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 ffff888029549c08 by task syz-executor/5835
CPU: 0 UID: 0 PID: 5835 Comm: syz-executor Not tainted 6.13.0-syzkaller-08997-gf34b580514c9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0x169/0x550 mm/kasan/report.c:489
kasan_report+0x143/0x180 mm/kasan/report.c:602
hlist_add_head include/linux/list.h:1026 [inline]
binder_add_device+0x5f/0xa0 drivers/android/binder.c:6932
binderfs_binder_device_create+0x7bf/0x9c0 drivers/android/binderfs.c:210
binderfs_fill_super+0x944/0xd90 drivers/android/binderfs.c:729
vfs_get_super fs/super.c:1280 [inline]
get_tree_nodev+0xb7/0x140 fs/super.c:1299
vfs_get_tree+0x90/0x2b0 fs/super.c:1814
do_new_mount+0x2be/0xb40 fs/namespace.c:3560
do_mount fs/namespace.c:3900 [inline]
__do_sys_mount fs/namespace.c:4111 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2c7ab7feba
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:00007fff1ffd5148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2c7abf1761 RCX: 00007f2c7ab7feba
RDX: 00007f2c7abfcba1 RSI: 00007f2c7abf1761 RDI: 00007f2c7abfcba1
RBP: 00007f2c7abf1970 R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2c7abdc068
R13: 00007f2c7abdc048 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5828:
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 5828:
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 ffff888029549c00
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888029549c00, ffff888029549e00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888029548000 pfn:0x29548
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000240 ffff88801ac41c80 ffffea0000c97b10 ffffea0000a3b710
raw: ffff888029548000 000000000010000d 00000000f5000000 0000000000000000
head: 00fff00000000240 ffff88801ac41c80 ffffea0000c97b10 ffffea0000a3b710
head: ffff888029548000 000000000010000d 00000000f5000000 0000000000000000
head: 00fff00000000002 ffffea0000a55201 ffffffffffffffff 0000000000000000
head: ffff888000000004 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 5195, tgid 5195 (udevd), ts 34678841414, free_ts 34355745448
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+0x3651/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
alloc_slab_page mm/slub.c:2423 [inline]
allocate_slab+0x8f/0x3a0 mm/slub.c:2587
new_slab mm/slub.c:2640 [inline]
___slab_alloc+0xc27/0x14a0 mm/slub.c:3826
__slab_alloc+0x58/0xa0 mm/slub.c:3916
__slab_alloc_node mm/slub.c:3991 [inline]
slab_alloc_node mm/slub.c:4152 [inline]
__kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:955
vfs_open+0x3b/0x370 fs/open.c:1085
do_open fs/namei.c:3828 [inline]
path_openat+0x2c74/0x3580 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1427
do_sys_open fs/open.c:1442 [inline]
__do_sys_openat fs/open.c:1458 [inline]
__se_sys_openat fs/open.c:1453 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1453
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
page last free pid 5195 tgid 5195 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
__slab_free+0x2c2/0x380 mm/slub.c:4520
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]
kernfs_fop_open+0x3e0/0xd10 fs/kernfs/file.c:623
do_dentry_open+0xdec/0x1960 fs/open.c:955
vfs_open+0x3b/0x370 fs/open.c:1085
do_open fs/namei.c:3828 [inline]
path_openat+0x2c74/0x3580 fs/namei.c:3987
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1427
do_sys_open fs/open.c:1442 [inline]
__do_sys_openat fs/open.c:1458 [inline]
__se_sys_openat fs/open.c:1453 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1453
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
Memory state around the buggy address:
ffff888029549b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888029549b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888029549c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888029549c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888029549d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.10.47' (ED25519) to the list of known hosts.
2025/01/28 03:43:57 ignoring optional flag "sandboxArg"="0"
2025/01/28 03:43:57 parsed 1 programs
[ 65.217287][ T5818] cgroup: Unknown subsys name 'net'
[ 65.349797][ T5818] cgroup: Unknown subsys name 'cpuset'
[ 65.357663][ T5818] cgroup: Unknown subsys name 'rlimit'
[ 66.598399][ T5818] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 68.883399][ T5828] 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.
