KASAN: slab-use-after-free Read in hci_cmd_work
==================================================================
BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d0/0x7b0 net/bluetooth/hci_core.c:4174
Read of size 2 at addr ffff888025b54538 by task kworker/u9:2/5839
CPU: 1 UID: 0 PID: 5839 Comm: kworker/u9:2 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 5149:
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_reset_sync+0x4a/0x140 net/bluetooth/hci_sync.c:3664
hci_init1_sync net/bluetooth/hci_sync.c:3750 [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+0xec5/0x2dc0 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 5840:
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 ffff888025b54500
which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 56 bytes inside of
freed 240-byte region [ffff888025b54500, ffff888025b545f0)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x25b54
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff888140edfa00 dead000000000122 0000000000000000
raw: 0000000000000000 00000000800c000c 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 5830, tgid 5830 (udevd), ts 68385859242, free_ts 29064952295
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 5213 tgid 5213 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
do_readlinkat+0xbc/0x500 fs/stat.c:575
__do_sys_readlink fs/stat.c:613 [inline]
__se_sys_readlink fs/stat.c:610 [inline]
__x64_sys_readlink+0x7f/0x90 fs/stat.c:610
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:
ffff888025b54400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888025b54480: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
>ffff888025b54500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888025b54580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
ffff888025b54600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
==================================================================
Warning: Permanently added '10.128.1.57' (ED25519) to the list of known hosts.
2025/11/17 15:08:39 ignoring optional flag "type"="gce"
2025/11/17 15:08:40 parsed 1 programs
[ 68.049036][ T5829] cgroup: Unknown subsys name 'net'
[ 68.204470][ T5829] cgroup: Unknown subsys name 'cpuset'
[ 68.213642][ T5829] cgroup: Unknown subsys name 'rlimit'
2025/11/17 15:08:40 executed programs: 0
[ 68.389968][ T5839] ==================================================================
[ 68.398078][ T5839] BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d0/0x7b0
[ 68.405537][ T5839] Read of size 2 at addr ffff888025b54538 by task kworker/u9:2/5839
[ 68.413519][ T5839]
[ 68.415861][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: kworker/u9:2 Not tainted syzkaller #0 PREEMPT(full)
[ 68.415876][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 68.415884][ T5839] Workqueue: hci0 hci_cmd_work
[ 68.415908][ T5839] Call Trace:
[ 68.415914][ T5839]
[ 68.415919][ T5839] dump_stack_lvl+0x189/0x250
[ 68.415936][ T5839] ? __virt_addr_valid+0x1c8/0x5c0
[ 68.415945][ T5839] ? rcu_is_watching+0x15/0xb0
[ 68.415954][ T5839] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.415967][ T5839] ? rcu_is_watching+0x15/0xb0
[ 68.415975][ T5839] ? lock_release+0x4b/0x3d0
[ 68.415987][ T5839] ? _raw_spin_lock_irqsave+0xb3/0xf0
[ 68.416000][ T5839] ? __virt_addr_valid+0x1c8/0x5c0
[ 68.416008][ T5839] ? __virt_addr_valid+0x4a5/0x5c0
[ 68.416018][ T5839] print_report+0xca/0x240
[ 68.416030][ T5839] ? hci_cmd_work+0x5d0/0x7b0
[ 68.416042][ T5839] kasan_report+0x118/0x150
[ 68.416056][ T5839] ? hci_cmd_work+0x5d0/0x7b0
[ 68.416069][ T5839] hci_cmd_work+0x5d0/0x7b0
[ 68.416083][ T5839] ? process_one_work+0x868/0x15e0
[ 68.416094][ T5839] process_one_work+0x93a/0x15e0
[ 68.416133][ T5839] ? __lock_acquire+0xab9/0xd20
[ 68.416149][ T5839] ? __pfx_process_one_work+0x10/0x10
[ 68.416162][ T5839] ? assign_work+0x3a1/0x410
[ 68.416174][ T5839] worker_thread+0x9b0/0xee0
[ 68.416191][ T5839] kthread+0x711/0x8a0
[ 68.416200][ T5839] ? __pfx_worker_thread+0x10/0x10
[ 68.416211][ T5839] ? __pfx_kthread+0x10/0x10
[ 68.416220][ T5839] ? _raw_spin_unlock_irq+0x23/0x50
[ 68.416230][ T5839] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.416243][ T5839] ? __pfx_kthread+0x10/0x10
[ 68.416251][ T5839] ret_from_fork+0x599/0xb30
[ 68.416263][ T5839] ? __pfx_ret_from_fork+0x10/0x10
[ 68.416275][ T5839] ? __switch_to_asm+0x39/0x70
[ 68.416285][ T5839] ? __switch_to_asm+0x33/0x70
[ 68.416293][ T5839] ? __pfx_kthread+0x10/0x10
[ 68.416301][ T5839] ret_from_fork_asm+0x1a/0x30
[ 68.416313][ T5839]
[ 68.416317][ T5839]
[ 68.607694][ T5839] Allocated by task 5149:
[ 68.612009][ T5839] kasan_save_track+0x3e/0x80
[ 68.616678][ T5839] __kasan_slab_alloc+0x6c/0x80
[ 68.621514][ T5839] kmem_cache_alloc_node_noprof+0x43c/0x710
[ 68.627390][ T5839] __alloc_skb+0x112/0x2d0
[ 68.631812][ T5839] hci_cmd_sync_alloc+0x3d/0x3b0
[ 68.636746][ T5839] __hci_cmd_sync_sk+0x1a7/0xc70
[ 68.641677][ T5839] hci_reset_sync+0x4a/0x140
[ 68.646247][ T5839] hci_dev_open_sync+0xec5/0x2dc0
[ 68.651338][ T5839] hci_power_on+0x1b4/0x720
[ 68.655856][ T5839] process_one_work+0x93a/0x15e0
[ 68.660803][ T5839] worker_thread+0x9b0/0xee0
[ 68.665386][ T5839] kthread+0x711/0x8a0
[ 68.669454][ T5839] ret_from_fork+0x599/0xb30
[ 68.674211][ T5839] ret_from_fork_asm+0x1a/0x30
[ 68.678957][ T5839]
[ 68.681270][ T5839] Freed by task 5840:
[ 68.685332][ T5839] kasan_save_track+0x3e/0x80
[ 68.689994][ T5839] kasan_save_free_info+0x46/0x50
[ 68.694996][ T5839] __kasan_slab_free+0x5c/0x80
[ 68.699740][ T5839] kmem_cache_free+0x197/0x640
[ 68.704486][ T5839] vhci_read+0x49a/0x5b0
[ 68.708714][ T5839] vfs_read+0x200/0xa30
[ 68.712867][ T5839] ksys_read+0x145/0x250
[ 68.717177][ T5839] do_syscall_64+0xfa/0xfa0
[ 68.721664][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.727538][ T5839]
[ 68.729930][ T5839] The buggy address belongs to the object at ffff888025b54500
[ 68.729930][ T5839] which belongs to the cache skbuff_head_cache of size 240
[ 68.744485][ T5839] The buggy address is located 56 bytes inside of
[ 68.744485][ T5839] freed 240-byte region [ffff888025b54500, ffff888025b545f0)
[ 68.758203][ T5839]
[ 68.760511][ T5839] The buggy address belongs to the physical page:
[ 68.767004][ T5839] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x25b54
[ 68.775745][ T5839] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[ 68.783012][ T5839] page_type: f5(slab)
[ 68.786975][ T5839] raw: 00fff00000000000 ffff888140edfa00 dead000000000122 0000000000000000
[ 68.795537][ T5839] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[ 68.804092][ T5839] page dumped because: kasan: bad access detected
[ 68.810497][ T5839] page_owner tracks the page as allocated
[ 68.816293][ T5839] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5830, tgid 5830 (udevd), ts 68385859242, free_ts 29064952295
[ 68.835042][ T5839] post_alloc_hook+0x240/0x2a0
[ 68.839801][ T5839] get_page_from_freelist+0x2365/0x2440
[ 68.845364][ T5839] __alloc_frozen_pages_noprof+0x181/0x370
[ 68.851162][ T5839] alloc_pages_mpol+0x232/0x4a0
[ 68.856090][ T5839] allocate_slab+0x86/0x3b0
[ 68.860576][ T5839] ___slab_alloc+0xf56/0x1990
[ 68.865435][ T5839] __slab_alloc+0x65/0x100
[ 68.869862][ T5839] kmem_cache_alloc_node_noprof+0x4ce/0x710
[ 68.875737][ T5839] __alloc_skb+0x112/0x2d0
[ 68.880158][ T5839] netlink_sendmsg+0x5c6/0xb30
[ 68.884992][ T5839] __sock_sendmsg+0x21c/0x270
[ 68.889741][ T5839] ____sys_sendmsg+0x505/0x870
[ 68.894486][ T5839] ___sys_sendmsg+0x21f/0x2a0
[ 68.899154][ T5839] __x64_sys_sendmsg+0x19b/0x260
[ 68.904084][ T5839] do_syscall_64+0xfa/0xfa0
[ 68.908571][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.914448][ T5839] page last free pid 5213 tgid 5213 stack trace:
[ 68.920753][ T5839] __free_frozen_pages+0xbc8/0xd30
[ 68.925848][ T5839] __put_partials+0x146/0x170
[ 68.930507][ T5839] put_cpu_partial+0x1f2/0x2e0
[ 68.935254][ T5839] __slab_free+0x288/0x2a0
[ 68.939656][ T5839] qlist_free_all+0x97/0x100
[ 68.944316][ T5839] kasan_quarantine_reduce+0x148/0x160
[ 68.949856][ T5839] __kasan_slab_alloc+0x22/0x80
[ 68.954692][ T5839] kmem_cache_alloc_noprof+0x37d/0x700
[ 68.960171][ T5839] getname_flags+0xb8/0x540
[ 68.964657][ T5839] do_readlinkat+0xbc/0x500
