bdev+0x358/0x544 [ 210.341896][ T6220] gfs2_get_tree+0x54/0x1b4 [ 210.342557][ T6220] vfs_get_tree+0x90/0x274 [ 210.343154][ T6220] do_new_mount+0x228/0x810 [ 210.343763][ T6220] path_mount+0x5b4/0x1000 [ 210.344423][ T6220] __arm64_sys_mount+0x514/0x5e4 [ 210.345184][ T6220] invoke_syscall+0x98/0x2b8 [ 210.345892][ T6220] el0_svc_common+0x138/0x258 [ 210.346631][ T6220] do_el0_svc+0x58/0x14c [ 210.347307][ T6220] el0_svc+0x78/0x1e0 [ 210.347879][ T6220] el0t_64_sync_handler+0xcc/0xe4 [ 210.348628][ T6220] el0t_64_sync+0x1a0/0x1a4 [ 210.350883][ T6220] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.352739][ T6220] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.480884][ T6222] loop1: detected capacity change from 0 to 32768 [ 210.536565][ T6222] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.537841][ T6222] CPU: 1 PID: 6222 Comm: syz.1.617 Not tainted syzkaller #0 [ 210.538965][ T6222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.540476][ T6222] Call trace: [ 210.540952][ T6222] dump_backtrace+0x0/0x43c [ 210.541605][ T6222] show_stack+0x2c/0x3c [ 210.542215][ T6222] __dump_stack+0x30/0x40 [ 210.542872][ T6222] dump_stack_lvl+0xf8/0x160 [ 210.543579][ T6222] dump_stack+0x1c/0x5c [ 210.544223][ T6222] sysfs_create_dir_ns+0x22c/0x24c [ 210.545051][ T6222] kobject_add_internal+0x590/0xc54 [ 210.545829][ T6222] kobject_init_and_add+0x118/0x17c [ 210.546616][ T6222] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.547349][ T6222] gfs2_fill_super+0xdac/0x19e0 [ 210.548064][ T6222] get_tree_bdev+0x358/0x544 [ 210.548696][ T6222] gfs2_get_tree+0x54/0x1b4 [ 210.549359][ T6222] vfs_get_tree+0x90/0x274 [ 210.549995][ T6222] do_new_mount+0x228/0x810 [ 210.550711][ T6222] path_mount+0x5b4/0x1000 [ 210.551351][ T6222] __arm64_sys_mount+0x514/0x5e4 [ 210.552165][ T6222] invoke_syscall+0x98/0x2b8 [ 210.552909][ T6222] el0_svc_common+0x138/0x258 [ 210.553730][ T6222] do_el0_svc+0x58/0x14c [ 210.554439][ T6222] el0_svc+0x78/0x1e0 [ 210.555132][ T6222] el0t_64_sync_handler+0xcc/0xe4 [ 210.555999][ T6222] el0t_64_sync+0x1a0/0x1a4 [ 210.558181][ T6222] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.560654][ T6222] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.626129][ T6224] chnl_net:caif_netlink_parms(): no params data found [ 210.642943][ T6224] bridge0: port 1(bridge_slave_0) entered blocking state [ 210.644402][ T6224] bridge0: port 1(bridge_slave_0) entered disabled state [ 210.645921][ T6224] device bridge_slave_0 entered promiscuous mode [ 210.648054][ T6224] bridge0: port 2(bridge_slave_1) entered blocking state [ 210.649244][ T6224] bridge0: port 2(bridge_slave_1) entered disabled state [ 210.650632][ T6224] device bridge_slave_1 entered promiscuous mode [ 210.658652][ T6224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 210.661478][ T6224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 210.672543][ T6224] team0: Port device team_slave_0 added [ 210.674699][ T6224] team0: Port device team_slave_1 added [ 210.681016][ T6224] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 210.682161][ T6224] 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. [ 210.688069][ T6224] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 210.690392][ T6224] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 210.691456][ T6224] 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. [ 210.695579][ T6224] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 210.745652][ T6224] device hsr_slave_0 entered promiscuous mode [ 210.804160][ T6224] device hsr_slave_1 entered promiscuous mode [ 210.843918][ T6224] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 210.845113][ T6224] Cannot create hsr debugfs directory [ 210.881748][ T6224] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.377252][ T6224] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.437856][ T6224] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.477668][ T6224] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 211.628000][ T6224] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 211.665347][ T6224] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 211.711550][ T6224] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 211.757794][ T6224] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 211.819211][ T6224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 211.822895][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 211.824785][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 211.827194][ T6224] 8021q: adding VLAN 0 to HW filter on device team0 [ 211.829648][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 211.831253][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 211.832668][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 211.833685][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 211.835532][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 211.838197][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 211.839718][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 211.841149][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 211.842221][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 211.849146][ T1610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 211.852261][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 211.856184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 211.858396][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 211.860117][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 211.862714][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 211.865286][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 211.870217][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 211.871818][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 211.873137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 211.874675][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 211.876577][ T6224] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 211.915962][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 211.917190][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 211.920642][ T6224] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 211.926564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 211.928201][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 211.937398][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 211.938884][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 211.940619][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 211.941964][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 211.943327][ T6224] device veth0_vlan entered promiscuous mode [ 211.947442][ T6224] device veth1_vlan entered promiscuous mode [ 211.953804][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 211.955723][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 211.957212][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 211.958769][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 211.961045][ T6224] device veth0_macvtap entered promiscuous mode [ 211.963428][ T6224] device veth1_macvtap entered promiscuous mode [ 211.971801][ T6224] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 211.973491][ T6224] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.975321][ T6224] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 211.977003][ T6224] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.978945][ T6224] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 211.980079][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 211.981517][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 211.982952][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 211.985056][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 211.987736][ T6224] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 211.989426][ T6224] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.990935][ T6224] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 211.992836][ T6224] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 211.995333][ T6224] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 211.996558][ T677] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 211.998131][ T677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 212.000536][ T6224] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.001815][ T6224] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.003169][ T6224] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.004754][ T6224] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.029978][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 212.031235][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 212.032922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 212.040565][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 212.041784][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 212.043252][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 212.180541][ T6242] loop1: detected capacity change from 0 to 32768 [ 212.229973][ T6242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.231214][ T6242] CPU: 1 PID: 6242 Comm: syz.1.618 Not tainted syzkaller #0 [ 212.232361][ T6242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.233795][ T6242] Call trace: [ 212.234260][ T6242] dump_backtrace+0x0/0x43c [ 212.234929][ T6242] show_stack+0x2c/0x3c [ 212.235535][ T6242] __dump_stack+0x30/0x40 [ 212.236214][ T6242] dump_stack_lvl+0xf8/0x160 [ 212.236875][ T6242] dump_stack+0x1c/0x5c [ 212.237594][ T6242] sysfs_create_dir_ns+0x22c/0x24c [ 212.238452][ T6242] kobject_add_internal+0x590/0xc54 [ 212.239324][ T6242] kobject_init_and_add+0x118/0x17c [ 212.240151][ T6242] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.240930][ T6242] gfs2_fill_super+0xdac/0x19e0 [ 212.241702][ T6242] get_tree_bdev+0x358/0x544 [ 212.242401][ T6242] gfs2_get_tree+0x54/0x1b4 [ 212.243044][ T6242] vfs_get_tree+0x90/0x274 [ 212.243745][ T6242] do_new_mount+0x228/0x810 [ 212.244413][ T6242] path_mount+0x5b4/0x1000 [ 212.245044][ T6242] __arm64_sys_mount+0x514/0x5e4 [ 212.245759][ T6242] invoke_syscall+0x98/0x2b8 [ 212.246415][ T6242] el0_svc_common+0x138/0x258 [ 212.247089][ T6242] do_el0_svc+0x58/0x14c [ 212.247788][ T6242] el0_svc+0x78/0x1e0 [ 212.248408][ T6242] el0t_64_sync_handler+0xcc/0xe4 [ 212.249238][ T6242] el0t_64_sync+0x1a0/0x1a4 [ 212.251478][ T6242] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.253560][ T6242] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:32 executed programs: 605 [ 212.383124][ T6244] loop1: detected capacity change from 0 to 32768 [ 212.435110][ T6244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.436251][ T6244] CPU: 1 PID: 6244 Comm: syz.1.619 Not tainted syzkaller #0 [ 212.437310][ T6244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.438766][ T6244] Call trace: [ 212.439251][ T6244] dump_backtrace+0x0/0x43c [ 212.439978][ T6244] show_stack+0x2c/0x3c [ 212.440681][ T6244] __dump_stack+0x30/0x40 [ 212.441379][ T6244] dump_stack_lvl+0xf8/0x160 [ 212.442156][ T6244] dump_stack+0x1c/0x5c [ 212.442793][ T6244] sysfs_create_dir_ns+0x22c/0x24c [ 212.443562][ T6244] kobject_add_internal+0x590/0xc54 [ 212.444428][ T6244] kobject_init_and_add+0x118/0x17c [ 212.445281][ T6244] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.446071][ T6244] gfs2_fill_super+0xdac/0x19e0 [ 212.446879][ T6244] get_tree_bdev+0x358/0x544 [ 212.447651][ T6244] gfs2_get_tree+0x54/0x1b4 [ 212.448369][ T6244] vfs_get_tree+0x90/0x274 [ 212.449120][ T6244] do_new_mount+0x228/0x810 [ 212.449887][ T6244] path_mount+0x5b4/0x1000 [ 212.450603][ T6244] __arm64_sys_mount+0x514/0x5e4 [ 212.451378][ T6244] invoke_syscall+0x98/0x2b8 [ 212.452113][ T6244] el0_svc_common+0x138/0x258 [ 212.452940][ T6244] do_el0_svc+0x58/0x14c [ 212.453628][ T6244] el0_svc+0x78/0x1e0 [ 212.454325][ T6244] el0t_64_sync_handler+0xcc/0xe4 [ 212.455151][ T6244] el0t_64_sync+0x1a0/0x1a4 [ 212.457940][ T6244] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.459760][ T6244] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.602106][ T6246] loop1: detected capacity change from 0 to 32768 [ 212.609717][ T351] device hsr_slave_0 left promiscuous mode [ 212.654887][ T351] device hsr_slave_1 left promiscuous mode [ 212.656761][ T6246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.657933][ T6246] CPU: 0 PID: 6246 Comm: syz.1.620 Not tainted syzkaller #0 [ 212.659002][ T6246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.660508][ T6246] Call trace: [ 212.660966][ T6246] dump_backtrace+0x0/0x43c [ 212.661690][ T6246] show_stack+0x2c/0x3c [ 212.662284][ T6246] __dump_stack+0x30/0x40 [ 212.662968][ T6246] dump_stack_lvl+0xf8/0x160 [ 212.663657][ T6246] dump_stack+0x1c/0x5c [ 212.664243][ T6246] sysfs_create_dir_ns+0x22c/0x24c [ 212.664994][ T6246] kobject_add_internal+0x590/0xc54 [ 212.665766][ T6246] kobject_init_and_add+0x118/0x17c [ 212.666624][ T6246] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.667373][ T6246] gfs2_fill_super+0xdac/0x19e0 [ 212.668105][ T6246] get_tree_bdev+0x358/0x544 [ 212.668900][ T6246] gfs2_get_tree+0x54/0x1b4 [ 212.669690][ T6246] vfs_get_tree+0x90/0x274 [ 212.670381][ T6246] do_new_mount+0x228/0x810 [ 212.671064][ T6246] path_mount+0x5b4/0x1000 [ 212.671722][ T6246] __arm64_sys_mount+0x514/0x5e4 [ 212.672511][ T6246] invoke_syscall+0x98/0x2b8 [ 212.673266][ T6246] el0_svc_common+0x138/0x258 [ 212.673952][ T6246] do_el0_svc+0x58/0x14c [ 212.674613][ T6246] el0_svc+0x78/0x1e0 [ 212.675205][ T6246] el0t_64_sync_handler+0xcc/0xe4 [ 212.675951][ T6246] el0t_64_sync+0x1a0/0x1a4 [ 212.677748][ T6246] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.679618][ T6246] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.684205][ T4074] Bluetooth: hci2: command 0x0409 tx timeout [ 212.733986][ T351] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 212.735296][ T351] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 212.737297][ T351] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 212.738426][ T351] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 212.739785][ T351] device bridge_slave_1 left promiscuous mode [ 212.740774][ T351] bridge0: port 2(bridge_slave_1) entered disabled state [ 212.774957][ T351] device bridge_slave_0 left promiscuous mode [ 212.776141][ T351] bridge0: port 1(bridge_slave_0) entered disabled state [ 212.864619][ T6248] loop1: detected capacity change from 0 to 32768 [ 212.907079][ T6248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.908436][ T6248] CPU: 1 PID: 6248 Comm: syz.1.621 Not tainted syzkaller #0 [ 212.909503][ T6248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.911128][ T6248] Call trace: [ 212.911679][ T6248] dump_backtrace+0x0/0x43c [ 212.912440][ T6248] show_stack+0x2c/0x3c [ 212.913149][ T6248] __dump_stack+0x30/0x40 [ 212.913865][ T6248] dump_stack_lvl+0xf8/0x160 [ 212.914599][ T6248] dump_stack+0x1c/0x5c [ 212.915261][ T6248] sysfs_create_dir_ns+0x22c/0x24c [ 212.916053][ T6248] kobject_add_internal+0x590/0xc54 [ 212.916902][ T6248] kobject_init_and_add+0x118/0x17c [ 212.917712][ T6248] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.918424][ T6248] gfs2_fill_super+0xdac/0x19e0 [ 212.919134][ T6248] get_tree_bdev+0x358/0x544 [ 212.919822][ T6248] gfs2_get_tree+0x54/0x1b4 [ 212.920510][ T6248] vfs_get_tree+0x90/0x274 [ 212.921244][ T6248] do_new_mount+0x228/0x810 [ 212.922021][ T6248] path_mount+0x5b4/0x1000 [ 212.922799][ T6248] __arm64_sys_mount+0x514/0x5e4 [ 212.923643][ T6248] invoke_syscall+0x98/0x2b8 [ 212.924359][ T6248] el0_svc_common+0x138/0x258 [ 212.925116][ T6248] do_el0_svc+0x58/0x14c [ 212.925876][ T6248] el0_svc+0x78/0x1e0 [ 212.926533][ T6248] el0t_64_sync_handler+0xcc/0xe4 [ 212.927330][ T6248] el0t_64_sync+0x1a0/0x1a4 [ 212.929796][ T351] device veth1_macvtap left promiscuous mode [ 212.930759][ T351] device veth0_macvtap left promiscuous mode [ 212.931795][ T351] device veth1_vlan left promiscuous mode [ 212.932712][ T351] device veth0_vlan left promiscuous mode [ 212.942532][ T6248] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.944828][ T6248] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.021115][ T351] team0 (unregistering): Port device team_slave_1 removed [ 213.026527][ T351] team0 (unregistering): Port device team_slave_0 removed [ 213.037871][ T351] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 213.078770][ T351] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 213.170616][ T6250] loop1: detected capacity change from 0 to 32768 [ 213.177652][ T351] bond0 (unregistering): Released all slaves [ 213.248496][ T6250] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.249732][ T6250] CPU: 1 PID: 6250 Comm: syz.1.622 Not tainted syzkaller #0 [ 213.250937][ T6250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.252567][ T6250] Call trace: [ 213.253101][ T6250] dump_backtrace+0x0/0x43c [ 213.253841][ T6250] show_stack+0x2c/0x3c [ 213.254469][ T6250] __dump_stack+0x30/0x40 [ 213.255203][ T6250] dump_stack_lvl+0xf8/0x160 [ 213.255943][ T6250] dump_stack+0x1c/0x5c [ 213.256581][ T6250] sysfs_create_dir_ns+0x22c/0x24c [ 213.257443][ T6250] kobject_add_internal+0x590/0xc54 [ 213.258294][ T6250] kobject_init_and_add+0x118/0x17c [ 213.259166][ T6250] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.259933][ T6250] gfs2_fill_super+0xdac/0x19e0 [ 213.260722][ T6250] get_tree_bdev+0x358/0x544 [ 213.261542][ T6250] gfs2_get_tree+0x54/0x1b4 [ 213.262267][ T6250] vfs_get_tree+0x90/0x274 [ 213.263003][ T6250] do_new_mount+0x228/0x810 [ 213.263748][ T6250] path_mount+0x5b4/0x1000 [ 213.264456][ T6250] __arm64_sys_mount+0x514/0x5e4 [ 213.265244][ T6250] invoke_syscall+0x98/0x2b8 [ 213.265983][ T6250] el0_svc_common+0x138/0x258 [ 213.266736][ T6250] do_el0_svc+0x58/0x14c [ 213.267374][ T6250] el0_svc+0x78/0x1e0 [ 213.268029][ T6250] el0t_64_sync_handler+0xcc/0xe4 [ 213.268841][ T6250] el0t_64_sync+0x1a0/0x1a4 [ 213.271190][ T6250] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.273105][ T6250] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.418910][ T6252] loop1: detected capacity change from 0 to 32768 [ 213.473217][ T6252] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.474533][ T6252] CPU: 0 PID: 6252 Comm: syz.1.623 Not tainted syzkaller #0 [ 213.475600][ T6252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.477081][ T6252] Call trace: [ 213.477545][ T6252] dump_backtrace+0x0/0x43c [ 213.478253][ T6252] show_stack+0x2c/0x3c [ 213.478887][ T6252] __dump_stack+0x30/0x40 [ 213.479552][ T6252] dump_stack_lvl+0xf8/0x160 [ 213.480244][ T6252] dump_stack+0x1c/0x5c [ 213.480897][ T6252] sysfs_create_dir_ns+0x22c/0x24c [ 213.481707][ T6252] kobject_add_internal+0x590/0xc54 [ 213.482522][ T6252] kobject_init_and_add+0x118/0x17c [ 213.483318][ T6252] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.484052][ T6252] gfs2_fill_super+0xdac/0x19e0 [ 213.484716][ T6252] get_tree_bdev+0x358/0x544 [ 213.485394][ T6252] gfs2_get_tree+0x54/0x1b4 [ 213.486039][ T6252] vfs_get_tree+0x90/0x274 [ 213.486737][ T6252] do_new_mount+0x228/0x810 [ 213.487473][ T6252] path_mount+0x5b4/0x1000 [ 213.488114][ T6252] __arm64_sys_mount+0x514/0x5e4 [ 213.488883][ T6252] invoke_syscall+0x98/0x2b8 [ 213.489559][ T6252] el0_svc_common+0x138/0x258 [ 213.490448][ T6252] do_el0_svc+0x58/0x14c [ 213.491097][ T6252] el0_svc+0x78/0x1e0 [ 213.491690][ T6252] el0t_64_sync_handler+0xcc/0xe4 [ 213.492369][ T6252] el0t_64_sync+0x1a0/0x1a4 [ 213.493415][ T6252] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.495388][ T6252] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.631732][ T6254] loop1: detected capacity change from 0 to 32768 [ 213.718351][ T6254] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.719571][ T6254] CPU: 1 PID: 6254 Comm: syz.1.624 Not tainted syzkaller #0 [ 213.720721][ T6254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.722411][ T6254] Call trace: [ 213.722890][ T6254] dump_backtrace+0x0/0x43c [ 213.723615][ T6254] show_stack+0x2c/0x3c [ 213.724301][ T6254] __dump_stack+0x30/0x40 [ 213.724961][ T6254] dump_stack_lvl+0xf8/0x160 [ 213.725674][ T6254] dump_stack+0x1c/0x5c [ 213.726382][ T6254] sysfs_create_dir_ns+0x22c/0x24c [ 213.727244][ T6254] kobject_add_internal+0x590/0xc54 [ 213.728162][ T6254] kobject_init_and_add+0x118/0x17c [ 213.729031][ T6254] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.729785][ T6254] gfs2_fill_super+0xdac/0x19e0 [ 213.730489][ T6254] get_tree_bdev+0x358/0x544 [ 213.731166][ T6254] gfs2_get_tree+0x54/0x1b4 [ 213.731916][ T6254] vfs_get_tree+0x90/0x274 [ 213.732599][ T6254] do_new_mount+0x228/0x810 [ 213.733381][ T6254] path_mount+0x5b4/0x1000 [ 213.734153][ T6254] __arm64_sys_mount+0x514/0x5e4 [ 213.734948][ T6254] invoke_syscall+0x98/0x2b8 [ 213.735658][ T6254] el0_svc_common+0x138/0x258 [ 213.736414][ T6254] do_el0_svc+0x58/0x14c [ 213.737035][ T6254] el0_svc+0x78/0x1e0 [ 213.737693][ T6254] el0t_64_sync_handler+0xcc/0xe4 [ 213.738496][ T6254] el0t_64_sync+0x1a0/0x1a4 [ 213.739763][ T6254] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.741997][ T6254] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.918764][ T6256] loop1: detected capacity change from 0 to 32768 [ 213.955806][ T6256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.957006][ T6256] CPU: 1 PID: 6256 Comm: syz.1.625 Not tainted syzkaller #0 [ 213.958176][ T6256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.959848][ T6256] Call trace: [ 213.960372][ T6256] dump_backtrace+0x0/0x43c [ 213.961130][ T6256] show_stack+0x2c/0x3c [ 213.961800][ T6256] __dump_stack+0x30/0x40 [ 213.962477][ T6256] dump_stack_lvl+0xf8/0x160 [ 213.963153][ T6256] dump_stack+0x1c/0x5c [ 213.963797][ T6256] sysfs_create_dir_ns+0x22c/0x24c [ 213.964643][ T6256] kobject_add_internal+0x590/0xc54 [ 213.965502][ T6256] kobject_init_and_add+0x118/0x17c [ 213.966375][ T6256] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.967163][ T6256] gfs2_fill_super+0xdac/0x19e0 [ 213.967997][ T6256] get_tree_bdev+0x358/0x544 [ 213.968688][ T6256] gfs2_get_tree+0x54/0x1b4 [ 213.969393][ T6256] vfs_get_tree+0x90/0x274 [ 213.970122][ T6256] do_new_mount+0x228/0x810 [ 213.970852][ T6256] path_mount+0x5b4/0x1000 [ 213.971538][ T6256] __arm64_sys_mount+0x514/0x5e4 [ 213.972285][ T6256] invoke_syscall+0x98/0x2b8 [ 213.972991][ T6256] el0_svc_common+0x138/0x258 [ 213.973670][ T6256] do_el0_svc+0x58/0x14c [ 213.974277][ T6256] el0_svc+0x78/0x1e0 [ 213.974815][ T6256] el0t_64_sync_handler+0xcc/0xe4 [ 213.975540][ T6256] el0t_64_sync+0x1a0/0x1a4 [ 213.977546][ T6256] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.979424][ T6256] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.117358][ T6258] loop1: detected capacity change from 0 to 32768 [ 214.183397][ T6258] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.184941][ T6258] CPU: 1 PID: 6258 Comm: syz.1.626 Not tainted syzkaller #0 [ 214.186032][ T6258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.187615][ T6258] Call trace: [ 214.188227][ T6258] dump_backtrace+0x0/0x43c [ 214.188896][ T6258] show_stack+0x2c/0x3c [ 214.189538][ T6258] __dump_stack+0x30/0x40 [ 214.190251][ T6258] dump_stack_lvl+0xf8/0x160 [ 214.190959][ T6258] dump_stack+0x1c/0x5c [ 214.191625][ T6258] sysfs_create_dir_ns+0x22c/0x24c [ 214.192511][ T6258] kobject_add_internal+0x590/0xc54 [ 214.193315][ T6258] kobject_init_and_add+0x118/0x17c [ 214.194146][ T6258] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.194879][ T6258] gfs2_fill_super+0xdac/0x19e0 [ 214.195607][ T6258] get_tree_bdev+0x358/0x544 [ 214.196309][ T6258] gfs2_get_tree+0x54/0x1b4 [ 214.197050][ T6258] vfs_get_tree+0x90/0x274 [ 214.197773][ T6258] do_new_mount+0x228/0x810 [ 214.198482][ T6258] path_mount+0x5b4/0x1000 [ 214.199114][ T6258] __arm64_sys_mount+0x514/0x5e4 [ 214.199876][ T6258] invoke_syscall+0x98/0x2b8 [ 214.200619][ T6258] el0_svc_common+0x138/0x258 [ 214.201388][ T6258] do_el0_svc+0x58/0x14c [ 214.202043][ T6258] el0_svc+0x78/0x1e0 [ 214.202694][ T6258] el0t_64_sync_handler+0xcc/0xe4 [ 214.203564][ T6258] el0t_64_sync+0x1a0/0x1a4 [ 214.205884][ T6258] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.207925][ T6258] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.353769][ T6260] loop1: detected capacity change from 0 to 32768 [ 214.438163][ T6260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.439305][ T6260] CPU: 1 PID: 6260 Comm: syz.1.627 Not tainted syzkaller #0 [ 