7] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.630985][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.653946][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.657432][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.660017][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.662878][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.690026][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.693156][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.698729][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.701617][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.718969][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.721880][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.724525][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.749341][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.752063][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.754953][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.775300][ T5587] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 195.778144][ T5587] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 195.798923][ T5587] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 195.806309][ T5206] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 195.809221][ T5206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 195.827043][ T5587] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 195.829402][ T5587] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 195.847380][ T5587] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 195.849710][ T5587] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 196.025964][ T4385] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 196.028358][ T4385] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 196.041781][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 196.128263][ T5206] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 196.130626][ T5206] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 196.179198][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 196.181934][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 196.196272][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 196.225864][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 196.228786][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 196.250708][ T5597] device veth0_vlan entered promiscuous mode [ 196.253707][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 196.257259][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready 1970/01/01 00:03:16 executed programs: 374 [ 196.297898][ T5597] device veth1_vlan entered promiscuous mode [ 196.366450][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 196.368977][ T5702] loop7: detected capacity change from 0 to 32768 [ 196.369199][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 196.381346][ T5699] loop0: detected capacity change from 0 to 32768 [ 196.384988][ T5702] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 196.386732][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 196.388602][ T5702] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 196.395087][ T5699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 196.398313][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 196.402776][ T5699] CPU: 1 PID: 5699 Comm: syz.0.381 Not tainted 6.1.143-syzkaller #0 [ 196.404837][ T5699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 196.407537][ T5699] Call trace: [ 196.407925][ T5597] device veth0_macvtap entered promiscuous mode [ 196.408387][ T5699] dump_backtrace+0x1c8/0x1f4 [ 196.411297][ T5699] show_stack+0x2c/0x3c [ 196.412391][ T5699] __dump_stack+0x30/0x40 [ 196.413559][ T5699] dump_stack_lvl+0xf8/0x160 [ 196.414808][ T5699] dump_stack+0x1c/0x5c [ 196.415947][ T5699] sysfs_create_dir_ns+0x22c/0x24c [ 196.417341][ T5699] kobject_add_internal+0x5a8/0xb30 [ 196.418756][ T5699] kobject_init_and_add+0x118/0x17c [ 196.420155][ T5699] gfs2_sys_fs_add+0x1dc/0x3d8 [ 196.421407][ T5699] gfs2_fill_super+0xdec/0x19ec [ 196.422694][ T5699] get_tree_bdev+0x358/0x544 [ 196.423662][ T5597] device veth1_macvtap entered promiscuous mode [ 196.423920][ T5699] gfs2_get_tree+0x54/0x1b4 [ 196.426788][ T5699] vfs_get_tree+0x90/0x274 [ 196.428037][ T5699] do_new_mount+0x228/0x810 [ 196.429234][ T5699] path_mount+0x5b4/0xe78 [ 196.430369][ T5699] __arm64_sys_mount+0x49c/0x584 [ 196.431677][ T5699] invoke_syscall+0x98/0x2bc [ 196.432933][ T5699] el0_svc_common+0x138/0x258 [ 196.434167][ T5699] do_el0_svc+0x58/0x13c [ 196.435335][ T5699] el0_svc+0x58/0x138 [ 196.436377][ T5699] el0t_64_sync_handler+0x84/0xf0 [ 196.437726][ T5699] el0t_64_sync+0x18c/0x190 [ 196.441457][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 196.444071][ T4385] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 196.453712][ T5702] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 196.461113][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 196.463027][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 196.497102][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.511116][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.513834][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.515932][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 52ms [ 196.519891][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 196.523064][ T5702] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 196.538297][ T5699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 196.538811][ T5704] loop8: detected capacity change from 0 to 32768 [ 196.543924][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.546949][ T5699] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 196.554966][ T5704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 196.557352][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.560251][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.574353][ T5704] CPU: 0 PID: 5704 Comm: syz.8.358 Not tainted 6.1.143-syzkaller #0 [ 196.576624][ T5704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 196.579440][ T5704] Call trace: [ 196.580385][ T5704] dump_backtrace+0x1c8/0x1f4 [ 196.581733][ T5704] show_stack+0x2c/0x3c [ 196.582889][ T5704] __dump_stack+0x30/0x40 [ 196.584152][ T5704] dump_stack_lvl+0xf8/0x160 [ 196.585436][ T5704] dump_stack+0x1c/0x5c [ 196.586594][ T5704] sysfs_create_dir_ns+0x22c/0x24c [ 196.587968][ T5704] kobject_add_internal+0x5a8/0xb30 [ 196.589387][ T5704] kobject_init_and_add+0x118/0x17c [ 196.590828][ T5704] gfs2_sys_fs_add+0x1dc/0x3d8 [ 196.592135][ T5704] gfs2_fill_super+0xdec/0x19ec [ 196.593527][ T5704] get_tree_bdev+0x358/0x544 [ 196.594789][ T5704] gfs2_get_tree+0x54/0x1b4 [ 196.596051][ T5704] vfs_get_tree+0x90/0x274 [ 196.597302][ T5704] do_new_mount+0x228/0x810 [ 196.598484][ T5704] path_mount+0x5b4/0xe78 [ 196.599752][ T5704] __arm64_sys_mount+0x49c/0x584 [ 196.601103][ T5704] invoke_syscall+0x98/0x2bc [ 196.602383][ T5704] el0_svc_common+0x138/0x258 [ 196.603668][ T5704] do_el0_svc+0x58/0x13c [ 196.604871][ T5704] el0_svc+0x58/0x138 [ 196.605951][ T5704] el0t_64_sync_handler+0x84/0xf0 [ 196.607307][ T5704] el0t_64_sync+0x18c/0x190 [ 196.616539][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.619346][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.629655][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.632827][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.639388][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.645673][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.649463][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.652379][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.660749][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.663582][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.671449][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.674286][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.682556][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.686306][ T5704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 196.691902][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.694612][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.700230][ T5704] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 196.705727][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.708345][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.721455][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.724128][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.735548][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.738199][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.741127][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.747730][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.750562][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.753233][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.761283][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.766249][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.771613][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.776600][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.781798][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.787696][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.792952][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.796959][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 196.802176][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.817443][ T5597] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 196.834911][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 196.840792][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 196.849897][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 196.852689][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.865640][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 196.868659][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.871409][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 196.874407][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.888080][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 196.890995][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.900481][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 196.910639][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.922950][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 196.934661][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 196.987990][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.003298][ T5708] loop1: detected capacity change from 0 to 32768 [ 197.010304][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.013210][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.024086][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.025242][ T5708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 197.027170][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.028777][ T5708] CPU: 1 PID: 5708 Comm: syz.1.362 Not tainted 6.1.143-syzkaller #0 [ 197.031482][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.033573][ T5708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 197.033586][ T5708] Call trace: [ 197.033590][ T5708] dump_backtrace+0x1c8/0x1f4 [ 197.033610][ T5708] show_stack+0x2c/0x3c [ 197.033619][ T5708] __dump_stack+0x30/0x40 [ 197.033633][ T5708] dump_stack_lvl+0xf8/0x160 [ 197.033645][ T5708] dump_stack+0x1c/0x5c [ 197.033656][ T5708] sysfs_create_dir_ns+0x22c/0x24c [ 197.033668][ T5708] kobject_add_internal+0x5a8/0xb30 [ 197.033681][ T5708] kobject_init_and_add+0x118/0x17c [ 197.033693][ T5708] gfs2_sys_fs_add+0x1dc/0x3d8 [ 197.033707][ T5708] gfs2_fill_super+0xdec/0x19ec [ 197.033717][ T5708] get_tree_bdev+0x358/0x544 [ 197.033728][ T5708] gfs2_get_tree+0x54/0x1b4 [ 197.033737][ T5708] vfs_get_tree+0x90/0x274 [ 197.033748][ T5708] do_new_mount+0x228/0x810 [ 197.033758][ T5708] path_mount+0x5b4/0xe78 [ 197.033767][ T5708] __arm64_sys_mount+0x49c/0x584 [ 197.033777][ T5708] invoke_syscall+0x98/0x2bc [ 197.033789][ T5708] el0_svc_common+0x138/0x258 [ 197.033802][ T5708] do_el0_svc+0x58/0x13c [ 197.033813][ T5708] el0_svc+0x58/0x138 [ 197.033825][ T5708] el0t_64_sync_handler+0x84/0xf0 [ 197.033837][ T5708] el0t_64_sync+0x18c/0x190 [ 197.035943][ T5708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 197.058356][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.075270][ T5708] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 197.107392][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.110126][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.112885][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.133024][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.139254][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.141872][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.144902][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.148136][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.151262][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.153885][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.157610][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.160331][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.175352][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.178107][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.185925][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.188671][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.195538][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.198240][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.205445][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.208090][ T5597] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 197.210877][ T5597] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 197.235029][ T5597] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 197.277571][ T5206] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 197.280478][ T5206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 197.290847][ T5597] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 197.293329][ T5597] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 197.320939][ T5597] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 197.323487][ T5597] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 197.568604][ T5206] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 197.571036][ T5206] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 197.598666][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 197.656494][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 197.658761][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 197.662733][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 198.007885][ T5715] loop0: detected capacity change from 0 to 32768 [ 198.021828][ T5715] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 198.024008][ T5715] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 198.063064][ T5715] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 198.076970][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 198.078724][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 198.155397][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 76ms [ 198.179800][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 198.181296][ T5715] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 198.264662][ T5716] loop8: detected capacity change from 0 to 32768 [ 198.296841][ T5716] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 198.299063][ T5716] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 198.323634][ T5718] loop1: detected capacity change from 0 to 32768 [ 198.342827][ T5716] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 198.350872][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 198.352639][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 198.387771][ T5718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 198.410776][ T5718] CPU: 1 PID: 5718 Comm: syz.1.385 Not tainted 6.1.143-syzkaller #0 [ 198.412945][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 198.415701][ T5718] Call trace: [ 198.416603][ T5718] dump_backtrace+0x1c8/0x1f4 [ 198.417917][ T5718] show_stack+0x2c/0x3c [ 198.419040][ T5718] __dump_stack+0x30/0x40 [ 198.420235][ T5718] dump_stack_lvl+0xf8/0x160 [ 198.421500][ T5718] dump_stack+0x1c/0x5c [ 198.422639][ T5718] sysfs_create_dir_ns+0x22c/0x24c [ 198.424194][ T5718] kobject_add_internal+0x5a8/0xb30 [ 198.425673][ T5718] kobject_init_and_add+0x118/0x17c [ 198.427136][ T5718] gfs2_sys_fs_add+0x1dc/0x3d8 [ 198.428433][ T5718] gfs2_fill_super+0xdec/0x19ec [ 198.429818][ T5718] get_tree_bdev+0x358/0x544 [ 198.431115][ T5718] gfs2_get_tree+0x54/0x1b4 [ 198.432334][ T5718] vfs_get_tree+0x90/0x274 [ 198.433567][ T5718] do_new_mount+0x228/0x810 [ 198.434846][ T5718] path_mount+0x5b4/0xe78 [ 198.436086][ T5718] __arm64_sys_mount+0x49c/0x584 [ 198.437435][ T5718] invoke_syscall+0x98/0x2bc [ 198.438756][ T5718] el0_svc_common+0x138/0x258 [ 198.440073][ T5718] do_el0_svc+0x58/0x13c [ 198.441304][ T5718] el0_svc+0x58/0x138 [ 198.442410][ T5718] el0t_64_sync_handler+0x84/0xf0 [ 198.443833][ T5718] el0t_64_sync+0x18c/0x190 [ 198.472253][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 119ms [ 198.474524][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 198.485336][ T5716] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 198.527528][ T5718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 198.531347][ T5718] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 198.644593][ T5720] loop7: detected capacity change from 0 to 32768 [ 198.779385][ T5720] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 198.781722][ T5720] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 198.788453][ T5720] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 198.791793][ T14] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 198.793693][ T14] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 198.843238][ T5722] loop4: detected capacity change from 0 to 32768 [ 198.865413][ T5722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 198.867561][ T5722] CPU: 0 PID: 5722 Comm: syz.4.364 Not tainted 6.1.143-syzkaller #0 [ 198.869889][ T5722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 198.872563][ T5722] Call trace: [ 198.873416][ T5722] dump_backtrace+0x1c8/0x1f4 [ 198.874713][ T5722] show_stack+0x2c/0x3c [ 198.875848][ T5722] __dump_stack+0x30/0x40 [ 198.877059][ T5722] dump_stack_lvl+0xf8/0x160 [ 198.878369][ T5722] dump_stack+0x1c/0x5c [ 198.879526][ T5722] sysfs_create_dir_ns+0x22c/0x24c [ 198.880962][ T5722] kobject_add_internal+0x5a8/0xb30 [ 198.882454][ T5722] kobject_init_and_add+0x118/0x17c [ 198.883985][ T5722] gfs2_sys_fs_add+0x1dc/0x3d8 [ 198.885338][ T5722] gfs2_fill_super+0xdec/0x19ec [ 198.886670][ T5722] get_tree_bdev+0x358/0x544 [ 198.887990][ T5722] gfs2_get_tree+0x54/0x1b4 [ 198.889295][ T5722] vfs_get_tree+0x90/0x274 [ 198.890537][ T5722] do_new_mount+0x228/0x810 [ 198.891763][ T5722] path_mount+0x5b4/0xe78 [ 198.892953][ T5722] __arm64_sys_mount+0x49c/0x584 [ 198.894342][ T5722] invoke_syscall+0x98/0x2bc [ 198.895662][ T5722] el0_svc_common+0x138/0x258 [ 198.897055][ T5722] do_el0_svc+0x58/0x13c [ 198.898270][ T5722] el0_svc+0x58/0x138 [ 198.899398][ T5722] el0t_64_sync_handler+0x84/0xf0 [ 198.900918][ T5722] el0t_64_sync+0x18c/0x190 [ 198.935986][ T14] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 142ms [ 198.945557][ T14] gfs2: fsid=syz:syz.0: jid=0: Done [ 198.947197][ T5720] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 199.026694][ T5722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 199.030020][ T5722] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 199.098902][ T5724] loop0: detected capacity change from 0 to 32768 [ 199.104258][ T5724] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 199.160559][ T5724] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 199.197776][ T5724] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 199.200968][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 199.202841][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 199.278711][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 75ms [ 199.281810][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 199.283279][ T5724] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 199.657073][ T5728] loop1: detected capacity change from 0 to 32768 [ 199.660767][ T5728] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 199.663118][ T5728] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 199.678065][ T5728] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 199.689380][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 199.691282][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 199.704378][ T5729] loop8: detected capacity change from 0 to 32768 [ 199.746440][ T5729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 199.748481][ T5729] CPU: 0 PID: 5729 Comm: syz.8.387 Not tainted 6.1.143-syzkaller #0 [ 199.750606][ T5729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 199.753127][ T5729] Call trace: [ 199.753967][ T5729] dump_backtrace+0x1c8/0x1f4 [ 199.755141][ T5729] show_stack+0x2c/0x3c [ 199.756296][ T5729] __dump_stack+0x30/0x40 [ 199.757423][ T5729] dump_stack_lvl+0xf8/0x160 [ 199.758690][ T5729] dump_stack+0x1c/0x5c [ 199.759776][ T5729] sysfs_create_dir_ns+0x22c/0x24c [ 199.761125][ T5729] kobject_add_internal+0x5a8/0xb30 [ 199.762679][ T5729] kobject_init_and_add+0x118/0x17c [ 199.764144][ T5729] gfs2_sys_fs_add+0x1dc/0x3d8 [ 199.765455][ T5729] gfs2_fill_super+0xdec/0x19ec [ 199.766876][ T5729] get_tree_bdev+0x358/0x544 [ 199.768152][ T5729] gfs2_get_tree+0x54/0x1b4 [ 199.769433][ T5729] vfs_get_tree+0x90/0x274 [ 199.770835][ T5729] do_new_mount+0x228/0x810 [ 199.772082][ T5729] path_mount+0x5b4/0xe78 [ 199.773302][ T5729] __arm64_sys_mount+0x49c/0x584 [ 199.774727][ T5729] invoke_syscall+0x98/0x2bc [ 199.776013][ T5729] el0_svc_common+0x138/0x258 [ 199.777234][ T5729] do_el0_svc+0x58/0x13c [ 199.778478][ T5729] el0_svc+0x58/0x138 [ 199.779584][ T5729] el0t_64_sync_handler+0x84/0xf0 [ 199.780961][ T5729] el0t_64_sync+0x18c/0x190 [ 199.788427][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 97ms [ 199.790741][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 199.792452][ T5728] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 199.965977][ T5729] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 199.969778][ T5729] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 200.311625][ T5732] loop7: detected capacity change from 0 to 32768 [ 200.329715][ T5732] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 200.332022][ T5732] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 200.348464][ T5732] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 200.376006][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 200.377936][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 200.445978][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 68ms [ 200.448407][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 200.449990][ T5732] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 200.879129][ T5740] loop1: detected capacity change from 0 to 32768 [ 200.896338][ T5740] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 200.898771][ T5740] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 200.912518][ T5740] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 200.922499][ T14] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 200.926120][ T14] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 200.975643][ T14] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 49ms [ 200.977896][ T14] gfs2: fsid=syz:syz.0: jid=0: Done [ 200.979365][ T5740] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 201.149692][ T5745] loop8: detected capacity change from 0 to 32768 [ 201.153243][ T5745] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 201.159612][ T5745] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 201.178197][ T5745] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 201.196340][ T14] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 201.198260][ T14] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 201.291376][ T14] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 93ms [ 201.302184][ T14] gfs2: fsid=syz:syz.0: jid=0: Done [ 201.303865][ T5745] gfs2: fsid=syz:syz.0: first mount done, others may mount 1970/01/01 00:03:21 executed programs: 390 [ 201.402972][ T5747] loop7: detected capacity change from 0 to 32768 [ 201.413447][ T5747] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 201.417454][ T5747] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 201.428767][ T5747] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 201.431927][ T14] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 201.433761][ T14] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 201.488854][ T14] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 55ms [ 201.501387][ T14] gfs2: fsid=syz:syz.0: jid=0: Done [ 201.502886][ T5747] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 201.798660][ T5749] loop1: detected capacity change from 0 to 32768 [ 201.826192][ T5749] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 201.828428][ T5749] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 201.842292][ T5749] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 201.855439][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 201.857347][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 201.918199][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 60ms [ 201.924902][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 201.930797][ T5749] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 202.069303][ T5753] loop7: detected capacity change from 0 to 32768 [ 202.072692][ T5753] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 202.075101][ T5753] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 202.080986][ T5753] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 202.092316][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 202.094167][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 202.137669][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 43ms [ 202.139949][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 202.141475][ T5753] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 202.276490][ T5751] loop8: detected capacity change from 0 to 32768 [ 202.290307][ T5751] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 202.292572][ T5751] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 202.328443][ T5751] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 202.331600][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 202.333460][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 202.420832][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 87ms [ 202.423131][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 202.424635][ T5751] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 202.850856][ T5755] loop1: detected capacity change from 0 to 32768 [ 202.865990][ T5755] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 202.868288][ T5755] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 202.887098][ T5755] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 202.890267][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 202.892041][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 202.977104][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 85ms [ 202.980127][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 202.981572][ T5755] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 202.993731][ T5757] loop7: detected capacity change from 0 to 32768 [ 203.001453][ T5757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.003530][ T5757] CPU: 0 PID: 5757 Comm: syz.7.399 Not tainted 6.1.143-syzkaller #0 [ 203.005578][ T5757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 203.008226][ T5757] Call trace: [ 203.009063][ T5757] dump_backtrace+0x1c8/0x1f4 [ 203.010275][ T5757] show_stack+0x2c/0x3c [ 203.011339][ T5757] __dump_stack+0x30/0x40 [ 203.012504][ T5757] dump_stack_lvl+0xf8/0x160 [ 203.013779][ T5757] dump_stack+0x1c/0x5c [ 203.014895][ T5757] sysfs_create_dir_ns+0x22c/0x24c [ 203.016223][ T5757] kobject_add_internal+0x5a8/0xb30 [ 203.017617][ T5757] kobject_init_and_add+0x118/0x17c [ 203.019033][ T5757] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.020356][ T5757] gfs2_fill_super+0xdec/0x19ec [ 203.021794][ T5757] get_tree_bdev+0x358/0x544 [ 203.023060][ T5757] gfs2_get_tree+0x54/0x1b4 [ 203.024316][ T5757] vfs_get_tree+0x90/0x274 [ 203.025521][ T5757] do_new_mount+0x228/0x810 [ 203.026770][ T5757] path_mount+0x5b4/0xe78 [ 203.027957][ T5757] __arm64_sys_mount+0x49c/0x584 [ 203.029315][ T5757] invoke_syscall+0x98/0x2bc [ 203.030561][ T5757] el0_svc_common+0x138/0x258 [ 203.031832][ T5757] do_el0_svc+0x58/0x13c [ 203.032958][ T5757] el0_svc+0x58/0x138 [ 203.034062][ T5757] el0t_64_sync_handler+0x84/0xf0 [ 203.035456][ T5757] el0t_64_sync+0x18c/0x190 [ 203.095081][ T5757] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.099425][ T5757] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.233990][ T5759] loop8: detected capacity change from 0 to 32768 [ 203.244033][ T5759] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 203.247686][ T5759] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 203.260893][ T5759] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 203.274522][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 203.276499][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 203.336179][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 59ms [ 203.338440][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 203.339879][ T5759] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 203.823611][ T5764] loop7: detected capacity change from 0 to 32768 [ 203.846615][ T5764] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 203.848856][ T5764] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 203.874687][ T5763] loop1: detected capacity change from 0 to 32768 [ 203.877909][ T5764] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 203.881222][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 203.883106][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 203.912222][ T5763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.914344][ T5763] CPU: 0 PID: 5763 Comm: syz.1.401 Not tainted 6.1.143-syzkaller #0 [ 203.916584][ T5763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 203.919410][ T5763] Call trace: [ 203.920297][ T5763] dump_backtrace+0x1c8/0x1f4 [ 203.921609][ T5763] show_stack+0x2c/0x3c [ 203.922749][ T5763] __dump_stack+0x30/0x40 [ 203.923921][ T5763] dump_stack_lvl+0xf8/0x160 [ 203.925215][ T5763] dump_stack+0x1c/0x5c [ 203.926395][ T5763] sysfs_create_dir_ns+0x22c/0x24c [ 203.927826][ T5763] kobject_add_internal+0x5a8/0xb30 [ 203.929284][ T5763] kobject_init_and_add+0x118/0x17c [ 203.930650][ T5763] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.932064][ T5763] gfs2_fill_super+0xdec/0x19ec [ 203.933505][ T5763] get_tree_bdev+0x358/0x544 [ 203.934794][ T5763] gfs2_get_tree+0x54/0x1b4 [ 203.936024][ T5763] vfs_get_tree+0x90/0x274 [ 203.937162][ T5763] do_new_mount+0x228/0x810 [ 203.937590][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms [ 203.938471][ T5763] path_mount+0x5b4/0xe78 [ 203.940714][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 203.941701][ T5763] __arm64_sys_mount+0x49c/0x584 [ 203.943154][ T5764] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 203.944523][ T5763] invoke_syscall+0x98/0x2bc [ 203.947805][ T5763] el0_svc_common+0x138/0x258 [ 203.949024][ T5763] do_el0_svc+0x58/0x13c [ 203.950220][ T5763] el0_svc+0x58/0x138 [ 203.951295][ T5763] el0t_64_sync_handler+0x84/0xf0 [ 203.952666][ T5763] el0t_64_sync+0x18c/0x190 [ 204.021876][ T5763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.025499][ T5763] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.134132][ T5766] loop8: detected capacity change from 0 to 32768 [ 204.153127][ T5766] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 204.177069][ T5766] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 204.197440][ T5766] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 204.210488][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 204.212305][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 204.277112][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 64ms [ 204.279449][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 204.280888][ T5766] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 204.684364][ T5770] loop1: detected capacity change from 0 to 32768 [ 204.697175][ T5770] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 204.699343][ T5770] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 204.719374][ T5770] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 6ms [ 204.746683][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 204.748601][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 204.814399][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 65ms [ 204.824211][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 204.826682][ T5770] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 204.881878][ T5768] loop7: detected capacity change from 0 to 32768 [ 204.885811][ T5768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.887723][ T5768] CPU: 1 PID: 5768 Comm: syz.7.404 Not tainted 6.1.143-syzkaller #0 [ 204.889794][ T5768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 204.892466][ T5768] Call trace: [ 204.893328][ T5768] dump_backtrace+0x1c8/0x1f4 [ 204.894539][ T5768] show_stack+0x2c/0x3c [ 204.895651][ T5768] __dump_stack+0x30/0x40 [ 204.896802][ T5768] dump_stack_lvl+0xf8/0x160 [ 204.898037][ T5768] dump_stack+0x1c/0x5c [ 204.899151][ T5768] sysfs_create_dir_ns+0x22c/0x24c [ 204.900615][ T5768] kobject_add_internal+0x5a8/0xb30 [ 204.902060][ T5768] kobject_init_and_add+0x118/0x17c [ 204.903481][ T5768] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.904907][ T5768] gfs2_fill_super+0xdec/0x19ec [ 204.906248][ T5768] get_tree_bdev+0x358/0x544 [ 204.907457][ T5768] gfs2_get_tree+0x54/0x1b4 [ 204.908658][ T5768] vfs_get_tree+0x90/0x274 [ 204.909823][ T5768] do_new_mount+0x228/0x810 [ 204.911057][ T5768] path_mount+0x5b4/0xe78 [ 204.912237][ T5768] __arm64_sys_mount+0x49c/0x584 [ 204.913504][ T5768] invoke_syscall+0x98/0x2bc [ 204.914747][ T5768] el0_svc_common+0x138/0x258 [ 204.916007][ T5768] do_el0_svc+0x58/0x13c [ 204.917136][ T5768] el0_svc+0x58/0x138 [ 204.918197][ T5768] el0t_64_sync_handler+0x84/0xf0 [ 204.919551][ T5768] el0t_64_sync+0x18c/0x190 [ 204.926847][ T5768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.930295][ T5768] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.174690][ T5772] loop8: detected capacity change from 0 to 32768 [ 205.284980][ T5772] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 205.298308][ T5772] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 205.325919][ T5772] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 205.333666][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 205.335856][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 205.385986][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms [ 205.393682][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 205.396571][ T5772] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 205.699732][ T5775] loop1: detected capacity change from 0 to 32768 [ 205.716045][ T5775] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 205.718296][ T5775] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 205.729658][ T5775] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 205.732837][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 205.734622][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 205.801200][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 66ms [ 205.803488][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 205.805647][ T5775] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 205.904923][ T5777] loop7: detected capacity change from 0 to 32768 [ 205.953001][ T5777] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 205.967586][ T5777] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 205.978493][ T5777] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 205.995303][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 205.997174][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 206.035014][ T5779] loop8: detected capacity change from 0 to 32768 [ 206.065611][ T5779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.067748][ T5779] CPU: 1 PID: 5779 Comm: syz.8.409 Not tainted 6.1.143-syzkaller #0 [ 206.069787][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 72ms [ 206.069887][ T5779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 206.072666][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 206.074664][ T5779] Call trace: [ 206.077171][ T5779] dump_backtrace+0x1c8/0x1f4 [ 206.078489][ T5779] show_stack+0x2c/0x3c [ 206.079668][ T5779] __dump_stack+0x30/0x40 [ 206.080927][ T5779] dump_stack_lvl+0xf8/0x160 [ 206.082197][ T5779] dump_stack+0x1c/0x5c [ 206.083383][ T5779] sysfs_create_dir_ns+0x22c/0x24c [ 206.084907][ T5779] kobject_add_internal+0x5a8/0xb30 [ 206.086340][ T5779] kobject_init_and_add+0x118/0x17c [ 206.087820][ T5779] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.089091][ T5779] gfs2_fill_super+0xdec/0x19ec [ 206.090441][ T5779] get_tree_bdev+0x358/0x544 [ 206.091710][ T5779] gfs2_get_tree+0x54/0x1b4 [ 206.092971][ T5779] vfs_get_tree+0x90/0x274 [ 206.094174][ T5779] do_new_mount+0x228/0x810 [ 206.095425][ T5779] path_mount+0x5b4/0xe78 [ 206.096603][ T5779] __arm64_sys_mount+0x49c/0x584 [ 206.098000][ T5779] invoke_syscall+0x98/0x2bc [ 206.099294][ T5779] el0_svc_common+0x138/0x258 [ 206.100629][ T5779] do_el0_svc+0x58/0x13c [ 206.101788][ T5779] el0_svc+0x58/0x138 [ 206.102842][ T5779] el0t_64_sync_handler+0x84/0xf0 [ 206.104267][ T5779] el0t_64_sync+0x18c/0x190 [ 206.105691][ T5777] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 206.145309][ T5779] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.150559][ T5779] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:26 executed programs: 406 [ 206.593658][ T5781] loop1: detected capacity change from 0 to 32768 [ 206.613950][ T5781] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 206.625226][ T5781] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 206.631027][ T5781] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 206.645677][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 206.647625][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 206.697471][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 49ms [ 206.699803][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 206.701156][ T5781] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 206.902309][ T5785] loop8: detected capacity change from 0 to 32768 [ 206.908489][ T5785] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 206.910747][ T5785] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 206.918660][ T5785] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 206.921699][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 206.923552][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 206.979002][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 55ms [ 206.984571][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 206.986660][ T5785] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 207.457312][ T5792] loop8: detected capacity change from 0 to 32768 [ 207.465877][ T5792] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 207.473048][ T5792] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 207.504025][ T5792] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 207.507601][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 207.509426][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 207.573362][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 63ms [ 207.575999][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 207.577386][ T5792] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 207.671506][ T5790] loop1: detected capacity change from 0 to 32768 [ 207.675027][ T5790] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 207.695817][ T5790] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 207.727912][ T5790] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 207.735986][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 207.737791][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 207.779544][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 41ms [ 207.795388][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 207.796905][ T5790] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 208.066600][ T5795] loop8: detected capacity change from 0 to 32768 [ 208.078097][ T5795] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 208.080326][ T5795] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 208.099740][ T5795] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 208.116142][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 208.118044][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 208.198818][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 80ms [ 208.201217][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 208.202639][ T5795] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 208.480070][ T5797] loop1: detected capacity change from 0 to 32768 [ 208.483677][ T5797] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 208.495703][ T5797] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 208.510110][ T5797] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 208.513249][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 208.515063][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 208.563312][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 