KASAN: slab-use-after-free Read in hci_cmd_work
Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
==================================================================
BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d0/0x7b0 net/bluetooth/hci_core.c:4174
Read of size 2 at addr ffff888026cc2038 by task kworker/u9:0/52
CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: hci0 hci_cmd_work
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xca/0x240 mm/kasan/report.c:482
kasan_report+0x118/0x150 mm/kasan/report.c:595
hci_cmd_work+0x5d0/0x7b0 net/bluetooth/hci_core.c:4174
process_one_work+0x93a/0x15e0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Allocated by task 5153:
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
unpoison_slab_object mm/kasan/common.c:339 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:365
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4948 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
kmem_cache_alloc_node_noprof+0x43c/0x710 mm/slub.c:5310
__alloc_skb+0x112/0x2d0 net/core/skbuff.c:664
alloc_skb include/linux/skbuff.h:1383 [inline]
bt_skb_alloc include/net/bluetooth/bluetooth.h:510 [inline]
hci_cmd_sync_alloc+0x3d/0x3b0 net/bluetooth/hci_sync.c:58
hci_cmd_sync_add net/bluetooth/hci_sync.c:99 [inline]
__hci_cmd_sync_sk+0x1a7/0xc70 net/bluetooth/hci_sync.c:168
__hci_cmd_sync_status_sk net/bluetooth/hci_sync.c:263 [inline]
__hci_cmd_sync_status net/bluetooth/hci_sync.c:287 [inline]
hci_read_local_features_sync net/bluetooth/hci_sync.c:3708 [inline]
hci_init_stage_sync net/bluetooth/hci_sync.c:3623 [inline]
hci_init1_sync net/bluetooth/hci_sync.c:3755 [inline]
hci_init_sync net/bluetooth/hci_sync.c:4874 [inline]
hci_dev_init_sync net/bluetooth/hci_sync.c:5066 [inline]
hci_dev_open_sync+0x14b2/0x2dc0 net/bluetooth/hci_sync.c:5144
hci_dev_do_open net/bluetooth/hci_core.c:430 [inline]
hci_power_on+0x1b4/0x720 net/bluetooth/hci_core.c:959
process_one_work+0x93a/0x15e0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Freed by task 5872:
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:252 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2540 [inline]
slab_free mm/slub.c:6663 [inline]
kmem_cache_free+0x197/0x640 mm/slub.c:6774
kfree_skb_reason include/linux/skbuff.h:1322 [inline]
kfree_skb include/linux/skbuff.h:1331 [inline]
vhci_read+0x49a/0x5b0 drivers/bluetooth/hci_vhci.c:593
vfs_read+0x200/0xa30 fs/read_write.c:570
ksys_read+0x145/0x250 fs/read_write.c:715
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff888026cc2000
which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 56 bytes inside of
freed 240-byte region [ffff888026cc2000, ffff888026cc20f0)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26cc2
anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801eaa0000 ffffea0000c96dc0 dead000000000005
raw: 0000000000000000 00000000000c000c 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5214, tgid 5214 (udevd), ts 26976681464, free_ts 26965856314
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3920
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5215
alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486
alloc_slab_page mm/slub.c:3075 [inline]
allocate_slab+0x86/0x3b0 mm/slub.c:3248
new_slab mm/slub.c:3302 [inline]
___slab_alloc+0xf56/0x1990 mm/slub.c:4651
__slab_alloc+0x65/0x100 mm/slub.c:4774
__slab_alloc_node mm/slub.c:4850 [inline]
slab_alloc_node mm/slub.c:5246 [inline]
kmem_cache_alloc_node_noprof+0x4ce/0x710 mm/slub.c:5310
__alloc_skb+0x112/0x2d0 net/core/skbuff.c:664
alloc_skb include/linux/skbuff.h:1383 [inline]
alloc_skb_with_frags+0xca/0x890 net/core/skbuff.c:6694
sock_alloc_send_pskb+0x84d/0x980 net/core/sock.c:2995
unix_dgram_sendmsg+0x461/0x1850 net/unix/af_unix.c:2133
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg+0x21c/0x270 net/socket.c:746
sock_write_iter+0x279/0x360 net/socket.c:1199
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
page last free pid 5214 tgid 5214 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2948
discard_slab mm/slub.c:3346 [inline]
__put_partials+0x146/0x170 mm/slub.c:3886
put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3961
__slab_free+0x288/0x2a0 mm/slub.c:5947
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:349
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4948 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
kmem_cache_alloc_noprof+0x37d/0x700 mm/slub.c:5265
getname_flags+0xb8/0x540 fs/namei.c:146
getname include/linux/fs.h:2499 [inline]
__do_sys_unlink fs/namei.c:5443 [inline]
__se_sys_unlink fs/namei.c:5441 [inline]
__x64_sys_unlink+0x3a/0x50 fs/namei.c:5441
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff888026cc1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888026cc1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888026cc2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888026cc2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
ffff888026cc2100: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
==================================================================
Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts.
