][ T6358] do_new_mount+0x228/0x810 [ 216.085524][ T6358] path_mount+0x5b4/0x1000 [ 216.086175][ T6358] __arm64_sys_mount+0x514/0x5e4 [ 216.086876][ T6358] invoke_syscall+0x98/0x2b8 [ 216.087651][ T6358] el0_svc_common+0x138/0x258 [ 216.088422][ T6358] do_el0_svc+0x58/0x14c [ 216.089141][ T6358] el0_svc+0x78/0x1e0 [ 216.089787][ T6358] el0t_64_sync_handler+0xcc/0xe4 [ 216.090668][ T6358] el0t_64_sync+0x1a0/0x1a4 [ 216.091709][ T6358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.093671][ T6358] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.157530][ T6360] chnl_net:caif_netlink_parms(): no params data found [ 216.176301][ T6360] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.177506][ T6360] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.178896][ T6360] device bridge_slave_0 entered promiscuous mode [ 216.181767][ T6360] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.182962][ T6360] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.184538][ T6360] device bridge_slave_1 entered promiscuous mode [ 216.193282][ T6360] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 216.195797][ T6360] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 216.203477][ T6360] team0: Port device team_slave_0 added [ 216.205150][ T6360] team0: Port device team_slave_1 added [ 216.211979][ T6360] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 216.213121][ T6360] 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. [ 216.217411][ T6360] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 216.219957][ T6360] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 216.220914][ T6360] 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. [ 216.224611][ T6360] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 216.260866][ T6360] device hsr_slave_0 entered promiscuous mode [ 216.299583][ T6360] device hsr_slave_1 entered promiscuous mode [ 216.339397][ T6360] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 216.340652][ T6360] Cannot create hsr debugfs directory [ 216.378307][ T6360] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.863563][ T6360] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.926933][ T6360] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.982111][ T6360] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.151465][ T6360] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 217.183565][ T6360] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 217.220521][ T6360] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 217.263698][ T6360] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 217.323840][ T6360] 8021q: adding VLAN 0 to HW filter on device bond0 [ 217.327448][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 217.328969][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 217.333403][ T6360] 8021q: adding VLAN 0 to HW filter on device team0 [ 217.335757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 217.337306][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 217.338700][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 217.339823][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 217.341067][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 217.343461][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 217.345046][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 217.346521][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 217.347716][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 217.353692][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 217.356437][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 217.360379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 217.362476][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 217.364208][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 217.366809][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 217.368546][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 217.372513][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 217.374156][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 217.376723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 217.378204][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 217.385123][ T6360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 217.423587][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 217.424821][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 217.427765][ T6360] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 217.434720][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 217.436708][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 217.443007][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 217.444622][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 217.446145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 217.447463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 217.449693][ T6360] device veth0_vlan entered promiscuous mode [ 217.452887][ T6360] device veth1_vlan entered promiscuous mode [ 217.464058][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 217.465622][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 217.467127][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 217.468689][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 217.471798][ T6360] device veth0_macvtap entered promiscuous mode [ 217.474086][ T6360] device veth1_macvtap entered promiscuous mode [ 217.478489][ T6360] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 217.480250][ T6360] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.481789][ T6360] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 217.483389][ T6360] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.485500][ T6360] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 217.486965][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 217.488477][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 217.490802][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 217.492378][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 217.495165][ T6360] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 217.496746][ T6360] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.498149][ T6360] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 217.500178][ T6360] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.502536][ T6360] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 217.503695][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 217.505327][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 217.511512][ T6360] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.512985][ T6360] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.514520][ T6360] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.515940][ T6360] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.538778][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.545459][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 217.546083][ T563] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.547622][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 217.548015][ T563] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 217.552925][ T563] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:37 executed programs: 603 [ 217.690465][ T6379] loop1: detected capacity change from 0 to 32768 [ 217.695684][ T6379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.696910][ T6379] CPU: 1 PID: 6379 Comm: syz.1.618 Not tainted syzkaller #0 [ 217.698016][ T6379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.699598][ T6379] Call trace: [ 217.700116][ T6379] dump_backtrace+0x0/0x43c [ 217.700860][ T6379] show_stack+0x2c/0x3c [ 217.701527][ T6379] __dump_stack+0x30/0x40 [ 217.702276][ T6379] dump_stack_lvl+0xf8/0x160 [ 217.702988][ T6379] dump_stack+0x1c/0x5c [ 217.703626][ T6379] sysfs_create_dir_ns+0x22c/0x24c [ 217.704393][ T6379] kobject_add_internal+0x590/0xc54 [ 217.705195][ T6379] kobject_init_and_add+0x118/0x17c [ 217.706145][ T6379] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.706984][ T6379] gfs2_fill_super+0xdac/0x19e0 [ 217.707794][ T6379] get_tree_bdev+0x358/0x544 [ 217.708558][ T6379] gfs2_get_tree+0x54/0x1b4 [ 217.709311][ T6379] vfs_get_tree+0x90/0x274 [ 217.709988][ T6379] do_new_mount+0x228/0x810 [ 217.710791][ T6379] path_mount+0x5b4/0x1000 [ 217.711569][ T6379] __arm64_sys_mount+0x514/0x5e4 [ 217.712353][ T6379] invoke_syscall+0x98/0x2b8 [ 217.713025][ T6379] el0_svc_common+0x138/0x258 [ 217.713765][ T6379] do_el0_svc+0x58/0x14c [ 217.714446][ T6379] el0_svc+0x78/0x1e0 [ 217.715121][ T6379] el0t_64_sync_handler+0xcc/0xe4 [ 217.715883][ T6379] el0t_64_sync+0x1a0/0x1a4 [ 217.717017][ T6379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.719206][ T6379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.986939][ T6381] loop1: detected capacity change from 0 to 32768 [ 218.073944][ T6381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.075262][ T6381] CPU: 0 PID: 6381 Comm: syz.1.619 Not tainted syzkaller #0 [ 218.076444][ T6381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.078041][ T6381] Call trace: [ 218.078602][ T6381] dump_backtrace+0x0/0x43c [ 218.079313][ T6381] show_stack+0x2c/0x3c [ 218.079947][ T6381] __dump_stack+0x30/0x40 [ 218.080586][ T6381] dump_stack_lvl+0xf8/0x160 [ 218.081271][ T6381] dump_stack+0x1c/0x5c [ 218.081956][ T6381] sysfs_create_dir_ns+0x22c/0x24c [ 218.082805][ T6381] kobject_add_internal+0x590/0xc54 [ 218.083612][ T6381] kobject_init_and_add+0x118/0x17c [ 218.084448][ T6381] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.085221][ T6381] gfs2_fill_super+0xdac/0x19e0 [ 218.085997][ T6381] get_tree_bdev+0x358/0x544 [ 218.086736][ T6381] gfs2_get_tree+0x54/0x1b4 [ 218.087380][ T6381] vfs_get_tree+0x90/0x274 [ 218.088033][ T6381] do_new_mount+0x228/0x810 [ 218.088758][ T6381] path_mount+0x5b4/0x1000 [ 218.089497][ T6381] __arm64_sys_mount+0x514/0x5e4 [ 218.090216][ T6381] invoke_syscall+0x98/0x2b8 [ 218.090960][ T6381] el0_svc_common+0x138/0x258 [ 218.091661][ T6381] do_el0_svc+0x58/0x14c [ 218.092294][ T6381] el0_svc+0x78/0x1e0 [ 218.092908][ T6381] el0t_64_sync_handler+0xcc/0xe4 [ 218.093719][ T6381] el0t_64_sync+0x1a0/0x1a4 [ 218.096184][ T6381] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.098224][ T6381] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.169431][ T4144] Bluetooth: hci2: command 0x0409 tx timeout [ 218.189936][ T513] device hsr_slave_0 left promiscuous mode [ 218.239674][ T513] device hsr_slave_1 left promiscuous mode [ 218.315479][ T6383] loop1: detected capacity change from 0 to 32768 [ 218.329449][ T513] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 218.330725][ T513] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 218.332604][ T513] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 218.333782][ T513] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 218.335107][ T513] device bridge_slave_1 left promiscuous mode [ 218.336199][ T513] bridge0: port 2(bridge_slave_1) entered disabled state [ 218.350969][ T6383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.352182][ T6383] CPU: 1 PID: 6383 Comm: syz.1.620 Not tainted syzkaller #0 [ 218.353342][ T6383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.354851][ T6383] Call trace: [ 218.355366][ T6383] dump_backtrace+0x0/0x43c [ 218.356112][ T6383] show_stack+0x2c/0x3c [ 218.356770][ T6383] __dump_stack+0x30/0x40 [ 218.357407][ T6383] dump_stack_lvl+0xf8/0x160 [ 218.358036][ T6383] dump_stack+0x1c/0x5c [ 218.358771][ T6383] sysfs_create_dir_ns+0x22c/0x24c [ 218.359606][ T6383] kobject_add_internal+0x590/0xc54 [ 218.360464][ T6383] kobject_init_and_add+0x118/0x17c [ 218.361233][ T6383] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.361957][ T6383] gfs2_fill_super+0xdac/0x19e0 [ 218.362688][ T6383] get_tree_bdev+0x358/0x544 [ 218.363430][ T6383] gfs2_get_tree+0x54/0x1b4 [ 218.364127][ T6383] vfs_get_tree+0x90/0x274 [ 218.364765][ T6383] do_new_mount+0x228/0x810 [ 218.365482][ T6383] path_mount+0x5b4/0x1000 [ 218.366138][ T6383] __arm64_sys_mount+0x514/0x5e4 [ 218.366844][ T6383] invoke_syscall+0x98/0x2b8 [ 218.367505][ T6383] el0_svc_common+0x138/0x258 [ 218.368186][ T6383] do_el0_svc+0x58/0x14c [ 218.368873][ T6383] el0_svc+0x78/0x1e0 [ 218.369481][ T6383] el0t_64_sync_handler+0xcc/0xe4 [ 218.370323][ T6383] el0t_64_sync+0x1a0/0x1a4 [ 218.379493][ T6383] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.381692][ T6383] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.381880][ T513] device bridge_slave_0 left promiscuous mode [ 218.383801][ T513] bridge0: port 1(bridge_slave_0) entered disabled state [ 218.499470][ T513] device veth1_macvtap left promiscuous mode [ 218.500507][ T513] device veth0_macvtap left promiscuous mode [ 218.501403][ T513] device veth1_vlan left promiscuous mode [ 218.502312][ T513] device veth0_vlan left promiscuous mode [ 218.520448][ T6385] loop1: detected capacity change from 0 to 32768 [ 218.571863][ T6385] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.573217][ T6385] CPU: 0 PID: 6385 Comm: syz.1.621 Not tainted syzkaller #0 [ 218.574388][ T6385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.576005][ T6385] Call trace: [ 218.576530][ T6385] dump_backtrace+0x0/0x43c [ 218.577261][ T6385] show_stack+0x2c/0x3c [ 218.577936][ T6385] __dump_stack+0x30/0x40 [ 218.578602][ T6385] dump_stack_lvl+0xf8/0x160 [ 218.579328][ T6385] dump_stack+0x1c/0x5c [ 218.579995][ T6385] sysfs_create_dir_ns+0x22c/0x24c [ 218.580841][ T6385] kobject_add_internal+0x590/0xc54 [ 218.581647][ T6385] kobject_init_and_add+0x118/0x17c [ 218.582463][ T6385] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.583228][ T6385] gfs2_fill_super+0xdac/0x19e0 [ 218.583947][ T6385] get_tree_bdev+0x358/0x544 [ 218.584675][ T6385] gfs2_get_tree+0x54/0x1b4 [ 218.585315][ T6385] vfs_get_tree+0x90/0x274 [ 218.586000][ T6385] do_new_mount+0x228/0x810 [ 218.586767][ T6385] path_mount+0x5b4/0x1000 [ 218.587439][ T6385] __arm64_sys_mount+0x514/0x5e4 [ 218.588156][ T6385] invoke_syscall+0x98/0x2b8 [ 218.588908][ T6385] el0_svc_common+0x138/0x258 [ 218.589647][ T6385] do_el0_svc+0x58/0x14c [ 218.590357][ T6385] el0_svc+0x78/0x1e0 [ 218.591015][ T6385] el0t_64_sync_handler+0xcc/0xe4 [ 218.591781][ T6385] el0t_64_sync+0x1a0/0x1a4 [ 218.600711][ T6385] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.608562][ T6385] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.619458][ T513] team0 (unregistering): Port device team_slave_1 removed [ 218.623587][ T513] team0 (unregistering): Port device team_slave_0 removed [ 218.627379][ T513] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 218.663112][ T513] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 218.773755][ T513] bond0 (unregistering): Released all slaves [ 218.852821][ T6387] loop1: detected capacity change from 0 to 32768 [ 218.930085][ T6387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.931305][ T6387] CPU: 0 PID: 6387 Comm: syz.1.622 Not tainted syzkaller #0 [ 218.932487][ T6387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.934134][ T6387] Call trace: [ 218.934616][ T6387] dump_backtrace+0x0/0x43c [ 218.935361][ T6387] show_stack+0x2c/0x3c [ 218.936002][ T6387] __dump_stack+0x30/0x40 [ 218.936669][ T6387] dump_stack_lvl+0xf8/0x160 [ 218.937437][ T6387] dump_stack+0x1c/0x5c [ 218.938105][ T6387] sysfs_create_dir_ns+0x22c/0x24c [ 218.938910][ T6387] kobject_add_internal+0x590/0xc54 [ 218.939699][ T6387] kobject_init_and_add+0x118/0x17c [ 218.940503][ T6387] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.941218][ T6387] gfs2_fill_super+0xdac/0x19e0 [ 218.941965][ T6387] get_tree_bdev+0x358/0x544 [ 218.942652][ T6387] gfs2_get_tree+0x54/0x1b4 [ 218.943299][ T6387] vfs_get_tree+0x90/0x274 [ 218.943989][ T6387] do_new_mount+0x228/0x810 [ 218.944755][ T6387] path_mount+0x5b4/0x1000 [ 218.945459][ T6387] __arm64_sys_mount+0x514/0x5e4 [ 218.946236][ T6387] invoke_syscall+0x98/0x2b8 [ 218.946993][ T6387] el0_svc_common+0x138/0x258 [ 218.947751][ T6387] do_el0_svc+0x58/0x14c [ 218.948451][ T6387] el0_svc+0x78/0x1e0 [ 218.949112][ T6387] el0t_64_sync_handler+0xcc/0xe4 [ 218.949966][ T6387] el0t_64_sync+0x1a0/0x1a4 [ 218.951497][ T6387] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.953602][ T6387] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.086729][ T6389] loop1: detected capacity change from 0 to 32768 [ 219.096160][ T6389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.097276][ T6389] CPU: 1 PID: 6389 Comm: syz.1.623 Not tainted syzkaller #0 [ 219.098332][ T6389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.099794][ T6389] Call trace: [ 219.100301][ T6389] dump_backtrace+0x0/0x43c [ 219.101002][ T6389] show_stack+0x2c/0x3c [ 219.101626][ T6389] __dump_stack+0x30/0x40 [ 219.102244][ T6389] dump_stack_lvl+0xf8/0x160 [ 219.102991][ T6389] dump_stack+0x1c/0x5c [ 219.103598][ T6389] sysfs_create_dir_ns+0x22c/0x24c [ 219.104280][ T6389] kobject_add_internal+0x590/0xc54 [ 219.105126][ T6389] kobject_init_and_add+0x118/0x17c [ 219.105965][ T6389] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.106804][ T6389] gfs2_fill_super+0xdac/0x19e0 [ 219.107607][ T6389] get_tree_bdev+0x358/0x544 [ 219.108294][ T6389] gfs2_get_tree+0x54/0x1b4 [ 219.108953][ T6389] vfs_get_tree+0x90/0x274 [ 219.109664][ T6389] do_new_mount+0x228/0x810 [ 219.110444][ T6389] path_mount+0x5b4/0x1000 [ 219.111175][ T6389] __arm64_sys_mount+0x514/0x5e4 [ 219.111920][ T6389] invoke_syscall+0x98/0x2b8 [ 219.112703][ T6389] el0_svc_common+0x138/0x258 [ 219.113522][ T6389] do_el0_svc+0x58/0x14c [ 219.114261][ T6389] el0_svc+0x78/0x1e0 [ 219.114956][ T6389] el0t_64_sync_handler+0xcc/0xe4 [ 219.115757][ T6389] el0t_64_sync+0x1a0/0x1a4 [ 219.118276][ T6389] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.120485][ T6389] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.260292][ T6391] loop1: detected capacity change from 0 to 32768 [ 219.304722][ T6391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.306030][ T6391] CPU: 0 PID: 6391 Comm: syz.1.624 Not tainted syzkaller #0 [ 219.307276][ T6391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.308929][ T6391] Call trace: [ 219.309468][ T6391] dump_backtrace+0x0/0x43c [ 219.310218][ T6391] show_stack+0x2c/0x3c [ 219.310877][ T6391] __dump_stack+0x30/0x40 [ 219.311537][ T6391] dump_stack_lvl+0xf8/0x160 [ 219.312303][ T6391] dump_stack+0x1c/0x5c [ 219.312987][ T6391] sysfs_create_dir_ns+0x22c/0x24c [ 219.313770][ T6391] kobject_add_internal+0x590/0xc54 [ 219.314599][ T6391] kobject_init_and_add+0x118/0x17c [ 219.315391][ T6391] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.316155][ T6391] gfs2_fill_super+0xdac/0x19e0 [ 219.316892][ T6391] get_tree_bdev+0x358/0x544 [ 219.317670][ T6391] gfs2_get_tree+0x54/0x1b4 [ 219.318359][ T6391] vfs_get_tree+0x90/0x274 [ 219.319080][ T6391] do_new_mount+0x228/0x810 [ 219.319818][ T6391] path_mount+0x5b4/0x1000 [ 219.320552][ T6391] __arm64_sys_mount+0x514/0x5e4 [ 219.321330][ T6391] invoke_syscall+0x98/0x2b8 [ 219.322068][ T6391] el0_svc_common+0x138/0x258 [ 219.322739][ T6391] do_el0_svc+0x58/0x14c [ 219.323403][ T6391] el0_svc+0x78/0x1e0 [ 219.324117][ T6391] el0t_64_sync_handler+0xcc/0xe4 [ 219.324963][ T6391] el0t_64_sync+0x1a0/0x1a4 [ 219.327082][ T6391] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.328982][ T6391] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.467652][ T6393] loop1: detected capacity change from 0 to 32768 [ 219.560300][ T6393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.561461][ T6393] CPU: 0 PID: 6393 Comm: syz.1.625 Not tainted syzkaller #0 [ 219.562486][ T6393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.564083][ T6393] Call trace: [ 219.564619][ T6393] dump_backtrace+0x0/0x43c [ 219.565340][ T6393] show_stack+0x2c/0x3c [ 219.566038][ T6393] __dump_stack+0x30/0x40 [ 219.566748][ T6393] dump_stack_lvl+0xf8/0x160 [ 219.567517][ T6393] dump_stack+0x1c/0x5c [ 219.568209][ T6393] sysfs_create_dir_ns+0x22c/0x24c [ 219.569051][ T6393] kobject_add_internal+0x590/0xc54 [ 219.569892][ T6393] kobject_init_and_add+0x118/0x17c [ 219.570790][ T6393] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.571588][ T6393] gfs2_fill_super+0xdac/0x19e0 [ 219.572375][ T6393] get_tree_bdev+0x358/0x544 [ 219.573102][ T6393] gfs2_get_tree+0x54/0x1b4 [ 219.573816][ T6393] vfs_get_tree+0x90/0x274 [ 219.574526][ T6393] do_new_mount+0x228/0x810 [ 219.575267][ T6393] path_mount+0x5b4/0x1000 [ 219.576064][ T6393] __arm64_sys_mount+0x514/0x5e4 [ 219.576846][ T6393] invoke_syscall+0x98/0x2b8 [ 219.577590][ T6393] el0_svc_common+0x138/0x258 [ 219.578364][ T6393] do_el0_svc+0x58/0x14c [ 219.579089][ T6393] el0_svc+0x78/0x1e0 [ 219.579754][ T6393] el0t_64_sync_handler+0xcc/0xe4 [ 219.580556][ T6393] el0t_64_sync+0x1a0/0x1a4 [ 219.582988][ T6393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.584999][ T6393] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.712147][ T6395] loop1: detected capacity change from 0 to 32768 [ 219.751239][ T6395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.752361][ T6395] CPU: 0 PID: 6395 Comm: syz.1.626 Not tainted syzkaller #0 [ 219.753603][ T6395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.755201][ T6395] Call trace: [ 219.755697][ T6395] dump_backtrace+0x0/0x43c [ 219.756421][ T6395] show_stack+0x2c/0x3c [ 219.757025][ T6395] __dump_stack+0x30/0x40 [ 219.757765][ T6395] dump_stack_lvl+0xf8/0x160 [ 219.758531][ T6395] dump_stack+0x1c/0x5c [ 219.759213][ T6395] sysfs_create_dir_ns+0x22c/0x24c [ 219.760066][ T6395] kobject_add_internal+0x590/0xc54 [ 219.760967][ T6395] kobject_init_and_add+0x118/0x17c [ 219.761851][ T6395] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.762629][ T6395] gfs2_fill_super+0xdac/0x19e0 [ 219.763446][ T6395] get_tree_bdev+0x358/0x544 [ 219.764184][ T6395] gfs2_get_tree+0x54/0x1b4 [ 219.764888][ T6395] vfs_get_tree+0x90/0x274 [ 219.765584][ T6395] do_new_mount+0x228/0x810 [ 219.766318][ T6395] path_mount+0x5b4/0x1000 [ 219.767053][ T6395] __arm64_sys_mount+0x514/0x5e4 [ 219.767831][ T6395] invoke_syscall+0x98/0x2b8 [ 219.768549][ T6395] el0_svc_common+0x138/0x258 [ 219.769330][ T6395] do_el0_svc+0x58/0x14c [ 219.770033][ T6395] el0_svc+0x78/0x1e0 [ 219.770685][ T6395] el0t_64_sync_handler+0xcc/0xe4 [ 219.771492][ T6395] el0t_64_sync+0x1a0/0x1a4 [ 219.774392][ T6395] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.776264][ T6395] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.911319][ T6397] loop1: detected capacity change from 0 to 32768 [ 219.959475][ T6397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.960703][ T6397] CPU: 1 PID: 6397 Comm: syz.1.627 Not tainted syzkaller #0 [ 219.961862][ T6397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.963496][ T6397] Call trace: [ 219.964018][ T6397] dump_backtrace+0x0/0x43c [ 219.964777][ T6397] show_stack+0x2c/0x3c [ 219.965439][ T6397] __dump_stack+0x30/0x40 [ 219.966165][ T6397] dump_stack_lvl+0xf8/0x160 [ 219.966933][ T6397] dump_stack+0x1c/0x5c [ 219.967627][ T6397] sysfs_create_dir_ns+0x22c/0x24c [ 219.968494][ T6397] kobject_add_internal+0x590/0xc54 [ 219.969348][ T6397] kobject_init_and_add+0x118/0x17c [ 219.970205][ T6397] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.970963][ T6397] gfs2_fill_super+0xdac/0x19e0 [ 219.971717][ T6397] get_tree_bdev+0x358/0x544 [ 219.972471][ T6397] gfs2_get_tree+0x54/0x1b4 [ 219.973287][ T6397] vfs_get_tree+0x90/0x274 [ 219.973999][ T6397] do_new_mount+0x228/0x810 [ 219.974772][ T6397] path_mount+0x5b4/0x1000 [ 219.975516][ T6397] __arm64_sys_mount+0x514/0x5e4 [ 219.976317][ T6397] invoke_syscall+0x98/0x2b8 [ 219.977064][ T6397] el0_svc_common+0x138/0x258 [ 219.977851][ T6397] do_el0_svc+0x58/0x14c [ 219.978519][ T6397] el0_svc+0x78/0x1e0 [ 219.979154][ T6397] el0t_64_sync_handler+0xcc/0xe4 [ 219.979944][ T6397] el0t_64_sync+0x1a0/0x1a4 [ 219.983141][ T6397] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.985166][ T6397] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.133111][ T6399] loop1: detected capacity change from 0 to 32768 [ 220.151659][ T6399] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.152913][ T6399] CPU: 1 PID: 6399 Comm: syz.1.628 Not tainted syzkaller #0 [ 220.154145][ T6399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.155879][ T6399] Call trace: [ 220.156427][ T6399] dump_backtrace+0x0/0x43c [ 220.157146][ T6399] show_stack+0x2c/0x3c [ 220.157858][ T6399] __dump_stack+0x30/0x40 [ 220.158544][ T6399] dump_stack_lvl+0xf8/0x160 [ 220.159244][ T6399] dump_stack+0x1c/0x5c [ 220.159877][ T6399] sysfs_create_dir_ns+0x22c/0x24c [ 220.160722][ T6399] kobject_add_internal+0x590/0xc54 [ 220.161597][ T6399] kobject_init_and_add+0x118/0x17c [ 220.162442][ T6399] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.163285][ T6399] gfs2_fill_super+0xdac/0x19e0 [ 220.164090][ T6399] get_tree_bdev+0x358/0x544 [ 220.164804][ T6399] gfs2_get_tree+0x54/0x1b4 [ 220.165549][ T6399] vfs_get_tree+0x90/0x274 [ 220.166179][ T6399] do_new_mount+0x228/0x810 [ 220.166850][ T6399] path_mount+0x5b4/0x1000 [ 220.167508][ T6399] __arm64_sys_mount+0x514/0x5e4 [ 220.168233][ T6399] invoke_syscall+0x98/0x2b8 [ 220.168987][ T6399] el0_svc_common+0x138/0x258 [ 220.169764][ T6399] do_el0_svc+0x58/0x14c [ 220.170497][ T6399] el0_svc+0x78/0x1e0 [ 220.171127][ T6399] el0t_64_sync_handler+0xcc/0xe4 [ 220.171999][ T6399] el0t_64_sync+0x1a0/0x1a4 [ 220.174981][ T6399] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.177081][ T6399] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.249339][ T4087] Bluetooth: hci2: command 0x041b tx timeout [ 220.321863][ T6401] loop1: detected capacity change from 0 to 32768 [ 220.327129][ T6401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.328295][ T6401] CPU: 0 PID: 6401 Comm: syz.1.629 Not tainted syzkaller #0 [ 220.329280][ T6401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.330801][ T6401] Call trace: [ 220.331240][ T6401] dump_backtrace+0x0/0x43c [ 220.331903][ T6401] show_stack+0x2c/0x3c [ 220.332497][ T6401] __dump_stack+0x30/0x40 [ 220.333128][ T6401] dump_stack_lvl+0xf8/0x160 [ 220.333792][ T6401] dump_stack+0x1c/0x5c [ 220.334474][ T6401] sysfs_create_dir_ns+0x22c/0x24c [ 220.335233][ T6401] kobject_add_internal+0x590/0xc54 [ 220.336045][ T6401] kobject_init_and_add+0x118/0x17c [ 220.336913][ T6401] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.337681][ T6401] gfs2_fill_super+0xdac/0x19e0 [ 220.338457][ T6401] get_tree_bdev+0x358/0x544 [ 220.339129][ T6401] gfs2_get_tree+0x54/0x1b4 [ 220.339881][ T6401] vfs_get_tree+0x90/0x274 [ 220.340574][ T6401] do_new_mount+0x228/0x810 [ 220.341228][ T6401] path_mount+0x5b4/0x1000 [ 220.341954][ T6401] __arm64_sys_mount+0x514/0x5e4 [ 220.342712][ T6401] invoke_syscall+0x98/0x2b8 [ 220.343487][ T6401] el0_svc_common+0x138/0x258 [ 220.344161][ T6401] do_el0_svc+0x58/0x14c [ 220.344827][ T6401] el0_svc+0x78/0x1e0 [ 220.345486][ T6401] el0t_64_sync_handler+0xcc/0xe4 [ 220.346306][ T6401] el0t_64_sync+0x1a0/0x1a4 [ 220.347101][ T6401] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.349108][ T6401] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.499068][ T6403] loop1: detected capacity change from 0 to 32768 [ 220.506409][ T6403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.507842][ T6403] CPU: 1 PID: 6403 Comm: syz.1.630 Not tainted syzkaller #0 [ 220.508941][ T6403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.510517][ T6403] Call trace: [ 220.511037][ T6403] dump_backtrace+0x0/0x43c [ 220.511798][ T6403] show_stack+0x2c/0x3c [ 220.512473][ T6403] __dump_stack+0x30/0x40 [ 220.513205][ T6403] dump_stack_lvl+0xf8/0x160 [ 220.513950][ T6403] dump_stack+0x1c/0x5c [ 220.514634][ T6403] sysfs_create_dir_ns+0x22c/0x24c [ 220.515472][ T6403] kobject_add_internal+0x590/0xc54 [ 220.516367][ T6403] kobject_init_and_add+0x118/0x17c [ 220.517197][ T6403] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.518000][ T6403] gfs2_fill_super+0xdac/0x19e0 [ 220.518829][ T6403] get_tree_bdev+0x358/0x544 [ 220.519612][ T6403] gfs2_get_tree+0x54/0x1b4 [ 220.520328][ T6403] vfs_get_tree+0x90/0x274 [ 220.521031][ T6403] do_new_mount+0x228/0x810 [ 220.521754][ T6403] path_mount+0x5b4/0x1000 [ 220.522441][ T6403] __arm64_sys_mount+0x514/0x5e4 [ 220.523202][ T6403] invoke_syscall+0x98/0x2b8 [ 220.523933][ T6403] el0_svc_common+0x138/0x258 [ 220.524710][ T6403] do_el0_svc+0x58/0x14c [ 220.525403][ T6403] el0_svc+0x78/0x1e0 [ 220.526089][ T6403] el0t_64_sync_handler+0xcc/0xe4 [ 220.526949][ T6403] el0t_64_sync+0x1a0/0x1a4 [ 220.529437][ T6403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.531430][ T6403] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.663707][ T6405] loop1: detected capacity change from 0 to 32768 [ 220.703980][ T6405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.705102][ T6405] CPU: 1 PID: 6405 Comm: syz.1.631 Not tainted syzkaller #0 [ 220.706154][ T6405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.707668][ T6405] Call trace: [ 220.708103][ T6405] dump_backtrace+0x0/0x43c [ 220.708750][ T6405] show_stack+0x2c/0x3c [ 220.709393][ T6405] __dump_stack+0x30/0x40 [ 220.710016][ T6405] dump_stack_lvl+0xf8/0x160 [ 220.710733][ T6405] dump_stack+0x1c/0x5c [ 220.711404][ T6405] sysfs_create_dir_ns+0x22c/0x24c [ 220.712247][ T6405] kobject_add_internal+0x590/0xc54 [ 220.713040][ T6405] kobject_init_and_add+0x118/0x17c [ 220.713866][ T6405] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.714728][ T6405] gfs2_fill_super+0xdac/0x19e0 [ 220.715624][ T6405] get_tree_bdev+0x358/0x544 [ 220.716409][ T6405] gfs2_get_tree+0x54/0x1b4 [ 220.717122][ T6405] vfs_get_tree+0x90/0x274 [ 220.717922][ T6405] do_new_mount+0x228/0x810 [ 220.718659][ T6405] path_mount+0x5b4/0x1000 [ 220.719295][ T6405] __arm64_sys_mount+0x514/0x5e4 [ 220.720074][ T6405] invoke_syscall+0x98/0x2b8 [ 220.720764][ T6405] el0_svc_common+0x138/0x258 [ 220.721438][ T6405] do_el0_svc+0x58/0x14c [ 220.722142][ T6405] el0_svc+0x78/0x1e0 [ 220.722819][ T6405] el0t_64_sync_handler+0xcc/0xe4 [ 220.723665][ T6405] el0t_64_sync+0x1a0/0x1a4 [ 220.726202][ T6405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.728048][ T6405] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.860233][ T6407] loop1: detected capacity change from 0 to 32768 [ 220.915046][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.916386][ T6407] CPU: 1 PID: 6407 Comm: syz.1.632 Not tainted syzkaller #0 [ 220.917606][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.919250][ T6407] Call trace: [ 220.919752][ T6407] dump_backtrace+0x0/0x43c [ 220.920452][ T6407] show_stack+0x2c/0x3c [ 220.921131][ T6407] __dump_stack+0x30/0x40 [ 220.921867][ T6407] dump_stack_lvl+0xf8/0x160 [ 220.922638][ T6407] dump_stack+0x1c/0x5c [ 220.923340][ T6407] sysfs_create_dir_ns+0x22c/0x24c [ 220.924156][ T6407] kobject_add_internal+0x590/0xc54 [ 220.925043][ T6407] kobject_init_and_add+0x118/0x17c [ 220.925944][ T6407] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.926703][ T6407] gfs2_fill_super+0xdac/0x19e0 [ 220.927457][ T6407] get_tree_bdev+0x358/0x544 [ 220.928166][ T6407] gfs2_get_tree+0x54/0x1b4 [ 220.928840][ T6407] vfs_get_tree+0x90/0x274 [ 220.929521][ T6407] do_new_mount+0x228/0x810 [ 220.930244][ T6407] path_mount+0x5b4/0x1000 [ 220.930915][ T6407] __arm64_sys_mount+0x514/0x5e4 [ 220.931675][ T6407] invoke_syscall+0x98/0x2b8 [ 220.932363][ T6407] el0_svc_common+0x138/0x258 [ 220.933108][ T6407] do_el0_svc+0x58/0x14c [ 220.933762][ T6407] el0_svc+0x78/0x1e0 [ 220.934350][ T6407] el0t_64_sync_handler+0xcc/0xe4 [ 220.935182][ T6407] el0t_64_sync+0x1a0/0x1a4 [ 220.937422][ T6407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.939970][ T6407] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.072020][ T6409] loop1: detected capacity change from 0 to 32768 [ 221.110671][ T6409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.111908][ T6409] CPU: 1 PID: 6409 Comm: syz.1.633 Not tainted syzkaller #0 [ 221.112916][ T6409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.114343][ T6409] Call trace: [ 221.114808][ T6409] dump_backtrace+0x0/0x43c [ 221.115507][ T6409] show_stack+0x2c/0x3c [ 221.116073][ T6409] __dump_stack+0x30/0x40 [ 221.116701][ T6409] dump_stack_lvl+0xf8/0x160 [ 221.117308][ T6409] dump_stack+0x1c/0x5c [ 221.117888][ T6409] sysfs_create_dir_ns+0x22c/0x24c [ 221.118662][ T6409] kobject_add_internal+0x590/0xc54 [ 221.119412][ T6409] kobject_init_and_add+0x118/0x17c [ 221.120147][ T6409] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.120824][ T6409] gfs2_fill_super+0xdac/0x19e0 [ 221.121531][ T6409] get_tree_bdev+0x358/0x544 [ 221.122228][ T6409] gfs2_get_tree+0x54/0x1b4 [ 221.122926][ T6409] vfs_get_tree+0x90/0x274 [ 221.123577][ T6409] do_new_mount+0x228/0x810 [ 221.124262][ T6409] path_mount+0x5b4/0x1000 [ 221.124949][ T6409] __arm64_sys_mount+0x514/0x5e4 [ 221.125701][ T6409] invoke_syscall+0x98/0x2b8 [ 221.126418][ T6409] el0_svc_common+0x138/0x258 [ 221.127153][ T6409] do_el0_svc+0x58/0x14c [ 221.127858][ T6409] el0_svc+0x78/0x1e0 [ 221.128491][ T6409] el0t_64_sync_handler+0xcc/0xe4 [ 221.129293][ T6409] el0t_64_sync+0x1a0/0x1a4 [ 221.130631][ T6409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.132656][ T6409] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.361083][ T6411] loop1: detected capacity change from 0 to 32768 [ 221.405736][ T6411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.406935][ T6411] CPU: 0 PID: 6411 Comm: syz.1.634 Not tainted syzkaller #0 [ 221.407993][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.409714][ T6411] Call trace: [ 221.410265][ T6411] dump_backtrace+0x0/0x43c [ 221.411010][ T6411] show_stack+0x2c/0x3c [ 221.411709][ T6411] __dump_stack+0x30/0x40 [ 221.412404][ T6411] dump_stack_lvl+0xf8/0x160 [ 221.413047][ T6411] dump_stack+0x1c/0x5c [ 221.413724][ T6411] sysfs_create_dir_ns+0x22c/0x24c [ 221.414574][ T6411] kobject_add_internal+0x590/0xc54 [ 221.415353][ T6411] kobject_init_and_add+0x118/0x17c [ 221.416199][ T6411] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.417000][ T6411] gfs2_fill_super+0xdac/0x19e0 [ 221.417780][ T6411] get_tree_bdev+0x358/0x544 [ 221.418548][ T6411] gfs2_get_tree+0x54/0x1b4 [ 221.419241][ T6411] vfs_get_tree+0x90/0x274 [ 221.419964][ T6411] do_new_mount+0x228/0x810 [ 221.420646][ T6411] path_mount+0x5b4/0x1000 [ 221.421320][ T6411] __arm64_sys_mount+0x514/0x5e4 [ 221.422145][ T6411] invoke_syscall+0x98/0x2b8 [ 221.422843][ T6411] el0_svc_common+0x138/0x258 [ 221.423575][ T6411] do_el0_svc+0x58/0x14c [ 221.424292][ T6411] el0_svc+0x78/0x1e0 [ 221.424935][ T6411] el0t_64_sync_handler+0xcc/0xe4 [ 221.425754][ T6411] el0t_64_sync+0x1a0/0x1a4 [ 221.427544][ T6411] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.429723][ T6411] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.560796][ T6413] loop1: detected capacity change from 0 to 32768 [ 221.611265][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.612485][ T6413] CPU: 0 PID: 6413 Comm: syz.1.635 Not tainted syzkaller #0 [ 221.613620][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.615239][ T6413] Call trace: [ 221.615765][ T6413] dump_backtrace+0x0/0x43c [ 221.616488][ T6413] show_stack+0x2c/0x3c [ 221.617105][ T6413] __dump_stack+0x30/0x40 [ 221.617730][ T6413] dump_stack_lvl+0xf8/0x160 [ 221.618385][ T6413] dump_stack+0x1c/0x5c [ 221.619050][ T6413] sysfs_create_dir_ns+0x22c/0x24c [ 221.619791][ T6413] kobject_add_internal+0x590/0xc54 [ 221.620583][ T6413] kobject_init_and_add+0x118/0x17c [ 221.621418][ T6413] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.622136][ T6413] gfs2_fill_super+0xdac/0x19e0 [ 221.622887][ T6413] get_tree_bdev+0x358/0x544 [ 221.623578][ T6413] gfs2_get_tree+0x54/0x1b4 [ 221.624262][ T6413] vfs_get_tree+0x90/0x274 [ 221.624898][ T6413] do_new_mount+0x228/0x810 [ 221.625528][ T6413] path_mount+0x5b4/0x1000 [ 221.626181][ T6413] __arm64_sys_mount+0x514/0x5e4 [ 221.626888][ T6413] invoke_syscall+0x98/0x2b8 [ 221.627642][ T6413] el0_svc_common+0x138/0x258 [ 221.628397][ T6413] do_el0_svc+0x58/0x14c [ 221.629084][ T6413] el0_svc+0x78/0x1e0 [ 221.629753][ T6413] el0t_64_sync_handler+0xcc/0xe4 [ 221.630539][ T6413] el0t_64_sync+0x1a0/0x1a4 [ 221.632767][ T6413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.634902][ T6413] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.770289][ T6415] loop1: detected capacity change from 0 to 32768 [ 221.811736][ T6415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.812954][ T6415] CPU: 0 PID: 6415 Comm: syz.1.636 Not tainted syzkaller #0 [ 221.814050][ T6415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.815604][ T6415] Call trace: [ 221.816057][ T6415] dump_backtrace+0x0/0x43c [ 221.816743][ T6415] show_stack+0x2c/0x3c [ 221.817430][ T6415] __dump_stack+0x30/0x40 [ 221.818135][ T6415] dump_stack_lvl+0xf8/0x160 [ 221.818896][ T6415] dump_stack+0x1c/0x5c [ 221.819537][ T6415] sysfs_create_dir_ns+0x22c/0x24c [ 221.820284][ T6415] kobject_add_internal+0x590/0xc54 [ 221.821049][ T6415] kobject_init_and_add+0x118/0x17c [ 221.821937][ T6415] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.822688][ T6415] gfs2_fill_super+0xdac/0x19e0 [ 221.823477][ T6415] get_tree_bdev+0x358/0x544 [ 221.824256][ T6415] gfs2_get_tree+0x54/0x1b4 [ 221.825031][ T6415] vfs_get_tree+0x90/0x274 [ 221.825707][ T6415] do_new_mount+0x228/0x810 [ 221.826444][ T6415] path_mount+0x5b4/0x1000 [ 221.827141][ T6415] __arm64_sys_mount+0x514/0x5e4 [ 221.827955][ T6415] invoke_syscall+0x98/0x2b8 [ 221.828755][ T6415] el0_svc_common+0x138/0x258 [ 221.829529][ T6415] do_el0_svc+0x58/0x14c [ 221.830227][ T6415] el0_svc+0x78/0x1e0 [ 221.830863][ T6415] el0t_64_sync_handler+0xcc/0xe4 [ 221.831649][ T6415] el0t_64_sync+0x1a0/0x1a4 [ 221.835767][ T6415] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.837813][ T6415] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.984299][ T6417] loop1: detected capacity change from 0 to 32768 [ 222.035198][ T6417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.036388][ T6417] CPU: 1 PID: 6417 Comm: syz.1.637 Not tainted syzkaller #0 [ 222.037426][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.039048][ T6417] Call trace: [ 222.039566][ T6417] dump_backtrace+0x0/0x43c [ 222.040309][ T6417] show_stack+0x2c/0x3c [ 222.041001][ T6417] __dump_stack+0x30/0x40 [ 222.041745][ T6417] dump_stack_lvl+0xf8/0x160 [ 222.042503][ T6417] dump_stack+0x1c/0x5c [ 222.043192][ T6417] sysfs_create_dir_ns+0x22c/0x24c [ 222.044023][ T6417] kobject_add_internal+0x590/0xc54 [ 222.044901][ T6417] kobject_init_and_add+0x118/0x17c [ 222.045783][ T6417] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.046600][ T6417] gfs2_fill_super+0xdac/0x19e0 [ 222.047364][ T6417] get_tree_bdev+0x358/0x544 [ 222.048087][ T6417] gfs2_get_tree+0x54/0x1b4 [ 222.048810][ T6417] vfs_get_tree+0x90/0x274 [ 222.049526][ T6417] do_new_mount+0x228/0x810 [ 222.050286][ T6417] path_mount+0x5b4/0x1000 [ 222.051037][ T6417] __arm64_sys_mount+0x514/0x5e4 [ 222.051875][ T6417] invoke_syscall+0x98/0x2b8 [ 222.052577][ T6417] el0_svc_common+0x138/0x258 [ 222.053348][ T6417] do_el0_svc+0x58/0x14c [ 222.054068][ T6417] el0_svc+0x78/0x1e0 [ 222.054722][ T6417] el0t_64_sync_handler+0xcc/0xe4 [ 222.055531][ T6417] el0t_64_sync+0x1a0/0x1a4 [ 222.057948][ T6417] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.060177][ T6417] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.261536][ T6419] loop1: detected capacity change from 0 to 32768 [ 222.315329][ T6419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.316576][ T6419] CPU: 1 PID: 6419 Comm: syz.1.638 Not tainted syzkaller #0 [ 222.317684][ T6419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.319139][ T6419] Call trace: [ 222.319598][ T6419] dump_backtrace+0x0/0x43c [ 222.320249][ T6419] show_stack+0x2c/0x3c [ 222.320849][ T6419] __dump_stack+0x30/0x40 [ 222.321517][ T6419] dump_stack_lvl+0xf8/0x160 [ 222.322212][ T6419] dump_stack+0x1c/0x5c [ 222.322855][ T6419] sysfs_create_dir_ns+0x22c/0x24c [ 222.323540][ T6419] kobject_add_internal+0x590/0xc54 [ 222.324301][ T6419] kobject_init_and_add+0x118/0x17c [ 222.325041][ T6419] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.325705][ T6419] gfs2_fill_super+0xdac/0x19e0 [ 222.326377][ T6419] get_tree_bdev+0x358/0x544 [ 222.327016][ T6419] gfs2_get_tree+0x54/0x1b4 [ 222.327649][ T6419] vfs_get_tree+0x90/0x274 [ 222.328311][ T6419] do_new_mount+0x228/0x810 [ 222.329068][ T6419] path_mount+0x5b4/0x1000 [ 222.329757][ T6419] __arm64_sys_mount+0x514/0x5e4 [ 222.330621][ T6419] invoke_syscall+0x98/0x2b8 [ 222.331389][ T6419] el0_svc_common+0x138/0x258 [ 222.332170][ T6419] do_el0_svc+0x58/0x14c [ 222.332897][ T6419] el0_svc+0x78/0x1e0 [ 222.333515][ T6419] el0t_64_sync_handler+0xcc/0xe4 [ 222.334312][ T6419] el0t_64_sync+0x1a0/0x1a4 [ 222.337015][ T6419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.339056][ T6419] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.339959][ T4087] Bluetooth: hci2: command 0x040f tx timeout [ 222.466362][ T6421] loop1: detected capacity change from 0 to 32768 [ 222.504140][ T6421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.505271][ T6421] CPU: 1 PID: 6421 Comm: syz.1.639 Not tainted syzkaller #0 [ 222.506332][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.507948][ T6421] Call trace: [ 222.508451][ T6421] dump_backtrace+0x0/0x43c [ 222.509122][ T6421] show_stack+0x2c/0x3c [ 222.509785][ T6421] __dump_stack+0x30/0x40 [ 222.510432][ T6421] dump_stack_lvl+0xf8/0x160 [ 222.511118][ T6421] dump_stack+0x1c/0x5c [ 222.511741][ T6421] sysfs_create_dir_ns+0x22c/0x24c [ 222.512500][ T6421] kobject_add_internal+0x590/0xc54 [ 222.513313][ T6421] kobject_init_and_add+0x118/0x17c [ 222.514104][ T6421] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.514872][ T6421] gfs2_fill_super+0xdac/0x19e0 [ 222.515651][ T6421] get_tree_bdev+0x358/0x544 [ 222.516369][ T6421] gfs2_get_tree+0x54/0x1b4 [ 222.517097][ T6421] vfs_get_tree+0x90/0x274 [ 222.517796][ T6421] do_new_mount+0x228/0x810 [ 222.518502][ T6421] path_mount+0x5b4/0x1000 [ 222.519211][ T6421] __arm64_sys_mount+0x514/0x5e4 [ 222.520028][ T6421] invoke_syscall+0x98/0x2b8 [ 222.520822][ T6421] el0_svc_common+0x138/0x258 [ 222.521575][ T6421] do_el0_svc+0x58/0x14c [ 222.522299][ T6421] el0_svc+0x78/0x1e0 [ 222.522974][ T6421] el0t_64_sync_handler+0xcc/0xe4 [ 222.523845][ T6421] el0t_64_sync+0x1a0/0x1a4 [ 222.526011][ T6421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.527960][ T6421] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:42 executed programs: 625 [ 222.665199][ T6423] loop1: detected capacity change from 0 to 32768 [ 222.709100][ T6423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.710397][ T6423] CPU: 0 PID: 6423 Comm: syz.1.640 Not tainted syzkaller #0 [ 222.711556][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.713242][ T6423] Call trace: [ 222.713803][ T6423] dump_backtrace+0x0/0x43c [ 222.714496][ T6423] show_stack+0x2c/0x3c [ 222.715103][ T6423] __dump_stack+0x30/0x40 [ 222.715831][ T6423] dump_stack_lvl+0xf8/0x160 [ 222.716515][ T6423] dump_stack+0x1c/0x5c [ 222.717101][ T6423] sysfs_create_dir_ns+0x22c/0x24c [ 222.717886][ T6423] kobject_add_internal+0x590/0xc54 [ 222.718705][ T6423] kobject_init_and_add+0x118/0x17c [ 222.719572][ T6423] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.720354][ T6423] gfs2_fill_super+0xdac/0x19e0 [ 222.721110][ T6423] get_tree_bdev+0x358/0x544 [ 222.721913][ T6423] gfs2_get_tree+0x54/0x1b4 [ 222.722628][ T6423] vfs_get_tree+0x90/0x274 [ 222.723346][ T6423] do_new_mount+0x228/0x810 [ 222.724075][ T6423] path_mount+0x5b4/0x1000 [ 222.724773][ T6423] __arm64_sys_mount+0x514/0x5e4 [ 222.725487][ T6423] invoke_syscall+0x98/0x2b8 [ 222.726225][ T6423] el0_svc_common+0x138/0x258 [ 222.726948][ T6423] do_el0_svc+0x58/0x14c [ 222.727653][ T6423] el0_svc+0x78/0x1e0 [ 222.728295][ T6423] el0t_64_sync_handler+0xcc/0xe4 [ 222.729117][ T6423] el0t_64_sync+0x1a0/0x1a4 [ 222.734562][ T6423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.736733][ T6423] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.869987][ T6425] loop1: detected capacity change from 0 to 32768 [ 222.877267][ T6425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.878433][ T6425] CPU: 1 PID: 6425 Comm: syz.1.641 Not tainted syzkaller #0 [ 222.879694][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.881237][ T6425] Call trace: [ 222.881725][ T6425] dump_backtrace+0x0/0x43c [ 222.882475][ T6425] show_stack+0x2c/0x3c [ 222.883122][ T6425] __dump_stack+0x30/0x40 [ 222.883779][ T6425] dump_stack_lvl+0xf8/0x160 [ 222.884457][ T6425] dump_stack+0x1c/0x5c [ 222.885051][ T6425] sysfs_create_dir_ns+0x22c/0x24c [ 222.885885][ T6425] kobject_add_internal+0x590/0xc54 [ 222.886743][ T6425] kobject_init_and_add+0x118/0x17c [ 222.887622][ T6425] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.888407][ T6425] gfs2_fill_super+0xdac/0x19e0 [ 222.889158][ T6425] get_tree_bdev+0x358/0x544 [ 222.889981][ T6425] gfs2_get_tree+0x54/0x1b4 [ 222.890731][ T6425] vfs_get_tree+0x90/0x274 [ 222.891468][ T6425] do_new_mount+0x228/0x810 [ 222.892233][ T6425] path_mount+0x5b4/0x1000 [ 222.892989][ T6425] __arm64_sys_mount+0x514/0x5e4 [ 222.893794][ T6425] invoke_syscall+0x98/0x2b8 [ 222.894535][ T6425] el0_svc_common+0x138/0x258 [ 222.895251][ T6425] do_el0_svc+0x58/0x14c [ 222.895887][ T6425] el0_svc+0x78/0x1e0 [ 222.896527][ T6425] el0t_64_sync_handler+0xcc/0xe4 [ 222.897314][ T6425] el0t_64_sync+0x1a0/0x1a4 [ 222.898774][ T6425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.900951][ T6425] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.034458][ T6427] loop1: detected capacity change from 0 to 32768 [ 223.075627][ T6427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.076877][ T6427] CPU: 0 PID: 6427 Comm: syz.1.642 Not tainted syzkaller #0 [ 223.077935][ T6427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.079373][ T6427] Call trace: [ 223.079890][ T6427] dump_backtrace+0x0/0x43c [ 223.080710][ T6427] show_stack+0x2c/0x3c [ 223.081400][ T6427] __dump_stack+0x30/0x40 [ 223.082131][ T6427] dump_stack_lvl+0xf8/0x160 [ 223.082861][ T6427] dump_stack+0x1c/0x5c [ 223.083562][ T6427] sysfs_create_dir_ns+0x22c/0x24c [ 223.084434][ T6427] kobject_add_internal+0x590/0xc54 [ 223.085330][ T6427] kobject_init_and_add+0x118/0x17c [ 223.086260][ T6427] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.087084][ T6427] gfs2_fill_super+0xdac/0x19e0 [ 223.087917][ T6427] get_tree_bdev+0x358/0x544 [ 223.088628][ T6427] gfs2_get_tree+0x54/0x1b4 [ 223.089358][ T6427] vfs_get_tree+0x90/0x274 [ 223.090074][ T6427] do_new_mount+0x228/0x810 [ 223.090716][ T6427] path_mount+0x5b4/0x1000 [ 223.091343][ T6427] __arm64_sys_mount+0x514/0x5e4 [ 223.092121][ T6427] invoke_syscall+0x98/0x2b8 [ 223.092831][ T6427] el0_svc_common+0x138/0x258 [ 223.093503][ T6427] do_el0_svc+0x58/0x14c [ 223.094184][ T6427] el0_svc+0x78/0x1e0 [ 223.094779][ T6427] el0t_64_sync_handler+0xcc/0xe4 [ 223.095530][ T6427] el0t_64_sync+0x1a0/0x1a4 [ 223.097504][ T6427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.099547][ T6427] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.228871][ T6429] loop1: detected capacity change from 0 to 32768 [ 223.270681][ T6429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.271972][ T6429] CPU: 1 PID: 6429 Comm: syz.1.643 Not tainted syzkaller #0 [ 223.273132][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.274938][ T6429] Call trace: [ 223.275460][ T6429] dump_backtrace+0x0/0x43c [ 223.276216][ T6429] show_stack+0x2c/0x3c [ 223.276874][ T6429] __dump_stack+0x30/0x40 [ 223.277563][ T6429] dump_stack_lvl+0xf8/0x160 [ 223.278303][ T6429] dump_stack+0x1c/0x5c [ 223.278918][ T6429] sysfs_create_dir_ns+0x22c/0x24c [ 223.279750][ T6429] kobject_add_internal+0x590/0xc54 [ 223.280649][ T6429] kobject_init_and_add+0x118/0x17c [ 223.281568][ T6429] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.282375][ T6429] gfs2_fill_super+0xdac/0x19e0 [ 223.283161][ T6429] get_tree_bdev+0x358/0x544 [ 223.283934][ T6429] gfs2_get_tree+0x54/0x1b4 [ 223.284677][ T6429] vfs_get_tree+0x90/0x274 [ 223.285463][ T6429] do_new_mount+0x228/0x810 [ 223.286228][ T6429] path_mount+0x5b4/0x1000 [ 223.286935][ T6429] __arm64_sys_mount+0x514/0x5e4 [ 223.287711][ T6429] invoke_syscall+0x98/0x2b8 [ 223.288492][ T6429] el0_svc_common+0x138/0x258 [ 223.289243][ T6429] do_el0_svc+0x58/0x14c [ 223.289973][ T6429] el0_svc+0x78/0x1e0 [ 223.290671][ T6429] el0t_64_sync_handler+0xcc/0xe4 [ 223.291508][ T6429] el0t_64_sync+0x1a0/0x1a4 [ 223.293265][ T6429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.295132][ T6429] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.422392][ T6431] loop1: detected capacity change from 0 to 32768 [ 223.535464][ T6431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.536833][ T6431] CPU: 1 PID: 6431 Comm: syz.1.644 Not tainted syzkaller #0 [ 223.537981][ T6431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.539634][ T6431] Call trace: [ 223.540182][ T6431] dump_backtrace+0x0/0x43c [ 223.540899][ T6431] show_stack+0x2c/0x3c [ 223.541579][ T6431] __dump_stack+0x30/0x40 [ 223.542255][ T6431] dump_stack_lvl+0xf8/0x160 [ 223.542934][ T6431] dump_stack+0x1c/0x5c [ 223.543648][ T6431] sysfs_create_dir_ns+0x22c/0x24c [ 223.544478][ T6431] kobject_add_internal+0x590/0xc54 [ 223.545326][ T6431] kobject_init_and_add+0x118/0x17c [ 223.546212][ T6431] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.547015][ T6431] gfs2_fill_super+0xdac/0x19e0 [ 223.547828][ T6431] get_tree_bdev+0x358/0x544 [ 223.548591][ T6431] gfs2_get_tree+0x54/0x1b4 [ 223.549286][ T6431] vfs_get_tree+0x90/0x274 [ 223.550037][ T6431] do_new_mount+0x228/0x810 [ 223.550774][ T6431] path_mount+0x5b4/0x1000 [ 223.551523][ T6431] __arm64_sys_mount+0x514/0x5e4 [ 223.552364][ T6431] invoke_syscall+0x98/0x2b8 [ 223.553140][ T6431] el0_svc_common+0x138/0x258 [ 223.553985][ T6431] do_el0_svc+0x58/0x14c [ 223.554715][ T6431] el0_svc+0x78/0x1e0 [ 223.555336][ T6431] el0t_64_sync_handler+0xcc/0xe4 [ 223.556097][ T6431] el0t_64_sync+0x1a0/0x1a4 [ 223.557583][ T6431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.560194][ T6431] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.692328][ T6433] loop1: detected capacity change from 0 to 32768 [ 223.741159][ T6433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.742438][ T6433] CPU: 1 PID: 6433 Comm: syz.1.645 Not tainted syzkaller #0 [ 223.743560][ T6433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.745162][ T6433] Call trace: [ 223.745730][ T6433] dump_backtrace+0x0/0x43c [ 223.746486][ T6433] show_stack+0x2c/0x3c [ 223.747175][ T6433] __dump_stack+0x30/0x40 [ 223.747834][ T6433] dump_stack_lvl+0xf8/0x160 [ 223.748579][ T6433] dump_stack+0x1c/0x5c [ 223.749280][ T6433] sysfs_create_dir_ns+0x22c/0x24c [ 223.750161][ T6433] kobject_add_internal+0x590/0xc54 [ 223.751033][ T6433] kobject_init_and_add+0x118/0x17c [ 223.751944][ T6433] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.752782][ T6433] gfs2_fill_super+0xdac/0x19e0 [ 223.753606][ T6433] get_tree_bdev+0x358/0x544 [ 223.754408][ T6433] gfs2_get_tree+0x54/0x1b4 [ 223.755139][ T6433] vfs_get_tree+0x90/0x274 [ 223.755909][ T6433] do_new_mount+0x228/0x810 [ 223.756570][ T6433] path_mount+0x5b4/0x1000 [ 223.757229][ T6433] __arm64_sys_mount+0x514/0x5e4 [ 223.757995][ T6433] invoke_syscall+0x98/0x2b8 [ 223.758798][ T6433] el0_svc_common+0x138/0x258 [ 223.759512][ T6433] do_el0_svc+0x58/0x14c [ 223.760180][ T6433] el0_svc+0x78/0x1e0 [ 223.760759][ T6433] el0t_64_sync_handler+0xcc/0xe4 [ 223.761586][ T6433] el0t_64_sync+0x1a0/0x1a4 [ 223.764036][ T6433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.766114][ T6433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.897136][ T6435] loop1: detected capacity change from 0 to 32768 [ 223.951533][ T6435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.952893][ T6435] CPU: 1 PID: 6435 Comm: syz.1.646 Not tainted syzkaller #0 [ 223.954017][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.955622][ T6435] Call trace: [ 223.956143][ T6435] dump_backtrace+0x0/0x43c [ 223.956843][ T6435] show_stack+0x2c/0x3c [ 223.957439][ T6435] __dump_stack+0x30/0x40 [ 223.958061][ T6435] dump_stack_lvl+0xf8/0x160 [ 223.958747][ T6435] dump_stack+0x1c/0x5c [ 223.959386][ T6435] sysfs_create_dir_ns+0x22c/0x24c [ 223.960197][ T6435] kobject_add_internal+0x590/0xc54 [ 223.961000][ T6435] kobject_init_and_add+0x118/0x17c [ 223.961921][ T6435] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.962670][ T6435] gfs2_fill_super+0xdac/0x19e0 [ 223.963408][ T6435] get_tree_bdev+0x358/0x544 [ 223.964131][ T6435] gfs2_get_tree+0x54/0x1b4 [ 223.964818][ T6435] vfs_get_tree+0x90/0x274 [ 223.965499][ T6435] do_new_mount+0x228/0x810 [ 223.966206][ T6435] path_mount+0x5b4/0x1000 [ 223.966954][ T6435] __arm64_sys_mount+0x514/0x5e4 [ 223.967719][ T6435] invoke_syscall+0x98/0x2b8 [ 223.968463][ T6435] el0_svc_common+0x138/0x258 [ 223.969216][ T6435] do_el0_svc+0x58/0x14c [ 223.969873][ T6435] el0_svc+0x78/0x1e0 [ 223.970573][ T6435] el0t_64_sync_handler+0xcc/0xe4 [ 223.971438][ T6435] el0t_64_sync+0x1a0/0x1a4 [ 223.976602][ T6435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.978483][ T6435] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.105359][ T6437] loop1: detected capacity change from 0 to 32768 [ 224.153891][ T6437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.155030][ T6437] CPU: 1 PID: 6437 Comm: syz.1.647 Not tainted syzkaller #0 [ 224.156116][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.157562][ T6437] Call trace: [ 224.158021][ T6437] dump_backtrace+0x0/0x43c [ 224.158602][ T6437] show_stack+0x2c/0x3c [ 224.159212][ T6437] __dump_stack+0x30/0x40 [ 224.159889][ T6437] dump_stack_lvl+0xf8/0x160 [ 224.160655][ T6437] dump_stack+0x1c/0x5c [ 224.161347][ T6437] sysfs_create_dir_ns+0x22c/0x24c [ 224.162226][ T6437] kobject_add_internal+0x590/0xc54 [ 224.163080][ T6437] kobject_init_and_add+0x118/0x17c [ 224.164017][ T6437] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.164871][ T6437] gfs2_fill_super+0xdac/0x19e0 [ 224.165718][ T6437] get_tree_bdev+0x358/0x544 [ 224.166493][ T6437] gfs2_get_tree+0x54/0x1b4 [ 224.167246][ T6437] vfs_get_tree+0x90/0x274 [ 224.167971][ T6437] do_new_mount+0x228/0x810 [ 224.168672][ T6437] path_mount+0x5b4/0x1000 [ 224.169392][ T6437] __arm64_sys_mount+0x514/0x5e4 [ 224.170230][ T6437] invoke_syscall+0x98/0x2b8 [ 224.170937][ T6437] el0_svc_common+0x138/0x258 [ 224.171698][ T6437] do_el0_svc+0x58/0x14c [ 224.172425][ T6437] el0_svc+0x78/0x1e0 [ 224.173106][ T6437] el0t_64_sync_handler+0xcc/0xe4 [ 224.173927][ T6437] el0t_64_sync+0x1a0/0x1a4 [ 224.176186][ T6437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.178115][ T6437] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.305895][ T6439] loop1: detected capacity change from 0 to 32768 [ 224.392251][ T6439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.393492][ T6439] CPU: 0 PID: 