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 ffff88803a124808 by task syz-executor/5320
CPU: 0 UID: 0 PID: 5320 Comm: syz-executor Not tainted 6.13.0-syzkaller-09338-g05dbaf8dd8bf #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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: 0033:0x7fcce71874ca
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:00007fff7723bf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcce7201ecb RCX: 00007fcce71874ca
RDX: 00007fcce720ec27 RSI: 00007fcce7201ecb RDI: 00007fcce720ec27
RBP: 00007fcce72020c3 R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcce71e41c8
R13: 00007fcce71e41a8 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5313:
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 5313:
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 ffff88803a124800
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff88803a124800, ffff88803a124a00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3a124
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000040 ffff88801ac41c80 ffffea0001010e80 dead000000000002
raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 04fff00000000040 ffff88801ac41c80 ffffea0001010e80 dead000000000002
head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 04fff00000000001 ffffea0000e84901 ffffffffffffffff 0000000000000000
head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 23262220945, free_ts 23186456949
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:905 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
tomoyo_init_log+0x1b3d/0x2050 security/tomoyo/audit.c:275
tomoyo_supervisor+0x3a4/0x1770 security/tomoyo/common.c:2119
tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
tomoyo_path_permission+0x243/0x360 security/tomoyo/file.c:587
tomoyo_check_open_permission+0x45e/0x4f0 security/tomoyo/file.c:780
security_file_open+0xac/0x250 security/security.c:3114
do_dentry_open+0x320/0x1960 fs/open.c:932
vfs_open+0x3b/0x370 fs/open.c:1085
do_open fs/namei.c:3828 [inline]
path_openat+0x2c74/0x3580 fs/namei.c:3987
page last free pid 1 tgid 1 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
discard_slab mm/slub.c:2684 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3153
put_cpu_partial+0x17c/0x250 mm/slub.c:3228
__slab_free+0x290/0x380 mm/slub.c:4479
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x1d9/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
bus_add_driver+0x163/0x670 drivers/base/bus.c:662
driver_register+0x23a/0x320 drivers/base/driver.c:249
__hid_register_driver+0x12a/0x170 drivers/hid/hid-core.c:3024
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
kernel_init+0x1d/0x2b0 init/main.c:1457
Memory state around the buggy address:
ffff88803a124700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88803a124780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88803a124800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88803a124880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88803a124900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '[localhost]:18349' (ED25519) to the list of known hosts.
2025/01/29 12:59:23 ignoring optional flag "sandboxArg"="0"
2025/01/29 12:59:24 parsed 1 programs
[ 73.671096][ T5302] cgroup: Unknown subsys name 'net'
[ 73.746765][ T5302] cgroup: Unknown subsys name 'cpuset'
[ 73.751058][ T5302] cgroup: Unknown subsys name 'rlimit'
[ 75.232231][ T5302] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 76.405699][ T1309] ieee802154 phy0 wpan0: encryption failed: -22
[ 76.408574][ T1309] ieee802154 phy1 wpan1: encryption failed: -22
[ 79.620401][ T5313] 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.
[ 80.394209][ T5320] ==================================================================
[ 80.397233][ T5320] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 80.400084][ T5320] Write of size 8 at addr ffff88803a124808 by task syz-executor/5320
[ 80.404115][ T5320]
[ 80.405041][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz-executor Not tainted 6.13.0-syzkaller-09338-g05dbaf8dd8bf #0
[ 80.405054][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 80.405061][ T5320] Call Trace:
[ 80.405068][ T5320]
[ 80.405078][ T5320] dump_stack_lvl+0x241/0x360
