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+0x5b/0xa0 drivers/android/binder.c:6932
Write of size 8 at addr ffff888027f52808 by task syz-executor/5777
CPU: 0 UID: 0 PID: 5777 Comm: syz-executor Not tainted 6.13.0-syzkaller-09196-gcd45f362fc1f #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+0x23d/0x360 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0x165/0x540 mm/kasan/report.c:489
kasan_report+0x13f/0x180 mm/kasan/report.c:602
hlist_add_head include/linux/list.h:1026 [inline]
binder_add_device+0x5b/0xa0 drivers/android/binder.c:6932
binderfs_binder_device_create+0x7bf/0x9c0 drivers/android/binderfs.c:210
binderfs_fill_super+0x940/0xd90 drivers/android/binderfs.c:729
vfs_get_super fs/super.c:1280 [inline]
get_tree_nodev+0xb3/0x140 fs/super.c:1299
vfs_get_tree+0x8c/0x280 fs/super.c:1814
do_new_mount+0x2ba/0xb40 fs/namespace.c:3560
do_mount fs/namespace.c:3900 [inline]
__do_sys_mount fs/namespace.c:4111 [inline]
__se_sys_mount+0x2d2/0x3c0 fs/namespace.c:4088
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f1b7098e4ca
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:00007ffc42d5ca08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1b70a0e663 RCX: 00007f1b7098e4ca
RDX: 00007f1b70a1dd57 RSI: 00007f1b70a0e663 RDI: 00007f1b70a1dd57
RBP: 00007f1b70a0e85b R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b709eb1c8
R13: 00007f1b709eb1a8 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5771:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3b/0x70 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x94/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x237/0x370 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+0x940/0xd90 drivers/android/binderfs.c:729
vfs_get_super fs/super.c:1280 [inline]
get_tree_nodev+0xb3/0x140 fs/super.c:1299
vfs_get_tree+0x8c/0x280 fs/super.c:1814
do_new_mount+0x2ba/0xb40 fs/namespace.c:3560
do_mount fs/namespace.c:3900 [inline]
__do_sys_mount fs/namespace.c:4111 [inline]
__se_sys_mount+0x2d2/0x3c0 fs/namespace.c:4088
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Freed by task 5771:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3b/0x70 mm/kasan/common.c:68
kasan_save_free_info+0x3c/0x50 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x55/0x70 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+0x18e/0x410 mm/slub.c:4757
evict+0x4e4/0x990 fs/inode.c:796
__dentry_kill+0x200/0x610 fs/dcache.c:625
shrink_kill+0xa9/0x2c0 fs/dcache.c:1070
shrink_dentry_list+0x2bc/0x5b0 fs/dcache.c:1097
shrink_dcache_parent+0xc7/0x3b0
do_one_tree+0x23/0xe0 fs/dcache.c:1560
shrink_dcache_for_umount+0xb0/0x170 fs/dcache.c:1577
generic_shutdown_super+0x66/0x2d0 fs/super.c:620
kill_anon_super fs/super.c:1237 [inline]
kill_litter_super+0x72/0xa0 fs/super.c:1247
binderfs_kill_super+0x40/0x90 drivers/android/binderfs.c:791
deactivate_locked_super+0xc0/0x120 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413
task_work_run+0x24b/0x310 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa26/0x28d0 kernel/exit.c:938
do_group_exit+0x203/0x2b0 kernel/exit.c:1087
get_signal+0x16ae/0x1740 kernel/signal.c:3036
arch_do_signal_or_restart+0x92/0x860 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+0xc9/0x320 kernel/entry/common.c:218
do_syscall_64+0x8a/0x180 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
The buggy address belongs to the object at ffff888027f52800
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888027f52800, ffff888027f52a00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x27f50
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 ffff88801a441c80 ffffea0000bc0900 dead000000000002
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801a441c80 ffffea0000bc0900 dead000000000002
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000002 ffffea00009fd401 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 14099419722, free_ts 0
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1e0/0x220 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x35e2/0x3720 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x252/0x680 mm/page_alloc.c:4739
alloc_pages_mpol+0x30d/0x660 mm/mempolicy.c:2270
alloc_slab_page mm/slub.c:2423 [inline]
allocate_slab+0x8f/0x390 mm/slub.c:2587
new_slab mm/slub.c:2640 [inline]
___slab_alloc+0xc35/0x1490 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+0x26f/0x370 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+0xc0/0xd00 drivers/base/core.c:3561
usb_set_configuration+0x1972/0x1fb0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x84/0x140 drivers/usb/core/generic.c:250
usb_probe_device+0x1b4/0x370 drivers/usb/core/driver.c:291
really_probe+0x2b9/0xac0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x420 drivers/base/dd.c:830
__device_attach_driver+0x2d2/0x520 drivers/base/dd.c:958
page_owner free stack trace missing
Memory state around the buggy address:
ffff888027f52700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888027f52780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888027f52800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888027f52880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888027f52900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.0.200' (ED25519) to the list of known hosts.
