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
Write of size 8 at addr ffff888145370408 by task syz-executor/5857
CPU: 1 UID: 0 PID: 5857 Comm: syz-executor Not tainted 6.13.0-rc7-next-20250117-syzkaller-09563-g0907e7fb3575 #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: 0033:0x7f48d8d874ca
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:00007ffeaff631d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f48d8e01ecb RCX: 00007f48d8d874ca
RDX: 00007f48d8e0ec27 RSI: 00007f48d8e01ecb RDI: 00007f48d8e0ec27
RBP: 00007f48d8e020c3 R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48d8de41c8
R13: 00007f48d8de41a8 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5849:
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 5849:
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 ffff888145370400
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888145370400, ffff888145370600)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x145370
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 ffffea000514dc01 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 9221181038, 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+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]
__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]
device_private_init drivers/base/core.c:3510 [inline]
device_add+0xc1/0xbf0 drivers/base/core.c:3561
device_create_groups_vargs drivers/base/core.c:4347 [inline]
device_create+0x257/0x2e0 drivers/base/core.c:4386
mon_bin_add+0xb1/0x120 drivers/usb/mon/mon_bin.c:1370
mon_bus_init+0x169/0x2a0 drivers/usb/mon/mon_main.c:291
mon_bus_add drivers/usb/mon/mon_main.c:188 [inline]
mon_notify+0x112/0x3f0 drivers/usb/mon/mon_main.c:219
notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85
blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:380
usb_register_bus drivers/usb/core/hcd.c:908 [inline]
usb_add_hcd+0x4d3/0x1110 drivers/usb/core/hcd.c:2865
page_owner free stack trace missing
Memory state around the buggy address:
ffff888145370300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888145370380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888145370400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888145370480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888145370500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.0.212' (ED25519) to the list of known hosts.
2025/01/19 01:55:12 ignoring optional flag "sandboxArg"="0"
2025/01/19 01:55:13 parsed 1 programs
[ 65.819279][ T5834] cgroup: Unknown subsys name 'net'
[ 65.946022][ T5834] cgroup: Unknown subsys name 'cpuset'
[ 65.953461][ T5834] cgroup: Unknown subsys name 'rlimit'
[ 67.298287][ T5834] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 70.260369][ T5848] 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.
[ 70.448988][ T5847] chnl_net:caif_netlink_parms(): no params data found
[ 70.514329][ T5857] ==================================================================
[ 70.514366][ T5857] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 70.514420][ T5857] Write of
** replaying previous printk message **
[ 70.514420][ T5857] Write of size 8 at addr ffff888145370408 by task syz-executor/5857
[ 70.514443][ T5857]
[ 70.514474][ T5857] CPU: 1 UID: 0 PID: 5857 Comm: syz-executor Not tainted 6.13.0-rc7-next-20250117-syzkaller-09563-g0907e7fb3575 #0
[ 70.514493][ T5857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 70.514507][ T5857] Call Trace:
[ 70.514513][ T5857]
[ 70.514520][ T5857] dump_stack_lvl+0x241/0x360
