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 ffff888143ba5808 by task syz-executor/5836
CPU: 0 UID: 0 PID: 5836 Comm: syz-executor Not tainted 6.13.0-syzkaller-09030-g6d61a53dd6f5 #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: 0033:0x7fc268381faa
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:00007fff46885aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc2683f3d01 RCX: 00007fc268381faa
RDX: 00007fc2683ff2c8 RSI: 00007fc2683f3d01 RDI: 00007fc2683ff2c8
RBP: 00007fc2683f3f10 R08: 0000000000000000 R09: 00007fff46885b50
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc2683de068
R13: 00007fc2683de048 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5838:
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 5838:
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 ffff888143ba5800
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888143ba5800, ffff888143ba5a00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x143ba4
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000002 ffffea00050ee901 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 7197359210, free_ts 0
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+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_node_noprof+0x294/0x3a0 mm/slub.c:4333
kmalloc_node_noprof include/linux/slab.h:924 [inline]
blkg_alloc+0xd6/0x810 block/blk-cgroup.c:311
blkcg_init_disk+0x55/0x120 block/blk-cgroup.c:1466
__alloc_disk_node+0x2d2/0x580 block/genhd.c:1408
__blk_mq_alloc_disk+0x218/0x370 block/blk-mq.c:4394
loop_add+0x441/0xaf0 drivers/block/loop.c:2050
loop_init+0x168/0x220 drivers/block/loop.c:2285
do_one_initcall+0x248/0x870 init/main.c:1257
do_initcall_level+0x157/0x210 init/main.c:1319
page_owner free stack trace missing
Memory state around the buggy address:
ffff888143ba5700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888143ba5780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888143ba5800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888143ba5880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888143ba5900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts.
2025/01/28 06:42:23 ignoring optional flag "sandboxArg"="0"
2025/01/28 06:42:24 parsed 1 programs
[ 67.327700][ T5823] cgroup: Unknown subsys name 'net'
[ 67.435778][ T5823] cgroup: Unknown subsys name 'cpuset'
[ 67.444300][ T5823] cgroup: Unknown subsys name 'rlimit'
[ 68.730202][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 71.037930][ T5837] 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.
[ 71.125770][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 71.144477][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 71.219572][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 71.228661][ T5839] chnl_net:caif_netlink_parms(): no params data found
[ 71.250272][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 71.340276][ T5836] ==================================================================
[ 71.348654][ T5836] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 71.356417][ T5836] Write of size 8 at addr ffff888143ba5808 by task syz-executor/5836
[ 71.364761][ T5836]
[ 71.367118][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor Not tainted 6.13.0-syzkaller-09030-g6d61a53dd6f5 #0
[ 71.367137][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 71.367149][ T5836] Call Trace:
[ 71.367155][ T5836]
[ 71.367162][ T5836] dump_stack_lvl+0x241/0x360
[ 71.367183][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.367196][ T5836] ? __pfx__printk+0x10/0x10
[ 71.367215][ T5836] ? _printk+0xd5/0x120