[ 69.101781][ T5835] ==================================================================
[ 69.109897][ T5835] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 69.117749][ T5835] Write of size 8 at addr ffff888029549c08 by task syz-executor/5835
[ 69.125905][ T5835]
[ 69.128230][ T5835] CPU: 0 UID: 0 PID: 5835 Comm: syz-executor Not tainted 6.13.0-syzkaller-08997-gf34b580514c9 #0
[ 69.128241][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 69.128251][ T5835] Call Trace:
[ 69.128256][ T5835]
[ 69.128261][ T5835] dump_stack_lvl+0x241/0x360
[ 69.128275][ T5835] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.128283][ T5835] ? __pfx__printk+0x10/0x10
[ 69.128297][ T5835] ? _printk+0xd5/0x120
[ 69.128308][ T5835] ? __virt_addr_valid+0x183/0x530
[ 69.128321][ T5835] ? __virt_addr_valid+0x183/0x530
[ 69.128334][ T5835] print_report+0x169/0x550
[ 69.128344][ T5835] ? __virt_addr_valid+0x183/0x530
[ 69.128356][ T5835] ? __virt_addr_valid+0x183/0x530
[ 69.128367][ T5835] ? __virt_addr_valid+0x45f/0x530
[ 69.128379][ T5835] ? __phys_addr+0xba/0x170
[ 69.128390][ T5835] ? binder_add_device+0x5f/0xa0
[ 69.128402][ T5835] kasan_report+0x143/0x180
[ 69.128412][ T5835] ? binder_add_device+0x5f/0xa0
[ 69.128424][ T5835] binder_add_device+0x5f/0xa0
[ 69.128436][ T5835] binderfs_binder_device_create+0x7bf/0x9c0
[ 69.128449][ T5835] binderfs_fill_super+0x944/0xd90
[ 69.128461][ T5835] ? __pfx_binderfs_fill_super+0x10/0x10
[ 69.128476][ T5835] ? shrinker_register+0x160/0x230
[ 69.128490][ T5835] ? sget_fc+0x909/0x9c0
[ 69.128503][ T5835] ? __pfx_set_anon_super_fc+0x10/0x10
[ 69.128511][ T5835] ? __pfx_binderfs_fill_super+0x10/0x10
[ 69.128521][ T5835] get_tree_nodev+0xb7/0x140
[ 69.128530][ T5835] vfs_get_tree+0x90/0x2b0
[ 69.128540][ T5835] do_new_mount+0x2be/0xb40
[ 69.128552][ T5835] ? __pfx_do_new_mount+0x10/0x10
[ 69.128564][ T5835] __se_sys_mount+0x2d6/0x3c0
[ 69.128574][ T5835] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 69.128587][ T5835] ? __pfx___se_sys_mount+0x10/0x10
[ 69.128597][ T5835] ? do_syscall_64+0x100/0x230
[ 69.128611][ T5835] ? __x64_sys_mount+0x20/0xc0
[ 69.128622][ T5835] do_syscall_64+0xf3/0x230
[ 69.128635][ T5835] ? clear_bhb_loop+0x35/0x90
[ 69.128648][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.128661][ T5835] RIP: 0033:0x7f2c7ab7feba
[ 69.128673][ T5835] 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
[ 69.128681][ T5835] RSP: 002b:00007fff1ffd5148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 69.128691][ T5835] RAX: ffffffffffffffda RBX: 00007f2c7abf1761 RCX: 00007f2c7ab7feba
[ 69.128698][ T5835] RDX: 00007f2c7abfcba1 RSI: 00007f2c7abf1761 RDI: 00007f2c7abfcba1
[ 69.128704][ T5835] RBP: 00007f2c7abf1970 R08: 0000000000000000 R09: 00000000000001ff
[ 69.128710][ T5835] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2c7abdc068
[ 69.128715][ T5835] R13: 00007f2c7abdc048 R14: 0000000000000009 R15: 0000000000000000
[ 69.128724][ T5835]
[ 69.128739][ T5835]
[ 69.401906][ T5835] Allocated by task 5828:
[ 69.406225][ T5835] kasan_save_track+0x3f/0x80
