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 ffff888144fb7008 by task syz-executor/5847
CPU: 1 UID: 0 PID: 5847 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #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: 0033:0x7ff008d874ca
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:00007ffe23a9d058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff008e01de3 RCX: 00007ff008d874ca
RDX: 00007ff008e0eb3f RSI: 00007ff008e01de3 RDI: 00007ff008e0eb3f
RBP: 00007ff008e01fdb R08: 0000000000000000 R09: 00000000000001ff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff008de41c8
R13: 00007ff008de41a8 R14: 0000000000000009 R15: 0000000000000000
Allocated by task 5840:
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 5840:
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
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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
The buggy address belongs to the object at ffff888144fb7000
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff888144fb7000, ffff888144fb7200)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x144fb4
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 ffffea000536f500 dead000000000002
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000040 ffff88801ac41c80 ffffea000536f500 dead000000000002
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000002 ffffea000513ed01 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 0xd2000(__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 9000644057, 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]
usb_cache_string+0x63/0x100 drivers/usb/core/message.c:1028
usb_enumerate_device drivers/usb/core/hub.c:2495 [inline]
usb_new_device+0x313/0x19a0 drivers/usb/core/hub.c:2622
register_root_hub+0x25c/0x550 drivers/usb/core/hcd.c:994
usb_add_hcd+0xb49/0x1110 drivers/usb/core/hcd.c:2976
dummy_hcd_probe+0x158/0x2b0 drivers/usb/gadget/udc/dummy_hcd.c:2695
platform_probe+0x13a/0x1c0 drivers/base/platform.c:1404
really_probe+0x2b9/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
page_owner free stack trace missing
Memory state around the buggy address:
ffff888144fb6f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888144fb6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888144fb7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888144fb7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888144fb7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.0.37' (ED25519) to the list of known hosts.
2025/01/26 20:15:15 ignoring optional flag "sandboxArg"="0"
2025/01/26 20:15:15 parsed 1 programs
[ 67.807398][ T5833] cgroup: Unknown subsys name 'net'
[ 67.948659][ T5833] cgroup: Unknown subsys name 'cpuset'
[ 67.956501][ T5833] cgroup: Unknown subsys name 'rlimit'
[ 69.299198][ T5833] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 71.676979][ T5851] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 71.685936][ T5851] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 71.695139][ T5851] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 71.705527][ T5851] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 71.715749][ T5851] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 71.723903][ T5851] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 71.859535][ T2951] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 71.889027][ T2951] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 71.900692][ T1297] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.911189][ T1297] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.929133][ T5847] ==================================================================