2025/01/28 22:25:54 ignoring optional flag "sandboxArg"="0"
2025/01/28 22:25:56 parsed 1 programs
[ 80.828927][ T5762] cgroup: Unknown subsys name 'net'
[ 80.996407][ T5762] cgroup: Unknown subsys name 'cpuset'
[ 81.005301][ T5762] cgroup: Unknown subsys name 'rlimit'
[ 81.010971][ T5762] cgroup: Unknown subsys name 'memory'
[ 82.525361][ T5762] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 85.907479][ T5777] ==================================================================
[ 85.915673][ T5777] BUG: KASAN: slab-use-after-free in binder_add_device+0x5b/0xa0
[ 85.923642][ T5777] Write of size 8 at addr ffff888027f52808 by task syz-executor/5777
[ 85.931841][ T5777]
[ 85.934216][ T5777] CPU: 0 UID: 0 PID: 5777 Comm: syz-executor Not tainted 6.13.0-syzkaller-09196-gcd45f362fc1f #0
[ 85.934238][ T5777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 85.934252][ T5777] Call Trace:
[ 85.934261][ T5777]
[ 85.934268][ T5777] dump_stack_lvl+0x23d/0x360
[ 85.934297][ T5777] ? __pfx_dump_stack_lvl+0x10/0x10
[ 85.934319][ T5777] ? __pfx__printk+0x10/0x10
[ 85.934341][ T5777] ? _printk+0xd1/0x120
[ 85.934362][ T5777] ? __virt_addr_valid+0x17f/0x530
[ 85.934378][ T5777] ? __virt_addr_valid+0x17f/0x530
[ 85.934395][ T5777] print_report+0x165/0x540
[ 85.934420][ T5777] ? __virt_addr_valid+0x17f/0x530
[ 85.934436][ T5777] ? __virt_addr_valid+0x17f/0x530
[ 85.934451][ T5777] ? __virt_addr_valid+0x45b/0x530
[ 85.934467][ T5777] ? __phys_addr+0xb6/0x170
[ 85.934482][ T5777] ? binder_add_device+0x5b/0xa0
[ 85.934506][ T5777] kasan_report+0x13f/0x180
[ 85.934531][ T5777] ? binder_add_device+0x5b/0xa0
[ 85.934557][ T5777] binder_add_device+0x5b/0xa0
[ 85.934580][ T5777] binderfs_binder_device_create+0x7bf/0x9c0
[ 85.934607][ T5777] binderfs_fill_super+0x940/0xd90
[ 85.934631][ T5777] ? __pfx_binderfs_fill_super+0x10/0x10
[ 85.934662][ T5777] ? shrinker_register+0x15c/0x220
[ 85.934684][ T5777] ? sget_fc+0x905/0x9c0
[ 85.934707][ T5777] ? __pfx_set_anon_super_fc+0x10/0x10
[ 85.934732][ T5777] ? __pfx_binderfs_fill_super+0x10/0x10
[ 85.934754][ T5777] get_tree_nodev+0xb3/0x140
[ 85.934781][ T5777] vfs_get_tree+0x8c/0x280
[ 85.934806][ T5777] do_new_mount+0x2ba/0xb40
[ 85.934828][ T5777] ? __pfx_do_new_mount+0x10/0x10
[ 85.934850][ T5777] __se_sys_mount+0x2d2/0x3c0
[ 85.934870][ T5777] ? lockdep_hardirqs_on_prepare+0x439/0x7a0
[ 85.934896][ T5777] ? __pfx___se_sys_mount+0x10/0x10
[ 85.934917][ T5777] ? __x64_sys_mount+0x1c/0xc0
[ 85.934937][ T5777] do_syscall_64+0x7e/0x180
[ 85.934955][ T5777] ? clear_bhb_loop+0x45/0xa0
[ 85.934978][ T5777] ? clear_bhb_loop+0x45/0xa0
[ 85.935002][ T5777] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 85.935028][ T5777] RIP: 0033:0x7f1b7098e4ca
[ 85.935046][ T5777] 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
[ 85.935060][ T5777] RSP: 002b:00007ffc42d5ca08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 85.935079][ T5777] RAX: ffffffffffffffda RBX: 00007f1b70a0e663 RCX: 00007f1b7098e4ca