2025/11/18 16:42:46 parsed 1 programs
[ 77.911157][ T5835] cgroup: Unknown subsys name 'net'
[ 78.100415][ T5835] cgroup: Unknown subsys name 'cpuset'
[ 78.109439][ T5835] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 79.572711][ T5835] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 82.581196][ T5849] 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.
[ 83.370499][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 83.379285][ T52] ==================================================================
[ 83.387460][ T52] BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d0/0x7b0
[ 83.395076][ T52] Read of size 2 at addr ffff888026cc2038 by task kworker/u9:0/52
[ 83.402866][ T52]
[ 83.405398][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full)
[ 83.405421][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 83.405433][ T52] Workqueue: hci0 hci_cmd_work
[ 83.405462][ T52] Call Trace:
[ 83.405472][ T52]
[ 83.405480][ T52] dump_stack_lvl+0x189/0x250
[ 83.405503][ T52] ? __virt_addr_valid+0x1c8/0x5c0
[ 83.405525][ T52] ? rcu_is_watching+0x15/0xb0
[ 83.405546][ T52] ? __pfx_dump_stack_lvl+0x10/0x10
[ 83.405565][ T52] ? rcu_is_watching+0x15/0xb0
[ 83.405589][ T52] ? lock_release+0x4b/0x3d0
[ 83.405606][ T52] ? _raw_spin_lock_irqsave+0xb3/0xf0
[ 83.405628][ T52] ? __virt_addr_valid+0x1c8/0x5c0
[ 83.405650][ T52] ? __virt_addr_valid+0x4a5/0x5c0
[ 83.405672][ T52] print_report+0xca/0x240
[ 83.405693][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 83.405708][ T52] kasan_report+0x118/0x150
[ 83.405727][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 83.405746][ T52] hci_cmd_work+0x5d0/0x7b0
[ 83.405763][ T52] ? process_one_work+0x868/0x15e0
[ 83.405780][ T52] process_one_work+0x93a/0x15e0
[ 83.405796][ T52] ? __lock_acquire+0xab9/0xd20
[ 83.405821][ T52] ? __pfx_process_one_work+0x10/0x10
[ 83.405847][ T52] ? assign_work+0x3a1/0x410
[ 83.405866][ T52] worker_thread+0x9b0/0xee0
[ 83.405894][ T52] kthread+0x711/0x8a0
[ 83.405916][ T52] ? __pfx_worker_thread+0x10/0x10
[ 83.405933][ T52] ? __pfx_kthread+0x10/0x10
[ 83.405954][ T52] ? _raw_spin_unlock_irq+0x23/0x50
[ 83.405974][ T52] ? lockdep_hardirqs_on+0x9c/0x150
[ 83.405994][ T52] ? __pfx_kthread+0x10/0x10
[ 83.406014][ T52] ret_from_fork+0x599/0xb30
[ 83.406031][ T52] ? __pfx_ret_from_fork+0x10/0x10
[ 83.406052][ T52] ? __switch_to_asm+0x39/0x70
[ 83.406071][ T52] ? __switch_to_asm+0x33/0x70
[ 83.406089][ T52] ? __pfx_kthread+0x10/0x10
[ 83.406108][ T52] ret_from_fork_asm+0x1a/0x30
[ 83.406134][ T52]
[ 83.406140][ T52]
[ 83.596214][ T52] Allocated by task 5153:
[ 83.600520][ T52] kasan_save_track+0x3e/0x80
[ 83.605447][ T52] __kasan_slab_alloc+0x6c/0x80
[ 83.610281][ T52] kmem_cache_alloc_node_noprof+0x43c/0x710
[ 83.616165][ T52] __alloc_skb+0x112/0x2d0
[ 83.620656][ T52] hci_cmd_sync_alloc+0x3d/0x3b0
[ 83.625587][ T52] __hci_cmd_sync_sk+0x1a7/0xc70
[ 83.630510][ T52] hci_dev_open_sync+0x14b2/0x2dc0
[ 83.635611][ T52] hci_power_on+0x1b4/0x720
[ 83.640096][ T52] process_one_work+0x93a/0x15e0
[ 83.645018][ T52] worker_thread+0x9b0/0xee0
[ 83.649608][ T52] kthread+0x711/0x8a0
[ 83.653664][ T52] ret_from_fork+0x599/0xb30
[ 83.658235][ T52] ret_from_fork_asm+0x1a/0x30
[ 83.662995][ T52]
[ 83.665303][ T52] Freed by task 5872:
[ 83.669262][ T52] kasan_save_track+0x3e/0x80
[ 83.673926][ T52] kasan_save_free_info+0x46/0x50
[ 83.678939][ T52] __kasan_slab_free+0x5c/0x80
[ 83.683696][ T52] kmem_cache_free+0x197/0x640
[ 83.688457][ T52] vhci_read+0x49a/0x5b0
[ 83.692698][ T52] vfs_read+0x200/0xa30
[ 83.696838][ T52] ksys_read+0x145/0x250
[ 83.701073][ T52] do_syscall_64+0xfa/0xfa0
[ 83.705583][ T52] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.711460][ T52]
[ 83.713772][ T52] The buggy address belongs to the object at ffff888026cc2000
[ 83.713772][ T52] which belongs to the cache skbuff_head_cache of size 240
[ 83.728331][ T52] The buggy address is located 56 bytes inside of
[ 83.728331][ T52] freed 240-byte region [ffff888026cc2000, ffff888026cc20f0)
[ 83.742126][ T52]
[ 83.744521][ T52] The buggy address belongs to the physical page:
[ 83.750927][ T52] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26cc2
[ 83.759756][ T52] anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[ 83.767296][ T52] page_type: f5(slab)
[ 83.771275][ T52] raw: 00fff00000000000 ffff88801eaa0000 ffffea0000c96dc0 dead000000000005
[ 83.779887][ T52] raw: 0000000000000000 00000000000c000c 00000000f5000000 0000000000000000
[ 83.788446][ T52] page dumped because: kasan: bad access detected
[ 83.794846][ T52] page_owner tracks the page as allocated
[ 83.800544][ T52] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5214, tgid 5214 (udevd), ts 26976681464, free_ts 26965856314
[ 83.819365][ T52] post_alloc_hook+0x240/0x2a0
[ 83.824127][ T52] get_page_from_freelist+0x2365/0x2440
[ 83.829660][ T52] __alloc_frozen_pages_noprof+0x181/0x370
[ 83.835551][ T52] alloc_pages_mpol+0x232/0x4a0
[ 83.840387][ T52] allocate_slab+0x86/0x3b0
[ 83.845242][ T52] ___slab_alloc+0xf56/0x1990
[ 83.850075][ T52] __slab_alloc+0x65/0x100
[ 83.854564][ T52] kmem_cache_alloc_node_noprof+0x4ce/0x710
[ 83.860637][ T52] __alloc_skb+0x112/0x2d0
[ 83.865136][ T52] alloc_skb_with_frags+0xca/0x890
[ 83.870326][ T52] sock_alloc_send_pskb+0x84d/0x980
[ 83.875506][ T52] unix_dgram_sendmsg+0x461/0x1850
[ 83.880599][ T52] __sock_sendmsg+0x21c/0x270
[ 83.885356][ T52] sock_write_iter+0x279/0x360
[ 83.890116][ T52] vfs_write+0x5c9/0xb30
[ 83.894341][ T52] ksys_write+0x145/0x250
[ 83.898656][ T52] page last free pid 5214 tgid 5214 stack trace:
[ 83.904967][ T52] __free_frozen_pages+0xbc8/0xd30
[ 83.910059][ T52] __put_partials+0x146/0x170
[ 83.914719][ T52] put_cpu_partial+0x1f2/0x2e0
[ 83.919482][ T52] __slab_free+0x288/0x2a0
[ 83.923881][ T52] qlist_free_all+0x97/0x100
[ 83.928451][ T52] kasan_quarantine_reduce+0x148/0x160
[ 83.933889][ T52] __kasan_slab_alloc+0x22/0x80
[ 83.938724][ T52] kmem_cache_alloc_noprof+0x37d/0x700
[ 83.944169][ T52] getname_flags+0xb8/0x540
[ 83.949091][ T52] __x64_sys_unlink+0x3a/0x50
[ 83.953753][ T52] do_syscall_64+0xfa/0xfa0
[ 83.958248][ T52] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 83.964121][ T52]
[ 83.966513][ T52] Memory state around the buggy address:
[ 83.972122][ T52] ffff888026cc1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 83.980166][ T52] ffff888026cc1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 83.988209][ T52] >ffff888026cc2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 83.996247][ T52] ^
