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 ffff888026e1bc08 by task syz-executor/5716
CPU: 1 UID: 0 PID: 5716 Comm: syz-executor Not tainted 6.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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:408 [inline]
print_report+0x16e/0x5b0 mm/kasan/report.c:521
kasan_report+0x143/0x180 mm/kasan/report.c:634
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+0x90/0x290 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+0x82/0x160 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f6252f8e58a
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:00007fff899ca208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f625300e663 RCX: 00007f6252f8e58a
RDX: 00007f625301dda7 RSI: 00007f625300e663 RDI: 00007f625301dda7
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6253028480
R13: 00007fff899ca288 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5711:
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+0x7d/0x90 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x23e/0x360 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+0x90/0x290 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+0x82/0x160 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Freed by task 5711:
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+0x36/0x50 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+0x181/0x430 mm/slub.c:4757
evict+0x4e8/0x9a0 fs/inode.c:796
__dentry_kill+0x200/0x610 fs/dcache.c:643
shrink_kill+0xa9/0x2c0 fs/dcache.c:1088
shrink_dentry_list+0x2c0/0x5b0 fs/dcache.c:1115
shrink_dcache_parent+0xcb/0x3b0
do_one_tree+0x23/0xe0 fs/dcache.c:1578
shrink_dcache_for_umount+0xb4/0x180 fs/dcache.c:1595
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+0xc4/0x120 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/0x28d0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a6/0x1740 kernel/signal.c:3036
arch_do_signal_or_restart+0x96/0x830 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+0xcd/0x330 kernel/entry/common.c:218
do_syscall_64+0x8e/0x160 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
The buggy address belongs to the object at ffff888026e1bc00
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888026e1bc00, ffff888026e1be00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26e18
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801a041c80 ffffea00009f9400 dead000000000002
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801a041c80 ffffea00009f9400 dead000000000002
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000002 ffffea00009b8601 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 11463354834, free_ts 0
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1ec/0x220 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x3607/0x3750 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x256/0x690 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+0xc35/0x14a0 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+0x276/0x360 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+0xc4/0xd10 drivers/base/core.c:3561
usb_create_ep_devs+0x130/0x230 drivers/usb/core/endpoint.c:170
usb_new_device+0x1168/0x19a0 drivers/usb/core/hub.c:2693
register_root_hub+0x25c/0x550 drivers/usb/core/hcd.c:994
usb_add_hcd+0xb49/0x1110 drivers/usb/core/hcd.c:2976
dummy_hcd_probe+0x158/0x2b0 drivers/usb/gadget/udc/dummy_hcd.c:2695
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:
ffff888026e1bb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888026e1bb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888026e1bc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888026e1bc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888026e1bd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts.
2025/02/25 10:51:28 ignoring optional flag "sandboxArg"="0"
2025/02/25 10:51:30 parsed 1 programs
[ 74.042823][ T5705] cgroup: Unknown subsys name 'net'
[ 74.184484][ T5705] cgroup: Unknown subsys name 'cpuset'
