t_64_sync_handler+0x84/0xf0 [ 224.682453][ T5776] el0t_64_sync+0x18c/0x190 [ 224.689990][ T5776] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.693758][ T5776] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:44 executed programs: 410 [ 224.838176][ T5778] chnl_net:caif_netlink_parms(): no params data found [ 225.000379][ T5778] bridge0: port 1(bridge_slave_0) entered blocking state [ 225.003765][ T5778] bridge0: port 1(bridge_slave_0) entered disabled state [ 225.032420][ T5778] device bridge_slave_0 entered promiscuous mode [ 225.062096][ T5778] bridge0: port 2(bridge_slave_1) entered blocking state [ 225.064253][ T5778] bridge0: port 2(bridge_slave_1) entered disabled state [ 225.067217][ T5778] device bridge_slave_1 entered promiscuous mode [ 225.197653][ T5778] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 225.234038][ T5778] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 225.293757][ T5781] loop3: detected capacity change from 0 to 32768 [ 225.305916][ T5778] team0: Port device team_slave_0 added [ 225.312110][ T5781] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 225.314421][ T5781] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 225.320352][ T5778] team0: Port device team_slave_1 added [ 225.329629][ T5781] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 225.339556][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 225.341603][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 225.389955][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 48ms [ 225.395916][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 225.397375][ T5781] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 225.431272][ T5778] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 225.433203][ T5778] 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. [ 225.440125][ T5778] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 225.453236][ T5778] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 225.455182][ T5778] 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. [ 225.482011][ T5778] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 225.657196][ T5786] loop6: detected capacity change from 0 to 32768 [ 225.660665][ T5786] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 225.663438][ T5786] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 225.674305][ T5786] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 225.685587][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 225.687461][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 225.723303][ T5778] device hsr_slave_0 entered promiscuous mode [ 225.739469][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 52ms [ 225.747683][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 225.749191][ T5786] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 225.766570][ T5787] loop7: detected capacity change from 0 to 32768 [ 225.777321][ T5787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.782568][ T5787] CPU: 0 PID: 5787 Comm: syz.7.416 Not tainted 6.1.143-syzkaller #0 [ 225.784915][ T5787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 225.787712][ T5787] Call trace: [ 225.788680][ T5787] dump_backtrace+0x1c8/0x1f4 [ 225.789994][ T5787] show_stack+0x2c/0x3c [ 225.791260][ T5787] __dump_stack+0x30/0x40 [ 225.792500][ T5787] dump_stack_lvl+0xf8/0x160 [ 225.793783][ T5787] dump_stack+0x1c/0x5c [ 225.795061][ T5787] sysfs_create_dir_ns+0x22c/0x24c [ 225.796491][ T5787] kobject_add_internal+0x5a8/0xb30 [ 225.797917][ T5787] kobject_init_and_add+0x118/0x17c [ 225.799350][ T5787] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.800618][ T5787] gfs2_fill_super+0xdec/0x19ec [ 225.802028][ T5787] get_tree_bdev+0x358/0x544 [ 225.803298][ T5787] gfs2_get_tree+0x54/0x1b4 [ 225.804589][ T5787] vfs_get_tree+0x90/0x274 [ 225.805809][ T5787] do_new_mount+0x228/0x810 [ 225.807047][ T5787] path_mount+0x5b4/0xe78 [ 225.808237][ T5787] __arm64_sys_mount+0x49c/0x584 [ 225.809616][ T5787] invoke_syscall+0x98/0x2bc [ 225.810933][ T5787] el0_svc_common+0x138/0x258 [ 225.812304][ T5787] do_el0_svc+0x58/0x13c [ 225.813529][ T5787] el0_svc+0x58/0x138 [ 225.814673][ T5787] el0t_64_sync_handler+0x84/0xf0 [ 225.816094][ T5787] el0t_64_sync+0x18c/0x190 [ 225.831596][ T5778] device hsr_slave_1 entered promiscuous mode [ 225.862461][ T5787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.866108][ T5787] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.892738][ T5778] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 225.894903][ T5778] Cannot create hsr debugfs directory [ 226.176333][ T5792] loop3: detected capacity change from 0 to 32768 [ 226.202663][ T5792] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 226.205119][ T5792] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 226.210050][ T5792] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 226.221476][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 226.224539][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 226.287995][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 63ms [ 226.290391][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 226.310911][ T5792] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 226.340990][ T4439] Bluetooth: hci18: command 0x0409 tx timeout [ 226.469173][ T5778] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 226.494064][ T5795] loop6: detected capacity change from 0 to 32768 [ 226.507897][ T5795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.510018][ T5795] CPU: 1 PID: 5795 Comm: syz.6.419 Not tainted 6.1.143-syzkaller #0 [ 226.512293][ T5795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 226.515171][ T5795] Call trace: [ 226.516101][ T5795] dump_backtrace+0x1c8/0x1f4 [ 226.517420][ T5795] show_stack+0x2c/0x3c [ 226.518552][ T5795] __dump_stack+0x30/0x40 [ 226.519750][ T5795] dump_stack_lvl+0xf8/0x160 [ 226.520982][ T5795] dump_stack+0x1c/0x5c [ 226.522150][ T5795] sysfs_create_dir_ns+0x22c/0x24c [ 226.523616][ T5795] kobject_add_internal+0x5a8/0xb30 [ 226.525138][ T5795] kobject_init_and_add+0x118/0x17c [ 226.526616][ T5795] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.527915][ T5795] gfs2_fill_super+0xdec/0x19ec [ 226.529268][ T5795] get_tree_bdev+0x358/0x544 [ 226.530530][ T5795] gfs2_get_tree+0x54/0x1b4 [ 226.531807][ T5795] vfs_get_tree+0x90/0x274 [ 226.533025][ T5795] do_new_mount+0x228/0x810 [ 226.534340][ T5795] path_mount+0x5b4/0xe78 [ 226.535568][ T5795] __arm64_sys_mount+0x49c/0x584 [ 226.536987][ T5795] invoke_syscall+0x98/0x2bc [ 226.538240][ T5795] el0_svc_common+0x138/0x258 [ 226.539542][ T5795] do_el0_svc+0x58/0x13c [ 226.540717][ T5795] el0_svc+0x58/0x138 [ 226.541835][ T5795] el0t_64_sync_handler+0x84/0xf0 [ 226.543251][ T5795] el0t_64_sync+0x18c/0x190 [ 226.685212][ T5778] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 226.712837][ T5796] loop7: detected capacity change from 0 to 32768 [ 226.731648][ T5796] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 226.734009][ T5796] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 226.737094][ T5795] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.740718][ T5795] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.747145][ T5796] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 226.754820][ T4403] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 226.756691][ T4403] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 226.814479][ T4403] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 226.816695][ T4403] gfs2: fsid=syz:syz.0: jid=0: Done [ 226.818307][ T5796] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 226.894366][ T5778] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 227.175406][ T5778] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 227.235682][ T5798] loop3: detected capacity change from 0 to 32768 [ 227.239440][ T5798] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 227.243829][ T5798] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 227.253006][ T5798] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 227.256379][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 227.258290][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 227.333570][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 75ms [ 227.335918][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 227.340041][ T5798] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 227.640159][ T5778] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 227.647010][ T5803] loop6: detected capacity change from 0 to 32768 [ 227.652794][ T5803] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 227.655091][ T5803] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 227.673977][ T5803] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 227.683035][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 227.685040][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 227.704055][ T5778] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 227.741714][ T5800] loop7: detected capacity change from 0 to 32768 [ 227.744648][ T5800] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.745463][ T5778] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 227.746952][ T5800] CPU: 1 PID: 5800 Comm: syz.7.422 Not tainted 6.1.143-syzkaller #0 [ 227.750881][ T5800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 227.753657][ T5800] Call trace: [ 227.754557][ T5800] dump_backtrace+0x1c8/0x1f4 [ 227.755904][ T5800] show_stack+0x2c/0x3c [ 227.757048][ T5800] __dump_stack+0x30/0x40 [ 227.758280][ T5800] dump_stack_lvl+0xf8/0x160 [ 227.759565][ T5800] dump_stack+0x1c/0x5c [ 227.760683][ T5800] sysfs_create_dir_ns+0x22c/0x24c [ 227.762052][ T5800] kobject_add_internal+0x5a8/0xb30 [ 227.763538][ T5800] kobject_init_and_add+0x118/0x17c [ 227.764990][ T5800] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.766290][ T5800] gfs2_fill_super+0xdec/0x19ec [ 227.767623][ T5800] get_tree_bdev+0x358/0x544 [ 227.768910][ T5800] gfs2_get_tree+0x54/0x1b4 [ 227.770164][ T5800] vfs_get_tree+0x90/0x274 [ 227.771370][ T5800] do_new_mount+0x228/0x810 [ 227.772702][ T5800] path_mount+0x5b4/0xe78 [ 227.773906][ T5800] __arm64_sys_mount+0x49c/0x584 [ 227.775285][ T5800] invoke_syscall+0x98/0x2bc [ 227.776560][ T5800] el0_svc_common+0x138/0x258 [ 227.777851][ T5800] do_el0_svc+0x58/0x13c [ 227.779043][ T5800] el0_svc+0x58/0x138 [ 227.780158][ T5800] el0t_64_sync_handler+0x84/0xf0 [ 227.781507][ T5800] el0t_64_sync+0x18c/0x190 [ 227.788164][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 103ms [ 227.793222][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 227.797415][ T5803] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 227.836900][ T5778] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 227.878224][ T5800] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.882081][ T5800] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.112509][ T5778] 8021q: adding VLAN 0 to HW filter on device bond0 [ 228.153565][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 228.156475][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 228.192431][ T5778] 8021q: adding VLAN 0 to HW filter on device team0 [ 228.213651][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 228.221486][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 228.231366][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 228.233361][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 228.235947][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 228.259808][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 228.263194][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 228.276342][ T4513] bridge0: port 2(bridge_slave_1) entered blocking state [ 228.278426][ T4513] bridge0: port 2(bridge_slave_1) entered forwarding state [ 228.282584][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 228.295214][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 228.310656][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 228.317151][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 228.325984][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 228.356918][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 228.365927][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 228.398853][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 228.405572][ T5805] loop3: detected capacity change from 0 to 32768 [ 228.409541][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 228.421531][ T4444] Bluetooth: hci18: command 0x041b tx timeout [ 228.425693][ T5805] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 228.428333][ T5778] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 228.439028][ T5778] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 228.441595][ T5805] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 228.453979][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 228.457032][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 228.480066][ T5805] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 228.493368][ T4484] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 228.495352][ T4484] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 228.566194][ T4484] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 70ms [ 228.568558][ T4484] gfs2: fsid=syz:syz.0: jid=0: Done [ 228.570011][ T5805] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 228.840605][ T5815] loop7: detected capacity change from 0 to 32768 [ 228.846440][ T5809] loop6: detected capacity change from 0 to 32768 [ 228.855168][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 228.857574][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 228.873113][ T5809] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 228.874710][ T5778] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 228.875343][ T5809] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 228.881121][ T5815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.883174][ T5815] CPU: 1 PID: 5815 Comm: syz.7.426 Not tainted 6.1.143-syzkaller #0 [ 228.885307][ T5815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 228.888101][ T5815] Call trace: [ 228.888989][ T5815] dump_backtrace+0x1c8/0x1f4 [ 228.890285][ T5815] show_stack+0x2c/0x3c [ 228.891423][ T5815] __dump_stack+0x30/0x40 [ 228.892579][ T5815] dump_stack_lvl+0xf8/0x160 [ 228.893847][ T5815] dump_stack+0x1c/0x5c [ 228.895016][ T5815] sysfs_create_dir_ns+0x22c/0x24c [ 228.896490][ T5815] kobject_add_internal+0x5a8/0xb30 [ 228.897946][ T5815] kobject_init_and_add+0x118/0x17c [ 228.899403][ T5815] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.900762][ T5815] gfs2_fill_super+0xdec/0x19ec [ 228.902154][ T5815] get_tree_bdev+0x358/0x544 [ 228.903440][ T5815] gfs2_get_tree+0x54/0x1b4 [ 228.904668][ T5815] vfs_get_tree+0x90/0x274 [ 228.905842][ T5815] do_new_mount+0x228/0x810 [ 228.907057][ T5815] path_mount+0x5b4/0xe78 [ 228.908237][ T5815] __arm64_sys_mount+0x49c/0x584 [ 228.909567][ T5815] invoke_syscall+0x98/0x2bc [ 228.910782][ T5815] el0_svc_common+0x138/0x258 [ 228.912107][ T5815] do_el0_svc+0x58/0x13c [ 228.913329][ T5815] el0_svc+0x58/0x138 [ 228.914397][ T5815] el0t_64_sync_handler+0x84/0xf0 [ 228.915832][ T5815] el0t_64_sync+0x18c/0x190 [ 228.920019][ T5809] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 228.942028][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 228.944020][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 228.964897][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 228.967968][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 228.994887][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 228.997785][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 229.004048][ T5778] device veth0_vlan entered promiscuous mode [ 229.006743][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 229.009721][ T4477] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 229.015273][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 71ms [ 229.018010][ T5778] device veth1_vlan entered promiscuous mode [ 229.021248][ T5815] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.021802][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 229.024964][ T5815] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.046451][ T5809] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 229.058463][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 229.063241][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 229.071247][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 229.081807][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 229.104506][ T5778] device veth0_macvtap entered promiscuous mode [ 229.112104][ T5778] device veth1_macvtap entered promiscuous mode [ 229.162417][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 229.165305][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 229.202069][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.205099][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.207724][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.210543][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.260939][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.264130][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.267041][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.269984][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.290910][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.293755][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.298786][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.330764][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.333529][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.336465][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.339220][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.360764][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.363544][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.366365][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.369103][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.400951][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.403787][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.406695][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.409390][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.430992][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.433825][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.436585][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.439289][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.470795][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.473585][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.476443][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.479071][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.510877][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.513726][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.516632][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.519269][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 229.540767][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.554787][ T5778] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 229.561181][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 229.564377][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 229.572329][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.575163][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.577845][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.580669][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.604908][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.607888][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.610633][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.630883][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.633672][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.636479][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.639250][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.662368][ T5819] loop3: detected capacity change from 0 to 32768 [ 229.671309][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.674014][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.676893][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.679593][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.682875][ T5819] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 229.685191][ T5819] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 229.694357][ T5819] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 229.707601][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 229.707787][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.709440][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 229.728009][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.732413][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.735093][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.737923][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.756306][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.759146][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.771038][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.781357][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.784944][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 75ms [ 229.787317][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 229.788771][ T5819] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 229.791344][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.801076][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.817230][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.820307][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.830945][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.833881][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.836666][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.850419][ T5823] loop7: detected capacity change from 0 to 32768 [ 229.859739][ T5823] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.862661][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.863509][ T5823] CPU: 1 PID: 5823 Comm: syz.7.428 Not tainted 6.1.143-syzkaller #0 [ 229.865358][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.867566][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 229.873086][ T5823] Call trace: [ 229.873994][ T5823] dump_backtrace+0x1c8/0x1f4 [ 229.875340][ T5823] show_stack+0x2c/0x3c [ 229.876520][ T5823] __dump_stack+0x30/0x40 [ 229.877747][ T5823] dump_stack_lvl+0xf8/0x160 [ 229.879047][ T5823] dump_stack+0x1c/0x5c [ 229.880246][ T5823] sysfs_create_dir_ns+0x22c/0x24c [ 229.881706][ T5823] kobject_add_internal+0x5a8/0xb30 [ 229.883159][ T5823] kobject_init_and_add+0x118/0x17c [ 229.884632][ T5823] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.886002][ T5823] gfs2_fill_super+0xdec/0x19ec [ 229.887430][ T5823] get_tree_bdev+0x358/0x544 [ 229.888734][ T5823] gfs2_get_tree+0x54/0x1b4 [ 229.890048][ T5823] vfs_get_tree+0x90/0x274 [ 229.891350][ T5823] do_new_mount+0x228/0x810 [ 229.892599][ T5823] path_mount+0x5b4/0xe78 [ 229.893843][ T5823] __arm64_sys_mount+0x49c/0x584 [ 229.895251][ T5823] invoke_syscall+0x98/0x2bc [ 229.896543][ T5823] el0_svc_common+0x138/0x258 [ 229.897848][ T5823] do_el0_svc+0x58/0x13c [ 229.899051][ T5823] el0_svc+0x58/0x138 [ 229.900155][ T5823] el0t_64_sync_handler+0x84/0xf0 [ 229.900893][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.901564][ T5823] el0t_64_sync+0x18c/0x190 [ 229.904321][ T5778] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 229.931129][ T5778] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 229.935841][ T5778] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 229.938125][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 229.953043][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 229.974921][ T5778] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 229.977423][ T5778] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 229.979844][ T5778] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:03:49 executed programs: 423 [ 230.001056][ T5778] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 230.011056][ T5823] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.016038][ T5823] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.048261][ T5825] loop6: detected capacity change from 0 to 32768 [ 230.082183][ T5825] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 230.084417][ T5825] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 230.129447][ T5825] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 230.135230][ T4403] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 230.137250][ T4403] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 230.207450][ T4403] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 70ms [ 230.222066][ T4403] gfs2: fsid=syz:syz.0: jid=0: Done [ 230.225851][ T5825] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 230.235900][ T4477] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 230.238380][ T4477] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 230.256560][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 230.297171][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 230.299664][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 230.326789][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 230.423161][ T4439] Bluetooth: hci5: command 0x0406 tx timeout [ 230.502315][ T4444] Bluetooth: hci18: command 0x040f tx timeout [ 230.716848][ T5828] loop3: detected capacity change from 0 to 32768 [ 230.734247][ T5828] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 230.736506][ T5828] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 230.751990][ T5828] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 230.761885][ T4484] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 230.763801][ T4484] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 230.825889][ T4484] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 62ms [ 230.828246][ T4484] gfs2: fsid=syz:syz.0: jid=0: Done [ 230.829717][ T5828] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 230.974613][ T5830] loop7: detected capacity change from 0 to 32768 [ 231.002520][ T5830] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 231.004726][ T5830] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 231.055430][ T5830] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 231.064539][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 231.066408][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 231.136046][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 69ms [ 231.153853][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 231.155476][ T5830] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 231.337353][ T5834] loop6: detected capacity change from 0 to 32768 [ 231.360523][ T5834] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 231.363049][ T5834] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 231.380265][ T5834] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 231.396935][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 231.398865][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 231.462582][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 63ms [ 231.464828][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 231.466423][ T5834] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 231.476987][ T5832] loop2: detected capacity change from 0 to 32768 [ 231.503170][ T5832] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.505274][ T5832] CPU: 0 PID: 5832 Comm: syz.2.415 Not tainted 6.1.143-syzkaller #0 [ 231.507455][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 231.510078][ T5832] Call trace: [ 231.510978][ T5832] dump_backtrace+0x1c8/0x1f4 [ 231.512242][ T5832] show_stack+0x2c/0x3c [ 231.513447][ T5832] __dump_stack+0x30/0x40 [ 231.514729][ T5832] dump_stack_lvl+0xf8/0x160 [ 231.516010][ T5832] dump_stack+0x1c/0x5c [ 231.517242][ T5832] sysfs_create_dir_ns+0x22c/0x24c [ 231.518699][ T5832] kobject_add_internal+0x5a8/0xb30 [ 231.520099][ T5832] kobject_init_and_add+0x118/0x17c [ 231.521657][ T5832] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.522923][ T5832] gfs2_fill_super+0xdec/0x19ec [ 231.524311][ T5832] get_tree_bdev+0x358/0x544 [ 231.525607][ T5832] gfs2_get_tree+0x54/0x1b4 [ 231.526839][ T5832] vfs_get_tree+0x90/0x274 [ 231.528043][ T5832] do_new_mount+0x228/0x810 [ 231.529321][ T5832] path_mount+0x5b4/0xe78 [ 231.530490][ T5832] __arm64_sys_mount+0x49c/0x584 [ 231.531776][ T5832] invoke_syscall+0x98/0x2bc [ 231.533017][ T5832] el0_svc_common+0x138/0x258 [ 231.534283][ T5832] do_el0_svc+0x58/0x13c [ 231.535411][ T5832] el0_svc+0x58/0x138 [ 231.536523][ T5832] el0t_64_sync_handler+0x84/0xf0 [ 231.537900][ T5832] el0t_64_sync+0x18c/0x190 [ 231.596705][ T5832] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.600454][ T5832] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.040120][ T5838] loop7: detected capacity change from 0 to 32768 [ 232.066969][ T5838] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 232.069257][ T5838] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 232.077790][ T5838] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 232.086604][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 232.088509][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 232.153175][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 64ms [ 232.167202][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 232.168817][ T5838] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 232.262955][ T5841] loop6: detected capacity change from 0 to 32768 [ 232.270327][ T5841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.273161][ T5841] CPU: 0 PID: 5841 Comm: syz.6.435 Not tainted 6.1.143-syzkaller #0 [ 232.275358][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 232.278025][ T5841] Call trace: [ 232.278917][ T5841] dump_backtrace+0x1c8/0x1f4 [ 232.280229][ T5841] show_stack+0x2c/0x3c [ 232.281357][ T5841] __dump_stack+0x30/0x40 [ 232.282543][ T5841] dump_stack_lvl+0xf8/0x160 [ 232.283823][ T5841] dump_stack+0x1c/0x5c [ 232.284950][ T5841] sysfs_create_dir_ns+0x22c/0x24c [ 232.286376][ T5841] kobject_add_internal+0x5a8/0xb30 [ 232.287810][ T5841] kobject_init_and_add+0x118/0x17c [ 232.289349][ T5841] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.290635][ T5841] gfs2_fill_super+0xdec/0x19ec [ 232.291955][ T5841] get_tree_bdev+0x358/0x544 [ 232.293232][ T5841] gfs2_get_tree+0x54/0x1b4 [ 232.294434][ T5841] vfs_get_tree+0x90/0x274 [ 232.295640][ T5841] do_new_mount+0x228/0x810 [ 232.296848][ T5841] path_mount+0x5b4/0xe78 [ 232.297988][ T5841] __arm64_sys_mount+0x49c/0x584 [ 232.299370][ T5841] invoke_syscall+0x98/0x2bc [ 232.300587][ T5841] el0_svc_common+0x138/0x258 [ 232.301913][ T5841] do_el0_svc+0x58/0x13c [ 232.303188][ T5841] el0_svc+0x58/0x138 [ 232.304260][ T5841] el0t_64_sync_handler+0x84/0xf0 [ 232.305615][ T5841] el0t_64_sync+0x18c/0x190 [ 232.307263][ T5841] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.310993][ T5841] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.554311][ T5843] loop2: detected capacity change from 0 to 32768 [ 232.564320][ T5843] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 232.566577][ T5843] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 232.577160][ T5843] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 232.582377][ T4439] Bluetooth: hci18: command 0x0419 tx timeout [ 232.590693][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 232.592933][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 232.634670][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 41ms [ 232.647617][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 232.649269][ T5843] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 232.849313][ T5846] loop7: detected capacity change from 0 to 32768 [ 232.853037][ T5846] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 232.855386][ T5846] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 232.860113][ T5846] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 232.863748][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 232.865626][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 232.921371][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 55ms [ 232.923675][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 232.925153][ T5846] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 233.119089][ T4439] Bluetooth: hci19: unexpected cc 0x0c03 length: 249 > 1 [ 233.122498][ T4439] Bluetooth: hci19: unexpected cc 0x1003 length: 249 > 9 [ 233.125518][ T4439] Bluetooth: hci19: unexpected cc 0x1001 length: 249 > 9 [ 233.128621][ T4439] Bluetooth: hci19: unexpected cc 0x0c23 length: 249 > 4 [ 233.133969][ T4439] Bluetooth: hci19: unexpected cc 0x0c25 length: 249 > 3 [ 233.136272][ T4439] Bluetooth: hci19: unexpected cc 0x0c38 length: 249 > 2 [ 233.555521][ T5848] loop6: detected capacity change from 0 to 32768 [ 233.588315][ T5848] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 233.615160][ T5848] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 233.631536][ T5848] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 233.651283][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 233.653270][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 233.711755][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 58ms [ 233.715529][ T5851] loop2: detected capacity change from 0 to 32768 [ 233.734254][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 233.735763][ T5848] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 233.739771][ T5851] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.751035][ T5851] CPU: 1 PID: 5851 Comm: syz.2.439 Not tainted 6.1.143-syzkaller #0 [ 233.753339][ T5851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.756276][ T5851] Call trace: [ 233.757255][ T5851] dump_backtrace+0x1c8/0x1f4 [ 233.758622][ T5851] show_stack+0x2c/0x3c [ 233.759786][ T5851] __dump_stack+0x30/0x40 [ 233.761011][ T5851] dump_stack_lvl+0xf8/0x160 [ 233.762328][ T5851] dump_stack+0x1c/0x5c [ 233.763569][ T5851] sysfs_create_dir_ns+0x22c/0x24c [ 233.764984][ T5851] kobject_add_internal+0x5a8/0xb30 [ 233.766435][ T5851] kobject_init_and_add+0x118/0x17c [ 233.767926][ T5851] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.769362][ T5851] gfs2_fill_super+0xdec/0x19ec [ 233.770773][ T5851] get_tree_bdev+0x358/0x544 [ 233.772122][ T5851] gfs2_get_tree+0x54/0x1b4 [ 233.773437][ T5851] vfs_get_tree+0x90/0x274 [ 233.774658][ T5851] do_new_mount+0x228/0x810 [ 233.775893][ T5851] path_mount+0x5b4/0xe78 [ 233.777091][ T5851] __arm64_sys_mount+0x49c/0x584 [ 233.778487][ T5851] invoke_syscall+0x98/0x2bc [ 233.779728][ T5851] el0_svc_common+0x138/0x258 [ 233.781031][ T5851] do_el0_svc+0x58/0x13c [ 233.782246][ T5851] el0_svc+0x58/0x138 [ 233.783351][ T5851] el0t_64_sync_handler+0x84/0xf0 [ 233.784811][ T5851] el0t_64_sync+0x18c/0x190 [ 233.855280][ T5851] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.858858][ T5851] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.879110][ T5852] chnl_net:caif_netlink_parms(): no params data found [ 233.885847][ T5855] loop7: detected capacity change from 0 to 32768 [ 233.909714][ T5855] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.919771][ T5855] CPU: 1 PID: 5855 Comm: syz.7.441 Not tainted 6.1.143-syzkaller #0 [ 233.922077][ T5855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 233.924922][ T5855] Call trace: [ 233.925833][ T5855] dump_backtrace+0x1c8/0x1f4 [ 233.927124][ T5855] show_stack+0x2c/0x3c [ 233.928288][ T5855] __dump_stack+0x30/0x40 [ 233.929507][ T5855] dump_stack_lvl+0xf8/0x160 [ 233.930750][ T5855] dump_stack+0x1c/0x5c [ 233.931974][ T5855] sysfs_create_dir_ns+0x22c/0x24c [ 233.933422][ T5855] kobject_add_internal+0x5a8/0xb30 [ 233.934955][ T5855] kobject_init_and_add+0x118/0x17c [ 233.936389][ T5855] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.937764][ T5855] gfs2_fill_super+0xdec/0x19ec [ 233.939146][ T5855] get_tree_bdev+0x358/0x544 [ 233.940474][ T5855] gfs2_get_tree+0x54/0x1b4 [ 233.941673][ T5855] vfs_get_tree+0x90/0x274 [ 233.942909][ T5855] do_new_mount+0x228/0x810 [ 233.944210][ T5855] path_mount+0x5b4/0xe78 [ 233.945370][ T5855] __arm64_sys_mount+0x49c/0x584 [ 233.946696][ T5855] invoke_syscall+0x98/0x2bc [ 233.948088][ T5855] el0_svc_common+0x138/0x258 [ 233.949503][ T5855] do_el0_svc+0x58/0x13c [ 233.950761][ T5855] el0_svc+0x58/0x138 [ 233.951948][ T5855] el0t_64_sync_handler+0x84/0xf0 [ 233.953439][ T5855] el0t_64_sync+0x18c/0x190 [ 234.051650][ T5855] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.055348][ T5855] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.161520][ T5852] bridge0: port 1(bridge_slave_0) entered blocking state [ 234.163581][ T5852] bridge0: port 1(bridge_slave_0) entered disabled state [ 234.166581][ T5852] device bridge_slave_0 entered promiscuous mode [ 234.170167][ T5852] bridge0: port 2(bridge_slave_1) entered blocking state [ 234.225390][ T5852] bridge0: port 2(bridge_slave_1) entered disabled state [ 234.243386][ T5852] device bridge_slave_1 entered promiscuous mode [ 234.385965][ T5852] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 234.402331][ T5852] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 234.491190][ T5852] team0: Port device team_slave_0 added [ 234.506724][ T5852] team0: Port device team_slave_1 added [ 234.531830][ T5865] loop6: detected capacity change from 0 to 32768 [ 234.535506][ T5865] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 234.541061][ T5865] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 234.545924][ T5870] loop2: detected capacity change from 0 to 32768 [ 234.548824][ T5865] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 234.558617][ T5870] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.559064][ T5852] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 234.560983][ T5870] CPU: 1 PID: 5870 Comm: syz.2.443 Not tainted 6.1.143-syzkaller #0 [ 234.565043][ T5870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 234.567867][ T5870] Call trace: [ 234.568457][ T5852] 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. [ 234.568783][ T5870] dump_backtrace+0x1c8/0x1f4 [ 234.577529][ T5870] show_stack+0x2c/0x3c [ 234.578713][ T5870] __dump_stack+0x30/0x40 [ 234.579979][ T5870] dump_stack_lvl+0xf8/0x160 [ 234.581265][ T5870] dump_stack+0x1c/0x5c [ 234.582434][ T5870] sysfs_create_dir_ns+0x22c/0x24c [ 234.583948][ T5870] kobject_add_internal+0x5a8/0xb30 [ 234.585418][ T5870] kobject_init_and_add+0x118/0x17c [ 234.586589][ T5852] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 234.587019][ T5870] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.591287][ T5870] gfs2_fill_super+0xdec/0x19ec [ 234.591939][ T5852] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 234.592640][ T5870] get_tree_bdev+0x358/0x544 [ 234.594644][ T5852] 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. [ 234.595893][ T5870] gfs2_get_tree+0x54/0x1b4 [ 234.604396][ T5870] vfs_get_tree+0x90/0x274 [ 234.605639][ T5870] do_new_mount+0x228/0x810 [ 234.606914][ T5870] path_mount+0x5b4/0xe78 [ 234.608115][ T5870] __arm64_sys_mount+0x49c/0x584 [ 234.609611][ T5870] invoke_syscall+0x98/0x2bc [ 234.610884][ T5870] el0_svc_common+0x138/0x258 [ 234.611426][ T5852] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 234.612185][ T5870] do_el0_svc+0x58/0x13c [ 234.616569][ T5870] el0_svc+0x58/0x138 [ 234.617744][ T5870] el0t_64_sync_handler+0x84/0xf0 [ 234.619227][ T5870] el0t_64_sync+0x18c/0x190 [ 234.628439][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 234.630454][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 234.707520][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 77ms [ 234.717878][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 234.719352][ T5865] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 234.726848][ T5870] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.743227][ T5870] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.897635][ T5873] loop7: detected capacity change from 0 to 32768 [ 234.907714][ T5852] device hsr_slave_0 entered promiscuous mode [ 234.911755][ T5873] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 234.914031][ T5873] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 234.924024][ T5873] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 234.962302][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 234.968527][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 234.971511][ T5852] device hsr_slave_1 entered promiscuous mode [ 235.001359][ T5852] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 235.003499][ T5852] Cannot create hsr debugfs directory [ 235.046331][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 77ms [ 235.048822][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 235.050313][ T5873] gfs2: fsid=syz:syz.0: first mount done, others may mount 1970/01/01 00:03:55 executed programs: 439 [ 235.142001][ T4439] Bluetooth: hci19: command 0x0409 tx timeout [ 235.464927][ T5852] netdevsim netdevsim9 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 235.652868][ T5852] netdevsim netdevsim9 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 235.727282][ T5876] loop6: detected capacity change from 0 to 32768 [ 235.751393][ T5876] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 235.753700][ T5876] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 235.772709][ T5876] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 235.782471][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 235.784451][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 235.784788][ T5880] loop7: detected capacity change from 0 to 32768 [ 235.802872][ T5852] netdevsim netdevsim9 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 235.817618][ T5880] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.819663][ T5880] CPU: 0 PID: 5880 Comm: syz.7.447 Not tainted 6.1.143-syzkaller #0 [ 235.821906][ T5880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.824845][ T5880] Call trace: [ 