214.440442][ T6260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.442046][ T6260] Call trace: [ 214.442560][ T6260] dump_backtrace+0x0/0x43c [ 214.443279][ T6260] show_stack+0x2c/0x3c [ 214.443940][ T6260] __dump_stack+0x30/0x40 [ 214.444628][ T6260] dump_stack_lvl+0xf8/0x160 [ 214.445364][ T6260] dump_stack+0x1c/0x5c [ 214.446028][ T6260] sysfs_create_dir_ns+0x22c/0x24c [ 214.446874][ T6260] kobject_add_internal+0x590/0xc54 [ 214.447686][ T6260] kobject_init_and_add+0x118/0x17c [ 214.448580][ T6260] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.449372][ T6260] gfs2_fill_super+0xdac/0x19e0 [ 214.450188][ T6260] get_tree_bdev+0x358/0x544 [ 214.450881][ T6260] gfs2_get_tree+0x54/0x1b4 [ 214.451659][ T6260] vfs_get_tree+0x90/0x274 [ 214.452408][ T6260] do_new_mount+0x228/0x810 [ 214.453155][ T6260] path_mount+0x5b4/0x1000 [ 214.453810][ T6260] __arm64_sys_mount+0x514/0x5e4 [ 214.454629][ T6260] invoke_syscall+0x98/0x2b8 [ 214.455312][ T6260] el0_svc_common+0x138/0x258 [ 214.456032][ T6260] do_el0_svc+0x58/0x14c [ 214.456680][ T6260] el0_svc+0x78/0x1e0 [ 214.457267][ T6260] el0t_64_sync_handler+0xcc/0xe4 [ 214.458012][ T6260] el0t_64_sync+0x1a0/0x1a4 [ 214.462070][ T6260] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.464206][ T6260] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.629190][ T6262] loop1: detected capacity change from 0 to 32768 [ 214.636872][ T6262] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.638022][ T6262] CPU: 0 PID: 6262 Comm: syz.1.628 Not tainted syzkaller #0 [ 214.639119][ T6262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.640582][ T6262] Call trace: [ 214.641076][ T6262] dump_backtrace+0x0/0x43c [ 214.641761][ T6262] show_stack+0x2c/0x3c [ 214.642374][ T6262] __dump_stack+0x30/0x40 [ 214.643027][ T6262] dump_stack_lvl+0xf8/0x160 [ 214.643687][ T6262] dump_stack+0x1c/0x5c [ 214.644334][ T6262] sysfs_create_dir_ns+0x22c/0x24c [ 214.645165][ T6262] kobject_add_internal+0x590/0xc54 [ 214.645965][ T6262] kobject_init_and_add+0x118/0x17c [ 214.646765][ T6262] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.647487][ T6262] gfs2_fill_super+0xdac/0x19e0 [ 214.648253][ T6262] get_tree_bdev+0x358/0x544 [ 214.648957][ T6262] gfs2_get_tree+0x54/0x1b4 [ 214.649729][ T6262] vfs_get_tree+0x90/0x274 [ 214.650391][ T6262] do_new_mount+0x228/0x810 [ 214.651083][ T6262] path_mount+0x5b4/0x1000 [ 214.651717][ T6262] __arm64_sys_mount+0x514/0x5e4 [ 214.652508][ T6262] invoke_syscall+0x98/0x2b8 [ 214.653171][ T6262] el0_svc_common+0x138/0x258 [ 214.653877][ T6262] do_el0_svc+0x58/0x14c [ 214.654471][ T6262] el0_svc+0x78/0x1e0 [ 214.655027][ T6262] el0t_64_sync_handler+0xcc/0xe4 [ 214.655743][ T6262] el0t_64_sync+0x1a0/0x1a4 [ 214.656861][ T6262] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.658700][ T6262] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.744012][ T1541] Bluetooth: hci2: command 0x041b tx timeout [ 214.908771][ T6264] loop1: detected capacity change from 0 to 32768 [ 214.914906][ T6264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.916230][ T6264] CPU: 1 PID: 6264 Comm: syz.1.629 Not tainted syzkaller #0 [ 214.917416][ T6264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.919074][ T6264] Call trace: [ 214.919639][ T6264] dump_backtrace+0x0/0x43c [ 214.920338][ T6264] show_stack+0x2c/0x3c [ 214.920983][ T6264] __dump_stack+0x30/0x40 [ 214.921606][ T6264] dump_stack_lvl+0xf8/0x160 [ 214.922260][ T6264] dump_stack+0x1c/0x5c [ 214.922824][ T6264] sysfs_create_dir_ns+0x22c/0x24c [ 214.923553][ T6264] kobject_add_internal+0x590/0xc54 [ 214.924410][ T6264] kobject_init_and_add+0x118/0x17c [ 214.925257][ T6264] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.925996][ T6264] gfs2_fill_super+0xdac/0x19e0 [ 214.926792][ T6264] get_tree_bdev+0x358/0x544 [ 214.927539][ T6264] gfs2_get_tree+0x54/0x1b4 [ 214.928251][ T6264] vfs_get_tree+0x90/0x274 [ 214.928985][ T6264] do_new_mount+0x228/0x810 [ 214.929724][ T6264] path_mount+0x5b4/0x1000 [ 214.930434][ T6264] __arm64_sys_mount+0x514/0x5e4 [ 214.931175][ T6264] invoke_syscall+0x98/0x2b8 [ 214.931906][ T6264] el0_svc_common+0x138/0x258 [ 214.932614][ T6264] do_el0_svc+0x58/0x14c [ 214.933280][ T6264] el0_svc+0x78/0x1e0 [ 214.933897][ T6264] el0t_64_sync_handler+0xcc/0xe4 [ 214.934694][ T6264] el0t_64_sync+0x1a0/0x1a4 [ 214.937021][ T6264] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.938860][ T6264] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.105765][ T6266] loop1: detected capacity change from 0 to 32768 [ 215.165149][ T6266] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.166335][ T6266] CPU: 1 PID: 6266 Comm: syz.1.630 Not tainted syzkaller #0 [ 215.167470][ T6266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.168901][ T6266] Call trace: [ 215.169365][ T6266] dump_backtrace+0x0/0x43c [ 215.170005][ T6266] show_stack+0x2c/0x3c [ 215.170634][ T6266] __dump_stack+0x30/0x40 [ 215.171321][ T6266] dump_stack_lvl+0xf8/0x160 [ 215.172044][ T6266] dump_stack+0x1c/0x5c [ 215.172636][ T6266] sysfs_create_dir_ns+0x22c/0x24c [ 215.173435][ T6266] kobject_add_internal+0x590/0xc54 [ 215.174232][ T6266] kobject_init_and_add+0x118/0x17c [ 215.174991][ T6266] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.175763][ T6266] gfs2_fill_super+0xdac/0x19e0 [ 215.176538][ T6266] get_tree_bdev+0x358/0x544 [ 215.177210][ T6266] gfs2_get_tree+0x54/0x1b4 [ 215.177860][ T6266] vfs_get_tree+0x90/0x274 [ 215.178572][ T6266] do_new_mount+0x228/0x810 [ 215.179343][ T6266] path_mount+0x5b4/0x1000 [ 215.180048][ T6266] __arm64_sys_mount+0x514/0x5e4 [ 215.180953][ T6266] invoke_syscall+0x98/0x2b8 [ 215.181775][ T6266] el0_svc_common+0x138/0x258 [ 215.182582][ T6266] do_el0_svc+0x58/0x14c [ 215.183263][ T6266] el0_svc+0x78/0x1e0 [ 215.183901][ T6266] el0t_64_sync_handler+0xcc/0xe4 [ 215.184783][ T6266] el0t_64_sync+0x1a0/0x1a4 [ 215.187150][ T6266] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.189023][ T6266] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.319723][ T6268] loop1: detected capacity change from 0 to 32768 [ 215.327534][ T6268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.328710][ T6268] CPU: 1 PID: 6268 Comm: syz.1.631 Not tainted syzkaller #0 [ 215.329862][ T6268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.331421][ T6268] Call trace: [ 215.331868][ T6268] dump_backtrace+0x0/0x43c [ 215.332525][ T6268] show_stack+0x2c/0x3c [ 215.333099][ T6268] __dump_stack+0x30/0x40 [ 215.333705][ T6268] dump_stack_lvl+0xf8/0x160 [ 215.334442][ T6268] dump_stack+0x1c/0x5c [ 215.335149][ T6268] sysfs_create_dir_ns+0x22c/0x24c [ 215.335996][ T6268] kobject_add_internal+0x590/0xc54 [ 215.336834][ T6268] kobject_init_and_add+0x118/0x17c [ 215.337694][ T6268] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.338494][ T6268] gfs2_fill_super+0xdac/0x19e0 [ 215.339265][ T6268] get_tree_bdev+0x358/0x544 [ 215.340050][ T6268] gfs2_get_tree+0x54/0x1b4 [ 215.340760][ T6268] vfs_get_tree+0x90/0x274 [ 215.341393][ T6268] do_new_mount+0x228/0x810 [ 215.342113][ T6268] path_mount+0x5b4/0x1000 [ 215.342846][ T6268] __arm64_sys_mount+0x514/0x5e4 [ 215.343704][ T6268] invoke_syscall+0x98/0x2b8 [ 215.344439][ T6268] el0_svc_common+0x138/0x258 [ 215.345212][ T6268] do_el0_svc+0x58/0x14c [ 215.345821][ T6268] el0_svc+0x78/0x1e0 [ 215.346405][ T6268] el0t_64_sync_handler+0xcc/0xe4 [ 215.347207][ T6268] el0t_64_sync+0x1a0/0x1a4 [ 215.349355][ T6268] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.351214][ T6268] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.481801][ T6270] loop1: detected capacity change from 0 to 32768 [ 215.489269][ T6270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.490406][ T6270] CPU: 0 PID: 6270 Comm: syz.1.632 Not tainted syzkaller #0 [ 215.491437][ T6270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.492846][ T6270] Call trace: [ 215.493340][ T6270] dump_backtrace+0x0/0x43c [ 215.493977][ T6270] show_stack+0x2c/0x3c [ 215.494572][ T6270] __dump_stack+0x30/0x40 [ 215.495198][ T6270] dump_stack_lvl+0xf8/0x160 [ 215.495824][ T6270] dump_stack+0x1c/0x5c [ 215.496475][ T6270] sysfs_create_dir_ns+0x22c/0x24c [ 215.497192][ T6270] kobject_add_internal+0x590/0xc54 [ 215.497981][ T6270] kobject_init_and_add+0x118/0x17c [ 215.498765][ T6270] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.499510][ T6270] gfs2_fill_super+0xdac/0x19e0 [ 215.500292][ T6270] get_tree_bdev+0x358/0x544 [ 215.501023][ T6270] gfs2_get_tree+0x54/0x1b4 [ 215.501814][ T6270] vfs_get_tree+0x90/0x274 [ 215.502458][ T6270] do_new_mount+0x228/0x810 [ 215.503170][ T6270] path_mount+0x5b4/0x1000 [ 215.503837][ T6270] __arm64_sys_mount+0x514/0x5e4 [ 215.504592][ T6270] invoke_syscall+0x98/0x2b8 [ 215.505267][ T6270] el0_svc_common+0x138/0x258 [ 215.506004][ T6270] do_el0_svc+0x58/0x14c [ 215.506679][ T6270] el0_svc+0x78/0x1e0 [ 215.507316][ T6270] el0t_64_sync_handler+0xcc/0xe4 [ 215.508120][ T6270] el0t_64_sync+0x1a0/0x1a4 [ 215.510263][ T6270] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.512294][ T6270] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.637300][ T6272] loop1: detected capacity change from 0 to 32768 [ 215.678937][ T6272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.680085][ T6272] CPU: 0 PID: 6272 Comm: syz.1.633 Not tainted syzkaller #0 [ 215.681123][ T6272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.682624][ T6272] Call trace: [ 215.683131][ T6272] dump_backtrace+0x0/0x43c [ 215.683883][ T6272] show_stack+0x2c/0x3c [ 215.684544][ T6272] __dump_stack+0x30/0x40 [ 215.685177][ T6272] dump_stack_lvl+0xf8/0x160 [ 215.685836][ T6272] dump_stack+0x1c/0x5c [ 215.686532][ T6272] sysfs_create_dir_ns+0x22c/0x24c [ 215.687388][ T6272] kobject_add_internal+0x590/0xc54 [ 215.688255][ T6272] kobject_init_and_add+0x118/0x17c [ 215.689079][ T6272] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.689834][ T6272] gfs2_fill_super+0xdac/0x19e0 [ 215.690697][ T6272] get_tree_bdev+0x358/0x544 [ 215.691385][ T6272] gfs2_get_tree+0x54/0x1b4 [ 215.692101][ T6272] vfs_get_tree+0x90/0x274 [ 215.692766][ T6272] do_new_mount+0x228/0x810 [ 215.693432][ T6272] path_mount+0x5b4/0x1000 [ 215.694111][ T6272] __arm64_sys_mount+0x514/0x5e4 [ 215.694883][ T6272] invoke_syscall+0x98/0x2b8 [ 215.695579][ T6272] el0_svc_common+0x138/0x258 [ 215.696302][ T6272] do_el0_svc+0x58/0x14c [ 215.696912][ T6272] el0_svc+0x78/0x1e0 [ 215.697483][ T6272] el0t_64_sync_handler+0xcc/0xe4 [ 215.698166][ T6272] el0t_64_sync+0x1a0/0x1a4 [ 215.700564][ T6272] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.702665][ T6272] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.827936][ T6274] loop1: detected capacity change from 0 to 32768 [ 215.868957][ T6274] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.870134][ T6274] CPU: 0 PID: 6274 Comm: syz.1.634 Not tainted syzkaller #0 [ 215.871238][ T6274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.872662][ T6274] Call trace: [ 215.873173][ T6274] dump_backtrace+0x0/0x43c [ 215.873859][ T6274] show_stack+0x2c/0x3c [ 215.874480][ T6274] __dump_stack+0x30/0x40 [ 215.875158][ T6274] dump_stack_lvl+0xf8/0x160 [ 215.875866][ T6274] dump_stack+0x1c/0x5c [ 215.876453][ T6274] sysfs_create_dir_ns+0x22c/0x24c [ 215.877229][ T6274] kobject_add_internal+0x590/0xc54 [ 215.878019][ T6274] kobject_init_and_add+0x118/0x17c [ 215.878840][ T6274] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.879586][ T6274] gfs2_fill_super+0xdac/0x19e0 [ 215.880276][ T6274] get_tree_bdev+0x358/0x544 [ 215.880961][ T6274] gfs2_get_tree+0x54/0x1b4 [ 215.881601][ T6274] vfs_get_tree+0x90/0x274 [ 215.882308][ T6274] do_new_mount+0x228/0x810 [ 215.883024][ T6274] path_mount+0x5b4/0x1000 [ 215.883654][ T6274] __arm64_sys_mount+0x514/0x5e4 [ 215.884347][ T6274] invoke_syscall+0x98/0x2b8 [ 215.885027][ T6274] el0_svc_common+0x138/0x258 [ 215.885746][ T6274] do_el0_svc+0x58/0x14c [ 215.886362][ T6274] el0_svc+0x78/0x1e0 [ 215.886995][ T6274] el0t_64_sync_handler+0xcc/0xe4 [ 215.887696][ T6274] el0t_64_sync+0x1a0/0x1a4 [ 215.889272][ T6274] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.891486][ T6274] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.026987][ T6276] loop1: detected capacity change from 0 to 32768 [ 216.034365][ T6276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.035545][ T6276] CPU: 1 PID: 6276 Comm: syz.1.635 Not tainted syzkaller #0 [ 216.036738][ T6276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.038409][ T6276] Call trace: [ 216.038949][ T6276] dump_backtrace+0x0/0x43c [ 216.039726][ T6276] show_stack+0x2c/0x3c [ 216.040428][ T6276] __dump_stack+0x30/0x40 [ 216.041084][ T6276] dump_stack_lvl+0xf8/0x160 [ 216.041843][ T6276] dump_stack+0x1c/0x5c [ 216.042513][ T6276] sysfs_create_dir_ns+0x22c/0x24c [ 216.043321][ T6276] kobject_add_internal+0x590/0xc54 [ 216.044043][ T6276] kobject_init_and_add+0x118/0x17c [ 216.044798][ T6276] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.045551][ T6276] gfs2_fill_super+0xdac/0x19e0 [ 216.046226][ T6276] get_tree_bdev+0x358/0x544 [ 216.046887][ T6276] gfs2_get_tree+0x54/0x1b4 [ 216.047528][ T6276] vfs_get_tree+0x90/0x274 [ 216.048266][ T6276] do_new_mount+0x228/0x810 [ 216.049028][ T6276] path_mount+0x5b4/0x1000 [ 216.049704][ T6276] __arm64_sys_mount+0x514/0x5e4 [ 216.050529][ T6276] invoke_syscall+0x98/0x2b8 [ 216.051284][ T6276] el0_svc_common+0x138/0x258 [ 216.052069][ T6276] do_el0_svc+0x58/0x14c [ 216.052752][ T6276] el0_svc+0x78/0x1e0 [ 216.053408][ T6276] el0t_64_sync_handler+0xcc/0xe4 [ 216.054226][ T6276] el0t_64_sync+0x1a0/0x1a4 [ 216.055239][ T6276] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.057264][ T6276] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.187537][ T6278] loop1: detected capacity change from 0 to 32768 [ 216.284303][ T6278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.285468][ T6278] CPU: 1 PID: 6278 Comm: syz.1.636 Not tainted syzkaller #0 [ 216.286795][ T6278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.288413][ T6278] Call trace: [ 216.288945][ T6278] dump_backtrace+0x0/0x43c [ 216.289658][ T6278] show_stack+0x2c/0x3c [ 216.290289][ T6278] __dump_stack+0x30/0x40 [ 216.290884][ T6278] dump_stack_lvl+0xf8/0x160 [ 216.291638][ T6278] dump_stack+0x1c/0x5c [ 216.292210][ T6278] sysfs_create_dir_ns+0x22c/0x24c [ 216.292885][ T6278] kobject_add_internal+0x590/0xc54 [ 216.293598][ T6278] kobject_init_and_add+0x118/0x17c [ 216.294326][ T6278] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.295002][ T6278] gfs2_fill_super+0xdac/0x19e0 [ 216.295794][ T6278] get_tree_bdev+0x358/0x544 [ 216.296455][ T6278] gfs2_get_tree+0x54/0x1b4 [ 216.297137][ T6278] vfs_get_tree+0x90/0x274 [ 216.297784][ T6278] do_new_mount+0x228/0x810 [ 216.298543][ T6278] path_mount+0x5b4/0x1000 [ 216.299300][ T6278] __arm64_sys_mount+0x514/0x5e4 [ 216.300064][ T6278] invoke_syscall+0x98/0x2b8 [ 216.300800][ T6278] el0_svc_common+0x138/0x258 [ 216.301477][ T6278] do_el0_svc+0x58/0x14c [ 216.302105][ T6278] el0_svc+0x78/0x1e0 [ 216.302681][ T6278] el0t_64_sync_handler+0xcc/0xe4 [ 216.303384][ T6278] el0t_64_sync+0x1a0/0x1a4 [ 216.304418][ T6278] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.306396][ T6278] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.433519][ T6280] loop1: detected capacity change from 0 to 32768 [ 216.440978][ T6280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.442138][ T6280] CPU: 0 PID: 6280 Comm: syz.1.637 Not tainted syzkaller #0 [ 216.443210][ T6280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.444794][ T6280] Call trace: [ 216.445323][ T6280] dump_backtrace+0x0/0x43c [ 216.446044][ T6280] show_stack+0x2c/0x3c [ 216.446700][ T6280] __dump_stack+0x30/0x40 [ 216.447404][ T6280] dump_stack_lvl+0xf8/0x160 [ 216.448122][ T6280] dump_stack+0x1c/0x5c [ 216.448735][ T6280] sysfs_create_dir_ns+0x22c/0x24c [ 216.449520][ T6280] kobject_add_internal+0x590/0xc54 [ 216.450257][ T6280] kobject_init_and_add+0x118/0x17c [ 216.450953][ T6280] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.451637][ T6280] gfs2_fill_super+0xdac/0x19e0 [ 216.452282][ T6280] get_tree_bdev+0x358/0x544 [ 216.452933][ T6280] gfs2_get_tree+0x54/0x1b4 [ 216.453545][ T6280] vfs_get_tree+0x90/0x274 [ 216.454154][ T6280] do_new_mount+0x228/0x810 [ 216.454769][ T6280] path_mount+0x5b4/0x1000 [ 216.455405][ T6280] __arm64_sys_mount+0x514/0x5e4 [ 216.456190][ T6280] invoke_syscall+0x98/0x2b8 [ 216.456856][ T6280] el0_svc_common+0x138/0x258 [ 216.457535][ T6280] do_el0_svc+0x58/0x14c [ 216.458106][ T6280] el0_svc+0x78/0x1e0 [ 216.458694][ T6280] el0t_64_sync_handler+0xcc/0xe4 [ 216.459476][ T6280] el0t_64_sync+0x1a0/0x1a4 [ 216.461723][ T6280] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.463712][ T6280] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.596744][ T6282] loop1: detected capacity change from 0 to 32768 [ 216.635239][ T6282] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.636470][ T6282] CPU: 0 PID: 6282 Comm: syz.1.638 Not tainted syzkaller #0 [ 216.637637][ T6282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.639223][ T6282] Call trace: [ 216.639728][ T6282] dump_backtrace+0x0/0x43c [ 216.640438][ T6282] show_stack+0x2c/0x3c [ 216.641105][ T6282] __dump_stack+0x30/0x40 [ 216.641750][ T6282] dump_stack_lvl+0xf8/0x160 [ 216.642435][ T6282] dump_stack+0x1c/0x5c [ 216.643049][ T6282] sysfs_create_dir_ns+0x22c/0x24c [ 216.643805][ T6282] kobject_add_internal+0x590/0xc54 [ 216.644585][ T6282] kobject_init_and_add+0x118/0x17c [ 216.645345][ T6282] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.646070][ T6282] gfs2_fill_super+0xdac/0x19e0 [ 216.646782][ T6282] get_tree_bdev+0x358/0x544 [ 216.647429][ T6282] gfs2_get_tree+0x54/0x1b4 [ 216.648074][ T6282] vfs_get_tree+0x90/0x274 [ 216.648777][ T6282] do_new_mount+0x228/0x810 [ 216.649494][ T6282] path_mount+0x5b4/0x1000 [ 216.650158][ T6282] __arm64_sys_mount+0x514/0x5e4 [ 216.650857][ T6282] invoke_syscall+0x98/0x2b8 [ 216.651605][ T6282] el0_svc_common+0x138/0x258 [ 216.652281][ T6282] do_el0_svc+0x58/0x14c [ 216.652898][ T6282] el0_svc+0x78/0x1e0 [ 216.653522][ T6282] el0t_64_sync_handler+0xcc/0xe4 [ 216.654291][ T6282] el0t_64_sync+0x1a0/0x1a4 [ 216.656709][ T6282] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.658717][ T6282] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.788424][ T6284] loop1: detected capacity change from 0 to 32768 [ 216.796273][ T6284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.797471][ T6284] CPU: 1 PID: 6284 Comm: syz.1.639 Not tainted syzkaller #0 [ 216.798653][ T6284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.800182][ T6284] Call trace: [ 216.800666][ T6284] dump_backtrace+0x0/0x43c [ 216.801327][ T6284] show_stack+0x2c/0x3c [ 216.801934][ T6284] __dump_stack+0x30/0x40 [ 216.802630][ T6284] dump_stack_lvl+0xf8/0x160 [ 216.803401][ T6284] dump_stack+0x1c/0x5c [ 216.804107][ T6284] sysfs_create_dir_ns+0x22c/0x24c [ 216.804965][ T6284] kobject_add_internal+0x590/0xc54 [ 216.805810][ T6284] kobject_init_and_add+0x118/0x17c [ 216.806618][ T6284] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.807448][ T6284] gfs2_fill_super+0xdac/0x19e0 [ 216.808269][ T6284] get_tree_bdev+0x358/0x544 [ 216.809019][ T6284] gfs2_get_tree+0x54/0x1b4 [ 216.809782][ T6284] vfs_get_tree+0x90/0x274 [ 216.810464][ T6284] do_new_mount+0x228/0x810 [ 216.811164][ T6284] path_mount+0x5b4/0x1000 [ 216.811970][ T6284] __arm64_sys_mount+0x514/0x5e4 [ 216.812785][ T6284] invoke_syscall+0x98/0x2b8 [ 216.813469][ T6284] el0_svc_common+0x138/0x258 [ 216.814207][ T6284] do_el0_svc+0x58/0x14c [ 216.814926][ T6284] el0_svc+0x78/0x1e0 [ 216.815593][ T6284] el0t_64_sync_handler+0xcc/0xe4 [ 216.816374][ T6284] el0t_64_sync+0x1a0/0x1a4 [ 216.817539][ T6284] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.819502][ T6284] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.833970][ T1541] Bluetooth: hci2: command 0x040f tx timeout [ 216.949059][ T6286] loop1: detected capacity change from 0 to 32768 [ 217.005265][ T6286] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.006453][ T6286] CPU: 0 PID: 6286 Comm: syz.1.640 Not tainted syzkaller #0 [ 217.007453][ T6286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.008934][ T6286] Call trace: [ 217.009439][ T6286] dump_backtrace+0x0/0x43c [ 217.010157][ T6286] show_stack+0x2c/0x3c [ 217.010781][ T6286] __dump_stack+0x30/0x40 [ 217.011408][ T6286] dump_stack_lvl+0xf8/0x160 [ 217.012047][ T6286] dump_stack+0x1c/0x5c [ 217.012623][ T6286] sysfs_create_dir_ns+0x22c/0x24c [ 217.013380][ T6286] kobject_add_internal+0x590/0xc54 [ 217.014144][ T6286] kobject_init_and_add+0x118/0x17c [ 217.014935][ T6286] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.015636][ T6286] gfs2_fill_super+0xdac/0x19e0 [ 217.016274][ T6286] get_tree_bdev+0x358/0x544 [ 217.016963][ T6286] gfs2_get_tree+0x54/0x1b4 [ 217.017589][ T6286] vfs_get_tree+0x90/0x274 [ 217.018299][ T6286] do_new_mount+0x228/0x810 [ 217.018964][ T6286] path_mount+0x5b4/0x1000 [ 217.019648][ T6286] __arm64_sys_mount+0x514/0x5e4 [ 217.020443][ T6286] invoke_syscall+0x98/0x2b8 [ 217.021126][ T6286] el0_svc_common+0x138/0x258 [ 217.021796][ T6286] do_el0_svc+0x58/0x14c [ 217.022469][ T6286] el0_svc+0x78/0x1e0 [ 217.023090][ T6286] el0t_64_sync_handler+0xcc/0xe4 [ 217.023788][ T6286] el0t_64_sync+0x1a0/0x1a4 [ 217.024997][ T6286] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.026972][ T6286] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.159822][ T6288] loop1: detected capacity change from 0 to 32768 [ 217.195257][ T6288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.196452][ T6288] CPU: 0 PID: 6288 Comm: syz.1.641 Not tainted syzkaller #0 [ 217.197498][ T6288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.199027][ T6288] Call trace: [ 217.199529][ T6288] dump_backtrace+0x0/0x43c [ 217.200231][ T6288] show_stack+0x2c/0x3c [ 217.200853][ T6288] __dump_stack+0x30/0x40 [ 217.201532][ T6288] dump_stack_lvl+0xf8/0x160 [ 217.202249][ T6288] dump_stack+0x1c/0x5c [ 217.202874][ T6288] sysfs_create_dir_ns+0x22c/0x24c [ 217.203719][ T6288] kobject_add_internal+0x590/0xc54 [ 217.204522][ T6288] kobject_init_and_add+0x118/0x17c [ 217.205262][ T6288] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.205924][ T6288] gfs2_fill_super+0xdac/0x19e0 [ 217.206688][ T6288] get_tree_bdev+0x358/0x544 [ 217.207360][ T6288] gfs2_get_tree+0x54/0x1b4 [ 217.208063][ T6288] vfs_get_tree+0x90/0x274 [ 217.208740][ T6288] do_new_mount+0x228/0x810 [ 217.209383][ T6288] path_mount+0x5b4/0x1000 [ 217.210067][ T6288] __arm64_sys_mount+0x514/0x5e4 [ 217.210877][ T6288] invoke_syscall+0x98/0x2b8 [ 217.211623][ T6288] el0_svc_common+0x138/0x258 [ 217.212321][ T6288] do_el0_svc+0x58/0x14c [ 217.213003][ T6288] el0_svc+0x78/0x1e0 [ 217.213625][ T6288] el0t_64_sync_handler+0xcc/0xe4 [ 217.214391][ T6288] el0t_64_sync+0x1a0/0x1a4 [ 217.215704][ T6288] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.217628][ T6288] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.392063][ T6290] loop1: detected capacity change from 0 to 32768 [ 217.435497][ T6290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.436661][ T6290] CPU: 0 PID: 6290 Comm: syz.1.642 Not tainted syzkaller #0 [ 217.437775][ T6290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.439274][ T6290] Call trace: [ 217.439748][ T6290] dump_backtrace+0x0/0x43c [ 217.440429][ T6290] show_stack+0x2c/0x3c [ 217.441069][ T6290] __dump_stack+0x30/0x40 [ 217.441703][ T6290] dump_stack_lvl+0xf8/0x160 [ 217.442402][ T6290] dump_stack+0x1c/0x5c [ 217.443069][ T6290] sysfs_create_dir_ns+0x22c/0x24c [ 217.443838][ T6290] kobject_add_internal+0x590/0xc54 [ 217.444697][ T6290] kobject_init_and_add+0x118/0x17c [ 217.445489][ T6290] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.446178][ T6290] gfs2_fill_super+0xdac/0x19e0 [ 217.446883][ T6290] get_tree_bdev+0x358/0x544 [ 217.447569][ T6290] gfs2_get_tree+0x54/0x1b4 [ 217.448156][ T6290] vfs_get_tree+0x90/0x274 [ 217.448804][ T6290] do_new_mount+0x228/0x810 [ 217.449543][ T6290] path_mount+0x5b4/0x1000 [ 217.450201][ T6290] __arm64_sys_mount+0x514/0x5e4 [ 217.450958][ T6290] invoke_syscall+0x98/0x2b8 [ 217.451723][ T6290] el0_svc_common+0x138/0x258 [ 217.452386][ T6290] do_el0_svc+0x58/0x14c [ 217.452949][ T6290] el0_svc+0x78/0x1e0 [ 217.453549][ T6290] el0t_64_sync_handler+0xcc/0xe4 [ 217.454310][ T6290] el0t_64_sync+0x1a0/0x1a4 [ 217.456454][ T6290] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.458427][ T6290] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:37 executed programs: 629 [ 217.592400][ T6292] loop1: detected capacity change from 0 to 32768 [ 217.639174][ T6292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.640551][ T6292] CPU: 0 PID: 6292 Comm: syz.1.643 Not tainted syzkaller #0 [ 217.641663][ T6292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.643152][ T6292] Call trace: [ 217.643612][ T6292] dump_backtrace+0x0/0x43c [ 217.644250][ T6292] show_stack+0x2c/0x3c [ 217.644872][ T6292] __dump_stack+0x30/0x40 [ 217.645531][ T6292] dump_stack_lvl+0xf8/0x160 [ 217.646182][ T6292] dump_stack+0x1c/0x5c [ 217.646778][ T6292] sysfs_create_dir_ns+0x22c/0x24c [ 217.647521][ T6292] kobject_add_internal+0x590/0xc54 [ 217.648292][ T6292] kobject_init_and_add+0x118/0x17c [ 217.649176][ T6292] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.649918][ T6292] gfs2_fill_super+0xdac/0x19e0 [ 217.650707][ T6292] get_tree_bdev+0x358/0x544 [ 217.651472][ T6292] gfs2_get_tree+0x54/0x1b4 [ 217.652143][ T6292] vfs_get_tree+0x90/0x274 [ 217.652840][ T6292] do_new_mount+0x228/0x810 [ 217.653514][ T6292] path_mount+0x5b4/0x1000 [ 217.654198][ T6292] __arm64_sys_mount+0x514/0x5e4 [ 217.654992][ T6292] invoke_syscall+0x98/0x2b8 [ 217.655663][ T6292] el0_svc_common+0x138/0x258 [ 217.656409][ T6292] do_el0_svc+0x58/0x14c [ 217.656994][ T6292] el0_svc+0x78/0x1e0 [ 217.657615][ T6292] el0t_64_sync_handler+0xcc/0xe4 [ 217.658357][ T6292] el0t_64_sync+0x1a0/0x1a4 [ 217.660869][ T6292] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.662937][ T6292] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.791253][ T6294] loop1: detected capacity change from 0 to 32768 [ 217.838877][ T6294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.840071][ T6294] CPU: 0 PID: 6294 Comm: syz.1.644 Not tainted syzkaller #0 [ 217.841197][ T6294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.842763][ T6294] Call trace: [ 217.843281][ T6294] dump_backtrace+0x0/0x43c [ 217.843922][ T6294] show_stack+0x2c/0x3c [ 217.844524][ T6294] __dump_stack+0x30/0x40 [ 217.845157][ T6294] dump_stack_lvl+0xf8/0x160 [ 217.845814][ T6294] dump_stack+0x1c/0x5c [ 217.846385][ T6294] sysfs_create_dir_ns+0x22c/0x24c [ 217.847111][ T6294] kobject_add_internal+0x590/0xc54 [ 217.847894][ T6294] kobject_init_and_add+0x118/0x17c [ 217.848649][ T6294] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.849364][ T6294] gfs2_fill_super+0xdac/0x19e0 [ 217.850113][ T6294] get_tree_bdev+0x358/0x544 [ 217.850834][ T6294] gfs2_get_tree+0x54/0x1b4 [ 217.851447][ T6294] vfs_get_tree+0x90/0x274 [ 217.852102][ T6294] do_new_mount+0x228/0x810 [ 217.852800][ T6294] path_mount+0x5b4/0x1000 [ 217.853462][ T6294] __arm64_sys_mount+0x514/0x5e4 [ 217.854268][ T6294] invoke_syscall+0x98/0x2b8 [ 217.854995][ T6294] el0_svc_common+0x138/0x258 [ 217.855676][ T6294] do_el0_svc+0x58/0x14c [ 217.856304][ T6294] el0_svc+0x78/0x1e0 [ 217.856874][ T6294] el0t_64_sync_handler+0xcc/0xe4 [ 217.857580][ T6294] el0t_64_sync+0x1a0/0x1a4 [ 217.859659][ T6294] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.861696][ T6294] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.991182][ T6296] loop1: detected capacity change from 0 to 32768 [ 218.045617][ T6296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.046720][ T6296] CPU: 0 PID: 6296 Comm: syz.1.645 Not tainted syzkaller #0 [ 218.047668][ T6296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.049105][ T6296] Call trace: [ 218.049603][ T6296] dump_backtrace+0x0/0x43c [ 218.050265][ T6296] show_stack+0x2c/0x3c [ 218.050877][ T6296] __dump_stack+0x30/0x40 [ 218.051515][ T6296] dump_stack_lvl+0xf8/0x160 [ 218.052184][ T6296] dump_stack+0x1c/0x5c [ 218.052789][ T6296] sysfs_create_dir_ns+0x22c/0x24c [ 218.053538][ T6296] kobject_add_internal+0x590/0xc54 [ 218.054333][ T6296] kobject_init_and_add+0x118/0x17c [ 218.055044][ T6296] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.055762][ T6296] gfs2_fill_super+0xdac/0x19e0 [ 218.056456][ T6296] get_tree_bdev+0x358/0x544 [ 218.057136][ T6296] gfs2_get_tree+0x54/0x1b4 [ 218.057837][ T6296] vfs_get_tree+0x90/0x274 [ 218.058527][ T6296] do_new_mount+0x228/0x810 [ 218.059214][ T6296] path_mount+0x5b4/0x1000 [ 218.059866][ T6296] __arm64_sys_mount+0x514/0x5e4 [ 218.060582][ T6296] invoke_syscall+0x98/0x2b8 [ 218.061231][ T6296] el0_svc_common+0x138/0x258 [ 218.061922][ T6296] do_el0_svc+0x58/0x14c [ 218.062567][ T6296] el0_svc+0x78/0x1e0 [ 218.063207][ T6296] el0t_64_sync_handler+0xcc/0xe4 [ 218.064003][ T6296] el0t_64_sync+0x1a0/0x1a4 [ 218.066133][ T6296] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.068086][ T6296] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.196055][ T6298] loop1: detected capacity change from 0 to 32768 [ 218.235926][ T6298] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.237097][ T6298] CPU: 0 PID: 6298 Comm: syz.1.646 Not tainted syzkaller #0 [ 218.238173][ T6298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.239714][ T6298] Call trace: [ 218.240186][ T6298] dump_backtrace+0x0/0x43c [ 218.240861][ T6298] show_stack+0x2c/0x3c [ 218.241506][ T6298] __dump_stack+0x30/0x40 [ 218.242123][ T6298] dump_stack_lvl+0xf8/0x160 [ 218.242791][ T6298] dump_stack+0x1c/0x5c [ 218.243460][ T6298] sysfs_create_dir_ns+0x22c/0x24c [ 218.244310][ T6298] kobject_add_internal+0x590/0xc54 [ 218.245098][ T6298] kobject_init_and_add+0x118/0x17c [ 218.245901][ T6298] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.246678][ T6298] gfs2_fill_super+0xdac/0x19e0 [ 218.247397][ T6298] get_tree_bdev+0x358/0x544 [ 218.248108][ T6298] gfs2_get_tree+0x54/0x1b4 [ 218.248833][ T6298] vfs_get_tree+0x90/0x274 [ 218.249524][ T6298] do_new_mount+0x228/0x810 [ 218.250187][ T6298] path_mount+0x5b4/0x1000 [ 218.250892][ T6298] __arm64_sys_mount+0x514/0x5e4 [ 218.251716][ T6298] invoke_syscall+0x98/0x2b8 [ 218.252467][ T6298] el0_svc_common+0x138/0x258 [ 218.253185][ T6298] do_el0_svc+0x58/0x14c [ 218.253842][ T6298] el0_svc+0x78/0x1e0 [ 218.254540][ T6298] el0t_64_sync_handler+0xcc/0xe4 [ 218.255298][ T6298] el0t_64_sync+0x1a0/0x1a4 [ 218.256880][ T6298] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.258772][ T6298] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.487068][ T6300] loop1: detected capacity change from 0 to 32768 [ 218.529250][ T6300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.530358][ T6300] CPU: 0 PID: 6300 Comm: syz.1.647 Not tainted syzkaller #0 [ 218.531492][ T6300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.532916][ T6300] Call trace: [ 218.533361][ T6300] dump_backtrace+0x0/0x43c [ 218.533985][ T6300] show_stack+0x2c/0x3c [ 218.534562][ T6300] __dump_stack+0x30/0x40 [ 218.535196][ T6300] dump_stack_lvl+0xf8/0x160 [ 218.535871][ T6300] dump_stack+0x1c/0x5c [ 218.536515][ T6300] sysfs_create_dir_ns+0x22c/0x24c [ 218.537233][ T6300] kobject_add_internal+0x590/0xc54 [ 218.538029][ T6300] kobject_init_and_add+0x118/0x17c [ 218.538822][ T6300] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.539637][ T6300] gfs2_fill_super+0xdac/0x19e0 [ 218.540459][ T6300] get_tree_bdev+0x358/0x544 [ 218.541174][ T6300] gfs2_get_tree+0x54/0x1b4 [ 218.541847][ T6300] vfs_get_tree+0x90/0x274 [ 218.542476][ T6300] do_new_mount+0x228/0x810 [ 218.543100][ T6300] path_mount+0x5b4/0x1000 [ 218.543714][ T6300] __arm64_sys_mount+0x514/0x5e4 [ 218.544492][ T6300] invoke_syscall+0x98/0x2b8 [ 218.545235][ T6300] el0_svc_common+0x138/0x258 [ 218.545974][ T6300] do_el0_svc+0x58/0x14c [ 218.546685][ T6300] el0_svc+0x78/0x1e0 [ 218.547363][ T6300] el0t_64_sync_handler+0xcc/0xe4 [ 218.548205][ T6300] el0t_64_sync+0x1a0/0x1a4 [ 218.549853][ T6300] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.551835][ T6300] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.686577][ T6302] loop1: detected capacity change from 0 to 32768 [ 218.733944][ T6302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.735143][ T6302] CPU: 1 PID: 6302 Comm: syz.1.648 Not tainted syzkaller #0 [ 218.736198][ T6302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.737630][ T6302] Call trace: [ 218.738101][ T6302] dump_backtrace+0x0/0x43c [ 218.738786][ T6302] show_stack+0x2c/0x3c [ 218.739391][ T6302] __dump_stack+0x30/0x40 [ 218.740069][ T6302] dump_stack_lvl+0xf8/0x160 [ 218.740796][ T6302] dump_stack+0x1c/0x5c [ 218.741423][ T6302] sysfs_create_dir_ns+0x22c/0x24c [ 218.742193][ T6302] kobject_add_internal+0x590/0xc54 [ 218.742959][ T6302] kobject_init_and_add+0x118/0x17c [ 218.743737][ T6302] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.744471][ T6302] gfs2_fill_super+0xdac/0x19e0 [ 218.745219][ T6302] get_tree_bdev+0x358/0x544 [ 218.745898][ T6302] gfs2_get_tree+0x54/0x1b4 [ 218.746521][ T6302] vfs_get_tree+0x90/0x274 [ 218.747187][ T6302] do_new_mount+0x228/0x810 [ 218.747896][ T6302] path_mount+0x5b4/0x1000 [ 218.748598][ T6302] __arm64_sys_mount+0x514/0x5e4 [ 218.749396][ T6302] invoke_syscall+0x98/0x2b8 [ 218.750141][ T6302] el0_svc_common+0x138/0x258 [ 218.750918][ T6302] do_el0_svc+0x58/0x14c [ 218.751580][ T6302] el0_svc+0x78/0x1e0 [ 218.752208][ T6302] el0t_64_sync_handler+0xcc/0xe4 [ 218.753056][ T6302] el0t_64_sync+0x1a0/0x1a4 [ 218.754268][ T6302] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.756179][ T6302] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.889568][ T6304] loop1: detected capacity change from 0 to 32768 [ 218.898242][ T6304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.899343][ T6304] CPU: 0 PID: 6304 Comm: syz.1.649 Not tainted syzkaller #0 [ 218.900484][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.901925][ T6304] Call trace: [ 218.902400][ T6304] dump_backtrace+0x0/0x43c [ 218.903007][ T6304] show_stack+0x2c/0x3c [ 218.903620][ T6304] __dump_stack+0x30/0x40 [ 218.904183][ T6304] dump_stack_lvl+0xf8/0x160 [ 218.904837][ T6304] dump_stack+0x1c/0x5c [ 218.905511][ T6304] sysfs_create_dir_ns+0x22c/0x24c [ 218.906395][ T6304] kobject_add_internal+0x590/0xc54 [ 218.907179][ T6304] kobject_init_and_add+0x118/0x17c [ 218.908012][ T6304] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.908828][ T6304] gfs2_fill_super+0xdac/0x19e0 [ 218.909604][ T6304] get_tree_bdev+0x358/0x544 [ 218.910374][ T6304] gfs2_get_tree+0x54/0x1b4 [ 218.911099][ T6304] vfs_get_tree+0x90/0x274 [ 218.911792][ T6304] do_new_mount+0x228/0x810 [ 218.912450][ T6304] path_mount+0x5b4/0x1000 [ 218.913170][ T6304] __arm64_sys_mount+0x514/0x5e4 [ 218.913989][ T6304] invoke_syscall+0x98/0x2b8 [ 218.914747][ T6304] el0_svc_common+0x138/0x258 [ 218.915487][ T6304] do_el0_svc+0x58/0x14c [ 218.916158][ T6304] el0_svc+0x78/0x1e0 [ 218.916784][ T6304] el0t_64_sync_handler+0xcc/0xe4 [ 218.917527][ T6304] el0t_64_sync+0x1a0/0x1a4 [ 218.919619][ T6304] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.921584][ T6304] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.924021][ T1541] Bluetooth: hci2: command 0x0419 tx timeout [ 219.049096][ T6306] loop1: detected capacity change from 0 to 32768 [ 219.085120][ T6306] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.086290][ T6306] CPU: 0 PID: 6306 Comm: syz.1.650 Not tainted syzkaller #0 [ 219.087368][ T6306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.088798][ T6306] Call trace: [ 219.089295][ T6306] dump_backtrace+0x0/0x43c [ 219.089933][ T6306] show_stack+0x2c/0x3c [ 219.090485][ T6306] __dump_stack+0x30/0x40 [ 219.091160][ T6306] dump_stack_lvl+0xf8/0x160 [ 219.091900][ T6306] dump_stack+0x1c/0x5c [ 219.092529][ T6306] sysfs_create_dir_ns+0x22c/0x24c [ 219.093329][ T6306] kobject_add_internal+0x590/0xc54 [ 219.094089][ T6306] kobject_init_and_add+0x118/0x17c [ 219.094871][ T6306] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.095564][ T6306] gfs2_fill_super+0xdac/0x19e0 [ 219.096288][ T6306] get_tree_bdev+0x358/0x544 [ 219.096979][ T6306] gfs2_get_tree+0x54/0x1b4 [ 219.097582][ T6306] vfs_get_tree+0x90/0x274 [ 219.098231][ T6306] do_new_mount+0x228/0x810 [ 219.098876][ T6306] path_mount+0x5b4/0x1000 [ 219.099524][ T6306] __arm64_sys_mount+0x514/0x5e4 [ 219.100301][ T6306] invoke_syscall+0x98/0x2b8 [ 219.100944][ T6306] el0_svc_common+0x138/0x258 [ 219.101593][ T6306] do_el0_svc+0x58/0x14c [ 219.102208][ T6306] el0_svc+0x78/0x1e0 [ 219.102845][ T6306] el0t_64_sync_handler+0xcc/0xe4 [ 219.103529][ T6306] el0t_64_sync+0x1a0/0x1a4 [ 219.104890][ T6306] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.106764][ T6306] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.275502][ T6308] loop1: detected capacity change from 0 to 32768 [ 219.329424][ T6308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.330625][ T6308] CPU: 1 PID: 6308 Comm: syz.1.651 Not tainted syzkaller #0 [ 219.331719][ T6308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.333047][ T6308] Call trace: [ 219.333494][ T6308] dump_backtrace+0x0/0x43c [ 219.334164][ T6308] show_stack+0x2c/0x3c [ 219.334786][ T6308] __dump_stack+0x30/0x40 [ 219.335437][ T6308] dump_stack_lvl+0xf8/0x160 [ 219.336101][ T6308] dump_stack+0x1c/0x5c [ 219.336758][ T6308] sysfs_create_dir_ns+0x22c/0x24c [ 219.337516][ T6308] kobject_add_internal+0x590/0xc54 [ 219.338334][ T6308] kobject_init_and_add+0x118/0x17c [ 219.339089][ T6308] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.339750][ T6308] gfs2_fill_super+0xdac/0x19e0 [ 219.340494][ T6308] get_tree_bdev+0x358/0x544 [ 219.341223][ T6308] gfs2_get_tree+0x54/0x1b4 [ 219.341930][ T6308] vfs_get_tree+0x90/0x274 [ 219.342615][ T6308] do_new_mount+0x228/0x810 [ 219.343391][ T6308] path_mount+0x5b4/0x1000 [ 219.344141][ T6308] __arm64_sys_mount+0x514/0x5e4 [ 219.344878][ T6308] invoke_syscall+0x98/0x2b8 [ 219.345565][ T6308] el0_svc_common+0x138/0x258 [ 219.346305][ T6308] do_el0_svc+0x58/0x14c [ 219.346943][ T6308] el0_svc+0x78/0x1e0 [ 219.347596][ T6308] el0t_64_sync_handler+0xcc/0xe4 [ 219.348400][ T6308] el0t_64_sync+0x1a0/0x1a4 [ 219.349564][ T6308] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.351594][ T6308] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.477079][ T6310] loop1: detected capacity change from 0 to 32768 [ 219.548305][ T6310] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.549453][ T6310] CPU: 1 PID: 6310 Comm: syz.1.652 Not tainted syzkaller #0 [ 219.550527][ T6310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.551992][ T6310] Call trace: [ 219.552430][ T6310] dump_backtrace+0x0/0x43c [ 219.553106][ T6310] show_stack+0x2c/0x3c [ 219.553713][ T6310] __dump_stack+0x30/0x40 [ 219.554407][ T6310] dump_stack_lvl+0xf8/0x160 [ 219.555055][ T6310] dump_stack+0x1c/0x5c [ 219.555708][ T6310] sysfs_create_dir_ns+0x22c/0x24c [ 219.556516][ T6310] kobject_add_internal+0x590/0xc54 [ 219.557476][ T6310] kobject_init_and_add+0x118/0x17c [ 219.558300][ T6310] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.559148][ T6310] gfs2_fill_super+0xdac/0x19e0 [ 219.559977][ T6310] get_tree_bdev+0x358/0x544 [ 219.560752][ T6310] gfs2_get_tree+0x54/0x1b4 [ 219.561497][ T6310] vfs_get_tree+0x90/0x274 [ 219.562187][ T6310] do_new_mount+0x228/0x810 [ 219.562988][ T6310] path_mount+0x5b4/0x1000 [ 219.563656][ T6310] __arm64_sys_mount+0x514/0x5e4 [ 219.564458][ T6310] invoke_syscall+0x98/0x2b8 [ 219.565188][ T6310] el0_svc_common+0x138/0x258 [ 219.565926][ T6310] do_el0_svc+0x58/0x14c [ 219.566547][ T6310] el0_svc+0x78/0x1e0 [ 219.567221][ T6310] el0t_64_sync_handler+0xcc/0xe4 [ 219.568021][ T6310] el0t_64_sync+0x1a0/0x1a4 [ 219.568928][ T6310] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.572241][ T6310] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.698462][ T6312] loop1: detected capacity change from 0 to 32768 [ 219.745928][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.747123][ T6312] CPU: 0 PID: 6312 Comm: syz.1.653 Not tainted syzkaller #0 [ 219.748225][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.749723][ T6312] Call trace: [ 219.750182][ T6312] dump_backtrace+0x0/0x43c [ 219.750800][ T6312] show_stack+0x2c/0x3c [ 219.751431][ T6312] __dump_stack+0x30/0x40 [ 219.752169][ T6312] dump_stack_lvl+0xf8/0x160 [ 219.752902][ T6312] dump_stack+0x1c/0x5c [ 219.753534][ T6312] sysfs_create_dir_ns+0x22c/0x24c [ 219.754360][ T6312] kobject_add_internal+0x590/0xc54 [ 219.755127][ T6312] kobject_init_and_add+0x118/0x17c [ 219.755900][ T6312] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.756648][ T6312] gfs2_fill_super+0xdac/0x19e0 [ 219.757451][ T6312] get_tree_bdev+0x358/0x544 [ 219.758129][ T6312] gfs2_get_tree+0x54/0x1b4 [ 219.758871][ T6312] vfs_get_tree+0x90/0x274 [ 219.759513][ T6312] do_new_mount+0x228/0x810 [ 219.760184][ T6312] path_mount+0x5b4/0x1000 [ 219.760841][ T6312] __arm64_sys_mount+0x514/0x5e4 [ 219.761562][ T6312] invoke_syscall+0x98/0x2b8 [ 219.762255][ T6312] el0_svc_common+0x138/0x258 [ 219.762952][ T6312] do_el0_svc+0x58/0x14c [ 219.763658][ T6312] el0_svc+0x78/0x1e0 [ 219.764246][ T6312] el0t_64_sync_handler+0xcc/0xe4 [ 219.764980][ T6312] el0t_64_sync+0x1a0/0x1a4 [ 219.769114][ T6312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.771077][ T6312] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.902071][ T6314] loop1: detected capacity change from 0 to 32768 [ 219.935239][ T6314] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.936421][ T6314] CPU: 1 PID: 6314 Comm: syz.1.654 Not tainted syzkaller #0 [ 219.937583][ T6314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.939144][ T6314] Call trace: [ 219.939632][ T6314] dump_backtrace+0x0/0x43c [ 219.940290][ T6314] show_stack+0x2c/0x3c [ 219.940875][ T6314] __dump_stack+0x30/0x40 [ 219.941487][ T6314] dump_stack_lvl+0xf8/0x160 [ 219.942212][ T6314] dump_stack+0x1c/0x5c [ 219.942821][ T6314] sysfs_create_dir_ns+0x22c/0x24c [ 219.943564][ T6314] kobject_add_internal+0x590/0xc54 [ 219.944389][ T6314] kobject_init_and_add+0x118/0x17c [ 219.945188][ T6314] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.945956][ T6314] gfs2_fill_super+0xdac/0x19e0 [ 219.946687][ T6314] get_tree_bdev+0x358/0x544 [ 219.947427][ T6314] gfs2_get_tree+0x54/0x1b4 [ 219.948072][ T6314] vfs_get_tree+0x90/0x274 [ 219.948732][ T6314] do_new_mount+0x228/0x810 [ 219.949450][ T6314] path_mount+0x5b4/0x1000 [ 219.950086][ T6314] __arm64_sys_mount+0x514/0x5e4 [ 219.950824][ T6314] invoke_syscall+0x98/0x2b8 [ 219.951608][ T6314] el0_svc_common+0x138/0x258 [ 219.952379][ T6314] do_el0_svc+0x58/0x14c [ 219.953025][ T6314] el0_svc+0x78/0x1e0 [ 219.953626][ T6314] el0t_64_sync_handler+0xcc/0xe4 [ 219.954438][ T6314] el0t_64_sync+0x1a0/0x1a4 [ 219.955410][ T6314] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.957431][ T6314] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.116057][ T6316] loop1: detected capacity change from 0 to 32768 [ 220.123679][ T6316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.125004][ T6316] CPU: 1 PID: 6316 Comm: syz.1.655 Not tainted syzkaller #0 [ 220.126097][ T6316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.127753][ T6316] Call trace: [ 220.128310][ T6316] dump_backtrace+0x0/0x43c [ 220.129057][ T6316] show_stack+0x2c/0x3c [ 220.129682][ T6316] __dump_stack+0x30/0x40 [ 220.130315][ T6316] dump_stack_lvl+0xf8/0x160 [ 220.131089][ T6316] dump_stack+0x1c/0x5c [ 220.131764][ T6316] sysfs_create_dir_ns+0x22c/0x24c [ 220.132507][ T6316] kobject_add_internal+0x590/0xc54 [ 220.133314][ T6316] kobject_init_and_add+0x118/0x17c [ 220.134089][ T6316] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.134869][ T6316] gfs2_fill_super+0xdac/0x19e0 [ 220.135575][ T6316] get_tree_bdev+0x358/0x544 [ 220.136264][ T6316] gfs2_get_tree+0x54/0x1b4 [ 220.136933][ T6316] vfs_get_tree+0x90/0x274 [ 220.137585][ T6316] do_new_mount+0x228/0x810 [ 220.138327][ T6316] path_mount+0x5b4/0x1000 [ 220.139043][ T6316] __arm64_sys_mount+0x514/0x5e4 [ 220.139865][ T6316] invoke_syscall+0x98/0x2b8 [ 220.140643][ T6316] el0_svc_common+0x138/0x258 [ 220.141405][ T6316] do_el0_svc+0x58/0x14c [ 220.142065][ T6316] el0_svc+0x78/0x1e0 [ 220.142670][ T6316] el0t_64_sync_handler+0xcc/0xe4 [ 220.143365][ T6316] el0t_64_sync+0x1a0/0x1a4 [ 220.144244][ T6316] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.146223][ T6316] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.283639][ T6318] loop1: detected capacity change from 0 to 32768 [ 220.293278][ T6318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.294601][ T6318] CPU: 1 PID: 6318 Comm: syz.1.656 Not tainted syzkaller #0 [ 220.295689][ T6318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.297162][ T6318] Call trace: [ 220.297637][ T6318] dump_backtrace+0x0/0x43c [ 220.298315][ T6318] show_stack+0x2c/0x3c [ 220.298914][ T6318] __dump_stack+0x30/0x40 [ 220.299591][ T6318] dump_stack_lvl+0xf8/0x160 [ 220.300319][ T6318] dump_stack+0x1c/0x5c [ 220.301013][ T6318] sysfs_create_dir_ns+0x22c/0x24c [ 220.301798][ T6318] kobject_add_internal+0x590/0xc54 [ 220.302567][ T6318] kobject_init_and_add+0x118/0x17c [ 220.303302][ T6318] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.304001][ T6318] gfs2_fill_super+0xdac/0x19e0 [ 220.304699][ T6318] get_tree_bdev+0x358/0x544 [ 220.305349][ T6318] gfs2_get_tree+0x54/0x1b4 [ 220.306084][ T6318] vfs_get_tree+0x90/0x274 [ 220.306834][ T6318] do_new_mount+0x228/0x810 [ 220.307536][ T6318] path_mount+0x5b4/0x1000 [ 220.308368][ T6318] __arm64_sys_mount+0x514/0x5e4 [ 220.309168][ T6318] invoke_syscall+0x98/0x2b8 [ 220.309892][ T6318] el0_svc_common+0x138/0x258 [ 220.310695][ T6318] do_el0_svc+0x58/0x14c [ 220.311394][ T6318] el0_svc+0x78/0x1e0 [ 220.311996][ T6318] el0t_64_sync_handler+0xcc/0xe4 [ 220.312817][ T6318] el0t_64_sync+0x1a0/0x1a4 [ 220.313587][ T6318] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.315566][ T6318] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.448869][ T6320] loop1: detected capacity change from 0 to 32768 [ 220.457207][ T6320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.458354][ T6320] CPU: 0 PID: 6320 Comm: syz.1.657 Not tainted syzkaller #0 [ 220.459408][ T6320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.460758][ T6320] Call trace: [ 220.461195][ T6320] dump_backtrace+0x0/0x43c [ 220.461822][ T6320] show_stack+0x2c/0x3c [ 220.462407][ T6320] __dump_stack+0x30/0x40 [ 220.463024][ T6320] dump_stack_lvl+0xf8/0x160 [ 220.463666][ T6320] dump_stack+0x1c/0x5c [ 220.464230][ T6320] sysfs_create_dir_ns+0x22c/0x24c [ 220.465096][ T6320] kobject_add_internal+0x590/0xc54 [ 220.465908][ T6320] kobject_init_and_add+0x118/0x17c [ 220.466814][ T6320] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.467545][ T6320] gfs2_fill_super+0xdac/0x19e0 [ 220.468382][ T6320] get_tree_bdev+0x358/0x544 [ 220.469117][ T6320] gfs2_get_tree+0x54/0x1b4 [ 220.469837][ T6320] vfs_get_tree+0x90/0x274 [ 220.470446][ T6320] do_new_mount+0x228/0x810 [ 220.471102][ T6320] path_mount+0x5b4/0x1000 [ 220.471766][ T6320] __arm64_sys_mount+0x514/0x5e4 [ 220.472549][ T6320] invoke_syscall+0x98/0x2b8 [ 220.473265][ T6320] el0_svc_common+0x138/0x258 [ 220.474002][ T6320] do_el0_svc+0x58/0x14c [ 220.474634][ T6320] el0_svc+0x78/0x1e0 [ 220.475272][ T6320] el0t_64_sync_handler+0xcc/0xe4 [ 220.475999][ T6320] el0t_64_sync+0x1a0/0x1a4 [ 220.478402][ T6320] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.480404][ T6320] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.607282][ T6322] loop1: detected capacity change from 0 to 32768 [ 220.696196][ T6322] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.697413][ T6322] CPU: 1 PID: 6322 Comm: syz.1.658 Not tainted syzkaller #0 [ 220.698543][ T6322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.699978][ T6322] Call trace: [ 220.700482][ T6322] dump_backtrace+0x0/0x43c [ 220.701175][ T6322] show_stack+0x2c/0x3c [ 220.701840][ T6322] __dump_stack+0x30/0x40 [ 220.702547][ T6322] dump_stack_lvl+0xf8/0x160 [ 220.703334][ T6322] dump_stack+0x1c/0x5c [ 220.703991][ T6322] sysfs_create_dir_ns+0x22c/0x24c [ 220.704742][ T6322] kobject_add_internal+0x590/0xc54 [ 220.705521][ T6322] kobject_init_and_add+0x118/0x17c [ 220.706314][ T6322] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.707069][ T6322] gfs2_fill_super+0xdac/0x19e0 [ 220.707865][ T6322] get_tree_bdev+0x358/0x544 [ 220.708640][ T6322] gfs2_get_tree+0x54/0x1b4 [ 220.709391][ T6322] vfs_get_tree+0x90/0x274 [ 220.710065][ T6322] do_new_mount+0x228/0x810 [ 220.710811][ T6322] path_mount+0x5b4/0x1000 [ 220.711537][ T6322] __arm64_sys_mount+0x514/0x5e4 [ 220.712378][ T6322] invoke_syscall+0x98/0x2b8 [ 220.713126][ T6322] el0_svc_common+0x138/0x258 [ 220.713875][ T6322] do_el0_svc+0x58/0x14c [ 220.714579][ T6322] el0_svc+0x78/0x1e0 [ 220.715231][ T6322] el0t_64_sync_handler+0xcc/0xe4 [ 220.715965][ T6322] el0t_64_sync+0x1a0/0x1a4 [ 220.718077][ T6322] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.720030][ T6322] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.847778][ T6324] loop1: detected capacity change from 0 to 32768 [ 220.885865][ T6324] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.886987][ T6324] CPU: 0 PID: 6324 Comm: syz.1.659 Not tainted syzkaller #0 [ 220.888064][ T6324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.889548][ T6324] Call trace: [ 220.889986][ T6324] dump_backtrace+0x0/0x43c [ 220.890607][ T6324] show_stack+0x2c/0x3c [ 220.891154][ T6324] __dump_stack+0x30/0x40 [ 220.891779][ T6324] dump_stack_lvl+0xf8/0x160 [ 220.892424][ T6324] dump_stack+0x1c/0x5c [ 220.892959][ T6324] sysfs_create_dir_ns+0x22c/0x24c [ 220.893640][ T6324] kobject_add_internal+0x590/0xc54 [ 220.894473][ T6324] kobject_init_and_add+0x118/0x17c [ 220.895340][ T6324] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.896043][ T6324] gfs2_fill_super+0xdac/0x19e0 [ 220.896834][ T6324] get_tree_bdev+0x358/0x544 [ 220.897570][ T6324] gfs2_get_tree+0x54/0x1b4 [ 220.898261][ T6324] vfs_get_tree+0x90/0x274 [ 220.898958][ T6324] do_new_mount+0x228/0x810 [ 220.899612][ T6324] path_mount+0x5b4/0x1000 [ 220.900245][ T6324] __arm64_sys_mount+0x514/0x5e4 [ 220.900959][ T6324] invoke_syscall+0x98/0x2b8 [ 220.901585][ T6324] el0_svc_common+0x138/0x258 [ 220.902228][ T6324] do_el0_svc+0x58/0x14c [ 220.902815][ T6324] el0_svc+0x78/0x1e0 [ 220.903350][ T6324] el0t_64_sync_handler+0xcc/0xe4 [ 220.904025][ T6324] el0t_64_sync+0x1a0/0x1a4 [ 220.908250][ T6324] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.910049][ T6324] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.038478][ T6326] loop1: detected capacity change from 0 to 32768 [ 221.075185][ T6326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.076320][ T6326] CPU: 0 PID: 6326 Comm: syz.1.660 Not tainted syzkaller #0 [ 221.077406][ T6326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.078857][ T6326] Call trace: [ 221.079354][ T6326] dump_backtrace+0x0/0x43c [ 221.080057][ T6326] show_stack+0x2c/0x3c [ 221.080632][ T6326] __dump_stack+0x30/0x40 [ 221.081269][ T6326] dump_stack_lvl+0xf8/0x160 [ 221.081924][ T6326] dump_stack+0x1c/0x5c [ 221.082525][ T6326] sysfs_create_dir_ns+0x22c/0x24c [ 221.083221][ T6326] kobject_add_internal+0x590/0xc54 [ 221.083932][ T6326] kobject_init_and_add+0x118/0x17c [ 221.084651][ T6326] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.085412][ T6326] gfs2_fill_super+0xdac/0x19e0 [ 221.086190][ T6326] get_tree_bdev+0x358/0x544 [ 221.086884][ T6326] gfs2_get_tree+0x54/0x1b4 [ 221.087533][ T6326] vfs_get_tree+0x90/0x274 [ 221.088166][ T6326] do_new_mount+0x228/0x810 [ 221.088807][ T6326] path_mount+0x5b4/0x1000 [ 221.089464][ T6326] __arm64_sys_mount+0x514/0x5e4 [ 221.090176][ T6326] invoke_syscall+0x98/0x2b8 [ 221.090946][ T6326] el0_svc_common+0x138/0x258 [ 221.091583][ T6326] do_el0_svc+0x58/0x14c [ 221.092121][ T6326] el0_svc+0x78/0x1e0 [ 221.092706][ T6326] el0t_64_sync_handler+0xcc/0xe4 [ 221.093423][ T6326] el0t_64_sync+0x1a0/0x1a4 [ 221.095036][ T6326] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.096891][ T6326] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.226798][ T6328] loop1: detected capacity change from 0 to 32768 [ 221.270637][ T6328] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.271823][ T6328] CPU: 0 PID: 6328 Comm: syz.1.661 Not tainted syzkaller #0 [ 221.272961][ T6328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.274561][ T6328] Call trace: [ 221.275057][ T6328] dump_backtrace+0x0/0x43c [ 221.275721][ T6328] show_stack+0x2c/0x3c [ 221.276313][ T6328] __dump_stack+0x30/0x40 [ 221.276960][ T6328] dump_stack_lvl+0xf8/0x160 [ 221.277607][ T6328] dump_stack+0x1c/0x5c [ 221.278189][ T6328] sysfs_create_dir_ns+0x22c/0x24c [ 221.278922][ T6328] kobject_add_internal+0x590/0xc54 [ 221.279698][ T6328] kobject_init_and_add+0x118/0x17c [ 221.280422][ T6328] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.281154][ T6328] gfs2_fill_super+0xdac/0x19e0 [ 221.281871][ T6328] get_tree_bdev+0x358/0x544 [ 221.282461][ T6328] gfs2_get_tree+0x54/0x1b4 [ 221.283137][ T6328] vfs_get_tree+0x90/0x274 [ 221.283751][ T6328] do_new_mount+0x228/0x810 [ 221.284375][ T6328] path_mount+0x5b4/0x1000 [ 221.285026][ T6328] __arm64_sys_mount+0x514/0x5e4 [ 221.285748][ T6328] invoke_syscall+0x98/0x2b8 [ 221.286415][ T6328] el0_svc_common+0x138/0x258 [ 221.287118][ T6328] do_el0_svc+0x58/0x14c [ 221.287819][ T6328] el0_svc+0x78/0x1e0 [ 221.288435][ T6328] el0t_64_sync_handler+0xcc/0xe4 [ 221.289239][ T6328] el0t_64_sync+0x1a0/0x1a4 [ 221.291326][ T6328] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.293287][ T6328] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.424828][ T6330] loop1: detected capacity change from 0 to 32768 [ 221.478904][ T6330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.480844][ T6330] CPU: 0 PID: 6330 Comm: syz.1.662 Not tainted syzkaller #0 [ 221.481889][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.483407][ T6330] Call trace: [ 221.483890][ T6330] dump_backtrace+0x0/0x43c [ 221.484587][ T6330] show_stack+0x2c/0x3c [ 221.485209][ T6330] __dump_stack+0x30/0x40 [ 221.485890][ T6330] dump_stack_lvl+0xf8/0x160 [ 221.486646][ T6330] dump_stack+0x1c/0x5c [ 221.487318][ T6330] sysfs_create_dir_ns+0x22c/0x24c [ 221.488123][ T6330] kobject_add_internal+0x590/0xc54 [ 221.488892][ T6330] kobject_init_and_add+0x118/0x17c [ 221.489708][ T6330] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.490446][ T6330] gfs2_fill_super+0xdac/0x19e0 [ 221.491182][ T6330] get_tree_bdev+0x358/0x544 [ 221.491854][ T6330] gfs2_get_tree+0x54/0x1b4 [ 221.492546][ T6330] vfs_get_tree+0x90/0x274 [ 221.493179][ T6330] do_new_mount+0x228/0x810 [ 221.493885][ T6330] path_mount+0x5b4/0x1000 [ 221.494538][ T6330] __arm64_sys_mount+0x514/0x5e4 [ 221.495199][ T6330] invoke_syscall+0x98/0x2b8 [ 221.495869][ T6330] el0_svc_common+0x138/0x258 [ 221.496601][ T6330] do_el0_svc+0x58/0x14c [ 221.497256][ T6330] el0_svc+0x78/0x1e0 [ 221.497928][ T6330] el0t_64_sync_handler+0xcc/0xe4 [ 221.498670][ T6330] el0t_64_sync+0x1a0/0x1a4 [ 221.500868][ T6330] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.502766][ T6330] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.636316][ T6332] loop1: detected capacity change from 0 to 32768 [ 221.639531][ T6332] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.640688][ T6332] CPU: 1 PID: 6332 Comm: syz.1.663 Not tainted syzkaller #0 [ 221.641779][ T6332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.643277][ T6332] Call trace: [ 221.643773][ T6332] dump_backtrace+0x0/0x43c [ 221.644445][ T6332] show_stack+0x2c/0x3c [ 221.645191][ T6332] __dump_stack+0x30/0x40 [ 221.645924][ T6332] dump_stack_lvl+0xf8/0x160 [ 221.646718][ T6332] dump_stack+0x1c/0x5c [ 221.647333][ T6332] sysfs_create_dir_ns+0x22c/0x24c [ 221.648246][ T6332] kobject_add_internal+0x590/0xc54 [ 221.649153][ T6332] kobject_init_and_add+0x118/0x17c [ 221.649941][ T6332] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.650665][ T6332] gfs2_fill_super+0xdac/0x19e0 [ 221.651385][ T6332] get_tree_bdev+0x358/0x544 [ 221.652071][ T6332] gfs2_get_tree+0x54/0x1b4 [ 221.652753][ T6332] vfs_get_tree+0x90/0x274 [ 221.653509][ T6332] do_new_mount+0x228/0x810 [ 221.654267][ T6332] path_mount+0x5b4/0x1000 [ 221.655026][ T6332] __arm64_sys_mount+0x514/0x5e4 [ 221.655827][ T6332] invoke_syscall+0x98/0x2b8 [ 221.656530][ T6332] el0_svc_common+0x138/0x258 [ 221.657231][ T6332] do_el0_svc+0x58/0x14c [ 221.657914][ T6332] el0_svc+0x78/0x1e0 [ 221.658603][ T6332] el0t_64_sync_handler+0xcc/0xe4 [ 221.659349][ T6332] el0t_64_sync+0x1a0/0x1a4 [ 221.661388][ T6332] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.663443][ T6332] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.796447][ T6334] loop1: detected capacity change from 0 to 32768 [ 221.803659][ T6334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.805164][ T6334] CPU: 0 PID: 6334 Comm: syz.1.664 Not tainted syzkaller #0 [ 221.806331][ T6334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.807758][ T6334] Call trace: [ 221.808262][ T6334] dump_backtrace+0x0/0x43c [ 221.808953][ T6334] show_stack+0x2c/0x3c [ 221.809527][ T6334] __dump_stack+0x30/0x40 [ 221.810123][ T6334] dump_stack_lvl+0xf8/0x160 [ 221.810828][ T6334] dump_stack+0x1c/0x5c [ 221.811406][ T6334] sysfs_create_dir_ns+0x22c/0x24c [ 221.812109][ T6334] kobject_add_internal+0x590/0xc54 [ 221.812779][ T6334] kobject_init_and_add+0x118/0x17c [ 221.813438][ T6334] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.814132][ T6334] gfs2_fill_super+0xdac/0x19e0 [ 221.814880][ T6334] get_tree_bdev+0x358/0x544 [ 221.815554][ T6334] gfs2_get_tree+0x54/0x1b4 [ 221.816205][ T6334] vfs_get_tree+0x90/0x274 [ 221.816901][ T6334] do_new_mount+0x228/0x810 [ 221.817567][ T6334] path_mount+0x5b4/0x1000 [ 221.818236][ T6334] __arm64_sys_mount+0x514/0x5e4 [ 221.818981][ T6334] invoke_syscall+0x98/0x2b8 [ 221.819667][ T6334] el0_svc_common+0x138/0x258 [ 221.820378][ T6334] do_el0_svc+0x58/0x14c [ 221.820987][ T6334] el0_svc+0x78/0x1e0 [ 221.821547][ T6334] el0t_64_sync_handler+0xcc/0xe4 [ 221.822258][ T6334] el0t_64_sync+0x1a0/0x1a4 [ 221.824355][ T6334] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.826303][ T6334] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.952676][ T6336] loop1: detected capacity change from 0 to 32768 [ 222.049647][ T6336] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.050934][ T6336] CPU: 1 PID: 6336 Comm: syz.1.665 Not tainted syzkaller #0 [ 222.052108][ T6336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.053666][ T6336] Call trace: [ 222.054167][ T6336] dump_backtrace+0x0/0x43c [ 222.054885][ T6336] show_stack+0x2c/0x3c [ 222.055554][ T6336] __dump_stack+0x30/0x40 [ 222.056316][ T6336] dump_stack_lvl+0xf8/0x160 [ 222.057089][ T6336] dump_stack+0x1c/0x5c [ 222.057771][ T6336] sysfs_create_dir_ns+0x22c/0x24c [ 222.058690][ T6336] kobject_add_internal+0x590/0xc54 [ 222.059576][ T6336] kobject_init_and_add+0x118/0x17c [ 222.060414][ T6336] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.061172][ T6336] gfs2_fill_super+0xdac/0x19e0 [ 222.061991][ T6336] get_tree_bdev+0x358/0x544 [ 222.062696][ T6336] gfs2_get_tree+0x54/0x1b4 [ 222.063414][ T6336] vfs_get_tree+0x90/0x274 [ 222.064074][ T6336] do_new_mount+0x228/0x810 [ 222.064849][ T6336] path_mount+0x5b4/0x1000 [ 222.065543][ T6336] __arm64_sys_mount+0x514/0x5e4 [ 222.066391][ T6336] invoke_syscall+0x98/0x2b8 [ 222.067119][ T6336] el0_svc_common+0x138/0x258 [ 222.067903][ T6336] do_el0_svc+0x58/0x14c [ 222.068528][ T6336] el0_svc+0x78/0x1e0 [ 222.069168][ T6336] el0t_64_sync_handler+0xcc/0xe4 [ 222.069983][ T6336] el0t_64_sync+0x1a0/0x1a4 [ 222.070854][ T6336] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.072878][ T6336] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.208385][ T6338] loop1: detected capacity change from 0 to 32768 [ 222.248049][ T6338] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.249267][ T6338] CPU: 0 PID: 6338 Comm: syz.1.666 Not tainted syzkaller #0 [ 222.250281][ T6338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.251753][ T6338] Call trace: [ 222.252208][ T6338] dump_backtrace+0x0/0x43c [ 222.252878][ T6338] show_stack+0x2c/0x3c [ 222.253473][ T6338] __dump_stack+0x30/0x40 [ 222.254151][ T6338] dump_stack_lvl+0xf8/0x160 [ 222.254829][ T6338] dump_stack+0x1c/0x5c [ 222.255426][ T6338] sysfs_create_dir_ns+0x22c/0x24c [ 222.256243][ T6338] kobject_add_internal+0x590/0xc54 [ 222.257117][ T6338] kobject_init_and_add+0x118/0x17c [ 222.257915][ T6338] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.258662][ T6338] gfs2_fill_super+0xdac/0x19e0 [ 222.259463][ T6338] get_tree_bdev+0x358/0x544 [ 222.260149][ T6338] gfs2_get_tree+0x54/0x1b4 [ 222.260857][ T6338] vfs_get_tree+0x90/0x274 [ 222.261522][ T6338] do_new_mount+0x228/0x810 [ 222.262269][ T6338] path_mount+0x5b4/0x1000 [ 222.263011][ T6338] __arm64_sys_mount+0x514/0x5e4 [ 222.263687][ T6338] invoke_syscall+0x98/0x2b8 [ 222.264348][ T6338] el0_svc_common+0x138/0x258 [ 222.265122][ T6338] do_el0_svc+0x58/0x14c [ 222.265786][ T6338] el0_svc+0x78/0x1e0 [ 222.266459][ T6338] el0t_64_sync_handler+0xcc/0xe4 [ 222.267283][ T6338] el0t_64_sync+0x1a0/0x1a4 [ 222.268768][ T6338] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.270644][ T6338] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.399925][ T6340] loop1: detected capacity change from 0 to 32768 [ 222.407433][ T6340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.408694][ T6340] CPU: 1 PID: 6340 Comm: syz.1.667 Not tainted syzkaller #0 [ 222.409897][ T6340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.411516][ T6340] Call trace: [ 222.412064][ T6340] dump_backtrace+0x0/0x43c [ 222.412714][ T6340] show_stack+0x2c/0x3c [ 222.413404][ T6340] __dump_stack+0x30/0x40 [ 222.414048][ T6340] dump_stack_lvl+0xf8/0x160 [ 222.414815][ T6340] dump_stack+0x1c/0x5c [ 222.415534][ T6340] sysfs_create_dir_ns+0x22c/0x24c [ 222.416439][ T6340] kobject_add_internal+0x590/0xc54 [ 222.417361][ T6340] kobject_init_and_add+0x118/0x17c [ 222.418154][ T6340] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.418945][ T6340] gfs2_fill_super+0xdac/0x19e0 [ 222.419746][ T6340] get_tree_bdev+0x358/0x544 [ 222.420483][ T6340] gfs2_get_tree+0x54/0x1b4 [ 222.421209][ T6340] vfs_get_tree+0x90/0x274 [ 222.421886][ T6340] do_new_mount+0x228/0x810 [ 222.422623][ T6340] path_mount+0x5b4/0x1000 [ 222.423352][ T6340] __arm64_sys_mount+0x514/0x5e4 [ 222.424144][ T6340] invoke_syscall+0x98/0x2b8 [ 222.424898][ T6340] el0_svc_common+0x138/0x258 [ 222.425693][ T6340] do_el0_svc+0x58/0x14c [ 222.426442][ T6340] el0_svc+0x78/0x1e0 [ 222.427056][ T6340] el0t_64_sync_handler+0xcc/0xe4 [ 222.427826][ T6340] el0t_64_sync+0x1a0/0x1a4 [ 222.428713][ T6340] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.430628][ T6340] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.560778][ T6342] loop1: detected capacity change from 0 to 32768 [ 222.615283][ T6342] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.616363][ T6342] CPU: 1 PID: 6342 Comm: syz.1.668 Not tainted syzkaller #0 [ 222.617335][ T6342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.618810][ T6342] Call trace: [ 222.619303][ T6342] dump_backtrace+0x0/0x43c [ 222.619968][ T6342] show_stack+0x2c/0x3c [ 222.620519][ T6342] __dump_stack+0x30/0x40 [ 222.621132][ T6342] dump_stack_lvl+0xf8/0x160 [ 222.621756][ T6342] dump_stack+0x1c/0x5c [ 222.622401][ T6342] sysfs_create_dir_ns+0x22c/0x24c [ 222.623121][ T6342] kobject_add_internal+0x590/0xc54 [ 222.623827][ T6342] kobject_init_and_add+0x118/0x17c [ 222.624632][ T6342] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.625465][ T6342] gfs2_fill_super+0xdac/0x19e0 [ 222.626322][ T6342] get_tree_bdev+0x358/0x544 [ 222.627032][ T6342] gfs2_get_tree+0x54/0x1b4 [ 222.627744][ T6342] vfs_get_tree+0x90/0x274 [ 222.628467][ T6342] do_new_mount+0x228/0x810 [ 222.629204][ T6342] path_mount+0x5b4/0x1000 [ 222.629939][ T6342] __arm64_sys_mount+0x514/0x5e4 [ 222.630765][ T6342] invoke_syscall+0x98/0x2b8 [ 222.631539][ T6342] el0_svc_common+0x138/0x258 [ 222.632297][ T6342] do_el0_svc+0x58/0x14c [ 222.633028][ T6342] el0_svc+0x78/0x1e0 [ 222.633707][ T6342] el0t_64_sync_handler+0xcc/0xe4 [ 222.634584][ T6342] el0t_64_sync+0x1a0/0x1a4 [ 222.636729][ T6342] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.638842][ T6342] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:42 executed programs: 655 [ 222.770556][ T6344] loop1: detected capacity change from 0 to 32768 [ 222.778043][ T6344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.779262][ T6344] CPU: 0 PID: 6344 Comm: syz.1.669 Not tainted syzkaller #0 [ 222.780343][ T6344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.781835][ T6344] Call trace: [ 222.782304][ T6344] dump_backtrace+0x0/0x43c [ 222.782951][ T6344] show_stack+0x2c/0x3c [ 222.783581][ T6344] __dump_stack+0x30/0x40 [ 222.784311][ T6344] dump_stack_lvl+0xf8/0x160 [ 222.785033][ T6344] dump_stack+0x1c/0x5c [ 222.785690][ T6344] sysfs_create_dir_ns+0x22c/0x24c [ 222.786390][ T6344] kobject_add_internal+0x590/0xc54 [ 222.787114][ T6344] kobject_init_and_add+0x118/0x17c [ 222.787917][ T6344] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.788588][ T6344] gfs2_fill_super+0xdac/0x19e0 [ 222.789357][ T6344] get_tree_bdev+0x358/0x544 [ 222.790097][ T6344] gfs2_get_tree+0x54/0x1b4 [ 222.790800][ T6344] vfs_get_tree+0x90/0x274 [ 222.791429][ T6344] do_new_mount+0x228/0x810 [ 222.792053][ T6344] path_mount+0x5b4/0x1000 [ 222.792674][ T6344] __arm64_sys_mount+0x514/0x5e4 [ 222.793318][ T6344] invoke_syscall+0x98/0x2b8 [ 222.793985][ T6344] el0_svc_common+0x138/0x258 [ 222.794593][ T6344] do_el0_svc+0x58/0x14c [ 222.795141][ T6344] el0_svc+0x78/0x1e0 [ 222.795681][ T6344] el0t_64_sync_handler+0xcc/0xe4 [ 222.796390][ T6344] el0t_64_sync+0x1a0/0x1a4 [ 222.797527][ T6344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.799477][ T6344] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.925967][ T6346] loop1: detected capacity change from 0 to 32768 [ 222.975282][ T6346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.976526][ T6346] CPU: 1 PID: 6346 Comm: syz.1.670 Not tainted syzkaller #0 [ 222.977642][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.979238][ T6346] Call trace: [ 222.979737][ T6346] dump_backtrace+0x0/0x43c [ 222.980496][ T6346] show_stack+0x2c/0x3c [ 222.981099][ T6346] __dump_stack+0x30/0x40 [ 222.981736][ T6346] dump_stack_lvl+0xf8/0x160 [ 222.982428][ T6346] dump_stack+0x1c/0x5c [ 222.983061][ T6346] sysfs_create_dir_ns+0x22c/0x24c [ 222.983949][ T6346] kobject_add_internal+0x590/0xc54 [ 222.984784][ T6346] kobject_init_and_add+0x118/0x17c [ 222.985651][ T6346] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.986445][ T6346] gfs2_fill_super+0xdac/0x19e0 [ 222.987244][ T6346] get_tree_bdev+0x358/0x544 [ 222.987898][ T6346] gfs2_get_tree+0x54/0x1b4 [ 222.988599][ T6346] vfs_get_tree+0x90/0x274 [ 222.989297][ T6346] do_new_mount+0x228/0x810 [ 222.989916][ T6346] path_mount+0x5b4/0x1000 [ 222.990624][ T6346] __arm64_sys_mount+0x514/0x5e4 [ 222.991483][ T6346] invoke_syscall+0x98/0x2b8 [ 222.992264][ T6346] el0_svc_common+0x138/0x258 [ 222.993026][ T6346] do_el0_svc+0x58/0x14c [ 222.993687][ T6346] el0_svc+0x78/0x1e0 [ 222.994306][ T6346] el0t_64_sync_handler+0xcc/0xe4 [ 222.995087][ T6346] el0t_64_sync+0x1a0/0x1a4 [ 222.997354][ T6346] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.999498][ T6346] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.130679][ T6348] loop1: detected capacity change from 0 to 32768 [ 223.138852][ T6348] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.140081][ T6348] CPU: 1 PID: 6348 Comm: syz.1.671 Not tainted syzkaller #0 [ 223.141240][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.142760][ T6348] Call trace: [ 223.143226][ T6348] dump_backtrace+0x0/0x43c [ 223.143904][ T6348] show_stack+0x2c/0x3c [ 223.144536][ T6348] __dump_stack+0x30/0x40 [ 223.145189][ T6348] dump_stack_lvl+0xf8/0x160 [ 223.145875][ T6348] dump_stack+0x1c/0x5c [ 223.146475][ T6348] sysfs_create_dir_ns+0x22c/0x24c [ 223.147230][ T6348] kobject_add_internal+0x590/0xc54 [ 223.147981][ T6348] kobject_init_and_add+0x118/0x17c [ 223.148711][ T6348] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.149387][ T6348] gfs2_fill_super+0xdac/0x19e0 [ 223.150221][ T6348] get_tree_bdev+0x358/0x544 [ 223.150946][ T6348] gfs2_get_tree+0x54/0x1b4 [ 223.151645][ T6348] vfs_get_tree+0x90/0x274 [ 223.152328][ T6348] do_new_mount+0x228/0x810 [ 223.152994][ T6348] path_mount+0x5b4/0x1000 [ 223.153591][ T6348] __arm64_sys_mount+0x514/0x5e4 [ 223.154329][ T6348] invoke_syscall+0x98/0x2b8 [ 223.155030][ T6348] el0_svc_common+0x138/0x258 [ 223.155762][ T6348] do_el0_svc+0x58/0x14c [ 223.156384][ T6348] el0_svc+0x78/0x1e0 [ 223.156975][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 223.157728][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 223.158833][ T6348] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.160755][ T6348] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.290409][ T6350] loop1: detected capacity change from 0 to 32768 [ 223.298357][ T6350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.299544][ T6350] CPU: 1 PID: 6350 Comm: syz.1.672 Not tainted syzkaller #0 [ 223.300664][ T6350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.302275][ T6350] Call trace: [ 223.302727][ T6350] dump_backtrace+0x0/0x43c [ 223.303393][ T6350] show_stack+0x2c/0x3c [ 223.304092][ T6350] __dump_stack+0x30/0x40 [ 223.304785][ T6350] dump_stack_lvl+0xf8/0x160 [ 223.305534][ T6350] dump_stack+0x1c/0x5c [ 223.306259][ T6350] sysfs_create_dir_ns+0x22c/0x24c [ 223.307108][ T6350] kobject_add_internal+0x590/0xc54 [ 223.307979][ T6350] kobject_init_and_add+0x118/0x17c [ 223.308856][ T6350] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.309585][ T6350] gfs2_fill_super+0xdac/0x19e0 [ 223.310282][ T6350] get_tree_bdev+0x358/0x544 [ 223.310926][ T6350] gfs2_get_tree+0x54/0x1b4 [ 223.311613][ T6350] vfs_get_tree+0x90/0x274 [ 223.312327][ T6350] do_new_mount+0x228/0x810 [ 223.313066][ T6350] path_mount+0x5b4/0x1000 [ 223.313821][ T6350] __arm64_sys_mount+0x514/0x5e4 [ 223.314638][ T6350] invoke_syscall+0x98/0x2b8 [ 223.315376][ T6350] el0_svc_common+0x138/0x258 [ 223.316163][ T6350] do_el0_svc+0x58/0x14c [ 223.316842][ T6350] el0_svc+0x78/0x1e0 [ 223.317430][ T6350] el0t_64_sync_handler+0xcc/0xe4 [ 223.318229][ T6350] el0t_64_sync+0x1a0/0x1a4 [ 223.319195][ T6350] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.321046][ T6350] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.455000][ T6352] loop1: detected capacity change from 0 to 32768 [ 223.505204][ T6352] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.506461][ T6352] CPU: 0 PID: 6352 Comm: syz.1.673 Not tainted syzkaller #0 [ 223.507499][ T6352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.508897][ T6352] Call trace: [ 223.509368][ T6352] dump_backtrace+0x0/0x43c [ 223.510038][ T6352] show_stack+0x2c/0x3c [ 223.510683][ T6352] __dump_stack+0x30/0x40 [ 223.511340][ T6352] dump_stack_lvl+0xf8/0x160 [ 223.512067][ T6352] dump_stack+0x1c/0x5c [ 223.512747][ T6352] sysfs_create_dir_ns+0x22c/0x24c [ 223.513568][ T6352] kobject_add_internal+0x590/0xc54 [ 223.514370][ T6352] kobject_init_and_add+0x118/0x17c [ 223.515138][ T6352] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.515803][ T6352] gfs2_fill_super+0xdac/0x19e0 [ 223.516479][ T6352] get_tree_bdev+0x358/0x544 [ 223.517139][ T6352] gfs2_get_tree+0x54/0x1b4 [ 223.517808][ T6352] vfs_get_tree+0x90/0x274 [ 223.518489][ T6352] do_new_mount+0x228/0x810 [ 223.519225][ T6352] path_mount+0x5b4/0x1000 [ 223.519920][ T6352] __arm64_sys_mount+0x514/0x5e4 [ 223.520671][ T6352] invoke_syscall+0x98/0x2b8 [ 223.521313][ T6352] el0_svc_common+0x138/0x258 [ 223.521994][ T6352] do_el0_svc+0x58/0x14c [ 223.522609][ T6352] el0_svc+0x78/0x1e0 [ 223.523167][ T6352] el0t_64_sync_handler+0xcc/0xe4 [ 223.523872][ T6352] el0t_64_sync+0x1a0/0x1a4 [ 223.526328][ T6352] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.528109][ T6352] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.654385][ T6354] loop1: detected capacity change from 0 to 32768 [ 223.725999][ T6354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.727345][ T6354] CPU: 1 PID: 6354 Comm: syz.1.674 Not tainted syzkaller #0 [ 223.728544][ T6354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.730205][ T6354] Call trace: [ 223.730755][ T6354] dump_backtrace+0x0/0x43c [ 223.731483][ T6354] show_stack+0x2c/0x3c [ 223.732146][ T6354] __dump_stack+0x30/0x40 [ 223.732780][ T6354] dump_stack_lvl+0xf8/0x160 [ 223.733525][ T6354] dump_stack+0x1c/0x5c [ 223.734194][ T6354] sysfs_create_dir_ns+0x22c/0x24c [ 223.734997][ T6354] kobject_add_internal+0x590/0xc54 [ 223.735803][ T6354] kobject_init_and_add+0x118/0x17c [ 223.736628][ T6354] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.737404][ T6354] gfs2_fill_super+0xdac/0x19e0 [ 223.738211][ T6354] get_tree_bdev+0x358/0x544 [ 223.738902][ T6354] gfs2_get_tree+0x54/0x1b4 [ 223.739560][ T6354] vfs_get_tree+0x90/0x274 [ 223.740280][ T6354] do_new_mount+0x228/0x810 [ 223.741036][ T6354] path_mount+0x5b4/0x1000 [ 223.741746][ T6354] __arm64_sys_mount+0x514/0x5e4 [ 223.742440][ T6354] invoke_syscall+0x98/0x2b8 [ 223.743165][ T6354] el0_svc_common+0x138/0x258 [ 223.743857][ T6354] do_el0_svc+0x58/0x14c [ 223.744484][ T6354] el0_svc+0x78/0x1e0 [ 223.745167][ T6354] el0t_64_sync_handler+0xcc/0xe4 [ 223.745935][ T6354] el0t_64_sync+0x1a0/0x1a4 [ 223.747147][ T6354] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.749184][ T6354] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.927693][ T6356] loop1: detected capacity change from 0 to 32768 [ 223.989049][ T6356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.990373][ T6356] CPU: 1 PID: 6356 Comm: syz.1.675 Not tainted syzkaller #0 [ 223.991426][ T6356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.992876][ T6356] Call trace: [ 223.993319][ T6356] dump_backtrace+0x0/0x43c [ 223.993968][ T6356] show_stack+0x2c/0x3c [ 223.994585][ T6356] __dump_stack+0x30/0x40 [ 223.995277][ T6356] dump_stack_lvl+0xf8/0x160 [ 223.995966][ T6356] dump_stack+0x1c/0x5c [ 223.996539][ T6356] sysfs_create_dir_ns+0x22c/0x24c [ 223.997290][ T6356] kobject_add_internal+0x590/0xc54 [ 223.998043][ T6356] kobject_init_and_add+0x118/0x17c [ 223.998798][ T6356] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.999531][ T6356] gfs2_fill_super+0xdac/0x19e0 [ 224.000234][ T6356] get_tree_bdev+0x358/0x544 [ 224.000915][ T6356] gfs2_get_tree+0x54/0x1b4 [ 224.001620][ T6356] vfs_get_tree+0x90/0x274 [ 224.002280][ T6356] do_new_mount+0x228/0x810 [ 224.002956][ T6356] path_mount+0x5b4/0x1000 [ 224.003619][ T6356] __arm64_sys_mount+0x514/0x5e4 [ 224.004368][ T6356] invoke_syscall+0x98/0x2b8 [ 224.005071][ T6356] el0_svc_common+0x138/0x258 [ 224.005749][ T6356] do_el0_svc+0x58/0x14c [ 224.006385][ T6356] el0_svc+0x78/0x1e0 [ 224.007021][ T6356] el0t_64_sync_handler+0xcc/0xe4 [ 224.007754][ T6356] el0t_64_sync+0x1a0/0x1a4 [ 224.009132][ T6356] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.011296][ T6356] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.139888][ T6358] loop1: detected capacity change from 0 to 32768 [ 224.147206][ T6358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.148345][ T6358] CPU: 0 PID: 6358 Comm: syz.1.676 Not tainted syzkaller #0 [ 224.149330][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.150902][ T6358] Call trace: [ 224.151480][ T6358] dump_backtrace+0x0/0x43c [ 224.152188][ T6358] show_stack+0x2c/0x3c [ 224.152903][ T6358] __dump_stack+0x30/0x40 [ 224.153600][ T6358] dump_stack_lvl+0xf8/0x160 [ 224.154261][ T6358] dump_stack+0x1c/0x5c [ 224.154884][ T6358] sysfs_create_dir_ns+0x22c/0x24c [ 224.155648][ T6358] kobject_add_internal+0x590/0xc54 [ 224.156455][ T6358] kobject_init_and_add+0x118/0x17c [ 224.157175][ T6358] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.157886][ T6358] gfs2_fill_super+0xdac/0x19e0 [ 224.158577][ T6358] get_tree_bdev+0x358/0x544 [ 224.159348][ T6358] gfs2_get_tree+0x54/0x1b4 [ 224.160018][ T6358] vfs_get_tree+0x90/0x274 [ 224.160688][ T6358] do_new_mount+0x228/0x810 [ 224.161369][ T6358] path_mount+0x5b4/0x1000 [ 224.162126][ T6358] __arm64_sys_mount+0x514/0x5e4 [ 224.162906][ T6358] invoke_syscall+0x98/0x2b8 [ 224.163673][ T6358] el0_svc_common+0x138/0x258 [ 224.164389][ T6358] do_el0_svc+0x58/0x14c [ 224.165044][ T6358] el0_svc+0x78/0x1e0 [ 224.165609][ T6358] el0t_64_sync_handler+0xcc/0xe4 [ 224.166410][ T6358] el0t_64_sync+0x1a0/0x1a4 [ 224.167288][ T6358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.169296][ T6358] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.298550][ T6360] loop1: detected capacity change from 0 to 32768 [ 224.356018][ T6360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.357239][ T6360] CPU: 0 PID: 6360 Comm: syz.1.677 Not tainted syzkaller #0 [ 224.358331][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.359703][ T6360] Call trace: [ 224.360218][ T6360] dump_backtrace+0x0/0x43c [ 224.360895][ T6360] show_stack+0x2c/0x3c [ 224.361558][ T6360] __dump_stack+0x30/0x40 [ 224.362201][ T6360] dump_stack_lvl+0xf8/0x160 [ 224.362875][ T6360] dump_stack+0x1c/0x5c [ 224.363442][ T6360] sysfs_create_dir_ns+0x22c/0x24c [ 224.364236][ T6360] kobject_add_internal+0x590/0xc54 [ 224.364988][ T6360] kobject_init_and_add+0x118/0x17c [ 224.365805][ T6360] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.366612][ T6360] gfs2_fill_super+0xdac/0x19e0 [ 224.367413][ T6360] get_tree_bdev+0x358/0x544 [ 224.368096][ T6360] gfs2_get_tree+0x54/0x1b4 [ 224.368764][ T6360] vfs_get_tree+0x90/0x274 [ 224.369400][ T6360] do_new_mount+0x228/0x810 [ 224.370113][ T6360] path_mount+0x5b4/0x1000 [ 224.370779][ T6360] __arm64_sys_mount+0x514/0x5e4 [ 224.371580][ T6360] invoke_syscall+0x98/0x2b8 [ 224.372235][ T6360] el0_svc_common+0x138/0x258 [ 224.372896][ T6360] do_el0_svc+0x58/0x14c [ 224.373484][ T6360] el0_svc+0x78/0x1e0 [ 224.374015][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 224.374800][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 224.376945][ T6360] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.378700][ T6360] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.508187][ T6362] loop1: detected capacity change from 0 to 32768 [ 224.515981][ T6362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.517353][ T6362] CPU: 1 PID: 6362 Comm: syz.1.678 Not tainted syzkaller #0 [ 224.518392][ T6362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.519846][ T6362] Call trace: [ 224.520361][ T6362] dump_backtrace+0x0/0x43c [ 224.521110][ T6362] show_stack+0x2c/0x3c [ 224.521752][ T6362] __dump_stack+0x30/0x40 [ 224.522419][ T6362] dump_stack_lvl+0xf8/0x160 [ 224.523196][ T6362] dump_stack+0x1c/0x5c [ 224.523848][ T6362] sysfs_create_dir_ns+0x22c/0x24c [ 224.524682][ T6362] kobject_add_internal+0x590/0xc54 [ 224.525465][ T6362] kobject_init_and_add+0x118/0x17c [ 224.526247][ T6362] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.526909][ T6362] gfs2_fill_super+0xdac/0x19e0 [ 224.527617][ T6362] get_tree_bdev+0x358/0x544 [ 224.528316][ T6362] gfs2_get_tree+0x54/0x1b4 [ 224.528964][ T6362] vfs_get_tree+0x90/0x274 [ 224.529572][ T6362] do_new_mount+0x228/0x810 [ 224.530197][ T6362] path_mount+0x5b4/0x1000 [ 224.530813][ T6362] __arm64_sys_mount+0x514/0x5e4 [ 224.531529][ T6362] invoke_syscall+0x98/0x2b8 [ 224.532189][ T6362] el0_svc_common+0x138/0x258 [ 224.532904][ T6362] do_el0_svc+0x58/0x14c [ 224.533563][ T6362] el0_svc+0x78/0x1e0 [ 224.534172][ T6362] el0t_64_sync_handler+0xcc/0xe4 [ 224.534937][ T6362] el0t_64_sync+0x1a0/0x1a4 [ 224.537022][ T6362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.539101][ T6362] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.666252][ T6364] loop1: detected capacity change from 0 to 32768 [ 224.728880][ T6364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.730021][ T6364] CPU: 1 PID: 6364 Comm: syz.1.679 Not tainted syzkaller #0 [ 224.731187][ T6364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.732803][ T6364] Call trace: [ 224.733324][ T6364] dump_backtrace+0x0/0x43c [ 224.734131][ T6364] show_stack+0x2c/0x3c [ 224.734829][ T6364] __dump_stack+0x30/0x40 [ 224.735511][ T6364] dump_stack_lvl+0xf8/0x160 [ 224.736251][ T6364] dump_stack+0x1c/0x5c [ 224.736903][ T6364] sysfs_create_dir_ns+0x22c/0x24c [ 224.737670][ T6364] kobject_add_internal+0x590/0xc54 [ 224.738411][ T6364] kobject_init_and_add+0x118/0x17c [ 224.739217][ T6364] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.739979][ T6364] gfs2_fill_super+0xdac/0x19e0 [ 224.740754][ T6364] get_tree_bdev+0x358/0x544 [ 224.741513][ T6364] gfs2_get_tree+0x54/0x1b4 [ 224.742254][ T6364] vfs_get_tree+0x90/0x274 [ 224.742961][ T6364] do_new_mount+0x228/0x810 [ 224.743691][ T6364] path_mount+0x5b4/0x1000 [ 224.744360][ T6364] __arm64_sys_mount+0x514/0x5e4 [ 224.745034][ T6364] invoke_syscall+0x98/0x2b8 [ 224.745742][ T6364] el0_svc_common+0x138/0x258 [ 224.746463][ T6364] do_el0_svc+0x58/0x14c [ 224.747134][ T6364] el0_svc+0x78/0x1e0 [ 224.747772][ T6364] el0t_64_sync_handler+0xcc/0xe4 [ 224.748582][ T6364] el0t_64_sync+0x1a0/0x1a4 [ 224.751028][ T6364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.753146][ T6364] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.880307][ T6366] loop1: detected capacity change from 0 to 32768 [ 224.915158][ T6366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.916244][ T6366] CPU: 1 PID: 6366 Comm: syz.1.680 Not tainted syzkaller #0 [ 224.917271][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.918762][ T6366] Call trace: [ 224.919277][ T6366] dump_backtrace+0x0/0x43c [ 224.920020][ T6366] show_stack+0x2c/0x3c [ 224.920704][ T6366] __dump_stack+0x30/0x40 [ 224.921356][ T6366] dump_stack_lvl+0xf8/0x160 [ 224.922093][ T6366] dump_stack+0x1c/0x5c [ 224.922801][ T6366] sysfs_create_dir_ns+0x22c/0x24c [ 224.923640][ T6366] kobject_add_internal+0x590/0xc54 [ 224.924536][ T6366] kobject_init_and_add+0x118/0x17c [ 224.925368][ T6366] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.926111][ T6366] gfs2_fill_super+0xdac/0x19e0 [ 224.926915][ T6366] get_tree_bdev+0x358/0x544 [ 224.927604][ T6366] gfs2_get_tree+0x54/0x1b4 [ 224.928391][ T6366] vfs_get_tree+0x90/0x274 [ 224.929171][ T6366] do_new_mount+0x228/0x810 [ 224.929935][ T6366] path_mount+0x5b4/0x1000 [ 224.930619][ T6366] __arm64_sys_mount+0x514/0x5e4 [ 224.931397][ T6366] invoke_syscall+0x98/0x2b8 [ 224.932080][ T6366] el0_svc_common+0x138/0x258 [ 224.932857][ T6366] do_el0_svc+0x58/0x14c [ 224.933563][ T6366] el0_svc+0x78/0x1e0 [ 224.934185][ T6366] el0t_64_sync_handler+0xcc/0xe4 [ 224.935003][ T6366] el0t_64_sync+0x1a0/0x1a4 [ 224.937251][ T6366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.939328][ T6366] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.065948][ T6368] loop1: detected capacity change from 0 to 32768 [ 225.115133][ T6368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.116353][ T6368] CPU: 0 PID: 6368 Comm: syz.1.681 Not tainted syzkaller #0 [ 225.117343][ T6368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.118950][ T6368] Call trace: [ 225.119488][ T6368] dump_backtrace+0x0/0x43c [ 225.120218][ T6368] show_stack+0x2c/0x3c [ 225.120887][ T6368] __dump_stack+0x30/0x40 [ 225.121571][ T6368] dump_stack_lvl+0xf8/0x160 [ 225.122261][ T6368] dump_stack+0x1c/0x5c [ 225.122871][ T6368] sysfs_create_dir_ns+0x22c/0x24c [ 225.123629][ T6368] kobject_add_internal+0x590/0xc54 [ 225.124378][ T6368] kobject_init_and_add+0x118/0x17c [ 225.125218][ T6368] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.125983][ T6368] gfs2_fill_super+0xdac/0x19e0 [ 225.126751][ T6368] get_tree_bdev+0x358/0x544 [ 225.127446][ T6368] gfs2_get_tree+0x54/0x1b4 [ 225.128123][ T6368] vfs_get_tree+0x90/0x274 [ 225.128814][ T6368] do_new_mount+0x228/0x810 [ 225.129515][ T6368] path_mount+0x5b4/0x1000 [ 225.130174][ T6368] __arm64_sys_mount+0x514/0x5e4 [ 225.130961][ T6368] invoke_syscall+0x98/0x2b8 [ 225.131648][ T6368] el0_svc_common+0x138/0x258 [ 225.132384][ T6368] do_el0_svc+0x58/0x14c [ 225.133122][ T6368] el0_svc+0x78/0x1e0 [ 225.133750][ T6368] el0t_64_sync_handler+0xcc/0xe4 [ 225.134509][ T6368] el0t_64_sync+0x1a0/0x1a4 [ 225.137104][ T6368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.138980][ T6368] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.380595][ T6370] loop1: detected capacity change from 0 to 32768 [ 225.429905][ T6370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.431135][ T6370] CPU: 1 PID: 6370 Comm: syz.1.682 Not tainted syzkaller #0 [ 225.432259][ T6370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.433700][ T6370] Call trace: [ 225.434208][ T6370] dump_backtrace+0x0/0x43c [ 225.434869][ T6370] show_stack+0x2c/0x3c [ 225.435599][ T6370] __dump_stack+0x30/0x40 [ 225.436359][ T6370] dump_stack_lvl+0xf8/0x160 [ 225.437147][ T6370] dump_stack+0x1c/0x5c [ 225.437786][ T6370] sysfs_create_dir_ns+0x22c/0x24c [ 225.438660][ T6370] kobject_add_internal+0x590/0xc54 [ 225.439487][ T6370] kobject_init_and_add+0x118/0x17c [ 225.440329][ T6370] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.441076][ T6370] gfs2_fill_super+0xdac/0x19e0 [ 225.441861][ T6370] get_tree_bdev+0x358/0x544 [ 225.442576][ T6370] gfs2_get_tree+0x54/0x1b4 [ 225.443226][ T6370] vfs_get_tree+0x90/0x274 [ 225.443881][ T6370] do_new_mount+0x228/0x810 [ 225.444582][ T6370] path_mount+0x5b4/0x1000 [ 225.445239][ T6370] __arm64_sys_mount+0x514/0x5e4 [ 225.446036][ T6370] invoke_syscall+0x98/0x2b8 [ 225.446786][ T6370] el0_svc_common+0x138/0x258 [ 225.447560][ T6370] do_el0_svc+0x58/0x14c [ 225.448306][ T6370] el0_svc+0x78/0x1e0 [ 225.448951][ T6370] el0t_64_sync_handler+0xcc/0xe4 [ 225.449744][ T6370] el0t_64_sync+0x1a0/0x1a4 [ 225.451224][ T6370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.453294][ T6370] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.587600][ T6372] loop1: detected capacity change from 0 to 32768 [ 225.626698][ T6372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.627945][ T6372] CPU: 1 PID: 6372 Comm: syz.1.683 Not tainted syzkaller #0 [ 225.629142][ T6372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.630717][ T6372] Call trace: [ 225.631212][ T6372] dump_backtrace+0x0/0x43c [ 225.631885][ T6372] show_stack+0x2c/0x3c [ 225.632521][ T6372] __dump_stack+0x30/0x40 [ 225.633134][ T6372] dump_stack_lvl+0xf8/0x160 [ 225.633879][ T6372] dump_stack+0x1c/0x5c [ 225.634575][ T6372] sysfs_create_dir_ns+0x22c/0x24c [ 225.635398][ T6372] kobject_add_internal+0x590/0xc54 [ 225.636293][ T6372] kobject_init_and_add+0x118/0x17c [ 225.637145][ T6372] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.637873][ T6372] gfs2_fill_super+0xdac/0x19e0 [ 225.638594][ T6372] get_tree_bdev+0x358/0x544 [ 225.639247][ T6372] gfs2_get_tree+0x54/0x1b4 [ 225.639890][ T6372] vfs_get_tree+0x90/0x274 [ 225.640498][ T6372] do_new_mount+0x228/0x810 [ 225.641259][ T6372] path_mount+0x5b4/0x1000 [ 225.641899][ T6372] __arm64_sys_mount+0x514/0x5e4 [ 225.642650][ T6372] invoke_syscall+0x98/0x2b8 [ 225.643398][ T6372] el0_svc_common+0x138/0x258 [ 225.644167][ T6372] do_el0_svc+0x58/0x14c [ 225.644905][ T6372] el0_svc+0x78/0x1e0 [ 225.645557][ T6372] el0t_64_sync_handler+0xcc/0xe4 [ 225.646381][ T6372] el0t_64_sync+0x1a0/0x1a4 [ 225.651208][ T6372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.653279][ T6372] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.790008][ T6374] loop1: detected capacity change from 0 to 32768 [ 225.826481][ T6374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.828388][ T6374] CPU: 0 PID: 6374 Comm: syz.1.684 Not tainted syzkaller #0 [ 225.829468][ T6374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.830839][ T6374] Call trace: [ 225.831268][ T6374] dump_backtrace+0x0/0x43c [ 225.831953][ T6374] show_stack+0x2c/0x3c [ 225.832579][ T6374] __dump_stack+0x30/0x40 [ 225.833178][ T6374] dump_stack_lvl+0xf8/0x160 [ 225.833863][ T6374] dump_stack+0x1c/0x5c [ 225.834428][ T6374] sysfs_create_dir_ns+0x22c/0x24c [ 225.835159][ T6374] kobject_add_internal+0x590/0xc54 [ 225.835865][ T6374] kobject_init_and_add+0x118/0x17c [ 225.836622][ T6374] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.837274][ T6374] gfs2_fill_super+0xdac/0x19e0 [ 225.837998][ T6374] get_tree_bdev+0x358/0x544 [ 225.838653][ T6374] gfs2_get_tree+0x54/0x1b4 [ 225.839292][ T6374] vfs_get_tree+0x90/0x274 [ 225.839909][ T6374] do_new_mount+0x228/0x810 [ 225.840589][ T6374] path_mount+0x5b4/0x1000 [ 225.841185][ T6374] __arm64_sys_mount+0x514/0x5e4 [ 225.841880][ T6374] invoke_syscall+0x98/0x2b8 [ 225.842546][ T6374] el0_svc_common+0x138/0x258 [ 225.843321][ T6374] do_el0_svc+0x58/0x14c [ 225.843943][ T6374] el0_svc+0x78/0x1e0 [ 225.844518][ T6374] el0t_64_sync_handler+0xcc/0xe4 [ 225.845300][ T6374] el0t_64_sync+0x1a0/0x1a4 [ 225.847438][ T6374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.849219][ T6374] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.979700][ T6376] loop1: detected capacity change from 0 to 32768 [ 226.056001][ T6376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.057224][ T6376] CPU: 1 PID: 6376 Comm: syz.1.685 Not tainted syzkaller #0 [ 226.058412][ T6376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.059895][ T6376] Call trace: [ 226.060409][ T6376] dump_backtrace+0x0/0x43c [ 226.061043][ T6376] show_stack+0x2c/0x3c [ 226.061631][ T6376] __dump_stack+0x30/0x40 [ 226.062223][ T6376] dump_stack_lvl+0xf8/0x160 [ 226.062870][ T6376] dump_stack+0x1c/0x5c [ 226.063449][ T6376] sysfs_create_dir_ns+0x22c/0x24c [ 226.064253][ T6376] kobject_add_internal+0x590/0xc54 [ 226.065120][ T6376] kobject_init_and_add+0x118/0x17c [ 226.066038][ T6376] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.066804][ T6376] gfs2_fill_super+0xdac/0x19e0 [ 226.067716][ T6376] get_tree_bdev+0x358/0x544 [ 226.068515][ T6376] gfs2_get_tree+0x54/0x1b4 [ 226.069313][ T6376] vfs_get_tree+0x90/0x274 [ 226.070026][ T6376] do_new_mount+0x228/0x810 [ 226.070771][ T6376] path_mount+0x5b4/0x1000 [ 226.071464][ T6376] __arm64_sys_mount+0x514/0x5e4 [ 226.072256][ T6376] invoke_syscall+0x98/0x2b8 [ 226.072977][ T6376] el0_svc_common+0x138/0x258 [ 226.073723][ T6376] do_el0_svc+0x58/0x14c [ 226.074352][ T6376] el0_svc+0x78/0x1e0 [ 226.074926][ T6376] el0t_64_sync_handler+0xcc/0xe4 [ 226.075692][ T6376] el0t_64_sync+0x1a0/0x1a4 [ 226.076902][ T6376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.079056][ T6376] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.208313][ T6378] loop1: detected capacity change from 0 to 32768 [ 226.288369][ T6378] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.289648][ T6378] CPU: 0 PID: 6378 Comm: syz.1.686 Not tainted syzkaller #0 [ 226.290794][ T6378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.292373][ T6378] Call trace: [ 226.292872][ T6378] dump_backtrace+0x0/0x43c [ 226.293532][ T6378] show_stack+0x2c/0x3c [ 226.294116][ T6378] __dump_stack+0x30/0x40 [ 226.294735][ T6378] dump_stack_lvl+0xf8/0x160 [ 226.295364][ T6378] dump_stack+0x1c/0x5c [ 226.295971][ T6378] sysfs_create_dir_ns+0x22c/0x24c [ 226.296722][ T6378] kobject_add_internal+0x590/0xc54 [ 226.297506][ T6378] kobject_init_and_add+0x118/0x17c [ 226.298272][ T6378] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.298997][ T6378] gfs2_fill_super+0xdac/0x19e0 [ 226.299703][ T6378] get_tree_bdev+0x358/0x544 [ 226.300423][ T6378] gfs2_get_tree+0x54/0x1b4 [ 226.301068][ T6378] vfs_get_tree+0x90/0x274 [ 226.301707][ T6378] do_new_mount+0x228/0x810 [ 226.302323][ T6378] path_mount+0x5b4/0x1000 [ 226.302963][ T6378] __arm64_sys_mount+0x514/0x5e4 [ 226.303739][ T6378] invoke_syscall+0x98/0x2b8 [ 226.304481][ T6378] el0_svc_common+0x138/0x258 [ 226.305161][ T6378] do_el0_svc+0x58/0x14c [ 226.305738][ T6378] el0_svc+0x78/0x1e0 [ 226.306357][ T6378] el0t_64_sync_handler+0xcc/0xe4 [ 226.307065][ T6378] el0t_64_sync+0x1a0/0x1a4 [ 226.309211][ T6378] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.311215][ T6378] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.448790][ T6380] loop1: detected capacity change from 0 to 32768 [ 226.455937][ T6380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.457143][ T6380] CPU: 0 PID: 6380 Comm: syz.1.687 Not tainted syzkaller #0 [ 226.458245][ T6380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.459735][ T6380] Call trace: [ 226.460272][ T6380] dump_backtrace+0x0/0x43c [ 226.460966][ T6380] show_stack+0x2c/0x3c [ 226.461551][ T6380] __dump_stack+0x30/0x40 [ 226.462231][ T6380] dump_stack_lvl+0xf8/0x160 [ 226.462966][ T6380] dump_stack+0x1c/0x5c [ 226.463652][ T6380] sysfs_create_dir_ns+0x22c/0x24c [ 226.464410][ T6380] kobject_add_internal+0x590/0xc54 [ 226.465227][ T6380] kobject_init_and_add+0x118/0x17c [ 226.466005][ T6380] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.466762][ T6380] gfs2_fill_super+0xdac/0x19e0 [ 226.467544][ T6380] get_tree_bdev+0x358/0x544 [ 226.468201][ T6380] gfs2_get_tree+0x54/0x1b4 [ 226.468888][ T6380] vfs_get_tree+0x90/0x274 [ 226.469552][ T6380] do_new_mount+0x228/0x810 [ 226.470273][ T6380] path_mount+0x5b4/0x1000 [ 226.470951][ T6380] __arm64_sys_mount+0x514/0x5e4 [ 226.471669][ T6380] invoke_syscall+0x98/0x2b8 [ 226.472329][ T6380] el0_svc_common+0x138/0x258 [ 226.473006][ T6380] do_el0_svc+0x58/0x14c [ 226.473612][ T6380] el0_svc+0x78/0x1e0 [ 226.474189][ T6380] el0t_64_sync_handler+0xcc/0xe4 [ 226.474960][ T6380] el0t_64_sync+0x1a0/0x1a4 [ 226.477559][ T6380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.479490][ T6380] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.659299][ T6382] loop1: detected capacity change from 0 to 32768 [ 226.718281][ T6382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.719787][ T6382] CPU: 1 PID: 6382 Comm: syz.1.688 Not tainted syzkaller #0 [ 226.720902][ T6382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.722443][ T6382] Call trace: [ 226.722931][ T6382] dump_backtrace+0x0/0x43c [ 226.723670][ T6382] show_stack+0x2c/0x3c [ 226.724368][ T6382] __dump_stack+0x30/0x40 [ 226.725078][ T6382] dump_stack_lvl+0xf8/0x160 [ 226.725827][ T6382] dump_stack+0x1c/0x5c [ 226.726531][ T6382] sysfs_create_dir_ns+0x22c/0x24c [ 226.727373][ T6382] kobject_add_internal+0x590/0xc54 [ 226.728141][ T6382] kobject_init_and_add+0x118/0x17c [ 226.728940][ T6382] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.729758][ T6382] gfs2_fill_super+0xdac/0x19e0 [ 226.730495][ T6382] get_tree_bdev+0x358/0x544 [ 226.731243][ T6382] gfs2_get_tree+0x54/0x1b4 [ 226.731922][ T6382] vfs_get_tree+0x90/0x274 [ 226.732677][ T6382] do_new_mount+0x228/0x810 [ 226.733440][ T6382] path_mount+0x5b4/0x1000 [ 226.734105][ T6382] __arm64_sys_mount+0x514/0x5e4 [ 226.734831][ T6382] invoke_syscall+0x98/0x2b8 [ 226.735560][ T6382] el0_svc_common+0x138/0x258 [ 226.736343][ T6382] do_el0_svc+0x58/0x14c [ 226.737060][ T6382] el0_svc+0x78/0x1e0 [ 226.737688][ T6382] el0t_64_sync_handler+0xcc/0xe4 [ 226.738484][ T6382] el0t_64_sync+0x1a0/0x1a4 [ 226.740806][ T6382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.742751][ T6382] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.873584][ T6384] loop1: detected capacity change from 0 to 32768 [ 226.880583][ T6384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.881817][ T6384] CPU: 1 PID: 6384 Comm: syz.1.689 Not tainted syzkaller #0 [ 226.882833][ T6384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.884516][ T6384] Call trace: [ 226.885138][ T6384] dump_backtrace+0x0/0x43c [ 226.885830][ T6384] show_stack+0x2c/0x3c [ 226.886522][ T6384] __dump_stack+0x30/0x40 [ 226.887274][ T6384] dump_stack_lvl+0xf8/0x160 [ 226.888061][ T6384] dump_stack+0x1c/0x5c [ 226.888719][ T6384] sysfs_create_dir_ns+0x22c/0x24c [ 226.889598][ T6384] kobject_add_internal+0x590/0xc54 [ 226.890538][ T6384] kobject_init_and_add+0x118/0x17c [ 226.891407][ T6384] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.892222][ T6384] gfs2_fill_super+0xdac/0x19e0 [ 226.893067][ T6384] get_tree_bdev+0x358/0x544 [ 226.893835][ T6384] gfs2_get_tree+0x54/0x1b4 [ 226.894527][ T6384] vfs_get_tree+0x90/0x274 [ 226.895244][ T6384] do_new_mount+0x228/0x810 [ 226.895908][ T6384] path_mount+0x5b4/0x1000 [ 226.896585][ T6384] __arm64_sys_mount+0x514/0x5e4 [ 226.897397][ T6384] invoke_syscall+0x98/0x2b8 [ 226.898199][ T6384] el0_svc_common+0x138/0x258 [ 226.898922][ T6384] do_el0_svc+0x58/0x14c [ 226.899651][ T6384] el0_svc+0x78/0x1e0 [ 226.900353][ T6384] el0t_64_sync_handler+0xcc/0xe4 [ 226.901127][ T6384] el0t_64_sync+0x1a0/0x1a4 [ 226.903220][ T6384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.905308][ T6384] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.039079][ T6386] loop1: detected capacity change from 0 to 32768 [ 227.105242][ T6386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.106413][ T6386] CPU: 1 PID: 6386 Comm: syz.1.690 Not tainted syzkaller #0 [ 227.107499][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.108973][ T6386] Call trace: [ 227.109457][ T6386] dump_backtrace+0x0/0x43c [ 227.110117][ T6386] show_stack+0x2c/0x3c [ 227.110797][ T6386] __dump_stack+0x30/0x40 [ 227.111495][ T6386] dump_stack_lvl+0xf8/0x160 [ 