[ 85.935091][ T5777] RDX: 00007f1b70a1dd57 RSI: 00007f1b70a0e663 RDI: 00007f1b70a1dd57
[ 85.935102][ T5777] RBP: 00007f1b70a0e85b R08: 0000000000000000 R09: 00000000000001ff
[ 85.935112][ T5777] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b709eb1c8
[ 85.935123][ T5777] R13: 00007f1b709eb1a8 R14: 0000000000000009 R15: 0000000000000000
[ 85.935138][ T5777]
[ 85.935144][ T5777]
[ 86.209406][ T5777] Allocated by task 5771:
[ 86.213940][ T5777] kasan_save_track+0x3b/0x70
[ 86.218635][ T5777] __kasan_kmalloc+0x94/0xb0
[ 86.223297][ T5777] __kmalloc_cache_noprof+0x237/0x370
[ 86.229304][ T5777] binderfs_binder_device_create+0x16c/0x9c0
[ 86.235299][ T5777] binderfs_fill_super+0x940/0xd90
[ 86.240612][ T5777] get_tree_nodev+0xb3/0x140
[ 86.245223][ T5777] vfs_get_tree+0x8c/0x280
[ 86.249647][ T5777] do_new_mount+0x2ba/0xb40
[ 86.254258][ T5777] __se_sys_mount+0x2d2/0x3c0
[ 86.258944][ T5777] do_syscall_64+0x7e/0x180
[ 86.263482][ T5777] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 86.269395][ T5777]
[ 86.271722][ T5777] Freed by task 5771:
[ 86.275792][ T5777] kasan_save_track+0x3b/0x70
[ 86.280486][ T5777] kasan_save_free_info+0x3c/0x50
[ 86.285616][ T5777] __kasan_slab_free+0x55/0x70
[ 86.290667][ T5777] kfree+0x18e/0x410
[ 86.294568][ T5777] evict+0x4e4/0x990
[ 86.298563][ T5777] __dentry_kill+0x200/0x610
[ 86.303173][ T5777] shrink_kill+0xa9/0x2c0
[ 86.307537][ T5777] shrink_dentry_list+0x2bc/0x5b0
[ 86.312613][ T5777] shrink_dcache_parent+0xc7/0x3b0
[ 86.317769][ T5777] do_one_tree+0x23/0xe0
[ 86.322142][ T5777] shrink_dcache_for_umount+0xb0/0x170
[ 86.327616][ T5777] generic_shutdown_super+0x66/0x2d0
[ 86.332922][ T5777] kill_litter_super+0x72/0xa0
[ 86.337697][ T5777] binderfs_kill_super+0x40/0x90
[ 86.342642][ T5777] deactivate_locked_super+0xc0/0x120
[ 86.348040][ T5777] cleanup_mnt+0x41f/0x4b0
[ 86.352653][ T5777] task_work_run+0x24b/0x310
[ 86.357336][ T5777] do_exit+0xa26/0x28d0
[ 86.361542][ T5777] do_group_exit+0x203/0x2b0
[ 86.366142][ T5777] get_signal+0x16ae/0x1740
[ 86.370648][ T5777] arch_do_signal_or_restart+0x92/0x860
[ 86.376207][ T5777] syscall_exit_to_user_mode+0xc9/0x320
[ 86.381760][ T5777] do_syscall_64+0x8a/0x180
[ 86.386271][ T5777] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 86.392179][ T5777]
[ 86.394510][ T5777] The buggy address belongs to the object at ffff888027f52800
[ 86.394510][ T5777] which belongs to the cache kmalloc-512 of size 512
[ 86.408684][ T5777] The buggy address is located 8 bytes inside of
[ 86.408684][ T5777] freed 512-byte region [ffff888027f52800, ffff888027f52a00)
[ 86.422577][ T5777]
[ 86.424906][ T5777] The buggy address belongs to the physical page:
[ 86.431422][ T5777] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x27f50