[ 69.410896][ T5835] __kasan_kmalloc+0x98/0xb0
[ 69.415563][ T5835] __kmalloc_cache_noprof+0x243/0x390
[ 69.420920][ T5835] binderfs_binder_device_create+0x16c/0x9c0
[ 69.426889][ T5835] binderfs_fill_super+0x944/0xd90
[ 69.431988][ T5835] get_tree_nodev+0xb7/0x140
[ 69.436566][ T5835] vfs_get_tree+0x90/0x2b0
[ 69.440964][ T5835] do_new_mount+0x2be/0xb40
[ 69.445456][ T5835] __se_sys_mount+0x2d6/0x3c0
[ 69.450118][ T5835] do_syscall_64+0xf3/0x230
[ 69.454612][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.460503][ T5835]
[ 69.462845][ T5835] Freed by task 5828:
[ 69.466806][ T5835] kasan_save_track+0x3f/0x80
[ 69.471468][ T5835] kasan_save_free_info+0x40/0x50
[ 69.476479][ T5835] __kasan_slab_free+0x59/0x70
[ 69.481226][ T5835] kfree+0x196/0x430
[ 69.485107][ T5835] evict+0x4e8/0x9a0
[ 69.488996][ T5835] __dentry_kill+0x20d/0x630
[ 69.493578][ T5835] shrink_kill+0xa9/0x2c0
[ 69.497897][ T5835] shrink_dentry_list+0x2c0/0x5b0
[ 69.502930][ T5835] shrink_dcache_parent+0xcb/0x3b0
[ 69.508052][ T5835] do_one_tree+0x23/0xe0
[ 69.512307][ T5835] shrink_dcache_for_umount+0xb4/0x180
[ 69.517809][ T5835] generic_shutdown_super+0x6a/0x2d0
[ 69.523096][ T5835] kill_litter_super+0x76/0xb0
[ 69.527843][ T5835] binderfs_kill_super+0x44/0x90
[ 69.532772][ T5835] deactivate_locked_super+0xc4/0x130
[ 69.538137][ T5835] cleanup_mnt+0x41f/0x4b0
[ 69.542555][ T5835] task_work_run+0x24f/0x310
[ 69.547160][ T5835] do_exit+0xa2a/0x28e0
[ 69.551322][ T5835] do_group_exit+0x207/0x2c0
[ 69.555911][ T5835] get_signal+0x16b2/0x1750
[ 69.560413][ T5835] arch_do_signal_or_restart+0x96/0x860
[ 69.565945][ T5835] syscall_exit_to_user_mode+0xce/0x340
[ 69.571486][ T5835] do_syscall_64+0x100/0x230
[ 69.576095][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.581980][ T5835]
[ 69.584292][ T5835] The buggy address belongs to the object at ffff888029549c00
[ 69.584292][ T5835] which belongs to the cache kmalloc-512 of size 512
[ 69.598331][ T5835] The buggy address is located 8 bytes inside of
[ 69.598331][ T5835] freed 512-byte region [ffff888029549c00, ffff888029549e00)
[ 69.612025][ T5835]
[ 69.614338][ T5835] The buggy address belongs to the physical page:
[ 69.620751][ T5835] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888029548000 pfn:0x29548
[ 69.630805][ T5835] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 69.639290][ T5835] flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
[ 69.647788][ T5835] page_type: f5(slab)
[ 69.651774][ T5835] raw: 00fff00000000240 ffff88801ac41c80 ffffea0000c97b10 ffffea0000a3b710
[ 69.660342][ T5835] raw: ffff888029548000 000000000010000d 00000000f5000000 0000000000000000
[ 69.668931][ T5835] head: 00fff00000000240 ffff88801ac41c80 ffffea0000c97b10 ffffea0000a3b710
[ 69.677700][ T5835] head: ffff888029548000 000000000010000d 00000000f5000000 0000000000000000
[ 69.686539][ T5835] head: 00fff00000000002 ffffea0000a55201 ffffffffffffffff 0000000000000000
[ 69.695192][ T5835] head: ffff888000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 69.703843][ T5835] page dumped because: kasan: bad access detected