[ 70.514540][ T5857] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.514556][ T5857] ? __pfx__printk+0x10/0x10
[ 70.514579][ T5857] ? _printk+0xd5/0x120
[ 70.514599][ T5857] ? __virt_addr_valid+0x183/0x530
[ 70.514621][ T5857] ? __virt_addr_valid+0x183/0x530
[ 70.514642][ T5857] print_report+0x169/0x550
[ 70.514664][ T5857] ? __virt_addr_valid+0x183/0x530
[ 70.514684][ T5857] ? __virt_addr_valid+0x183/0x530
[ 70.514703][ T5857] ? __virt_addr_valid+0x45f/0x530
[ 70.514723][ T5857] ? __phys_addr+0xba/0x170
[ 70.514744][ T5857] ? binder_add_device+0x5f/0xa0
[ 70.514760][ T5857] kasan_report+0x143/0x180
[ 70.514782][ T5857] ? binder_add_device+0x5f/0xa0
[ 70.514800][ T5857] binder_add_device+0x5f/0xa0
[ 70.514816][ T5857] binderfs_binder_device_create+0x7bf/0x9c0
[ 70.514836][ T5857] binderfs_fill_super+0x944/0xd90
[ 70.514855][ T5857] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.514904][ T5857] ? shrinker_register+0x160/0x230
[ 70.514923][ T5857] ? sget_fc+0x909/0x9c0
[ 70.514942][ T5857] ? __pfx_set_anon_super_fc+0x10/0x10
[ 70.514960][ T5857] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.514976][ T5857] get_tree_nodev+0xb7/0x140
[ 70.514996][ T5857] vfs_get_tree+0x90/0x2b0
[ 70.515015][ T5857] do_new_mount+0x2be/0xb40
[ 70.515039][ T5857] ? __pfx_do_new_mount+0x10/0x10
[ 70.515070][ T5857] __se_sys_mount+0x2d6/0x3c0
[ 70.515083][ T5857] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 70.515103][ T5857] ? __pfx___se_sys_mount+0x10/0x10
[ 70.515119][ T5857] ? do_syscall_64+0x100/0x230
[ 70.515138][ T5857] ? __x64_sys_mount+0x20/0xc0
[ 70.515152][ T5857] do_syscall_64+0xf3/0x230
[ 70.515170][ T5857] ? clear_bhb_loop+0x35/0x90
[ 70.515191][ T5857] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.515217][ T5857] RIP: 0033:0x7f48d8d874ca
[ 70.515235][ T5857] 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
[ 70.515248][ T5857] RSP: 002b:00007ffeaff631d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 70.515267][ T5857] RAX: ffffffffffffffda RBX: 00007f48d8e01ecb RCX: 00007f48d8d874ca
[ 70.515279][ T5857] RDX: 00007f48d8e0ec27 RSI: 00007f48d8e01ecb RDI: 00007f48d8e0ec27
[ 70.515291][ T5857] RBP: 00007f48d8e020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 70.515302][ T5857] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48d8de41c8
[ 70.515312][ T5857] R13: 00007f48d8de41a8 R14: 0000000000000009 R15: 0000000000000000
[ 70.515329][ T5857]
[ 70.515335][ T5857]
[ 70.515663][ T5857] Allocated by task 5849:
[ 70.515681][ T5857] kasan_save_track+0x3f/0x80
[ 70.515709][ T5857] __kasan_kmalloc+0x98/0xb0
[ 70.515737][ T5857] __kmalloc_cache_noprof+0x243/0x390
[ 70.515763][ T5857] binderfs_binder_device_create+0x16c/0x9c0
[ 70.515788][ T5857] binderfs_fill_super+0x944/0xd90
[ 70.515811][ T5857] get_tree_nodev+0xb7/0x140
[ 70.515837][ T5857] vfs_get_tree+0x90/0x2b0
[ 70.515864][ T5857] do_new_mount+0x2be/0xb40
[ 70.515893][ T5857] __se_sys_mount+0x2d6/0x3c0
[ 70.515916][ T5857] do_syscall_64+0xf3/0x230
[ 70.515941][ T5857] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.515969][ T5857]
[ 70.515984][ T5857] Freed by task 5849:
[ 70.516001][ T5857] kasan_save_track+0x3f/0x80
[ 70.516028][ T5857] kasan_save_free_info+0x40/0x50
[ 70.516053][ T5857] __kasan_slab_free+0x59/0x70
[ 70.516086][ T5857] kfree+0x196/0x430
[ 70.516108][ T5857] evict+0x4e8/0x9a0
[ 70.516135][ T5857] __dentry_kill+0x20d/0x630
[ 70.516159][ T5857] shrink_kill+0xa9/0x2c0
[ 70.516183][ T5857] shrink_dentry_list+0x2c0/0x5b0
[ 70.516207][ T5857] shrink_dcache_parent+0xcb/0x3b0
[ 70.516233][ T5857] do_one_tree+0x23/0xe0
[ 70.516257][ T5857] shrink_dcache_for_umount+0xb4/0x180