[ 74.193324][ T5705] cgroup: Unknown subsys name 'rlimit'
[ 74.198955][ T5705] cgroup: Unknown subsys name 'memory'
[ 75.662419][ T5705] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 78.266282][ T5716] ==================================================================
[ 78.274376][ T5716] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 78.282108][ T5716] Write of size 8 at addr ffff888026e1bc08 by task syz-executor/5716
[ 78.290163][ T5716]
[ 78.292494][ T5716] CPU: 1 UID: 0 PID: 5716 Comm: syz-executor Not tainted 6.14.0-rc4-syzkaller #0
[ 78.292510][ T5716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 78.292523][ T5716] Call Trace:
[ 78.292530][ T5716]
[ 78.292536][ T5716] dump_stack_lvl+0x241/0x360
[ 78.292555][ T5716] ? __pfx_dump_stack_lvl+0x10/0x10
[ 78.292571][ T5716] ? __pfx__printk+0x10/0x10
[ 78.292587][ T5716] ? _printk+0xd5/0x120
[ 78.292601][ T5716] ? __virt_addr_valid+0x183/0x530
[ 78.292620][ T5716] ? __virt_addr_valid+0x183/0x530
[ 78.292638][ T5716] print_report+0x16e/0x5b0
[ 78.292659][ T5716] ? __virt_addr_valid+0x183/0x530
[ 78.292676][ T5716] ? __virt_addr_valid+0x183/0x530
[ 78.292694][ T5716] ? __virt_addr_valid+0x45f/0x530
[ 78.292711][ T5716] ? __phys_addr+0xba/0x170
[ 78.292728][ T5716] ? binder_add_device+0x5f/0xa0
[ 78.292744][ T5716] kasan_report+0x143/0x180
[ 78.292765][ T5716] ? binder_add_device+0x5f/0xa0
[ 78.292783][ T5716] binder_add_device+0x5f/0xa0
[ 78.292799][ T5716] binderfs_binder_device_create+0x7bf/0x9c0
[ 78.292818][ T5716] binderfs_fill_super+0x944/0xd90
[ 78.292835][ T5716] ? __pfx_binderfs_fill_super+0x10/0x10
[ 78.292858][ T5716] ? shrinker_register+0x160/0x230
[ 78.292877][ T5716] ? sget_fc+0x909/0x9c0
[ 78.292899][ T5716] ? __pfx_set_anon_super_fc+0x10/0x10
[ 78.292913][ T5716] ? __pfx_binderfs_fill_super+0x10/0x10
[ 78.292928][ T5716] get_tree_nodev+0xb7/0x140
[ 78.292943][ T5716] vfs_get_tree+0x90/0x290
[ 78.292960][ T5716] do_new_mount+0x2be/0xb40
[ 78.292979][ T5716] ? __pfx_do_new_mount+0x10/0x10
[ 78.293000][ T5716] __se_sys_mount+0x2d6/0x3c0
[ 78.293018][ T5716] ? lockdep_hardirqs_on_prepare+0x43d/0x7a0
[ 78.293038][ T5716] ? __pfx___se_sys_mount+0x10/0x10
[ 78.293057][ T5716] ? __x64_sys_mount+0x20/0xc0
[ 78.293075][ T5716] do_syscall_64+0x82/0x160
[ 78.293091][ T5716] ? clear_bhb_loop+0x25/0x80
[ 78.293112][ T5716] ? clear_bhb_loop+0x25/0x80
[ 78.293133][ T5716] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 78.293160][ T5716] RIP: 0033:0x7f6252f8e58a
[ 78.293176][ T5716] 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
[ 78.293188][ T5716] RSP: 002b:00007fff899ca208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 78.293209][ T5716] RAX: ffffffffffffffda RBX: 00007f625300e663 RCX: 00007f6252f8e58a
[ 78.293220][ T5716] RDX: 00007f625301dda7 RSI: 00007f625300e663 RDI: 00007f625301dda7
[ 78.293230][ T5716] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 78.293239][ T5716] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6253028480
[ 78.293248][ T5716] R13: 00007fff899ca288 R14: 0000000000000009 R15: 0000000000000000
[ 78.293263][ T5716]
[ 78.293268][ T5716]
[ 78.564201][ T5716] Allocated by task 5711:
[ 78.568523][ T5716] kasan_save_track+0x3f/0x80
[ 78.573201][ T5716] __kasan_kmalloc+0x7d/0x90
[ 78.578224][ T5716] __kmalloc_cache_noprof+0x23e/0x360
[ 78.583588][ T5716] binderfs_binder_device_create+0x16c/0x9c0
[ 78.589565][ T5716] binderfs_fill_super+0x944/0xd90
[ 78.594672][ T5716] get_tree_nodev+0xb7/0x140
[ 78.599264][ T5716] vfs_get_tree+0x90/0x290
[ 78.603673][ T5716] do_new_mount+0x2be/0xb40
[ 78.608221][ T5716] __se_sys_mount+0x2d6/0x3c0
[ 78.612912][ T5716] do_syscall_64+0x82/0x160
[ 78.617417][ T5716] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 78.623330][ T5716]
[ 78.625664][ T5716] Freed by task 5711:
[ 78.629643][ T5716] kasan_save_track+0x3f/0x80
[ 78.634326][ T5716] kasan_save_free_info+0x40/0x50
[ 78.639373][ T5716] __kasan_slab_free+0x36/0x50