[ 71.367233][ T5836] ? __virt_addr_valid+0x183/0x530
[ 71.367253][ T5836] ? __virt_addr_valid+0x183/0x530
[ 71.367272][ T5836] print_report+0x169/0x550
[ 71.367288][ T5836] ? __virt_addr_valid+0x183/0x530
[ 71.367307][ T5836] ? __virt_addr_valid+0x183/0x530
[ 71.367325][ T5836] ? __virt_addr_valid+0x45f/0x530
[ 71.367344][ T5836] ? __phys_addr+0xba/0x170
[ 71.367364][ T5836] ? binder_add_device+0x5f/0xa0
[ 71.367383][ T5836] kasan_report+0x143/0x180
[ 71.367400][ T5836] ? binder_add_device+0x5f/0xa0
[ 71.367421][ T5836] binder_add_device+0x5f/0xa0
[ 71.367448][ T5836] binderfs_binder_device_create+0x7bf/0x9c0
[ 71.367468][ T5836] binderfs_fill_super+0x944/0xd90
[ 71.367488][ T5836] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.367513][ T5836] ? shrinker_register+0x160/0x230
[ 71.367534][ T5836] ? sget_fc+0x909/0x9c0
[ 71.367556][ T5836] ? __pfx_set_anon_super_fc+0x10/0x10
[ 71.367570][ T5836] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.367588][ T5836] get_tree_nodev+0xb7/0x140
[ 71.367604][ T5836] vfs_get_tree+0x90/0x2b0
[ 71.367621][ T5836] do_new_mount+0x2be/0xb40
[ 71.367641][ T5836] ? __pfx_do_new_mount+0x10/0x10
[ 71.367663][ T5836] __se_sys_mount+0x2d6/0x3c0
[ 71.367681][ T5836] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 71.367702][ T5836] ? __pfx___se_sys_mount+0x10/0x10
[ 71.367721][ T5836] ? do_syscall_64+0x100/0x230
[ 71.367743][ T5836] ? __x64_sys_mount+0x20/0xc0
[ 71.367762][ T5836] do_syscall_64+0xf3/0x230
[ 71.367782][ T5836] ? clear_bhb_loop+0x35/0x90
[ 71.367803][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.367823][ T5836] RIP: 0033:0x7fc268381faa
[ 71.367844][ T5836] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 71.367857][ T5836] RSP: 002b:00007fff46885aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 71.367875][ T5836] RAX: ffffffffffffffda RBX: 00007fc2683f3d01 RCX: 00007fc268381faa
[ 71.367887][ T5836] RDX: 00007fc2683ff2c8 RSI: 00007fc2683f3d01 RDI: 00007fc2683ff2c8
[ 71.367898][ T5836] RBP: 00007fc2683f3f10 R08: 0000000000000000 R09: 00007fff46885b50
[ 71.367909][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc2683de068
[ 71.367919][ T5836] R13: 00007fc2683de048 R14: 0000000000000009 R15: 0000000000000000
[ 71.367935][ T5836]
[ 71.367940][ T5836]
[ 71.643245][ T5836] Allocated by task 5838:
[ 71.647555][ T5836] kasan_save_track+0x3f/0x80
[ 71.652224][ T5836] __kasan_kmalloc+0x98/0xb0
[ 71.656839][ T5836] __kmalloc_cache_noprof+0x243/0x390
[ 71.662297][ T5836] binderfs_binder_device_create+0x16c/0x9c0
[ 71.668271][ T5836] binderfs_fill_super+0x944/0xd90
[ 71.673451][ T5836] get_tree_nodev+0xb7/0x140
[ 71.678123][ T5836] vfs_get_tree+0x90/0x2b0
[ 71.682613][ T5836] do_new_mount+0x2be/0xb40
[ 71.687155][ T5836] __se_sys_mount+0x2d6/0x3c0
[ 71.691848][ T5836] do_syscall_64+0xf3/0x230
[ 71.696446][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.702346][ T5836]
[ 71.704660][ T5836] Freed by task 5838:
[ 71.708619][ T5836] kasan_save_track+0x3f/0x80
[ 71.713386][ T5836] kasan_save_free_info+0x40/0x50
[ 71.718397][ T5836] __kasan_slab_free+0x59/0x70
[ 71.723162][ T5836] kfree+0x196/0x430
[ 71.727046][ T5836] evict+0x4e8/0x9a0
[ 71.730979][ T5836] __dentry_kill+0x20d/0x630
[ 71.735571][ T5836] shrink_kill+0xa9/0x2c0
[ 71.739904][ T5836] shrink_dentry_list+0x2c0/0x5b0
[ 71.744923][ T5836] shrink_dcache_parent+0xcb/0x3b0
[ 71.750202][ T5836] do_one_tree+0x23/0xe0
[ 71.754525][ T5836] shrink_dcache_for_umount+0xb4/0x180
[ 71.760144][ T5836] generic_shutdown_super+0x6a/0x2d0
[ 71.765424][ T5836] kill_litter_super+0x76/0xb0
[ 71.770349][ T5836] binderfs_kill_super+0x44/0x90
[ 71.775508][ T5836] deactivate_locked_super+0xc4/0x130
[ 71.780991][ T5836] cleanup_mnt+0x41f/0x4b0
[ 71.785403][ T5836] task_work_run+0x24f/0x310
[ 71.790071][ T5836] do_exit+0xa2a/0x28e0
[ 71.794417][ T5836] do_group_exit+0x207/0x2c0
[ 71.799002][ T5836] get_signal+0x16b2/0x1750
[ 71.803670][ T5836] arch_do_signal_or_restart+0x96/0x860
[ 71.809235][ T5836] syscall_exit_to_user_mode+0xce/0x340
[ 71.814858][ T5836] do_syscall_64+0x100/0x230
[ 71.819434][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.825403][ T5836]
[ 71.827727][ T5836] The buggy address belongs to the object at ffff888143ba5800
[ 71.827727][ T5836] which belongs to the cache kmalloc-512 of size 512
[ 71.837282][ T1291] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.841764][ T5836] The buggy address is located 8 bytes inside of
[ 71.841764][ T5836] freed 512-byte region [ffff888143ba5800, ffff888143ba5a00)
[ 71.841783][ T5836]
[ 71.841788][ T5836] The buggy address belongs to the physical page:
[ 71.841805][ T5836] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x143ba4
[ 71.841821][ T5836] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 71.841834][ T5836] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
[ 71.848825][ T1291] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.862011][ T5836] page_type: f5(slab)
[ 71.862030][ T5836] raw: 057ff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
[ 71.862042][ T5836] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 71.862054][ T5836] head: 057ff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
[ 71.862065][ T5836] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 71.862077][ T5836] head: 057ff00000000002 ffffea00050ee901 ffffffffffffffff 0000000000000000
[ 71.862089][ T5836] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 71.862097][ T5836] page dumped because: kasan: bad access detected
[ 71.862115][ T5836] page_owner tracks the page as allocated
[ 71.970276][ T5836] 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 7197359210, free_ts 0
[ 71.989909][ T5836] post_alloc_hook+0x1f4/0x240
[ 71.994758][ T5836] get_page_from_freelist+0x3651/0x37a0
[ 72.000323][ T5836] __alloc_frozen_pages_noprof+0x292/0x710
[ 72.006115][ T5836] alloc_pages_mpol+0x311/0x660
[ 72.010963][ T5836] allocate_slab+0x8f/0x3a0
[ 72.015465][ T5836] ___slab_alloc+0xc27/0x14a0
[ 72.020130][ T5836] __slab_alloc+0x58/0xa0
[ 72.024533][ T5836] __kmalloc_cache_node_noprof+0x294/0x3a0
[ 72.030670][ T5836] blkg_alloc+0xd6/0x810
[ 72.034924][ T5836] blkcg_init_disk+0x55/0x120
[ 72.039592][ T5836] __alloc_disk_node+0x2d2/0x580
[ 72.044518][ T5836] __blk_mq_alloc_disk+0x218/0x370
[ 72.049617][ T5836] loop_add+0x441/0xaf0
[ 72.053852][ T5836] loop_init+0x168/0x220
[ 72.058102][ T5836] do_one_initcall+0x248/0x870
[ 72.062857][ T5836] do_initcall_level+0x157/0x210
[ 72.067807][ T5836] page_owner free stack trace missing
[ 72.073344][ T5836]
[ 72.075656][ T5836] Memory state around the buggy address:
[ 72.081270][ T5836] ffff888143ba5700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 72.089414][ T5836] ffff888143ba5780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 72.097484][ T5836] >ffff888143ba5800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 72.105616][ T5836] ^
[ 72.109955][ T5836] ffff888143ba5880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 72.118008][ T5836] ffff888143ba5900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 72.126169][ T5836] ==================================================================