[ 80.405093][ T5320] ? __pfx_dump_stack_lvl+0x10/0x10
[ 80.405104][ T5320] ? __pfx__printk+0x10/0x10
[ 80.405120][ T5320] ? _printk+0xd5/0x120
[ 80.405132][ T5320] ? __virt_addr_valid+0x183/0x530
[ 80.405148][ T5320] ? __virt_addr_valid+0x183/0x530
[ 80.405161][ T5320] print_report+0x169/0x550
[ 80.405176][ T5320] ? __virt_addr_valid+0x183/0x530
[ 80.405189][ T5320] ? __virt_addr_valid+0x183/0x530
[ 80.405202][ T5320] ? __virt_addr_valid+0x45f/0x530
[ 80.405215][ T5320] ? __phys_addr+0xba/0x170
[ 80.405228][ T5320] ? binder_add_device+0x5f/0xa0
[ 80.405242][ T5320] kasan_report+0x143/0x180
[ 80.405257][ T5320] ? binder_add_device+0x5f/0xa0
[ 80.405270][ T5320] binder_add_device+0x5f/0xa0
[ 80.405282][ T5320] binderfs_binder_device_create+0x7bf/0x9c0
[ 80.405295][ T5320] binderfs_fill_super+0x944/0xd90
[ 80.405307][ T5320] ? __pfx_binderfs_fill_super+0x10/0x10
[ 80.405323][ T5320] ? shrinker_register+0x160/0x230
[ 80.405337][ T5320] ? sget_fc+0x909/0x9c0
[ 80.405349][ T5320] ? __pfx_set_anon_super_fc+0x10/0x10
[ 80.405361][ T5320] ? __pfx_binderfs_fill_super+0x10/0x10
[ 80.405371][ T5320] get_tree_nodev+0xb7/0x140
[ 80.405384][ T5320] vfs_get_tree+0x90/0x2b0
[ 80.405398][ T5320] do_new_mount+0x2be/0xb40
[ 80.405409][ T5320] ? __pfx_do_new_mount+0x10/0x10
[ 80.405420][ T5320] __se_sys_mount+0x2d6/0x3c0
[ 80.405430][ T5320] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 80.405445][ T5320] ? __pfx___se_sys_mount+0x10/0x10
[ 80.405455][ T5320] ? do_syscall_64+0x100/0x230
[ 80.405470][ T5320] ? __x64_sys_mount+0x20/0xc0
[ 80.405479][ T5320] do_syscall_64+0xf3/0x230
[ 80.405492][ T5320] ? clear_bhb_loop+0x35/0x90
[ 80.405507][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.405520][ T5320] RIP: 0033:0x7fcce71874ca
[ 80.405530][ T5320] 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
[ 80.405539][ T5320] RSP: 002b:00007fff7723bf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 80.405551][ T5320] RAX: ffffffffffffffda RBX: 00007fcce7201ecb RCX: 00007fcce71874ca
[ 80.405558][ T5320] RDX: 00007fcce720ec27 RSI: 00007fcce7201ecb RDI: 00007fcce720ec27
[ 80.405565][ T5320] RBP: 00007fcce72020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 80.405571][ T5320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcce71e41c8
[ 80.405577][ T5320] R13: 00007fcce71e41a8 R14: 0000000000000009 R15: 0000000000000000
[ 80.405587][ T5320]
[ 80.405591][ T5320]
[ 80.508539][ T5320] Allocated by task 5313:
[ 80.510246][ T5320] kasan_save_track+0x3f/0x80
[ 80.512098][ T5320] __kasan_kmalloc+0x98/0xb0
[ 80.513910][ T5320] __kmalloc_cache_noprof+0x243/0x390
[ 80.515886][ T5320] binderfs_binder_device_create+0x16c/0x9c0
[ 80.518149][ T5320] binderfs_fill_super+0x944/0xd90
[ 80.520045][ T5320] get_tree_nodev+0xb7/0x140
[ 80.521965][ T5320] vfs_get_tree+0x90/0x2b0
[ 80.523635][ T5320] do_new_mount+0x2be/0xb40
[ 80.525431][ T5320] __se_sys_mount+0x2d6/0x3c0
[ 80.527208][ T5320] do_syscall_64+0xf3/0x230
[ 80.528931][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.531167][ T5320]
[ 80.532106][ T5320] Freed by task 5313:
[ 80.533771][ T5320] kasan_save_track+0x3f/0x80
[ 80.535662][ T5320] kasan_save_free_info+0x40/0x50
[ 80.537602][ T5320] __kasan_slab_free+0x59/0x70
[ 80.539346][ T5320] kfree+0x196/0x430
[ 80.540871][ T5320] evict+0x4e8/0x9a0
[ 80.542320][ T5320] __dentry_kill+0x20d/0x630
[ 80.544083][ T5320] shrink_kill+0xa9/0x2c0
[ 80.545879][ T5320] shrink_dentry_list+0x2c0/0x5b0
[ 80.547836][ T5320] shrink_dcache_parent+0xcb/0x3b0
[ 80.549825][ T5320] do_one_tree+0x23/0xe0
[ 80.551430][ T5320] shrink_dcache_for_umount+0xb4/0x180
[ 80.553608][ T5320] generic_shutdown_super+0x6a/0x2d0
[ 80.555588][ T5320] kill_litter_super+0x76/0xb0
[ 80.557374][ T5320] binderfs_kill_super+0x44/0x90
[ 80.559327][ T5320] deactivate_locked_super+0xc4/0x130
[ 80.561364][ T5320] cleanup_mnt+0x41f/0x4b0
[ 80.563136][ T5320] task_work_run+0x24f/0x310
[ 80.564917][ T5320] do_exit+0xa2a/0x28e0
[ 80.566503][ T5320] do_group_exit+0x207/0x2c0
[ 80.568304][ T5320] get_signal+0x16b2/0x1750
[ 80.570037][ T5320] arch_do_signal_or_restart+0x96/0x860
[ 80.572097][ T5320] syscall_exit_to_user_mode+0xce/0x340
[ 80.574221][ T5320] do_syscall_64+0x100/0x230
[ 80.576001][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.578251][ T5320]