[ 78.644147][ T5716] kfree+0x181/0x430
[ 78.648061][ T5716] evict+0x4e8/0x9a0
[ 78.651978][ T5716] __dentry_kill+0x200/0x610
[ 78.656575][ T5716] shrink_kill+0xa9/0x2c0
[ 78.660952][ T5716] shrink_dentry_list+0x2c0/0x5b0
[ 78.666086][ T5716] shrink_dcache_parent+0xcb/0x3b0
[ 78.671231][ T5716] do_one_tree+0x23/0xe0
[ 78.675480][ T5716] shrink_dcache_for_umount+0xb4/0x180
[ 78.680943][ T5716] generic_shutdown_super+0x6a/0x2d0
[ 78.686229][ T5716] kill_litter_super+0x76/0xb0
[ 78.690991][ T5716] binderfs_kill_super+0x44/0x90
[ 78.695923][ T5716] deactivate_locked_super+0xc4/0x120
[ 78.701297][ T5716] cleanup_mnt+0x41f/0x4b0
[ 78.705713][ T5716] task_work_run+0x24f/0x310
[ 78.710301][ T5716] do_exit+0xa2a/0x28d0
[ 78.714478][ T5716] do_group_exit+0x207/0x2c0
[ 78.719069][ T5716] get_signal+0x16a6/0x1740
[ 78.723582][ T5716] arch_do_signal_or_restart+0x96/0x830
[ 78.729141][ T5716] syscall_exit_to_user_mode+0xcd/0x330
[ 78.734696][ T5716] do_syscall_64+0x8e/0x160
[ 78.739213][ T5716] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 78.745106][ T5716]
[ 78.747440][ T5716] The buggy address belongs to the object at ffff888026e1bc00
[ 78.747440][ T5716] which belongs to the cache kmalloc-512 of size 512
[ 78.761496][ T5716] The buggy address is located 8 bytes inside of
[ 78.761496][ T5716] freed 512-byte region [ffff888026e1bc00, ffff888026e1be00)
[ 78.775110][ T5716]
[ 78.777437][ T5716] The buggy address belongs to the physical page:
[ 78.783846][ T5716] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26e18
[ 78.792600][ T5716] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 78.801097][ T5716] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[ 78.808649][ T5716] page_type: f5(slab)
[ 78.812632][ T5716] raw: 00fff00000000040 ffff88801a041c80 ffffea00009f9400 dead000000000002
[ 78.821206][ T5716] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 78.829782][ T5716] head: 00fff00000000040 ffff88801a041c80 ffffea00009f9400 dead000000000002
[ 78.838441][ T5716] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 78.847115][ T5716] head: 00fff00000000002 ffffea00009b8601 ffffffffffffffff 0000000000000000
[ 78.855789][ T5716] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 78.864466][ T5716] page dumped because: kasan: bad access detected
[ 78.870982][ T5716] page_owner tracks the page as allocated
[ 78.876705][ T5716] 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 11463354834, free_ts 0
[ 78.896440][ T5716] post_alloc_hook+0x1ec/0x220
[ 78.901211][ T5716] get_page_from_freelist+0x3607/0x3750
[ 78.906854][ T5716] __alloc_frozen_pages_noprof+0x256/0x690
[ 78.912669][ T5716] alloc_pages_mpol+0x311/0x660
[ 78.917533][ T5716] allocate_slab+0x8f/0x3a0
[ 78.922040][ T5716] ___slab_alloc+0xc35/0x14a0
[ 78.926721][ T5716] __slab_alloc+0x58/0xa0
[ 78.931056][ T5716] __kmalloc_cache_noprof+0x276/0x360
[ 78.936445][ T5716] device_add+0xc4/0xd10
[ 78.940698][ T5716] usb_create_ep_devs+0x130/0x230
[ 78.945732][ T5716] usb_new_device+0x1168/0x19a0
[ 78.950582][ T5716] register_root_hub+0x25c/0x550
[ 78.955526][ T5716] usb_add_hcd+0xb49/0x1110
[ 78.960034][ T5716] dummy_hcd_probe+0x158/0x2b0
[ 78.964797][ T5716] platform_probe+0x13a/0x1c0
[ 78.969484][ T5716] really_probe+0x2b9/0xad0
[ 78.974010][ T5716] page_owner free stack trace missing
[ 78.979366][ T5716]
[ 78.981679][ T5716] Memory state around the buggy address:
[ 78.987311][ T5716] ffff888026e1bb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 78.995365][ T5716] ffff888026e1bb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 79.003427][ T5716] >ffff888026e1bc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 79.011910][ T5716] ^
[ 79.016223][ T5716] ffff888026e1bc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 79.024273][ T5716] ffff888026e1bd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 79.032344][ T5716] ==================================================================
