KASAN: slab-use-after-free Write in binder_add_device netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 ================================================================== 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+0x64/0xac drivers/android/binder.c:6932 Write of size 8 at addr ffff0000c844c808 by task syz-executor/5623 CPU: 1 UID: 0 PID: 5623 Comm: syz-executor Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x178/0x518 mm/kasan/report.c:489 kasan_report+0xd8/0x138 mm/kasan/report.c:602 __asan_report_store8_noabort+0x20/0x2c mm/kasan/report_generic.c:386 hlist_add_head include/linux/list.h:1026 [inline] binder_add_device+0x64/0xac drivers/android/binder.c:6932 binderfs_binder_device_create+0x798/0x958 drivers/android/binderfs.c:210 binderfs_fill_super+0x7ac/0xc04 drivers/android/binderfs.c:729 vfs_get_super fs/super.c:1280 [inline] get_tree_nodev+0xb4/0x144 fs/super.c:1299 binderfs_fs_context_get_tree+0x28/0x38 drivers/android/binderfs.c:749 vfs_get_tree+0x90/0x28c fs/super.c:1814 do_new_mount+0x278/0x900 fs/namespace.c:3560 path_mount+0x590/0xe04 fs/namespace.c:3887 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount fs/namespace.c:4088 [inline] __arm64_sys_mount+0x4d8/0x5ac fs/namespace.c:4088 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 5617: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x90/0xa8 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x2c8/0x3f0 mm/slub.c:4325 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] binderfs_binder_device_create+0x18c/0x958 drivers/android/binderfs.c:147 binderfs_fill_super+0x7ac/0xc04 drivers/android/binderfs.c:729 vfs_get_super fs/super.c:1280 [inline] get_tree_nodev+0xb4/0x144 fs/super.c:1299 binderfs_fs_context_get_tree+0x28/0x38 drivers/android/binderfs.c:749 vfs_get_tree+0x90/0x28c fs/super.c:1814 do_new_mount+0x278/0x900 fs/namespace.c:3560 path_mount+0x590/0xe04 fs/namespace.c:3887 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount fs/namespace.c:4088 [inline] __arm64_sys_mount+0x4d8/0x5ac fs/namespace.c:4088 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Freed by task 5617: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x48/0x68 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+0x16c/0x484 mm/slub.c:4757 binderfs_evict_inode+0x160/0x220 drivers/android/binderfs.c:278 evict+0x444/0x978 fs/inode.c:796 iput_final fs/inode.c:1946 [inline] iput+0x740/0x8e8 fs/inode.c:1972 dentry_unlink_inode+0x3a0/0x4e0 fs/dcache.c:440 __dentry_kill+0x178/0x5e8 fs/dcache.c:643 shrink_kill+0xd4/0x2cc fs/dcache.c:1088 shrink_dentry_list+0x31c/0x768 fs/dcache.c:1115 shrink_dcache_parent+0xc4/0x374 do_one_tree+0x30/0xfc fs/dcache.c:1578 shrink_dcache_for_umount+0xd8/0x188 fs/dcache.c:1595 generic_shutdown_super+0x68/0x2bc fs/super.c:620 kill_anon_super fs/super.c:1237 [inline] kill_litter_super+0x74/0xb8 fs/super.c:1247 binderfs_kill_super+0x44/0x9c drivers/android/binderfs.c:791 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1413 __cleanup_mnt+0x20/0x30 fs/namespace.c:1420 task_work_run+0x230/0x2e0 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x4e8/0x1acc kernel/exit.c:938 do_group_exit+0x194/0x22c kernel/exit.c:1087 get_signal+0x1418/0x1534 kernel/signal.c:3036 do_signal+0x22c/0x39e4 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at ffff0000c844c800 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes inside of freed 512-byte region [ffff0000c844c800, ffff0000c844ca00) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10844c head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000040 ffff0000c0001c80 fffffdffc32dd300 dead000000000002 raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 05ffc00000000040 ffff0000c0001c80 fffffdffc32dd300 dead000000000002 head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 05ffc00000000002 fffffdffc3211301 ffffffffffffffff 0000000000000000 head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c844c700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c844c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000c844c800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000c844c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000c844c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== Warning: Permanently added '10.128.0.15' (ED25519) to the list of known hosts. 