235.825756][ T5880] dump_backtrace+0x1c8/0x1f4 [ 235.827081][ T5880] show_stack+0x2c/0x3c [ 235.828236][ T5880] __dump_stack+0x30/0x40 [ 235.829492][ T5880] dump_stack_lvl+0xf8/0x160 [ 235.830760][ T5880] dump_stack+0x1c/0x5c [ 235.831942][ T5880] sysfs_create_dir_ns+0x22c/0x24c [ 235.833423][ T5880] kobject_add_internal+0x5a8/0xb30 [ 235.834876][ T5880] kobject_init_and_add+0x118/0x17c [ 235.836443][ T5880] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.837747][ T5880] gfs2_fill_super+0xdec/0x19ec [ 235.839094][ T5880] get_tree_bdev+0x358/0x544 [ 235.840442][ T5880] gfs2_get_tree+0x54/0x1b4 [ 235.841691][ T5880] vfs_get_tree+0x90/0x274 [ 235.842927][ T5880] do_new_mount+0x228/0x810 [ 235.844194][ T5880] path_mount+0x5b4/0xe78 [ 235.845474][ T5880] __arm64_sys_mount+0x49c/0x584 [ 235.846838][ T5880] invoke_syscall+0x98/0x2bc [ 235.848117][ T5880] el0_svc_common+0x138/0x258 [ 235.849435][ T5880] do_el0_svc+0x58/0x13c [ 235.850607][ T5880] el0_svc+0x58/0x138 [ 235.851785][ T5880] el0t_64_sync_handler+0x84/0xf0 [ 235.853152][ T5880] el0t_64_sync+0x18c/0x190 [ 235.865263][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 80ms [ 235.865901][ T5880] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.867526][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 235.871794][ T5880] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.881652][ T5876] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 235.882510][ T5878] loop2: detected capacity change from 0 to 32768 [ 235.910431][ T5878] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.920911][ T5878] CPU: 0 PID: 5878 Comm: syz.2.446 Not tainted 6.1.143-syzkaller #0 [ 235.923147][ T5878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 235.925938][ T5878] Call trace: [ 235.926859][ T5878] dump_backtrace+0x1c8/0x1f4 [ 235.928181][ T5878] show_stack+0x2c/0x3c [ 235.929332][ T5878] __dump_stack+0x30/0x40 [ 235.930515][ T5878] dump_stack_lvl+0xf8/0x160 [ 235.931827][ T5878] dump_stack+0x1c/0x5c [ 235.932998][ T5878] sysfs_create_dir_ns+0x22c/0x24c [ 235.934452][ T5878] kobject_add_internal+0x5a8/0xb30 [ 235.935915][ T5878] kobject_init_and_add+0x118/0x17c [ 235.937300][ T5878] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.938643][ T5878] gfs2_fill_super+0xdec/0x19ec [ 235.939971][ T5878] get_tree_bdev+0x358/0x544 [ 235.941256][ T5878] gfs2_get_tree+0x54/0x1b4 [ 235.942507][ T5878] vfs_get_tree+0x90/0x274 [ 235.943754][ T5878] do_new_mount+0x228/0x810 [ 235.945033][ T5878] path_mount+0x5b4/0xe78 [ 235.946236][ T5878] __arm64_sys_mount+0x49c/0x584 [ 235.947638][ T5878] invoke_syscall+0x98/0x2bc [ 235.948953][ T5878] el0_svc_common+0x138/0x258 [ 235.950328][ T5878] do_el0_svc+0x58/0x13c [ 235.951531][ T5878] el0_svc+0x58/0x138 [ 235.952641][ T5878] el0t_64_sync_handler+0x84/0xf0 [ 235.954038][ T5878] el0t_64_sync+0x18c/0x190 [ 235.971270][ T4330] I/O error, dev loop7, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 236.006235][ T5878] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.009950][ T5878] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.073827][ T5852] netdevsim netdevsim9 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 236.429077][ T5852] netdevsim netdevsim9 netdevsim0: renamed from eth0 [ 236.472985][ T5852] netdevsim netdevsim9 netdevsim1: renamed from eth1 [ 236.533153][ T5852] netdevsim netdevsim9 netdevsim2: renamed from eth2 [ 236.556413][ T5882] loop6: detected capacity change from 0 to 32768 [ 236.562801][ T5882] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 236.577916][ T5882] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 236.584923][ T5882] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 236.588240][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 236.590120][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 236.603542][ T5852] netdevsim netdevsim9 netdevsim3: renamed from eth3 [ 236.646432][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 56ms [ 236.649436][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 236.656583][ T5882] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 236.846012][ T5884] loop2: detected capacity change from 0 to 32768 [ 236.892355][ T5884] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 236.894767][ T5884] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 236.913282][ T5884] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 236.931315][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 236.933192][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 236.941200][ T5852] 8021q: adding VLAN 0 to HW filter on device bond0 [ 236.986551][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 236.989383][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 237.008754][ T5852] 8021q: adding VLAN 0 to HW filter on device team0 [ 237.011597][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 78ms [ 237.013843][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 237.015309][ T5884] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 237.031802][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 237.034792][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 237.037662][ T1686] bridge0: port 1(bridge_slave_0) entered blocking state [ 237.039694][ T1686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 237.101092][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 237.104464][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 237.132272][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 237.161385][ T1686] bridge0: port 2(bridge_slave_1) entered blocking state [ 237.163482][ T1686] bridge0: port 2(bridge_slave_1) entered forwarding state [ 237.165983][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 237.192156][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 237.199569][ T5886] loop7: detected capacity change from 0 to 32768 [ 237.207679][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 237.214873][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 237.221833][ T4439] Bluetooth: hci19: command 0x041b tx timeout [ 237.222306][ T5886] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 237.231241][ T5886] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 237.242611][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 237.252401][ T5886] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 237.255484][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 237.258736][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 237.264771][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 237.296181][ T4484] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 237.298044][ T4484] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 237.302288][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 237.308519][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 237.341926][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 237.349434][ T5852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 237.392527][ T4484] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 94ms [ 237.394964][ T4484] gfs2: fsid=syz:syz.0: jid=0: Done [ 237.396566][ T5886] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 237.522350][ T5894] loop6: detected capacity change from 0 to 32768 [ 237.545657][ T5894] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 237.548023][ T5894] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 237.555238][ T5894] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 237.561148][ T4484] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 237.563117][ T4484] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 237.616523][ T4484] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms [ 237.619038][ T4484] gfs2: fsid=syz:syz.0: jid=0: Done [ 237.620558][ T5894] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 237.851678][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 237.854063][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 237.877002][ T5852] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 237.961830][ T5896] loop2: detected capacity change from 0 to 32768 [ 237.981901][ T5896] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 237.984297][ T5896] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 238.012720][ T5896] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 238.033958][ T4405] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 238.036113][ T4405] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 238.122617][ T4405] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 86ms [ 238.124926][ T4405] gfs2: fsid=syz:syz.0: jid=0: Done [ 238.126379][ T5896] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 238.337165][ T5900] loop7: detected capacity change from 0 to 32768 [ 238.369724][ T5900] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 238.372239][ T5900] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 238.403130][ T5900] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 238.417991][ T4484] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 238.419803][ T4484] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 238.446309][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 238.449390][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 238.494951][ T4484] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 75ms [ 238.497291][ T4484] gfs2: fsid=syz:syz.0: jid=0: Done [ 238.498757][ T5900] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 238.534727][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 238.537740][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 238.551583][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 238.571377][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 238.574998][ T5852] device veth0_vlan entered promiscuous mode [ 238.600697][ T5852] device veth1_vlan entered promiscuous mode [ 238.666696][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 238.669606][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 238.692383][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 238.695474][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 238.711544][ T5852] device veth0_macvtap entered promiscuous mode [ 238.733552][ T5852] device veth1_macvtap entered promiscuous mode [ 238.756363][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.759253][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.780677][ T5904] loop6: detected capacity change from 0 to 32768 [ 238.790834][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.793854][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.796601][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.799376][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.811471][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.814443][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.817267][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.831020][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.831723][ T5904] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 238.836722][ T5904] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 238.838721][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.848455][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.852841][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.855953][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.858690][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.867179][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.870209][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.881201][ T5904] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 238.884266][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.887083][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.890078][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.893867][ T4405] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 238.895808][ T4405] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 238.921723][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.924675][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.927317][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.930209][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.948740][ T4405] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 52ms [ 238.950863][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.953778][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.956535][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 238.959431][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 238.971041][ T4405] gfs2: fsid=syz:syz.0: jid=0: Done [ 238.972538][ T5904] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 238.988970][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 239.000857][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.003645][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 239.006748][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.009469][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 239.020968][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.024972][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 239.027916][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.036096][ T5910] loop2: detected capacity change from 0 to 32768 [ 239.041063][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 239.047632][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.050219][ T5910] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.055707][ T5910] CPU: 0 PID: 5910 Comm: syz.2.455 Not tainted 6.1.143-syzkaller #0 [ 239.057840][ T5910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 239.060595][ T5910] Call trace: [ 239.061542][ T5910] dump_backtrace+0x1c8/0x1f4 [ 239.062913][ T5910] show_stack+0x2c/0x3c [ 239.064201][ T5910] __dump_stack+0x30/0x40 [ 239.065426][ T5910] dump_stack_lvl+0xf8/0x160 [ 239.066722][ T5910] dump_stack+0x1c/0x5c [ 239.067914][ T5910] sysfs_create_dir_ns+0x22c/0x24c [ 239.069347][ T5910] kobject_add_internal+0x5a8/0xb30 [ 239.070826][ T5910] kobject_init_and_add+0x118/0x17c [ 239.072234][ T5910] gfs2_sys_fs_add+0x1dc/0x3d8 [ 239.073165][ T5852] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 239.073637][ T5910] gfs2_fill_super+0xdec/0x19ec [ 239.076987][ T5910] get_tree_bdev+0x358/0x544 [ 239.078249][ T5910] gfs2_get_tree+0x54/0x1b4 [ 239.079511][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.079537][ T5910] vfs_get_tree+0x90/0x274 [ 239.083666][ T5910] do_new_mount+0x228/0x810 [ 239.084910][ T5910] path_mount+0x5b4/0xe78 [ 239.086286][ T5910] __arm64_sys_mount+0x49c/0x584 [ 239.087723][ T5910] invoke_syscall+0x98/0x2bc [ 239.089001][ T5910] el0_svc_common+0x138/0x258 [ 239.090370][ T5910] do_el0_svc+0x58/0x13c [ 239.091747][ T5910] el0_svc+0x58/0x138 [ 239.092925][ T5910] el0t_64_sync_handler+0x84/0xf0 [ 239.094379][ T5910] el0t_64_sync+0x18c/0x190 [ 239.102433][ T5910] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.106514][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.108964][ T5910] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.109448][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.143444][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.146409][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.149383][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.172185][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.175159][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.177787][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.180651][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.210874][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.213781][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.216575][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.219479][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.230963][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.235146][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.238045][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.241068][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.243739][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.246426][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.249179][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.270879][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.273781][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.276735][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.279514][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.291604][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.294363][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.297208][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.299922][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.304175][ T4444] Bluetooth: hci19: command 0x040f tx timeout [ 239.311003][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.313761][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.316755][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.319359][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.340820][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.343738][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.346552][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.349340][ T5852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 239.360843][ T5852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 239.390988][ T5852] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 239.401232][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 239.404114][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 239.406870][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 239.441586][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 239.471887][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 239.475118][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 239.497223][ T5852] netdevsim netdevsim9 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.499724][ T5852] netdevsim netdevsim9 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.510870][ T5852] netdevsim netdevsim9 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.513330][ T5852] netdevsim netdevsim9 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 239.655861][ T5914] loop7: detected capacity change from 0 to 32768 [ 239.677175][ T5914] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 239.679553][ T5914] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 239.697858][ T5914] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 239.711840][ T4610] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 239.714173][ T4610] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 239.718105][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 239.734555][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 239.736464][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 239.792003][ T4540] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 239.794436][ T4540] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 239.798425][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 239.816695][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 80ms [ 239.819036][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 239.820527][ T5914] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 240.131041][ T5919] loop6: detected capacity change from 0 to 32768 [ 240.135682][ T5919] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 240.138034][ T5919] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 240.166549][ T5919] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 240.174523][ T4484] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 240.176433][ T4484] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 240.241433][ T4484] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 65ms [ 240.251143][ T4484] gfs2: fsid=syz:syz.0: jid=0: Done [ 240.266769][ T5919] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 240.338106][ T5920] loop2: detected capacity change from 0 to 32768 [ 240.363534][ T5920] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.365551][ T5920] CPU: 0 PID: 5920 Comm: syz.2.458 Not tainted 6.1.143-syzkaller #0 [ 240.367754][ T5920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.370706][ T5920] Call trace: [ 240.371601][ T5920] dump_backtrace+0x1c8/0x1f4 [ 240.372936][ T5920] show_stack+0x2c/0x3c [ 240.374094][ T5920] __dump_stack+0x30/0x40 [ 240.375425][ T5920] dump_stack_lvl+0xf8/0x160 [ 240.376702][ T5920] dump_stack+0x1c/0x5c [ 240.377863][ T5920] sysfs_create_dir_ns+0x22c/0x24c [ 240.379299][ T5920] kobject_add_internal+0x5a8/0xb30 [ 240.380801][ T5920] kobject_init_and_add+0x118/0x17c [ 240.382275][ T5920] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.383593][ T5920] gfs2_fill_super+0xdec/0x19ec [ 240.384978][ T5920] get_tree_bdev+0x358/0x544 [ 240.386399][ T5920] gfs2_get_tree+0x54/0x1b4 [ 240.387635][ T5920] vfs_get_tree+0x90/0x274 [ 240.388831][ T5920] do_new_mount+0x228/0x810 [ 240.390099][ T5920] path_mount+0x5b4/0xe78 [ 240.391260][ T5920] __arm64_sys_mount+0x49c/0x584 [ 240.392624][ T5920] invoke_syscall+0x98/0x2bc [ 240.393902][ T5920] el0_svc_common+0x138/0x258 [ 240.395217][ T5920] do_el0_svc+0x58/0x13c [ 240.396402][ T5920] el0_svc+0x58/0x138 [ 240.397477][ T5920] el0t_64_sync_handler+0x84/0xf0 [ 240.398903][ T5920] el0t_64_sync+0x18c/0x190 1970/01/01 00:04:00 executed programs: 454 [ 240.532828][ T5920] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.536784][ T5920] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.661632][ T4444] Bluetooth: hci6: command 0x0406 tx timeout [ 240.784964][ T5922] loop9: detected capacity change from 0 to 32768 [ 240.788587][ T5924] loop7: detected capacity change from 0 to 32768 [ 240.802055][ T5924] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.802727][ T5922] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 240.804165][ T5924] CPU: 1 PID: 5924 Comm: syz.7.459 Not tainted 6.1.143-syzkaller #0 [ 240.806383][ T5922] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 240.808588][ T5924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 240.808599][ T5924] Call trace: [ 240.808603][ T5924] dump_backtrace+0x1c8/0x1f4 [ 240.808624][ T5924] show_stack+0x2c/0x3c [ 240.808632][ T5924] __dump_stack+0x30/0x40 [ 240.808646][ T5924] dump_stack_lvl+0xf8/0x160 [ 240.808658][ T5924] dump_stack+0x1c/0x5c [ 240.820224][ T5924] sysfs_create_dir_ns+0x22c/0x24c [ 240.821665][ T5924] kobject_add_internal+0x5a8/0xb30 [ 240.823157][ T5924] kobject_init_and_add+0x118/0x17c [ 240.824684][ T5924] gfs2_sys_fs_add+0x1dc/0x3d8 [ 240.826024][ T5924] gfs2_fill_super+0xdec/0x19ec [ 240.827386][ T5924] get_tree_bdev+0x358/0x544 [ 240.828657][ T5924] gfs2_get_tree+0x54/0x1b4 [ 240.829926][ T5924] vfs_get_tree+0x90/0x274 [ 240.831164][ T5924] do_new_mount+0x228/0x810 [ 240.832415][ T5924] path_mount+0x5b4/0xe78 [ 240.833704][ T5924] __arm64_sys_mount+0x49c/0x584 [ 240.834213][ T5922] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 240.835117][ T5924] invoke_syscall+0x98/0x2bc [ 240.838273][ T4484] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 240.838473][ T5924] el0_svc_common+0x138/0x258 [ 240.840424][ T4484] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 240.841708][ T5924] do_el0_svc+0x58/0x13c [ 240.841726][ T5924] el0_svc+0x58/0x138 [ 240.841741][ T5924] el0t_64_sync_handler+0x84/0xf0 [ 240.841753][ T5924] el0t_64_sync+0x18c/0x190 [ 240.897809][ T4484] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 240.900059][ T4484] gfs2: fsid=syz:syz.0: jid=0: Done [ 240.910912][ T5922] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 240.955104][ T5924] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.975345][ T5924] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.099611][ T5926] loop6: detected capacity change from 0 to 32768 [ 241.113694][ T5926] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 241.116017][ T5926] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 241.134698][ T5926] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 241.138008][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 241.139798][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 241.217408][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 77ms [ 241.219782][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 241.235312][ T5926] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 241.381072][ T4439] Bluetooth: hci19: command 0x0419 tx timeout [ 241.662351][ T5928] loop2: detected capacity change from 0 to 32768 [ 241.674523][ T5928] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 241.676867][ T5928] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 241.714502][ T5928] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 241.721823][ T4403] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 241.723746][ T4403] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 241.802087][ T4403] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 78ms [ 241.811189][ T4403] gfs2: fsid=syz:syz.0: jid=0: Done [ 241.812675][ T5928] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 242.148427][ T5935] loop6: detected capacity change from 0 to 32768 [ 242.168691][ T5935] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 242.171318][ T5935] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 242.188471][ T5935] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 242.191873][ T4407] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 242.193774][ T4407] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 242.242961][ T4407] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 49ms [ 242.246309][ T4407] gfs2: fsid=syz:syz.0: jid=0: Done [ 242.247827][ T5935] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 242.615717][ T5937] loop2: detected capacity change from 0 to 32768 [ 242.623291][ T5937] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 242.630915][ T5937] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 242.636665][ T5937] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 242.643260][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 242.645064][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 242.689565][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms [ 242.696504][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 242.697975][ T5937] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 242.909533][ T5941] loop6: detected capacity change from 0 to 32768 [ 242.928171][ T5941] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 242.930533][ T5941] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 242.944218][ T5941] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 242.947595][ T4403] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 242.949525][ T4403] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 242.976257][ T4403] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 26ms [ 242.978568][ T4403] gfs2: fsid=syz:syz.0: jid=0: Done [ 242.980067][ T5941] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 243.339465][ T5943] loop2: detected capacity change from 0 to 32768 [ 243.371290][ T5943] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 243.373551][ T5943] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 243.379158][ T5943] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 243.384074][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 243.385889][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 243.421796][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 35ms [ 243.424509][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 243.428329][ T5943] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 243.676600][ T5945] loop6: detected capacity change from 0 to 32768 [ 243.694113][ T5945] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 243.696603][ T5945] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 243.721648][ T5945] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 243.731957][ T4407] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 243.737249][ T4407] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 243.811302][ T4407] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 74ms [ 243.814645][ T4407] gfs2: fsid=syz:syz.0: jid=0: Done [ 243.816144][ T5945] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 244.086705][ T5947] loop2: detected capacity change from 0 to 32768 [ 244.104292][ T5947] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 244.109322][ T5947] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 244.130155][ T5947] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 244.135175][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 244.137062][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 244.178177][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 41ms [ 244.188990][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 244.198997][ T5947] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 244.412546][ T5949] loop6: detected capacity change from 0 to 32768 [ 244.422999][ T5949] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 244.425280][ T5949] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 244.434322][ T5949] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 244.439119][ T4407] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 244.441486][ T4407] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 244.489268][ T4407] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 47ms [ 244.493937][ T4407] gfs2: fsid=syz:syz.0: jid=0: Done [ 244.495409][ T5949] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 244.986515][ T5953] loop6: detected capacity change from 0 to 32768 [ 244.989854][ T5951] loop2: detected capacity change from 0 to 32768 [ 244.993697][ T5953] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 244.996034][ T5953] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 244.999249][ T5951] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.001814][ T5951] CPU: 0 PID: 5951 Comm: syz.2.471 Not tainted 6.1.143-syzkaller #0 [ 245.003963][ T5951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.006699][ T5951] Call trace: [ 245.007606][ T5951] dump_backtrace+0x1c8/0x1f4 [ 245.008844][ T5951] show_stack+0x2c/0x3c [ 245.010011][ T5951] __dump_stack+0x30/0x40 [ 245.011237][ T5951] dump_stack_lvl+0xf8/0x160 [ 245.012547][ T5951] dump_stack+0x1c/0x5c [ 245.013750][ T5951] sysfs_create_dir_ns+0x22c/0x24c [ 245.015174][ T5951] kobject_add_internal+0x5a8/0xb30 [ 245.016632][ T5951] kobject_init_and_add+0x118/0x17c [ 245.018062][ T5951] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.019405][ T5951] gfs2_fill_super+0xdec/0x19ec [ 245.020690][ T5951] get_tree_bdev+0x358/0x544 [ 245.021934][ T5951] gfs2_get_tree+0x54/0x1b4 [ 245.023162][ T5951] vfs_get_tree+0x90/0x274 [ 245.024365][ T5951] do_new_mount+0x228/0x810 [ 245.025624][ T5951] path_mount+0x5b4/0xe78 [ 245.026837][ T5951] __arm64_sys_mount+0x49c/0x584 [ 245.028215][ T5951] invoke_syscall+0x98/0x2bc [ 245.029511][ T5951] el0_svc_common+0x138/0x258 [ 245.030765][ T5951] do_el0_svc+0x58/0x13c [ 245.031947][ T5951] el0_svc+0x58/0x138 [ 245.033093][ T5951] el0t_64_sync_handler+0x84/0xf0 [ 245.034511][ T5951] el0t_64_sync+0x18c/0x190 [ 245.038370][ T5951] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.042991][ T5951] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.047035][ T5953] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 245.050857][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 245.052739][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 245.110214][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 245.112917][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 245.114515][ T5953] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 245.636308][ T5955] loop2: detected capacity change from 0 to 32768 [ 245.661775][ T5955] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 245.664073][ T5955] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 245.686776][ T5955] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 245.692073][ T4407] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 245.693974][ T4407] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 245.710546][ T5957] loop6: detected capacity change from 0 to 32768 [ 245.729026][ T5957] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.734774][ T5957] CPU: 1 PID: 5957 Comm: syz.6.474 Not tainted 6.1.143-syzkaller #0 [ 245.737010][ T5957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 245.739754][ T5957] Call trace: [ 245.740605][ T5957] dump_backtrace+0x1c8/0x1f4 [ 245.741903][ T5957] show_stack+0x2c/0x3c [ 245.743049][ T5957] __dump_stack+0x30/0x40 [ 245.744279][ T5957] dump_stack_lvl+0xf8/0x160 [ 245.745585][ T5957] dump_stack+0x1c/0x5c [ 245.746814][ T5957] sysfs_create_dir_ns+0x22c/0x24c [ 245.748259][ T5957] kobject_add_internal+0x5a8/0xb30 [ 245.749693][ T5957] kobject_init_and_add+0x118/0x17c [ 245.751171][ T5957] gfs2_sys_fs_add+0x1dc/0x3d8 [ 245.752502][ T5957] gfs2_fill_super+0xdec/0x19ec [ 245.753845][ T5957] get_tree_bdev+0x358/0x544 [ 245.755086][ T5957] gfs2_get_tree+0x54/0x1b4 [ 245.756281][ T5957] vfs_get_tree+0x90/0x274 [ 245.757580][ T5957] do_new_mount+0x228/0x810 [ 245.758824][ T5957] path_mount+0x5b4/0xe78 [ 245.760049][ T5957] __arm64_sys_mount+0x49c/0x584 [ 245.761389][ T5957] invoke_syscall+0x98/0x2bc [ 245.762653][ T5957] el0_svc_common+0x138/0x258 [ 245.763911][ T5957] do_el0_svc+0x58/0x13c [ 245.765149][ T5957] el0_svc+0x58/0x138 [ 245.766361][ T5957] el0t_64_sync_handler+0x84/0xf0 [ 245.767806][ T5957] el0t_64_sync+0x18c/0x190 [ 245.776659][ T4407] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 82ms [ 245.778948][ T4407] gfs2: fsid=syz:syz.0: jid=0: Done [ 245.783793][ T5955] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 245.788801][ T5957] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.804318][ T5957] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:04:05 executed programs: 469 [ 246.244029][ T5959] loop6: detected capacity change from 0 to 32768 [ 246.252995][ T5959] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 246.255339][ T5959] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 246.294262][ T5959] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 1ms [ 246.299340][ T4407] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 246.301523][ T4407] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 246.368365][ T4407] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 66ms [ 246.371370][ T4407] gfs2: fsid=syz:syz.0: jid=0: Done [ 246.372812][ T5959] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 246.461872][ T4439] Bluetooth: hci20: unexpected cc 0x0c03 length: 249 > 1 [ 246.465835][ T4439] Bluetooth: hci20: unexpected cc 0x1003 length: 249 > 9 [ 246.468775][ T4439] Bluetooth: hci20: unexpected cc 0x1001 length: 249 > 9 [ 246.472520][ T4439] Bluetooth: hci20: unexpected cc 0x0c23 length: 249 > 4 [ 246.475015][ T4439] Bluetooth: hci20: unexpected cc 0x0c25 length: 249 > 3 [ 246.477212][ T4439] Bluetooth: hci20: unexpected cc 0x0c38 length: 249 > 2 [ 246.517449][ T5961] loop2: detected capacity change from 0 to 32768 [ 246.571722][ T5961] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 246.574017][ T5961] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 246.588485][ T5961] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 246.607474][ T4403] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 246.609383][ T4403] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 246.669825][ T4403] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 60ms [ 246.676975][ T4403] gfs2: fsid=syz:syz.0: jid=0: Done [ 246.678507][ T5961] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 246.858514][ T5963] chnl_net:caif_netlink_parms(): no params data found [ 247.004629][ T5963] bridge0: port 1(bridge_slave_0) entered blocking state [ 247.011421][ T5963] bridge0: port 1(bridge_slave_0) entered disabled state [ 247.015304][ T5963] device bridge_slave_0 entered promiscuous mode [ 247.019570][ T5963] bridge0: port 2(bridge_slave_1) entered blocking state [ 247.022133][ T5963] bridge0: port 2(bridge_slave_1) entered disabled state [ 247.024943][ T5963] device bridge_slave_1 entered promiscuous mode [ 247.043542][ T5963] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 247.049163][ T5963] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 247.067358][ T5963] team0: Port device team_slave_0 added [ 247.072149][ T5963] team0: Port device team_slave_1 added [ 247.102664][ T5966] loop6: detected capacity change from 0 to 32768 [ 247.132504][ T5966] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 247.134798][ T5966] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 247.141587][ T5966] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 247.150554][ T5963] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 247.161266][ T5963] 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. [ 247.168383][ T5963] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 247.172313][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 247.174218][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 247.200036][ T5963] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 247.213613][ T5963] 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. [ 247.227706][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms [ 247.234579][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 247.236090][ T5966] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 247.249811][ T5963] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 247.316314][ T5970] loop2: detected capacity change from 0 to 32768 [ 247.333145][ T5970] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.335143][ T5970] CPU: 0 PID: 5970 Comm: syz.2.479 Not tainted 6.1.143-syzkaller #0 [ 247.337296][ T5970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 247.340039][ T5970] Call trace: [ 247.340931][ T5970] dump_backtrace+0x1c8/0x1f4 [ 247.342228][ T5970] show_stack+0x2c/0x3c [ 247.343345][ T5970] __dump_stack+0x30/0x40 [ 247.344500][ T5970] dump_stack_lvl+0xf8/0x160 [ 247.345713][ T5970] dump_stack+0x1c/0x5c [ 247.346828][ T5970] sysfs_create_dir_ns+0x22c/0x24c [ 247.348196][ T5970] kobject_add_internal+0x5a8/0xb30 [ 247.349634][ T5970] kobject_init_and_add+0x118/0x17c [ 247.351072][ T5970] gfs2_sys_fs_add+0x1dc/0x3d8 [ 247.352386][ T5970] gfs2_fill_super+0xdec/0x19ec [ 247.353714][ T5970] get_tree_bdev+0x358/0x544 [ 247.354920][ T5970] gfs2_get_tree+0x54/0x1b4 [ 247.356150][ T5970] vfs_get_tree+0x90/0x274 [ 247.357400][ T5970] do_new_mount+0x228/0x810 [ 247.358626][ T5970] path_mount+0x5b4/0xe78 [ 247.359820][ T5970] __arm64_sys_mount+0x49c/0x584 [ 247.361129][ T5970] invoke_syscall+0x98/0x2bc [ 247.362421][ T5970] el0_svc_common+0x138/0x258 [ 247.363657][ T5970] do_el0_svc+0x58/0x13c [ 247.364804][ T5970] el0_svc+0x58/0x138 [ 247.365925][ T5970] el0t_64_sync_handler+0x84/0xf0 [ 247.367259][ T5970] el0t_64_sync+0x18c/0x190 [ 247.371529][ T5970] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.375153][ T5970] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.394492][ T5963] device hsr_slave_0 entered promiscuous mode [ 247.451585][ T5963] device hsr_slave_1 entered promiscuous mode [ 247.491681][ T5963] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 247.493722][ T5963] Cannot create hsr debugfs directory [ 247.825278][ T5963] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 247.925156][ T5963] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 248.005438][ T5977] loop2: detected capacity change from 0 to 32768 [ 248.011160][ T5975] loop6: detected capacity change from 0 to 32768 [ 248.014688][ T5977] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 248.016891][ T5977] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 248.018924][ T5975] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.022950][ T5975] CPU: 0 PID: 5975 Comm: syz.6.480 Not tainted 6.1.143-syzkaller #0 [ 248.025259][ T5975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.028047][ T5975] Call trace: [ 248.028989][ T5975] dump_backtrace+0x1c8/0x1f4 [ 248.030300][ T5975] show_stack+0x2c/0x3c [ 248.031431][ T5975] __dump_stack+0x30/0x40 [ 248.032604][ T5975] dump_stack_lvl+0xf8/0x160 [ 248.033889][ T5975] dump_stack+0x1c/0x5c [ 248.035015][ T5975] sysfs_create_dir_ns+0x22c/0x24c [ 248.036432][ T5975] kobject_add_internal+0x5a8/0xb30 [ 248.037806][ T5975] kobject_init_and_add+0x118/0x17c [ 248.039312][ T5975] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.040658][ T5975] gfs2_fill_super+0xdec/0x19ec [ 248.041988][ T5975] get_tree_bdev+0x358/0x544 [ 248.043282][ T5975] gfs2_get_tree+0x54/0x1b4 [ 248.044486][ T5975] vfs_get_tree+0x90/0x274 [ 248.045729][ T5975] do_new_mount+0x228/0x810 [ 248.046964][ T5975] path_mount+0x5b4/0xe78 [ 248.048316][ T5975] __arm64_sys_mount+0x49c/0x584 [ 248.049759][ T5975] invoke_syscall+0x98/0x2bc [ 248.051002][ T5975] el0_svc_common+0x138/0x258 [ 248.052340][ T5975] do_el0_svc+0x58/0x13c [ 248.053589][ T5975] el0_svc+0x58/0x138 [ 248.054671][ T5975] el0t_64_sync_handler+0x84/0xf0 [ 248.056019][ T5975] el0t_64_sync+0x18c/0x190 [ 248.066600][ T5977] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 248.074795][ T4520] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 248.076705][ T4520] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 248.093646][ T5963] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 248.108750][ T5975] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.113421][ T4520] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 36ms [ 248.115683][ T4520] gfs2: fsid=syz:syz.0: jid=0: Done [ 248.117248][ T5977] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 248.122855][ T5975] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.275333][ T5963] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 248.501298][ T4439] Bluetooth: hci20: command 0x0409 tx timeout [ 248.562226][ T5963] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 248.613228][ T5963] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 248.643220][ T5963] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 248.703910][ T5963] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 248.742613][ T5979] loop6: detected capacity change from 0 to 32768 [ 248.764351][ T5981] loop2: detected capacity change from 0 to 32768 [ 248.766991][ T5979] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 248.775156][ T5981] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.777250][ T5981] CPU: 1 PID: 5981 Comm: syz.2.482 Not tainted 6.1.143-syzkaller #0 [ 248.779414][ T5981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 248.782297][ T5981] Call trace: [ 248.782674][ T5979] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 248.783219][ T5981] dump_backtrace+0x1c8/0x1f4 [ 248.786443][ T5981] show_stack+0x2c/0x3c [ 248.787628][ T5981] __dump_stack+0x30/0x40 [ 248.788914][ T5981] dump_stack_lvl+0xf8/0x160 [ 248.790216][ T5981] dump_stack+0x1c/0x5c [ 248.791363][ T5981] sysfs_create_dir_ns+0x22c/0x24c [ 248.792811][ T5981] kobject_add_internal+0x5a8/0xb30 [ 248.794244][ T5981] kobject_init_and_add+0x118/0x17c [ 248.795024][ T5979] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 248.795734][ T5981] gfs2_sys_fs_add+0x1dc/0x3d8 [ 248.798844][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 248.799142][ T5981] gfs2_fill_super+0xdec/0x19ec [ 248.801490][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 248.802449][ T5981] get_tree_bdev+0x358/0x544 [ 248.805684][ T5981] gfs2_get_tree+0x54/0x1b4 [ 248.806995][ T5981] vfs_get_tree+0x90/0x274 [ 248.808201][ T5981] do_new_mount+0x228/0x810 [ 248.809365][ T5981] path_mount+0x5b4/0xe78 [ 248.810528][ T5981] __arm64_sys_mount+0x49c/0x584 [ 248.812090][ T5981] invoke_syscall+0x98/0x2bc [ 248.813426][ T5981] el0_svc_common+0x138/0x258 [ 248.814803][ T5981] do_el0_svc+0x58/0x13c [ 248.815973][ T5981] el0_svc+0x58/0x138 [ 248.817087][ T5981] el0t_64_sync_handler+0x84/0xf0 [ 248.818587][ T5981] el0t_64_sync+0x18c/0x190 [ 248.829899][ T2060] ieee802154 phy0 wpan0: encryption failed: -22 [ 248.831840][ T2060] ieee802154 phy1 wpan1: encryption failed: -22 [ 248.836952][ T5981] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.843404][ T5981] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.895608][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 94ms [ 248.897944][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 248.899432][ T5979] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 248.989809][ T5963] 8021q: adding VLAN 0 to HW filter on device bond0 [ 249.045198][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 249.047918][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 249.055315][ T5963] 8021q: adding VLAN 0 to HW filter on device team0 [ 249.082421][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 249.085493][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 249.088115][ T4610] bridge0: port 1(bridge_slave_0) entered blocking state [ 249.090062][ T4610] bridge0: port 1(bridge_slave_0) entered forwarding state [ 249.126242][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 249.129280][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 249.132630][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 249.153586][ T4610] bridge0: port 2(bridge_slave_1) entered blocking state [ 249.155635][ T4610] bridge0: port 2(bridge_slave_1) entered forwarding state [ 249.182951][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 249.186214][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 249.189593][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 249.213863][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 249.228355][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 249.232470][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 249.243316][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 249.256657][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 249.259508][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 249.271868][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 249.281881][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 249.294105][ T5963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 249.556892][ T5989] loop2: detected capacity change from 0 to 32768 [ 249.578811][ T5989] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 249.594468][ T5989] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 249.598502][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 249.600714][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 249.607231][ T5963] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 249.609172][ T5989] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 249.613390][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 249.615396][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 249.649030][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 249.652572][ T4610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 249.684804][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 69ms [ 249.693476][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 249.694988][ T5989] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 249.710023][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 249.713772][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 249.718592][ T5963] device veth0_vlan entered promiscuous mode [ 249.734719][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 249.750494][ T5991] loop6: detected capacity change from 0 to 32768 [ 249.757988][ T1686] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 249.772065][ T5991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.774188][ T5991] CPU: 0 PID: 5991 Comm: syz.6.485 Not tainted 6.1.143-syzkaller #0 [ 249.776374][ T5991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 249.779104][ T5991] Call trace: [ 249.780022][ T5991] dump_backtrace+0x1c8/0x1f4 [ 249.781326][ T5991] show_stack+0x2c/0x3c [ 249.782593][ T5991] __dump_stack+0x30/0x40 [ 249.783797][ T5991] dump_stack_lvl+0xf8/0x160 [ 249.785099][ T5991] dump_stack+0x1c/0x5c [ 249.786342][ T5991] sysfs_create_dir_ns+0x22c/0x24c [ 249.787729][ T5991] kobject_add_internal+0x5a8/0xb30 [ 249.789145][ T5991] kobject_init_and_add+0x118/0x17c [ 249.790591][ T5991] gfs2_sys_fs_add+0x1dc/0x3d8 [ 249.791929][ T5991] gfs2_fill_super+0xdec/0x19ec [ 249.793256][ T5991] get_tree_bdev+0x358/0x544 [ 249.794555][ T5991] gfs2_get_tree+0x54/0x1b4 [ 249.795817][ T5991] vfs_get_tree+0x90/0x274 [ 249.797026][ T5991] do_new_mount+0x228/0x810 [ 249.798263][ T5991] path_mount+0x5b4/0xe78 [ 249.799506][ T5991] __arm64_sys_mount+0x49c/0x584 [ 249.800841][ T5991] invoke_syscall+0x98/0x2bc [ 249.802084][ T5991] el0_svc_common+0x138/0x258 [ 249.803394][ T5991] do_el0_svc+0x58/0x13c [ 249.804538][ T5991] el0_svc+0x58/0x138 [ 249.805622][ T5991] el0t_64_sync_handler+0x84/0xf0 [ 249.807075][ T5991] el0t_64_sync+0x18c/0x190 [ 249.823059][ T5963] device veth1_vlan entered promiscuous mode [ 249.881993][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 249.885543][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 249.888309][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 249.896813][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 249.908511][ T5963] device veth0_macvtap entered promiscuous mode [ 249.914641][ T5963] device veth1_macvtap entered promiscuous mode [ 249.933708][ T5991] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.937459][ T5991] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.953076][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 249.956063][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 249.958831][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 249.971565][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 249.974306][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 249.977386][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 249.983004][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 249.985995][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 249.988788][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 249.992009][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 249.994746][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 249.997812][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.000473][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.003958][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.006701][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.009528][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.012564][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.015416][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.018777][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.022634][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.025508][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.028463][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.032675][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.035698][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.038519][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.050989][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.053836][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.056719][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.059358][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.063814][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.068815][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.073035][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.078096][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.086823][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.092101][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.096269][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.102805][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.108080][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.113247][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 250.118777][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.132246][ T5963] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 250.136315][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 250.139058][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 250.141893][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 250.157787][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 250.176945][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.180009][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.193290][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.196267][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.199064][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.220932][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.223755][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.236870][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.239589][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.250779][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.253596][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.256297][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.269210][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.272209][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.274791][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.277526][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.290065][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.302033][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.304799][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.307691][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.310396][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.320823][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.323464][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.326379][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.329077][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.336536][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.339087][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.356819][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.359571][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.373584][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.376441][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.395849][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.398571][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.403174][ T5997] loop2: detected capacity change from 0 to 32768 [ 250.407768][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.410451][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.412404][ T5997] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 250.421295][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.430922][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.432850][ T5997] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 250.433804][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.438639][ T5963] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 250.441614][ T5963] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 250.446982][ T5997] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 250.458554][ T4406] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 250.460386][ T4406] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 250.460387][ T5963] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 250.465468][ T248] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 250.468479][ T248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 250.485678][ T5963] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 250.488091][ T5963] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 250.510989][ T5963] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 250.514375][ T5963] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 250.519036][ T4406] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 58ms [ 250.525717][ T4406] gfs2: fsid=syz:syz.0: jid=0: Done [ 250.534889][ T5997] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 250.581791][ T4382] Bluetooth: hci20: command 0x041b tx timeout [ 250.682356][ T4610] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 250.684719][ T4610] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 250.688669][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 250.767914][ T4540] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 250.770441][ T4540] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 250.772302][ T6000] loop6: detected capacity change from 0 to 32768 [ 250.774574][ T4540] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 250.780626][ T6000] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 250.790845][ T6000] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 250.798249][ T6000] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 250.810288][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 250.812299][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... 