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 ffff888028c89408 by task syz-executor/5848
CPU: 0 UID: 0 PID: 5848 Comm: syz-executor Not tainted 6.13.0-next-20250121-syzkaller-gf066b5a6c7a0-dirty #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: 0033:0x7fcf561874ca
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:00007fcf5649ff68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcf56201e6b RCX: 00007fcf561874ca
RDX: 00007fcf5620ebc7 RSI: 00007fcf56201e6b RDI: 00007fcf5620ebc7
RBP: 00007fcf56202063 R08: 0000000000000000 R09: 0000000000000100
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcf561e41c8
R13: 00007fcf561e41a8 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5842:
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 5842:
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:637
shrink_kill+0xa9/0x2c0 fs/dcache.c:1082
shrink_dentry_list+0x2c0/0x5b0 fs/dcache.c:1109
shrink_dcache_parent+0xcb/0x3b0
do_one_tree+0x23/0xe0 fs/dcache.c:1572
shrink_dcache_for_umount+0xb4/0x180 fs/dcache.c:1589
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 ffff888028c89400
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888028c89400, ffff888028c89600)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28c88
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000002 ffffea0000a32201 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 8763242135, 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
usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:250
usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:291
really_probe+0x2b9/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
page_owner free stack trace missing
Memory state around the buggy address:
ffff888028c89300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888028c89380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888028c89400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888028c89480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888028c89500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.0.247' (ED25519) to the list of known hosts.
2025/01/21 08:27:49 ignoring optional flag "sandboxArg"="0"
2025/01/21 08:27:49 parsed 1 programs
[ 65.116138][ T5832] cgroup: Unknown subsys name 'net'
[ 65.243101][ T5832] cgroup: Unknown subsys name 'cpuset'
[ 65.250413][ T5832] cgroup: Unknown subsys name 'rlimit'
[ 66.544254][ T5832] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 68.986405][ T5842] 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.
[ 69.246787][
** replaying previous printk message **
[ 69.246787][ T5848] ==================================================================
[ 69.246827][ T5848] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 69.246884][ T5848] Write of size 8 at addr ffff888028c89408 by task syz-executor/5848
[ 69.246905][ T5848]
[ 69.246936][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: syz-executor Not tainted 6.13.0-next-20250121-syzkaller-gf066b5a6c7a0-dirty #0
[ 69.246953][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 69.246970][ T5848] Call Trace:
[ 69.246977][ T5848]
[ 69.246984][ T5848] dump_stack_lvl+0x241/0x360
[ 69.247003][ T5848] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.247018][ T5848] ? __pfx__printk+0x10/0x10
[ 69.247033][ T5848] ? _printk+0xd5/0x120
[ 69.247046][ T5848] ? __virt_addr_valid+0x183/0x530
[ 69.247067][ T5848] ? __virt_addr_valid+0x183/0x530
[ 69.247088][ T5848] print_report+0x169/0x550