[ 80.579299][ T5320] The buggy address belongs to the object at ffff88803a124800
[ 80.579299][ T5320] which belongs to the cache kmalloc-512 of size 512
[ 80.584450][ T5320] The buggy address is located 8 bytes inside of
[ 80.584450][ T5320] freed 512-byte region [ffff88803a124800, ffff88803a124a00)
[ 80.589864][ T5320]
[ 80.590818][ T5320] The buggy address belongs to the physical page:
[ 80.593238][ T5320] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3a124
[ 80.596455][ T5320] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 80.599696][ T5320] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff)
[ 80.602655][ T5320] page_type: f5(slab)
[ 80.604188][ T5320] raw: 04fff00000000040 ffff88801ac41c80 ffffea0001010e80 dead000000000002
[ 80.607553][ T5320] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[ 80.610778][ T5320] head: 04fff00000000040 ffff88801ac41c80 ffffea0001010e80 dead000000000002
[ 80.614126][ T5320] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[ 80.617447][ T5320] head: 04fff00000000001 ffffea0000e84901 ffffffffffffffff 0000000000000000
[ 80.620701][ T5320] head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
[ 80.623984][ T5320] page dumped because: kasan: bad access detected
[ 80.626375][ T5320] page_owner tracks the page as allocated
[ 80.628499][ T5320] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 23262220945, free_ts 23186456949
[ 80.635954][ T5320] post_alloc_hook+0x1f4/0x240
[ 80.637718][ T5320] get_page_from_freelist+0x365c/0x37a0
[ 80.639837][ T5320] __alloc_frozen_pages_noprof+0x292/0x710
[ 80.642325][ T5320] alloc_pages_mpol+0x311/0x660
[ 80.644766][ T5320] allocate_slab+0x8f/0x3a0
[ 80.646574][ T5320] ___slab_alloc+0xc27/0x14a0
[ 80.648410][ T5320] __slab_alloc+0x58/0xa0
[ 80.650056][ T5320] __kmalloc_noprof+0x2e6/0x4c0
[ 80.651966][ T5320] tomoyo_init_log+0x1b3d/0x2050
[ 80.654016][ T5320] tomoyo_supervisor+0x3a4/0x1770
[ 80.656001][ T5320] tomoyo_path_permission+0x243/0x360
[ 80.658121][ T5320] tomoyo_check_open_permission+0x45e/0x4f0
[ 80.660432][ T5320] security_file_open+0xac/0x250
[ 80.662461][ T5320] do_dentry_open+0x320/0x1960
[ 80.664381][ T5320] vfs_open+0x3b/0x370
[ 80.665978][ T5320] path_openat+0x2c74/0x3580
[ 80.667941][ T5320] page last free pid 1 tgid 1 stack trace:
[ 80.670490][ T5320] free_frozen_pages+0xe0d/0x10e0
[ 80.672629][ T5320] __put_partials+0x160/0x1c0
[ 80.674444][ T5320] put_cpu_partial+0x17c/0x250
[ 80.676249][ T5320] __slab_free+0x290/0x380
[ 80.678002][ T5320] qlist_free_all+0x9a/0x140
[ 80.679985][ T5320] kasan_quarantine_reduce+0x14f/0x170
[ 80.682384][ T5320] __kasan_slab_alloc+0x23/0x80
[ 80.684282][ T5320] __kmalloc_cache_noprof+0x1d9/0x390
[ 80.686358][ T5320] bus_add_driver+0x163/0x670
[ 80.688189][ T5320] driver_register+0x23a/0x320
[ 80.690063][ T5320] __hid_register_driver+0x12a/0x170
[ 80.692056][ T5320] do_one_initcall+0x248/0x870
[ 80.693954][ T5320] do_initcall_level+0x157/0x210
[ 80.695876][ T5320] do_initcalls+0x3f/0x80
[ 80.697681][ T5320] kernel_init_freeable+0x435/0x5d0
[ 80.699654][ T5320] kernel_init+0x1d/0x2b0
[ 80.701322][ T5320]
[ 80.702233][ T5320] Memory state around the buggy address:
[ 80.704394][ T5320] ffff88803a124700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 80.707362][ T5320] ffff88803a124780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 80.710424][ T5320] >ffff88803a124800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 80.713419][ T5320] ^
[ 80.715030][ T5320] ffff88803a124880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 80.718150][ T5320] ffff88803a124900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 80.721112][ T5320] ==================================================================
[ 80.763220][ T5320] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 80.766064][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz-executor Not tainted 6.13.0-syzkaller-09338-g05dbaf8dd8bf #0
[ 80.770132][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 80.774362][ T5320] Call Trace:
[ 80.775698][ T5320]
[ 80.776895][ T5320] dump_stack_lvl+0x241/0x360
[ 80.778742][ T5320] ? __pfx_dump_stack_lvl+0x10/0x10
[ 80.780694][ T5320] ? __pfx__printk+0x10/0x10