1970/01/01 00:04:10 executed programs: 482 [ 250.880102][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 67ms [ 250.885742][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 250.887209][ T6000] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 250.902625][ T4382] Bluetooth: hci7: command 0x0406 tx timeout [ 250.902734][ T4439] Bluetooth: hci8: command 0x0406 tx timeout [ 251.364417][ T6004] loop0: detected capacity change from 0 to 32768 [ 251.372107][ T6002] loop2: detected capacity change from 0 to 32768 [ 251.380521][ T6004] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 251.386955][ T6002] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 251.388965][ T6002] CPU: 1 PID: 6002 Comm: syz.2.488 Not tainted 6.1.143-syzkaller #0 [ 251.391191][ T6002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 251.394365][ T6002] Call trace: [ 251.395239][ T6002] dump_backtrace+0x1c8/0x1f4 [ 251.396585][ T6002] show_stack+0x2c/0x3c [ 251.397741][ T6002] __dump_stack+0x30/0x40 [ 251.398885][ T6002] dump_stack_lvl+0xf8/0x160 [ 251.400119][ T6002] dump_stack+0x1c/0x5c [ 251.401252][ T6002] sysfs_create_dir_ns+0x22c/0x24c [ 251.402623][ T6002] kobject_add_internal+0x5a8/0xb30 [ 251.404040][ T6002] kobject_init_and_add+0x118/0x17c [ 251.405490][ T6002] gfs2_sys_fs_add+0x1dc/0x3d8 [ 251.406910][ T6002] gfs2_fill_super+0xdec/0x19ec [ 251.408282][ T6002] get_tree_bdev+0x358/0x544 [ 251.409604][ T6002] gfs2_get_tree+0x54/0x1b4 [ 251.410886][ T6002] vfs_get_tree+0x90/0x274 [ 251.412188][ T6002] do_new_mount+0x228/0x810 [ 251.413437][ T6002] path_mount+0x5b4/0xe78 [ 251.414678][ T6002] __arm64_sys_mount+0x49c/0x584 [ 251.416098][ T6002] invoke_syscall+0x98/0x2bc [ 251.417483][ T6002] el0_svc_common+0x138/0x258 [ 251.418777][ T6002] do_el0_svc+0x58/0x13c [ 251.419943][ T6002] el0_svc+0x58/0x138 [ 251.421015][ T6002] el0t_64_sync_handler+0x84/0xf0 [ 251.422429][ T6002] el0t_64_sync+0x18c/0x190 [ 251.440814][ T6004] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 251.443170][ T6002] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 251.449816][ T6004] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 251.453272][ T4407] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 251.455203][ T4407] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 251.476620][ T6002] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 251.511944][ T4407] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 56ms [ 251.514229][ T4407] gfs2: fsid=syz:syz.0: jid=0: Done [ 251.517277][ T6004] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 251.792790][ T6006] loop6: detected capacity change from 0 to 32768 [ 251.802212][ T6006] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 251.804484][ T6006] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 251.831035][ T6006] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 251.839732][ T3886] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 251.842011][ T3886] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 251.910597][ T3886] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 68ms [ 251.913166][ T3886] gfs2: fsid=syz:syz.0: jid=0: Done [ 251.914653][ T6006] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 252.338437][ T6010] loop0: detected capacity change from 0 to 32768 [ 252.347364][ T6008] loop2: detected capacity change from 0 to 32768 [ 252.352154][ T6010] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 252.354512][ T6010] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 252.357899][ T6008] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 252.359951][ T6008] CPU: 0 PID: 6008 Comm: syz.2.490 Not tainted 6.1.143-syzkaller #0 [ 252.362239][ T6008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 252.365059][ T6008] Call trace: [ 252.365937][ T6008] dump_backtrace+0x1c8/0x1f4 [ 252.367260][ T6008] show_stack+0x2c/0x3c [ 252.368411][ T6008] __dump_stack+0x30/0x40 [ 252.369666][ T6008] dump_stack_lvl+0xf8/0x160 [ 252.370974][ T6008] dump_stack+0x1c/0x5c [ 252.372195][ T6008] sysfs_create_dir_ns+0x22c/0x24c [ 252.373580][ T6008] kobject_add_internal+0x5a8/0xb30 [ 252.375071][ T6008] kobject_init_and_add+0x118/0x17c [ 252.376513][ T6008] gfs2_sys_fs_add+0x1dc/0x3d8 [ 252.377845][ T6008] gfs2_fill_super+0xdec/0x19ec [ 252.379204][ T6008] get_tree_bdev+0x358/0x544 [ 252.380453][ T6008] gfs2_get_tree+0x54/0x1b4 [ 252.381775][ T6008] vfs_get_tree+0x90/0x274 [ 252.383086][ T6008] do_new_mount+0x228/0x810 [ 252.384406][ T6008] path_mount+0x5b4/0xe78 [ 252.385589][ T6008] __arm64_sys_mount+0x49c/0x584 [ 252.386968][ T6008] invoke_syscall+0x98/0x2bc [ 252.388312][ T6008] el0_svc_common+0x138/0x258 [ 252.389621][ T6008] do_el0_svc+0x58/0x13c [ 252.390835][ T6008] el0_svc+0x58/0x138 [ 252.391991][ T6008] el0t_64_sync_handler+0x84/0xf0 [ 252.393394][ T6008] el0t_64_sync+0x18c/0x190 [ 252.397764][ T6010] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 252.401033][ T4522] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 252.402858][ T4522] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 252.453575][ T4522] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms [ 252.456332][ T4522] gfs2: fsid=syz:syz.0: jid=0: Done [ 252.458224][ T6010] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 252.490790][ T6008] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 252.494689][ T6008] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 252.661584][ T4444] Bluetooth: hci20: command 0x040f tx timeout [ 253.123179][ T6015] loop0: detected capacity change from 0 to 32768 [ 253.132521][ T6015] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 253.134909][ T6015] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 253.147627][ T6017] loop2: detected capacity change from 0 to 32768 [ 253.151193][ T6017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 253.153177][ T6017] CPU: 0 PID: 6017 Comm: syz.2.494 Not tainted 6.1.143-syzkaller #0 [ 253.155445][ T6017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 253.158267][ T6017] Call trace: [ 253.159179][ T6017] dump_backtrace+0x1c8/0x1f4 [ 253.160476][ T6017] show_stack+0x2c/0x3c [ 253.161682][ T6017] __dump_stack+0x30/0x40 [ 253.162838][ T6017] dump_stack_lvl+0xf8/0x160 [ 253.164169][ T6017] dump_stack+0x1c/0x5c [ 253.165384][ T6017] sysfs_create_dir_ns+0x22c/0x24c [ 253.166872][ T6017] kobject_add_internal+0x5a8/0xb30 [ 253.168371][ T6017] kobject_init_and_add+0x118/0x17c [ 253.169755][ T6017] gfs2_sys_fs_add+0x1dc/0x3d8 [ 253.171088][ T6017] gfs2_fill_super+0xdec/0x19ec [ 253.172432][ T6017] get_tree_bdev+0x358/0x544 [ 253.173715][ T6017] gfs2_get_tree+0x54/0x1b4 [ 253.174947][ T6017] vfs_get_tree+0x90/0x274 [ 253.176201][ T6017] do_new_mount+0x228/0x810 [ 253.177517][ T6017] path_mount+0x5b4/0xe78 [ 253.178743][ T6017] __arm64_sys_mount+0x49c/0x584 [ 253.180150][ T6017] invoke_syscall+0x98/0x2bc [ 253.181440][ T6017] el0_svc_common+0x138/0x258 [ 253.182758][ T6017] do_el0_svc+0x58/0x13c [ 253.183933][ T6017] el0_svc+0x58/0x138 [ 253.185053][ T6017] el0t_64_sync_handler+0x84/0xf0 [ 253.186612][ T6017] el0t_64_sync+0x18c/0x190 [ 253.195532][ T6015] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 253.200260][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 253.202581][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 253.237963][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 35ms [ 253.240264][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 253.242808][ T6015] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 253.253328][ T6017] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 253.259509][ T6017] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 253.713064][ T6019] loop0: detected capacity change from 0 to 32768 [ 253.726815][ T6019] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 253.729145][ T6019] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 253.748073][ T6019] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 253.752620][ T112] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 253.754429][ T112] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 253.801620][ T112] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 47ms [ 253.805371][ T112] gfs2: fsid=syz:syz.0: jid=0: Done [ 253.806838][ T6019] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 253.922899][ T6021] loop2: detected capacity change from 0 to 32768 [ 253.926480][ T6021] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 253.928897][ T6021] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 253.959425][ T28] INFO: task syz.2.26:4579 blocked for more than 143 seconds. [ 253.961614][ T28] Not tainted 6.1.143-syzkaller #0 [ 253.964775][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 253.967145][ T28] task:syz.2.26 state:D stack:0 pid:4579 ppid:4433 flags:0x0000000d [ 253.969686][ T28] Call trace: [ 253.970555][ T28] __switch_to+0x2f4/0x568 [ 253.982006][ T6021] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 253.988728][ T4407] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 253.990517][ T4407] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 253.990780][ T28] __schedule+0xdd4/0x1b2c [ 254.000885][ T28] schedule+0xc4/0x170 [ 254.002074][ T28] fuse_simple_request+0xe44/0x1740 [ 254.003471][ T28] fuse_flush+0x4bc/0x6a0 [ 254.004637][ T28] filp_close+0xb0/0x160 [ 254.013895][ T28] __close_range+0x4ec/0x68c [ 254.015117][ T28] __arm64_sys_close_range+0x7c/0x94 [ 254.016506][ T28] invoke_syscall+0x98/0x2bc [ 254.017751][ T28] el0_svc_common+0x138/0x258 [ 254.018962][ T28] do_el0_svc+0x58/0x13c [ 254.020050][ T28] el0_svc+0x58/0x138 [ 254.052551][ T28] el0t_64_sync_handler+0x84/0xf0 [ 254.054073][ T28] el0t_64_sync+0x18c/0x190 [ 254.055392][ T28] INFO: task syz.0.52:4638 blocked for more than 143 seconds. [ 254.057440][ T28] Not tainted 6.1.143-syzkaller #0 [ 254.058945][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 254.063657][ T4407] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 73ms [ 254.066875][ T4407] gfs2: fsid=syz:syz.0: jid=0: Done [ 254.068387][ T6021] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 254.073641][ T28] task:syz.0.52 state:D stack:0 pid:4638 ppid:4429 flags:0x0000000d [ 254.091527][ T28] Call trace: [ 254.092442][ T28] __switch_to+0x2f4/0x568 [ 254.093678][ T28] __schedule+0xdd4/0x1b2c [ 254.099815][ T28] schedule+0xc4/0x170 [ 254.101797][ T28] fuse_simple_request+0xe44/0x1740 [ 254.103268][ T28] fuse_flush+0x4bc/0x6a0 [ 254.104413][ T28] filp_close+0xb0/0x160 [ 254.105616][ T28] __close_range+0x4ec/0x68c [ 254.106839][ T28] __arm64_sys_close_range+0x7c/0x94 [ 254.108232][ T28] invoke_syscall+0x98/0x2bc [ 254.109435][ T28] el0_svc_common+0x138/0x258 [ 254.130882][ T28] do_el0_svc+0x58/0x13c [ 254.132155][ T28] el0_svc+0x58/0x138 [ 254.137556][ T28] el0t_64_sync_handler+0x84/0xf0 [ 254.140102][ T28] el0t_64_sync+0x18c/0x190 [ 254.144134][ T28] [ 254.144134][ T28] Showing all locks held in the system: [ 254.160844][ T28] 1 lock held by rcu_tasks_kthre/12: [ 254.162450][ T28] #0: ffff800015287770 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 [ 254.165505][ T28] 1 lock held by rcu_tasks_trace/13: [ 254.167073][ T28] #0: ffff800015287f90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 [ 254.170193][ T28] 1 lock held by khungtaskd/28: [ 254.232029][ T28] #0: ffff800015286e00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 254.234849][ T28] 3 locks held by kworker/u4:5/1686: [ 254.236317][ T28] 2 locks held by getty/4070: [ 254.237615][ T28] #0: ffff0000d64d9098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 254.240156][ T28] #1: ffff80001ce862f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c [ 254.290790][ T28] 2 locks held by udevd/4330: [ 254.292109][ T28] 3 locks held by kworker/0:4/4484: [ 254.293560][ T28] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 [ 254.296303][ T28] #1: ffff800020ff7c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 [ 254.299482][ T28] #2: ffff0000eb297240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1c8/0x263c [ 254.338018][ T28] 3 locks held by kworker/u4:8/4540: [ 254.339558][ T28] 1 lock held by syz.0.497/6023: [ 254.350792][ T28] [ 254.351527][ T28] ============================================= [ 254.351527][ T28] [ 254.353975][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 254.355858][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.143-syzkaller #0 [ 254.358046][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 254.360634][ T28] Call trace: [ 254.361520][ T28] dump_backtrace+0x1c8/0x1f4 [ 254.362802][ T28] show_stack+0x2c/0x3c [ 254.364004][ T28] __dump_stack+0x30/0x40 [ 254.365193][ T28] dump_stack_lvl+0xf8/0x160 [ 254.366469][ T28] dump_stack+0x1c/0x5c [ 254.367715][ T28] panic+0x2e0/0x79c [ 254.368790][ T28] hung_task_panic+0x0/0x2c [ 254.370295][ T28] kthread+0x250/0x2d8 [ 254.371526][ T28] ret_from_fork+0x10/0x20 [ 254.372844][ T28] SMP: stopping secondary CPUs [ 254.374203][ T28] Kernel Offset: disabled [ 254.375466][ T28] CPU features: 0x080000,02070084,26017203 [ 254.377229][ T28] Memory Limit: none [ 255.110895][ T28] Rebooting in 86400 seconds..