[ 69.247110][ T5848] ? __virt_addr_valid+0x183/0x530
[ 69.247128][ T5848] ? __virt_addr_valid+0x183/0x530
[ 69.247147][ T5848] ? __virt_addr_valid+0x45f/0x530
[ 69.247166][ T5848] ? __phys_addr+0xba/0x170
[ 69.247187][ T5848] ? binder_add_device+0x5f/0xa0
[ 69.247206][ T5848] kasan_report+0x143/0x180
[ 69.247227][ T5848] ? binder_add_device+0x5f/0xa0
[ 69.247249][ T5848] binder_add_device+0x5f/0xa0
[ 69.247268][ T5848] binderfs_binder_device_create+0x7bf/0x9c0
[ 69.247292][ T5848] binderfs_fill_super+0x944/0xd90
[ 69.247313][ T5848] ? __pfx_binderfs_fill_super+0x10/0x10
[ 69.247340][ T5848] ? shrinker_register+0x160/0x230
[ 69.247360][ T5848] ? sget_fc+0x909/0x9c0
[ 69.247379][ T5848] ? __pfx_set_anon_super_fc+0x10/0x10
[ 69.247397][ T5848] ? __pfx_binderfs_fill_super+0x10/0x10
[ 69.247416][ T5848] get_tree_nodev+0xb7/0x140
[ 69.247435][ T5848] vfs_get_tree+0x90/0x2b0
[ 69.247455][ T5848] do_new_mount+0x2be/0xb40
[ 69.247471][ T5848] ? __pfx_do_new_mount+0x10/0x10
[ 69.247489][ T5848] __se_sys_mount+0x2d6/0x3c0
[ 69.247504][ T5848] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 69.247534][ T5848] ? __pfx___se_sys_mount+0x10/0x10
[ 69.247549][ T5848] ? do_syscall_64+0x100/0x230
[ 69.247567][ T5848] ? __x64_sys_mount+0x20/0xc0
[ 69.247581][ T5848] do_syscall_64+0xf3/0x230
[ 69.247596][ T5848] ? clear_bhb_loop+0x35/0x90
[ 69.247619][ T5848] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.247643][ T5848] RIP: 0033:0x7fcf561874ca
[ 69.247661][ T5848] 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
[ 69.247673][ T5848] RSP: 002b:00007fcf5649ff68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 69.247692][ T5848] RAX: ffffffffffffffda RBX: 00007fcf56201e6b RCX: 00007fcf561874ca
[ 69.247703][ T5848] RDX: 00007fcf5620ebc7 RSI: 00007fcf56201e6b RDI: 00007fcf5620ebc7
[ 69.247714][ T5848] RBP: 00007fcf56202063 R08: 0000000000000000 R09: 0000000000000100
[ 69.247724][ T5848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcf561e41c8
[ 69.247734][ T5848] R13: 00007fcf561e41a8 R14: 0000000000000009 R15: 0000000000000000
[ 69.247749][ T5848]
[ 69.247755][ T5848]
[ 69.248057][ T5848] Allocated by task 5842:
[ 69.248075][ T5848] kasan_save_track+0x3f/0x80
[ 69.248105][ T5848] __kasan_kmalloc+0x98/0xb0
[ 69.248132][ T5848] __kmalloc_cache_noprof+0x243/0x390
[ 69.248157][ T5848] binderfs_binder_device_create+0x16c/0x9c0
[ 69.248186][ T5848] binderfs_fill_super+0x944/0xd90
[ 69.248213][ T5848] get_tree_nodev+0xb7/0x140
[ 69.248239][ T5848] vfs_get_tree+0x90/0x2b0
[ 69.248265][ T5848] do_new_mount+0x2be/0xb40
[ 69.248287][ T5848] __se_sys_mount+0x2d6/0x3c0
[ 69.248308][ T5848] do_syscall_64+0xf3/0x230
[ 69.248332][ T5848] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.248358][ T5848]
[ 69.248371][ T5848] Freed by task 5842:
[ 69.248387][ T5848] kasan_save_track+0x3f/0x80
[ 69.248413][ T5848] kasan_save_free_info+0x40/0x50
[ 69.248438][ T5848] __kasan_slab_free+0x59/0x70
[ 69.248465][ T5848] kfree+0x196/0x430
[ 69.248486][ T5848] evict+0x4e8/0x9a0
[ 69.248538][ T5848] __dentry_kill+0x20d/0x630
[ 69.248562][ T5848] shrink_kill+0xa9/0x2c0
[ 69.248584][ T5848] shrink_dentry_list+0x2c0/0x5b0
[ 69.248607][ T5848] shrink_dcache_parent+0xcb/0x3b0
[ 69.248631][ T5848] do_one_tree+0x23/0xe0
[ 69.248655][ T5848] shrink_dcache_for_umount+0xb4/0x180
[ 69.248679][ T5848] generic_shutdown_super+0x6a/0x2d0
[ 69.248704][ T5848] kill_litter_super+0x76/0xb0
[ 69.248729][ T5848] binderfs_kill_super+0x44/0x90