[ 84.002117][ T52] ffff888026cc2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[ 84.010260][ T52] ffff888026cc2100: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
[ 84.018310][ T52] ==================================================================
[ 84.028479][ T52] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 84.035707][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full)
[ 84.045006][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 84.055073][ T52] Workqueue: hci0 hci_cmd_work
[ 84.059922][ T52] Call Trace:
[ 84.063190][ T52]
[ 84.066239][ T52] dump_stack_lvl+0x99/0x250
[ 84.070829][ T52] ? __asan_memcpy+0x40/0x70
[ 84.075506][ T52] ? __pfx_dump_stack_lvl+0x10/0x10
[ 84.080870][ T52] ? __pfx__printk+0x10/0x10
[ 84.085484][ T52] vpanic+0x237/0x6d0
[ 84.089714][ T52] ? __pfx_vpanic+0x10/0x10
[ 84.094201][ T52] ? preempt_schedule+0xae/0xc0
[ 84.099051][ T52] ? __pfx_preempt_schedule+0x10/0x10
[ 84.104414][ T52] panic+0xb9/0xc0
[ 84.108124][ T52] ? __pfx_panic+0x10/0x10
[ 84.112524][ T52] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 84.118490][ T52] ? is_module_address+0x17/0xf0
[ 84.123408][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 84.128066][ T52] check_panic_on_warn+0x89/0xb0
[ 84.132990][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 84.137758][ T52] end_report+0x6f/0x160
[ 84.142068][ T52] kasan_report+0x129/0x150
[ 84.146646][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 84.151307][ T52] hci_cmd_work+0x5d0/0x7b0
[ 84.155922][ T52] ? process_one_work+0x868/0x15e0
[ 84.161061][ T52] process_one_work+0x93a/0x15e0
[ 84.165992][ T52] ? __lock_acquire+0xab9/0xd20
[ 84.170840][ T52] ? __pfx_process_one_work+0x10/0x10
[ 84.176283][ T52] ? assign_work+0x3a1/0x410
[ 84.180884][ T52] worker_thread+0x9b0/0xee0
[ 84.185468][ T52] kthread+0x711/0x8a0
[ 84.189525][ T52] ? __pfx_worker_thread+0x10/0x10
[ 84.194622][ T52] ? __pfx_kthread+0x10/0x10
[ 84.199211][ T52] ? _raw_spin_unlock_irq+0x23/0x50
[ 84.204412][ T52] ? lockdep_hardirqs_on+0x9c/0x150
[ 84.209605][ T52] ? __pfx_kthread+0x10/0x10
[ 84.214279][ T52] ret_from_fork+0x599/0xb30
[ 84.218867][ T52] ? __pfx_ret_from_fork+0x10/0x10
[ 84.223975][ T52] ? __switch_to_asm+0x39/0x70
[ 84.228816][ T52] ? __switch_to_asm+0x33/0x70
[ 84.233568][ T52] ? __pfx_kthread+0x10/0x10
[ 84.238153][ T52] ret_from_fork_asm+0x1a/0x30
[ 84.242913][ T52]
[ 84.246435][ T52] Kernel Offset: disabled
[ 84.250827][ T52] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build3917061150=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
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'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=)
HEAD detached at 07e030dea
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}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" ./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
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/google/syzkaller/prog.gitRevisionDate=20251112-115923" -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 -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"07e030dea6e6d9ca88b75bb3be2810f47083b328\"
/usr/bin/ld: /tmp/ccEzlJr7.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
./tools/check-syzos.sh 2>/dev/null