[ 80.782533][ T5320] ? preempt_schedule+0xe1/0xf0
[ 80.784408][ T5320] ? vscnprintf+0x5d/0x90
[ 80.786090][ T5320] panic+0x349/0x880
[ 80.787666][ T5320] ? check_panic_on_warn+0x21/0xb0
[ 80.789676][ T5320] ? __pfx_panic+0x10/0x10
[ 80.791394][ T5320] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 80.793760][ T5320] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 80.796181][ T5320] ? print_report+0x502/0x550
[ 80.797959][ T5320] check_panic_on_warn+0x86/0xb0
[ 80.799850][ T5320] ? binder_add_device+0x5f/0xa0
[ 80.801779][ T5320] end_report+0x77/0x160
[ 80.803507][ T5320] kasan_report+0x154/0x180
[ 80.805264][ T5320] ? binder_add_device+0x5f/0xa0
[ 80.807123][ T5320] binder_add_device+0x5f/0xa0
[ 80.809031][ T5320] binderfs_binder_device_create+0x7bf/0x9c0
[ 80.811095][ T5320] binderfs_fill_super+0x944/0xd90
[ 80.813049][ T5320] ? __pfx_binderfs_fill_super+0x10/0x10
[ 80.815523][ T5320] ? shrinker_register+0x160/0x230
[ 80.817449][ T5320] ? sget_fc+0x909/0x9c0
[ 80.819078][ T5320] ? __pfx_set_anon_super_fc+0x10/0x10
[ 80.821192][ T5320] ? __pfx_binderfs_fill_super+0x10/0x10
[ 80.823333][ T5320] get_tree_nodev+0xb7/0x140
[ 80.825173][ T5320] vfs_get_tree+0x90/0x2b0
[ 80.826899][ T5320] do_new_mount+0x2be/0xb40
[ 80.828694][ T5320] ? __pfx_do_new_mount+0x10/0x10
[ 80.830601][ T5320] __se_sys_mount+0x2d6/0x3c0
[ 80.832398][ T5320] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 80.834671][ T5320] ? __pfx___se_sys_mount+0x10/0x10
[ 80.836681][ T5320] ? do_syscall_64+0x100/0x230
[ 80.838547][ T5320] ? __x64_sys_mount+0x20/0xc0
[ 80.840389][ T5320] do_syscall_64+0xf3/0x230
[ 80.842199][ T5320] ? clear_bhb_loop+0x35/0x90
[ 80.844009][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.846282][ T5320] RIP: 0033:0x7fcce71874ca
[ 80.847976][ T5320] 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
[ 80.855311][ T5320] RSP: 002b:00007fff7723bf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 80.858516][ T5320] RAX: ffffffffffffffda RBX: 00007fcce7201ecb RCX: 00007fcce71874ca
[ 80.861920][ T5320] RDX: 00007fcce720ec27 RSI: 00007fcce7201ecb RDI: 00007fcce720ec27
[ 80.865502][ T5320] RBP: 00007fcce72020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 80.868574][ T5320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcce71e41c8
[ 80.871653][ T5320] R13: 00007fcce71e41a8 R14: 0000000000000009 R15: 0000000000000000
[ 80.874893][ T5320]
[ 80.876288][ T5320] Kernel Offset: disabled
[ 80.877994][ T5320] Rebooting in 86400 seconds..
VM DIAGNOSIS:
12:59:33 Registers:
info registers vcpu 0
CPU#0
RAX=000000000000006f RBX=ffffffff9a74c0e0 RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000d1971d0
R8 =ffffffff8576bc5b R9 =1ffff11003d7f046 R10=dffffc0000000000 R11=ffffffff8576bc10
R12=dffffc0000000000 R13=000000000000006f R14=000000000000006f R15=00000000000003f8
RIP=ffffffff8576bc8e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000555593678500 ffffffff 00c00000
GS =0000 ffff88801fc00000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fcce710f700 CR3=0000000049aae000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=00000000eee0c0c0 Opmask01=000000000000000f Opmask02=00000000ffffffef Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff7723bf30 0000003000000010
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2029706d742d7a79 73287269646b6d00 706d742d7a79732f 2e00303030303031
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 050c554851085f5c 560d574c414e4800 554851085f5c560a 0b00151515151514
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
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/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/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/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-build1396050768=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at 25e17fd3886
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=25e17fd3886c9c7eda47ce82a8804493b0b792f8 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250122-131753'" "-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 -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"25e17fd3886c9c7eda47ce82a8804493b0b792f8\"
/usr/bin/ld: /tmp/ccX7k8JB.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