[ 68.969147][ T5839] __x64_sys_readlink+0x7f/0x90
[ 68.973983][ T5839] do_syscall_64+0xfa/0xfa0
[ 68.978559][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.984446][ T5839]
[ 68.986869][ T5839] Memory state around the buggy address:
[ 68.992565][ T5839] ffff888025b54400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.000780][ T5839] ffff888025b54480: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
[ 69.008820][ T5839] >ffff888025b54500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 69.016956][ T5839] ^
[ 69.022848][ T5839] ffff888025b54580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
[ 69.030985][ T5839] ffff888025b54600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 69.039210][ T5839] ==================================================================
[ 69.047796][ T5839] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 69.055097][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: kworker/u9:2 Not tainted syzkaller #0 PREEMPT(full)
[ 69.064908][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 69.075044][ T5839] Workqueue: hci0 hci_cmd_work
[ 69.079894][ T5839] Call Trace:
[ 69.083189][ T5839]
[ 69.086116][ T5839] dump_stack_lvl+0x99/0x250
[ 69.090883][ T5839] ? __asan_memcpy+0x40/0x70
[ 69.095463][ T5839] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.100828][ T5839] ? __pfx__printk+0x10/0x10
[ 69.105410][ T5839] vpanic+0x237/0x6d0
[ 69.109373][ T5839] ? __pfx_vpanic+0x10/0x10
[ 69.113953][ T5839] ? preempt_schedule+0xae/0xc0
[ 69.118809][ T5839] ? __pfx_preempt_schedule+0x10/0x10
[ 69.124184][ T5839] panic+0xb9/0xc0
[ 69.127892][ T5839] ? __pfx_panic+0x10/0x10
[ 69.132317][ T5839] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 69.138230][ T5839] ? is_module_address+0x17/0xf0
[ 69.143159][ T5839] ? hci_cmd_work+0x5d0/0x7b0
[ 69.147829][ T5839] check_panic_on_warn+0x89/0xb0
[ 69.152773][ T5839] ? hci_cmd_work+0x5d0/0x7b0
[ 69.157472][ T5839] end_report+0x6f/0x160
[ 69.161708][ T5839] kasan_report+0x129/0x150
[ 69.166198][ T5839] ? hci_cmd_work+0x5d0/0x7b0
[ 69.170864][ T5839] hci_cmd_work+0x5d0/0x7b0
[ 69.175371][ T5839] ? process_one_work+0x868/0x15e0
[ 69.180467][ T5839] process_one_work+0x93a/0x15e0
[ 69.185394][ T5839] ? __lock_acquire+0xab9/0xd20
[ 69.190341][ T5839] ? __pfx_process_one_work+0x10/0x10
[ 69.195712][ T5839] ? assign_work+0x3a1/0x410
[ 69.200307][ T5839] worker_thread+0x9b0/0xee0
[ 69.204900][ T5839] kthread+0x711/0x8a0
[ 69.208962][ T5839] ? __pfx_worker_thread+0x10/0x10
[ 69.214508][ T5839] ? __pfx_kthread+0x10/0x10
[ 69.219101][ T5839] ? _raw_spin_unlock_irq+0x23/0x50
[ 69.224283][ T5839] ? lockdep_hardirqs_on+0x9c/0x150
[ 69.229471][ T5839] ? __pfx_kthread+0x10/0x10
[ 69.234044][ T5839] ret_from_fork+0x599/0xb30
[ 69.238632][ T5839] ? __pfx_ret_from_fork+0x10/0x10
[ 69.243734][ T5839] ? __switch_to_asm+0x39/0x70
[ 69.248484][ T5839] ? __switch_to_asm+0x33/0x70
[ 69.253237][ T5839] ? __pfx_kthread+0x10/0x10
[ 69.257825][ T5839] ret_from_fork_asm+0x1a/0x30
[ 69.262672][ T5839]
[ 69.265980][ T5839] Kernel Offset: disabled
[ 69.270296][ T5839] 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-build4138080939=/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 ab32d5088
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:32: run command via tools/syz-env for best compatibility, see:
Makefile:33: 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
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=ab32d50881df9f96f2af301aadca62ad00b7e099 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221230-155636'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=ab32d50881df9f96f2af301aadca62ad00b7e099 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221230-155636'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=ab32d50881df9f96f2af301aadca62ad00b7e099 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221230-155636'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -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 -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"ab32d50881df9f96f2af301aadca62ad00b7e099\"