1970/01/01 00:00:36 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:37 parsed 1 programs [ 39.307900][ T5608] cgroup: Unknown subsys name 'net' [ 39.554192][ T5608] cgroup: Unknown subsys name 'cpuset' [ 39.557683][ T5608] cgroup: Unknown subsys name 'rlimit' [ 39.559336][ T5608] cgroup: Unknown subsys name 'memory' [ 39.784915][ T5608] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 48.744849][ T5623] chnl_net:caif_netlink_parms(): no params data found [ 48.778798][ T5623] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.780803][ T5623] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.782804][ T5623] bridge_slave_0: entered allmulticast mode [ 48.784801][ T5623] bridge_slave_0: entered promiscuous mode [ 48.788305][ T5623] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.790090][ T5623] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.792085][ T5623] bridge_slave_1: entered allmulticast mode [ 48.794002][ T5623] bridge_slave_1: entered promiscuous mode [ 48.805407][ T5623] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.808963][ T5623] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.820279][ T5623] team0: Port device team_slave_0 added [ 48.862769][ T5623] team0: Port device team_slave_1 added [ 48.873258][ T5623] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.875128][ T5623] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.881549][ T5623] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.886416][ T5623] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.888250][ T5623] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 48.895512][ T5623] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.913855][ T5623] hsr_slave_0: entered promiscuous mode [ 48.916036][ T5623] hsr_slave_1: entered promiscuous mode [ 48.971207][ T5623] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.974991][ T5623] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.978824][ T5623] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.982301][ T5623] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.995097][ T5623] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.997190][ T5623] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.999523][ T5623] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.001416][ T5623] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.025587][ T5623] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.034696][ T525] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.038153][ T525] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.047882][ T5623] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.053151][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.055117][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.060416][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.062335][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.133474][ T5623] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.149348][ T5623] veth0_vlan: entered promiscuous mode [ 49.153572][ T5623] veth1_vlan: entered promiscuous mode [ 49.165298][ T5623] veth0_macvtap: entered promiscuous mode [ 49.168408][ T5623] veth1_macvtap: entered promiscuous mode [ 49.177469][ T5623] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.184198][ T5623] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.188134][ T5623] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.190455][ T5623] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.194061][ T5623] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.196378][ T5623] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.220371][ T5623] ================================================================== [ 49.222608][ T5623] BUG: KASAN: slab-use-after-free in binder_add_device+0x64/0xac [ 49.224798][ T5623] Write of size 8 at addr ffff0000c844c808 by task syz-executor/5623 [ 49.227091][ T5623] [ 49.227675][ T5623] CPU: 1 UID: 0 PID: 5623 Comm: syz-executor Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0 [ 49.227689][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 49.227696][ T5623] Call trace: [ 49.227699][ T5623] show_stack+0x2c/0x3c (C) [ 49.227717][ T5623] dump_stack_lvl+0xe4/0x150 [ 49.227730][ T5623] print_report+0x178/0x518 [ 49.227743][ T5623] kasan_report+0xd8/0x138 [ 49.227754][ T5623] __asan_report_store8_noabort+0x20/0x2c [ 49.227767][ T5623] binder_add_device+0x64/0xac [ 49.227781][ T5623] binderfs_binder_device_create+0x798/0x958 [ 49.227794][ T5623] binderfs_fill_super+0x7ac/0xc04 [ 49.227807][ T5623] get_tree_nodev+0xb4/0x144 [ 49.227818][ T5623] binderfs_fs_context_get_tree+0x28/0x38 [ 49.227830][ T5623] vfs_get_tree+0x90/0x28c [ 49.227841][ T5623] do_new_mount+0x278/0x900 [ 49.227852][ T5623] path_mount+0x590/0xe04 [ 49.227862][ T5623] __arm64_sys_mount+0x4d8/0x5ac [ 49.227874][ T5623] invoke_syscall+0x98/0x2b8 [ 49.227885][ T5623] el0_svc_common+0x130/0x23c [ 49.227895][ T5623] do_el0_svc+0x48/0x58 [ 49.227906][ T5623] el0_svc+0x54/0x168 [ 49.227917][ T5623] el0t_64_sync_handler+0x84/0x108 [ 49.227927][ T5623] el0t_64_sync+0x198/0x19c [ 49.227938][ T5623] [ 49.260539][ T5623] Allocated by task 5617: [ 49.261841][ T5623] kasan_save_track+0x40/0x78 [ 49.263191][ T5623] kasan_save_alloc_info+0x40/0x50 [ 49.264573][ T5623] __kasan_kmalloc+0x90/0xa8 [ 49.265818][ T5623] __kmalloc_cache_noprof+0x2c8/0x3f0 [ 49.267274][ T5623] binderfs_binder_device_create+0x18c/0x958 [ 49.268842][ T5623] binderfs_fill_super+0x7ac/0xc04 [ 49.270182][ T5623] get_tree_nodev+0xb4/0x144 [ 49.271400][ T5623] binderfs_fs_context_get_tree+0x28/0x38 [ 49.272896][ T5623] vfs_get_tree+0x90/0x28c [ 49.274096][ T5623] do_new_mount+0x278/0x900 [ 49.275385][ T5623] path_mount+0x590/0xe04 [ 49.276579][ T5623] __arm64_sys_mount+0x4d8/0x5ac [ 49.277924][ T5623] invoke_syscall+0x98/0x2b8 [ 49.279246][ T5623] el0_svc_common+0x130/0x23c [ 49.280562][ T5623] do_el0_svc+0x48/0x58 [ 49.281671][ T5623] el0_svc+0x54/0x168 [ 49.282740][ T5623] el0t_64_sync_handler+0x84/0x108 [ 49.284121][ T5623] el0t_64_sync+0x198/0x19c [ 49.285381][ T5623] [ 49.286026][ T5623] Freed by task 5617: [ 49.287095][ T5623] kasan_save_track+0x40/0x78 [ 49.288252][ T5623] kasan_save_free_info+0x54/0x6c [ 49.289620][ T5623] __kasan_slab_free+0x48/0x68 [ 49.290875][ T5623] kfree+0x16c/0x484 [ 49.291877][ T5623] binderfs_evict_inode+0x160/0x220 [ 49.293392][ T5623] evict+0x444/0x978 [ 49.294439][ T5623] iput+0x740/0x8e8 [ 49.295561][ T5623] dentry_unlink_inode+0x3a0/0x4e0 [ 49.296945][ T5623] __dentry_kill+0x178/0x5e8 [ 49.298219][ T5623] shrink_kill+0xd4/0x2cc [ 49.299333][ T5623] shrink_dentry_list+0x31c/0x768 [ 49.300729][ T5623] shrink_dcache_parent+0xc4/0x374 [ 49.302117][ T5623] do_one_tree+0x30/0xfc [ 49.303247][ T5623] shrink_dcache_for_umount+0xd8/0x188 [ 49.304761][ T5623] generic_shutdown_super+0x68/0x2bc [ 49.306164][ T5623] kill_litter_super+0x74/0xb8 [ 49.307477][ T5623] binderfs_kill_super+0x44/0x9c [ 49.308771][ T5623] deactivate_locked_super+0xc4/0x12c [ 49.310303][ T5623] deactivate_super+0xe0/0x100 [ 49.311618][ T5623] cleanup_mnt+0x34c/0x3dc [ 49.312822][ T5623] __cleanup_mnt+0x20/0x30 [ 49.314026][ T5623] task_work_run+0x230/0x2e0 [ 49.315267][ T5623] do_exit+0x4e8/0x1acc [ 49.316367][ T5623] do_group_exit+0x194/0x22c [ 49.317603][ T5623] get_signal+0x1418/0x1534 [ 49.318815][ T5623] do_signal+0x22c/0x39e4 [ 49.319968][ T5623] do_notify_resume+0x74/0x1f4 [ 49.321262][ T5623] el0_svc+0xac/0x168 [ 49.322288][ T5623] el0t_64_sync_handler+0x84/0x108 [ 49.323642][ T5623] el0t_64_sync+0x198/0x19c [ 49.324937][ T5623] [ 49.325500][ T5623] The buggy address belongs to the object at ffff0000c844c800 [ 49.325500][ T5623] which belongs to the cache kmalloc-512 of size 512 [ 49.329227][ T5623] The buggy address is located 8 bytes inside of [ 49.329227][ T5623] freed 512-byte region [ffff0000c844c800, ffff0000c844ca00) [ 49.332812][ T5623] [ 49.333427][ T5623] The buggy address belongs to the physical page: [ 49.335193][ T5623] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10844c [ 49.337659][ T5623] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 49.339970][ T5623] flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) [ 49.342060][ T5623] page_type: f5(slab) [ 49.343257][ T5623] raw: 05ffc00000000040 ffff0000c0001c80 fffffdffc32dd300 dead000000000002 [ 49.345581][ T5623] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 49.348009][ T5623] head: 05ffc00000000040 ffff0000c0001c80 fffffdffc32dd300 dead000000000002 [ 49.350370][ T5623] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 49.352716][ T5623] head: 05ffc00000000002 fffffdffc3211301 ffffffffffffffff 0000000000000000 [ 49.355025][ T5623] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 49.357407][ T5623] page dumped because: kasan: bad access detected [ 49.359129][ T5623] [ 49.359733][ T5623] Memory state around the buggy address: [ 49.361298][ T5623] ffff0000c844c700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 49.363453][ T5623] ffff0000c844c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 49.365668][ T5623] >ffff0000c844c800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.367807][ T5623] ^ [ 49.368908][ T5623] ffff0000c844c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.370916][ T5623] ffff0000c844c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.373043][ T5623] ================================================================== [ 49.375658][ T5623] Disabling lock debugging due to kernel taint [ 49.702200][ T44] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.802808][ T44] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 49.892111][ T44] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.002417][ T44] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.038156][ T5660] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.040215][ T5660] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.042893][ T5660] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.045129][ T5660] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.047261][ T5660] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.049250][ T5660] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.310532][ T525] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.313980][ T525] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.320112][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.323686][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:50 executed programs: 0 [ 50.663526][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.665628][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.667598][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.670505][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.673184][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.675180][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.715409][ T5704] chnl_net:caif_netlink_parms(): no params data found [ 50.731179][ T5704] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.733230][ T5704] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.735208][ T5704] bridge_slave_0: entered allmulticast mode [ 50.737072][ T5704] bridge_slave_0: entered promiscuous mode [ 50.739248][ T5704] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.741539][ T5704] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.743735][ T5704] bridge_slave_1: entered allmulticast mode [ 50.745476][ T5704] bridge_slave_1: entered promiscuous mode [ 50.755191][ T5704] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.759223][ T5704] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.768061][ T5704] team0: Port device team_slave_0 added [ 50.770630][ T5704] team0: Port device team_slave_1 added [ 50.778405][ T5704] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.780248][ T5704] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.787264][ T5704] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.790949][ T5704] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.792878][ T5704] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 50.799315][ T5704] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.811488][ T5704] hsr_slave_0: entered promiscuous mode [ 50.813751][ T5704] hsr_slave_1: entered promiscuous mode [ 50.815236][ T5704] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.817097][ T5704] Cannot create hsr debugfs directory [ 52.751248][ T53] Bluetooth: hci0: command tx timeout [ 53.149231][ T44] bridge_slave_1: left allmulticast mode [ 53.150672][ T44] bridge_slave_1: left promiscuous mode [ 53.152117][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.154794][ T44] bridge_slave_0: left allmulticast mode [ 53.156202][ T44] bridge_slave_0: left promiscuous mode [ 53.157552][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.762451][ T44] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 54.802458][ T44] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 54.821480][ T53] Bluetooth: hci0: command tx timeout [ 54.852104][ T44] bond0 (unregistering): Released all slaves [ 54.915237][ T44] hsr_slave_0: left promiscuous mode [ 54.916951][ T44] hsr_slave_1: left promiscuous mode [ 54.918579][ T44] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 54.920538][ T44] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 54.922805][ T44] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 54.924753][ T44] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 54.928482][ T44] veth1_macvtap: left promiscuous mode [ 54.929915][ T44] veth0_macvtap: left promiscuous mode [ 54.932379][ T44] veth1_vlan: left promiscuous mode [ 54.933749][ T44] veth0_vlan: left promiscuous mode [ 56.901265][ T53] Bluetooth: hci0: command tx timeout [ 56.972069][ T44] team0 (unregistering): Port device team_slave_1 removed [ 57.151887][ T44] team0 (unregistering): Port device team_slave_0 removed [ 58.981280][ T53] Bluetooth: hci0: command tx timeout 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-build198395812=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at 4c6ac32f33 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 touch .descriptions GOOS=linux GOARCH=arm64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=4c6ac32f33aa00c680c8f4656d1fbf2887f390f1 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250130-130318'" -o ./bin/linux_arm64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_arm64 aarch64-linux-gnu-g++ -o ./bin/linux_arm64/syz-executor executor/executor.cc \ -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_arm64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"4c6ac32f33aa00c680c8f4656d1fbf2887f390f1\" /usr/lib/gcc-cross/aarch64-linux-gnu/12/../../../../aarch64-linux-gnu/bin/ld: /tmp/ccDRMc2t.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0xd8): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking