It is strongly recommended to keep mac addresses unique to avoid problems! [ 36.995334][ T4458] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 36.996915][ T4458] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 37.000967][ T4458] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 37.002604][ T4458] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 37.004183][ T4458] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 37.005628][ T4458] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 37.007874][ T4458] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.015598][ T4458] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.017028][ T4458] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.022289][ T4458] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.023528][ T4458] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.082546][ T4530] loop2: detected capacity change from 0 to 32768 [ 37.092200][ T4530] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 37.093478][ T4530] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 37.101560][ T4530] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 37.104054][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 37.105092][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 37.113415][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 8ms [ 37.114814][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 37.115833][ T4530] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 37.138635][ T4531] loop1: detected capacity change from 0 to 32768 [ 37.141588][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 37.142656][ T4531] CPU: 1 PID: 4531 Comm: syz.1.18 Not tainted syzkaller #0 [ 37.143698][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 37.145080][ T4531] Call trace: [ 37.145555][ T4531] dump_backtrace+0x1c8/0x1f4 [ 37.146251][ T4531] show_stack+0x2c/0x3c [ 37.146870][ T4531] __dump_stack+0x30/0x40 [ 37.147440][ T4531] dump_stack_lvl+0xf8/0x160 [ 37.148047][ T4531] dump_stack+0x1c/0x5c [ 37.148682][ T4531] sysfs_create_dir_ns+0x22c/0x24c [ 37.149426][ T4531] kobject_add_internal+0x5a8/0xb30 [ 37.150186][ T4531] kobject_init_and_add+0x118/0x17c [ 37.150933][ T4531] gfs2_sys_fs_add+0x1dc/0x3d8 [ 37.151656][ T4531] gfs2_fill_super+0xdec/0x19ec [ 37.152375][ T4531] get_tree_bdev+0x358/0x544 [ 37.153017][ T4531] gfs2_get_tree+0x54/0x1b4 [ 37.153642][ T4531] vfs_get_tree+0x90/0x274 [ 37.154333][ T4531] do_new_mount+0x228/0x810 [ 37.154993][ T4531] path_mount+0x5b4/0xe78 [ 37.155607][ T4531] __arm64_sys_mount+0x49c/0x584 [ 37.156377][ T4531] invoke_syscall+0x98/0x2bc [ 37.157053][ T4531] el0_svc_common+0x138/0x258 [ 37.157762][ T4531] do_el0_svc+0x58/0x13c [ 37.158425][ T4531] el0_svc+0x58/0x138 [ 37.158991][ T4531] el0t_64_sync_handler+0x84/0xf0 [ 37.159763][ T4531] el0t_64_sync+0x18c/0x190 [ 37.160441][ T4531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 37.162340][ T4531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 37.172396][ T4530] gfs2: fsid=syz:syz.0: found 1 quota changes [ 37.185487][ T4533] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 37.185487][ T4533] inode = 11 2339 [ 37.185487][ T4533] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 37.191195][ T4533] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 37.192574][ T4533] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4533 [gfs2_quotad] gfs2_quota_sync+0x2e0/0x528 [ 37.194048][ T4533] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 