KASAN: slab-use-after-free Read in hci_cmd_work
Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
==================================================================
BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d0/0x7b0 net/bluetooth/hci_core.c:4174
Read of size 2 at addr ffff8880314277b8 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 5151:
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_bd_addr_sync net/bluetooth/hci_sync.c:3641 [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+0x1756/0x2dc0 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 5895:
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 ffff888031427780
which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 56 bytes inside of
freed 240-byte region [ffff888031427780, ffff888031427870)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x31427
anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801d6f2a00 0000000000000000 dead000000000001
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 5210, tgid 5210 (udevd), ts 36263815116, free_ts 36256312047
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
netlink_sendmsg+0x5c6/0xb30 net/netlink/af_netlink.c:1869
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg+0x21c/0x270 net/socket.c:746
____sys_sendmsg+0x505/0x870 net/socket.c:2634
___sys_sendmsg+0x21f/0x2a0 net/socket.c:2688
__sys_sendmsg net/socket.c:2720 [inline]
__do_sys_sendmsg net/socket.c:2725 [inline]
__se_sys_sendmsg net/socket.c:2723 [inline]
__x64_sys_sendmsg+0x19b/0x260 net/socket.c:2723
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
page last free pid 23 tgid 23 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
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861
handle_softirqs+0x27d/0x880 kernel/softirq.c:626
run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1067
smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
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
Memory state around the buggy address:
ffff888031427680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888031427700: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
>ffff888031427780: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888031427800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
ffff888031427880: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.1.151' (ED25519) to the list of known hosts.
2025/11/17 11:39:14 parsed 1 programs
[ 90.262458][ T5834] cgroup: Unknown subsys name 'net'
[ 90.378778][ T5834] cgroup: Unknown subsys name 'cpuset'
[ 90.387700][ T5834] cgroup: Unknown subsys name 'rlimit'
[ 92.096705][ T912] cfg80211: failed to load regulatory.db
[ 92.140771][ T5834] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 95.298908][ T5846] 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.
[ 96.580375][ T151] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 96.589064][ T151] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 96.649797][ T151] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 96.661690][ T151] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 97.650813][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 97.659367][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 97.668037][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 97.676225][ T52] ==================================================================
[ 97.684312][ T52] BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d0/0x7b0
[ 97.691792][ T52] Read of size 2 at addr ffff8880314277b8 by task kworker/u9:0/52
[ 97.699858][ T52]
[ 97.702214][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full)
[ 97.702232][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 97.702242][ T52] Workqueue: hci0 hci_cmd_work
[ 97.702267][ T52] Call Trace:
[ 97.702274][ T52]
[ 97.702281][ T52] dump_stack_lvl+0x189/0x250
[ 97.702304][ T52] ? __virt_addr_valid+0x1c8/0x5c0
[ 97.702318][ T52] ? rcu_is_watching+0x15/0xb0
[ 97.702332][ T52] ? __pfx_dump_stack_lvl+0x10/0x10
[ 97.702352][ T52] ? rcu_is_watching+0x15/0xb0
[ 97.702364][ T52] ? lock_release+0x4b/0x3d0
[ 97.702382][ T52] ? _raw_spin_lock_irqsave+0xb3/0xf0
[ 97.702401][ T52] ? __virt_addr_valid+0x1c8/0x5c0