[ 79.041426][ T5716] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 79.048663][ T5716] CPU: 0 UID: 0 PID: 5716 Comm: syz-executor Not tainted 6.14.0-rc4-syzkaller #0
[ 79.057785][ T5716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 79.067875][ T5716] Call Trace:
[ 79.071156][ T5716]
[ 79.074102][ T5716] dump_stack_lvl+0x241/0x360
[ 79.078777][ T5716] ? __pfx_dump_stack_lvl+0x10/0x10
[ 79.083975][ T5716] ? __pfx__printk+0x10/0x10
[ 79.088582][ T5716] ? preempt_schedule+0xe1/0xf0
[ 79.093481][ T5716] ? vscnprintf+0x5d/0x90
[ 79.097813][ T5716] panic+0x349/0x880
[ 79.101706][ T5716] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 79.107953][ T5716] ? check_panic_on_warn+0x21/0xb0
[ 79.113066][ T5716] ? __pfx_panic+0x10/0x10
[ 79.117479][ T5716] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 79.123460][ T5716] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 79.129789][ T5716] ? print_report+0x519/0x5b0
[ 79.134470][ T5716] check_panic_on_warn+0x86/0xb0
[ 79.139416][ T5716] ? binder_add_device+0x5f/0xa0
[ 79.144350][ T5716] end_report+0x77/0x150
[ 79.148596][ T5716] kasan_report+0x154/0x180
[ 79.153117][ T5716] ? binder_add_device+0x5f/0xa0
[ 79.158050][ T5716] binder_add_device+0x5f/0xa0
[ 79.162812][ T5716] binderfs_binder_device_create+0x7bf/0x9c0
[ 79.168840][ T5716] binderfs_fill_super+0x944/0xd90
[ 79.173963][ T5716] ? __pfx_binderfs_fill_super+0x10/0x10
[ 79.179664][ T5716] ? shrinker_register+0x160/0x230
[ 79.184779][ T5716] ? sget_fc+0x909/0x9c0
[ 79.189028][ T5716] ? __pfx_set_anon_super_fc+0x10/0x10
[ 79.194481][ T5716] ? __pfx_binderfs_fill_super+0x10/0x10
[ 79.200109][ T5716] get_tree_nodev+0xb7/0x140
[ 79.204700][ T5716] vfs_get_tree+0x90/0x290
[ 79.209116][ T5716] do_new_mount+0x2be/0xb40
[ 79.213618][ T5716] ? __pfx_do_new_mount+0x10/0x10
[ 79.218643][ T5716] __se_sys_mount+0x2d6/0x3c0
[ 79.223320][ T5716] ? lockdep_hardirqs_on_prepare+0x43d/0x7a0
[ 79.229307][ T5716] ? __pfx___se_sys_mount+0x10/0x10
[ 79.234509][ T5716] ? __x64_sys_mount+0x20/0xc0
[ 79.239330][ T5716] do_syscall_64+0x82/0x160
[ 79.243835][ T5716] ? clear_bhb_loop+0x25/0x80
[ 79.248511][ T5716] ? clear_bhb_loop+0x25/0x80
[ 79.253291][ T5716] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 79.259184][ T5716] RIP: 0033:0x7f6252f8e58a
[ 79.263597][ T5716] 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
[ 79.283198][ T5716] RSP: 002b:00007fff899ca208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 79.291608][ T5716] RAX: ffffffffffffffda RBX: 00007f625300e663 RCX: 00007f6252f8e58a
[ 79.299584][ T5716] RDX: 00007f625301dda7 RSI: 00007f625300e663 RDI: 00007f625301dda7
[ 79.307569][ T5716] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 79.315535][ T5716] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6253028480
[ 79.323502][ T5716] R13: 00007fff899ca288 R14: 0000000000000009 R15: 0000000000000000
[ 79.331487][ T5716]
[ 79.334811][ T5716] Kernel Offset: disabled
[ 79.339135][ T5716] 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='/syzkaller/jobs-2/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.6.linux-amd64'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/syzkaller/jobs-2/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-go1.23.6.linux-amd64/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.23.6'
GODEBUG=''
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
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-build3838416629=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at ef44b750e8
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
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=ef44b750e8fab8d6d5cb84920680581b13e0d470 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250207-152458'" -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 -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"ef44b750e8fab8d6d5cb84920680581b13e0d470\"
/usr/bin/ld: /tmp/cc9utvDf.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