48ms [ 208.570184][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 208.571646][ T5797] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 208.724271][ T5799] loop8: detected capacity change from 0 to 32768 [ 208.734465][ T5799] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 208.742818][ T5799] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 208.755442][ T5799] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 208.758541][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 208.760405][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 208.813779][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms [ 208.824079][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 208.827209][ T5799] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 209.122150][ T5801] loop1: detected capacity change from 0 to 32768 [ 209.141938][ T5801] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 209.144234][ T5801] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 209.153741][ T5801] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 209.160145][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 209.162029][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 209.204756][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 42ms [ 209.209724][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 209.211226][ T5801] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 209.373483][ T5803] loop8: detected capacity change from 0 to 32768 [ 209.377893][ T5803] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 209.380153][ T5803] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 209.384919][ T5803] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 209.389364][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 209.391240][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 209.433519][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 42ms [ 209.445782][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 209.447311][ T5803] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 209.879740][ T5806] loop1: detected capacity change from 0 to 32768 [ 209.893305][ T5806] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 209.899379][ T5806] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 209.908228][ T5806] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 209.914771][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 209.917014][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 209.925424][ T4361] Bluetooth: hci5: command 0x0406 tx timeout [ 209.927097][ T4361] Bluetooth: hci6: command 0x0406 tx timeout [ 209.961091][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms [ 209.966408][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 209.967890][ T5806] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 210.070242][ T5808] loop8: detected capacity change from 0 to 32768 [ 210.076947][ T5808] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 210.079204][ T5808] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 210.091916][ T5808] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 210.107680][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 210.109518][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 210.166523][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 210.170183][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 210.171607][ T5808] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 210.526421][ T5811] loop1: detected capacity change from 0 to 32768 [ 210.533258][ T5811] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 210.535714][ T5811] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 210.549121][ T5811] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 210.555985][ T4409] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 210.558011][ T4409] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 210.618287][ T4409] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 60ms [ 210.625535][ T4409] gfs2: fsid=syz:syz.0: jid=0: Done [ 210.627016][ T5811] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 210.784807][ T5813] loop8: detected capacity change from 0 to 32768 [ 210.816986][ T5813] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 210.819389][ T5813] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 210.837646][ T5813] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 210.841245][ T4409] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 210.843238][ T4409] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 210.894121][ T4409] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms [ 210.905582][ T4409] gfs2: fsid=syz:syz.0: jid=0: Done [ 210.907125][ T5813] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 211.290260][ T5815] loop1: detected capacity change from 0 to 32768 [ 211.317140][ T5815] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 211.319492][ T5815] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 211.326658][ T5815] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 211.337402][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 211.339315][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 211.393941][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms [ 211.396358][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 211.397933][ T5815] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 211.479972][ T5817] loop8: detected capacity change from 0 to 32768 1970/01/01 00:03:31 executed programs: 420 [ 211.511135][ T5817] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 211.513579][ T5817] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 211.525658][ T5817] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 211.544108][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 211.546686][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 211.617167][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 70ms [ 211.619465][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 211.622330][ T5817] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 212.041169][ T5819] loop1: detected capacity change from 0 to 32768 [ 212.064430][ T5819] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 212.068320][ T5819] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 212.084732][ T5821] loop8: detected capacity change from 0 to 32768 [ 212.095629][ T5819] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 212.100018][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 212.101846][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 212.115366][ T5821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.117476][ T5821] CPU: 1 PID: 5821 Comm: syz.8.427 Not tainted 6.1.143-syzkaller #0 [ 212.119650][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.122543][ T5821] Call trace: [ 212.123467][ T5821] dump_backtrace+0x1c8/0x1f4 [ 212.124790][ T5821] show_stack+0x2c/0x3c [ 212.125957][ T5821] __dump_stack+0x30/0x40 [ 212.127208][ T5821] dump_stack_lvl+0xf8/0x160 [ 212.128527][ T5821] dump_stack+0x1c/0x5c [ 212.129621][ T5821] sysfs_create_dir_ns+0x22c/0x24c [ 212.131073][ T5821] kobject_add_internal+0x5a8/0xb30 [ 212.132546][ T5821] kobject_init_and_add+0x118/0x17c [ 212.133933][ T5821] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.135267][ T5821] gfs2_fill_super+0xdec/0x19ec [ 212.136673][ T5821] get_tree_bdev+0x358/0x544 [ 212.137900][ T5821] gfs2_get_tree+0x54/0x1b4 [ 212.139180][ T5821] vfs_get_tree+0x90/0x274 [ 212.140381][ T5821] do_new_mount+0x228/0x810 [ 212.141646][ T5821] path_mount+0x5b4/0xe78 [ 212.142884][ T5821] __arm64_sys_mount+0x49c/0x584 [ 212.144266][ T5821] invoke_syscall+0x98/0x2bc [ 212.145565][ T5821] el0_svc_common+0x138/0x258 [ 212.146866][ T5821] do_el0_svc+0x58/0x13c [ 212.148070][ T5821] el0_svc+0x58/0x138 [ 212.149199][ T5821] el0t_64_sync_handler+0x84/0xf0 [ 212.150650][ T5821] el0t_64_sync+0x18c/0x190 [ 212.167122][ T5821] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.170973][ T5821] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.173865][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 72ms [ 212.176577][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 212.178029][ T5819] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 212.621465][ T5824] loop1: detected capacity change from 0 to 32768 [ 212.640532][ T5824] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 212.642865][ T5824] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 212.668232][ T5824] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 212.676254][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 212.678217][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 212.739582][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 61ms [ 212.742640][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 212.744034][ T5824] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 212.788723][ T5825] loop8: detected capacity change from 0 to 32768 [ 212.791608][ T5825] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.793614][ T5825] CPU: 1 PID: 5825 Comm: syz.8.429 Not tainted 6.1.143-syzkaller #0 [ 212.795753][ T5825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 212.798553][ T5825] Call trace: [ 212.799428][ T5825] dump_backtrace+0x1c8/0x1f4 [ 212.800732][ T5825] show_stack+0x2c/0x3c [ 212.801865][ T5825] __dump_stack+0x30/0x40 [ 212.803045][ T5825] dump_stack_lvl+0xf8/0x160 [ 212.804283][ T5825] dump_stack+0x1c/0x5c [ 212.805452][ T5825] sysfs_create_dir_ns+0x22c/0x24c [ 212.806984][ T5825] kobject_add_internal+0x5a8/0xb30 [ 212.808397][ T5825] kobject_init_and_add+0x118/0x17c [ 212.809859][ T5825] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.811205][ T5825] gfs2_fill_super+0xdec/0x19ec [ 212.812625][ T5825] get_tree_bdev+0x358/0x544 [ 212.813859][ T5825] gfs2_get_tree+0x54/0x1b4 [ 212.815112][ T5825] vfs_get_tree+0x90/0x274 [ 212.816335][ T5825] do_new_mount+0x228/0x810 [ 212.817538][ T5825] path_mount+0x5b4/0xe78 [ 212.818711][ T5825] __arm64_sys_mount+0x49c/0x584 [ 212.820040][ T5825] invoke_syscall+0x98/0x2bc [ 212.821290][ T5825] el0_svc_common+0x138/0x258 [ 212.822645][ T5825] do_el0_svc+0x58/0x13c [ 212.823900][ T5825] el0_svc+0x58/0x138 [ 212.824983][ T5825] el0t_64_sync_handler+0x84/0xf0 [ 212.826373][ T5825] el0t_64_sync+0x18c/0x190 [ 212.915229][ T5825] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.918863][ T5825] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.295503][ T5827] loop1: detected capacity change from 0 to 32768 [ 213.308232][ T5827] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 213.310557][ T5827] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 213.328321][ T5827] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 213.331357][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 213.333249][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 213.371071][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 37ms [ 213.373984][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 213.376725][ T5827] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 213.479551][ T5829] loop8: detected capacity change from 0 to 32768 [ 213.487590][ T5829] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 213.489828][ T5829] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 213.512706][ T5829] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 213.524764][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 213.527016][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 213.581013][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms [ 213.583705][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 213.585721][ T5829] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 213.853081][ T5831] loop1: detected capacity change from 0 to 32768 [ 213.859474][ T5831] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 213.863359][ T5831] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 213.870843][ T5831] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 213.876907][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 213.878815][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 213.918866][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 40ms [ 213.921201][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 213.922668][ T5831] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 214.344399][ T5835] loop1: detected capacity change from 0 to 32768 [ 214.352419][ T5833] loop8: detected capacity change from 0 to 32768 [ 214.353653][ T5835] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 214.357966][ T5833] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.359974][ T5833] CPU: 0 PID: 5833 Comm: syz.8.433 Not tainted 6.1.143-syzkaller #0 [ 214.362168][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 214.364769][ T5833] Call trace: [ 214.364901][ T5835] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 214.365633][ T5833] dump_backtrace+0x1c8/0x1f4 [ 214.365657][ T5833] show_stack+0x2c/0x3c [ 214.365666][ T5833] __dump_stack+0x30/0x40 [ 214.365680][ T5833] dump_stack_lvl+0xf8/0x160 [ 214.372350][ T5833] dump_stack+0x1c/0x5c [ 214.373538][ T5833] sysfs_create_dir_ns+0x22c/0x24c [ 214.375019][ T5833] kobject_add_internal+0x5a8/0xb30 [ 214.375467][ T5835] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 214.376454][ T5833] kobject_init_and_add+0x118/0x17c [ 214.380163][ T5833] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.381581][ T5833] gfs2_fill_super+0xdec/0x19ec [ 214.382931][ T5833] get_tree_bdev+0x358/0x544 [ 214.384233][ T5833] gfs2_get_tree+0x54/0x1b4 [ 214.385538][ T5833] vfs_get_tree+0x90/0x274 [ 214.386761][ T5833] do_new_mount+0x228/0x810 [ 214.387985][ T5833] path_mount+0x5b4/0xe78 [ 214.389138][ T5833] __arm64_sys_mount+0x49c/0x584 [ 214.390445][ T5833] invoke_syscall+0x98/0x2bc [ 214.390981][ T4409] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 214.391662][ T5833] el0_svc_common+0x138/0x258 [ 214.391681][ T5833] do_el0_svc+0x58/0x13c [ 214.391693][ T5833] el0_svc+0x58/0x138 [ 214.393518][ T4409] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 214.394780][ T5833] el0t_64_sync_handler+0x84/0xf0 [ 214.400245][ T5833] el0t_64_sync+0x18c/0x190 [ 214.427034][ T4409] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 33ms [ 214.446981][ T4409] gfs2: fsid=syz:syz.0: jid=0: Done [ 214.448479][ T5835] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 214.475296][ T5833] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.494027][ T5833] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.532632][ T4361] Bluetooth: hci21: unexpected cc 0x0c03 length: 249 > 1 [ 214.536188][ T4361] Bluetooth: hci21: unexpected cc 0x1003 length: 249 > 9 [ 214.538975][ T4361] Bluetooth: hci21: unexpected cc 0x1001 length: 249 > 9 [ 214.542594][ T4361] Bluetooth: hci21: unexpected cc 0x0c23 length: 249 > 4 [ 214.607501][ T4361] Bluetooth: hci21: unexpected cc 0x0c25 length: 249 > 3 [ 214.616787][ T4361] Bluetooth: hci21: unexpected cc 0x0c38 length: 249 > 2 [ 214.682288][ T4361] Bluetooth: hci22: unexpected cc 0x0c03 length: 249 > 1 [ 214.692171][ T4361] Bluetooth: hci22: unexpected cc 0x1003 length: 249 > 9 [ 214.695568][ T4361] Bluetooth: hci22: unexpected cc 0x1001 length: 249 > 9 [ 214.706417][ T4361] Bluetooth: hci22: unexpected cc 0x0c23 length: 249 > 4 [ 214.708917][ T4361] Bluetooth: hci22: unexpected cc 0x0c25 length: 249 > 3 [ 214.732637][ T4361] Bluetooth: hci22: unexpected cc 0x0c38 length: 249 > 2 [ 215.026414][ T5838] chnl_net:caif_netlink_parms(): no params data found [ 215.108519][ T5843] loop8: detected capacity change from 0 to 32768 [ 215.143846][ T5843] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 215.155063][ T5843] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 215.166019][ T5843] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 215.177922][ T5842] loop1: detected capacity change from 0 to 32768 [ 215.181595][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 215.183521][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 215.211355][ T5842] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.220816][ T5842] CPU: 0 PID: 5842 Comm: syz.1.436 Not tainted 6.1.143-syzkaller #0 [ 215.222999][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 215.225864][ T5842] Call trace: [ 215.226764][ T5842] dump_backtrace+0x1c8/0x1f4 [ 215.228090][ T5842] show_stack+0x2c/0x3c [ 215.229233][ T5842] __dump_stack+0x30/0x40 [ 215.230435][ T5842] dump_stack_lvl+0xf8/0x160 [ 215.231839][ T5842] dump_stack+0x1c/0x5c [ 215.233147][ T5842] sysfs_create_dir_ns+0x22c/0x24c [ 215.234536][ T5842] kobject_add_internal+0x5a8/0xb30 [ 215.236004][ T5842] kobject_init_and_add+0x118/0x17c [ 215.237450][ T5842] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.238851][ T5842] gfs2_fill_super+0xdec/0x19ec [ 215.240182][ T5842] get_tree_bdev+0x358/0x544 [ 215.241426][ T5842] gfs2_get_tree+0x54/0x1b4 [ 215.242663][ T5842] vfs_get_tree+0x90/0x274 [ 215.243959][ T5842] do_new_mount+0x228/0x810 [ 215.245176][ T5842] path_mount+0x5b4/0xe78 [ 215.246418][ T5842] __arm64_sys_mount+0x49c/0x584 [ 215.247775][ T5842] invoke_syscall+0x98/0x2bc [ 215.249009][ T5842] el0_svc_common+0x138/0x258 [ 215.250362][ T5842] do_el0_svc+0x58/0x13c [ 215.251477][ T5842] el0_svc+0x58/0x138 [ 215.252701][ T5842] el0t_64_sync_handler+0x84/0xf0 [ 215.254067][ T5842] el0t_64_sync+0x18c/0x190 [ 215.274806][ T5838] bridge0: port 1(bridge_slave_0) entered blocking state [ 215.276896][ T5838] bridge0: port 1(bridge_slave_0) entered disabled state [ 215.279730][ T5838] device bridge_slave_0 entered promiscuous mode [ 215.298436][ T5838] bridge0: port 2(bridge_slave_1) entered blocking state [ 215.300461][ T5838] bridge0: port 2(bridge_slave_1) entered disabled state [ 215.301518][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 117ms [ 215.303307][ T5838] device bridge_slave_1 entered promiscuous mode [ 215.313894][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 215.320034][ T5843] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 215.361253][ T5842] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.375241][ T5842] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.402305][ T5838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 215.472669][ T5838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 215.627238][ T5838] team0: Port device team_slave_0 added [ 215.651394][ T5838] team0: Port device team_slave_1 added [ 215.785394][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 215.787347][ T5838] 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. [ 215.844957][ T5838] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 215.864706][ T5858] loop8: detected capacity change from 0 to 32768 [ 215.867075][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 215.869034][ T5838] 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. [ 215.896166][ T5858] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 215.898324][ T5858] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 215.902987][ T5858] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 215.908203][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 215.910034][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 215.925840][ T5838] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 215.932750][ T5844] chnl_net:caif_netlink_parms(): no params data found [ 215.974707][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 64ms [ 215.982088][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 215.983663][ T5858] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 216.214240][ T5856] loop1: detected capacity change from 0 to 32768 [ 216.224679][ T5838] device hsr_slave_0 entered promiscuous mode [ 216.237081][ T5856] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 216.239379][ T5856] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 216.258044][ T5856] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 216.265949][ T5838] device hsr_slave_1 entered promiscuous mode [ 216.268850][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 216.270633][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 216.325539][ T5838] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 216.327681][ T5838] Cannot create hsr debugfs directory [ 216.328893][ T5863] loop8: detected capacity change from 0 to 32768 [ 216.336040][ T5863] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.338027][ T5863] CPU: 1 PID: 5863 Comm: syz.8.441 Not tainted 6.1.143-syzkaller #0 [ 216.340251][ T5863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 216.342955][ T5863] Call trace: [ 216.343885][ T5863] dump_backtrace+0x1c8/0x1f4 [ 216.345136][ T5863] show_stack+0x2c/0x3c [ 216.346267][ T5863] __dump_stack+0x30/0x40 [ 216.347463][ T5863] dump_stack_lvl+0xf8/0x160 [ 216.348793][ T5863] dump_stack+0x1c/0x5c [ 216.349988][ T5863] sysfs_create_dir_ns+0x22c/0x24c [ 216.351435][ T5863] kobject_add_internal+0x5a8/0xb30 [ 216.352852][ T5863] kobject_init_and_add+0x118/0x17c [ 216.354326][ T5863] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.355666][ T5863] gfs2_fill_super+0xdec/0x19ec [ 216.356981][ T5863] get_tree_bdev+0x358/0x544 [ 216.358215][ T5863] gfs2_get_tree+0x54/0x1b4 [ 216.359488][ T5863] vfs_get_tree+0x90/0x274 [ 216.360686][ T5863] do_new_mount+0x228/0x810 [ 216.361967][ T5863] path_mount+0x5b4/0xe78 [ 216.363153][ T5863] __arm64_sys_mount+0x49c/0x584 [ 216.364463][ T5863] invoke_syscall+0x98/0x2bc [ 216.365800][ T5863] el0_svc_common+0x138/0x258 [ 216.367061][ T5863] do_el0_svc+0x58/0x13c [ 216.368285][ T5863] el0_svc+0x58/0x138 [ 216.369427][ T5863] el0t_64_sync_handler+0x84/0xf0 [ 216.370820][ T5863] el0t_64_sync+0x18c/0x190 [ 216.401018][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 130ms [ 216.410272][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 216.411748][ T5856] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 216.445333][ T5863] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.449057][ T5863] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:36 executed programs: 434 [ 216.555906][ T5844] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.557989][ T5844] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.560851][ T5844] device bridge_slave_0 entered promiscuous mode [ 216.598744][ T5844] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.600865][ T5844] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.605924][ T5844] device bridge_slave_1 entered promiscuous mode [ 216.645341][ T4422] Bluetooth: hci21: command 0x0409 tx timeout [ 216.719573][ T5844] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 216.724998][ T5844] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 216.806116][ T4422] Bluetooth: hci22: command 0x0409 tx timeout [ 216.931384][ T5838] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.959954][ T5844] team0: Port device team_slave_0 added [ 216.963847][ T5844] team0: Port device team_slave_1 added [ 216.977093][ T5867] loop8: detected capacity change from 0 to 32768 [ 216.980754][ T5867] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 216.983089][ T5867] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 217.029737][ T5867] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 217.032915][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 217.034725][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 217.092990][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 58ms [ 217.098010][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 217.111358][ T5867] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 217.204963][ T5869] loop1: detected capacity change from 0 to 32768 [ 217.238372][ T5869] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 217.240674][ T5869] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 217.268032][ T5838] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.277337][ T5869] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 217.284608][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 217.287397][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 217.370761][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 83ms [ 217.373094][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 217.374591][ T5869] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 217.418305][ T5838] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.427165][ T5844] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 217.429196][ T5844] 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. [ 217.448472][ T5844] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 217.465991][ T5844] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 217.468235][ T5844] 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. [ 217.497828][ T5844] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 217.627223][ T5838] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.737411][ T5844] device hsr_slave_0 entered promiscuous mode [ 217.766717][ T5844] device hsr_slave_1 entered promiscuous mode [ 217.815235][ T5844] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 217.817472][ T5844] Cannot create hsr debugfs directory [ 217.833920][ T5871] loop8: detected capacity change from 0 to 32768 [ 217.864168][ T5871] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 217.866691][ T5871] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 217.878422][ T5871] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 217.897064][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 217.898976][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 217.984230][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 85ms [ 218.006913][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 218.008821][ T5871] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 218.158325][ T5873] loop1: detected capacity change from 0 to 32768 [ 218.172168][ T5873] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 218.174459][ T5873] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 218.191144][ T5873] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 218.194108][ T5838] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 218.210872][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 218.212803][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 218.265949][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms [ 218.281536][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 218.282972][ T5873] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 218.348787][ T5844] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 218.369164][ T5838] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 218.409536][ T5838] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 218.527762][ T5844] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 218.569200][ T5838] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 218.651946][ T5875] loop8: detected capacity change from 0 to 32768 [ 218.658372][ T5875] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 218.660520][ T5875] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 218.692960][ T5875] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 218.696793][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 218.698672][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 218.718158][ T5844] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 218.726151][ T4361] Bluetooth: hci21: command 0x041b tx timeout [ 218.762968][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 64ms [ 218.767865][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 218.769339][ T5875] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 218.885383][ T4422] Bluetooth: hci22: command 0x041b tx timeout [ 218.907328][ T5844] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 218.938894][ T5877] loop1: detected capacity change from 0 to 32768 [ 218.945892][ T5877] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 218.956179][ T5877] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 218.964007][ T5877] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 218.977894][ T4518] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 218.979826][ T4518] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 219.038799][ T4518] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 58ms [ 219.039955][ T5838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 219.041323][ T4518] gfs2: fsid=syz:syz.0: jid=0: Done [ 219.044317][ T5877] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 219.068130][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 219.070893][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 219.139064][ T5838] 8021q: adding VLAN 0 to HW filter on device team0 [ 219.206960][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 219.209965][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 219.212635][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 219.214635][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 219.241003][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 219.260126][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 219.263044][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 219.276293][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 219.278415][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 219.316147][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 219.349186][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 219.384982][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 219.389601][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 219.395717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 219.421551][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 219.424799][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 219.432614][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 219.435899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 219.465365][ T5844] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 219.507721][ T5844] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 219.538479][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 219.541257][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 219.546476][ T5838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 219.559619][ T5844] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 219.595373][ T5844] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 219.599079][ T5887] loop1: detected capacity change from 0 to 32768 [ 219.606048][ T5887] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 219.608309][ T5887] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 219.618431][ T5887] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 219.626423][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 219.628331][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 219.699589][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 71ms [ 219.704269][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 219.717069][ T5887] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 219.729550][ T5885] loop8: detected capacity change from 0 to 32768 [ 219.732481][ T5885] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.734457][ T5885] CPU: 0 PID: 5885 Comm: syz.8.448 Not tainted 6.1.143-syzkaller #0 [ 219.736729][ T5885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 219.739467][ T5885] Call trace: [ 219.740351][ T5885] dump_backtrace+0x1c8/0x1f4 [ 219.741678][ T5885] show_stack+0x2c/0x3c [ 219.742876][ T5885] __dump_stack+0x30/0x40 [ 219.743998][ T5885] dump_stack_lvl+0xf8/0x160 [ 219.745277][ T5885] dump_stack+0x1c/0x5c [ 219.746400][ T5885] sysfs_create_dir_ns+0x22c/0x24c [ 219.747841][ T5885] kobject_add_internal+0x5a8/0xb30 [ 219.749356][ T5885] kobject_init_and_add+0x118/0x17c [ 219.750813][ T5885] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.752100][ T5885] gfs2_fill_super+0xdec/0x19ec [ 219.753529][ T5885] get_tree_bdev+0x358/0x544 [ 219.754794][ T5885] gfs2_get_tree+0x54/0x1b4 [ 219.755985][ T5885] vfs_get_tree+0x90/0x274 [ 219.757180][ T5885] do_new_mount+0x228/0x810 [ 219.758402][ T5885] path_mount+0x5b4/0xe78 [ 219.759641][ T5885] __arm64_sys_mount+0x49c/0x584 [ 219.760983][ T5885] invoke_syscall+0x98/0x2bc [ 219.762271][ T5885] el0_svc_common+0x138/0x258 [ 219.763492][ T5885] do_el0_svc+0x58/0x13c [ 219.764714][ T5885] el0_svc+0x58/0x138 [ 219.765786][ T5885] el0t_64_sync_handler+0x84/0xf0 [ 219.767176][ T5885] el0t_64_sync+0x18c/0x190 [ 219.935586][ T5885] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.939247][ T5885] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.941671][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 219.943996][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 219.961648][ T5844] 8021q: adding VLAN 0 to HW filter on device bond0 [ 220.000109][ T5838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 220.002442][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 220.008367][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 220.014781][ T5844] 8021q: adding VLAN 0 to HW filter on device team0 [ 220.049701][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 220.052696][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 220.055763][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 220.057716][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 220.065946][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 220.081441][ T5206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 220.084287][ T5206] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 220.088045][ T5206] bridge0: port 2(bridge_slave_1) entered blocking state [ 220.090007][ T5206] bridge0: port 2(bridge_slave_1) entered forwarding state [ 220.108387][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 220.158168][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 220.161077][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 220.166030][ T4361] Bluetooth: hci7: command 0x0406 tx timeout [ 220.196162][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 220.199503][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 220.212659][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 220.223159][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 220.238632][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 220.253381][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 220.260812][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 220.266448][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 220.277528][ T5838] device veth0_vlan entered promiscuous mode [ 220.307716][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 220.310868][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 220.339689][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 220.359251][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 220.371097][ T5838] device veth1_vlan entered promiscuous mode [ 220.396490][ T5844] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 220.406549][ T5844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 220.416544][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 220.419445][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 220.476368][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 220.479272][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 220.498808][ T5838] device veth0_macvtap entered promiscuous mode [ 220.517361][ T5838] device veth1_macvtap entered promiscuous mode [ 220.546326][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.549260][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.552049][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.554891][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.571758][ T5898] loop1: detected capacity change from 0 to 32768 [ 220.589565][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.592493][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.599326][ T5898] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 220.601552][ T5898] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 220.605409][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.608257][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.610945][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.613697][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.628494][ T5898] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 220.635338][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.636135][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 220.638128][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.639994][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 220.651956][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.654767][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.666459][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.675323][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.685254][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.689764][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.702711][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.706960][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 66ms [ 220.709261][ T22] gfs2: fsid=syz:syz.0: jid=0: Done [ 220.710767][ T5898] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 220.712823][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.719688][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.722693][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.745313][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.755462][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.758134][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.764938][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.768310][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.771165][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.773183][ T5901] loop8: detected capacity change from 0 to 32768 [ 220.773797][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.784670][ T5901] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.788470][ T5901] CPU: 0 PID: 5901 Comm: syz.8.451 Not tainted 6.1.143-syzkaller #0 [ 220.790667][ T5901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 220.793417][ T5901] Call trace: [ 220.794367][ T5901] dump_backtrace+0x1c8/0x1f4 [ 220.795343][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.795678][ T5901] show_stack+0x2c/0x3c [ 220.798327][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.799555][ T5901] __dump_stack+0x30/0x40 [ 220.802329][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.803507][ T5901] dump_stack_lvl+0xf8/0x160 [ 220.807310][ T5901] dump_stack+0x1c/0x5c [ 220.808432][ T5901] sysfs_create_dir_ns+0x22c/0x24c [ 220.809879][ T5901] kobject_add_internal+0x5a8/0xb30 [ 220.811331][ T5901] kobject_init_and_add+0x118/0x17c [ 220.812784][ T5901] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.814052][ T5901] gfs2_fill_super+0xdec/0x19ec [ 220.815474][ T5901] get_tree_bdev+0x358/0x544 [ 220.816736][ T5901] gfs2_get_tree+0x54/0x1b4 [ 220.817985][ T5901] vfs_get_tree+0x90/0x274 [ 220.819212][ T5901] do_new_mount+0x228/0x810 [ 220.820578][ T5901] path_mount+0x5b4/0xe78 [ 220.821781][ T5901] __arm64_sys_mount+0x49c/0x584 [ 220.823136][ T5901] invoke_syscall+0x98/0x2bc [ 220.824396][ T5901] el0_svc_common+0x138/0x258 [ 220.825749][ T5901] do_el0_svc+0x58/0x13c [ 220.826296][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.826934][ T5901] el0_svc+0x58/0x138 [ 220.829870][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.830989][ T5901] el0t_64_sync_handler+0x84/0xf0 [ 220.833619][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.835015][ T5901] el0t_64_sync+0x18c/0x190 [ 220.846039][ T4422] Bluetooth: hci21: command 0x040f tx timeout [ 220.853270][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.856417][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.860051][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.865748][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.869591][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.873660][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 220.877572][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.890038][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 220.898974][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.901944][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.904682][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.907773][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.910440][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.913200][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.916169][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.919794][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.924261][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.927915][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.931377][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.934075][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.945269][ T5901] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.945292][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.948798][ T5901] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.953522][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.965225][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.968282][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.970954][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.973709][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.976971][ T4361] Bluetooth: hci22: command 0x040f tx timeout [ 220.985323][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.988075][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 220.990668][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 