[ 97.702415][ T52] ? __virt_addr_valid+0x4a5/0x5c0
[ 97.702430][ T52] print_report+0xca/0x240
[ 97.702448][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 97.702467][ T52] kasan_report+0x118/0x150
[ 97.702487][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 97.702517][ T52] hci_cmd_work+0x5d0/0x7b0
[ 97.702538][ T52] ? process_one_work+0x868/0x15e0
[ 97.702556][ T52] process_one_work+0x93a/0x15e0
[ 97.702573][ T52] ? __lock_acquire+0xab9/0xd20
[ 97.702596][ T52] ? __pfx_process_one_work+0x10/0x10
[ 97.702616][ T52] ? assign_work+0x3a1/0x410
[ 97.702634][ T52] worker_thread+0x9b0/0xee0
[ 97.702660][ T52] kthread+0x711/0x8a0
[ 97.702674][ T52] ? __pfx_worker_thread+0x10/0x10
[ 97.702693][ T52] ? __pfx_kthread+0x10/0x10
[ 97.702706][ T52] ? _raw_spin_unlock_irq+0x23/0x50
[ 97.702723][ T52] ? lockdep_hardirqs_on+0x9c/0x150
[ 97.702741][ T52] ? __pfx_kthread+0x10/0x10
[ 97.702753][ T52] ret_from_fork+0x599/0xb30
[ 97.702771][ T52] ? __pfx_ret_from_fork+0x10/0x10
[ 97.702791][ T52] ? __switch_to_asm+0x39/0x70
[ 97.702805][ T52] ? __switch_to_asm+0x33/0x70
[ 97.702818][ T52] ? __pfx_kthread+0x10/0x10
[ 97.702831][ T52] ret_from_fork_asm+0x1a/0x30
[ 97.702849][ T52]
[ 97.702855][ T52]
[ 97.892746][ T52] Allocated by task 5151:
[ 97.897077][ T52] kasan_save_track+0x3e/0x80
[ 97.901760][ T52] __kasan_slab_alloc+0x6c/0x80
[ 97.906616][ T52] kmem_cache_alloc_node_noprof+0x43c/0x710
[ 97.912506][ T52] __alloc_skb+0x112/0x2d0
[ 97.917369][ T52] hci_cmd_sync_alloc+0x3d/0x3b0
[ 97.922335][ T52] __hci_cmd_sync_sk+0x1a7/0xc70
[ 97.927319][ T52] hci_dev_open_sync+0x1756/0x2dc0
[ 97.932438][ T52] hci_power_on+0x1b4/0x720
[ 97.936948][ T52] process_one_work+0x93a/0x15e0
[ 97.941908][ T52] worker_thread+0x9b0/0xee0
[ 97.946621][ T52] kthread+0x711/0x8a0
[ 97.950693][ T52] ret_from_fork+0x599/0xb30
[ 97.955285][ T52] ret_from_fork_asm+0x1a/0x30
[ 97.960048][ T52]
[ 97.962403][ T52] Freed by task 5895:
[ 97.966383][ T52] kasan_save_track+0x3e/0x80
[ 97.971061][ T52] kasan_save_free_info+0x46/0x50
[ 97.976081][ T52] __kasan_slab_free+0x5c/0x80
[ 97.980873][ T52] kmem_cache_free+0x197/0x640
[ 97.985650][ T52] vhci_read+0x49a/0x5b0
[ 97.989911][ T52] vfs_read+0x200/0xa30
[ 97.994088][ T52] ksys_read+0x145/0x250
[ 97.998355][ T52] do_syscall_64+0xfa/0xfa0
[ 98.002893][ T52] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 98.008799][ T52]
[ 98.011127][ T52] The buggy address belongs to the object at ffff888031427780
[ 98.011127][ T52] which belongs to the cache skbuff_head_cache of size 240
[ 98.025959][ T52] The buggy address is located 56 bytes inside of
[ 98.025959][ T52] freed 240-byte region [ffff888031427780, ffff888031427870)
[ 98.039665][ T52]
[ 98.041988][ T52] The buggy address belongs to the physical page:
[ 98.048395][ T52] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x31427
[ 98.057151][ T52] anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[ 98.064690][ T52] page_type: f5(slab)
[ 98.068670][ T52] raw: 00fff00000000000 ffff88801d6f2a00 0000000000000000 dead000000000001
[ 98.077372][ T52] raw: 0000000000000000 00000000000c000c 00000000f5000000 0000000000000000
[ 98.085962][ T52] page dumped because: kasan: bad access detected
[ 98.092376][ T52] page_owner tracks the page as allocated
[ 98.098088][ T52] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5210, tgid 5210 (udevd), ts 36263815116, free_ts 36256312047
[ 98.116765][ T52] post_alloc_hook+0x240/0x2a0
[ 98.121564][ T52] get_page_from_freelist+0x2365/0x2440
[ 98.127255][ T52] __alloc_frozen_pages_noprof+0x181/0x370
[ 98.133189][ T52] alloc_pages_mpol+0x232/0x4a0
[ 98.138064][ T52] allocate_slab+0x86/0x3b0
[ 98.142569][ T52] ___slab_alloc+0xf56/0x1990
[ 98.147283][ T52] __slab_alloc+0x65/0x100
[ 98.151704][ T52] kmem_cache_alloc_node_noprof+0x4ce/0x710
[ 98.157594][ T52] __alloc_skb+0x112/0x2d0
[ 98.162021][ T52] netlink_sendmsg+0x5c6/0xb30
[ 98.166873][ T52] __sock_sendmsg+0x21c/0x270
[ 98.171550][ T52] ____sys_sendmsg+0x505/0x870
[ 98.176313][ T52] ___sys_sendmsg+0x21f/0x2a0
[ 98.181005][ T52] __x64_sys_sendmsg+0x19b/0x260
[ 98.185974][ T52] do_syscall_64+0xfa/0xfa0