[ 69.248756][ T5848] deactivate_locked_super+0xc4/0x130
[ 69.248784][ T5848] cleanup_mnt+0x41f/0x4b0
[ 69.248808][ T5848] task_work_run+0x24f/0x310
[ 69.248838][ T5848] do_exit+0xa2a/0x28e0
[ 69.248865][ T5848] do_group_exit+0x207/0x2c0
[ 69.248890][ T5848] get_signal+0x16b2/0x1750
[ 69.248912][ T5848] arch_do_signal_or_restart+0x96/0x860
[ 69.248939][ T5848] syscall_exit_to_user_mode+0xce/0x340
[ 69.248962][ T5848] do_syscall_64+0x100/0x230
[ 69.248984][ T5848] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.249012][ T5848]
[ 69.249025][ T5848] The buggy address belongs to the object at ffff888028c89400
[ 69.249025][ T5848] which belongs to the cache kmalloc-512 of size 512
[ 69.249047][ T5848] The buggy address is located 8 bytes inside of
[ 69.249047][ T5848] freed 512-byte region [ffff888028c89400, ffff888028c89600)
[ 69.249072][ T5848]
[ 69.249084][ T5848] The buggy address belongs to the physical page:
[ 69.249101][ T5848] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x28c88
[ 69.249138][ T5848] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 69.249160][ T5848] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[ 69.249187][ T5848] page_type: f5(slab)
[ 69.249211][ T5848] raw: 00fff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
[ 69.249232][ T5848] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 69.249255][ T5848] head: 00fff00000000040 ffff88801ac41c80 dead000000000100 dead000000000122
[ 69.249276][ T5848] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 69.249297][ T5848] head: 00fff00000000002 ffffea0000a32201 ffffffffffffffff 0000000000000000
[ 69.249318][ T5848] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 69.249335][ T5848] page dumped because: kasan: bad access detected
[ 69.249356][ T5848] page_owner tracks the page as allocated
[ 69.249371][ T5848] 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 8763242135, free_ts 0
[ 69.249405][ T5848] post_alloc_hook+0x1f4/0x240
[ 69.249433][ T5848] get_page_from_freelist+0x365c/0x37a0
[ 69.249461][ T5848] __alloc_frozen_pages_noprof+0x292/0x710
[ 69.249488][ T5848] alloc_pages_mpol+0x311/0x660
[ 69.249522][ T5848] allocate_slab+0x8f/0x3a0
[ 69.249548][ T5848] ___slab_alloc+0xc27/0x14a0
[ 69.249572][ T5848] __slab_alloc+0x58/0xa0
[ 69.249596][ T5848] __kmalloc_cache_noprof+0x27b/0x390
[ 69.249619][ T5848] device_add+0xc1/0xbf0
[ 69.249644][ T5848] usb_set_configuration+0x1976/0x1fb0
[ 69.249669][ T5848] usb_generic_driver_probe+0x88/0x140
[ 69.249698][ T5848] usb_probe_device+0x1b8/0x380
[ 69.249721][ T5848] really_probe+0x2b9/0xad0
[ 69.249747][ T5848] __driver_probe_device+0x1a2/0x390
[ 69.249772][ T5848] driver_probe_device+0x50/0x430
[ 69.249797][ T5848] __device_attach_driver+0x2d6/0x530
[ 69.249823][ T5848] page_owner free stack trace missing
[ 69.249838][ T5848]
[ 69.249851][ T5848] Memory state around the buggy address:
[ 69.249868][ T5848] ffff888028c89300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.249887][ T5848] ffff888028c89380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 69.249906][ T5848] >ffff888028c89400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.249922][ T5848] ^
[ 69.249939][ T5848] ffff888028c89480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.249957][ T5848] ffff888028c89500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.249974][ T5848] ==================================================================