37.195143][ T4533] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 37.200362][ T4533] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 37.201746][ T4533] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 37.203619][ T4533] gfs2: fsid=syz:syz.0: File system withdrawn [ 37.204586][ T4533] CPU: 0 PID: 4533 Comm: gfs2_quotad Not tainted syzkaller #0 [ 37.205799][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 37.207312][ T4533] Call trace: [ 37.207781][ T4533] dump_backtrace+0x1c8/0x1f4 [ 37.208490][ T4533] show_stack+0x2c/0x3c [ 37.209142][ T4533] __dump_stack+0x30/0x40 [ 37.209815][ T4533] dump_stack_lvl+0xf8/0x160 [ 37.210474][ T4533] dump_stack+0x1c/0x5c [ 37.211078][ T4533] gfs2_withdraw+0xf9c/0x13a8 [ 37.211737][ T4533] gfs2_consist_inode_i+0xf0/0x10c [ 37.212470][ T4533] gfs2_inode_refresh+0x920/0xd54 [ 37.213162][ T4533] inode_go_instantiate+0x4c/0x68 [ 37.213957][ T4533] gfs2_instantiate+0x17c/0x2c4 [ 37.214615][ T4533] gfs2_glock_wait+0x1b4/0x298 [ 37.215271][ T4533] gfs2_glock_nq+0x8bc/0x11d4 [ 37.215990][ T4533] do_sync+0x40c/0xa94 [ 37.216648][ T4533] gfs2_quota_sync+0x2e0/0x528 [ 37.217364][ T4533] gfs2_quotad+0x2d8/0x4fc [ 37.218070][ T4533] kthread+0x250/0x2d8 [ 37.218679][ T4533] ret_from_fork+0x10/0x20 [ 37.246804][ T4448] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 37.250029][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 37.251217][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 37.252802][ T4448] Call trace: [ 37.253269][ T4448] dump_backtrace+0x1c8/0x1f4 [ 37.253975][ T4448] show_stack+0x2c/0x3c [ 37.254655][ T4448] __dump_stack+0x30/0x40 [ 37.255307][ T4448] dump_stack_lvl+0xf8/0x160 [ 37.256000][ T4448] dump_stack+0x1c/0x5c [ 37.256584][ T4448] gfs2_assert_warn_i+0x16c/0x26c [ 37.257316][ T4448] gfs2_quota_cleanup+0x454/0x65c [ 37.257981][ T4448] gfs2_put_super+0x1f0/0x764 [ 37.258624][ T4448] generic_shutdown_super+0x130/0x324 [ 37.259392][ T4448] kill_block_super+0x70/0xdc [ 37.260147][ T4448] gfs2_kill_sb+0xc0/0xd4 [ 37.260829][ T4448] deactivate_locked_super+0xac/0x124 [ 37.261663][ T4448] deactivate_super+0xe8/0x108 [ 37.262336][ T4448] cleanup_mnt+0x37c/0x404 [ 37.263022][ T4448] __cleanup_mnt+0x20/0x30 [ 37.263745][ T4448] task_work_run+0x1ec/0x270 [ 37.264440][ T4448] do_notify_resume+0x2038/0x2b28 [ 37.265195][ T4448] el0_svc+0x98/0x138 [ 37.265808][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 37.266523][ T4448] el0t_64_sync+0x18c/0x190 [ 37.297073][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.298342][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.301875][ T47] Bluetooth: hci1: command 0x041b tx timeout [ 37.302021][ T4352] Bluetooth: hci0: command 0x041b tx timeout [ 37.302845][ T47] Bluetooth: hci2: command 0x041b tx timeout [ 37.303836][ T4352] Bluetooth: hci3: command 0x041b tx timeout [ 37.305527][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 37.307217][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.308900][ T1613] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.370910][ T47] Bluetooth: hci4: command 0x041b tx timeout [ 37.503166][ T4538] loop2: detected capacity change from 0 to 32768 [ 37.513872][ T4538] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 37.515207][ T4538] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 37.526201][ T1613] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.527514][ T1613] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.530503][ T4538] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 