[ 71.937257][ T5847] BUG: KASAN: slab-use-after-free in binder_add_device+0x5f/0xa0
[ 71.945059][ T5847] Write of size 8 at addr ffff888144fb7008 by task syz-executor/5847
[ 71.953140][ T5847]
[ 71.955517][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #0
[ 71.955540][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 71.955558][ T5847] Call Trace:
[ 71.955563][ T5847]
[ 71.955569][ T5847] dump_stack_lvl+0x241/0x360
[ 71.955592][ T5847] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.955607][ T5847] ? __pfx__printk+0x10/0x10
[ 71.955621][ T5847] ? _printk+0xd5/0x120
[ 71.955635][ T5847] ? __virt_addr_valid+0x183/0x530
[ 71.955657][ T5847] ? __virt_addr_valid+0x183/0x530
[ 71.955679][ T5847] print_report+0x169/0x550
[ 71.955702][ T5847] ? __virt_addr_valid+0x183/0x530
[ 71.955722][ T5847] ? __virt_addr_valid+0x183/0x530
[ 71.955742][ T5847] ? __virt_addr_valid+0x45f/0x530
[ 71.955762][ T5847] ? __phys_addr+0xba/0x170
[ 71.955783][ T5847] ? binder_add_device+0x5f/0xa0
[ 71.955804][ T5847] kasan_report+0x143/0x180
[ 71.955824][ T5847] ? binder_add_device+0x5f/0xa0
[ 71.955844][ T5847] binder_add_device+0x5f/0xa0
[ 71.955864][ T5847] binderfs_binder_device_create+0x7bf/0x9c0
[ 71.955885][ T5847] binderfs_fill_super+0x944/0xd90
[ 71.955906][ T5847] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.955932][ T5847] ? shrinker_register+0x160/0x230
[ 71.955951][ T5847] ? sget_fc+0x909/0x9c0
[ 71.955968][ T5847] ? __pfx_set_anon_super_fc+0x10/0x10
[ 71.955985][ T5847] ? __pfx_binderfs_fill_super+0x10/0x10
[ 71.956003][ T5847] get_tree_nodev+0xb7/0x140
[ 71.956021][ T5847] vfs_get_tree+0x90/0x2b0
[ 71.956041][ T5847] do_new_mount+0x2be/0xb40
[ 71.956056][ T5847] ? __pfx_do_new_mount+0x10/0x10
[ 71.956073][ T5847] __se_sys_mount+0x2d6/0x3c0
[ 71.956088][ T5847] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 71.956108][ T5847] ? __pfx___se_sys_mount+0x10/0x10
[ 71.956123][ T5847] ? do_syscall_64+0x100/0x230
[ 71.956141][ T5847] ? __x64_sys_mount+0x20/0xc0
[ 71.956155][ T5847] do_syscall_64+0xf3/0x230
[ 71.956170][ T5847] ? clear_bhb_loop+0x35/0x90
[ 71.956190][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.956215][ T5847] RIP: 0033:0x7ff008d874ca
[ 71.956236][ T5847] 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
[ 71.956248][ T5847] RSP: 002b:00007ffe23a9d058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 71.956264][ T5847] RAX: ffffffffffffffda RBX: 00007ff008e01de3 RCX: 00007ff008d874ca
[ 71.956276][ T5847] RDX: 00007ff008e0eb3f RSI: 00007ff008e01de3 RDI: 00007ff008e0eb3f
[ 71.956286][ T5847] RBP: 00007ff008e01fdb R08: 0000000000000000 R09: 00000000000001ff
[ 71.956296][ T5847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff008de41c8
[ 71.956305][ T5847] R13: 00007ff008de41a8 R14: 0000000000000009 R15: 0000000000000000
[ 71.956320][ T5847]
[ 71.956325][ T5847]
[ 72.230131][ T5847] Allocated by task 5840:
[ 72.234480][ T5847] kasan_save_track+0x3f/0x80
[ 72.239158][ T5847] __kasan_kmalloc+0x98/0xb0
[ 72.243826][ T5847] __kmalloc_cache_noprof+0x243/0x390
[ 72.249185][ T5847] binderfs_binder_device_create+0x16c/0x9c0
[ 72.255159][ T5847] binderfs_fill_super+0x944/0xd90
[ 72.260264][ T5847] get_tree_nodev+0xb7/0x140
[ 72.264848][ T5847] vfs_get_tree+0x90/0x2b0
[ 72.269282][ T5847] do_new_mount+0x2be/0xb40
[ 72.273806][ T5847] __se_sys_mount+0x2d6/0x3c0
[ 72.278494][ T5847] do_syscall_64+0xf3/0x230
[ 72.283007][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.288925][ T5847]
[ 72.291270][ T5847] Freed by task 5840:
[ 72.295238][ T5847] kasan_save_track+0x3f/0x80
[ 72.299913][ T5847] kasan_save_free_info+0x40/0x50
[ 72.304953][ T5847] __kasan_slab_free+0x59/0x70
[ 72.309725][ T5847] kfree+0x196/0x430