[ 69.250878][ T5848] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 70.039745][ T5848] CPU: 1 UID: 0 PID: 5848 Comm: syz-executor Not tainted 6.13.0-next-20250121-syzkaller-gf066b5a6c7a0-dirty #0
[ 70.051540][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 70.061588][ T5848] Call Trace:
[ 70.064863][ T5848]
[ 70.067892][ T5848] dump_stack_lvl+0x241/0x360
[ 70.072830][ T5848] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.078025][ T5848] ? __pfx__printk+0x10/0x10
[ 70.082609][ T5848] ? preempt_schedule+0xe1/0xf0
[ 70.087471][ T5848] ? vscnprintf+0x5d/0x90
[ 70.091801][ T5848] panic+0x349/0x880
[ 70.095810][ T5848] ? check_panic_on_warn+0x21/0xb0
[ 70.100927][ T5848] ? __pfx_panic+0x10/0x10
[ 70.105341][ T5848] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 70.111326][ T5848] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 70.117824][ T5848] ? print_report+0x502/0x550
[ 70.122509][ T5848] check_panic_on_warn+0x86/0xb0
[ 70.127444][ T5848] ? binder_add_device+0x5f/0xa0
[ 70.132379][ T5848] end_report+0x77/0x160
[ 70.136617][ T5848] kasan_report+0x154/0x180
[ 70.141115][ T5848] ? binder_add_device+0x5f/0xa0
[ 70.146060][ T5848] binder_add_device+0x5f/0xa0
[ 70.150820][ T5848] binderfs_binder_device_create+0x7bf/0x9c0
[ 70.156884][ T5848] binderfs_fill_super+0x944/0xd90
[ 70.161989][ T5848] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.167645][ T5848] ? shrinker_register+0x160/0x230
[ 70.172751][ T5848] ? sget_fc+0x909/0x9c0
[ 70.176987][ T5848] ? __pfx_set_anon_super_fc+0x10/0x10
[ 70.182439][ T5848] ? __pfx_binderfs_fill_super+0x10/0x10
[ 70.188067][ T5848] get_tree_nodev+0xb7/0x140
[ 70.192655][ T5848] vfs_get_tree+0x90/0x2b0
[ 70.197156][ T5848] do_new_mount+0x2be/0xb40
[ 70.201687][ T5848] ? __pfx_do_new_mount+0x10/0x10
[ 70.206718][ T5848] __se_sys_mount+0x2d6/0x3c0
[ 70.211405][ T5848] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 70.217387][ T5848] ? __pfx___se_sys_mount+0x10/0x10
[ 70.222596][ T5848] ? do_syscall_64+0x100/0x230
[ 70.227352][ T5848] ? __x64_sys_mount+0x20/0xc0
[ 70.232194][ T5848] do_syscall_64+0xf3/0x230
[ 70.236704][ T5848] ? clear_bhb_loop+0x35/0x90
[ 70.241383][ T5848] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.247273][ T5848] RIP: 0033:0x7fcf561874ca
[ 70.251688][ T5848] 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
[ 70.271366][ T5848] RSP: 002b:00007fcf5649ff68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 70.279776][ T5848] RAX: ffffffffffffffda RBX: 00007fcf56201e6b RCX: 00007fcf561874ca
[ 70.287738][ T5848] RDX: 00007fcf5620ebc7 RSI: 00007fcf56201e6b RDI: 00007fcf5620ebc7
[ 70.295707][ T5848] RBP: 00007fcf56202063 R08: 0000000000000000 R09: 0000000000000100
[ 70.303670][ T5848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcf561e41c8
[ 70.311631][ T5848] R13: 00007fcf561e41a8 R14: 0000000000000009 R15: 0000000000000000
[ 70.319604][ T5848]
[ 71.453714][ T5848] Shutting down cpus with NMI
[ 71.458952][ T5848] Kernel Offset: disabled
[ 71.463291][ T5848] 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-build822707733=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at 1d58202cd9
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=1d58202cd938cd702f9fddff39f2be5d9490988c -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241219-091341'" "-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=\"1d58202cd938cd702f9fddff39f2be5d9490988c\"
/usr/bin/ld: /tmp/ccgjMELn.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