted 6.13.0-rc6-next-20250110-syzkaller-g2b88851f583d-dirty #0
[ 70.940823][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 70.951001][ T5852] Call Trace:
[ 70.954299][ T5852]
[ 70.957251][ T5852] dump_stack_lvl+0x241/0x360
[ 70.961951][ T5852] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.967257][ T5852] ? __pfx__printk+0x10/0x10
[ 70.971876][ T5852] ? preempt_schedule+0xe1/0xf0
[ 70.976763][ T5852] ? vscnprintf+0x5d/0x90
[ 70.981200][ T5852] panic+0x349/0x880
[ 70.985119][ T5852] ? check_panic_on_warn+0x21/0xb0
[ 70.990292][ T5852] ? __pfx_panic+0x10/0x10
[ 70.994725][ T5852] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 71.000729][ T5852] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 71.007429][ T5852] ? print_report+0x502/0x550
[ 71.012146][ T5852] check_panic_on_warn+0x86/0xb0
[ 71.017293][ T5852] ? binder_add_device+0x5f/0xa0
[ 71.022263][ T5852] end_report+0x77/0x160
[ 71.026795][ T5852] kasan_report+0x154/0x180
[ 71.031347][ T5852] ? binder_add_device+0x5f/0xa0
[ 71.036321][ T5852] binder_add_device+0x5f/0xa0
[ 71.041110][ T5852] binderfs_binder_device_create+0x7bf/0x9c0
[ 71.047216][ T5852] binderfs_fill_super+0x944/0xd90
[ 71.052455][ T5852] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.058125][ T5852] ? shrinker_register+0x160/0x230
[ 71.063266][ T5852] ? sget_fc+0x909/0x9c0
[ 71.067538][ T5852] ? __pfx_set_anon_super_fc+0x10/0x10
[ 71.073031][ T5852] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.078700][ T5852] get_tree_nodev+0xb7/0x140
[ 71.083320][ T5852] vfs_get_tree+0x90/0x2b0
[ 71.087766][ T5852] do_new_mount+0x2be/0xb40
[ 71.092295][ T5852] ? __pfx_do_new_mount+0x10/0x10
[ 71.097414][ T5852] __se_sys_mount+0x2d6/0x3c0
[ 71.102157][ T5852] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 71.108164][ T5852] ? __pfx___se_sys_mount+0x10/0x10
[ 71.113509][ T5852] ? do_syscall_64+0x100/0x230
[ 71.118306][ T5852] ? __x64_sys_mount+0x20/0xc0
[ 71.123096][ T5852] do_syscall_64+0xf3/0x230
[ 71.127627][ T5852] ? clear_bhb_loop+0x35/0x90
[ 71.132332][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.138342][ T5852] RIP: 0033:0x7fbe9df874ca
[ 71.142750][ T5852] 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
[ 71.162427][ T5852] RSP: 002b:00007ffe8c95a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 71.170832][ T5852] RAX: ffffffffffffffda RBX: 00007fbe9e001ecb RCX: 00007fbe9df874ca
[ 71.178810][ T5852] RDX: 00007fbe9e00ec27 RSI: 00007fbe9e001ecb RDI: 00007fbe9e00ec27
[ 71.186778][ T5852] RBP: 00007fbe9e0020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 71.194730][ T5852] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbe9dfe41c8
[ 71.202697][ T5852] R13: 00007fbe9dfe41a8 R14: 0000000000000009 R15: 0000000000000000
[ 71.210939][ T5852]
[ 71.214271][ T5852] Kernel Offset: disabled
[ 71.218610][ T5852] 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-build4079523737=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at 6dbc6a9bc
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/cc9IC3Dw.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