227.112218][ T6386] dump_stack+0x1c/0x5c [ 227.112952][ T6386] sysfs_create_dir_ns+0x22c/0x24c [ 227.113782][ T6386] kobject_add_internal+0x590/0xc54 [ 227.114597][ T6386] kobject_init_and_add+0x118/0x17c [ 227.115445][ T6386] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.116268][ T6386] gfs2_fill_super+0xdac/0x19e0 [ 227.117123][ T6386] get_tree_bdev+0x358/0x544 [ 227.117860][ T6386] gfs2_get_tree+0x54/0x1b4 [ 227.118548][ T6386] vfs_get_tree+0x90/0x274 [ 227.119177][ T6386] do_new_mount+0x228/0x810 [ 227.119837][ T6386] path_mount+0x5b4/0x1000 [ 227.120519][ T6386] __arm64_sys_mount+0x514/0x5e4 [ 227.121293][ T6386] invoke_syscall+0x98/0x2b8 [ 227.122037][ T6386] el0_svc_common+0x138/0x258 [ 227.122724][ T6386] do_el0_svc+0x58/0x14c [ 227.123411][ T6386] el0_svc+0x78/0x1e0 [ 227.123996][ T6386] el0t_64_sync_handler+0xcc/0xe4 [ 227.124751][ T6386] el0t_64_sync+0x1a0/0x1a4 [ 227.127165][ T6386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.129194][ T6386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.261899][ T6388] loop1: detected capacity change from 0 to 32768 [ 227.268953][ T6388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.270075][ T6388] CPU: 0 PID: 6388 Comm: syz.1.691 Not tainted syzkaller #0 [ 227.271090][ T6388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.272540][ T6388] Call trace: [ 227.272992][ T6388] dump_backtrace+0x0/0x43c [ 227.273601][ T6388] show_stack+0x2c/0x3c [ 227.274201][ T6388] __dump_stack+0x30/0x40 [ 227.274838][ T6388] dump_stack_lvl+0xf8/0x160 [ 227.275570][ T6388] dump_stack+0x1c/0x5c [ 227.276197][ T6388] sysfs_create_dir_ns+0x22c/0x24c [ 227.276929][ T6388] kobject_add_internal+0x590/0xc54 [ 227.277702][ T6388] kobject_init_and_add+0x118/0x17c [ 227.278446][ T6388] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.279189][ T6388] gfs2_fill_super+0xdac/0x19e0 [ 227.279845][ T6388] get_tree_bdev+0x358/0x544 [ 227.280499][ T6388] gfs2_get_tree+0x54/0x1b4 [ 227.281122][ T6388] vfs_get_tree+0x90/0x274 [ 227.281765][ T6388] do_new_mount+0x228/0x810 [ 227.282414][ T6388] path_mount+0x5b4/0x1000 [ 227.283117][ T6388] __arm64_sys_mount+0x514/0x5e4 [ 227.283831][ T6388] invoke_syscall+0x98/0x2b8 [ 227.284542][ T6388] el0_svc_common+0x138/0x258 [ 227.285229][ T6388] do_el0_svc+0x58/0x14c [ 227.285828][ T6388] el0_svc+0x78/0x1e0 [ 227.286404][ T6388] el0t_64_sync_handler+0xcc/0xe4 [ 227.287120][ T6388] el0t_64_sync+0x1a0/0x1a4 [ 227.287878][ T6388] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.289827][ T6388] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.419717][ T6390] loop1: detected capacity change from 0 to 32768 [ 227.427004][ T6390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.428301][ T6390] CPU: 1 PID: 6390 Comm: syz.1.692 Not tainted syzkaller #0 [ 227.429416][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.430873][ T6390] Call trace: [ 227.431344][ T6390] dump_backtrace+0x0/0x43c [ 227.432007][ T6390] show_stack+0x2c/0x3c [ 227.432675][ T6390] __dump_stack+0x30/0x40 [ 227.433410][ T6390] dump_stack_lvl+0xf8/0x160 [ 227.434207][ T6390] dump_stack+0x1c/0x5c [ 227.434845][ T6390] sysfs_create_dir_ns+0x22c/0x24c [ 227.435595][ T6390] kobject_add_internal+0x590/0xc54 [ 227.436402][ T6390] kobject_init_and_add+0x118/0x17c [ 227.437247][ T6390] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.438002][ T6390] gfs2_fill_super+0xdac/0x19e0 [ 227.438818][ T6390] get_tree_bdev+0x358/0x544 [ 227.439581][ T6390] gfs2_get_tree+0x54/0x1b4 [ 227.440317][ T6390] vfs_get_tree+0x90/0x274 [ 227.440998][ T6390] do_new_mount+0x228/0x810 [ 227.441736][ T6390] path_mount+0x5b4/0x1000 [ 227.442466][ T6390] __arm64_sys_mount+0x514/0x5e4 [ 227.443236][ T6390] invoke_syscall+0x98/0x2b8 [ 227.443952][ T6390] el0_svc_common+0x138/0x258 [ 227.444698][ T6390] do_el0_svc+0x58/0x14c [ 227.445350][ T6390] el0_svc+0x78/0x1e0 [ 227.445992][ T6390] el0t_64_sync_handler+0xcc/0xe4 [ 227.446780][ T6390] el0t_64_sync+0x1a0/0x1a4 [ 227.448848][ T6390] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.450773][ T6390] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.578566][ T6392] loop1: detected capacity change from 0 to 32768 [ 227.628127][ T6392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.629300][ T6392] CPU: 1 PID: 6392 Comm: syz.1.693 Not tainted syzkaller #0 [ 227.630377][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.631927][ T6392] Call trace: [ 227.632466][ T6392] dump_backtrace+0x0/0x43c [ 227.633193][ T6392] show_stack+0x2c/0x3c [ 227.633872][ T6392] __dump_stack+0x30/0x40 [ 227.634551][ T6392] dump_stack_lvl+0xf8/0x160 [ 227.635255][ T6392] dump_stack+0x1c/0x5c [ 227.635909][ T6392] sysfs_create_dir_ns+0x22c/0x24c [ 227.636757][ T6392] kobject_add_internal+0x590/0xc54 [ 227.637544][ T6392] kobject_init_and_add+0x118/0x17c [ 227.638389][ T6392] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.639159][ T6392] gfs2_fill_super+0xdac/0x19e0 [ 227.639989][ T6392] get_tree_bdev+0x358/0x544 [ 227.640688][ T6392] gfs2_get_tree+0x54/0x1b4 [ 227.641341][ T6392] vfs_get_tree+0x90/0x274 [ 227.641964][ T6392] do_new_mount+0x228/0x810 [ 227.642653][ T6392] path_mount+0x5b4/0x1000 [ 227.643301][ T6392] __arm64_sys_mount+0x514/0x5e4 [ 227.644054][ T6392] invoke_syscall+0x98/0x2b8 [ 227.644796][ T6392] el0_svc_common+0x138/0x258 [ 227.645607][ T6392] do_el0_svc+0x58/0x14c [ 227.646303][ T6392] el0_svc+0x78/0x1e0 [ 227.646970][ T6392] el0t_64_sync_handler+0xcc/0xe4 [ 227.647845][ T6392] el0t_64_sync+0x1a0/0x1a4 [ 227.650109][ T6392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.652304][ T6392] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:47 executed programs: 680 [ 227.783591][ T6394] loop1: detected capacity change from 0 to 32768 [ 227.791223][ T6394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.792350][ T6394] CPU: 0 PID: 6394 Comm: syz.1.694 Not tainted syzkaller #0 [ 227.793343][ T6394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.794973][ T6394] Call trace: [ 227.795504][ T6394] dump_backtrace+0x0/0x43c [ 227.796149][ T6394] show_stack+0x2c/0x3c [ 227.796800][ T6394] __dump_stack+0x30/0x40 [ 227.797483][ T6394] dump_stack_lvl+0xf8/0x160 [ 227.798128][ T6394] dump_stack+0x1c/0x5c [ 227.798791][ T6394] sysfs_create_dir_ns+0x22c/0x24c [ 227.799547][ T6394] kobject_add_internal+0x590/0xc54 [ 227.800323][ T6394] kobject_init_and_add+0x118/0x17c [ 227.801064][ T6394] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.801689][ T6394] gfs2_fill_super+0xdac/0x19e0 [ 227.802438][ T6394] get_tree_bdev+0x358/0x544 [ 227.803126][ T6394] gfs2_get_tree+0x54/0x1b4 [ 227.803803][ T6394] vfs_get_tree+0x90/0x274 [ 227.804412][ T6394] do_new_mount+0x228/0x810 [ 227.805070][ T6394] path_mount+0x5b4/0x1000 [ 227.805758][ T6394] __arm64_sys_mount+0x514/0x5e4 [ 227.806548][ T6394] invoke_syscall+0x98/0x2b8 [ 227.807341][ T6394] el0_svc_common+0x138/0x258 [ 227.808071][ T6394] do_el0_svc+0x58/0x14c [ 227.808706][ T6394] el0_svc+0x78/0x1e0 [ 227.809324][ T6394] el0t_64_sync_handler+0xcc/0xe4 [ 227.810106][ T6394] el0t_64_sync+0x1a0/0x1a4 [ 227.811280][ T6394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.813208][ T6394] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.942648][ T6396] loop1: detected capacity change from 0 to 32768 [ 228.006576][ T6396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.007985][ T6396] CPU: 0 PID: 6396 Comm: syz.1.695 Not tainted syzkaller #0 [ 228.009039][ T6396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.010412][ T6396] Call trace: [ 228.010851][ T6396] dump_backtrace+0x0/0x43c [ 228.011500][ T6396] show_stack+0x2c/0x3c [ 228.012129][ T6396] __dump_stack+0x30/0x40 [ 228.012780][ T6396] dump_stack_lvl+0xf8/0x160 [ 228.013446][ T6396] dump_stack+0x1c/0x5c [ 228.014058][ T6396] sysfs_create_dir_ns+0x22c/0x24c [ 228.014884][ T6396] kobject_add_internal+0x590/0xc54 [ 228.015671][ T6396] kobject_init_and_add+0x118/0x17c [ 228.016492][ T6396] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.017192][ T6396] gfs2_fill_super+0xdac/0x19e0 [ 228.017926][ T6396] get_tree_bdev+0x358/0x544 [ 228.018710][ T6396] gfs2_get_tree+0x54/0x1b4 [ 228.019396][ T6396] vfs_get_tree+0x90/0x274 [ 228.020084][ T6396] do_new_mount+0x228/0x810 [ 228.020732][ T6396] path_mount+0x5b4/0x1000 [ 228.021360][ T6396] __arm64_sys_mount+0x514/0x5e4 [ 228.022132][ T6396] invoke_syscall+0x98/0x2b8 [ 228.022856][ T6396] el0_svc_common+0x138/0x258 [ 228.023624][ T6396] do_el0_svc+0x58/0x14c [ 228.024262][ T6396] el0_svc+0x78/0x1e0 [ 228.024926][ T6396] el0t_64_sync_handler+0xcc/0xe4 [ 228.025723][ T6396] el0t_64_sync+0x1a0/0x1a4 [ 228.028174][ T6396] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.030044][ T6396] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.155702][ T6398] loop1: detected capacity change from 0 to 32768 [ 228.253131][ T6398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.256090][ T6398] CPU: 0 PID: 6398 Comm: syz.1.696 Not tainted syzkaller #0 [ 228.257285][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.258571][ T6398] Call trace: [ 228.259019][ T6398] dump_backtrace+0x0/0x43c [ 228.259693][ T6398] show_stack+0x2c/0x3c [ 228.260261][ T6398] __dump_stack+0x30/0x40 [ 228.260904][ T6398] dump_stack_lvl+0xf8/0x160 [ 228.261529][ T6398] dump_stack+0x1c/0x5c [ 228.262122][ T6398] sysfs_create_dir_ns+0x22c/0x24c [ 228.262829][ T6398] kobject_add_internal+0x590/0xc54 [ 228.263556][ T6398] kobject_init_and_add+0x118/0x17c [ 228.264287][ T6398] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.264942][ T6398] gfs2_fill_super+0xdac/0x19e0 [ 228.265632][ T6398] get_tree_bdev+0x358/0x544 [ 228.266315][ T6398] gfs2_get_tree+0x54/0x1b4 [ 228.266976][ T6398] vfs_get_tree+0x90/0x274 [ 228.267732][ T6398] do_new_mount+0x228/0x810 [ 228.268417][ T6398] path_mount+0x5b4/0x1000 [ 228.269082][ T6398] __arm64_sys_mount+0x514/0x5e4 [ 228.269877][ T6398] invoke_syscall+0x98/0x2b8 [ 228.270571][ T6398] el0_svc_common+0x138/0x258 [ 228.271288][ T6398] do_el0_svc+0x58/0x14c [ 228.271931][ T6398] el0_svc+0x78/0x1e0 [ 228.272545][ T6398] el0t_64_sync_handler+0xcc/0xe4 [ 228.273344][ T6398] el0t_64_sync+0x1a0/0x1a4 [ 228.274753][ T6398] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.276764][ T6398] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.404387][ T6400] loop1: detected capacity change from 0 to 32768 [ 228.455105][ T6400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.456247][ T6400] CPU: 0 PID: 6400 Comm: syz.1.697 Not tainted syzkaller #0 [ 228.457252][ T6400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.458577][ T6400] Call trace: [ 228.459062][ T6400] dump_backtrace+0x0/0x43c [ 228.459763][ T6400] show_stack+0x2c/0x3c [ 228.460283][ T6400] __dump_stack+0x30/0x40 [ 228.460888][ T6400] dump_stack_lvl+0xf8/0x160 [ 228.461498][ T6400] dump_stack+0x1c/0x5c [ 228.462062][ T6400] sysfs_create_dir_ns+0x22c/0x24c [ 228.462815][ T6400] kobject_add_internal+0x590/0xc54 [ 228.463576][ T6400] kobject_init_and_add+0x118/0x17c [ 228.464300][ T6400] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.464981][ T6400] gfs2_fill_super+0xdac/0x19e0 [ 228.465666][ T6400] get_tree_bdev+0x358/0x544 [ 228.466329][ T6400] gfs2_get_tree+0x54/0x1b4 [ 228.466973][ T6400] vfs_get_tree+0x90/0x274 [ 228.467682][ T6400] do_new_mount+0x228/0x810 [ 228.468382][ T6400] path_mount+0x5b4/0x1000 [ 228.469058][ T6400] __arm64_sys_mount+0x514/0x5e4 [ 228.469790][ T6400] invoke_syscall+0x98/0x2b8 [ 228.470515][ T6400] el0_svc_common+0x138/0x258 [ 228.471169][ T6400] do_el0_svc+0x58/0x14c [ 228.471779][ T6400] el0_svc+0x78/0x1e0 [ 228.472381][ T6400] el0t_64_sync_handler+0xcc/0xe4 [ 228.473156][ T6400] el0t_64_sync+0x1a0/0x1a4 [ 228.474247][ T6400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.476079][ T6400] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.605092][ T6402] loop1: detected capacity change from 0 to 32768 [ 228.612114][ T6402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.613353][ T6402] CPU: 1 PID: 6402 Comm: syz.1.698 Not tainted syzkaller #0 [ 228.614498][ T6402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.616075][ T6402] Call trace: [ 228.616571][ T6402] dump_backtrace+0x0/0x43c [ 228.617287][ T6402] show_stack+0x2c/0x3c [ 228.617975][ T6402] __dump_stack+0x30/0x40 [ 228.618727][ T6402] dump_stack_lvl+0xf8/0x160 [ 228.619490][ T6402] dump_stack+0x1c/0x5c [ 228.620175][ T6402] sysfs_create_dir_ns+0x22c/0x24c [ 228.620958][ T6402] kobject_add_internal+0x590/0xc54 [ 228.621802][ T6402] kobject_init_and_add+0x118/0x17c [ 228.622644][ T6402] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.623437][ T6402] gfs2_fill_super+0xdac/0x19e0 [ 228.624246][ T6402] get_tree_bdev+0x358/0x544 [ 228.624975][ T6402] gfs2_get_tree+0x54/0x1b4 [ 228.625716][ T6402] vfs_get_tree+0x90/0x274 [ 228.626449][ T6402] do_new_mount+0x228/0x810 [ 228.627183][ T6402] path_mount+0x5b4/0x1000 [ 228.627927][ T6402] __arm64_sys_mount+0x514/0x5e4 [ 228.628776][ T6402] invoke_syscall+0x98/0x2b8 [ 228.629526][ T6402] el0_svc_common+0x138/0x258 [ 228.630275][ T6402] do_el0_svc+0x58/0x14c [ 228.630936][ T6402] el0_svc+0x78/0x1e0 [ 228.631592][ T6402] el0t_64_sync_handler+0xcc/0xe4 [ 228.632355][ T6402] el0t_64_sync+0x1a0/0x1a4 [ 228.634410][ T6402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.636451][ T6402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.761298][ T6404] loop1: detected capacity change from 0 to 32768 [ 228.852244][ T6404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.853489][ T6404] CPU: 1 PID: 6404 Comm: syz.1.699 Not tainted syzkaller #0 [ 228.854625][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.856112][ T6404] Call trace: [ 228.856678][ T6404] dump_backtrace+0x0/0x43c [ 228.857447][ T6404] show_stack+0x2c/0x3c [ 228.858141][ T6404] __dump_stack+0x30/0x40 [ 228.858897][ T6404] dump_stack_lvl+0xf8/0x160 [ 228.859584][ T6404] dump_stack+0x1c/0x5c [ 228.860159][ T6404] sysfs_create_dir_ns+0x22c/0x24c [ 228.860891][ T6404] kobject_add_internal+0x590/0xc54 [ 228.861804][ T6404] kobject_init_and_add+0x118/0x17c [ 228.862721][ T6404] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.863533][ T6404] gfs2_fill_super+0xdac/0x19e0 [ 228.864300][ T6404] get_tree_bdev+0x358/0x544 [ 228.865094][ T6404] gfs2_get_tree+0x54/0x1b4 [ 228.865827][ T6404] vfs_get_tree+0x90/0x274 [ 228.866553][ T6404] do_new_mount+0x228/0x810 [ 228.867317][ T6404] path_mount+0x5b4/0x1000 [ 228.868052][ T6404] __arm64_sys_mount+0x514/0x5e4 [ 228.868861][ T6404] invoke_syscall+0x98/0x2b8 [ 228.869571][ T6404] el0_svc_common+0x138/0x258 [ 228.870388][ T6404] do_el0_svc+0x58/0x14c [ 228.871094][ T6404] el0_svc+0x78/0x1e0 [ 228.871726][ T6404] el0t_64_sync_handler+0xcc/0xe4 [ 228.872581][ T6404] el0t_64_sync+0x1a0/0x1a4 [ 228.874757][ T6404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.876873][ T6404] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.004489][ T6406] loop1: detected capacity change from 0 to 32768 [ 229.055195][ T6406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.056444][ T6406] CPU: 0 PID: 6406 Comm: syz.1.700 Not tainted syzkaller #0 [ 229.057560][ T6406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.058935][ T6406] Call trace: [ 229.059383][ T6406] dump_backtrace+0x0/0x43c [ 229.060032][ T6406] show_stack+0x2c/0x3c [ 229.060602][ T6406] __dump_stack+0x30/0x40 [ 229.061223][ T6406] dump_stack_lvl+0xf8/0x160 [ 229.061842][ T6406] dump_stack+0x1c/0x5c [ 229.062402][ T6406] sysfs_create_dir_ns+0x22c/0x24c [ 229.063136][ T6406] kobject_add_internal+0x590/0xc54 [ 229.063865][ T6406] kobject_init_and_add+0x118/0x17c [ 229.064628][ T6406] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.065352][ T6406] gfs2_fill_super+0xdac/0x19e0 [ 229.066071][ T6406] get_tree_bdev+0x358/0x544 [ 229.066794][ T6406] gfs2_get_tree+0x54/0x1b4 [ 229.067455][ T6406] vfs_get_tree+0x90/0x274 [ 229.068089][ T6406] do_new_mount+0x228/0x810 [ 229.068734][ T6406] path_mount+0x5b4/0x1000 [ 229.069428][ T6406] __arm64_sys_mount+0x514/0x5e4 [ 229.070225][ T6406] invoke_syscall+0x98/0x2b8 [ 229.070947][ T6406] el0_svc_common+0x138/0x258 [ 229.071676][ T6406] do_el0_svc+0x58/0x14c [ 229.072376][ T6406] el0_svc+0x78/0x1e0 [ 229.072983][ T6406] el0t_64_sync_handler+0xcc/0xe4 [ 229.073662][ T6406] el0t_64_sync+0x1a0/0x1a4 [ 229.075706][ T6406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.077557][ T6406] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.211857][ T6408] loop1: detected capacity change from 0 to 32768 [ 229.246879][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.248234][ T6408] CPU: 1 PID: 6408 Comm: syz.1.701 Not tainted syzkaller #0 [ 229.249307][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.250815][ T6408] Call trace: [ 229.251316][ T6408] dump_backtrace+0x0/0x43c [ 229.252137][ T6408] show_stack+0x2c/0x3c [ 229.252775][ T6408] __dump_stack+0x30/0x40 [ 229.253438][ T6408] dump_stack_lvl+0xf8/0x160 [ 229.254159][ T6408] dump_stack+0x1c/0x5c [ 229.254818][ T6408] sysfs_create_dir_ns+0x22c/0x24c [ 229.255655][ T6408] kobject_add_internal+0x590/0xc54 [ 229.256525][ T6408] kobject_init_and_add+0x118/0x17c [ 229.257500][ T6408] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.258234][ T6408] gfs2_fill_super+0xdac/0x19e0 [ 229.259049][ T6408] get_tree_bdev+0x358/0x544 [ 229.259807][ T6408] gfs2_get_tree+0x54/0x1b4 [ 229.260521][ T6408] vfs_get_tree+0x90/0x274 [ 229.261241][ T6408] do_new_mount+0x228/0x810 [ 229.261999][ T6408] path_mount+0x5b4/0x1000 [ 229.262691][ T6408] __arm64_sys_mount+0x514/0x5e4 [ 229.263544][ T6408] invoke_syscall+0x98/0x2b8 [ 229.264288][ T6408] el0_svc_common+0x138/0x258 [ 229.265030][ T6408] do_el0_svc+0x58/0x14c [ 229.265682][ T6408] el0_svc+0x78/0x1e0 [ 229.266276][ T6408] el0t_64_sync_handler+0xcc/0xe4 [ 229.267083][ T6408] el0t_64_sync+0x1a0/0x1a4 [ 229.269538][ T6408] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.271463][ T6408] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.401344][ T6410] loop1: detected capacity change from 0 to 32768 [ 229.408761][ T6410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.410028][ T6410] CPU: 1 PID: 6410 Comm: syz.1.702 Not tainted syzkaller #0 [ 229.411134][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.412637][ T6410] Call trace: [ 229.413160][ T6410] dump_backtrace+0x0/0x43c [ 229.413831][ T6410] show_stack+0x2c/0x3c [ 229.414553][ T6410] __dump_stack+0x30/0x40 [ 229.415229][ T6410] dump_stack_lvl+0xf8/0x160 [ 229.415938][ T6410] dump_stack+0x1c/0x5c [ 229.416608][ T6410] sysfs_create_dir_ns+0x22c/0x24c [ 229.417411][ T6410] kobject_add_internal+0x590/0xc54 [ 229.418217][ T6410] kobject_init_and_add+0x118/0x17c [ 229.419065][ T6410] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.419822][ T6410] gfs2_fill_super+0xdac/0x19e0 [ 229.420603][ T6410] get_tree_bdev+0x358/0x544 [ 229.421329][ T6410] gfs2_get_tree+0x54/0x1b4 [ 229.422026][ T6410] vfs_get_tree+0x90/0x274 [ 229.422697][ T6410] do_new_mount+0x228/0x810 [ 229.423408][ T6410] path_mount+0x5b4/0x1000 [ 229.424045][ T6410] __arm64_sys_mount+0x514/0x5e4 [ 229.424764][ T6410] invoke_syscall+0x98/0x2b8 [ 229.425429][ T6410] el0_svc_common+0x138/0x258 [ 229.426161][ T6410] do_el0_svc+0x58/0x14c [ 229.426864][ T6410] el0_svc+0x78/0x1e0 [ 229.427530][ T6410] el0t_64_sync_handler+0xcc/0xe4 [ 229.428386][ T6410] el0t_64_sync+0x1a0/0x1a4 [ 229.430554][ T6410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.432500][ T6410] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.558690][ T6412] loop1: detected capacity change from 0 to 32768 [ 229.596575][ T6412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.598092][ T6412] CPU: 1 PID: 6412 Comm: syz.1.703 Not tainted syzkaller #0 [ 229.599208][ T6412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.600621][ T6412] Call trace: [ 229.601121][ T6412] dump_backtrace+0x0/0x43c [ 229.601823][ T6412] show_stack+0x2c/0x3c [ 229.602437][ T6412] __dump_stack+0x30/0x40 [ 229.603118][ T6412] dump_stack_lvl+0xf8/0x160 [ 229.603867][ T6412] dump_stack+0x1c/0x5c [ 229.604482][ T6412] sysfs_create_dir_ns+0x22c/0x24c [ 229.605323][ T6412] kobject_add_internal+0x590/0xc54 [ 229.606188][ T6412] kobject_init_and_add+0x118/0x17c [ 229.607048][ T6412] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.607851][ T6412] gfs2_fill_super+0xdac/0x19e0 [ 229.608612][ T6412] get_tree_bdev+0x358/0x544 [ 229.609292][ T6412] gfs2_get_tree+0x54/0x1b4 [ 229.609945][ T6412] vfs_get_tree+0x90/0x274 [ 229.610611][ T6412] do_new_mount+0x228/0x810 [ 229.611307][ T6412] path_mount+0x5b4/0x1000 [ 229.612003][ T6412] __arm64_sys_mount+0x514/0x5e4 [ 229.612825][ T6412] invoke_syscall+0x98/0x2b8 [ 229.613546][ T6412] el0_svc_common+0x138/0x258 [ 229.614275][ T6412] do_el0_svc+0x58/0x14c [ 229.614927][ T6412] el0_svc+0x78/0x1e0 [ 229.615576][ T6412] el0t_64_sync_handler+0xcc/0xe4 [ 229.616312][ T6412] el0t_64_sync+0x1a0/0x1a4 [ 229.618761][ T6412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.621048][ T6412] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.751715][ T6414] loop1: detected capacity change from 0 to 32768 [ 229.757448][ T6414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.758929][ T6414] CPU: 1 PID: 6414 Comm: syz.1.704 Not tainted syzkaller #0 [ 229.760129][ T6414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.761830][ T6414] Call trace: [ 229.762350][ T6414] dump_backtrace+0x0/0x43c [ 229.763053][ T6414] show_stack+0x2c/0x3c [ 229.763705][ T6414] __dump_stack+0x30/0x40 [ 229.764383][ T6414] dump_stack_lvl+0xf8/0x160 [ 229.765107][ T6414] dump_stack+0x1c/0x5c [ 229.765815][ T6414] sysfs_create_dir_ns+0x22c/0x24c [ 229.766556][ T6414] kobject_add_internal+0x590/0xc54 [ 229.767347][ T6414] kobject_init_and_add+0x118/0x17c [ 229.768184][ T6414] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.768920][ T6414] gfs2_fill_super+0xdac/0x19e0 [ 229.769661][ T6414] get_tree_bdev+0x358/0x544 [ 229.770357][ T6414] gfs2_get_tree+0x54/0x1b4 [ 229.771099][ T6414] vfs_get_tree+0x90/0x274 [ 229.771772][ T6414] do_new_mount+0x228/0x810 [ 229.772543][ T6414] path_mount+0x5b4/0x1000 [ 229.773297][ T6414] __arm64_sys_mount+0x514/0x5e4 [ 229.774105][ T6414] invoke_syscall+0x98/0x2b8 [ 229.774889][ T6414] el0_svc_common+0x138/0x258 [ 229.775613][ T6414] do_el0_svc+0x58/0x14c [ 229.776308][ T6414] el0_svc+0x78/0x1e0 [ 229.777023][ T6414] el0t_64_sync_handler+0xcc/0xe4 [ 229.777914][ T6414] el0t_64_sync+0x1a0/0x1a4 [ 229.780235][ T6414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.782244][ T6414] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.913008][ T6416] loop1: detected capacity change from 0 to 32768 [ 229.965233][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.967254][ T6416] CPU: 1 PID: 6416 Comm: syz.1.705 Not tainted syzkaller #0 [ 229.968325][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.969814][ T6416] Call trace: [ 229.970293][ T6416] dump_backtrace+0x0/0x43c [ 229.970962][ T6416] show_stack+0x2c/0x3c [ 229.971609][ T6416] __dump_stack+0x30/0x40 [ 229.972245][ T6416] dump_stack_lvl+0xf8/0x160 [ 229.972902][ T6416] dump_stack+0x1c/0x5c [ 229.973598][ T6416] sysfs_create_dir_ns+0x22c/0x24c [ 229.974389][ T6416] kobject_add_internal+0x590/0xc54 [ 229.975128][ T6416] kobject_init_and_add+0x118/0x17c [ 229.975887][ T6416] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.976607][ T6416] gfs2_fill_super+0xdac/0x19e0 [ 229.977290][ T6416] get_tree_bdev+0x358/0x544 [ 229.978058][ T6416] gfs2_get_tree+0x54/0x1b4 [ 229.978832][ T6416] vfs_get_tree+0x90/0x274 [ 229.979530][ T6416] do_new_mount+0x228/0x810 [ 229.980233][ T6416] path_mount+0x5b4/0x1000 [ 229.981016][ T6416] __arm64_sys_mount+0x514/0x5e4 [ 229.981818][ T6416] invoke_syscall+0x98/0x2b8 [ 229.982558][ T6416] el0_svc_common+0x138/0x258 [ 229.983333][ T6416] do_el0_svc+0x58/0x14c [ 229.983969][ T6416] el0_svc+0x78/0x1e0 [ 229.984570][ T6416] el0t_64_sync_handler+0xcc/0xe4 [ 229.985401][ T6416] el0t_64_sync+0x1a0/0x1a4 [ 229.987706][ T6416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.989729][ T6416] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.118548][ T6418] loop1: detected capacity change from 0 to 32768 [ 230.126044][ T6418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.127259][ T6418] CPU: 1 PID: 6418 Comm: syz.1.706 Not tainted syzkaller #0 [ 230.128489][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.130110][ T6418] Call trace: [ 230.130630][ T6418] dump_backtrace+0x0/0x43c [ 230.131377][ T6418] show_stack+0x2c/0x3c [ 230.132066][ T6418] __dump_stack+0x30/0x40 [ 230.132828][ T6418] dump_stack_lvl+0xf8/0x160 [ 230.133605][ T6418] dump_stack+0x1c/0x5c [ 230.134276][ T6418] sysfs_create_dir_ns+0x22c/0x24c [ 230.135136][ T6418] kobject_add_internal+0x590/0xc54 [ 230.136019][ T6418] kobject_init_and_add+0x118/0x17c [ 230.136894][ T6418] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.137679][ T6418] gfs2_fill_super+0xdac/0x19e0 [ 230.138408][ T6418] get_tree_bdev+0x358/0x544 [ 230.139153][ T6418] gfs2_get_tree+0x54/0x1b4 [ 230.139898][ T6418] vfs_get_tree+0x90/0x274 [ 230.140659][ T6418] do_new_mount+0x228/0x810 [ 230.141374][ T6418] path_mount+0x5b4/0x1000 [ 230.142123][ T6418] __arm64_sys_mount+0x514/0x5e4 [ 230.142872][ T6418] invoke_syscall+0x98/0x2b8 [ 230.143573][ T6418] el0_svc_common+0x138/0x258 [ 230.144307][ T6418] do_el0_svc+0x58/0x14c [ 230.144956][ T6418] el0_svc+0x78/0x1e0 [ 230.145543][ T6418] el0t_64_sync_handler+0xcc/0xe4 [ 230.146346][ T6418] el0t_64_sync+0x1a0/0x1a4 [ 230.148554][ T6418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.150616][ T6418] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.277906][ T6420] loop1: detected capacity change from 0 to 32768 [ 230.358542][ T6420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.359785][ T6420] CPU: 0 PID: 6420 Comm: syz.1.707 Not tainted syzkaller #0 [ 230.360862][ T6420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.362194][ T6420] Call trace: [ 230.362658][ T6420] dump_backtrace+0x0/0x43c [ 230.363336][ T6420] show_stack+0x2c/0x3c [ 230.363926][ T6420] __dump_stack+0x30/0x40 [ 230.364571][ T6420] dump_stack_lvl+0xf8/0x160 [ 230.365297][ T6420] dump_stack+0x1c/0x5c [ 230.365995][ T6420] sysfs_create_dir_ns+0x22c/0x24c [ 230.366852][ T6420] kobject_add_internal+0x590/0xc54 [ 230.367691][ T6420] kobject_init_and_add+0x118/0x17c [ 230.368451][ T6420] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.369214][ T6420] gfs2_fill_super+0xdac/0x19e0 [ 230.369959][ T6420] get_tree_bdev+0x358/0x544 [ 230.370640][ T6420] gfs2_get_tree+0x54/0x1b4 [ 230.371352][ T6420] vfs_get_tree+0x90/0x274 [ 230.372060][ T6420] do_new_mount+0x228/0x810 [ 230.372790][ T6420] path_mount+0x5b4/0x1000 [ 230.373492][ T6420] __arm64_sys_mount+0x514/0x5e4 [ 230.374224][ T6420] invoke_syscall+0x98/0x2b8 [ 230.374957][ T6420] el0_svc_common+0x138/0x258 [ 230.375627][ T6420] do_el0_svc+0x58/0x14c [ 230.376288][ T6420] el0_svc+0x78/0x1e0 [ 230.376909][ T6420] el0t_64_sync_handler+0xcc/0xe4 [ 230.377707][ T6420] el0t_64_sync+0x1a0/0x1a4 [ 230.379103][ T6420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.381042][ T6420] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.507625][ T6422] loop1: detected capacity change from 0 to 32768 [ 230.515111][ T6422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.516401][ T6422] CPU: 1 PID: 6422 Comm: syz.1.708 Not tainted syzkaller #0 [ 230.517565][ T6422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.519282][ T6422] Call trace: [ 230.519812][ T6422] dump_backtrace+0x0/0x43c [ 230.520553][ T6422] show_stack+0x2c/0x3c [ 230.521267][ T6422] __dump_stack+0x30/0x40 [ 230.522017][ T6422] dump_stack_lvl+0xf8/0x160 [ 230.522780][ T6422] dump_stack+0x1c/0x5c [ 230.523460][ T6422] sysfs_create_dir_ns+0x22c/0x24c [ 230.524339][ T6422] kobject_add_internal+0x590/0xc54 [ 230.525270][ T6422] kobject_init_and_add+0x118/0x17c [ 230.526106][ T6422] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.526818][ T6422] gfs2_fill_super+0xdac/0x19e0 [ 230.527591][ T6422] get_tree_bdev+0x358/0x544 [ 230.528299][ T6422] gfs2_get_tree+0x54/0x1b4 [ 230.528932][ T6422] vfs_get_tree+0x90/0x274 [ 230.529579][ T6422] do_new_mount+0x228/0x810 [ 230.530268][ T6422] path_mount+0x5b4/0x1000 [ 230.531072][ T6422] __arm64_sys_mount+0x514/0x5e4 [ 230.531868][ T6422] invoke_syscall+0x98/0x2b8 [ 230.532584][ T6422] el0_svc_common+0x138/0x258 [ 230.533314][ T6422] do_el0_svc+0x58/0x14c [ 230.533998][ T6422] el0_svc+0x78/0x1e0 [ 230.534639][ T6422] el0t_64_sync_handler+0xcc/0xe4 [ 230.535445][ T6422] el0t_64_sync+0x1a0/0x1a4 [ 230.536554][ T6422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.538575][ T6422] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.667859][ T6424] loop1: detected capacity change from 0 to 32768 [ 230.709250][ T6424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.710453][ T6424] CPU: 0 PID: 6424 Comm: syz.1.709 Not tainted syzkaller #0 [ 230.711595][ T6424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.712906][ T6424] Call trace: [ 230.713339][ T6424] dump_backtrace+0x0/0x43c [ 230.713939][ T6424] show_stack+0x2c/0x3c [ 230.714530][ T6424] __dump_stack+0x30/0x40 [ 230.715190][ T6424] dump_stack_lvl+0xf8/0x160 [ 230.715925][ T6424] dump_stack+0x1c/0x5c [ 230.716603][ T6424] sysfs_create_dir_ns+0x22c/0x24c [ 230.717427][ T6424] kobject_add_internal+0x590/0xc54 [ 230.718232][ T6424] kobject_init_and_add+0x118/0x17c [ 230.719047][ T6424] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.719806][ T6424] gfs2_fill_super+0xdac/0x19e0 [ 230.720624][ T6424] get_tree_bdev+0x358/0x544 [ 230.721384][ T6424] gfs2_get_tree+0x54/0x1b4 [ 230.722106][ T6424] vfs_get_tree+0x90/0x274 [ 230.722735][ T6424] do_new_mount+0x228/0x810 [ 230.723448][ T6424] path_mount+0x5b4/0x1000 [ 230.724050][ T6424] __arm64_sys_mount+0x514/0x5e4 [ 230.724845][ T6424] invoke_syscall+0x98/0x2b8 [ 230.725504][ T6424] el0_svc_common+0x138/0x258 [ 230.726156][ T6424] do_el0_svc+0x58/0x14c [ 230.726758][ T6424] el0_svc+0x78/0x1e0 [ 230.727326][ T6424] el0t_64_sync_handler+0xcc/0xe4 [ 230.728033][ T6424] el0t_64_sync+0x1a0/0x1a4 [ 230.728847][ T6424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.730596][ T6424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.860251][ T6426] loop1: detected capacity change from 0 to 32768 [ 230.867621][ T6426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.868944][ T6426] CPU: 1 PID: 6426 Comm: syz.1.710 Not tainted syzkaller #0 [ 230.870042][ T6426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.871523][ T6426] Call trace: [ 230.872010][ T6426] dump_backtrace+0x0/0x43c [ 230.872733][ T6426] show_stack+0x2c/0x3c [ 230.873409][ T6426] __dump_stack+0x30/0x40 [ 230.874080][ T6426] dump_stack_lvl+0xf8/0x160 [ 230.874856][ T6426] dump_stack+0x1c/0x5c [ 230.875481][ T6426] sysfs_create_dir_ns+0x22c/0x24c [ 230.876319][ T6426] kobject_add_internal+0x590/0xc54 [ 230.877175][ T6426] kobject_init_and_add+0x118/0x17c [ 230.877983][ T6426] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.878775][ T6426] gfs2_fill_super+0xdac/0x19e0 [ 230.879533][ T6426] get_tree_bdev+0x358/0x544 [ 230.880256][ T6426] gfs2_get_tree+0x54/0x1b4 [ 230.881001][ T6426] vfs_get_tree+0x90/0x274 [ 230.881785][ T6426] do_new_mount+0x228/0x810 [ 230.882514][ T6426] path_mount+0x5b4/0x1000 [ 230.883265][ T6426] __arm64_sys_mount+0x514/0x5e4 [ 230.884013][ T6426] invoke_syscall+0x98/0x2b8 [ 230.884720][ T6426] el0_svc_common+0x138/0x258 [ 230.885373][ T6426] do_el0_svc+0x58/0x14c [ 230.886005][ T6426] el0_svc+0x78/0x1e0 [ 230.886580][ T6426] el0t_64_sync_handler+0xcc/0xe4 [ 230.887276][ T6426] el0t_64_sync+0x1a0/0x1a4 [ 230.888100][ T6426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.890053][ T6426] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.018630][ T6428] loop1: detected capacity change from 0 to 32768 [ 231.055158][ T6428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.056395][ T6428] CPU: 0 PID: 6428 Comm: syz.1.711 Not tainted syzkaller #0 [ 231.057495][ T6428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.058928][ T6428] Call trace: [ 231.059464][ T6428] dump_backtrace+0x0/0x43c [ 231.060115][ T6428] show_stack+0x2c/0x3c [ 231.060790][ T6428] __dump_stack+0x30/0x40 [ 231.061502][ T6428] dump_stack_lvl+0xf8/0x160 [ 231.062220][ T6428] dump_stack+0x1c/0x5c [ 231.062891][ T6428] sysfs_create_dir_ns+0x22c/0x24c [ 231.063646][ T6428] kobject_add_internal+0x590/0xc54 [ 231.064440][ T6428] kobject_init_and_add+0x118/0x17c [ 231.065224][ T6428] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.065945][ T6428] gfs2_fill_super+0xdac/0x19e0 [ 231.066679][ T6428] get_tree_bdev+0x358/0x544 [ 231.067385][ T6428] gfs2_get_tree+0x54/0x1b4 [ 231.068154][ T6428] vfs_get_tree+0x90/0x274 [ 231.068796][ T6428] do_new_mount+0x228/0x810 [ 231.069485][ T6428] path_mount+0x5b4/0x1000 [ 231.070164][ T6428] __arm64_sys_mount+0x514/0x5e4 [ 231.070933][ T6428] invoke_syscall+0x98/0x2b8 [ 231.071614][ T6428] el0_svc_common+0x138/0x258 [ 231.072401][ T6428] do_el0_svc+0x58/0x14c [ 231.073063][ T6428] el0_svc+0x78/0x1e0 [ 231.073723][ T6428] el0t_64_sync_handler+0xcc/0xe4 [ 231.074428][ T6428] el0t_64_sync+0x1a0/0x1a4 [ 231.076766][ T6428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.078744][ T6428] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.261720][ T6430] loop1: detected capacity change from 0 to 32768 [ 231.309785][ T6430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.311027][ T6430] CPU: 1 PID: 6430 Comm: syz.1.712 Not tainted syzkaller #0 [ 231.312229][ T6430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.313721][ T6430] Call trace: [ 231.314251][ T6430] dump_backtrace+0x0/0x43c [ 231.315030][ T6430] show_stack+0x2c/0x3c [ 231.315773][ T6430] __dump_stack+0x30/0x40 [ 231.316557][ T6430] dump_stack_lvl+0xf8/0x160 [ 231.317309][ T6430] dump_stack+0x1c/0x5c [ 231.317934][ T6430] sysfs_create_dir_ns+0x22c/0x24c [ 231.318730][ T6430] kobject_add_internal+0x590/0xc54 [ 231.319499][ T6430] kobject_init_and_add+0x118/0x17c [ 231.320351][ T6430] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.321041][ T6430] gfs2_fill_super+0xdac/0x19e0 [ 231.321843][ T6430] get_tree_bdev+0x358/0x544 [ 231.322614][ T6430] gfs2_get_tree+0x54/0x1b4 [ 231.323307][ T6430] vfs_get_tree+0x90/0x274 [ 231.324024][ T6430] do_new_mount+0x228/0x810 [ 231.324745][ T6430] path_mount+0x5b4/0x1000 [ 231.325412][ T6430] __arm64_sys_mount+0x514/0x5e4 [ 231.326142][ T6430] invoke_syscall+0x98/0x2b8 [ 231.326838][ T6430] el0_svc_common+0x138/0x258 [ 231.327609][ T6430] do_el0_svc+0x58/0x14c [ 231.328305][ T6430] el0_svc+0x78/0x1e0 [ 231.328910][ T6430] el0t_64_sync_handler+0xcc/0xe4 [ 231.329663][ T6430] el0t_64_sync+0x1a0/0x1a4 [ 231.331785][ T6430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.333836][ T6430] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.462653][ T6432] loop1: detected capacity change from 0 to 32768 [ 231.470048][ T6432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.471221][ T6432] CPU: 0 PID: 6432 Comm: syz.1.713 Not tainted syzkaller #0 [ 231.472194][ T6432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.473779][ T6432] Call trace: [ 231.474333][ T6432] dump_backtrace+0x0/0x43c [ 231.474959][ T6432] show_stack+0x2c/0x3c [ 231.475838][ T6432] __dump_stack+0x30/0x40 [ 231.476467][ T6432] dump_stack_lvl+0xf8/0x160 [ 231.477188][ T6432] dump_stack+0x1c/0x5c [ 231.477885][ T6432] sysfs_create_dir_ns+0x22c/0x24c [ 231.478663][ T6432] kobject_add_internal+0x590/0xc54 [ 231.479418][ T6432] kobject_init_and_add+0x118/0x17c [ 231.480264][ T6432] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.480969][ T6432] gfs2_fill_super+0xdac/0x19e0 [ 231.481735][ T6432] get_tree_bdev+0x358/0x544 [ 231.482407][ T6432] gfs2_get_tree+0x54/0x1b4 [ 231.483044][ T6432] vfs_get_tree+0x90/0x274 [ 231.483693][ T6432] do_new_mount+0x228/0x810 [ 231.484329][ T6432] path_mount+0x5b4/0x1000 [ 231.484980][ T6432] __arm64_sys_mount+0x514/0x5e4 [ 231.485715][ T6432] invoke_syscall+0x98/0x2b8 [ 231.486355][ T6432] el0_svc_common+0x138/0x258 [ 231.487064][ T6432] do_el0_svc+0x58/0x14c [ 231.487673][ T6432] el0_svc+0x78/0x1e0 [ 231.488282][ T6432] el0t_64_sync_handler+0xcc/0xe4 [ 231.489065][ T6432] el0t_64_sync+0x1a0/0x1a4 [ 231.489957][ T6432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.491893][ T6432] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.616547][ T6434] loop1: detected capacity change from 0 to 32768 [ 231.665209][ T6434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.666362][ T6434] CPU: 1 PID: 6434 Comm: syz.1.714 Not tainted syzkaller #0 [ 231.667479][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.668989][ T6434] Call trace: [ 231.669423][ T6434] dump_backtrace+0x0/0x43c [ 231.670104][ T6434] show_stack+0x2c/0x3c [ 231.670737][ T6434] __dump_stack+0x30/0x40 [ 231.671346][ T6434] dump_stack_lvl+0xf8/0x160 [ 231.672028][ T6434] dump_stack+0x1c/0x5c [ 231.672624][ T6434] sysfs_create_dir_ns+0x22c/0x24c [ 231.673426][ T6434] kobject_add_internal+0x590/0xc54 [ 231.674192][ T6434] kobject_init_and_add+0x118/0x17c [ 231.674983][ T6434] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.675727][ T6434] gfs2_fill_super+0xdac/0x19e0 [ 231.676522][ T6434] get_tree_bdev+0x358/0x544 [ 231.677253][ T6434] gfs2_get_tree+0x54/0x1b4 [ 231.677969][ T6434] vfs_get_tree+0x90/0x274 [ 231.678701][ T6434] do_new_mount+0x228/0x810 [ 231.679406][ T6434] path_mount+0x5b4/0x1000 [ 231.680080][ T6434] __arm64_sys_mount+0x514/0x5e4 [ 231.680840][ T6434] invoke_syscall+0x98/0x2b8 [ 231.681616][ T6434] el0_svc_common+0x138/0x258 [ 231.682382][ T6434] do_el0_svc+0x58/0x14c [ 231.683074][ T6434] el0_svc+0x78/0x1e0 [ 231.683786][ T6434] el0t_64_sync_handler+0xcc/0xe4 [ 231.684635][ T6434] el0t_64_sync+0x1a0/0x1a4 [ 231.686886][ T6434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.688864][ T6434] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.867399][ T6436] loop1: detected capacity change from 0 to 32768 [ 231.906062][ T6436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.907306][ T6436] CPU: 1 PID: 6436 Comm: syz.1.715 Not tainted syzkaller #0 [ 231.908476][ T6436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.910133][ T6436] Call trace: [ 231.910643][ T6436] dump_backtrace+0x0/0x43c [ 231.911355][ T6436] show_stack+0x2c/0x3c [ 231.912010][ T6436] __dump_stack+0x30/0x40 [ 231.912805][ T6436] dump_stack_lvl+0xf8/0x160 [ 231.913561][ T6436] dump_stack+0x1c/0x5c [ 231.914233][ T6436] sysfs_create_dir_ns+0x22c/0x24c [ 231.915014][ T6436] kobject_add_internal+0x590/0xc54 [ 231.915864][ T6436] kobject_init_and_add+0x118/0x17c [ 231.916724][ T6436] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.917525][ T6436] gfs2_fill_super+0xdac/0x19e0 [ 231.918330][ T6436] get_tree_bdev+0x358/0x544 [ 231.919091][ T6436] gfs2_get_tree+0x54/0x1b4 [ 231.919827][ T6436] vfs_get_tree+0x90/0x274 [ 231.920608][ T6436] do_new_mount+0x228/0x810 [ 231.921354][ T6436] path_mount+0x5b4/0x1000 [ 231.922100][ T6436] __arm64_sys_mount+0x514/0x5e4 [ 231.922917][ T6436] invoke_syscall+0x98/0x2b8 [ 231.923696][ T6436] el0_svc_common+0x138/0x258 [ 231.924530][ T6436] do_el0_svc+0x58/0x14c [ 231.925204][ T6436] el0_svc+0x78/0x1e0 [ 231.925871][ T6436] el0t_64_sync_handler+0xcc/0xe4 [ 231.926630][ T6436] el0t_64_sync+0x1a0/0x1a4 [ 231.931437][ T6436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.933466][ T6436] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.065993][ T6438] loop1: detected capacity change from 0 to 32768 [ 232.115120][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.116284][ T6438] CPU: 0 PID: 6438 Comm: syz.1.716 Not tainted syzkaller #0 [ 232.117364][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.118916][ T6438] Call trace: [ 232.119409][ T6438] dump_backtrace+0x0/0x43c [ 232.120020][ T6438] show_stack+0x2c/0x3c [ 232.120671][ T6438] __dump_stack+0x30/0x40 [ 232.121331][ T6438] dump_stack_lvl+0xf8/0x160 [ 232.121986][ T6438] dump_stack+0x1c/0x5c [ 232.122610][ T6438] sysfs_create_dir_ns+0x22c/0x24c [ 232.123419][ T6438] kobject_add_internal+0x590/0xc54 [ 232.124173][ T6438] kobject_init_and_add+0x118/0x17c [ 232.124936][ T6438] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.125637][ T6438] gfs2_fill_super+0xdac/0x19e0 [ 232.126468][ T6438] get_tree_bdev+0x358/0x544 [ 232.127246][ T6438] gfs2_get_tree+0x54/0x1b4 [ 232.127935][ T6438] vfs_get_tree+0x90/0x274 [ 232.128551][ T6438] do_new_mount+0x228/0x810 [ 232.129242][ T6438] path_mount+0x5b4/0x1000 [ 232.129851][ T6438] __arm64_sys_mount+0x514/0x5e4 [ 232.130583][ T6438] invoke_syscall+0x98/0x2b8 [ 232.131377][ T6438] el0_svc_common+0x138/0x258 [ 232.132120][ T6438] do_el0_svc+0x58/0x14c [ 232.132828][ T6438] el0_svc+0x78/0x1e0 [ 232.133461][ T6438] el0t_64_sync_handler+0xcc/0xe4 [ 232.134249][ T6438] el0t_64_sync+0x1a0/0x1a4 [ 232.136426][ T6438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.138346][ T6438] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.264060][ T6440] loop1: detected capacity change from 0 to 32768 [ 232.305256][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.306471][ T6440] CPU: 1 PID: 6440 Comm: syz.1.717 Not tainted syzkaller #0 [ 232.307506][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.309133][ T6440] Call trace: [ 232.309721][ T6440] dump_backtrace+0x0/0x43c [ 232.310469][ T6440] show_stack+0x2c/0x3c [ 232.311146][ T6440] __dump_stack+0x30/0x40 [ 232.311795][ T6440] dump_stack_lvl+0xf8/0x160 [ 232.312475][ T6440] dump_stack+0x1c/0x5c [ 232.313085][ T6440] sysfs_create_dir_ns+0x22c/0x24c [ 232.313935][ T6440] kobject_add_internal+0x590/0xc54 [ 232.314800][ T6440] kobject_init_and_add+0x118/0x17c [ 232.315713][ T6440] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.316531][ T6440] gfs2_fill_super+0xdac/0x19e0 [ 232.317348][ T6440] get_tree_bdev+0x358/0x544 [ 232.318113][ T6440] gfs2_get_tree+0x54/0x1b4 [ 232.318812][ T6440] vfs_get_tree+0x90/0x274 [ 232.319530][ T6440] do_new_mount+0x228/0x810 [ 232.320225][ T6440] path_mount+0x5b4/0x1000 [ 232.320947][ T6440] __arm64_sys_mount+0x514/0x5e4 [ 232.321773][ T6440] invoke_syscall+0x98/0x2b8 [ 232.322545][ T6440] el0_svc_common+0x138/0x258 [ 232.323322][ T6440] do_el0_svc+0x58/0x14c [ 232.323974][ T6440] el0_svc+0x78/0x1e0 [ 232.324606][ T6440] el0t_64_sync_handler+0xcc/0xe4 [ 232.325400][ T6440] el0t_64_sync+0x1a0/0x1a4 [ 232.327615][ T6440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.329717][ T6440] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.455826][ T6442] loop1: detected capacity change from 0 to 32768 [ 232.525232][ T6442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.526419][ T6442] CPU: 0 PID: 6442 Comm: syz.1.718 Not tainted syzkaller #0 [ 232.527502][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.528875][ T6442] Call trace: [ 232.529377][ T6442] dump_backtrace+0x0/0x43c [ 232.530041][ T6442] show_stack+0x2c/0x3c [ 232.530697][ T6442] __dump_stack+0x30/0x40 [ 232.531310][ T6442] dump_stack_lvl+0xf8/0x160 [ 232.532007][ T6442] dump_stack+0x1c/0x5c [ 232.532629][ T6442] sysfs_create_dir_ns+0x22c/0x24c [ 232.533360][ T6442] kobject_add_internal+0x590/0xc54 [ 232.534083][ T6442] kobject_init_and_add+0x118/0x17c [ 232.534911][ T6442] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.535590][ T6442] gfs2_fill_super+0xdac/0x19e0 [ 232.536241][ T6442] get_tree_bdev+0x358/0x544 [ 232.536920][ T6442] gfs2_get_tree+0x54/0x1b4 [ 232.537557][ T6442] vfs_get_tree+0x90/0x274 [ 232.538235][ T6442] do_new_mount+0x228/0x810 [ 232.538882][ T6442] path_mount+0x5b4/0x1000 [ 232.539549][ T6442] __arm64_sys_mount+0x514/0x5e4 [ 232.540301][ T6442] invoke_syscall+0x98/0x2b8 [ 232.540919][ T6442] el0_svc_common+0x138/0x258 [ 232.541589][ T6442] do_el0_svc+0x58/0x14c [ 232.542212][ T6442] el0_svc+0x78/0x1e0 [ 232.542784][ T6442] el0t_64_sync_handler+0xcc/0xe4 [ 232.543578][ T6442] el0t_64_sync+0x1a0/0x1a4 [ 232.546059][ T6442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.548144][ T6442] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.679465][ T6444] loop1: detected capacity change from 0 to 32768 [ 232.687154][ T6444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.688403][ T6444] CPU: 1 PID: 6444 Comm: syz.1.719 Not tainted syzkaller #0 [ 232.689577][ T6444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.691090][ T6444] Call trace: [ 232.691588][ T6444] dump_backtrace+0x0/0x43c [ 232.692245][ T6444] show_stack+0x2c/0x3c [ 232.692883][ T6444] __dump_stack+0x30/0x40 [ 232.693534][ T6444] dump_stack_lvl+0xf8/0x160 [ 232.694219][ T6444] dump_stack+0x1c/0x5c [ 232.694816][ T6444] sysfs_create_dir_ns+0x22c/0x24c [ 232.695636][ T6444] kobject_add_internal+0x590/0xc54 [ 232.696411][ T6444] kobject_init_and_add+0x118/0x17c [ 232.697301][ T6444] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.697990][ T6444] gfs2_fill_super+0xdac/0x19e0 [ 232.698698][ T6444] get_tree_bdev+0x358/0x544 [ 232.699452][ T6444] gfs2_get_tree+0x54/0x1b4 [ 232.700244][ T6444] vfs_get_tree+0x90/0x274 [ 232.700996][ T6444] do_new_mount+0x228/0x810 [ 232.701733][ T6444] path_mount+0x5b4/0x1000 [ 232.702479][ T6444] __arm64_sys_mount+0x514/0x5e4 [ 232.703312][ T6444] invoke_syscall+0x98/0x2b8 [ 232.704076][ T6444] el0_svc_common+0x138/0x258 [ 232.704780][ T6444] do_el0_svc+0x58/0x14c [ 232.705565][ T6444] el0_svc+0x78/0x1e0 [ 232.706199][ T6444] el0t_64_sync_handler+0xcc/0xe4 [ 232.706976][ T6444] el0t_64_sync+0x1a0/0x1a4 [ 232.708362][ T6444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.710269][ T6444] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:52 executed programs: 706 [ 232.842411][ T6446] loop1: detected capacity change from 0 to 32768 [ 232.849651][ T6446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.850754][ T6446] CPU: 0 PID: 6446 Comm: syz.1.720 Not tainted syzkaller #0 [ 232.851802][ T6446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.853305][ T6446] Call trace: [ 232.853766][ T6446] dump_backtrace+0x0/0x43c [ 232.854383][ T6446] show_stack+0x2c/0x3c [ 232.854936][ T6446] __dump_stack+0x30/0x40 [ 232.855523][ T6446] dump_stack_lvl+0xf8/0x160 [ 232.856234][ T6446] dump_stack+0x1c/0x5c [ 232.856802][ T6446] sysfs_create_dir_ns+0x22c/0x24c [ 232.857540][ T6446] kobject_add_internal+0x590/0xc54 [ 232.858330][ T6446] kobject_init_and_add+0x118/0x17c [ 232.859109][ T6446] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.859814][ T6446] gfs2_fill_super+0xdac/0x19e0 [ 232.860557][ T6446] get_tree_bdev+0x358/0x544 [ 232.861266][ T6446] gfs2_get_tree+0x54/0x1b4 [ 232.861900][ T6446] vfs_get_tree+0x90/0x274 [ 232.862506][ T6446] do_new_mount+0x228/0x810 [ 232.863138][ T6446] path_mount+0x5b4/0x1000 [ 232.863748][ T6446] __arm64_sys_mount+0x514/0x5e4 [ 232.864427][ T6446] invoke_syscall+0x98/0x2b8 [ 232.865135][ T6446] el0_svc_common+0x138/0x258 [ 232.865873][ T6446] do_el0_svc+0x58/0x14c [ 232.866518][ T6446] el0_svc+0x78/0x1e0 [ 232.867104][ T6446] el0t_64_sync_handler+0xcc/0xe4 [ 232.867858][ T6446] el0t_64_sync+0x1a0/0x1a4 [ 232.868793][ T6446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.870724][ T6446] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.997293][ T6448] loop1: detected capacity change from 0 to 32768 [ 233.045413][ T6448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.046585][ T6448] CPU: 1 PID: 6448 Comm: syz.1.721 Not tainted syzkaller #0 [ 233.047718][ T6448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.049162][ T6448] Call trace: [ 233.049649][ T6448] dump_backtrace+0x0/0x43c [ 233.050355][ T6448] show_stack+0x2c/0x3c [ 233.050973][ T6448] __dump_stack+0x30/0x40 [ 233.051589][ T6448] dump_stack_lvl+0xf8/0x160 [ 233.052225][ T6448] dump_stack+0x1c/0x5c [ 233.052808][ T6448] sysfs_create_dir_ns+0x22c/0x24c [ 233.053577][ T6448] kobject_add_internal+0x590/0xc54 [ 233.054341][ T6448] kobject_init_and_add+0x118/0x17c [ 233.055183][ T6448] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.056005][ T6448] gfs2_fill_super+0xdac/0x19e0 [ 233.056801][ T6448] get_tree_bdev+0x358/0x544 [ 233.057543][ T6448] gfs2_get_tree+0x54/0x1b4 [ 233.058318][ T6448] vfs_get_tree+0x90/0x274 [ 233.058955][ T6448] do_new_mount+0x228/0x810 [ 233.059709][ T6448] path_mount+0x5b4/0x1000 [ 233.060382][ T6448] __arm64_sys_mount+0x514/0x5e4 [ 233.061173][ T6448] invoke_syscall+0x98/0x2b8 [ 233.061943][ T6448] el0_svc_common+0x138/0x258 [ 233.062746][ T6448] do_el0_svc+0x58/0x14c [ 233.063479][ T6448] el0_svc+0x78/0x1e0 [ 233.064138][ T6448] el0t_64_sync_handler+0xcc/0xe4 [ 233.064949][ T6448] el0t_64_sync+0x1a0/0x1a4 [ 233.066574][ T6448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.068728][ T6448] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.195928][ T6450] loop1: detected capacity change from 0 to 32768 [ 