[ 86.440288][ T5777] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 86.448860][ T5777] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[ 86.456441][ T5777] page_type: f5(slab)
[ 86.460715][ T5777] raw: 00fff00000000040 ffff88801a441c80 ffffea0000bc0900 dead000000000002
[ 86.469328][ T5777] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 86.477928][ T5777] head: 00fff00000000040 ffff88801a441c80 ffffea0000bc0900 dead000000000002
[ 86.487127][ T5777] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 86.495817][ T5777] head: 00fff00000000002 ffffea00009fd401 ffffffffffffffff 0000000000000000
[ 86.504570][ T5777] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 86.513433][ T5777] page dumped because: kasan: bad access detected
[ 86.519861][ T5777] page_owner tracks the page as allocated
[ 86.525579][ T5777] 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 14099419722, free_ts 0
[ 86.545299][ T5777] post_alloc_hook+0x1e0/0x220
[ 86.550078][ T5777] get_page_from_freelist+0x35e2/0x3720
[ 86.555642][ T5777] __alloc_frozen_pages_noprof+0x252/0x680
[ 86.561455][ T5777] alloc_pages_mpol+0x30d/0x660
[ 86.566324][ T5777] allocate_slab+0x8f/0x390
[ 86.570849][ T5777] ___slab_alloc+0xc35/0x1490
[ 86.575533][ T5777] __slab_alloc+0x58/0xa0
[ 86.579871][ T5777] __kmalloc_cache_noprof+0x26f/0x370
[ 86.585246][ T5777] device_add+0xc0/0xd00
[ 86.589497][ T5777] usb_set_configuration+0x1972/0x1fb0
[ 86.594975][ T5777] usb_generic_driver_probe+0x84/0x140
[ 86.600439][ T5777] usb_probe_device+0x1b4/0x370
[ 86.605492][ T5777] really_probe+0x2b9/0xac0
[ 86.610005][ T5777] __driver_probe_device+0x1a2/0x390
[ 86.615386][ T5777] driver_probe_device+0x50/0x420
[ 86.620436][ T5777] __device_attach_driver+0x2d2/0x520
[ 86.625915][ T5777] page_owner free stack trace missing
[ 86.631293][ T5777]
[ 86.633637][ T5777] Memory state around the buggy address:
[ 86.639272][ T5777] ffff888027f52700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 86.647422][ T5777] ffff888027f52780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 86.655744][ T5777] >ffff888027f52800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 86.663819][ T5777] ^
[ 86.668156][ T5777] ffff888027f52880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 86.676245][ T5777] ffff888027f52900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 86.684406][ T5777] ==================================================================
[ 86.694516][ T5777] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 86.701771][ T5777] CPU: 1 UID: 0 PID: 5777 Comm: syz-executor Not tainted 6.13.0-syzkaller-09196-gcd45f362fc1f #0
[ 86.712306][ T5777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 86.722390][ T5777] Call Trace:
[ 86.725702][ T5777]
[ 86.728654][ T5777] dump_stack_lvl+0x23d/0x360
[ 86.733340][ T5777] ? __pfx_dump_stack_lvl+0x10/0x10
[ 86.738737][ T5777] ? __pfx__printk+0x10/0x10
[ 86.743332][ T5777] ? preempt_schedule+0xdd/0xf0
[ 86.748193][ T5777] ? vscnprintf+0x59/0x80