6439 Comm: syz.1.648 Not tainted syzkaller #0 [ 224.394663][ T6439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.396263][ T6439] Call trace: [ 224.396778][ T6439] dump_backtrace+0x0/0x43c [ 224.397490][ T6439] show_stack+0x2c/0x3c [ 224.398214][ T6439] __dump_stack+0x30/0x40 [ 224.398951][ T6439] dump_stack_lvl+0xf8/0x160 [ 224.399725][ T6439] dump_stack+0x1c/0x5c [ 224.400340][ T6439] sysfs_create_dir_ns+0x22c/0x24c [ 224.401208][ T6439] kobject_add_internal+0x590/0xc54 [ 224.402088][ T6439] kobject_init_and_add+0x118/0x17c [ 224.402911][ T6439] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.403648][ T6439] gfs2_fill_super+0xdac/0x19e0 [ 224.404423][ T6439] get_tree_bdev+0x358/0x544 [ 224.405181][ T6439] gfs2_get_tree+0x54/0x1b4 [ 224.405955][ T6439] vfs_get_tree+0x90/0x274 [ 224.406671][ T6439] do_new_mount+0x228/0x810 [ 224.407424][ T6439] path_mount+0x5b4/0x1000 [ 224.408143][ T6439] __arm64_sys_mount+0x514/0x5e4 [ 224.408974][ T6439] invoke_syscall+0x98/0x2b8 [ 224.409759][ T6439] el0_svc_common+0x138/0x258 [ 224.410561][ T6439] do_el0_svc+0x58/0x14c [ 224.411238][ T6439] el0_svc+0x78/0x1e0 [ 224.411902][ T6439] el0t_64_sync_handler+0xcc/0xe4 [ 224.412612][ T6439] el0t_64_sync+0x1a0/0x1a4 [ 224.413502][ T4259] Bluetooth: hci2: command 0x0419 tx timeout [ 224.414597][ T6439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.416920][ T6439] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.552439][ T6441] loop1: detected capacity change from 0 to 32768 [ 224.590620][ T6441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.591790][ T6441] CPU: 1 PID: 6441 Comm: syz.1.649 Not tainted syzkaller #0 [ 224.592924][ T6441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.594468][ T6441] Call trace: [ 224.594952][ T6441] dump_backtrace+0x0/0x43c [ 224.595644][ T6441] show_stack+0x2c/0x3c [ 224.596313][ T6441] __dump_stack+0x30/0x40 [ 224.597062][ T6441] dump_stack_lvl+0xf8/0x160 [ 224.597845][ T6441] dump_stack+0x1c/0x5c [ 224.598552][ T6441] sysfs_create_dir_ns+0x22c/0x24c [ 224.599374][ T6441] kobject_add_internal+0x590/0xc54 [ 224.600249][ T6441] kobject_init_and_add+0x118/0x17c [ 224.601104][ T6441] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.601867][ T6441] gfs2_fill_super+0xdac/0x19e0 [ 224.602668][ T6441] get_tree_bdev+0x358/0x544 [ 224.603405][ T6441] gfs2_get_tree+0x54/0x1b4 [ 224.604117][ T6441] vfs_get_tree+0x90/0x274 [ 224.604825][ T6441] do_new_mount+0x228/0x810 [ 224.605554][ T6441] path_mount+0x5b4/0x1000 [ 224.606309][ T6441] __arm64_sys_mount+0x514/0x5e4 [ 224.607132][ T6441] invoke_syscall+0x98/0x2b8 [ 224.607947][ T6441] el0_svc_common+0x138/0x258 [ 224.608707][ T6441] do_el0_svc+0x58/0x14c [ 224.609408][ T6441] el0_svc+0x78/0x1e0 [ 224.610007][ T6441] el0t_64_sync_handler+0xcc/0xe4 [ 224.610862][ T6441] el0t_64_sync+0x1a0/0x1a4 [ 224.611787][ T6441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.613876][ T6441] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.747532][ T6443] loop1: detected capacity change from 0 to 32768 [ 224.755128][ T6443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.756288][ T6443] CPU: 0 PID: 6443 Comm: syz.1.650 Not tainted syzkaller #0 [ 224.757282][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.758802][ T6443] Call trace: [ 224.759282][ T6443] dump_backtrace+0x0/0x43c [ 224.759978][ T6443] show_stack+0x2c/0x3c [ 224.760648][ T6443] __dump_stack+0x30/0x40 [ 224.761306][ T6443] dump_stack_lvl+0xf8/0x160 [ 224.762029][ T6443] dump_stack+0x1c/0x5c [ 224.762718][ T6443] sysfs_create_dir_ns+0x22c/0x24c [ 224.763558][ T6443] kobject_add_internal+0x590/0xc54 [ 224.764444][ T6443] kobject_init_and_add+0x118/0x17c [ 224.765344][ T6443] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.766169][ T6443] gfs2_fill_super+0xdac/0x19e0 [ 224.766944][ T6443] get_tree_bdev+0x358/0x544 [ 224.767723][ T6443] gfs2_get_tree+0x54/0x1b4 [ 224.768460][ T6443] vfs_get_tree+0x90/0x274 [ 224.769135][ T6443] do_new_mount+0x228/0x810 [ 224.769817][ T6443] path_mount+0x5b4/0x1000 [ 224.770570][ T6443] __arm64_sys_mount+0x514/0x5e4 [ 224.771365][ T6443] invoke_syscall+0x98/0x2b8 [ 224.772133][ T6443] el0_svc_common+0x138/0x258 [ 224.772911][ T6443] do_el0_svc+0x58/0x14c [ 224.773706][ T6443] el0_svc+0x78/0x1e0 [ 224.774344][ T6443] el0t_64_sync_handler+0xcc/0xe4 [ 224.775128][ T6443] el0t_64_sync+0x1a0/0x1a4 [ 224.777252][ T6443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.779559][ T6443] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.921728][ T6445] loop1: detected capacity change from 0 to 32768 [ 224.984957][ T6445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.986185][ T6445] CPU: 1 PID: 6445 Comm: syz.1.651 Not tainted syzkaller #0 [ 224.987331][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.988942][ T6445] Call trace: [ 224.989495][ T6445] dump_backtrace+0x0/0x43c [ 224.990227][ T6445] show_stack+0x2c/0x3c [ 224.990866][ T6445] __dump_stack+0x30/0x40 [ 224.991525][ T6445] dump_stack_lvl+0xf8/0x160 [ 224.992353][ T6445] dump_stack+0x1c/0x5c [ 224.993089][ T6445] sysfs_create_dir_ns+0x22c/0x24c [ 224.993931][ T6445] kobject_add_internal+0x590/0xc54 [ 224.994788][ T6445] kobject_init_and_add+0x118/0x17c [ 224.995717][ T6445] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.996474][ T6445] gfs2_fill_super+0xdac/0x19e0 [ 224.997216][ T6445] get_tree_bdev+0x358/0x544 [ 224.997984][ T6445] gfs2_get_tree+0x54/0x1b4 [ 224.998708][ T6445] vfs_get_tree+0x90/0x274 [ 224.999487][ T6445] do_new_mount+0x228/0x810 [ 225.000240][ T6445] path_mount+0x5b4/0x1000 [ 225.000991][ T6445] __arm64_sys_mount+0x514/0x5e4 [ 225.001790][ T6445] invoke_syscall+0x98/0x2b8 [ 225.002584][ T6445] el0_svc_common+0x138/0x258 [ 225.003379][ T6445] do_el0_svc+0x58/0x14c [ 225.004065][ T6445] el0_svc+0x78/0x1e0 [ 225.004708][ T6445] el0t_64_sync_handler+0xcc/0xe4 [ 225.005554][ T6445] el0t_64_sync+0x1a0/0x1a4 [ 225.007990][ T6445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.010049][ T6445] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.140468][ T6447] loop1: detected capacity change from 0 to 32768 [ 225.235162][ T6447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.236372][ T6447] CPU: 1 PID: 6447 Comm: syz.1.652 Not tainted syzkaller #0 [ 225.237510][ T6447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.239083][ T6447] Call trace: [ 225.239604][ T6447] dump_backtrace+0x0/0x43c [ 225.240378][ T6447] show_stack+0x2c/0x3c [ 225.241034][ T6447] __dump_stack+0x30/0x40 [ 225.241736][ T6447] dump_stack_lvl+0xf8/0x160 [ 225.242454][ T6447] dump_stack+0x1c/0x5c [ 225.243092][ T6447] sysfs_create_dir_ns+0x22c/0x24c [ 225.243884][ T6447] kobject_add_internal+0x590/0xc54 [ 225.244717][ T6447] kobject_init_and_add+0x118/0x17c [ 225.245550][ T6447] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.246328][ T6447] gfs2_fill_super+0xdac/0x19e0 [ 225.247108][ T6447] get_tree_bdev+0x358/0x544 [ 225.247818][ T6447] gfs2_get_tree+0x54/0x1b4 [ 225.248582][ T6447] vfs_get_tree+0x90/0x274 [ 225.249365][ T6447] do_new_mount+0x228/0x810 [ 225.250054][ T6447] path_mount+0x5b4/0x1000 [ 225.250787][ T6447] __arm64_sys_mount+0x514/0x5e4 [ 225.251588][ T6447] invoke_syscall+0x98/0x2b8 [ 225.252385][ T6447] el0_svc_common+0x138/0x258 [ 225.253169][ T6447] do_el0_svc+0x58/0x14c [ 225.253859][ T6447] el0_svc+0x78/0x1e0 [ 225.254461][ T6447] el0t_64_sync_handler+0xcc/0xe4 [ 225.255241][ T6447] el0t_64_sync+0x1a0/0x1a4 [ 225.257669][ T6447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.259772][ T6447] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.387369][ T6449] loop1: detected capacity change from 0 to 32768 [ 225.420581][ T6449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.421807][ T6449] CPU: 0 PID: 6449 Comm: syz.1.653 Not tainted syzkaller #0 [ 225.422892][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.424289][ T6449] Call trace: [ 225.424733][ T6449] dump_backtrace+0x0/0x43c [ 225.425569][ T6449] show_stack+0x2c/0x3c [ 225.426236][ T6449] __dump_stack+0x30/0x40 [ 225.426950][ T6449] dump_stack_lvl+0xf8/0x160 [ 225.427692][ T6449] dump_stack+0x1c/0x5c [ 225.428360][ T6449] sysfs_create_dir_ns+0x22c/0x24c [ 225.429182][ T6449] kobject_add_internal+0x590/0xc54 [ 225.429971][ T6449] kobject_init_and_add+0x118/0x17c [ 225.430849][ T6449] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.431608][ T6449] gfs2_fill_super+0xdac/0x19e0 [ 225.432375][ T6449] get_tree_bdev+0x358/0x544 [ 225.433135][ T6449] gfs2_get_tree+0x54/0x1b4 [ 225.433890][ T6449] vfs_get_tree+0x90/0x274 [ 225.434561][ T6449] do_new_mount+0x228/0x810 [ 225.435382][ T6449] path_mount+0x5b4/0x1000 [ 225.436051][ T6449] __arm64_sys_mount+0x514/0x5e4 [ 225.436834][ T6449] invoke_syscall+0x98/0x2b8 [ 225.437604][ T6449] el0_svc_common+0x138/0x258 [ 225.438327][ T6449] do_el0_svc+0x58/0x14c [ 225.439038][ T6449] el0_svc+0x78/0x1e0 [ 225.439701][ T6449] el0t_64_sync_handler+0xcc/0xe4 [ 225.440482][ T6449] el0t_64_sync+0x1a0/0x1a4 [ 225.441376][ T6449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.443284][ T6449] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.571338][ T6451] loop1: detected capacity change from 0 to 32768 [ 225.602984][ T6451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.604378][ T6451] CPU: 1 PID: 6451 Comm: syz.1.654 Not tainted syzkaller #0 [ 225.605569][ T6451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.607179][ T6451] Call trace: [ 225.607726][ T6451] dump_backtrace+0x0/0x43c [ 225.608501][ T6451] show_stack+0x2c/0x3c [ 225.609202][ T6451] __dump_stack+0x30/0x40 [ 225.609960][ T6451] dump_stack_lvl+0xf8/0x160 [ 225.610768][ T6451] dump_stack+0x1c/0x5c [ 225.611446][ T6451] sysfs_create_dir_ns+0x22c/0x24c [ 225.612290][ T6451] kobject_add_internal+0x590/0xc54 [ 225.613130][ T6451] kobject_init_and_add+0x118/0x17c [ 225.613942][ T6451] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.614729][ T6451] gfs2_fill_super+0xdac/0x19e0 [ 225.615462][ T6451] get_tree_bdev+0x358/0x544 [ 225.616158][ T6451] gfs2_get_tree+0x54/0x1b4 [ 225.616892][ T6451] vfs_get_tree+0x90/0x274 [ 225.617615][ T6451] do_new_mount+0x228/0x810 [ 225.618326][ T6451] path_mount+0x5b4/0x1000 [ 225.618993][ T6451] __arm64_sys_mount+0x514/0x5e4 [ 225.619811][ T6451] invoke_syscall+0x98/0x2b8 [ 225.620588][ T6451] el0_svc_common+0x138/0x258 [ 225.621321][ T6451] do_el0_svc+0x58/0x14c [ 225.621987][ T6451] el0_svc+0x78/0x1e0 [ 225.622639][ T6451] el0t_64_sync_handler+0xcc/0xe4 [ 225.623464][ T6451] el0t_64_sync+0x1a0/0x1a4 [ 225.625183][ T6451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.627087][ T6451] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.756011][ T6453] loop1: detected capacity change from 0 to 32768 [ 225.831455][ T6453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.832671][ T6453] CPU: 0 PID: 6453 Comm: syz.1.655 Not tainted syzkaller #0 [ 225.833802][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.835512][ T6453] Call trace: [ 225.836104][ T6453] dump_backtrace+0x0/0x43c [ 225.836852][ T6453] show_stack+0x2c/0x3c [ 225.837450][ T6453] __dump_stack+0x30/0x40 [ 225.838089][ T6453] dump_stack_lvl+0xf8/0x160 [ 225.838836][ T6453] dump_stack+0x1c/0x5c [ 225.839432][ T6453] sysfs_create_dir_ns+0x22c/0x24c [ 225.840299][ T6453] kobject_add_internal+0x590/0xc54 [ 225.841097][ T6453] kobject_init_and_add+0x118/0x17c [ 225.841894][ T6453] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.842586][ T6453] gfs2_fill_super+0xdac/0x19e0 [ 225.843316][ T6453] get_tree_bdev+0x358/0x544 [ 225.844044][ T6453] gfs2_get_tree+0x54/0x1b4 [ 225.844730][ T6453] vfs_get_tree+0x90/0x274 [ 225.845357][ T6453] do_new_mount+0x228/0x810 [ 225.846064][ T6453] path_mount+0x5b4/0x1000 [ 225.846727][ T6453] __arm64_sys_mount+0x514/0x5e4 [ 225.847463][ T6453] invoke_syscall+0x98/0x2b8 [ 225.848129][ T6453] el0_svc_common+0x138/0x258 [ 225.848885][ T6453] do_el0_svc+0x58/0x14c [ 225.849591][ T6453] el0_svc+0x78/0x1e0 [ 225.850230][ T6453] el0t_64_sync_handler+0xcc/0xe4 [ 225.851074][ T6453] el0t_64_sync+0x1a0/0x1a4 [ 225.853365][ T6453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.855503][ T6453] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.989353][ T6455] loop1: detected capacity change from 0 to 32768 [ 226.061103][ T6455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.062306][ T6455] CPU: 1 PID: 6455 Comm: syz.1.656 Not tainted syzkaller #0 [ 226.063404][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.064856][ T6455] Call trace: [ 226.065357][ T6455] dump_backtrace+0x0/0x43c [ 226.066061][ T6455] show_stack+0x2c/0x3c [ 226.066694][ T6455] __dump_stack+0x30/0x40 [ 226.067337][ T6455] dump_stack_lvl+0xf8/0x160 [ 226.068052][ T6455] dump_stack+0x1c/0x5c [ 226.068745][ T6455] sysfs_create_dir_ns+0x22c/0x24c [ 226.069596][ T6455] kobject_add_internal+0x590/0xc54 [ 226.070478][ T6455] kobject_init_and_add+0x118/0x17c [ 226.071364][ T6455] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.072211][ T6455] gfs2_fill_super+0xdac/0x19e0 [ 226.073048][ T6455] get_tree_bdev+0x358/0x544 [ 226.073826][ T6455] gfs2_get_tree+0x54/0x1b4 [ 226.074560][ T6455] vfs_get_tree+0x90/0x274 [ 226.075298][ T6455] do_new_mount+0x228/0x810 [ 226.076008][ T6455] path_mount+0x5b4/0x1000 [ 226.076703][ T6455] __arm64_sys_mount+0x514/0x5e4 [ 226.077584][ T6455] invoke_syscall+0x98/0x2b8 [ 226.078353][ T6455] el0_svc_common+0x138/0x258 [ 226.079092][ T6455] do_el0_svc+0x58/0x14c [ 226.079772][ T6455] el0_svc+0x78/0x1e0 [ 226.080466][ T6455] el0t_64_sync_handler+0xcc/0xe4 [ 226.081292][ T6455] el0t_64_sync+0x1a0/0x1a4 [ 226.082550][ T6455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.084603][ T6455] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.216374][ T6457] loop1: detected capacity change from 0 to 32768 [ 226.254057][ T6457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.255269][ T6457] CPU: 1 PID: 6457 Comm: syz.1.657 Not tainted syzkaller #0 [ 226.256330][ T6457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.257970][ T6457] Call trace: [ 226.258490][ T6457] dump_backtrace+0x0/0x43c [ 226.259266][ T6457] show_stack+0x2c/0x3c [ 226.259947][ T6457] __dump_stack+0x30/0x40 [ 226.260650][ T6457] dump_stack_lvl+0xf8/0x160 [ 226.261437][ T6457] dump_stack+0x1c/0x5c [ 226.262124][ T6457] sysfs_create_dir_ns+0x22c/0x24c [ 226.262923][ T6457] kobject_add_internal+0x590/0xc54 [ 226.263777][ T6457] kobject_init_and_add+0x118/0x17c [ 226.264650][ T6457] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.265410][ T6457] gfs2_fill_super+0xdac/0x19e0 [ 226.266177][ T6457] get_tree_bdev+0x358/0x544 [ 226.266905][ T6457] gfs2_get_tree+0x54/0x1b4 [ 226.267627][ T6457] vfs_get_tree+0x90/0x274 [ 226.268347][ T6457] do_new_mount+0x228/0x810 [ 226.269078][ T6457] path_mount+0x5b4/0x1000 [ 226.269855][ T6457] __arm64_sys_mount+0x514/0x5e4 [ 226.270677][ T6457] invoke_syscall+0x98/0x2b8 [ 226.271438][ T6457] el0_svc_common+0x138/0x258 [ 226.272204][ T6457] do_el0_svc+0x58/0x14c [ 226.272943][ T6457] el0_svc+0x78/0x1e0 [ 226.273554][ T6457] el0t_64_sync_handler+0xcc/0xe4 [ 226.274460][ T6457] el0t_64_sync+0x1a0/0x1a4 [ 226.276639][ T6457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.278602][ T6457] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.407172][ T6459] loop1: detected capacity change from 0 to 32768 [ 226.491430][ T6459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.492797][ T6459] CPU: 0 PID: 6459 Comm: syz.1.658 Not tainted syzkaller #0 [ 226.493969][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.495628][ T6459] Call trace: [ 226.496173][ T6459] dump_backtrace+0x0/0x43c [ 226.496916][ T6459] show_stack+0x2c/0x3c [ 226.497616][ T6459] __dump_stack+0x30/0x40 [ 226.498271][ T6459] dump_stack_lvl+0xf8/0x160 [ 226.498948][ T6459] dump_stack+0x1c/0x5c [ 226.499730][ T6459] sysfs_create_dir_ns+0x22c/0x24c [ 226.500563][ T6459] kobject_add_internal+0x590/0xc54 [ 226.501427][ T6459] kobject_init_and_add+0x118/0x17c [ 226.502281][ T6459] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.503029][ T6459] gfs2_fill_super+0xdac/0x19e0 [ 226.503823][ T6459] get_tree_bdev+0x358/0x544 [ 226.504597][ T6459] gfs2_get_tree+0x54/0x1b4 [ 226.505379][ T6459] vfs_get_tree+0x90/0x274 [ 226.506151][ T6459] do_new_mount+0x228/0x810 [ 226.506864][ T6459] path_mount+0x5b4/0x1000 [ 226.507617][ T6459] __arm64_sys_mount+0x514/0x5e4 [ 226.508479][ T6459] invoke_syscall+0x98/0x2b8 [ 226.509247][ T6459] el0_svc_common+0x138/0x258 [ 226.510007][ T6459] do_el0_svc+0x58/0x14c [ 226.510693][ T6459] el0_svc+0x78/0x1e0 [ 226.511292][ T6459] el0t_64_sync_handler+0xcc/0xe4 [ 226.512094][ T6459] el0t_64_sync+0x1a0/0x1a4 [ 226.514168][ T6459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.516272][ T6459] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.744687][ T6461] loop1: detected capacity change from 0 to 32768 [ 226.785414][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.786662][ T6461] CPU: 1 PID: 6461 Comm: syz.1.659 Not tainted syzkaller #0 [ 226.787802][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.789291][ T6461] Call trace: [ 226.789791][ T6461] dump_backtrace+0x0/0x43c [ 226.790461][ T6461] show_stack+0x2c/0x3c [ 226.791056][ T6461] __dump_stack+0x30/0x40 [ 226.791698][ T6461] dump_stack_lvl+0xf8/0x160 [ 226.792375][ T6461] dump_stack+0x1c/0x5c [ 226.793073][ T6461] sysfs_create_dir_ns+0x22c/0x24c [ 226.793970][ T6461] kobject_add_internal+0x590/0xc54 [ 226.794806][ T6461] kobject_init_and_add+0x118/0x17c [ 226.795676][ T6461] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.796483][ T6461] gfs2_fill_super+0xdac/0x19e0 [ 226.797309][ T6461] get_tree_bdev+0x358/0x544 [ 226.798158][ T6461] gfs2_get_tree+0x54/0x1b4 [ 226.798825][ T6461] vfs_get_tree+0x90/0x274 [ 226.799514][ T6461] do_new_mount+0x228/0x810 [ 226.800210][ T6461] path_mount+0x5b4/0x1000 [ 226.800918][ T6461] __arm64_sys_mount+0x514/0x5e4 [ 226.801656][ T6461] invoke_syscall+0x98/0x2b8 [ 226.802480][ T6461] el0_svc_common+0x138/0x258 [ 226.803256][ T6461] do_el0_svc+0x58/0x14c [ 226.803977][ T6461] el0_svc+0x78/0x1e0 [ 226.804624][ T6461] el0t_64_sync_handler+0xcc/0xe4 [ 226.805445][ T6461] el0t_64_sync+0x1a0/0x1a4 [ 226.806333][ T6461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.808421][ T6461] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.941515][ T6463] loop1: detected capacity change from 0 to 32768 [ 226.994176][ T6463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.995372][ T6463] CPU: 1 PID: 6463 Comm: syz.1.660 Not tainted syzkaller #0 [ 226.996395][ T6463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.997826][ T6463] Call trace: [ 226.998293][ T6463] dump_backtrace+0x0/0x43c [ 226.998942][ T6463] show_stack+0x2c/0x3c [ 226.999505][ T6463] __dump_stack+0x30/0x40 [ 227.000128][ T6463] dump_stack_lvl+0xf8/0x160 [ 227.000804][ T6463] dump_stack+0x1c/0x5c [ 227.001380][ T6463] sysfs_create_dir_ns+0x22c/0x24c [ 227.002085][ T6463] kobject_add_internal+0x590/0xc54 [ 227.002848][ T6463] kobject_init_and_add+0x118/0x17c [ 227.003628][ T6463] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.004341][ T6463] gfs2_fill_super+0xdac/0x19e0 [ 227.005014][ T6463] get_tree_bdev+0x358/0x544 [ 227.005780][ T6463] gfs2_get_tree+0x54/0x1b4 [ 227.006425][ T6463] vfs_get_tree+0x90/0x274 [ 227.007107][ T6463] do_new_mount+0x228/0x810 [ 227.007823][ T6463] path_mount+0x5b4/0x1000 [ 227.008489][ T6463] __arm64_sys_mount+0x514/0x5e4 [ 227.009259][ T6463] invoke_syscall+0x98/0x2b8 [ 227.009962][ T6463] el0_svc_common+0x138/0x258 [ 227.010767][ T6463] do_el0_svc+0x58/0x14c [ 227.011437][ T6463] el0_svc+0x78/0x1e0 [ 227.012059][ T6463] el0t_64_sync_handler+0xcc/0xe4 [ 227.012890][ T6463] el0t_64_sync+0x1a0/0x1a4 [ 227.013908][ T6463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.016025][ T6463] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.150589][ T6465] loop1: detected capacity change from 0 to 32768 [ 227.210968][ T6465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.212220][ T6465] CPU: 1 PID: 6465 Comm: syz.1.661 Not tainted syzkaller #0 [ 227.213305][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.214718][ T6465] Call trace: [ 227.215171][ T6465] dump_backtrace+0x0/0x43c [ 227.215924][ T6465] show_stack+0x2c/0x3c [ 227.216548][ T6465] __dump_stack+0x30/0x40 [ 227.217264][ T6465] dump_stack_lvl+0xf8/0x160 [ 227.218030][ T6465] dump_stack+0x1c/0x5c [ 227.218722][ T6465] sysfs_create_dir_ns+0x22c/0x24c [ 227.219515][ T6465] kobject_add_internal+0x590/0xc54 [ 227.220310][ T6465] kobject_init_and_add+0x118/0x17c [ 227.221093][ T6465] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.221829][ T6465] gfs2_fill_super+0xdac/0x19e0 [ 227.222606][ T6465] get_tree_bdev+0x358/0x544 [ 227.223332][ T6465] gfs2_get_tree+0x54/0x1b4 [ 227.224000][ T6465] vfs_get_tree+0x90/0x274 [ 227.224657][ T6465] do_new_mount+0x228/0x810 [ 227.225413][ T6465] path_mount+0x5b4/0x1000 [ 227.226097][ T6465] __arm64_sys_mount+0x514/0x5e4 [ 227.226916][ T6465] invoke_syscall+0x98/0x2b8 [ 227.227687][ T6465] el0_svc_common+0x138/0x258 [ 227.228392][ T6465] do_el0_svc+0x58/0x14c [ 227.229028][ T6465] el0_svc+0x78/0x1e0 [ 227.229607][ T6465] el0t_64_sync_handler+0xcc/0xe4 [ 227.230419][ T6465] el0t_64_sync+0x1a0/0x1a4 [ 227.231396][ T6465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.233415][ T6465] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.393167][ T6467] loop1: detected capacity change from 0 to 32768 [ 227.400581][ T6467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.401867][ T6467] CPU: 1 PID: 6467 Comm: syz.1.662 Not tainted syzkaller #0 [ 227.403044][ T6467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.404632][ T6467] Call trace: [ 227.405129][ T6467] dump_backtrace+0x0/0x43c [ 227.405787][ T6467] show_stack+0x2c/0x3c [ 227.406399][ T6467] __dump_stack+0x30/0x40 [ 227.407034][ T6467] dump_stack_lvl+0xf8/0x160 [ 227.407702][ T6467] dump_stack+0x1c/0x5c [ 227.408302][ T6467] sysfs_create_dir_ns+0x22c/0x24c [ 227.409045][ T6467] kobject_add_internal+0x590/0xc54 [ 227.409867][ T6467] kobject_init_and_add+0x118/0x17c [ 227.410615][ T6467] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.411371][ T6467] gfs2_fill_super+0xdac/0x19e0 [ 227.412149][ T6467] get_tree_bdev+0x358/0x544 [ 227.412882][ T6467] gfs2_get_tree+0x54/0x1b4 [ 227.413659][ T6467] vfs_get_tree+0x90/0x274 [ 227.414324][ T6467] do_new_mount+0x228/0x810 [ 227.415029][ T6467] path_mount+0x5b4/0x1000 [ 227.415725][ T6467] __arm64_sys_mount+0x514/0x5e4 [ 227.416506][ T6467] invoke_syscall+0x98/0x2b8 [ 227.417226][ T6467] el0_svc_common+0x138/0x258 [ 227.417987][ T6467] do_el0_svc+0x58/0x14c [ 227.418706][ T6467] el0_svc+0x78/0x1e0 [ 227.419379][ T6467] el0t_64_sync_handler+0xcc/0xe4 [ 227.420235][ T6467] el0t_64_sync+0x1a0/0x1a4 [ 227.421098][ T6467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.423147][ T6467] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.561256][ T6469] loop1: detected capacity change from 0 to 32768 [ 227.631805][ T6469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.633032][ T6469] CPU: 1 PID: 6469 Comm: syz.1.663 Not tainted syzkaller #0 [ 227.634113][ T6469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.635679][ T6469] Call trace: [ 227.636210][ T6469] dump_backtrace+0x0/0x43c [ 227.636929][ T6469] show_stack+0x2c/0x3c [ 227.637626][ T6469] __dump_stack+0x30/0x40 [ 227.638348][ T6469] dump_stack_lvl+0xf8/0x160 [ 227.639102][ T6469] dump_stack+0x1c/0x5c [ 227.639748][ T6469] sysfs_create_dir_ns+0x22c/0x24c [ 227.640522][ T6469] kobject_add_internal+0x590/0xc54 [ 227.641421][ T6469] kobject_init_and_add+0x118/0x17c [ 227.642262][ T6469] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.643082][ T6469] gfs2_fill_super+0xdac/0x19e0 [ 227.643773][ T6469] get_tree_bdev+0x358/0x544 [ 227.644439][ T6469] gfs2_get_tree+0x54/0x1b4 [ 227.645161][ T6469] vfs_get_tree+0x90/0x274 [ 227.645911][ T6469] do_new_mount+0x228/0x810 [ 227.646669][ T6469] path_mount+0x5b4/0x1000 [ 227.647379][ T6469] __arm64_sys_mount+0x514/0x5e4 [ 227.648197][ T6469] invoke_syscall+0x98/0x2b8 [ 227.648898][ T6469] el0_svc_common+0x138/0x258 [ 227.649641][ T6469] do_el0_svc+0x58/0x14c [ 227.650309][ T6469] el0_svc+0x78/0x1e0 [ 227.650942][ T6469] el0t_64_sync_handler+0xcc/0xe4 [ 227.651799][ T6469] el0t_64_sync+0x1a0/0x1a4 [ 227.652899][ T6469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.655457][ T6469] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:47 executed programs: 649 [ 227.794045][ T6471] loop1: detected capacity change from 0 to 32768 [ 227.845140][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.846465][ T6471] CPU: 1 PID: 6471 Comm: syz.1.664 Not tainted syzkaller #0 [ 227.847569][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.849078][ T6471] Call trace: [ 227.849610][ T6471] dump_backtrace+0x0/0x43c [ 227.850253][ T6471] show_stack+0x2c/0x3c [ 227.851001][ T6471] __dump_stack+0x30/0x40 [ 227.851735][ T6471] dump_stack_lvl+0xf8/0x160 [ 227.852541][ T6471] dump_stack+0x1c/0x5c [ 227.853264][ T6471] sysfs_create_dir_ns+0x22c/0x24c [ 227.854065][ T6471] kobject_add_internal+0x590/0xc54 [ 227.854948][ T6471] kobject_init_and_add+0x118/0x17c [ 227.855770][ T6471] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.856505][ T6471] gfs2_fill_super+0xdac/0x19e0 [ 227.857293][ T6471] get_tree_bdev+0x358/0x544 [ 227.858026][ T6471] gfs2_get_tree+0x54/0x1b4 [ 227.858698][ T6471] vfs_get_tree+0x90/0x274 [ 227.859429][ T6471] do_new_mount+0x228/0x810 [ 227.860195][ T6471] path_mount+0x5b4/0x1000 [ 227.860886][ T6471] __arm64_sys_mount+0x514/0x5e4 [ 227.861624][ T6471] invoke_syscall+0x98/0x2b8 [ 227.862294][ T6471] el0_svc_common+0x138/0x258 [ 227.863021][ T6471] do_el0_svc+0x58/0x14c [ 227.863677][ T6471] el0_svc+0x78/0x1e0 [ 227.864235][ T6471] el0t_64_sync_handler+0xcc/0xe4 [ 227.865014][ T6471] el0t_64_sync+0x1a0/0x1a4 [ 227.867398][ T6471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.869503][ T6471] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.043127][ T6473] loop1: detected capacity change from 0 to 32768 [ 228.080757][ T6473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.082070][ T6473] CPU: 0 PID: 6473 Comm: syz.1.665 Not tainted syzkaller #0 [ 228.083202][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.084733][ T6473] Call trace: [ 228.085216][ T6473] dump_backtrace+0x0/0x43c [ 228.085914][ T6473] show_stack+0x2c/0x3c [ 228.086494][ T6473] __dump_stack+0x30/0x40 [ 228.087142][ T6473] dump_stack_lvl+0xf8/0x160 [ 228.087833][ T6473] dump_stack+0x1c/0x5c [ 228.088425][ T6473] sysfs_create_dir_ns+0x22c/0x24c [ 228.089211][ T6473] kobject_add_internal+0x590/0xc54 [ 228.089944][ T6473] kobject_init_and_add+0x118/0x17c [ 228.090713][ T6473] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.091384][ T6473] gfs2_fill_super+0xdac/0x19e0 [ 228.092216][ T6473] get_tree_bdev+0x358/0x544 [ 228.092929][ T6473] gfs2_get_tree+0x54/0x1b4 [ 228.093643][ T6473] vfs_get_tree+0x90/0x274 [ 228.094352][ T6473] do_new_mount+0x228/0x810 [ 228.095103][ T6473] path_mount+0x5b4/0x1000 [ 228.095804][ T6473] __arm64_sys_mount+0x514/0x5e4 [ 228.096568][ T6473] invoke_syscall+0x98/0x2b8 [ 228.097344][ T6473] el0_svc_common+0x138/0x258 [ 228.098098][ T6473] do_el0_svc+0x58/0x14c [ 228.098806][ T6473] el0_svc+0x78/0x1e0 [ 228.099515][ T6473] el0t_64_sync_handler+0xcc/0xe4 [ 228.100364][ T6473] el0t_64_sync+0x1a0/0x1a4 [ 228.102154][ T6473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.104335][ T6473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.230320][ T6475] loop1: detected capacity change from 0 to 32768 [ 228.322346][ T6475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.323549][ T6475] CPU: 1 PID: 6475 Comm: syz.1.666 Not tainted syzkaller #0 [ 228.324760][ T6475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.326308][ T6475] Call trace: [ 228.326819][ T6475] dump_backtrace+0x0/0x43c [ 228.327566][ T6475] show_stack+0x2c/0x3c [ 228.328230][ T6475] __dump_stack+0x30/0x40 [ 228.328848][ T6475] dump_stack_lvl+0xf8/0x160 [ 228.329521][ T6475] dump_stack+0x1c/0x5c [ 228.330169][ T6475] sysfs_create_dir_ns+0x22c/0x24c [ 228.331027][ T6475] kobject_add_internal+0x590/0xc54 [ 228.331829][ T6475] kobject_init_and_add+0x118/0x17c [ 228.332654][ T6475] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.333371][ T6475] gfs2_fill_super+0xdac/0x19e0 [ 228.334145][ T6475] get_tree_bdev+0x358/0x544 [ 228.334867][ T6475] gfs2_get_tree+0x54/0x1b4 [ 228.335565][ T6475] vfs_get_tree+0x90/0x274 [ 228.336269][ T6475] do_new_mount+0x228/0x810 [ 228.337011][ T6475] path_mount+0x5b4/0x1000 [ 228.337720][ T6475] __arm64_sys_mount+0x514/0x5e4 [ 228.338512][ T6475] invoke_syscall+0x98/0x2b8 [ 228.339327][ T6475] el0_svc_common+0x138/0x258 [ 228.340094][ T6475] do_el0_svc+0x58/0x14c [ 228.340780][ T6475] el0_svc+0x78/0x1e0 [ 228.341440][ T6475] el0t_64_sync_handler+0xcc/0xe4 [ 228.342237][ T6475] el0t_64_sync+0x1a0/0x1a4 [ 228.344722][ T6475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.346722][ T6475] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.478042][ T6477] loop1: detected capacity change from 0 to 32768 [ 228.485057][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.486427][ T6477] CPU: 0 PID: 6477 Comm: syz.1.667 Not tainted syzkaller #0 [ 228.487596][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.489166][ T6477] Call trace: [ 228.489686][ T6477] dump_backtrace+0x0/0x43c [ 228.490336][ T6477] show_stack+0x2c/0x3c [ 228.491011][ T6477] __dump_stack+0x30/0x40 [ 228.491751][ T6477] dump_stack_lvl+0xf8/0x160 [ 228.492438][ T6477] dump_stack+0x1c/0x5c [ 228.493134][ T6477] sysfs_create_dir_ns+0x22c/0x24c [ 228.493957][ T6477] kobject_add_internal+0x590/0xc54 [ 228.494740][ T6477] kobject_init_and_add+0x118/0x17c [ 228.495636][ T6477] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.496378][ T6477] gfs2_fill_super+0xdac/0x19e0 [ 228.497181][ T6477] get_tree_bdev+0x358/0x544 [ 228.497946][ T6477] gfs2_get_tree+0x54/0x1b4 [ 228.498658][ T6477] vfs_get_tree+0x90/0x274 [ 228.499334][ T6477] do_new_mount+0x228/0x810 [ 228.500055][ T6477] path_mount+0x5b4/0x1000 [ 228.500762][ T6477] __arm64_sys_mount+0x514/0x5e4 [ 228.501560][ T6477] invoke_syscall+0x98/0x2b8 [ 228.502281][ T6477] el0_svc_common+0x138/0x258 [ 228.503049][ T6477] do_el0_svc+0x58/0x14c [ 228.503735][ T6477] el0_svc+0x78/0x1e0 [ 228.504359][ T6477] el0t_64_sync_handler+0xcc/0xe4 [ 228.505165][ T6477] el0t_64_sync+0x1a0/0x1a4 [ 228.506168][ T6477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.508307][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.635596][ T6479] loop1: detected capacity change from 0 to 32768 [ 228.694472][ T6479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.695937][ T6479] CPU: 0 PID: 6479 Comm: syz.1.668 Not tainted syzkaller #0 [ 228.697169][ T6479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.698803][ T6479] Call trace: [ 228.699369][ T6479] dump_backtrace+0x0/0x43c [ 228.700033][ T6479] show_stack+0x2c/0x3c [ 228.700692][ T6479] __dump_stack+0x30/0x40 [ 228.701384][ T6479] dump_stack_lvl+0xf8/0x160 [ 228.702127][ T6479] dump_stack+0x1c/0x5c [ 228.702814][ T6479] sysfs_create_dir_ns+0x22c/0x24c [ 228.703570][ T6479] kobject_add_internal+0x590/0xc54 [ 228.704405][ T6479] kobject_init_and_add+0x118/0x17c [ 228.705197][ T6479] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.705889][ T6479] gfs2_fill_super+0xdac/0x19e0 [ 228.706591][ T6479] get_tree_bdev+0x358/0x544 [ 228.707260][ T6479] gfs2_get_tree+0x54/0x1b4 [ 228.708008][ T6479] vfs_get_tree+0x90/0x274 [ 228.708710][ T6479] do_new_mount+0x228/0x810 [ 228.709419][ T6479] path_mount+0x5b4/0x1000 [ 228.710125][ T6479] __arm64_sys_mount+0x514/0x5e4 [ 228.710907][ T6479] invoke_syscall+0x98/0x2b8 [ 228.711551][ T6479] el0_svc_common+0x138/0x258 [ 228.712320][ T6479] do_el0_svc+0x58/0x14c [ 228.713055][ T6479] el0_svc+0x78/0x1e0 [ 228.713722][ T6479] el0t_64_sync_handler+0xcc/0xe4 [ 228.714556][ T6479] el0t_64_sync+0x1a0/0x1a4 [ 228.716014][ T6479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.718020][ T6479] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.848646][ T6481] loop1: detected capacity change from 0 to 32768 [ 228.890656][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.891982][ T6481] CPU: 1 PID: 6481 Comm: syz.1.669 Not tainted syzkaller #0 [ 228.893198][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.894727][ T6481] Call trace: [ 228.895245][ T6481] dump_backtrace+0x0/0x43c [ 228.895874][ T6481] show_stack+0x2c/0x3c [ 228.896529][ T6481] __dump_stack+0x30/0x40 [ 228.897218][ T6481] dump_stack_lvl+0xf8/0x160 [ 228.897930][ T6481] dump_stack+0x1c/0x5c [ 228.898642][ T6481] sysfs_create_dir_ns+0x22c/0x24c [ 228.899442][ T6481] kobject_add_internal+0x590/0xc54 [ 228.900204][ T6481] kobject_init_and_add+0x118/0x17c [ 228.900993][ T6481] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.901656][ T6481] gfs2_fill_super+0xdac/0x19e0 [ 228.902417][ T6481] get_tree_bdev+0x358/0x544 [ 228.903127][ T6481] gfs2_get_tree+0x54/0x1b4 [ 228.903833][ T6481] vfs_get_tree+0x90/0x274 [ 228.904548][ T6481] do_new_mount+0x228/0x810 [ 228.905294][ T6481] path_mount+0x5b4/0x1000 [ 228.906001][ T6481] __arm64_sys_mount+0x514/0x5e4 [ 228.906798][ T6481] invoke_syscall+0x98/0x2b8 [ 228.907602][ T6481] el0_svc_common+0x138/0x258 [ 228.908364][ T6481] do_el0_svc+0x58/0x14c [ 228.909098][ T6481] el0_svc+0x78/0x1e0 [ 228.909735][ T6481] el0t_64_sync_handler+0xcc/0xe4 [ 228.910534][ T6481] el0t_64_sync+0x1a0/0x1a4 [ 228.911687][ T6481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.913771][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.130428][ T6483] loop1: detected capacity change from 0 to 32768 [ 229.179384][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.180596][ T6483] CPU: 0 PID: 6483 Comm: syz.1.670 Not tainted syzkaller #0 [ 229.181680][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.183186][ T6483] Call trace: [ 229.183636][ T6483] dump_backtrace+0x0/0x43c [ 229.184302][ T6483] show_stack+0x2c/0x3c [ 229.184925][ T6483] __dump_stack+0x30/0x40 [ 229.185538][ T6483] dump_stack_lvl+0xf8/0x160 [ 229.186208][ T6483] dump_stack+0x1c/0x5c [ 229.186766][ T6483] sysfs_create_dir_ns+0x22c/0x24c [ 229.187484][ T6483] kobject_add_internal+0x590/0xc54 [ 229.188282][ T6483] kobject_init_and_add+0x118/0x17c [ 229.189124][ T6483] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.189888][ T6483] gfs2_fill_super+0xdac/0x19e0 [ 229.190628][ T6483] get_tree_bdev+0x358/0x544 [ 229.191312][ T6483] gfs2_get_tree+0x54/0x1b4 [ 229.192024][ T6483] vfs_get_tree+0x90/0x274 [ 229.192791][ T6483] do_new_mount+0x228/0x810 [ 229.193565][ T6483] path_mount+0x5b4/0x1000 [ 229.194338][ T6483] __arm64_sys_mount+0x514/0x5e4 [ 229.195152][ T6483] invoke_syscall+0x98/0x2b8 [ 229.195837][ T6483] el0_svc_common+0x138/0x258 [ 229.196494][ T6483] do_el0_svc+0x58/0x14c [ 229.197119][ T6483] el0_svc+0x78/0x1e0 [ 229.197734][ T6483] el0t_64_sync_handler+0xcc/0xe4 [ 229.198530][ T6483] el0t_64_sync+0x1a0/0x1a4 [ 229.200888][ T6483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.202939][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.332813][ T6485] loop1: detected capacity change from 0 to 32768 [ 229.340853][ T6485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.341926][ T6485] CPU: 1 PID: 6485 Comm: syz.1.671 Not tainted syzkaller #0 [ 229.342992][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.344435][ T6485] Call trace: [ 229.344902][ T6485] dump_backtrace+0x0/0x43c [ 229.345708][ T6485] show_stack+0x2c/0x3c [ 229.346415][ T6485] __dump_stack+0x30/0x40 [ 229.347121][ T6485] dump_stack_lvl+0xf8/0x160 [ 229.347854][ T6485] dump_stack+0x1c/0x5c [ 229.348527][ T6485] sysfs_create_dir_ns+0x22c/0x24c [ 229.349370][ T6485] kobject_add_internal+0x590/0xc54 [ 229.350269][ T6485] kobject_init_and_add+0x118/0x17c [ 229.351107][ T6485] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.351908][ T6485] gfs2_fill_super+0xdac/0x19e0 [ 229.352734][ T6485] get_tree_bdev+0x358/0x544 [ 229.353455][ T6485] gfs2_get_tree+0x54/0x1b4 [ 229.354192][ T6485] vfs_get_tree+0x90/0x274 [ 229.354880][ T6485] do_new_mount+0x228/0x810 [ 229.355615][ T6485] path_mount+0x5b4/0x1000 [ 229.356345][ T6485] __arm64_sys_mount+0x514/0x5e4 [ 229.357165][ T6485] invoke_syscall+0x98/0x2b8 [ 229.357888][ T6485] el0_svc_common+0x138/0x258 [ 229.358641][ T6485] do_el0_svc+0x58/0x14c [ 229.359274][ T6485] el0_svc+0x78/0x1e0 [ 229.359904][ T6485] el0t_64_sync_handler+0xcc/0xe4 [ 229.360676][ T6485] el0t_64_sync+0x1a0/0x1a4 [ 229.363029][ T6485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.364958][ T6485] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.494704][ T6487] loop1: detected capacity change from 0 to 32768 [ 229.540681][ T6487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.541853][ T6487] CPU: 1 PID: 6487 Comm: syz.1.672 Not tainted syzkaller #0 [ 229.543001][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.544444][ T6487] Call trace: [ 229.544926][ T6487] dump_backtrace+0x0/0x43c [ 229.545676][ T6487] show_stack+0x2c/0x3c [ 229.546355][ T6487] __dump_stack+0x30/0x40 [ 229.547097][ T6487] dump_stack_lvl+0xf8/0x160 [ 229.547836][ T6487] dump_stack+0x1c/0x5c [ 229.548481][ T6487] sysfs_create_dir_ns+0x22c/0x24c [ 229.549222][ T6487] kobject_add_internal+0x590/0xc54 [ 229.550088][ T6487] kobject_init_and_add+0x118/0x17c [ 229.550924][ T6487] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.551742][ T6487] gfs2_fill_super+0xdac/0x19e0 [ 229.552491][ T6487] get_tree_bdev+0x358/0x544 [ 229.553239][ T6487] gfs2_get_tree+0x54/0x1b4 [ 229.553987][ T6487] vfs_get_tree+0x90/0x274 [ 229.554697][ T6487] do_new_mount+0x228/0x810 [ 229.555468][ T6487] path_mount+0x5b4/0x1000 [ 229.556195][ T6487] __arm64_sys_mount+0x514/0x5e4 [ 229.557000][ T6487] invoke_syscall+0x98/0x2b8 [ 229.557719][ T6487] el0_svc_common+0x138/0x258 [ 229.558481][ T6487] do_el0_svc+0x58/0x14c [ 229.559197][ T6487] el0_svc+0x78/0x1e0 [ 229.559789][ T6487] el0t_64_sync_handler+0xcc/0xe4 [ 229.560517][ T6487] el0t_64_sync+0x1a0/0x1a4 [ 229.562555][ T6487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.564524][ T6487] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.699902][ T6489] loop1: detected capacity change from 0 to 32768 [ 229.750594][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.751888][ T6489] CPU: 0 PID: 6489 Comm: syz.1.673 Not tainted syzkaller #0 [ 229.753073][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.754703][ T6489] Call trace: [ 229.755243][ T6489] dump_backtrace+0x0/0x43c [ 229.755981][ T6489] show_stack+0x2c/0x3c [ 229.756613][ T6489] __dump_stack+0x30/0x40 [ 229.757251][ T6489] dump_stack_lvl+0xf8/0x160 [ 229.757910][ T6489] dump_stack+0x1c/0x5c [ 229.758549][ T6489] sysfs_create_dir_ns+0x22c/0x24c [ 229.759410][ T6489] kobject_add_internal+0x590/0xc54 [ 229.760241][ T6489] kobject_init_and_add+0x118/0x17c [ 229.761048][ T6489] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.761817][ T6489] gfs2_fill_super+0xdac/0x19e0 [ 229.762682][ T6489] get_tree_bdev+0x358/0x544 [ 229.763450][ T6489] gfs2_get_tree+0x54/0x1b4 [ 229.764107][ T6489] vfs_get_tree+0x90/0x274 [ 229.764760][ T6489] do_new_mount+0x228/0x810 [ 229.765425][ T6489] path_mount+0x5b4/0x1000 [ 229.766054][ T6489] __arm64_sys_mount+0x514/0x5e4 [ 229.766783][ T6489] invoke_syscall+0x98/0x2b8 [ 229.767530][ T6489] el0_svc_common+0x138/0x258 [ 229.768191][ T6489] do_el0_svc+0x58/0x14c [ 229.768837][ T6489] el0_svc+0x78/0x1e0 [ 229.769456][ T6489] el0t_64_sync_handler+0xcc/0xe4 [ 229.770181][ T6489] el0t_64_sync+0x1a0/0x1a4 [ 229.771338][ T6489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.773327][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.974733][ T6491] loop1: detected capacity change from 0 to 32768 [ 230.022077][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.023348][ T6491] CPU: 0 PID: 6491 Comm: syz.1.674 Not tainted syzkaller #0 [ 230.024387][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.025951][ T6491] Call trace: [ 230.026480][ T6491] dump_backtrace+0x0/0x43c [ 230.027244][ T6491] show_stack+0x2c/0x3c [ 230.027926][ T6491] __dump_stack+0x30/0x40 [ 230.028662][ T6491] dump_stack_lvl+0xf8/0x160 [ 230.029416][ T6491] dump_stack+0x1c/0x5c [ 230.030107][ T6491] sysfs_create_dir_ns+0x22c/0x24c [ 230.030950][ T6491] kobject_add_internal+0x590/0xc54 [ 230.031802][ T6491] kobject_init_and_add+0x118/0x17c [ 230.032650][ T6491] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.033386][ T6491] gfs2_fill_super+0xdac/0x19e0 [ 230.034224][ T6491] get_tree_bdev+0x358/0x544 [ 230.034951][ T6491] gfs2_get_tree+0x54/0x1b4 [ 230.035696][ T6491] vfs_get_tree+0x90/0x274 [ 230.036402][ T6491] do_new_mount+0x228/0x810 [ 230.037133][ T6491] path_mount+0x5b4/0x1000 [ 230.037932][ T6491] __arm64_sys_mount+0x514/0x5e4 [ 230.038769][ T6491] invoke_syscall+0x98/0x2b8 [ 230.039528][ T6491] el0_svc_common+0x138/0x258 [ 230.040307][ T6491] do_el0_svc+0x58/0x14c [ 230.041063][ T6491] el0_svc+0x78/0x1e0 [ 230.041710][ T6491] el0t_64_sync_handler+0xcc/0xe4 [ 230.042522][ T6491] el0t_64_sync+0x1a0/0x1a4 [ 230.044673][ T6491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.046633][ T6491] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.180621][ T6493] loop1: detected capacity change from 0 to 32768 [ 230.225018][ T6493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.226355][ T6493] CPU: 1 PID: 6493 Comm: syz.1.675 Not tainted syzkaller #0 [ 230.227590][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.229322][ T6493] Call trace: [ 230.229861][ T6493] dump_backtrace+0x0/0x43c [ 230.230626][ T6493] show_stack+0x2c/0x3c [ 230.231307][ T6493] __dump_stack+0x30/0x40 [ 230.232033][ T6493] dump_stack_lvl+0xf8/0x160 [ 230.232824][ T6493] dump_stack+0x1c/0x5c [ 230.233512][ T6493] sysfs_create_dir_ns+0x22c/0x24c [ 230.234384][ T6493] kobject_add_internal+0x590/0xc54 [ 230.235202][ T6493] kobject_init_and_add+0x118/0x17c [ 230.236044][ T6493] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.236805][ T6493] gfs2_fill_super+0xdac/0x19e0 [ 230.237586][ T6493] get_tree_bdev+0x358/0x544 [ 230.238375][ T6493] gfs2_get_tree+0x54/0x1b4 [ 230.239107][ T6493] vfs_get_tree+0x90/0x274 [ 230.239800][ T6493] do_new_mount+0x228/0x810 [ 230.240512][ T6493] path_mount+0x5b4/0x1000 [ 230.241183][ T6493] __arm64_sys_mount+0x514/0x5e4 [ 230.241979][ T6493] invoke_syscall+0x98/0x2b8 [ 230.242654][ T6493] el0_svc_common+0x138/0x258 [ 230.243477][ T6493] do_el0_svc+0x58/0x14c [ 230.244203][ T6493] el0_svc+0x78/0x1e0 [ 230.244866][ T6493] el0t_64_sync_handler+0xcc/0xe4 [ 230.245661][ T6493] el0t_64_sync+0x1a0/0x1a4 [ 230.246861][ T6493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.248903][ T6493] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.385788][ T6495] loop1: detected capacity change from 0 to 32768 [ 230.434501][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.435856][ T6495] CPU: 0 PID: 6495 Comm: syz.1.676 Not tainted syzkaller #0 [ 230.437089][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.438606][ T6495] Call trace: [ 230.439084][ T6495] dump_backtrace+0x0/0x43c [ 230.439759][ T6495] show_stack+0x2c/0x3c [ 230.440439][ T6495] __dump_stack+0x30/0x40 [ 230.441090][ T6495] dump_stack_lvl+0xf8/0x160 [ 230.441742][ T6495] dump_stack+0x1c/0x5c [ 230.442428][ T6495] sysfs_create_dir_ns+0x22c/0x24c [ 230.443229][ T6495] kobject_add_internal+0x590/0xc54 [ 230.444079][ T6495] kobject_init_and_add+0x118/0x17c [ 230.444836][ T6495] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.445616][ T6495] gfs2_fill_super+0xdac/0x19e0 [ 230.446389][ T6495] get_tree_bdev+0x358/0x544 [ 230.447110][ T6495] gfs2_get_tree+0x54/0x1b4 [ 230.447834][ T6495] vfs_get_tree+0x90/0x274 [ 230.448448][ T6495] do_new_mount+0x228/0x810 [ 230.449132][ T6495] path_mount+0x5b4/0x1000 [ 230.449868][ T6495] __arm64_sys_mount+0x514/0x5e4 [ 230.450673][ T6495] invoke_syscall+0x98/0x2b8 [ 230.451448][ T6495] el0_svc_common+0x138/0x258 [ 230.452220][ T6495] do_el0_svc+0x58/0x14c [ 230.452906][ T6495] el0_svc+0x78/0x1e0 [ 230.453532][ T6495] el0t_64_sync_handler+0xcc/0xe4 [ 230.454359][ T6495] el0t_64_sync+0x1a0/0x1a4 [ 230.456843][ T6495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.458960][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.605095][ T6497] loop1: detected capacity change from 0 to 32768 [ 230.681725][ T6497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.682995][ T6497] CPU: 1 PID: 6497 Comm: syz.1.677 Not tainted syzkaller #0 [ 230.684232][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.685881][ T6497] Call trace: [ 230.686399][ T6497] dump_backtrace+0x0/0x43c [ 230.687180][ T6497] show_stack+0x2c/0x3c [ 230.687885][ T6497] __dump_stack+0x30/0x40 [ 230.688617][ T6497] dump_stack_lvl+0xf8/0x160 [ 230.689390][ T6497] dump_stack+0x1c/0x5c [ 230.690024][ T6497] sysfs_create_dir_ns+0x22c/0x24c [ 230.690788][ T6497] kobject_add_internal+0x590/0xc54 [ 230.691658][ T6497] kobject_init_and_add+0x118/0x17c [ 230.692491][ T6497] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.693316][ T6497] gfs2_fill_super+0xdac/0x19e0 [ 230.694016][ T6497] get_tree_bdev+0x358/0x544 [ 230.694744][ T6497] gfs2_get_tree+0x54/0x1b4 [ 230.695476][ T6497] vfs_get_tree+0x90/0x274 [ 230.696205][ T6497] do_new_mount+0x228/0x810 [ 230.696933][ T6497] path_mount+0x5b4/0x1000 [ 230.697620][ T6497] __arm64_sys_mount+0x514/0x5e4 [ 230.698405][ T6497] invoke_syscall+0x98/0x2b8 [ 230.699144][ T6497] el0_svc_common+0x138/0x258 [ 230.699906][ T6497] do_el0_svc+0x58/0x14c [ 230.700589][ T6497] el0_svc+0x78/0x1e0 [ 230.701236][ T6497] el0t_64_sync_handler+0xcc/0xe4 [ 230.702087][ T6497] el0t_64_sync+0x1a0/0x1a4 [ 230.704138][ T6497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.706439][ T6497] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.838038][ T6499] loop1: detected capacity change from 0 to 32768 [ 230.845704][ T6499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.846966][ T6499] CPU: 1 PID: 6499 Comm: syz.1.678 Not tainted syzkaller #0 [ 230.848201][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.849836][ T6499] Call trace: [ 230.850384][ T6499] dump_backtrace+0x0/0x43c [ 230.851160][ T6499] show_stack+0x2c/0x3c [ 230.851831][ T6499] __dump_stack+0x30/0x40 [ 230.852563][ T6499] dump_stack_lvl+0xf8/0x160 [ 230.853327][ T6499] dump_stack+0x1c/0x5c [ 230.853977][ T6499] sysfs_create_dir_ns+0x22c/0x24c [ 230.854793][ T6499] kobject_add_internal+0x590/0xc54 [ 230.855511][ T6499] kobject_init_and_add+0x118/0x17c [ 230.856325][ T6499] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.857115][ T6499] gfs2_fill_super+0xdac/0x19e0 [ 230.857912][ T6499] get_tree_bdev+0x358/0x544 [ 230.858601][ T6499] gfs2_get_tree+0x54/0x1b4 [ 230.859282][ T6499] vfs_get_tree+0x90/0x274 [ 230.860001][ T6499] do_new_mount+0x228/0x810 [ 230.860771][ T6499] path_mount+0x5b4/0x1000 [ 230.861494][ T6499] __arm64_sys_mount+0x514/0x5e4 [ 230.862276][ T6499] invoke_syscall+0x98/0x2b8 [ 230.862961][ T6499] el0_svc_common+0x138/0x258 [ 230.863728][ T6499] do_el0_svc+0x58/0x14c [ 230.864361][ T6499] el0_svc+0x78/0x1e0 [ 230.864980][ T6499] el0t_64_sync_handler+0xcc/0xe4 [ 230.865710][ T6499] el0t_64_sync+0x1a0/0x1a4 [ 230.867926][ T6499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.870085][ T6499] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.998478][ T6501] loop1: detected capacity change from 0 to 32768 [ 231.053937][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.055175][ T6501] CPU: 1 PID: 6501 Comm: syz.1.679 Not tainted syzkaller #0 [ 231.056283][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.057822][ T6501] Call trace: [ 231.058250][ T6501] dump_backtrace+0x0/0x43c [ 231.058962][ T6501] show_stack+0x2c/0x3c [ 231.059586][ T6501] __dump_stack+0x30/0x40 [ 231.060268][ T6501] dump_stack_lvl+0xf8/0x160 [ 231.060987][ T6501] dump_stack+0x1c/0x5c [ 231.061644][ T6501] sysfs_create_dir_ns+0x22c/0x24c [ 231.062440][ T6501] kobject_add_internal+0x590/0xc54 [ 231.063310][ T6501] kobject_init_and_add+0x118/0x17c [ 231.064128][ T6501] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.064890][ T6501] gfs2_fill_super+0xdac/0x19e0 [ 231.065621][ T6501] get_tree_bdev+0x358/0x544 [ 231.066461][ T6501] gfs2_get_tree+0x54/0x1b4 [ 231.067232][ T6501] vfs_get_tree+0x90/0x274 [ 231.067892][ T6501] do_new_mount+0x228/0x810 [ 231.068683][ T6501] path_mount+0x5b4/0x1000 [ 231.069412][ T6501] __arm64_sys_mount+0x514/0x5e4 [ 231.070209][ T6501] invoke_syscall+0x98/0x2b8 [ 231.070995][ T6501] el0_svc_common+0x138/0x258 [ 231.071774][ T6501] do_el0_svc+0x58/0x14c [ 231.072488][ T6501] el0_svc+0x78/0x1e0 [ 231.073096][ T6501] el0t_64_sync_handler+0xcc/0xe4 [ 231.073891][ T6501] el0t_64_sync+0x1a0/0x1a4 [ 231.076100][ T6501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.077967][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.216337][ T6503] loop1: detected capacity change from 0 to 32768 [ 231.270573][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.271829][ T6503] CPU: 0 PID: 6503 Comm: syz.1.680 Not tainted syzkaller #0 [ 231.273061][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.274676][ T6503] Call trace: [ 231.275182][ T6503] dump_backtrace+0x0/0x43c [ 231.275865][ T6503] show_stack+0x2c/0x3c [ 231.276476][ T6503] __dump_stack+0x30/0x40 [ 231.277126][ T6503] dump_stack_lvl+0xf8/0x160 [ 231.277755][ T6503] dump_stack+0x1c/0x5c [ 231.278400][ T6503] sysfs_create_dir_ns+0x22c/0x24c [ 231.279070][ T6503] kobject_add_internal+0x590/0xc54 [ 231.279793][ T6503] kobject_init_and_add+0x118/0x17c [ 231.280522][ T6503] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.281218][ T6503] gfs2_fill_super+0xdac/0x19e0 [ 231.281931][ T6503] get_tree_bdev+0x358/0x544 [ 231.282569][ T6503] gfs2_get_tree+0x54/0x1b4 [ 231.283221][ T6503] vfs_get_tree+0x90/0x274 [ 231.283944][ T6503] do_new_mount+0x228/0x810 [ 231.284726][ T6503] path_mount+0x5b4/0x1000 [ 231.285435][ T6503] __arm64_sys_mount+0x514/0x5e4 [ 231.286231][ T6503] invoke_syscall+0x98/0x2b8 [ 231.286938][ T6503] el0_svc_common+0x138/0x258 [ 231.287689][ T6503] do_el0_svc+0x58/0x14c [ 231.288361][ T6503] el0_svc+0x78/0x1e0 [ 231.289006][ T6503] el0t_64_sync_handler+0xcc/0xe4 [ 231.289815][ T6503] el0t_64_sync+0x1a0/0x1a4 [ 231.294912][ T6503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.297085][ T6503] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.466380][ T6505] loop1: detected capacity change from 0 to 32768 [ 231.510679][ T6505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.511848][ T6505] CPU: 0 PID: 6505 Comm: syz.1.681 Not tainted syzkaller #0 [ 231.513169][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.514774][ T6505] Call trace: [ 231.515311][ T6505] dump_backtrace+0x0/0x43c [ 231.516101][ T6505] show_stack+0x2c/0x3c [ 231.516775][ T6505] __dump_stack+0x30/0x40 [ 231.517514][ T6505] dump_stack_lvl+0xf8/0x160 [ 231.518208][ T6505] dump_stack+0x1c/0x5c [ 231.518924][ T6505] sysfs_create_dir_ns+0x22c/0x24c [ 231.519739][ T6505] kobject_add_internal+0x590/0xc54 [ 231.520556][ T6505] kobject_init_and_add+0x118/0x17c [ 231.521334][ T6505] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.522060][ T6505] gfs2_fill_super+0xdac/0x19e0 [ 231.522829][ T6505] get_tree_bdev+0x358/0x544 [ 231.523618][ T6505] gfs2_get_tree+0x54/0x1b4 [ 231.524364][ T6505] vfs_get_tree+0x90/0x274 [ 231.525103][ T6505] do_new_mount+0x228/0x810 [ 231.525836][ T6505] path_mount+0x5b4/0x1000 [ 231.526501][ T6505] __arm64_sys_mount+0x514/0x5e4 [ 231.527302][ T6505] invoke_syscall+0x98/0x2b8 [ 231.528027][ T6505] el0_svc_common+0x138/0x258 [ 231.528814][ T6505] do_el0_svc+0x58/0x14c [ 231.529476][ T6505] el0_svc+0x78/0x1e0 [ 231.530067][ T6505] el0t_64_sync_handler+0xcc/0xe4 [ 231.530862][ T6505] el0t_64_sync+0x1a0/0x1a4 [ 231.533969][ T6505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.548004][ T6505] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.797359][ T6507] loop1: detected capacity change from 0 to 32768 [ 231.842577][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.846775][ T6507] CPU: 1 PID: 6507 Comm: syz.1.682 Not tainted syzkaller #0 [ 231.848003][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.849668][ T6507] Call trace: [ 231.850192][ T6507] dump_backtrace+0x0/0x43c [ 231.850981][ T6507] show_stack+0x2c/0x3c [ 231.851680][ T6507] __dump_stack+0x30/0x40 [ 231.852385][ T6507] dump_stack_lvl+0xf8/0x160 [ 231.853136][ T6507] dump_stack+0x1c/0x5c [ 231.853834][ T6507] sysfs_create_dir_ns+0x22c/0x24c [ 231.854643][ T6507] kobject_add_internal+0x590/0xc54 [ 231.855487][ T6507] kobject_init_and_add+0x118/0x17c [ 231.856311][ T6507] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.857083][ T6507] gfs2_fill_super+0xdac/0x19e0 [ 231.857895][ T6507] get_tree_bdev+0x358/0x544 [ 231.858650][ T6507] gfs2_get_tree+0x54/0x1b4 [ 231.859376][ T6507] vfs_get_tree+0x90/0x274 [ 231.860070][ T6507] do_new_mount+0x228/0x810 [ 231.860844][ T6507] path_mount+0x5b4/0x1000 [ 231.861580][ T6507] __arm64_sys_mount+0x514/0x5e4 [ 231.862359][ T6507] invoke_syscall+0x98/0x2b8 [ 231.863053][ T6507] el0_svc_common+0x138/0x258 [ 231.863732][ T6507] do_el0_svc+0x58/0x14c [ 231.864448][ T6507] el0_svc+0x78/0x1e0 [ 231.865102][ T6507] el0t_64_sync_handler+0xcc/0xe4 [ 231.865904][ T6507] el0t_64_sync+0x1a0/0x1a4 [ 231.867632][ T6507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.869642][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.007585][ T6509] loop1: detected capacity change from 0 to 32768 [ 232.050675][ T6509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.051908][ T6509] CPU: 0 PID: 6509 Comm: syz.1.683 Not tainted syzkaller #0 [ 232.053058][ T6509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.054693][ T6509] Call trace: [ 232.055222][ T6509] dump_backtrace+0x0/0x43c [ 232.055962][ T6509] show_stack+0x2c/0x3c [ 232.056597][ T6509] __dump_stack+0x30/0x40 [ 232.057362][ T6509] dump_stack_lvl+0xf8/0x160 [ 232.058052][ T6509] dump_stack+0x1c/0x5c [ 232.058683][ T6509] sysfs_create_dir_ns+0x22c/0x24c [ 232.059423][ T6509] kobject_add_internal+0x590/0xc54 [ 232.060244][ T6509] kobject_init_and_add+0x118/0x17c [ 232.061094][ T6509] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.061871][ T6509] gfs2_fill_super+0xdac/0x19e0 [ 232.062715][ T6509] get_tree_bdev+0x358/0x544 [ 232.063478][ T6509] gfs2_get_tree+0x54/0x1b4 [ 232.064219][ T6509] vfs_get_tree+0x90/0x274 [ 232.064948][ T6509] do_new_mount+0x228/0x810 [ 232.065722][ T6509] path_mount+0x5b4/0x1000 [ 232.066488][ T6509] __arm64_sys_mount+0x514/0x5e4 [ 232.067312][ T6509] invoke_syscall+0x98/0x2b8 [ 232.068063][ T6509] el0_svc_common+0x138/0x258 [ 232.068823][ T6509] do_el0_svc+0x58/0x14c [ 232.069528][ T6509] el0_svc+0x78/0x1e0 [ 232.070162][ T6509] el0t_64_sync_handler+0xcc/0xe4 [ 232.070998][ T6509] el0t_64_sync+0x1a0/0x1a4 [ 232.071969][ T6509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.074103][ T6509] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.207281][ T6511] loop1: detected capacity change from 0 to 32768 [ 232.244651][ T6511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.245942][ T6511] CPU: 0 PID: 6511 Comm: syz.1.684 Not tainted syzkaller #0 [ 232.247151][ T6511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.248762][ T6511] Call trace: [ 232.249268][ T6511] dump_backtrace+0x0/0x43c [ 232.249973][ T6511] show_stack+0x2c/0x3c [ 232.250635][ T6511] __dump_stack+0x30/0x40 [ 232.251300][ T6511] dump_stack_lvl+0xf8/0x160 [ 232.252000][ T6511] dump_stack+0x1c/0x5c [ 232.252692][ T6511] sysfs_create_dir_ns+0x22c/0x24c [ 232.253511][ T6511] kobject_add_internal+0x590/0xc54 [ 232.254355][ T6511] kobject_init_and_add+0x118/0x17c [ 232.255193][ T6511] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.256002][ T6511] gfs2_fill_super+0xdac/0x19e0 [ 232.256794][ T6511] get_tree_bdev+0x358/0x544 [ 232.257586][ T6511] gfs2_get_tree+0x54/0x1b4 [ 232.258381][ T6511] vfs_get_tree+0x90/0x274 [ 232.259073][ T6511] do_new_mount+0x228/0x810 [ 232.259740][ T6511] path_mount+0x5b4/0x1000 [ 232.260450][ T6511] __arm64_sys_mount+0x514/0x5e4 [ 232.261205][ T6511] invoke_syscall+0x98/0x2b8 [ 232.261926][ T6511] el0_svc_common+0x138/0x258 [ 232.262615][ T6511] do_el0_svc+0x58/0x14c [ 232.263301][ T6511] el0_svc+0x78/0x1e0 [ 232.263969][ T6511] el0t_64_sync_handler+0xcc/0xe4 [ 232.264765][ T6511] el0t_64_sync+0x1a0/0x1a4 [ 232.265909][ T6511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.267972][ T6511] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.397598][ T6513] loop1: detected capacity change from 0 to 32768 [ 232.430710][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.431966][ T6513] CPU: 1 PID: 6513 Comm: syz.1.685 Not tainted syzkaller #0 [ 232.433263][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.434898][ T6513] Call trace: [ 232.435443][ T6513] dump_backtrace+0x0/0x43c [ 232.436230][ T6513] show_stack+0x2c/0x3c [ 232.436939][ T6513] __dump_stack+0x30/0x40 [ 232.437687][ T6513] dump_stack_lvl+0xf8/0x160 [ 232.438415][ T6513] dump_stack+0x1c/0x5c [ 232.439135][ T6513] sysfs_create_dir_ns+0x22c/0x24c [ 232.439963][ T6513] kobject_add_internal+0x590/0xc54 [ 232.440796][ T6513] kobject_init_and_add+0x118/0x17c [ 232.441705][ T6513] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.442459][ T6513] gfs2_fill_super+0xdac/0x19e0 [ 232.443205][ T6513] get_tree_bdev+0x358/0x544 [ 232.443874][ T6513] gfs2_get_tree+0x54/0x1b4 [ 232.444526][ T6513] vfs_get_tree+0x90/0x274 [ 232.445156][ T6513] do_new_mount+0x228/0x810 [ 232.445871][ T6513] path_mount+0x5b4/0x1000 [ 232.446556][ T6513] __arm64_sys_mount+0x514/0x5e4 [ 232.447373][ T6513] invoke_syscall+0x98/0x2b8 [ 232.448156][ T6513] el0_svc_common+0x138/0x258 [ 232.448910][ T6513] do_el0_svc+0x58/0x14c [ 232.449570][ T6513] el0_svc+0x78/0x1e0 [ 232.450157][ T6513] el0t_64_sync_handler+0xcc/0xe4 [ 232.450966][ T6513] el0t_64_sync+0x1a0/0x1a4 [ 232.451840][ T6513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.453935][ T6513] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.583050][ T6515] loop1: detected capacity change from 0 to 32768 [ 232.590645][ T6515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.591852][ T6515] CPU: 0 PID: 6515 Comm: syz.1.686 Not tainted syzkaller #0 [ 232.593013][ T6515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.594607][ T6515] Call trace: [ 232.595101][ T6515] dump_backtrace+0x0/0x43c [ 232.595839][ T6515] show_stack+0x2c/0x3c [ 232.596542][ T6515] __dump_stack+0x30/0x40 [ 232.597254][ T6515] dump_stack_lvl+0xf8/0x160 [ 232.597994][ T6515] dump_stack+0x1c/0x5c [ 232.598643][ T6515] sysfs_create_dir_ns+0x22c/0x24c [ 232.599456][ T6515] kobject_add_internal+0x590/0xc54 [ 232.600204][ T6515] kobject_init_and_add+0x118/0x17c [ 232.600963][ T6515] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.601650][ T6515] gfs2_fill_super+0xdac/0x19e0 [ 232.602343][ T6515] get_tree_bdev+0x358/0x544 [ 232.603105][ T6515] gfs2_get_tree+0x54/0x1b4 [ 232.603793][ T6515] vfs_get_tree+0x90/0x274 [ 232.604460][ T6515] do_new_mount+0x228/0x810 [ 232.605154][ T6515] path_mount+0x5b4/0x1000 [ 232.605810][ T6515] __arm64_sys_mount+0x514/0x5e4 [ 232.606591][ T6515] invoke_syscall+0x98/0x2b8 [ 232.607339][ T6515] el0_svc_common+0x138/0x258 [ 232.608041][ T6515] do_el0_svc+0x58/0x14c [ 232.608667][ T6515] el0_svc+0x78/0x1e0 [ 232.609341][ T6515] el0t_64_sync_handler+0xcc/0xe4 [ 232.610147][ T6515] el0t_64_sync+0x1a0/0x1a4 [ 232.612105][ T6515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.614119][ T6515] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.750321][ T6517] loop1: detected capacity change from 0 to 32768 [ 232.757454][ T6517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.758701][ T6517] CPU: 1 PID: 6517 Comm: syz.1.687 Not tainted syzkaller #0 [ 232.759831][ T6517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.761376][ T6517] Call trace: [ 232.761888][ T6517] dump_backtrace+0x0/0x43c [ 232.762629][ T6517] show_stack+0x2c/0x3c [ 232.763363][ T6517] __dump_stack+0x30/0x40 [ 232.764074][ T6517] dump_stack_lvl+0xf8/0x160 [ 232.764778][ T6517] dump_stack+0x1c/0x5c [ 232.765379][ T6517] sysfs_create_dir_ns+0x22c/0x24c [ 232.766146][ T6517] kobject_add_internal+0x590/0xc54 [ 232.766976][ T6517] kobject_init_and_add+0x118/0x17c [ 232.767728][ T6517] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.768430][ T6517] gfs2_fill_super+0xdac/0x19e0 [ 232.769221][ T6517] get_tree_bdev+0x358/0x544 [ 232.769883][ T6517] gfs2_get_tree+0x54/0x1b4 [ 232.770497][ T6517] vfs_get_tree+0x90/0x274 [ 232.771158][ T6517] do_new_mount+0x228/0x810 [ 232.771877][ T6517] path_mount+0x5b4/0x1000 [ 232.772558][ T6517] __arm64_sys_mount+0x514/0x5e4 [ 232.773247][ T6517] invoke_syscall+0x98/0x2b8 [ 232.773926][ T6517] el0_svc_common+0x138/0x258 [ 232.774661][ T6517] do_el0_svc+0x58/0x14c [ 232.775281][ T6517] el0_svc+0x78/0x1e0 [ 232.775864][ T6517] el0t_64_sync_handler+0xcc/0xe4 [ 232.776621][ T6517] el0t_64_sync+0x1a0/0x1a4 [ 232.777827][ T6517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.779885][ T6517] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:52 executed programs: 673 [ 232.911094][ T6519] loop1: detected capacity change from 0 to 32768 [ 232.990603][ T6519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.991805][ T6519] CPU: 1 PID: 6519 Comm: syz.1.688 Not tainted syzkaller #0 [ 232.992885][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.994443][ T6519] Call trace: [ 232.994922][ T6519] dump_backtrace+0x0/0x43c [ 232.995565][ T6519] show_stack+0x2c/0x3c [ 232.996177][ T6519] __dump_stack+0x30/0x40 [ 232.996833][ T6519] dump_stack_lvl+0xf8/0x160 [ 232.997478][ T6519] dump_stack+0x1c/0x5c [ 232.998152][ T6519] sysfs_create_dir_ns+0x22c/0x24c [ 232.998987][ T6519] kobject_add_internal+0x590/0xc54 [ 232.999875][ T6519] kobject_init_and_add+0x118/0x17c [ 233.000721][ T6519] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.001494][ T6519] gfs2_fill_super+0xdac/0x19e0 [ 233.002291][ T6519] get_tree_bdev+0x358/0x544 [ 233.003076][ T6519] gfs2_get_tree+0x54/0x1b4 [ 233.003880][ T6519] vfs_get_tree+0x90/0x274 [ 233.004548][ T6519] do_new_mount+0x228/0x810 [ 233.005206][ T6519] path_mount+0x5b4/0x1000 [ 233.005910][ T6519] __arm64_sys_mount+0x514/0x5e4 [ 233.006706][ T6519] invoke_syscall+0x98/0x2b8 [ 233.007505][ T6519] el0_svc_common+0x138/0x258 [ 233.008268][ T6519] do_el0_svc+0x58/0x14c [ 233.008930][ T6519] el0_svc+0x78/0x1e0 [ 233.009515][ T6519] el0t_64_sync_handler+0xcc/0xe4 [ 233.010374][ T6519] el0t_64_sync+0x1a0/0x1a4 [ 233.011618][ T6519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.013724][ T6519] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.143843][ T6521] loop1: detected capacity change from 0 to 32768 [ 233.150732][ T6521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.151970][ T6521] CPU: 1 PID: 6521 Comm: syz.1.689 Not tainted syzkaller #0 [ 233.153019][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.154517][ T6521] Call trace: [ 233.154997][ T6521] dump_backtrace+0x0/0x43c [ 233.155728][ T6521] show_stack+0x2c/0x3c [ 233.156395][ T6521] __dump_stack+0x30/0x40 [ 233.157064][ T6521] dump_stack_lvl+0xf8/0x160 [ 233.157820][ T6521] dump_stack+0x1c/0x5c [ 233.158533][ T6521] sysfs_create_dir_ns+0x22c/0x24c [ 233.159405][ T6521] kobject_add_internal+0x590/0xc54 [ 233.160310][ T6521] kobject_init_and_add+0x118/0x17c [ 233.161134][ T6521] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.161868][ T6521] gfs2_fill_super+0xdac/0x19e0 [ 233.162636][ T6521] get_tree_bdev+0x358/0x544 [ 233.163414][ T6521] gfs2_get_tree+0x54/0x1b4 [ 233.164141][ T6521] vfs_get_tree+0x90/0x274 [ 233.164804][ T6521] do_new_mount+0x228/0x810 [ 233.165512][ T6521] path_mount+0x5b4/0x1000 [ 233.166168][ T6521] __arm64_sys_mount+0x514/0x5e4 [ 233.167014][ T6521] invoke_syscall+0x98/0x2b8 [ 233.167736][ T6521] el0_svc_common+0x138/0x258 [ 233.168529][ T6521] do_el0_svc+0x58/0x14c [ 233.169208][ T6521] el0_svc+0x78/0x1e0 [ 233.169886][ T6521] el0t_64_sync_handler+0xcc/0xe4 [ 233.170712][ T6521] el0t_64_sync+0x1a0/0x1a4 [ 233.171688][ T6521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.173855][ T6521] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.303248][ T6523] loop1: detected capacity change from 0 to 32768 [ 233.330602][ T6523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.331872][ T6523] CPU: 0 PID: 6523 Comm: syz.1.690 Not tainted syzkaller #0 [ 233.332947][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.334510][ T6523] Call trace: [ 233.334989][ T6523] dump_backtrace+0x0/0x43c [ 233.335656][ T6523] show_stack+0x2c/0x3c [ 233.336271][ T6523] __dump_stack+0x30/0x40 [ 233.336919][ T6523] dump_stack_lvl+0xf8/0x160 [ 233.337618][ T6523] dump_stack+0x1c/0x5c [ 233.338224][ T6523] sysfs_create_dir_ns+0x22c/0x24c [ 233.338978][ T6523] kobject_add_internal+0x590/0xc54 [ 233.339798][ T6523] kobject_init_and_add+0x118/0x17c [ 233.340540][ T6523] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.341254][ T6523] gfs2_fill_super+0xdac/0x19e0 [ 233.342039][ T6523] get_tree_bdev+0x358/0x544 [ 233.342788][ T6523] gfs2_get_tree+0x54/0x1b4 [ 233.343507][ T6523] vfs_get_tree+0x90/0x274 [ 233.344240][ T6523] do_new_mount+0x228/0x810 [ 233.344915][ T6523] path_mount+0x5b4/0x1000 [ 233.345658][ T6523] __arm64_sys_mount+0x514/0x5e4 [ 233.346420][ T6523] invoke_syscall+0x98/0x2b8 [ 233.347079][ T6523] el0_svc_common+0x138/0x258 [ 233.347863][ T6523] do_el0_svc+0x58/0x14c [ 233.348660][ T6523] el0_svc+0x78/0x1e0 [ 233.349267][ T6523] el0t_64_sync_handler+0xcc/0xe4 [ 233.350067][ T6523] el0t_64_sync+0x1a0/0x1a4 [ 233.352133][ T6523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.354004][ T6523] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.487309][ T6525] loop1: detected capacity change from 0 to 32768 [ 233.495919][ T6525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.497031][ T6525] CPU: 1 PID: 6525 Comm: syz.1.691 Not tainted syzkaller #0 [ 233.498057][ T6525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.499526][ T6525] Call trace: [ 233.499999][ T6525] dump_backtrace+0x0/0x43c [ 233.500706][ T6525] show_stack+0x2c/0x3c [ 233.501286][ T6525] __dump_stack+0x30/0x40 [ 233.501911][ T6525] dump_stack_lvl+0xf8/0x160 [ 233.502617][ T6525] dump_stack+0x1c/0x5c [ 233.503293][ T6525] sysfs_create_dir_ns+0x22c/0x24c [ 233.504097][ T6525] kobject_add_internal+0x590/0xc54 [ 233.504927][ T6525] kobject_init_and_add+0x118/0x17c [ 233.505634][ T6525] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.506393][ T6525] gfs2_fill_super+0xdac/0x19e0 [ 233.507196][ T6525] get_tree_bdev+0x358/0x544 [ 233.507921][ T6525] gfs2_get_tree+0x54/0x1b4 [ 233.508629][ T6525] vfs_get_tree+0x90/0x274 [ 233.509353][ T6525] do_new_mount+0x228/0x810 [ 233.510037][ T6525] path_mount+0x5b4/0x1000 [ 233.510671][ T6525] __arm64_sys_mount+0x514/0x5e4 [ 233.511486][ T6525] invoke_syscall+0x98/0x2b8 [ 233.512180][ T6525] el0_svc_common+0x138/0x258 [ 233.512855][ T6525] do_el0_svc+0x58/0x14c [ 233.513528][ T6525] el0_svc+0x78/0x1e0 [ 233.514192][ T6525] el0t_64_sync_handler+0xcc/0xe4 [ 233.514942][ T6525] el0t_64_sync+0x1a0/0x1a4 [ 233.515889][ T6525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.517811][ T6525] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.647706][ T6527] loop1: detected capacity change from 0 to 32768 [ 233.691605][ T6527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.692759][ T6527] CPU: 0 PID: 6527 Comm: syz.1.692 Not tainted syzkaller #0 [ 233.693869][ T6527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.695510][ T6527] Call trace: [ 233.695998][ T6527] dump_backtrace+0x0/0x43c [ 233.696740][ T6527] show_stack+0x2c/0x3c [ 233.697348][ T6527] __dump_stack+0x30/0x40 [ 233.698006][ T6527] dump_stack_lvl+0xf8/0x160 [ 233.698665][ T6527] dump_stack+0x1c/0x5c [ 233.699305][ T6527] sysfs_create_dir_ns+0x22c/0x24c [ 233.700063][ T6527] kobject_add_internal+0x590/0xc54 [ 233.700832][ T6527] kobject_init_and_add+0x118/0x17c [ 233.701600][ T6527] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.702282][ T6527] gfs2_fill_super+0xdac/0x19e0 [ 233.702991][ T6527] get_tree_bdev+0x358/0x544 [ 233.703616][ T6527] gfs2_get_tree+0x54/0x1b4 [ 233.704253][ T6527] vfs_get_tree+0x90/0x274 [ 233.704916][ T6527] do_new_mount+0x228/0x810 [ 233.705649][ T6527] path_mount+0x5b4/0x1000 [ 233.706335][ T6527] __arm64_sys_mount+0x514/0x5e4 [ 233.707162][ T6527] invoke_syscall+0x98/0x2b8 [ 233.707887][ T6527] el0_svc_common+0x138/0x258 [ 233.708657][ T6527] do_el0_svc+0x58/0x14c [ 233.709340][ T6527] el0_svc+0x78/0x1e0 [ 233.710042][ T6527] el0t_64_sync_handler+0xcc/0xe4 [ 233.710890][ T6527] el0t_64_sync+0x1a0/0x1a4 [ 233.712159][ T6527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.714027][ T6527] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.843714][ T6529] loop1: detected capacity change from 0 to 32768 [ 233.850746][ T6529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.851869][ T6529] CPU: 1 PID: 6529 Comm: syz.1.693 Not tainted syzkaller #0 [ 233.853013][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.854476][ T6529] Call trace: [ 233.854900][ T6529] dump_backtrace+0x0/0x43c [ 233.855619][ T6529] show_stack+0x2c/0x3c [ 233.856297][ T6529] __dump_stack+0x30/0x40 [ 233.857015][ T6529] dump_stack_lvl+0xf8/0x160 [ 233.857771][ T6529] dump_stack+0x1c/0x5c [ 233.858472][ T6529] sysfs_create_dir_ns+0x22c/0x24c [ 233.859292][ T6529] kobject_add_internal+0x590/0xc54 [ 233.860172][ T6529] kobject_init_and_add+0x118/0x17c [ 233.861065][ T6529] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.861893][ T6529] gfs2_fill_super+0xdac/0x19e0 [ 233.862762][ T6529] get_tree_bdev+0x358/0x544 [ 233.863513][ T6529] gfs2_get_tree+0x54/0x1b4 [ 233.864209][ T6529] vfs_get_tree+0x90/0x274 [ 233.864876][ T6529] do_new_mount+0x228/0x810 [ 233.865529][ T6529] path_mount+0x5b4/0x1000 [ 233.866217][ T6529] __arm64_sys_mount+0x514/0x5e4 [ 233.866987][ T6529] invoke_syscall+0x98/0x2b8 [ 233.867770][ T6529] el0_svc_common+0x138/0x258 [ 233.868536][ T6529] do_el0_svc+0x58/0x14c [ 233.869218][ T6529] el0_svc+0x78/0x1e0 [ 233.869855][ T6529] el0t_64_sync_handler+0xcc/0xe4 [ 233.870675][ T6529] el0t_64_sync+0x1a0/0x1a4 [ 233.872914][ T6529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.874980][ T6529] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.007426][ T6531] loop1: detected capacity change from 0 to 32768 [ 234.010821][ T6531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.012026][ T6531] CPU: 1 PID: 6531 Comm: syz.1.694 Not tainted syzkaller #0 [ 234.013206][ T6531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.014789][ T6531] Call trace: [ 234.015257][ T6531] dump_backtrace+0x0/0x43c [ 234.016003][ T6531] show_stack+0x2c/0x3c [ 234.016688][ T6531] __dump_stack+0x30/0x40 [ 234.017423][ T6531] dump_stack_lvl+0xf8/0x160 [ 234.018128][ T6531] dump_stack+0x1c/0x5c [ 234.018779][ T6531] sysfs_create_dir_ns+0x22c/0x24c [ 234.019538][ T6531] kobject_add_internal+0x590/0xc54 [ 234.020316][ T6531] kobject_init_and_add+0x118/0x17c [ 234.021144][ T6531] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.021839][ T6531] gfs2_fill_super+0xdac/0x19e0 [ 234.022595][ T6531] get_tree_bdev+0x358/0x544 [ 234.023379][ T6531] gfs2_get_tree+0x54/0x1b4 [ 234.024133][ T6531] vfs_get_tree+0x90/0x274 [ 234.024890][ T6531] do_new_mount+0x228/0x810 [ 234.025638][ T6531] path_mount+0x5b4/0x1000 [ 234.026299][ T6531] __arm64_sys_mount+0x514/0x5e4 [ 234.027145][ T6531] invoke_syscall+0x98/0x2b8 [ 234.027909][ T6531] el0_svc_common+0x138/0x258 [ 234.028695][ T6531] do_el0_svc+0x58/0x14c [ 234.029351][ T6531] el0_svc+0x78/0x1e0 [ 234.030041][ T6531] el0t_64_sync_handler+0xcc/0xe4 [ 234.030882][ T6531] el0t_64_sync+0x1a0/0x1a4 [ 234.033065][ T6531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.035170][ T6531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.166033][ T6533] loop1: detected capacity change from 0 to 32768 [ 234.172994][ T6533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.174297][ T6533] CPU: 0 PID: 6533 Comm: syz.1.695 Not tainted syzkaller #0 [ 234.175605][ T6533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.177298][ T6533] Call trace: [ 234.177837][ T6533] dump_backtrace+0x0/0x43c [ 234.178564][ T6533] show_stack+0x2c/0x3c [ 234.179213][ T6533] __dump_stack+0x30/0x40 [ 234.179893][ T6533] dump_stack_lvl+0xf8/0x160 [ 234.180636][ T6533] dump_stack+0x1c/0x5c [ 234.181337][ T6533] sysfs_create_dir_ns+0x22c/0x24c [ 234.182214][ T6533] kobject_add_internal+0x590/0xc54 [ 234.183052][ T6533] kobject_init_and_add+0x118/0x17c [ 234.183903][ T6533] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.184769][ T6533] gfs2_fill_super+0xdac/0x19e0 [ 234.185572][ T6533] get_tree_bdev+0x358/0x544 [ 234.186348][ T6533] gfs2_get_tree+0x54/0x1b4 [ 234.187074][ T6533] vfs_get_tree+0x90/0x274 [ 234.187776][ T6533] do_new_mount+0x228/0x810 [ 234.188488][ T6533] path_mount+0x5b4/0x1000 [ 234.189184][ T6533] __arm64_sys_mount+0x514/0x5e4 [ 234.189913][ T6533] invoke_syscall+0x98/0x2b8 [ 234.190645][ T6533] el0_svc_common+0x138/0x258 [ 234.191371][ T6533] do_el0_svc+0x58/0x14c [ 234.192034][ T6533] el0_svc+0x78/0x1e0 [ 234.192684][ T6533] el0t_64_sync_handler+0xcc/0xe4 [ 234.193465][ T6533] el0t_64_sync+0x1a0/0x1a4 [ 234.194462][ T6533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.196426][ T6533] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.397342][ T6535] loop1: detected capacity change from 0 to 32768 [ 234.434686][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.435984][ T6535] CPU: 0 PID: 6535 Comm: syz.1.696 Not tainted syzkaller #0 [ 234.437134][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.438882][ T6535] Call trace: [ 234.439409][ T6535] dump_backtrace+0x0/0x43c [ 234.440148][ T6535] show_stack+0x2c/0x3c [ 234.440887][ T6535] __dump_stack+0x30/0x40 [ 234.441624][ T6535] dump_stack_lvl+0xf8/0x160 [ 234.442427][ T6535] dump_stack+0x1c/0x5c [ 234.443053][ T6535] sysfs_create_dir_ns+0x22c/0x24c [ 234.443845][ T6535] kobject_add_internal+0x590/0xc54 [ 234.444651][ T6535] kobject_init_and_add+0x118/0x17c [ 234.445485][ T6535] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.446218][ T6535] gfs2_fill_super+0xdac/0x19e0 [ 234.446961][ T6535] get_tree_bdev+0x358/0x544 [ 234.447710][ T6535] gfs2_get_tree+0x54/0x1b4 [ 234.448420][ T6535] vfs_get_tree+0x90/0x274 [ 234.449126][ T6535] do_new_mount+0x228/0x810 [ 234.449854][ T6535] path_mount+0x5b4/0x1000 [ 234.450597][ T6535] __arm64_sys_mount+0x514/0x5e4 [ 234.451366][ T6535] invoke_syscall+0x98/0x2b8 [ 234.452110][ T6535] el0_svc_common+0x138/0x258 [ 234.452888][ T6535] do_el0_svc+0x58/0x14c [ 234.453559][ T6535] el0_svc+0x78/0x1e0 [ 234.454219][ T6535] el0t_64_sync_handler+0xcc/0xe4 [ 234.455045][ T6535] el0t_64_sync+0x1a0/0x1a4 [ 234.456002][ T6535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.458086][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.590916][ T6537] loop1: detected capacity change from 0 to 32768 [ 234.640552][ T6537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.641715][ T6537] CPU: 0 PID: 6537 Comm: syz.1.697 Not tainted syzkaller #0 [ 234.642935][ T6537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.644456][ T6537] Call trace: [ 234.644957][ T6537] dump_backtrace+0x0/0x43c [ 234.645674][ T6537] show_stack+0x2c/0x3c [ 234.646327][ T6537] __dump_stack+0x30/0x40 [ 234.647055][ T6537] dump_stack_lvl+0xf8/0x160 [ 234.647794][ T6537] dump_stack+0x1c/0x5c [ 234.648478][ T6537] sysfs_create_dir_ns+0x22c/0x24c [ 234.649350][ T6537] kobject_add_internal+0x590/0xc54 [ 234.650195][ T6537] kobject_init_and_add+0x118/0x17c [ 234.651039][ T6537] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.651750][ T6537] gfs2_fill_super+0xdac/0x19e0 [ 234.652469][ T6537] get_tree_bdev+0x358/0x544 [ 234.653124][ T6537] gfs2_get_tree+0x54/0x1b4 [ 234.653813][ T6537] vfs_get_tree+0x90/0x274 [ 234.654470][ T6537] do_new_mount+0x228/0x810 [ 234.655190][ T6537] path_mount+0x5b4/0x1000 [ 234.655923][ T6537] __arm64_sys_mount+0x514/0x5e4 [ 234.656760][ T6537] invoke_syscall+0x98/0x2b8 [ 234.657420][ T6537] el0_svc_common+0x138/0x258 [ 234.658134][ T6537] do_el0_svc+0x58/0x14c [ 234.658760][ T6537] el0_svc+0x78/0x1e0 [ 234.659442][ T6537] el0t_64_sync_handler+0xcc/0xe4 [ 234.660315][ T6537] el0t_64_sync+0x1a0/0x1a4 [ 234.662815][ T6537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.664970][ T6537] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.792323][ T6539] loop1: detected capacity change from 0 to 32768 [ 234.830762][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.832002][ T6539] CPU: 0 PID: 6539 Comm: syz.1.698 Not tainted syzkaller #0 [ 234.833279][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.834835][ T6539] Call trace: [ 234.835394][ T6539] dump_backtrace+0x0/0x43c [ 234.836081][ T6539] show_stack+0x2c/0x3c [ 234.836706][ T6539] __dump_stack+0x30/0x40 [ 234.837472][ T6539] dump_stack_lvl+0xf8/0x160 [ 234.838245][ T6539] dump_stack+0x1c/0x5c [ 234.838946][ T6539] sysfs_create_dir_ns+0x22c/0x24c [ 234.839843][ T6539] kobject_add_internal+0x590/0xc54 [ 234.840725][ T6539] kobject_init_and_add+0x118/0x17c [ 234.841507][ T6539] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.842232][ T6539] gfs2_fill_super+0xdac/0x19e0 [ 234.843100][ T6539] get_tree_bdev+0x358/0x544 [ 234.843843][ T6539] gfs2_get_tree+0x54/0x1b4 [ 234.844518][ T6539] vfs_get_tree+0x90/0x274 [ 234.845184][ T6539] do_new_mount+0x228/0x810 [ 234.845861][ T6539] path_mount+0x5b4/0x1000 [ 234.846586][ T6539] __arm64_sys_mount+0x514/0x5e4 [ 234.847412][ T6539] invoke_syscall+0x98/0x2b8 [ 234.848139][ T6539] el0_svc_common+0x138/0x258 [ 234.848882][ T6539] do_el0_svc+0x58/0x14c [ 234.849573][ T6539] el0_svc+0x78/0x1e0 [ 234.850246][ T6539] el0t_64_sync_handler+0xcc/0xe4 [ 234.851095][ T6539] el0t_64_sync+0x1a0/0x1a4 [ 234.851949][ T6539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.853904][ T6539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.986267][ T6541] loop1: detected capacity change from 0 to 32768 [ 235.024215][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.025437][ T6541] CPU: 0 PID: 6541 Comm: syz.1.699 Not tainted syzkaller #0 [ 235.026605][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.028250][ T6541] Call trace: [ 235.028753][ T6541] dump_backtrace+0x0/0x43c [ 235.029481][ T6541] show_stack+0x2c/0x3c [ 235.030151][ T6541] __dump_stack+0x30/0x40 [ 235.030908][ T6541] dump_stack_lvl+0xf8/0x160 [ 235.031687][ T6541] dump_stack+0x1c/0x5c [ 235.032403][ T6541] sysfs_create_dir_ns+0x22c/0x24c [ 235.033282][ T6541] kobject_add_internal+0x590/0xc54 [ 235.034161][ T6541] kobject_init_and_add+0x118/0x17c [ 235.035035][ T6541] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.035776][ T6541] gfs2_fill_super+0xdac/0x19e0 [ 235.036571][ T6541] get_tree_bdev+0x358/0x544 [ 235.037275][ T6541] gfs2_get_tree+0x54/0x1b4 [ 235.038026][ T6541] vfs_get_tree+0x90/0x274 [ 235.038693][ T6541] do_new_mount+0x228/0x810 [ 235.039410][ T6541] path_mount+0x5b4/0x1000 [ 235.040140][ T6541] __arm64_sys_mount+0x514/0x5e4 [ 235.041047][ T6541] invoke_syscall+0x98/0x2b8 [ 235.041908][ T6541] el0_svc_common+0x138/0x258 [ 235.042728][ T6541] do_el0_svc+0x58/0x14c [ 235.043398][ T6541] el0_svc+0x78/0x1e0 [ 235.044045][ T6541] el0t_64_sync_handler+0xcc/0xe4 [ 235.044834][ T6541] el0t_64_sync+0x1a0/0x1a4 [ 235.045682][ T6541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.047810][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.183690][ T6543] loop1: detected capacity change from 0 to 32768 [ 235.222298][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.223488][ T6543] CPU: 0 PID: 6543 Comm: syz.1.700 Not tainted syzkaller #0 [ 235.224716][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.226356][ T6543] Call trace: [ 235.226858][ T6543] dump_backtrace+0x0/0x43c [ 235.227630][ T6543] show_stack+0x2c/0x3c [ 235.228333][ T6543] __dump_stack+0x30/0x40 [ 235.229006][ T6543] dump_stack_lvl+0xf8/0x160 [ 235.229713][ T6543] dump_stack+0x1c/0x5c [ 235.230447][ T6543] sysfs_create_dir_ns+0x22c/0x24c [ 235.231294][ T6543] kobject_add_internal+0x590/0xc54 [ 235.232114][ T6543] kobject_init_and_add+0x118/0x17c [ 235.232918][ T6543] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.233635][ T6543] gfs2_fill_super+0xdac/0x19e0 [ 235.234415][ T6543] get_tree_bdev+0x358/0x544 [ 235.235169][ T6543] gfs2_get_tree+0x54/0x1b4 [ 235.235936][ T6543] vfs_get_tree+0x90/0x274 [ 235.236614][ T6543] do_new_mount+0x228/0x810 [ 235.237380][ T6543] path_mount+0x5b4/0x1000 [ 235.238053][ T6543] __arm64_sys_mount+0x514/0x5e4 [ 235.238747][ T6543] invoke_syscall+0x98/0x2b8 [ 235.239430][ T6543] el0_svc_common+0x138/0x258 [ 235.240139][ T6543] do_el0_svc+0x58/0x14c [ 235.240692][ T6543] el0_svc+0x78/0x1e0 [ 235.241389][ T6543] el0t_64_sync_handler+0xcc/0xe4 [ 235.242229][ T6543] el0t_64_sync+0x1a0/0x1a4 [ 235.244575][ T6543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.246604][ T6543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.374840][ T6545] loop1: detected capacity change from 0 to 32768 [ 235.423897][ T6545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.425096][ T6545] CPU: 0 PID: 6545 Comm: syz.1.701 Not tainted syzkaller #0 [ 235.426300][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.428058][ T6545] Call trace: [ 235.428596][ T6545] dump_backtrace+0x0/0x43c [ 235.429351][ T6545] show_stack+0x2c/0x3c [ 235.430055][ T6545] __dump_stack+0x30/0x40 [ 235.430781][ T6545] dump_stack_lvl+0xf8/0x160 [ 235.431586][ T6545] dump_stack+0x1c/0x5c [ 235.432273][ T6545] sysfs_create_dir_ns+0x22c/0x24c [ 235.433118][ T6545] kobject_add_internal+0x590/0xc54 [ 235.433884][ T6545] kobject_init_and_add+0x118/0x17c [ 235.434756][ T6545] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.435518][ T6545] gfs2_fill_super+0xdac/0x19e0 [ 235.436313][ T6545] get_tree_bdev+0x358/0x544 [ 235.437106][ T6545] gfs2_get_tree+0x54/0x1b4 [ 235.437873][ T6545] vfs_get_tree+0x90/0x274 [ 235.438494][ T6545] do_new_mount+0x228/0x810 [ 235.439262][ T6545] path_mount+0x5b4/0x1000 [ 235.439954][ T6545] __arm64_sys_mount+0x514/0x5e4 [ 235.440765][ T6545] invoke_syscall+0x98/0x2b8 [ 235.441480][ T6545] el0_svc_common+0x138/0x258 [ 235.442247][ T6545] do_el0_svc+0x58/0x14c [ 235.442992][ T6545] el0_svc+0x78/0x1e0 [ 235.443600][ T6545] el0t_64_sync_handler+0xcc/0xe4 [ 235.444418][ T6545] el0t_64_sync+0x1a0/0x1a4 [ 235.446434][ T6545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.448437][ T6545] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.585419][ T6547] loop1: detected capacity change from 0 to 32768 [ 235.625370][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.626565][ T6547] CPU: 1 PID: 6547 Comm: syz.1.702 Not tainted syzkaller #0 [ 235.627720][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.629370][ T6547] Call trace: [ 235.629900][ T6547] dump_backtrace+0x0/0x43c [ 235.630672][ T6547] show_stack+0x2c/0x3c [ 235.631295][ T6547] __dump_stack+0x30/0x40 [ 235.632042][ T6547] dump_stack_lvl+0xf8/0x160 [ 235.632773][ T6547] dump_stack+0x1c/0x5c [ 235.633442][ T6547] sysfs_create_dir_ns+0x22c/0x24c [ 235.634310][ T6547] kobject_add_internal+0x590/0xc54 [ 235.635104][ T6547] kobject_init_and_add+0x118/0x17c [ 235.635883][ T6547] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.636699][ T6547] gfs2_fill_super+0xdac/0x19e0 [ 235.637529][ T6547] get_tree_bdev+0x358/0x544 [ 235.638328][ T6547] gfs2_get_tree+0x54/0x1b4 [ 235.639093][ T6547] vfs_get_tree+0x90/0x274 [ 235.639845][ T6547] do_new_mount+0x228/0x810 [ 235.640620][ T6547] path_mount+0x5b4/0x1000 [ 235.641413][ T6547] __arm64_sys_mount+0x514/0x5e4 [ 235.642275][ T6547] invoke_syscall+0x98/0x2b8 [ 235.643067][ T6547] el0_svc_common+0x138/0x258 [ 235.643821][ T6547] do_el0_svc+0x58/0x14c [ 235.644543][ T6547] el0_svc+0x78/0x1e0 [ 235.645123][ T6547] el0t_64_sync_handler+0xcc/0xe4 [ 235.645900][ T6547] el0t_64_sync+0x1a0/0x1a4 [ 235.648505][ T6547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.650566][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.776729][ T6549] loop1: detected capacity change from 0 to 32768 [ 235.830672][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.832108][ T6549] CPU: 0 PID: 6549 Comm: syz.1.703 Not tainted syzkaller #0 [ 235.833276][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.834968][ T6549] Call trace: [ 235.835482][ T6549] dump_backtrace+0x0/0x43c [ 235.836157][ T6549] show_stack+0x2c/0x3c [ 235.836845][ T6549] __dump_stack+0x30/0x40 [ 235.837515][ T6549] dump_stack_lvl+0xf8/0x160 [ 235.838207][ T6549] dump_stack+0x1c/0x5c [ 235.838848][ T6549] sysfs_create_dir_ns+0x22c/0x24c [ 235.839667][ T6549] kobject_add_internal+0x590/0xc54 [ 235.840509][ T6549] kobject_init_and_add+0x118/0x17c [ 235.841357][ T6549] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.842183][ T6549] gfs2_fill_super+0xdac/0x19e0 [ 235.842968][ T6549] get_tree_bdev+0x358/0x544 [ 235.843728][ T6549] gfs2_get_tree+0x54/0x1b4 [ 235.844471][ T6549] vfs_get_tree+0x90/0x274 [ 235.845158][ T6549] do_new_mount+0x228/0x810 [ 235.845854][ T6549] path_mount+0x5b4/0x1000 [ 235.846527][ T6549] __arm64_sys_mount+0x514/0x5e4 [ 235.847269][ T6549] invoke_syscall+0x98/0x2b8 [ 235.847947][ T6549] el0_svc_common+0x138/0x258 [ 235.848685][ T6549] do_el0_svc+0x58/0x14c [ 235.849369][ T6549] el0_svc+0x78/0x1e0 [ 235.850012][ T6549] el0t_64_sync_handler+0xcc/0xe4 [ 235.850839][ T6549] el0t_64_sync+0x1a0/0x1a4 [ 235.852896][ T6549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.854933][ T6549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.984165][ T6551] loop1: detected capacity change from 0 to 32768 [ 235.992293][ T6551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.993501][ T6551] CPU: 1 PID: 6551 Comm: syz.1.704 Not tainted syzkaller #0 [ 235.994634][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.996103][ T6551] Call trace: [ 235.996558][ T6551] dump_backtrace+0x0/0x43c [ 235.997182][ T6551] show_stack+0x2c/0x3c [ 235.997838][ T6551] __dump_stack+0x30/0x40 [ 235.998420][ T6551] dump_stack_lvl+0xf8/0x160 [ 235.999125][ T6551] dump_stack+0x1c/0x5c [ 235.999855][ T6551] sysfs_create_dir_ns+0x22c/0x24c [ 236.000713][ T6551] kobject_add_internal+0x590/0xc54 [ 236.001535][ T6551] kobject_init_and_add+0x118/0x17c [ 236.002363][ T6551] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.003160][ T6551] gfs2_fill_super+0xdac/0x19e0 [ 236.003960][ T6551] get_tree_bdev+0x358/0x544 [ 236.004689][ T6551] gfs2_get_tree+0x54/0x1b4 [ 236.005386][ T6551] vfs_get_tree+0x90/0x274 [ 236.006076][ T6551] do_new_mount+0x228/0x810 [ 236.006831][ T6551] path_mount+0x5b4/0x1000 [ 236.007610][ T6551] __arm64_sys_mount+0x514/0x5e4 [ 236.008473][ T6551] invoke_syscall+0x98/0x2b8 [ 236.009209][ T6551] el0_svc_common+0x138/0x258 [ 236.009907][ T6551] do_el0_svc+0x58/0x14c [ 236.010541][ T6551] el0_svc+0x78/0x1e0 [ 236.011150][ T6551] el0t_64_sync_handler+0xcc/0xe4 [ 236.011974][ T6551] el0t_64_sync+0x1a0/0x1a4 [ 236.013471][ T27] INFO: task kworker/1:11:4173 blocked for more than 143 seconds. [ 236.014679][ T27] Not tainted syzkaller #0 [ 236.015373][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.016608][ T27] task:kworker/1:11 state:D stack: 0 pid: 4173 ppid: 2 flags:0x00000008 [ 236.017966][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 236.018956][ T27] Call trace: [ 236.020789][ T6551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.022870][ T6551] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.024254][ T27] __switch_to+0x2f4/0x558 [ 236.024998][ T27] __schedule+0xe08/0x1bf8 [ 236.025730][ T27] schedule+0x11c/0x1c8 [ 236.026439][ T27] io_schedule+0x84/0x160 [ 236.027183][ T27] wait_on_page_bit_common+0x61c/0xa74 [ 236.028009][ T27] wait_on_page_bit+0x58/0x68 [ 236.028734][ T27] gfs2_jhead_process_page+0x1e0/0x698 [ 236.030040][ T27] gfs2_find_jhead+0xb6c/0xca8 [ 236.030701][ T27] gfs2_recover_func+0x500/0x157c [ 236.031510][ T27] process_one_work+0x79c/0x1140 [ 236.032298][ T27] worker_thread+0x8f4/0x101c [ 236.033050][ T27] kthread+0x374/0x454 [ 236.033749][ T27] ret_from_fork+0x10/0x20 [ 236.034457][ T27] INFO: task syz.0.17:5124 blocked for more than 143 seconds. [ 236.035582][ T27] Not tainted syzkaller #0 [ 236.036389][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.037615][ T27] task:syz.0.17 state:D stack: 0 pid: 5124 ppid: 4988 flags:0x00000009 [ 236.039033][ T27] Call trace: [ 236.039768][ T27] __switch_to+0x2f4/0x558 [ 236.040472][ T27] __schedule+0xe08/0x1bf8 [ 236.041141][ T27] schedule+0x11c/0x1c8 [ 236.041737][ T27] bit_wait+0x1c/0xac [ 236.042329][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 236.043152][ T27] gfs2_recover_journal+0xf0/0x16c [ 236.043878][ T27] init_journal+0x133c/0x1d7c [ 236.044542][ T27] init_inodes+0xe0/0x2d4 [ 236.045216][ T27] gfs2_fill_super+0x121c/0x19e0 [ 236.045982][ T27] get_tree_bdev+0x358/0x544 [ 236.046729][ T27] gfs2_get_tree+0x54/0x1b4 [ 236.047490][ T27] vfs_get_tree+0x90/0x274 [ 236.048203][ T27] do_new_mount+0x228/0x810 [ 236.048941][ T27] path_mount+0x5b4/0x1000 [ 236.050383][ T27] __arm64_sys_mount+0x514/0x5e4 [ 236.051129][ T27] invoke_syscall+0x98/0x2b8 [ 236.052117][ T27] el0_svc_common+0x138/0x258 [ 236.052848][ T27] do_el0_svc+0x58/0x14c [ 236.053497][ T27] el0_svc+0x78/0x1e0 [ 236.054105][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 236.054966][ T27] el0t_64_sync+0x1a0/0x1a4 [ 236.055737][ T27] [ 236.055737][ T27] Showing all locks held in the system: [ 236.057017][ T27] 1 lock held by khungtaskd/27: [ 236.057811][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 236.059631][ T27] 2 locks held by getty/3807: [ 236.060420][ T27] #0: ffff0000d50a2098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 236.061898][ T27] #1: ffff80001be2b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 236.063529][ T27] 2 locks held by kworker/1:11/4173: [ 236.064358][ T27] #0: ffff0000c7304938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 236.066147][ T27] #1: ffff80001fb87c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 236.068048][ T27] 1 lock held by syz.0.17/5124: [ 236.068770][ T27] #0: ffff0000c8e0e0e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 [ 236.070516][ T27] 1 lock held by syz-executor/6360: [ 236.071302][ T27] #0: ffff0000cba39118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 [ 236.072735][ T27] 2 locks held by udevd/6362: [ 236.073427][ T27] #0: ffff0000cba39118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 236.074789][ T27] #1: ffff0000cba06468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 [ 236.076073][ T27] [ 236.076423][ T27] ============================================= [ 236.076423][ T27] [ 236.077652][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 236.078689][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 236.079852][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 236.081422][ T27] Call trace: [ 236.081920][ T27] dump_backtrace+0x0/0x43c [ 236.082610][ T27] show_stack+0x2c/0x3c [ 236.083270][ T27] __dump_stack+0x30/0x40 [ 236.083928][ T27] dump_stack_lvl+0xf8/0x160 [ 236.084623][ T27] dump_stack+0x1c/0x5c [ 236.085223][ T27] panic+0x2e4/0x854 [ 236.085814][ T27] hung_task_panic+0x0/0x2c [ 236.086519][ T27] kthread+0x374/0x454 [ 236.087071][ T27] ret_from_fork+0x10/0x20 [ 236.087746][ T27] SMP: stopping secondary CPUs [ 236.088477][ T27] Kernel Offset: disabled [ 236.089108][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 236.089992][ T27] Memory Limit: none [ 236.423873][ T27] Rebooting in 86400 seconds..