233.239603][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.240789][ T6450] CPU: 1 PID: 6450 Comm: syz.1.722 Not tainted syzkaller #0 [ 233.241895][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.243305][ T6450] Call trace: [ 233.243752][ T6450] dump_backtrace+0x0/0x43c [ 233.244412][ T6450] show_stack+0x2c/0x3c [ 233.245021][ T6450] __dump_stack+0x30/0x40 [ 233.245686][ T6450] dump_stack_lvl+0xf8/0x160 [ 233.246319][ T6450] dump_stack+0x1c/0x5c [ 233.246962][ T6450] sysfs_create_dir_ns+0x22c/0x24c [ 233.247661][ T6450] kobject_add_internal+0x590/0xc54 [ 233.248464][ T6450] kobject_init_and_add+0x118/0x17c [ 233.249209][ T6450] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.249914][ T6450] gfs2_fill_super+0xdac/0x19e0 [ 233.250688][ T6450] get_tree_bdev+0x358/0x544 [ 233.251401][ T6450] gfs2_get_tree+0x54/0x1b4 [ 233.252118][ T6450] vfs_get_tree+0x90/0x274 [ 233.252864][ T6450] do_new_mount+0x228/0x810 [ 233.253601][ T6450] path_mount+0x5b4/0x1000 [ 233.254382][ T6450] __arm64_sys_mount+0x514/0x5e4 [ 233.255159][ T6450] invoke_syscall+0x98/0x2b8 [ 233.255948][ T6450] el0_svc_common+0x138/0x258 [ 233.256658][ T6450] do_el0_svc+0x58/0x14c [ 233.257315][ T6450] el0_svc+0x78/0x1e0 [ 233.257975][ T6450] el0t_64_sync_handler+0xcc/0xe4 [ 233.258841][ T6450] el0t_64_sync+0x1a0/0x1a4 [ 233.261007][ T6450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.263043][ T6450] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.391288][ T6452] loop1: detected capacity change from 0 to 32768 [ 233.399593][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.400777][ T6452] CPU: 0 PID: 6452 Comm: syz.1.723 Not tainted syzkaller #0 [ 233.401772][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.403245][ T6452] Call trace: [ 233.403711][ T6452] dump_backtrace+0x0/0x43c [ 233.404420][ T6452] show_stack+0x2c/0x3c [ 233.405032][ T6452] __dump_stack+0x30/0x40 [ 233.405717][ T6452] dump_stack_lvl+0xf8/0x160 [ 233.406440][ T6452] dump_stack+0x1c/0x5c [ 233.407108][ T6452] sysfs_create_dir_ns+0x22c/0x24c [ 233.407987][ T6452] kobject_add_internal+0x590/0xc54 [ 233.408856][ T6452] kobject_init_and_add+0x118/0x17c [ 233.409677][ T6452] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.410483][ T6452] gfs2_fill_super+0xdac/0x19e0 [ 233.411242][ T6452] get_tree_bdev+0x358/0x544 [ 233.411979][ T6452] gfs2_get_tree+0x54/0x1b4 [ 233.412674][ T6452] vfs_get_tree+0x90/0x274 [ 233.413302][ T6452] do_new_mount+0x228/0x810 [ 233.414046][ T6452] path_mount+0x5b4/0x1000 [ 233.414695][ T6452] __arm64_sys_mount+0x514/0x5e4 [ 233.415410][ T6452] invoke_syscall+0x98/0x2b8 [ 233.416114][ T6452] el0_svc_common+0x138/0x258 [ 233.416851][ T6452] do_el0_svc+0x58/0x14c [ 233.417469][ T6452] el0_svc+0x78/0x1e0 [ 233.418115][ T6452] el0t_64_sync_handler+0xcc/0xe4 [ 233.418803][ T6452] el0t_64_sync+0x1a0/0x1a4 [ 233.419725][ T6452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.421721][ T6452] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.555855][ T6454] loop1: detected capacity change from 0 to 32768 [ 233.608944][ T6454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.610182][ T6454] CPU: 0 PID: 6454 Comm: syz.1.724 Not tainted syzkaller #0 [ 233.611333][ T6454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.612918][ T6454] Call trace: [ 233.613409][ T6454] dump_backtrace+0x0/0x43c [ 233.614147][ T6454] show_stack+0x2c/0x3c [ 233.614748][ T6454] __dump_stack+0x30/0x40 [ 233.615457][ T6454] dump_stack_lvl+0xf8/0x160 [ 233.616155][ T6454] dump_stack+0x1c/0x5c [ 233.616748][ T6454] sysfs_create_dir_ns+0x22c/0x24c [ 233.617475][ T6454] kobject_add_internal+0x590/0xc54 [ 233.618236][ T6454] kobject_init_and_add+0x118/0x17c [ 233.619013][ T6454] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.619697][ T6454] gfs2_fill_super+0xdac/0x19e0 [ 233.620389][ T6454] get_tree_bdev+0x358/0x544 [ 233.621051][ T6454] gfs2_get_tree+0x54/0x1b4 [ 233.621699][ T6454] vfs_get_tree+0x90/0x274 [ 233.622313][ T6454] do_new_mount+0x228/0x810 [ 233.622971][ T6454] path_mount+0x5b4/0x1000 [ 233.623594][ T6454] __arm64_sys_mount+0x514/0x5e4 [ 233.624319][ T6454] invoke_syscall+0x98/0x2b8 [ 233.624993][ T6454] el0_svc_common+0x138/0x258 [ 233.625778][ T6454] do_el0_svc+0x58/0x14c [ 233.626531][ T6454] el0_svc+0x78/0x1e0 [ 233.627078][ T6454] el0t_64_sync_handler+0xcc/0xe4 [ 233.627825][ T6454] el0t_64_sync+0x1a0/0x1a4 [ 233.629986][ T6454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.631942][ T6454] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.763573][ T6456] loop1: detected capacity change from 0 to 32768 [ 233.771161][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.772416][ T6456] CPU: 0 PID: 6456 Comm: syz.1.725 Not tainted syzkaller #0 [ 233.773602][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.775108][ T6456] Call trace: [ 233.775572][ T6456] dump_backtrace+0x0/0x43c [ 233.776272][ T6456] show_stack+0x2c/0x3c [ 233.776943][ T6456] __dump_stack+0x30/0x40 [ 233.777591][ T6456] dump_stack_lvl+0xf8/0x160 [ 233.778325][ T6456] dump_stack+0x1c/0x5c [ 233.778964][ T6456] sysfs_create_dir_ns+0x22c/0x24c [ 233.779755][ T6456] kobject_add_internal+0x590/0xc54 [ 233.780520][ T6456] kobject_init_and_add+0x118/0x17c [ 233.781263][ T6456] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.781982][ T6456] gfs2_fill_super+0xdac/0x19e0 [ 233.782682][ T6456] get_tree_bdev+0x358/0x544 [ 233.783402][ T6456] gfs2_get_tree+0x54/0x1b4 [ 233.784075][ T6456] vfs_get_tree+0x90/0x274 [ 233.784742][ T6456] do_new_mount+0x228/0x810 [ 233.785474][ T6456] path_mount+0x5b4/0x1000 [ 233.786129][ T6456] __arm64_sys_mount+0x514/0x5e4 [ 233.786928][ T6456] invoke_syscall+0x98/0x2b8 [ 233.787644][ T6456] el0_svc_common+0x138/0x258 [ 233.788360][ T6456] do_el0_svc+0x58/0x14c [ 233.789018][ T6456] el0_svc+0x78/0x1e0 [ 233.789614][ T6456] el0t_64_sync_handler+0xcc/0xe4 [ 233.790369][ T6456] el0t_64_sync+0x1a0/0x1a4 [ 233.791308][ T6456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.793253][ T6456] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.933705][ T6458] loop1: detected capacity change from 0 to 32768 [ 233.988421][ T6458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.989524][ T6458] CPU: 0 PID: 6458 Comm: syz.1.726 Not tainted syzkaller #0 [ 233.990625][ T6458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.992185][ T6458] Call trace: [ 233.992660][ T6458] dump_backtrace+0x0/0x43c [ 233.993289][ T6458] show_stack+0x2c/0x3c [ 233.993894][ T6458] __dump_stack+0x30/0x40 [ 233.994514][ T6458] dump_stack_lvl+0xf8/0x160 [ 233.995199][ T6458] dump_stack+0x1c/0x5c [ 233.995834][ T6458] sysfs_create_dir_ns+0x22c/0x24c [ 233.996604][ T6458] kobject_add_internal+0x590/0xc54 [ 233.997353][ T6458] kobject_init_and_add+0x118/0x17c [ 233.998157][ T6458] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.998897][ T6458] gfs2_fill_super+0xdac/0x19e0 [ 233.999576][ T6458] get_tree_bdev+0x358/0x544 [ 234.000257][ T6458] gfs2_get_tree+0x54/0x1b4 [ 234.000877][ T6458] vfs_get_tree+0x90/0x274 [ 234.001532][ T6458] do_new_mount+0x228/0x810 [ 234.002222][ T6458] path_mount+0x5b4/0x1000 [ 234.002955][ T6458] __arm64_sys_mount+0x514/0x5e4 [ 234.003698][ T6458] invoke_syscall+0x98/0x2b8 [ 234.004419][ T6458] el0_svc_common+0x138/0x258 [ 234.005093][ T6458] do_el0_svc+0x58/0x14c [ 234.005723][ T6458] el0_svc+0x78/0x1e0 [ 234.006299][ T6458] el0t_64_sync_handler+0xcc/0xe4 [ 234.007000][ T6458] el0t_64_sync+0x1a0/0x1a4 [ 234.009188][ T6458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.011018][ T6458] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.139518][ T6460] loop1: detected capacity change from 0 to 32768 [ 234.220625][ T6460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.221993][ T6460] CPU: 0 PID: 6460 Comm: syz.1.727 Not tainted syzkaller #0 [ 234.223014][ T6460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.224446][ T6460] Call trace: [ 234.224972][ T6460] dump_backtrace+0x0/0x43c [ 234.225620][ T6460] show_stack+0x2c/0x3c [ 234.226235][ T6460] __dump_stack+0x30/0x40 [ 234.226918][ T6460] dump_stack_lvl+0xf8/0x160 [ 234.227664][ T6460] dump_stack+0x1c/0x5c [ 234.228238][ T6460] sysfs_create_dir_ns+0x22c/0x24c [ 234.229021][ T6460] kobject_add_internal+0x590/0xc54 [ 234.229791][ T6460] kobject_init_and_add+0x118/0x17c [ 234.230550][ T6460] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.231303][ T6460] gfs2_fill_super+0xdac/0x19e0 [ 234.232063][ T6460] get_tree_bdev+0x358/0x544 [ 234.232716][ T6460] gfs2_get_tree+0x54/0x1b4 [ 234.233400][ T6460] vfs_get_tree+0x90/0x274 [ 234.234021][ T6460] do_new_mount+0x228/0x810 [ 234.234675][ T6460] path_mount+0x5b4/0x1000 [ 234.235292][ T6460] __arm64_sys_mount+0x514/0x5e4 [ 234.236039][ T6460] invoke_syscall+0x98/0x2b8 [ 234.236723][ T6460] el0_svc_common+0x138/0x258 [ 234.237374][ T6460] do_el0_svc+0x58/0x14c [ 234.238013][ T6460] el0_svc+0x78/0x1e0 [ 234.238660][ T6460] el0t_64_sync_handler+0xcc/0xe4 [ 234.239486][ T6460] el0t_64_sync+0x1a0/0x1a4 [ 234.241622][ T6460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.243480][ T6460] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.370944][ T6462] loop1: detected capacity change from 0 to 32768 [ 234.415186][ T6462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.416388][ T6462] CPU: 1 PID: 6462 Comm: syz.1.728 Not tainted syzkaller #0 [ 234.417521][ T6462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.419098][ T6462] Call trace: [ 234.419675][ T6462] dump_backtrace+0x0/0x43c [ 234.420406][ T6462] show_stack+0x2c/0x3c [ 234.421032][ T6462] __dump_stack+0x30/0x40 [ 234.421716][ T6462] dump_stack_lvl+0xf8/0x160 [ 234.422361][ T6462] dump_stack+0x1c/0x5c [ 234.422993][ T6462] sysfs_create_dir_ns+0x22c/0x24c [ 234.423767][ T6462] kobject_add_internal+0x590/0xc54 [ 234.424542][ T6462] kobject_init_and_add+0x118/0x17c [ 234.425311][ T6462] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.426098][ T6462] gfs2_fill_super+0xdac/0x19e0 [ 234.426823][ T6462] get_tree_bdev+0x358/0x544 [ 234.427630][ T6462] gfs2_get_tree+0x54/0x1b4 [ 234.428303][ T6462] vfs_get_tree+0x90/0x274 [ 234.429021][ T6462] do_new_mount+0x228/0x810 [ 234.429740][ T6462] path_mount+0x5b4/0x1000 [ 234.430448][ T6462] __arm64_sys_mount+0x514/0x5e4 [ 234.431241][ T6462] invoke_syscall+0x98/0x2b8 [ 234.431977][ T6462] el0_svc_common+0x138/0x258 [ 234.432655][ T6462] do_el0_svc+0x58/0x14c [ 234.433336][ T6462] el0_svc+0x78/0x1e0 [ 234.434008][ T6462] el0t_64_sync_handler+0xcc/0xe4 [ 234.434840][ T6462] el0t_64_sync+0x1a0/0x1a4 [ 234.436178][ T6462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.438344][ T6462] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.608777][ T6464] loop1: detected capacity change from 0 to 32768 [ 234.666450][ T6464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.667684][ T6464] CPU: 1 PID: 6464 Comm: syz.1.729 Not tainted syzkaller #0 [ 234.668758][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.670283][ T6464] Call trace: [ 234.670770][ T6464] dump_backtrace+0x0/0x43c [ 234.671444][ T6464] show_stack+0x2c/0x3c [ 234.672014][ T6464] __dump_stack+0x30/0x40 [ 234.672698][ T6464] dump_stack_lvl+0xf8/0x160 [ 234.673414][ T6464] dump_stack+0x1c/0x5c [ 234.674021][ T6464] sysfs_create_dir_ns+0x22c/0x24c [ 234.674811][ T6464] kobject_add_internal+0x590/0xc54 [ 234.675525][ T6464] kobject_init_and_add+0x118/0x17c [ 234.676307][ T6464] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.677084][ T6464] gfs2_fill_super+0xdac/0x19e0 [ 234.677859][ T6464] get_tree_bdev+0x358/0x544 [ 234.678524][ T6464] gfs2_get_tree+0x54/0x1b4 [ 234.679197][ T6464] vfs_get_tree+0x90/0x274 [ 234.679912][ T6464] do_new_mount+0x228/0x810 [ 234.680620][ T6464] path_mount+0x5b4/0x1000 [ 234.681284][ T6464] __arm64_sys_mount+0x514/0x5e4 [ 234.682001][ T6464] invoke_syscall+0x98/0x2b8 [ 234.682710][ T6464] el0_svc_common+0x138/0x258 [ 234.683427][ T6464] do_el0_svc+0x58/0x14c [ 234.684112][ T6464] el0_svc+0x78/0x1e0 [ 234.684763][ T6464] el0t_64_sync_handler+0xcc/0xe4 [ 234.685563][ T6464] el0t_64_sync+0x1a0/0x1a4 [ 234.687786][ T6464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.689685][ T6464] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.822287][ T6466] loop1: detected capacity change from 0 to 32768 [ 234.825852][ T6466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.827041][ T6466] CPU: 1 PID: 6466 Comm: syz.1.730 Not tainted syzkaller #0 [ 234.828214][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.829900][ T6466] Call trace: [ 234.830484][ T6466] dump_backtrace+0x0/0x43c [ 234.831197][ T6466] show_stack+0x2c/0x3c [ 234.831831][ T6466] __dump_stack+0x30/0x40 [ 234.832552][ T6466] dump_stack_lvl+0xf8/0x160 [ 234.833217][ T6466] dump_stack+0x1c/0x5c [ 234.833843][ T6466] sysfs_create_dir_ns+0x22c/0x24c [ 234.834652][ T6466] kobject_add_internal+0x590/0xc54 [ 234.835534][ T6466] kobject_init_and_add+0x118/0x17c [ 234.836328][ T6466] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.837179][ T6466] gfs2_fill_super+0xdac/0x19e0 [ 234.838051][ T6466] get_tree_bdev+0x358/0x544 [ 234.838795][ T6466] gfs2_get_tree+0x54/0x1b4 [ 234.839499][ T6466] vfs_get_tree+0x90/0x274 [ 234.840205][ T6466] do_new_mount+0x228/0x810 [ 234.840979][ T6466] path_mount+0x5b4/0x1000 [ 234.841709][ T6466] __arm64_sys_mount+0x514/0x5e4 [ 234.842475][ T6466] invoke_syscall+0x98/0x2b8 [ 234.843165][ T6466] el0_svc_common+0x138/0x258 [ 234.843880][ T6466] do_el0_svc+0x58/0x14c [ 234.844508][ T6466] el0_svc+0x78/0x1e0 [ 234.845200][ T6466] el0t_64_sync_handler+0xcc/0xe4 [ 234.846069][ T6466] el0t_64_sync+0x1a0/0x1a4 [ 234.847501][ T6466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.849476][ T6466] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.077880][ T6468] loop1: detected capacity change from 0 to 32768 [ 235.135855][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.137072][ T6468] CPU: 1 PID: 6468 Comm: syz.1.731 Not tainted syzkaller #0 [ 235.138161][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.139619][ T6468] Call trace: [ 235.140096][ T6468] dump_backtrace+0x0/0x43c [ 235.140827][ T6468] show_stack+0x2c/0x3c [ 235.141502][ T6468] __dump_stack+0x30/0x40 [ 235.142168][ T6468] dump_stack_lvl+0xf8/0x160 [ 235.142823][ T6468] dump_stack+0x1c/0x5c [ 235.143476][ T6468] sysfs_create_dir_ns+0x22c/0x24c [ 235.144292][ T6468] kobject_add_internal+0x590/0xc54 [ 235.145094][ T6468] kobject_init_and_add+0x118/0x17c [ 235.145892][ T6468] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.146689][ T6468] gfs2_fill_super+0xdac/0x19e0 [ 235.147469][ T6468] get_tree_bdev+0x358/0x544 [ 235.148237][ T6468] gfs2_get_tree+0x54/0x1b4 [ 235.149004][ T6468] vfs_get_tree+0x90/0x274 [ 235.149700][ T6468] do_new_mount+0x228/0x810 [ 235.150421][ T6468] path_mount+0x5b4/0x1000 [ 235.151144][ T6468] __arm64_sys_mount+0x514/0x5e4 [ 235.151965][ T6468] invoke_syscall+0x98/0x2b8 [ 235.152741][ T6468] el0_svc_common+0x138/0x258 [ 235.153536][ T6468] do_el0_svc+0x58/0x14c [ 235.154295][ T6468] el0_svc+0x78/0x1e0 [ 235.154960][ T6468] el0t_64_sync_handler+0xcc/0xe4 [ 235.155792][ T6468] el0t_64_sync+0x1a0/0x1a4 [ 235.157419][ T6468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.159521][ T6468] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.287137][ T6470] loop1: detected capacity change from 0 to 32768 [ 235.348557][ T6470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.349710][ T6470] CPU: 0 PID: 6470 Comm: syz.1.732 Not tainted syzkaller #0 [ 235.350757][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.352225][ T6470] Call trace: [ 235.352653][ T6470] dump_backtrace+0x0/0x43c [ 235.353288][ T6470] show_stack+0x2c/0x3c [ 235.353911][ T6470] __dump_stack+0x30/0x40 [ 235.354615][ T6470] dump_stack_lvl+0xf8/0x160 [ 235.355284][ T6470] dump_stack+0x1c/0x5c [ 235.355837][ T6470] sysfs_create_dir_ns+0x22c/0x24c [ 235.356589][ T6470] kobject_add_internal+0x590/0xc54 [ 235.357273][ T6470] kobject_init_and_add+0x118/0x17c [ 235.358012][ T6470] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.358706][ T6470] gfs2_fill_super+0xdac/0x19e0 [ 235.359474][ T6470] get_tree_bdev+0x358/0x544 [ 235.360106][ T6470] gfs2_get_tree+0x54/0x1b4 [ 235.360742][ T6470] vfs_get_tree+0x90/0x274 [ 235.361424][ T6470] do_new_mount+0x228/0x810 [ 235.362213][ T6470] path_mount+0x5b4/0x1000 [ 235.362921][ T6470] __arm64_sys_mount+0x514/0x5e4 [ 235.363687][ T6470] invoke_syscall+0x98/0x2b8 [ 235.364394][ T6470] el0_svc_common+0x138/0x258 [ 235.365096][ T6470] do_el0_svc+0x58/0x14c [ 235.365756][ T6470] el0_svc+0x78/0x1e0 [ 235.366357][ T6470] el0t_64_sync_handler+0xcc/0xe4 [ 235.367092][ T6470] el0t_64_sync+0x1a0/0x1a4 [ 235.369418][ T6470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.371197][ T6470] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.501500][ T6472] loop1: detected capacity change from 0 to 32768 [ 235.508821][ T6472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.510106][ T6472] CPU: 1 PID: 6472 Comm: syz.1.733 Not tainted syzkaller #0 [ 235.511219][ T6472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.512716][ T6472] Call trace: [ 235.513197][ T6472] dump_backtrace+0x0/0x43c [ 235.513978][ T6472] show_stack+0x2c/0x3c [ 235.514687][ T6472] __dump_stack+0x30/0x40 [ 235.515424][ T6472] dump_stack_lvl+0xf8/0x160 [ 235.516165][ T6472] dump_stack+0x1c/0x5c [ 235.516817][ T6472] sysfs_create_dir_ns+0x22c/0x24c [ 235.517616][ T6472] kobject_add_internal+0x590/0xc54 [ 235.518467][ T6472] kobject_init_and_add+0x118/0x17c [ 235.519241][ T6472] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.520031][ T6472] gfs2_fill_super+0xdac/0x19e0 [ 235.520827][ T6472] get_tree_bdev+0x358/0x544 [ 235.521606][ T6472] gfs2_get_tree+0x54/0x1b4 [ 235.522369][ T6472] vfs_get_tree+0x90/0x274 [ 235.523065][ T6472] do_new_mount+0x228/0x810 [ 235.523823][ T6472] path_mount+0x5b4/0x1000 [ 235.524587][ T6472] __arm64_sys_mount+0x514/0x5e4 [ 235.525322][ T6472] invoke_syscall+0x98/0x2b8 [ 235.526009][ T6472] el0_svc_common+0x138/0x258 [ 235.526687][ T6472] do_el0_svc+0x58/0x14c [ 235.527334][ T6472] el0_svc+0x78/0x1e0 [ 235.527905][ T6472] el0t_64_sync_handler+0xcc/0xe4 [ 235.528618][ T6472] el0t_64_sync+0x1a0/0x1a4 [ 235.529581][ T6472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.531640][ T6472] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.779501][ T6474] loop1: detected capacity change from 0 to 32768 [ 235.820882][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.822172][ T6474] CPU: 1 PID: 6474 Comm: syz.1.734 Not tainted syzkaller #0 [ 235.823203][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.824728][ T6474] Call trace: [ 235.825219][ T6474] dump_backtrace+0x0/0x43c [ 235.825896][ T6474] show_stack+0x2c/0x3c [ 235.826554][ T6474] __dump_stack+0x30/0x40 [ 235.827260][ T6474] dump_stack_lvl+0xf8/0x160 [ 235.828000][ T6474] dump_stack+0x1c/0x5c [ 235.828623][ T6474] sysfs_create_dir_ns+0x22c/0x24c [ 235.829501][ T6474] kobject_add_internal+0x590/0xc54 [ 235.830340][ T6474] kobject_init_and_add+0x118/0x17c [ 235.831182][ T6474] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.831911][ T6474] gfs2_fill_super+0xdac/0x19e0 [ 235.832673][ T6474] get_tree_bdev+0x358/0x544 [ 235.833468][ T6474] gfs2_get_tree+0x54/0x1b4 [ 235.834206][ T6474] vfs_get_tree+0x90/0x274 [ 235.834897][ T6474] do_new_mount+0x228/0x810 [ 235.835655][ T6474] path_mount+0x5b4/0x1000 [ 235.836365][ T6474] __arm64_sys_mount+0x514/0x5e4 [ 235.837109][ T6474] invoke_syscall+0x98/0x2b8 [ 235.837876][ T6474] el0_svc_common+0x138/0x258 [ 235.838687][ T6474] do_el0_svc+0x58/0x14c [ 235.839417][ T6474] el0_svc+0x78/0x1e0 [ 235.840021][ T6474] el0t_64_sync_handler+0xcc/0xe4 [ 235.840763][ T6474] el0t_64_sync+0x1a0/0x1a4 [ 235.841557][ T6474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.843495][ T6474] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.972978][ T6476] loop1: detected capacity change from 0 to 32768 [ 235.980490][ T6476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.981714][ T6476] CPU: 0 PID: 6476 Comm: syz.1.735 Not tainted syzkaller #0 [ 235.982822][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 235.984443][ T6476] Call trace: [ 235.984937][ T6476] dump_backtrace+0x0/0x43c [ 235.985612][ T6476] show_stack+0x2c/0x3c [ 235.986302][ T6476] __dump_stack+0x30/0x40 [ 235.986996][ T6476] dump_stack_lvl+0xf8/0x160 [ 235.987748][ T6476] dump_stack+0x1c/0x5c [ 235.988385][ T6476] sysfs_create_dir_ns+0x22c/0x24c [ 235.989220][ T6476] kobject_add_internal+0x590/0xc54 [ 235.990036][ T6476] kobject_init_and_add+0x118/0x17c [ 235.990847][ T6476] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.991584][ T6476] gfs2_fill_super+0xdac/0x19e0 [ 235.992382][ T6476] get_tree_bdev+0x358/0x544 [ 235.993106][ T6476] gfs2_get_tree+0x54/0x1b4 [ 235.993832][ T6476] vfs_get_tree+0x90/0x274 [ 235.994504][ T6476] do_new_mount+0x228/0x810 [ 235.995125][ T6476] path_mount+0x5b4/0x1000 [ 235.995803][ T6476] __arm64_sys_mount+0x514/0x5e4 [ 235.996595][ T6476] invoke_syscall+0x98/0x2b8 [ 235.997325][ T6476] el0_svc_common+0x138/0x258 [ 235.998004][ T6476] do_el0_svc+0x58/0x14c [ 235.998641][ T6476] el0_svc+0x78/0x1e0 [ 235.999194][ T6476] el0t_64_sync_handler+0xcc/0xe4 [ 235.999925][ T6476] el0t_64_sync+0x1a0/0x1a4 [ 236.002075][ T6476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.003981][ T6476] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.024094][ T27] INFO: task syz-executor:4810 blocked for more than 143 seconds. [ 236.025483][ T27] Not tainted syzkaller #0 [ 236.026218][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.027555][ T27] task:syz-executor state:D stack: 0 pid: 4810 ppid: 1 flags:0x00000009 [ 236.029070][ T27] Call trace: [ 236.029565][ T27] __switch_to+0x2f4/0x558 [ 236.030224][ T27] __schedule+0xe08/0x1bf8 [ 236.030957][ T27] schedule+0x11c/0x1c8 [ 236.031570][ T27] schedule_timeout+0x180/0x2c8 [ 236.032319][ T27] gfs2_gl_hash_clear+0x174/0x2cc [ 236.033018][ T27] gfs2_put_super+0x614/0x6bc [ 236.033653][ T27] generic_shutdown_super+0x130/0x2f0 [ 236.039704][ T27] kill_block_super+0x70/0xdc [ 236.040453][ T27] gfs2_kill_sb+0xc0/0xd4 [ 236.041171][ T27] deactivate_locked_super+0xb8/0x13c [ 236.042078][ T27] deactivate_super+0xf8/0x118 [ 236.042789][ T27] cleanup_mnt+0x3a4/0x458 [ 236.043468][ T27] __cleanup_mnt+0x20/0x30 [ 236.059132][ T27] task_work_run+0x12c/0x1e0 [ 236.059907][ T27] do_notify_resume+0x24b4/0x3128 [ 236.060741][ T27] el0_svc+0xf0/0x1e0 [ 236.061377][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 236.062196][ T27] el0t_64_sync+0x1a0/0x1a4 [ 236.062989][ T27] [ 236.062989][ T27] Showing all locks held in the system: [ 236.064327][ T27] 1 lock held by khungtaskd/27: [ 236.065113][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 236.066496][ T27] 2 locks held by getty/3806: [ 236.067143][ T27] #0: ffff0000d3e9c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 236.068745][ T27] #1: ffff80001bbee2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 236.070363][ T27] 2 locks held by kworker/1:14/4169: [ 236.071176][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 [ 236.072992][ T27] #1: ffff80001fb07c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 [ 236.090070][ T27] 1 lock held by syz-executor/4810: [ 236.090973][ T27] #0: ffff0000d8d660e0 (&type->s_umount_key#52){++++}-{3:3}, at: deactivate_super+0xf0/0x118 [ 236.092544][ T27] 2 locks held by syz.1.736/6478: [ 236.093349][ T27] [ 236.093706][ T27] ============================================= [ 236.093706][ T27] [ 236.098715][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 236.099786][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 236.101018][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 236.102545][ T27] Call trace: [ 236.103133][ T27] dump_backtrace+0x0/0x43c [ 236.103858][ T27] show_stack+0x2c/0x3c [ 236.104519][ T27] __dump_stack+0x30/0x40 [ 236.105232][ T27] dump_stack_lvl+0xf8/0x160 [ 236.105896][ T27] dump_stack+0x1c/0x5c [ 236.106484][ T27] panic+0x2e4/0x854 [ 236.107102][ T27] hung_task_panic+0x0/0x2c [ 236.107792][ T27] kthread+0x374/0x454 [ 236.108468][ T27] ret_from_fork+0x10/0x20 [ 236.109157][ T27] SMP: stopping secondary CPUs [ 236.109888][ T27] Kernel Offset: disabled [ 236.110512][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 236.111276][ T27] Memory Limit: none [ 236.455026][ T27] Rebooting in 86400 seconds..