220.993375][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.015777][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.025484][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.028152][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.030907][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.033534][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.044262][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.051943][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.058191][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.064293][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.069671][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.072524][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.075917][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.078521][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.081309][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.084026][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.087377][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.090077][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.092897][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.096011][ T5838] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 221.100938][ T5838] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 221.105573][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 221.123354][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 221.145899][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 221.152349][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 221.163278][ T4361] Bluetooth: hci23: unexpected cc 0x0c03 length: 249 > 1 [ 221.166852][ T4361] Bluetooth: hci23: unexpected cc 0x1003 length: 249 > 9 [ 221.169385][ T4361] Bluetooth: hci23: unexpected cc 0x1001 length: 249 > 9 [ 221.172064][ T4361] Bluetooth: hci23: unexpected cc 0x0c23 length: 249 > 4 [ 221.174474][ T4361] Bluetooth: hci23: unexpected cc 0x0c25 length: 249 > 3 [ 221.177038][ T4363] Bluetooth: hci23: unexpected cc 0x0c38 length: 249 > 2 [ 221.217963][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 221.222670][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 221.255893][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 221.283374][ T5838] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.289852][ T5838] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.292237][ T5838] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.294561][ T5838] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 221.402940][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 221.410229][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 221.417379][ T5844] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 221.581949][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 221.588234][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 221.594809][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 221.734700][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 221.737365][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 221.753412][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:41 executed programs: 446 [ 221.856464][ T5908] chnl_net:caif_netlink_parms(): no params data found [ 221.868261][ T5911] loop8: detected capacity change from 0 to 32768 [ 221.877604][ T5911] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 221.879759][ T5911] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 221.892750][ T5911] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 221.898816][ T4398] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 221.900792][ T4398] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 221.971093][ T5914] loop1: detected capacity change from 0 to 32768 [ 221.984500][ T5914] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.989557][ T4398] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 88ms [ 221.995774][ T5914] CPU: 0 PID: 5914 Comm: syz.1.452 Not tainted 6.1.143-syzkaller #0 [ 221.998071][ T5914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 222.000700][ T5914] Call trace: [ 222.001590][ T5914] dump_backtrace+0x1c8/0x1f4 [ 222.002904][ T5914] show_stack+0x2c/0x3c [ 222.004080][ T5914] __dump_stack+0x30/0x40 [ 222.005302][ T5914] dump_stack_lvl+0xf8/0x160 [ 222.006565][ T5914] dump_stack+0x1c/0x5c [ 222.007734][ T5914] sysfs_create_dir_ns+0x22c/0x24c [ 222.009176][ T5914] kobject_add_internal+0x5a8/0xb30 [ 222.010621][ T5914] kobject_init_and_add+0x118/0x17c [ 222.012073][ T5914] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.013395][ T5914] gfs2_fill_super+0xdec/0x19ec [ 222.014777][ T5914] get_tree_bdev+0x358/0x544 [ 222.016060][ T5914] gfs2_get_tree+0x54/0x1b4 [ 222.017327][ T5914] vfs_get_tree+0x90/0x274 [ 222.018505][ T5914] do_new_mount+0x228/0x810 [ 222.019712][ T5914] path_mount+0x5b4/0xe78 [ 222.020828][ T5914] __arm64_sys_mount+0x49c/0x584 [ 222.022197][ T5914] invoke_syscall+0x98/0x2bc [ 222.023428][ T5914] el0_svc_common+0x138/0x258 [ 222.024705][ T5914] do_el0_svc+0x58/0x13c [ 222.025880][ T5914] el0_svc+0x58/0x138 [ 222.026957][ T5914] el0t_64_sync_handler+0x84/0xf0 [ 222.028297][ T5914] el0t_64_sync+0x18c/0x190 [ 222.060252][ T4398] gfs2: fsid=syz:syz.0: jid=0: Done [ 222.061835][ T5911] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 222.105386][ T5914] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.110506][ T5914] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.207151][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 222.210044][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 222.237495][ T5908] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.239581][ T5908] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.260649][ T5908] device bridge_slave_0 entered promiscuous mode [ 222.295324][ T5908] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.297483][ T5908] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.307808][ T5908] device bridge_slave_1 entered promiscuous mode [ 222.323223][ T5922] loop3: detected capacity change from 0 to 32768 [ 222.355684][ T5922] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 222.358060][ T5922] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 222.364563][ T5922] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 222.383492][ T5844] device veth0_vlan entered promiscuous mode [ 222.386838][ T113] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 222.388757][ T113] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 222.409581][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 222.415976][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 222.418917][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 222.432633][ T4461] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 222.478268][ T5908] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 222.490872][ T113] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 102ms [ 222.503265][ T5908] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 222.506278][ T113] gfs2: fsid=syz:syz.0: jid=0: Done [ 222.507745][ T5922] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 222.574942][ T5844] device veth1_vlan entered promiscuous mode [ 222.701084][ T5908] team0: Port device team_slave_0 added [ 222.777238][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 222.780197][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 222.787833][ T5908] team0: Port device team_slave_1 added [ 222.793359][ T5844] device veth0_macvtap entered promiscuous mode [ 222.887948][ T5908] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 222.889969][ T5908] 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. [ 222.897328][ T4422] Bluetooth: hci21: command 0x0419 tx timeout [ 222.926590][ T5908] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 222.932832][ T5844] device veth1_macvtap entered promiscuous mode [ 222.960792][ T5908] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 222.962752][ T5908] 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. [ 223.000890][ T5908] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 223.045345][ T4363] Bluetooth: hci22: command 0x0419 tx timeout [ 223.071293][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.094051][ T5932] loop1: detected capacity change from 0 to 32768 [ 223.103164][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.106739][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.108256][ T5930] loop8: detected capacity change from 0 to 32768 [ 223.109502][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.113974][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.135712][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.137288][ T5930] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 223.140401][ T5930] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 223.142365][ T5932] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.144324][ T5932] CPU: 0 PID: 5932 Comm: syz.1.456 Not tainted 6.1.143-syzkaller #0 [ 223.146419][ T5932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.149191][ T5932] Call trace: [ 223.149832][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.150071][ T5932] dump_backtrace+0x1c8/0x1f4 [ 223.152735][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.153932][ T5932] show_stack+0x2c/0x3c [ 223.157825][ T5932] __dump_stack+0x30/0x40 [ 223.159088][ T5932] dump_stack_lvl+0xf8/0x160 [ 223.160430][ T5932] dump_stack+0x1c/0x5c [ 223.161538][ T5932] sysfs_create_dir_ns+0x22c/0x24c [ 223.162991][ T5932] kobject_add_internal+0x5a8/0xb30 [ 223.164458][ T5932] kobject_init_and_add+0x118/0x17c [ 223.165896][ T5932] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.167226][ T5932] gfs2_fill_super+0xdec/0x19ec [ 223.168555][ T5932] get_tree_bdev+0x358/0x544 [ 223.169801][ T5932] gfs2_get_tree+0x54/0x1b4 [ 223.169856][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.171032][ T5932] vfs_get_tree+0x90/0x274 [ 223.171048][ T5932] do_new_mount+0x228/0x810 [ 223.173989][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.175063][ T5932] path_mount+0x5b4/0xe78 [ 223.180278][ T5932] __arm64_sys_mount+0x49c/0x584 [ 223.181670][ T5932] invoke_syscall+0x98/0x2bc [ 223.182895][ T5932] el0_svc_common+0x138/0x258 [ 223.184119][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.184144][ T5932] do_el0_svc+0x58/0x13c [ 223.188272][ T5932] el0_svc+0x58/0x138 [ 223.189400][ T5932] el0t_64_sync_handler+0x84/0xf0 [ 223.190217][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.190844][ T5932] el0t_64_sync+0x18c/0x190 [ 223.193448][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.199695][ T5934] loop3: detected capacity change from 0 to 32768 [ 223.202765][ T5932] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.230802][ T5934] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.232813][ T5934] CPU: 0 PID: 5934 Comm: syz.3.457 Not tainted 6.1.143-syzkaller #0 [ 223.234915][ T5934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 223.237651][ T5934] Call trace: [ 223.238583][ T5934] dump_backtrace+0x1c8/0x1f4 [ 223.239886][ T5934] show_stack+0x2c/0x3c [ 223.241045][ T5934] __dump_stack+0x30/0x40 [ 223.242257][ T5934] dump_stack_lvl+0xf8/0x160 [ 223.243390][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.243489][ T5934] dump_stack+0x1c/0x5c [ 223.247287][ T5934] sysfs_create_dir_ns+0x22c/0x24c [ 223.248633][ T5934] kobject_add_internal+0x5a8/0xb30 [ 223.249994][ T5934] kobject_init_and_add+0x118/0x17c [ 223.251418][ T5934] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.252775][ T5934] gfs2_fill_super+0xdec/0x19ec [ 223.254036][ T5934] get_tree_bdev+0x358/0x544 [ 223.255275][ T5934] gfs2_get_tree+0x54/0x1b4 [ 223.256488][ T5934] vfs_get_tree+0x90/0x274 [ 223.257635][ T5934] do_new_mount+0x228/0x810 [ 223.257775][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.258871][ T5934] path_mount+0x5b4/0xe78 [ 223.262968][ T5934] __arm64_sys_mount+0x49c/0x584 [ 223.264339][ T5934] invoke_syscall+0x98/0x2bc [ 223.265591][ T5934] el0_svc_common+0x138/0x258 [ 223.266812][ T5934] do_el0_svc+0x58/0x13c [ 223.267978][ T5934] el0_svc+0x58/0x138 [ 223.269060][ T5934] el0t_64_sync_handler+0x84/0xf0 [ 223.270474][ T5934] el0t_64_sync+0x18c/0x190 [ 223.273028][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.278307][ T4422] Bluetooth: hci23: command 0x0409 tx timeout [ 223.280990][ T5932] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.289051][ T5934] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.292517][ T5934] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.298000][ T5930] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 223.306112][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 223.308002][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 223.315100][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.332939][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.343052][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.347111][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.351520][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.354286][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.357123][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.359871][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.362529][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.366052][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.368646][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.371392][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.373845][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.376820][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.379523][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.382329][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.385054][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.387920][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.390629][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.393456][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.396360][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.399195][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.400282][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 92ms [ 