[ 72.313616][ T5847] evict+0x4e8/0x9a0
[ 72.317590][ T5847] __dentry_kill+0x20d/0x630
[ 72.322194][ T5847] shrink_kill+0xa9/0x2c0
[ 72.326893][ T5847] shrink_dentry_list+0x2c0/0x5b0
[ 72.331928][ T5847] shrink_dcache_parent+0xcb/0x3b0
[ 72.337059][ T5847] do_one_tree+0x23/0xe0
[ 72.341368][ T5847] shrink_dcache_for_umount+0xb4/0x180
[ 72.346860][ T5847] generic_shutdown_super+0x6a/0x2d0
[ 72.352152][ T5847] kill_litter_super+0x76/0xb0
[ 72.356912][ T5847] binderfs_kill_super+0x44/0x90
[ 72.361846][ T5847] deactivate_locked_super+0xc4/0x130
[ 72.367302][ T5847] cleanup_mnt+0x41f/0x4b0
[ 72.371711][ T5847] task_work_run+0x24f/0x310
[ 72.376319][ T5847] do_exit+0xa2a/0x28e0
[ 72.380486][ T5847] do_group_exit+0x207/0x2c0
[ 72.385063][ T5847] __x64_sys_exit_group+0x3f/0x40
[ 72.390098][ T5847] x64_sys_call+0x26a8/0x26b0
[ 72.394773][ T5847] do_syscall_64+0xf3/0x230
[ 72.399398][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.405301][ T5847]
[ 72.407629][ T5847] The buggy address belongs to the object at ffff888144fb7000
[ 72.407629][ T5847] which belongs to the cache kmalloc-512 of size 512
[ 72.421867][ T5847] The buggy address is located 8 bytes inside of
[ 72.421867][ T5847] freed 512-byte region [ffff888144fb7000, ffff888144fb7200)
[ 72.435674][ T5847]
[ 72.438165][ T5847] The buggy address belongs to the physical page:
[ 72.444571][ T5847] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x144fb4
[ 72.453594][ T5847] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 72.462085][ T5847] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
[ 72.469738][ T5847] page_type: f5(slab)
[ 72.473751][ T5847] raw: 057ff00000000040 ffff88801ac41c80 ffffea000536f500 dead000000000002
[ 72.482592][ T5847] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 72.491605][ T5847] head: 057ff00000000040 ffff88801ac41c80 ffffea000536f500 dead000000000002
[ 72.500263][ T5847] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
[ 72.509250][ T5847] head: 057ff00000000002 ffffea000513ed01 ffffffffffffffff 0000000000000000
[ 72.517926][ T5847] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
[ 72.526584][ T5847] page dumped because: kasan: bad access detected
[ 72.533061][ T5847] page_owner tracks the page as allocated
[ 72.538758][ T5847] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd2000(__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 9000644057, free_ts 0
[ 72.556978][ T5847] post_alloc_hook+0x1f4/0x240
[ 72.561750][ T5847] get_page_from_freelist+0x365c/0x37a0
[ 72.567393][ T5847] __alloc_frozen_pages_noprof+0x292/0x710
[ 72.573235][ T5847] alloc_pages_mpol+0x311/0x660
[ 72.578071][ T5847] allocate_slab+0x8f/0x3a0
[ 72.582564][ T5847] ___slab_alloc+0xc27/0x14a0
[ 72.587236][ T5847] __slab_alloc+0x58/0xa0
[ 72.591552][ T5847] __kmalloc_cache_noprof+0x27b/0x390
[ 72.596910][ T5847] usb_cache_string+0x63/0x100
[ 72.601688][ T5847] usb_new_device+0x313/0x19a0
[ 72.606460][ T5847] register_root_hub+0x25c/0x550
[ 72.611491][ T5847] usb_add_hcd+0xb49/0x1110
[ 72.616072][ T5847] dummy_hcd_probe+0x158/0x2b0
[ 72.620827][ T5847] platform_probe+0x13a/0x1c0
[ 72.625494][ T5847] really_probe+0x2b9/0xad0
[ 72.629988][ T5847] __driver_probe_device+0x1a2/0x390
[ 72.635264][ T5847] page_owner free stack trace missing
[ 72.640613][ T5847]
[ 72.642922][ T5847] Memory state around the buggy address:
[ 72.648556][ T5847] ffff888144fb6f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 72.656621][ T5847] ffff888144fb6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 72.664675][ T5847] >ffff888144fb7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 72.672724][ T5847] ^
[ 72.677037][ T5847] ffff888144fb7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 72.685085][ T5847] ffff888144fb7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 72.693223][ T5847] ==================================================================
[ 72.737551][ T5847] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 72.744800][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: syz-executor Not tainted 6.13.0-next-20250124-syzkaller-10205-g5ffa57f6eece #0
[ 72.756895][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 72.767139][ T5847] Call Trace:
[ 72.770518][ T5847]
[ 72.773612][ T5847] dump_stack_lvl+0x241/0x360
[ 72.778310][ T5847] ? __pfx_dump_stack_lvl+0x10/0x10
[ 72.783527][ T5847] ? __pfx__printk+0x10/0x10
[ 72.788113][ T5847] ? preempt_schedule+0xe1/0xf0
[ 72.792981][ T5847] ? vscnprintf+0x5d/0x90
[ 72.797301][ T5847] panic+0x349/0x880
[ 72.801186][ T5847] ? check_panic_on_warn+0x21/0xb0
[ 72.806376][ T5847] ? __pfx_panic+0x10/0x10
[ 72.810813][ T5847] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 72.816804][ T5847] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 72.823130][ T5847] ? print_report+0x502/0x550
[ 72.827803][ T5847] check_panic_on_warn+0x86/0xb0
[ 72.832732][ T5847] ? binder_add_device+0x5f/0xa0
[ 72.837674][ T5847] end_report+0x77/0x160
[ 72.841911][ T5847] kasan_report+0x154/0x180
[ 72.846497][ T5847] ? binder_add_device+0x5f/0xa0
[ 72.851441][ T5847] binder_add_device+0x5f/0xa0
[ 72.856197][ T5847] binderfs_binder_device_create+0x7bf/0x9c0
[ 72.862171][ T5847] binderfs_fill_super+0x944/0xd90
[ 72.867285][ T5847] ? __pfx_binderfs_fill_super+0x10/0x10
[ 72.873039][ T5847] ? shrinker_register+0x160/0x230
[ 72.878145][ T5847] ? sget_fc+0x909/0x9c0
[ 72.882391][ T5847] ? __pfx_set_anon_super_fc+0x10/0x10
[ 72.887845][ T5847] ? __pfx_binderfs_fill_super+0x10/0x10
[ 72.893530][ T5847] get_tree_nodev+0xb7/0x140
[ 72.898171][ T5847] vfs_get_tree+0x90/0x2b0
[ 72.902610][ T5847] do_new_mount+0x2be/0xb40
[ 72.907106][ T5847] ? __pfx_do_new_mount+0x10/0x10
[ 72.912121][ T5847] __se_sys_mount+0x2d6/0x3c0
[ 72.916785][ T5847] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 72.922756][ T5847] ? __pfx___se_sys_mount+0x10/0x10
[ 72.927940][ T5847] ? do_syscall_64+0x100/0x230
[ 72.932694][ T5847] ? __x64_sys_mount+0x20/0xc0
[ 72.937452][ T5847] do_syscall_64+0xf3/0x230
[ 72.941945][ T5847] ? clear_bhb_loop+0x35/0x90
[ 72.946618][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.952504][ T5847] RIP: 0033:0x7ff008d874ca
[ 72.956930][ T5847] 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
[ 72.976580][ T5847] RSP: 002b:00007ffe23a9d058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 72.985004][ T5847] RAX: ffffffffffffffda RBX: 00007ff008e01de3 RCX: 00007ff008d874ca
[ 72.992965][ T5847] RDX: 00007ff008e0eb3f RSI: 00007ff008e01de3 RDI: 00007ff008e0eb3f
[ 73.000925][ T5847] RBP: 00007ff008e01fdb R08: 0000000000000000 R09: 00000000000001ff
[ 73.009094][ T5847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff008de41c8
[ 73.017084][ T5847] R13: 00007ff008de41a8 R14: 0000000000000009 R15: 0000000000000000
[ 73.025072][ T5847]
[ 73.028591][ T5847] Kernel Offset: disabled
[ 73.033022][ T5847] 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-build961825574=/tmp/go-build -gno-record-gcc-switches'
git status (err=)
HEAD detached at 1432fc8453
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=1432fc84530255f6208c5719be796918244fa9d3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241218-130448'" "-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=\"1432fc84530255f6208c5719be796918244fa9d3\"
/usr/bin/ld: /tmp/cchaFi0m.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