[ 86.752580][ T5777] panic+0x345/0x880
[ 86.756492][ T5777] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 86.762686][ T5777] ? check_panic_on_warn+0x1d/0xa0
[ 86.767825][ T5777] ? __pfx_panic+0x10/0x10
[ 86.772255][ T5777] ? _raw_spin_unlock_irqrestore+0x12c/0x140
[ 86.778691][ T5777] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 86.785055][ T5777] ? print_report+0x4fe/0x540
[ 86.789743][ T5777] check_panic_on_warn+0x82/0xa0
[ 86.794722][ T5777] ? binder_add_device+0x5b/0xa0
[ 86.799760][ T5777] end_report+0x77/0x150
[ 86.804022][ T5777] kasan_report+0x150/0x180
[ 86.808563][ T5777] ? binder_add_device+0x5b/0xa0
[ 86.813515][ T5777] binder_add_device+0x5b/0xa0
[ 86.818287][ T5777] binderfs_binder_device_create+0x7bf/0x9c0
[ 86.824471][ T5777] binderfs_fill_super+0x940/0xd90
[ 86.829595][ T5777] ? __pfx_binderfs_fill_super+0x10/0x10
[ 86.835252][ T5777] ? shrinker_register+0x15c/0x220
[ 86.840379][ T5777] ? sget_fc+0x905/0x9c0
[ 86.844628][ T5777] ? __pfx_set_anon_super_fc+0x10/0x10
[ 86.850181][ T5777] ? __pfx_binderfs_fill_super+0x10/0x10
[ 86.855828][ T5777] get_tree_nodev+0xb3/0x140
[ 86.860438][ T5777] vfs_get_tree+0x8c/0x280
[ 86.864955][ T5777] do_new_mount+0x2ba/0xb40
[ 86.869558][ T5777] ? __pfx_do_new_mount+0x10/0x10
[ 86.874593][ T5777] __se_sys_mount+0x2d2/0x3c0
[ 86.879271][ T5777] ? lockdep_hardirqs_on_prepare+0x439/0x7a0
[ 86.885345][ T5777] ? __pfx___se_sys_mount+0x10/0x10
[ 86.890553][ T5777] ? __x64_sys_mount+0x1c/0xc0
[ 86.895320][ T5777] do_syscall_64+0x7e/0x180
[ 86.899824][ T5777] ? clear_bhb_loop+0x45/0xa0
[ 86.904510][ T5777] ? clear_bhb_loop+0x45/0xa0
[ 86.909190][ T5777] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 86.915088][ T5777] RIP: 0033:0x7f1b7098e4ca
[ 86.919498][ T5777] 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
[ 86.939194][ T5777] RSP: 002b:00007ffc42d5ca08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 86.947702][ T5777] RAX: ffffffffffffffda RBX: 00007f1b70a0e663 RCX: 00007f1b7098e4ca
[ 86.955680][ T5777] RDX: 00007f1b70a1dd57 RSI: 00007f1b70a0e663 RDI: 00007f1b70a1dd57
[ 86.963670][ T5777] RBP: 00007f1b70a0e85b R08: 0000000000000000 R09: 00000000000001ff
[ 86.971814][ T5777] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b709eb1c8
[ 86.979783][ T5777] R13: 00007f1b709eb1a8 R14: 0000000000000009 R15: 0000000000000000
[ 86.987762][ T5777]
[ 86.991132][ T5777] Kernel Offset: disabled
[ 86.995491][ T5777] 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-build2683740886=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at 180708967e
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=180708967e9f2cb26bc15973d46e3cd9cf3d2d80 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250127-100521'" -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=\"180708967e9f2cb26bc15973d46e3cd9cf3d2d80\"
/usr/bin/ld: /tmp/cc8XoSQ8.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