[ 69.710254][ T5835] page_owner tracks the page as allocated
[ 69.715953][ T5835] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5195, tgid 5195 (udevd), ts 34678841414, free_ts 34355745448
[ 69.736706][ T5835] post_alloc_hook+0x1f4/0x240
[ 69.741552][ T5835] get_page_from_freelist+0x3651/0x37a0
[ 69.747084][ T5835] __alloc_frozen_pages_noprof+0x292/0x710
[ 69.752877][ T5835] alloc_pages_mpol+0x311/0x660
[ 69.757715][ T5835] allocate_slab+0x8f/0x3a0
[ 69.762202][ T5835] ___slab_alloc+0xc27/0x14a0
[ 69.766865][ T5835] __slab_alloc+0x58/0xa0
[ 69.771180][ T5835] __kmalloc_cache_noprof+0x27b/0x390
[ 69.776540][ T5835] kernfs_fop_open+0x3e0/0xd10
[ 69.781290][ T5835] do_dentry_open+0xdec/0x1960
[ 69.786042][ T5835] vfs_open+0x3b/0x370
[ 69.790099][ T5835] path_openat+0x2c74/0x3580
[ 69.794768][ T5835] do_filp_open+0x27f/0x4e0
[ 69.799259][ T5835] do_sys_openat2+0x13e/0x1d0
[ 69.803933][ T5835] __x64_sys_openat+0x247/0x2a0
[ 69.808774][ T5835] do_syscall_64+0xf3/0x230
[ 69.813266][ T5835] page last free pid 5195 tgid 5195 stack trace:
[ 69.819583][ T5835] free_frozen_pages+0xe04/0x10e0
[ 69.824740][ T5835] __slab_free+0x2c2/0x380
[ 69.829152][ T5835] qlist_free_all+0x9a/0x140
[ 69.833813][ T5835] kasan_quarantine_reduce+0x14f/0x170
[ 69.839366][ T5835] __kasan_slab_alloc+0x23/0x80
[ 69.844207][ T5835] __kmalloc_cache_noprof+0x1d9/0x390
[ 69.849581][ T5835] kernfs_fop_open+0x3e0/0xd10
[ 69.854343][ T5835] do_dentry_open+0xdec/0x1960
[ 69.859095][ T5835] vfs_open+0x3b/0x370
[ 69.863153][ T5835] path_openat+0x2c74/0x3580
[ 69.867734][ T5835] do_filp_open+0x27f/0x4e0
[ 69.872228][ T5835] do_sys_openat2+0x13e/0x1d0
[ 69.876894][ T5835] __x64_sys_openat+0x247/0x2a0
[ 69.881733][ T5835] do_syscall_64+0xf3/0x230
[ 69.886234][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.892120][ T5835]
[ 69.894435][ T5835] Memory state around the buggy address:
[ 69.900134][ T5835] ffff888029549b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.908190][ T5835] ffff888029549b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.916265][ T5835] >ffff888029549c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.924445][ T5835] ^
[ 69.928858][ T5835] ffff888029549c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.937081][ T5835] ffff888029549d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.945127][ T5835] ==================================================================
[ 69.960957][ T5835] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 69.968198][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor Not tainted 6.13.0-syzkaller-08997-gf34b580514c9 #0
[ 69.978720][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 69.988765][ T5835] Call Trace:
[ 69.992032][ T5835]
[ 69.994956][ T5835] dump_stack_lvl+0x241/0x360
[ 69.999715][ T5835] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.004909][ T5835] ? __pfx__printk+0x10/0x10
[ 70.009486][ T5835] ? preempt_schedule+0xe1/0xf0
[ 70.014338][ T5835] ? vscnprintf+0x5d/0x90
[ 70.018696][ T5835] panic+0x349/0x880
[ 70.022681][ T5835] ? check_panic_on_warn+0x21/0xb0
[ 70.027781][ T5835] ? __pfx_panic+0x10/0x10
[ 70.032192][ T5835] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 70.038266][ T5835] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 70.044579][ T5835] ? print_report+0x502/0x550
[ 70.049243][ T5835] check_panic_on_warn+0x86/0xb0
[ 70.054190][ T5835] ? binder_add_device+0x5f/0xa0
[ 70.059153][ T5835] end_report+0x77/0x160
[ 70.063394][ T5835] kasan_report+0x154/0x180
[ 70.067885][ T5835] ? binder_add_device+0x5f/0xa0
[ 70.072816][ T5835] binder_add_device+0x5f/0xa0
[ 70.077570][ T5835] binderfs_binder_device_create+0x7bf/0x9c0
[ 70.083539][ T5835] binderfs_fill_super+0x944/0xd90
[ 70.088653][ T5835] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.094276][ T5835] ? shrinker_register+0x160/0x230
[ 70.099385][ T5835] ? sget_fc+0x909/0x9c0
[ 70.103635][ T5835] ? __pfx_set_anon_super_fc+0x10/0x10
[ 70.109094][ T5835] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.114808][ T5835] get_tree_nodev+0xb7/0x140
[ 70.119386][ T5835] vfs_get_tree+0x90/0x2b0
[ 70.123808][ T5835] do_new_mount+0x2be/0xb40
[ 70.128295][ T5835] ? __pfx_do_new_mount+0x10/0x10
[ 70.133308][ T5835] __se_sys_mount+0x2d6/0x3c0
[ 70.137999][ T5835] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 70.143981][ T5835] ? __pfx___se_sys_mount+0x10/0x10
[ 70.149170][ T5835] ? do_syscall_64+0x100/0x230
[ 70.153918][ T5835] ? __x64_sys_mount+0x20/0xc0
[ 70.158676][ T5835] do_syscall_64+0xf3/0x230
[ 70.163164][ T5835] ? clear_bhb_loop+0x35/0x90
[ 70.167827][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.173723][ T5835] RIP: 0033:0x7f2c7ab7feba
[ 70.178127][ T5835] 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
[ 70.197724][ T5835] RSP: 002b:00007fff1ffd5148 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 70.206135][ T5835] RAX: ffffffffffffffda RBX: 00007f2c7abf1761 RCX: 00007f2c7ab7feba
[ 70.214096][ T5835] RDX: 00007f2c7abfcba1 RSI: 00007f2c7abf1761 RDI: 00007f2c7abfcba1
[ 70.222057][ T5835] RBP: 00007f2c7abf1970 R08: 0000000000000000 R09: 00000000000001ff
[ 70.230028][ T5835] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2c7abdc068
[ 70.237997][ T5835] R13: 00007f2c7abdc048 R14: 0000000000000009 R15: 0000000000000000
[ 70.246052][ T5835]
[ 70.249437][ T5835] Kernel Offset: disabled
[ 70.253764][ T5835] 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-build1140186421=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at 179b040e9d
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=179b040e9d2068ccf2d0e0d3b084dd2293d85e04 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241107-165040'" "-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=\"179b040e9d2068ccf2d0e0d3b084dd2293d85e04\"
/usr/bin/ld: /tmp/ccIvUyHG.o: in function `test_cover_filter()':
executor.cc:(.text+0x1426b): warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/bin/ld: /tmp/ccIvUyHG.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