223.402084][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.402103][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.402126][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.411126][ T22] gfs2: fsid=syz:syz.0: jid=0: Done [ 223.413831][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.416895][ T5930] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 223.419164][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.422474][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.427874][ T5844] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 223.465179][ T4434] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 223.636906][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 223.640151][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 223.649761][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 223.659207][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 223.698474][ T5908] device hsr_slave_0 entered promiscuous mode [ 223.745913][ T5908] device hsr_slave_1 entered promiscuous mode [ 223.815467][ T5908] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 223.817558][ T5908] Cannot create hsr debugfs directory [ 223.819831][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.822779][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.835200][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.838176][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.840856][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.843810][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.895226][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.915209][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.918054][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.920876][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.923541][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.945201][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.948034][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.950839][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.953427][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.995874][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.998435][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.006065][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.008663][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.011297][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.035195][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.037965][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.040443][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.043134][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.065201][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.075417][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.078156][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.090244][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.103235][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.115263][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.119911][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.122653][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.145300][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.148204][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.150876][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.153656][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.170871][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.173732][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.182968][ T5939] loop8: detected capacity change from 0 to 32768 [ 224.195217][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.198186][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.203101][ T5939] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 224.205891][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.208804][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.211563][ T5844] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.214470][ T5844] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.225218][ T5939] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 224.238640][ T5939] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 224.242586][ T4355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 224.244503][ T4355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 224.255360][ T5844] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 224.261116][ T5844] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.284071][ T5844] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.295202][ T5844] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.297561][ T5844] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.313295][ T5937] loop1: detected capacity change from 0 to 32768 [ 224.316891][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 224.322826][ T4355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 78ms [ 224.323098][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 224.325107][ T4355] gfs2: fsid=syz:syz.0: jid=0: Done [ 224.330954][ T5939] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 224.346362][ T5937] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.380044][ T5937] CPU: 1 PID: 5937 Comm: syz.1.458 Not tainted 6.1.143-syzkaller #0 [ 224.382356][ T5937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.384929][ T5937] Call trace: [ 224.385838][ T5937] dump_backtrace+0x1c8/0x1f4 [ 224.387115][ T5937] show_stack+0x2c/0x3c [ 224.388318][ T5937] __dump_stack+0x30/0x40 [ 224.389634][ T5937] dump_stack_lvl+0xf8/0x160 [ 224.390986][ T5937] dump_stack+0x1c/0x5c [ 224.392174][ T5937] sysfs_create_dir_ns+0x22c/0x24c [ 224.393579][ T5937] kobject_add_internal+0x5a8/0xb30 [ 224.394985][ T5937] kobject_init_and_add+0x118/0x17c [ 224.396415][ T5937] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.396954][ T5941] loop3: detected capacity change from 0 to 32768 [ 224.397855][ T5937] gfs2_fill_super+0xdec/0x19ec [ 224.401032][ T5937] get_tree_bdev+0x358/0x544 [ 224.402302][ T5937] gfs2_get_tree+0x54/0x1b4 [ 224.403492][ T5937] vfs_get_tree+0x90/0x274 [ 224.404790][ T5937] do_new_mount+0x228/0x810 [ 224.406109][ T5937] path_mount+0x5b4/0xe78 [ 224.407293][ T5937] __arm64_sys_mount+0x49c/0x584 [ 224.408643][ T5937] invoke_syscall+0x98/0x2bc [ 224.409927][ T5937] el0_svc_common+0x138/0x258 [ 224.411194][ T5937] do_el0_svc+0x58/0x13c [ 224.412347][ T5937] el0_svc+0x58/0x138 [ 224.413501][ T5937] el0t_64_sync_handler+0x84/0xf0 [ 224.414956][ T5937] el0t_64_sync+0x18c/0x190 [ 224.416869][ T5937] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.420369][ T5937] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.422781][ T5941] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.424908][ T5941] CPU: 0 PID: 5941 Comm: syz.3.460 Not tainted 6.1.143-syzkaller #0 [ 224.427185][ T5941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.430027][ T5941] Call trace: [ 224.430904][ T5941] dump_backtrace+0x1c8/0x1f4 [ 224.432235][ T5941] show_stack+0x2c/0x3c [ 224.433417][ T5941] __dump_stack+0x30/0x40 [ 224.434593][ T5941] dump_stack_lvl+0xf8/0x160 [ 224.435851][ T5941] dump_stack+0x1c/0x5c [ 224.437015][ T5941] sysfs_create_dir_ns+0x22c/0x24c [ 224.438531][ T5941] kobject_add_internal+0x5a8/0xb30 [ 224.440028][ T5941] kobject_init_and_add+0x118/0x17c [ 224.441441][ T5941] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.442834][ T5941] gfs2_fill_super+0xdec/0x19ec [ 224.444095][ T5941] get_tree_bdev+0x358/0x544 [ 224.445392][ T5941] gfs2_get_tree+0x54/0x1b4 [ 224.446713][ T5941] vfs_get_tree+0x90/0x274 [ 224.448000][ T5941] do_new_mount+0x228/0x810 [ 224.449304][ T5941] path_mount+0x5b4/0xe78 [ 224.450493][ T5941] __arm64_sys_mount+0x49c/0x584 [ 224.451934][ T5941] invoke_syscall+0x98/0x2bc [ 224.453253][ T5941] el0_svc_common+0x138/0x258 [ 224.454523][ T5941] do_el0_svc+0x58/0x13c [ 224.455743][ T5941] el0_svc+0x58/0x138 [ 224.456858][ T5941] el0t_64_sync_handler+0x84/0xf0 [ 224.458225][ T5941] el0t_64_sync+0x18c/0x190 [ 224.487394][ T28] INFO: task syz.2.47:4588 blocked for more than 143 seconds. [ 224.489695][ T28] Not tainted 6.1.143-syzkaller #0 [ 224.491287][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 224.493627][ T28] task:syz.2.47 state:D stack:0 pid:4588 ppid:4418 flags:0x0000000d [ 224.501934][ T5941] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.506686][ T28] Call trace: [ 224.507571][ T28] __switch_to+0x2f4/0x568 [ 224.508831][ T28] __schedule+0xdd4/0x1b2c [ 224.515492][ T28] schedule+0xc4/0x170 [ 224.515680][ T5941] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.516567][ T28] fuse_simple_request+0xe44/0x1740 [ 224.519867][ T28] fuse_flush+0x4bc/0x6a0 [ 224.533118][ T28] filp_close+0xb0/0x160 [ 224.534281][ T28] __close_range+0x4ec/0x68c [ 224.539162][ T28] __arm64_sys_close_range+0x7c/0x94 [ 224.540563][ T28] invoke_syscall+0x98/0x2bc [ 224.541905][ T28] el0_svc_common+0x138/0x258 [ 224.543177][ T28] do_el0_svc+0x58/0x13c [ 224.557080][ T28] el0_svc+0x58/0x138 [ 224.558202][ T28] el0t_64_sync_handler+0x84/0xf0 [ 224.559571][ T28] el0t_64_sync+0x18c/0x190 [ 224.560834][ T28] INFO: task syz.4.49:4597 blocked for more than 143 seconds. [ 224.562805][ T28] Not tainted 6.1.143-syzkaller #0 [ 224.564353][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 224.570505][ T28] task:syz.4.49 state:D stack:0 pid:4597 ppid:4432 flags:0x0000000d [ 224.573067][ T28] Call trace: [ 224.573975][ T28] __switch_to+0x2f4/0x568 [ 224.583423][ T28] __schedule+0xdd4/0x1b2c [ 224.584624][ T28] schedule+0xc4/0x170 [ 224.586076][ T28] fuse_simple_request+0xe44/0x1740 [ 224.587564][ T28] fuse_flush+0x4bc/0x6a0 [ 224.591033][ T28] filp_close+0xb0/0x160 [ 224.592186][ T28] __close_range+0x4ec/0x68c [ 224.593468][ T28] __arm64_sys_close_range+0x7c/0x94 [ 224.595073][ T28] invoke_syscall+0x98/0x2bc [ 224.596679][ T28] el0_svc_common+0x138/0x258 [ 224.597921][ T28] do_el0_svc+0x58/0x13c [ 224.599128][ T28] el0_svc+0x58/0x138 [ 224.600185][ T28] el0t_64_sync_handler+0x84/0xf0 [ 224.601629][ T28] el0t_64_sync+0x18c/0x190 [ 224.603003][ T28] [ 224.603003][ T28] Showing all locks held in the system: [ 224.619479][ T28] 2 locks held by kworker/u4:1/11: [ 224.621000][ T28] 1 lock held by rcu_tasks_kthre/12: [ 224.622419][ T28] #0: ffff800015287770 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 [ 224.626889][ T28] 1 lock held by rcu_tasks_trace/13: [ 224.628445][ T28] #0: ffff800015287f90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 [ 224.631524][ T28] 1 lock held by khungtaskd/28: [ 224.632830][ T28] #0: ffff800015286e00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 224.645057][ T28] 2 locks held by kworker/u4:2/39: [ 224.647164][ T28] #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 224.650168][ T28] #1: ffff80001cd77c20 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 224.652874][ T28] 1 lock held by udevd/3921: [ 224.654129][ T28] 2 locks held by getty/4067: [ 224.684977][ T28] #0: ffff0000d6316098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 224.688439][ T28] #1: ffff80001ce962f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c [ 224.691380][ T28] 2 locks held by kworker/0:4/4355: [ 224.692767][ T28] #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 224.713017][ T28] #1: ffff800020b57c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 224.717440][ T28] 3 locks held by kworker/0:6/4399: [ 224.718866][ T28] #0: ffff0000d5cb5138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 224.721920][ T28] #1: ffff800020d07c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 224.727709][ T28] #2: ffff80001771ee48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 224.734361][ T28] 3 locks held by kworker/1:5/4409: [ 224.736122][ T28] #0: ffff0000d5cb5138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 224.739428][ T28] #1: ffff800020da7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 224.742954][ T28] #2: ffff80001771ee48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 224.745911][ T28] 1 lock held by udevd/4519: [ 224.747205][ T28] 2 locks held by udevd/4599: [ 224.748557][ T28] 3 locks held by kworker/u4:8/5206: [ 224.750039][ T28] #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 224.752961][ T28] #1: ffff8000218c7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 224.762727][ T28] #2: ffff80001771ee48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 224.765473][ T28] 1 lock held by syz-executor/5838: [ 224.768088][ T28] #0: ffff80001528cab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x264/0x6f0 [ 224.771024][ T28] 1 lock held by syz-executor/5844: [ 224.772425][ T28] #0: ffff80001771ee48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 [ 224.775024][ T28] 2 locks held by syz-executor/5908: [ 224.782506][ T28] #0: ffff80001771ee48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 [ 224.797035][ T28] #1: ffff80001528cab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x264/0x6f0 [ 224.800020][ T28] 2 locks held by syz.8.461/5945: [ 224.806492][ T28] [ 224.807178][ T28] ============================================= [ 224.807178][ T28] [ 224.809430][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 224.811240][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.143-syzkaller #0 [ 224.813293][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 224.815991][ T28] Call trace: [ 224.816879][ T28] dump_backtrace+0x1c8/0x1f4 [ 224.818140][ T28] show_stack+0x2c/0x3c [ 224.819309][ T28] __dump_stack+0x30/0x40 [ 224.820638][ T28] dump_stack_lvl+0xf8/0x160 [ 224.821909][ T28] dump_stack+0x1c/0x5c [ 224.823001][ T28] panic+0x2e0/0x79c [ 224.824084][ T28] hung_task_panic+0x0/0x2c [ 224.825340][ T28] kthread+0x250/0x2d8 [ 224.826488][ T28] ret_from_fork+0x10/0x20 [ 224.827674][ T28] SMP: stopping secondary CPUs [ 224.828991][ T28] Kernel Offset: disabled [ 224.830098][ T28] CPU features: 0x080000,02070084,26017203 [ 224.831753][ T28] Memory Limit: none [ 225.515597][ T28] Rebooting in 86400 seconds..