[ 70.516283][ T5857] generic_shutdown_super+0x6a/0x2d0
[ 70.516308][ T5857] kill_litter_super+0x76/0xb0
[ 70.516334][ T5857] binderfs_kill_super+0x44/0x90
[ 70.516356][ T5857] deactivate_locked_super+0xc4/0x130
[ 70.516378][ T5857] cleanup_mnt+0x41f/0x4b0
[ 70.516399][ T5857] task_work_run+0x24f/0x310
[ 70.516425][ T5857] do_exit+0xa2a/0x28e0
[ 70.516450][ T5857] do_group_exit+0x207/0x2c0
[ 70.516474][ T5857] get_signal+0x16b2/0x1750
[ 70.516496][ T5857] arch_do_signal_or_restart+0x96/0x860
[ 70.516518][ T5857] syscall_exit_to_user_mode+0xce/0x340
[ 70.516543][ T5857] do_syscall_64+0x100/0x230
[ 70.516568][ T5857] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.516595][ T5857]
[ 70.516608][ T5857] The buggy address belongs to the object at ffff888145370400
[ 70.516608][ T5857] which belongs to the cache kmalloc-512 of size 512
[ 70.516632][ T5857] The buggy address is located 8 bytes inside of
[ 70.516632][ T5857] freed 512-byte region [ffff888145370400, ffff888145370600)
[ 70.516659][ T5857]
[ 70.516674][ T5857] The buggy address belongs to the physical page:
[ 70.516691][ T5857] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x145370
[ 70.516728][ T5857] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 70.516752][ T5857] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
[ 70.516782][ T5857] page_type: f5(slab)
[ 70.516806][ T5857] raw: 057ff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
[ 70.516830][ T5857] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 70.516855][ T5857] head: 057ff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
[ 70.516878][ T5857] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 70.516902][ T5857] head: 057ff00000000002 ffffea000514dc01 ffffffffffffffff 0000000000000000
[ 70.516924][ T5857] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 70.516943][ T5857] page dumped because: kasan: bad access detected
[ 70.516965][ T5857] page_owner tracks the page as allocated
[ 70.516982][ T5857] 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 9221181038, free_ts 0
[ 70.517024][ T5857] post_alloc_hook+0x1f4/0x240
[ 70.517051][ T5857] get_page_from_freelist+0x365c/0x37a0
[ 70.517195][ T5857] __alloc_frozen_pages_noprof+0x292/0x710
[ 70.517226][ T5857] alloc_pages_mpol+0x311/0x660
[ 70.517258][ T5857] allocate_slab+0x8f/0x3a0
[ 70.517286][ T5857] ___slab_alloc+0xc27/0x14a0
[ 70.517311][ T5857] __slab_alloc+0x58/0xa0
[ 70.517336][ T5857] __kmalloc_cache_noprof+0x27b/0x390
[ 70.517359][ T5857] device_add+0xc1/0xbf0
[ 70.517388][ T5857] device_create+0x257/0x2e0
[ 70.517421][ T5857] mon_bin_add+0xb1/0x120
[ 70.517448][ T5857] mon_bus_init+0x169/0x2a0
[ 70.517474][ T5857] mon_notify+0x112/0x3f0
[ 70.517499][ T5857] notifier_call_chain+0x1a5/0x3f0
[ 70.517528][ T5857] blocking_notifier_call_chain+0x69/0x90
[ 70.517560][ T5857] usb_add_hcd+0x4d3/0x1110
[ 70.517591][ T5857] page_owner free stack trace missing
[ 70.517605][ T5857]
[ 70.517615][ T5857] Memory state around the buggy address:
[ 70.517631][ T5857] ffff888145370300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 70.517650][ T5857] ffff888145370380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 70.517669][ T5857] >ffff888145370400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.517684][ T5857] ^
[ 70.517699][ T5857] ffff888145370480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.517715][ T5857] ffff888145370500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.517729][ T5857] ==================================================================
[ 70.536727][ T5857] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 71.310876][ T5857] CPU: 1 UID: 0 PID: 5857 Comm: syz-executor Not tainted 6.13.0-rc7-next-20250117-syzkaller-09563-g0907e7fb3575 #0
[ 71.323017][ T5857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 71.333234][ T5857] Call Trace:
[ 71.337124][ T5857]
[ 71.340066][ T5857] dump_stack_lvl+0x241/0x360
[ 71.344740][ T5857] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.349931][ T5857] ? __pfx__printk+0x10/0x10
[ 71.354527][ T5857] ? preempt_schedule+0xe1/0xf0
[ 71.359370][ T5857] ? vscnprintf+0x5d/0x90
[ 71.363717][ T5857] panic+0x349/0x880
[ 71.367630][ T5857] ? check_panic_on_warn+0x21/0xb0
[ 71.372826][ T5857] ? __pfx_panic+0x10/0x10
[ 71.377240][ T5857] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 71.383214][ T5857] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 71.389537][ T5857] ? print_report+0x502/0x550
[ 71.394210][ T5857] check_panic_on_warn+0x86/0xb0
[ 71.399138][ T5857] ? binder_add_device+0x5f/0xa0
[ 71.404167][ T5857] end_report+0x77/0x160
[ 71.408403][ T5857] kasan_report+0x154/0x180
[ 71.412901][ T5857] ? binder_add_device+0x5f/0xa0
[ 71.417834][ T5857] binder_add_device+0x5f/0xa0
[ 71.422588][ T5857] binderfs_binder_device_create+0x7bf/0x9c0
[ 71.428574][ T5857] binderfs_fill_super+0x944/0xd90
[ 71.433791][ T5857] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.439432][ T5857] ? shrinker_register+0x160/0x230
[ 71.444716][ T5857] ? sget_fc+0x909/0x9c0
[ 71.448974][ T5857] ? __pfx_set_anon_super_fc+0x10/0x10
[ 71.454435][ T5857] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.460060][ T5857] get_tree_nodev+0xb7/0x140
[ 71.464783][ T5857] vfs_get_tree+0x90/0x2b0
[ 71.469287][ T5857] do_new_mount+0x2be/0xb40
[ 71.474643][ T5857] ? __pfx_do_new_mount+0x10/0x10
[ 71.479855][ T5857] __se_sys_mount+0x2d6/0x3c0
[ 71.484609][ T5857] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 71.490756][ T5857] ? __pfx___se_sys_mount+0x10/0x10
[ 71.496033][ T5857] ? do_syscall_64+0x100/0x230
[ 71.500790][ T5857] ? __x64_sys_mount+0x20/0xc0
[ 71.505544][ T5857] do_syscall_64+0xf3/0x230
[ 71.510664][ T5857] ? clear_bhb_loop+0x35/0x90
[ 71.515343][ T5857] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.521246][ T5857] RIP: 0033:0x7f48d8d874ca
[ 71.525781][ T5857] 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
[ 71.545464][ T5857] RSP: 002b:00007ffeaff631d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 71.554148][ T5857] RAX: ffffffffffffffda RBX: 00007f48d8e01ecb RCX: 00007f48d8d874ca
[ 71.562113][ T5857] RDX: 00007f48d8e0ec27 RSI: 00007f48d8e01ecb RDI: 00007f48d8e0ec27
[ 71.570076][ T5857] RBP: 00007f48d8e020c3 R08: 0000000000000000 R09: 00000000000001ff
[ 71.578039][ T5857] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48d8de41c8
[ 71.586194][ T5857] R13: 00007f48d8de41a8 R14: 0000000000000009 R15: 0000000000000000
[ 71.594197][ T5857]
[ 72.722245][ T5857] Shutting down cpus with NMI
[ 72.727446][ T5857] Kernel Offset: disabled
[ 72.731779][ T5857] 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/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-build1520536305=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at d3ccff6372
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=d3ccff6372e07c6aabd02b5da419aa6492b5f0ad -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241226-091248'" "-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=\"d3ccff6372e07c6aabd02b5da419aa6492b5f0ad\"
/usr/bin/ld: /tmp/cc1jNwlg.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