[ 72.140203][ T5836] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 72.147520][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor Not tainted 6.13.0-syzkaller-09030-g6d61a53dd6f5 #0
[ 72.158170][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 72.168347][ T5836] Call Trace:
[ 72.171882][ T5836]
[ 72.174818][ T5836] dump_stack_lvl+0x241/0x360
[ 72.179491][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10
[ 72.184906][ T5836] ? __pfx__printk+0x10/0x10
[ 72.189577][ T5836] ? preempt_schedule+0xe1/0xf0
[ 72.194421][ T5836] ? vscnprintf+0x5d/0x90
[ 72.198761][ T5836] panic+0x349/0x880
[ 72.202654][ T5836] ? check_panic_on_warn+0x21/0xb0
[ 72.207759][ T5836] ? __pfx_panic+0x10/0x10
[ 72.212166][ T5836] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 72.218181][ T5836] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 72.224583][ T5836] ? print_report+0x502/0x550
[ 72.229413][ T5836] check_panic_on_warn+0x86/0xb0
[ 72.234342][ T5836] ? binder_add_device+0x5f/0xa0
[ 72.239273][ T5836] end_report+0x77/0x160
[ 72.243511][ T5836] kasan_report+0x154/0x180
[ 72.248138][ T5836] ? binder_add_device+0x5f/0xa0
[ 72.253086][ T5836] binder_add_device+0x5f/0xa0
[ 72.257849][ T5836] binderfs_binder_device_create+0x7bf/0x9c0
[ 72.263828][ T5836] binderfs_fill_super+0x944/0xd90
[ 72.268939][ T5836] ? __pfx_binderfs_fill_super+0x10/0x10
[ 72.274652][ T5836] ? shrinker_register+0x160/0x230
[ 72.279778][ T5836] ? sget_fc+0x909/0x9c0
[ 72.284139][ T5836] ? __pfx_set_anon_super_fc+0x10/0x10
[ 72.289675][ T5836] ? __pfx_binderfs_fill_super+0x10/0x10
[ 72.295324][ T5836] get_tree_nodev+0xb7/0x140
[ 72.299916][ T5836] vfs_get_tree+0x90/0x2b0
[ 72.304419][ T5836] do_new_mount+0x2be/0xb40
[ 72.309000][ T5836] ? __pfx_do_new_mount+0x10/0x10
[ 72.314032][ T5836] __se_sys_mount+0x2d6/0x3c0
[ 72.318795][ T5836] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 72.324794][ T5836] ? __pfx___se_sys_mount+0x10/0x10
[ 72.329989][ T5836] ? do_syscall_64+0x100/0x230
[ 72.334833][ T5836] ? __x64_sys_mount+0x20/0xc0
[ 72.339588][ T5836] do_syscall_64+0xf3/0x230
[ 72.344102][ T5836] ? clear_bhb_loop+0x35/0x90
[ 72.348957][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.354843][ T5836] RIP: 0033:0x7fc268381faa
[ 72.359261][ T5836] 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
[ 72.378959][ T5836] RSP: 002b:00007fff46885aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 72.387374][ T5836] RAX: ffffffffffffffda RBX: 00007fc2683f3d01 RCX: 00007fc268381faa
[ 72.395375][ T5836] RDX: 00007fc2683ff2c8 RSI: 00007fc2683f3d01 RDI: 00007fc2683ff2c8
[ 72.403350][ T5836] RBP: 00007fc2683f3f10 R08: 0000000000000000 R09: 00007fff46885b50
[ 72.411409][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc2683de068
[ 72.419369][ T5836] R13: 00007fc2683de048 R14: 0000000000000009 R15: 0000000000000000
[ 72.427421][ T5836]
[ 72.430934][ T5836] Kernel Offset: disabled
[ 72.435296][ T5836] 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-build3564353513=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at 5df2386563
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=5df2386563cbffa1bbbb9d0b8ec1eebb98d051ae -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241127-103352'" "-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=\"5df2386563cbffa1bbbb9d0b8ec1eebb98d051ae\"
/usr/bin/ld: /tmp/ccZIPfc2.o: in function `test_cover_filter()':
executor.cc:(.text+0x14f2b): warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/bin/ld: /tmp/ccZIPfc2.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