[ 98.190594][ T52] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 98.196509][ T52] page last free pid 23 tgid 23 stack trace:
[ 98.202588][ T52] __free_frozen_pages+0xbc8/0xd30
[ 98.207862][ T52] rcu_core+0xcab/0x1770
[ 98.212145][ T52] handle_softirqs+0x27d/0x880
[ 98.216931][ T52] run_ksoftirqd+0x9b/0x100
[ 98.221601][ T52] smpboot_thread_fn+0x542/0xa60
[ 98.226891][ T52] kthread+0x711/0x8a0
[ 98.230961][ T52] ret_from_fork+0x599/0xb30
[ 98.235596][ T52] ret_from_fork_asm+0x1a/0x30
[ 98.240368][ T52]
[ 98.242686][ T52] Memory state around the buggy address:
[ 98.248367][ T52] ffff888031427680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 98.256688][ T52] ffff888031427700: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
[ 98.264921][ T52] >ffff888031427780: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 98.272977][ T52] ^
[ 98.278863][ T52] ffff888031427800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[ 98.287005][ T52] ffff888031427880: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 98.295057][ T52] ==================================================================
[ 98.304273][ T52] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 98.311507][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted syzkaller #0 PREEMPT(full)
[ 98.320806][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 98.331241][ T52] Workqueue: hci0 hci_cmd_work
[ 98.336015][ T52] Call Trace:
[ 98.339313][ T52]
[ 98.342425][ T52] dump_stack_lvl+0x99/0x250
[ 98.347027][ T52] ? __asan_memcpy+0x40/0x70
[ 98.351692][ T52] ? __pfx_dump_stack_lvl+0x10/0x10
[ 98.356905][ T52] ? __pfx__printk+0x10/0x10
[ 98.361510][ T52] vpanic+0x237/0x6d0
[ 98.365557][ T52] ? __pfx_vpanic+0x10/0x10
[ 98.370125][ T52] ? preempt_schedule+0xae/0xc0
[ 98.374988][ T52] ? __pfx_preempt_schedule+0x10/0x10
[ 98.380455][ T52] panic+0xb9/0xc0
[ 98.384176][ T52] ? __pfx_panic+0x10/0x10
[ 98.388597][ T52] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 98.394491][ T52] ? is_module_address+0x17/0xf0
[ 98.399536][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 98.404219][ T52] check_panic_on_warn+0x89/0xb0
[ 98.409167][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 98.413843][ T52] end_report+0x6f/0x160
[ 98.418167][ T52] kasan_report+0x129/0x150
[ 98.422688][ T52] ? hci_cmd_work+0x5d0/0x7b0
[ 98.427471][ T52] hci_cmd_work+0x5d0/0x7b0
[ 98.431994][ T52] ? process_one_work+0x868/0x15e0
[ 98.437125][ T52] process_one_work+0x93a/0x15e0
[ 98.442056][ T52] ? __lock_acquire+0xab9/0xd20
[ 98.446914][ T52] ? __pfx_process_one_work+0x10/0x10
[ 98.452275][ T52] ? assign_work+0x3a1/0x410
[ 98.456866][ T52] worker_thread+0x9b0/0xee0
[ 98.461457][ T52] kthread+0x711/0x8a0
[ 98.465517][ T52] ? __pfx_worker_thread+0x10/0x10
[ 98.470625][ T52] ? __pfx_kthread+0x10/0x10
[ 98.475210][ T52] ? _raw_spin_unlock_irq+0x23/0x50
[ 98.480402][ T52] ? lockdep_hardirqs_on+0x9c/0x150
[ 98.485616][ T52] ? __pfx_kthread+0x10/0x10
[ 98.490196][ T52] ret_from_fork+0x599/0xb30
[ 98.494780][ T52] ? __pfx_ret_from_fork+0x10/0x10
[ 98.499896][ T52] ? __switch_to_asm+0x39/0x70
[ 98.504707][ T52] ? __switch_to_asm+0x33/0x70
[ 98.509463][ T52] ? __pfx_kthread+0x10/0x10
[ 98.514042][ T52] ret_from_fork_asm+0x1a/0x30
[ 98.518893][ T52]
[ 98.522180][ T52] Kernel Offset: disabled
[ 98.526506][ 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-build2281226517=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
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'
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 1c8c8cd83
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=1c8c8cd830af4deee250ad11f1613d1d9a62ca0b -X github.com/google/syzkaller/prog.gitRevisionDate=20251017-133007" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=1c8c8cd830af4deee250ad11f1613d1d9a62ca0b -X github.com/google/syzkaller/prog.gitRevisionDate=20251017-133007" ./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=1c8c8cd830af4deee250ad11f1613d1d9a62ca0b -X github.com/google/syzkaller/prog.gitRevisionDate=20251017-133007" -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=\"1c8c8cd830af4deee250ad11f1613d1d9a62ca0b\"
/usr/bin/ld: /tmp/ccxuxc4W.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