37.533178][ T4416] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 37.534304][ T4416] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 37.547244][ T4415] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.565011][ T4416] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 30ms [ 37.566706][ T4416] gfs2: fsid=syz:syz.0: jid=0: Done [ 37.567614][ T4538] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 37.650256][ T4538] gfs2: fsid=syz:syz.0: found 1 quota changes [ 37.758910][ T4543] loop3: detected capacity change from 0 to 32768 [ 37.767618][ T4543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 37.768929][ T4543] CPU: 1 PID: 4543 Comm: syz.3.20 Not tainted syzkaller #0 [ 37.770018][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 37.771600][ T4543] Call trace: [ 37.772136][ T4543] dump_backtrace+0x1c8/0x1f4 [ 37.772858][ T4543] show_stack+0x2c/0x3c [ 37.773495][ T4543] __dump_stack+0x30/0x40 [ 37.774156][ T4543] dump_stack_lvl+0xf8/0x160 [ 37.774890][ T4543] dump_stack+0x1c/0x5c [ 37.775500][ T4543] sysfs_create_dir_ns+0x22c/0x24c [ 37.776335][ T4543] kobject_add_internal+0x5a8/0xb30 [ 37.777202][ T4543] kobject_init_and_add+0x118/0x17c [ 37.777998][ T4543] gfs2_sys_fs_add+0x1dc/0x3d8 [ 37.778749][ T4543] gfs2_fill_super+0xdec/0x19ec [ 37.779518][ T4543] get_tree_bdev+0x358/0x544 [ 37.780161][ T4543] gfs2_get_tree+0x54/0x1b4 [ 37.780891][ T4543] vfs_get_tree+0x90/0x274 [ 37.781526][ T4543] do_new_mount+0x228/0x810 [ 37.782189][ T4543] path_mount+0x5b4/0xe78 [ 37.782815][ T4543] __arm64_sys_mount+0x49c/0x584 [ 37.783528][ T4543] invoke_syscall+0x98/0x2bc [ 37.784169][ T4543] el0_svc_common+0x138/0x258 [ 37.784913][ T4543] do_el0_svc+0x58/0x13c [ 37.785533][ T4543] el0_svc+0x58/0x138 [ 37.786134][ T4543] el0t_64_sync_handler+0x84/0xf0 [ 37.786893][ T4543] el0t_64_sync+0x18c/0x190 [ 37.787636][ T4543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 37.789597][ T4543] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 37.849957][ T4448] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 37.849957][ T4448] inode = 11 2339 [ 37.849957][ T4448] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 37.867581][ T4544] loop1: detected capacity change from 0 to 32768 [ 37.875921][ T4448] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 37.877434][ T4448] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4448 [syz-executor] gfs2_quota_sync+0x2e0/0x528 [ 37.879042][ T4448] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 37.880308][ T4448] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 37.889173][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 37.890415][ T4544] CPU: 0 PID: 4544 Comm: syz.1.28 Not tainted syzkaller #0 [ 37.891525][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 37.893009][ T4544] Call trace: [ 37.893505][ T4544] dump_backtrace+0x1c8/0x1f4 [ 37.894226][ T4544] show_stack+0x2c/0x3c [ 37.894927][ T4544] __dump_stack+0x30/0x40 [ 37.895589][ T4544] dump_stack_lvl+0xf8/0x160 [ 37.896290][ T4544] dump_stack+0x1c/0x5c [ 37.896930][ T4544] sysfs_create_dir_ns+0x22c/0x24c [ 37.897724][ T4544] kobject_add_internal+0x5a8/0xb30 [ 37.898546][ T4544] kobject_init_and_add+0x118/0x17c [ 37.899348][ T4544] gfs2_sys_fs_add+0x1dc/0x3d8 [ 37.900105][ T4544] gfs2_fill_super+0xdec/0x19ec [ 37.900854][ T4544] get_tree_bdev+0x358/0x544 [ 37.901634][ T4544] gfs2_get_tree+0x54/0x1b4 [ 37.902436][ T4544] vfs_get_tree+0x90/0x274 [ 37.903129][ T4544] do_new_mount+0x228/0x810 [ 37.903909][ T4544] path_mount+0x5b4/0xe78 [ 37.904584][ T4544] __arm64_sys_mount+0x49c/0x584 [ 37.905301][ T4544] invoke_syscall+0x98/0x2bc [ 37.905987][ T4544] el0_svc_common+0x138/0x258 [ 37.906722][ T4544] do_el0_svc+0x58/0x13c [ 37.907391][ T4544] el0_svc+0x58/0x138 [ 37.907987][ T4544] el0t_64_sync_handler+0x84/0xf0 [ 37.908652][ T4544] el0t_64_sync+0x18c/0x190 [ 37.909445][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 37.911355][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 37.967930][ T4545] loop0: detected capacity change from 0 to 32768 [ 37.970608][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 37.971813][ T4545] CPU: 1 PID: 4545 Comm: syz.0.17 Not tainted syzkaller #0 [ 37.972958][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 37.973305][ T4448] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 37.974344][ T4545] Call trace: [ 37.976301][ T4545] dump_backtrace+0x1c8/0x1f4 [ 37.977011][ T4545] show_stack+0x2c/0x3c [ 37.977152][ T4448] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 37.977618][ T4545] __dump_stack+0x30/0x40 [ 37.979319][ T4545] dump_stack_lvl+0xf8/0x160 [ 37.980049][ T4545] dump_stack+0x1c/0x5c [ 37.980719][ T4545] sysfs_create_dir_ns+0x22c/0x24c [ 37.981477][ T4545] kobject_add_internal+0x5a8/0xb30 [ 37.982263][ T4545] kobject_init_and_add+0x118/0x17c [ 37.982982][ T4545] gfs2_sys_fs_add+0x1dc/0x3d8 [ 37.983671][ T4545] gfs2_fill_super+0xdec/0x19ec [ 37.984378][ T4545] get_tree_bdev+0x358/0x544 [ 37.985065][ T4545] gfs2_get_tree+0x54/0x1b4 [ 37.985806][ T4545] vfs_get_tree+0x90/0x274 [ 37.986471][ T4545] do_new_mount+0x228/0x810 [ 37.987146][ T4545] path_mount+0x5b4/0xe78 [ 37.987821][ T4545] __arm64_sys_mount+0x49c/0x584 [ 37.988564][ T4545] invoke_syscall+0x98/0x2bc [ 37.989210][ T4545] el0_svc_common+0x138/0x258 [ 37.989930][ T4545] do_el0_svc+0x58/0x13c [ 37.990609][ T4545] el0_svc+0x58/0x138 [ 37.990684][ T4448] gfs2: fsid=syz:syz.0: File system withdrawn [ 37.991223][ T4545] el0t_64_sync_handler+0x84/0xf0 [ 37.992920][ T4545] el0t_64_sync+0x18c/0x190 [ 37.993639][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 37.994494][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 37.994796][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 37.996687][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 37.998126][ T4448] Call trace: [ 37.998133][ T4448] dump_backtrace+0x1c8/0x1f4 [ 37.998150][ T4448] show_stack+0x2c/0x3c [ 37.998156][ T4448] __dump_stack+0x30/0x40 [ 37.998161][ T4448] dump_stack_lvl+0xf8/0x160 [ 37.998165][ T4448] dump_stack+0x1c/0x5c [ 37.998169][ T4448] gfs2_withdraw+0xf9c/0x13a8 [ 37.998174][ T4448] gfs2_consist_inode_i+0xf0/0x10c [ 37.998179][ T4448] gfs2_inode_refresh+0x920/0xd54 [ 37.998186][ T4448] inode_go_instantiate+0x4c/0x68 [ 37.998192][ T4448] gfs2_instantiate+0x17c/0x2c4 [ 37.998196][ T4448] gfs2_glock_wait+0x1b4/0x298 [ 37.998201][ T4448] gfs2_glock_nq+0x8bc/0x11d4 [ 38.007547][ T4448] do_sync+0x40c/0xa94 [ 38.008156][ T4448] gfs2_quota_sync+0x2e0/0x528 [ 38.008835][ T4448] gfs2_sync_fs+0x4c/0xc4 [ 38.009460][ T4448] sync_filesystem+0xe8/0x218 [ 38.010173][ T4448] generic_shutdown_super+0x70/0x324 [ 38.010972][ T4448] kill_block_super+0x70/0xdc [ 38.011628][ T4448] gfs2_kill_sb+0xc0/0xd4 [ 38.012312][ T4448] deactivate_locked_super+0xac/0x124 [ 38.013093][ T4448] deactivate_super+0xe8/0x108 [ 38.013817][ T4448] cleanup_mnt+0x37c/0x404 [ 38.014475][ T4448] __cleanup_mnt+0x20/0x30 [ 38.015157][ T4448] task_work_run+0x1ec/0x270 [ 38.015812][ T4448] do_notify_resume+0x2038/0x2b28 [ 38.016628][ T4448] el0_svc+0x98/0x138 [ 38.017259][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 38.018042][ T4448] el0t_64_sync+0x18c/0x190 [ 38.021205][ T4448] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 38.023594][ T4448] CPU: 1 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 38.024785][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.026326][ T4448] Call trace: [ 38.026787][ T4448] dump_backtrace+0x1c8/0x1f4 [ 38.027506][ T4448] show_stack+0x2c/0x3c [ 38.028139][ T4448] __dump_stack+0x30/0x40 [ 38.028857][ T4448] dump_stack_lvl+0xf8/0x160 [ 38.029574][ T4448] dump_stack+0x1c/0x5c [ 38.030209][ T4448] gfs2_assert_warn_i+0x16c/0x26c [ 38.030977][ T4448] gfs2_quota_cleanup+0x454/0x65c [ 38.031801][ T4448] gfs2_put_super+0x1f0/0x764 [ 38.032513][ T4448] generic_shutdown_super+0x130/0x324 [ 38.033300][ T4448] kill_block_super+0x70/0xdc [ 38.033984][ T4448] gfs2_kill_sb+0xc0/0xd4 [ 38.034660][ T4448] deactivate_locked_super+0xac/0x124 [ 38.035490][ T4448] deactivate_super+0xe8/0x108 [ 38.036212][ T4448] cleanup_mnt+0x37c/0x404 [ 38.036847][ T4448] __cleanup_mnt+0x20/0x30 [ 38.037472][ T4448] task_work_run+0x1ec/0x270 [ 38.038163][ T4448] do_notify_resume+0x2038/0x2b28 [ 38.038891][ T4448] el0_svc+0x98/0x138 [ 38.039477][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 38.040235][ T4448] el0t_64_sync+0x18c/0x190 [ 38.077555][ T4405] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 38.080292][ T4330] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 1970/01/01 00:00:38 executed programs: 22 [ 38.142868][ T4535] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 38.258332][ T4549] loop2: detected capacity change from 0 to 32768 [ 38.306047][ T4549] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 38.307283][ T4549] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 38.311703][ T4549] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 38.313400][ T1515] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 38.314454][ T1515] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 38.323084][ T1515] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 8ms [ 38.324272][ T1515] gfs2: fsid=syz:syz.0: jid=0: Done [ 38.325096][ T4549] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 38.351297][ T4550] loop0: detected capacity change from 0 to 32768 [ 38.358777][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 38.359247][ T4548] loop3: detected capacity change from 0 to 32768 [ 38.359994][ T4550] CPU: 1 PID: 4550 Comm: syz.0.30 Not tainted syzkaller #0 [ 38.362177][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.363683][ T4550] Call trace: [ 38.364185][ T4550] dump_backtrace+0x1c8/0x1f4 [ 38.364884][ T4550] show_stack+0x2c/0x3c [ 38.365484][ T4550] __dump_stack+0x30/0x40 [ 38.366066][ T4550] dump_stack_lvl+0xf8/0x160 [ 38.366741][ T4550] dump_stack+0x1c/0x5c [ 38.367344][ T4550] sysfs_create_dir_ns+0x22c/0x24c [ 38.368158][ T4550] kobject_add_internal+0x5a8/0xb30 [ 38.368962][ T4550] kobject_init_and_add+0x118/0x17c [ 38.369749][ T4550] gfs2_sys_fs_add+0x1dc/0x3d8 [ 38.370438][ T4550] gfs2_fill_super+0xdec/0x19ec [ 38.371137][ T4550] get_tree_bdev+0x358/0x544 [ 38.371824][ T4550] gfs2_get_tree+0x54/0x1b4 [ 38.372467][ T4550] vfs_get_tree+0x90/0x274 [ 38.373143][ T4550] do_new_mount+0x228/0x810 [ 38.373821][ T4550] path_mount+0x5b4/0xe78 [ 38.374460][ T4550] __arm64_sys_mount+0x49c/0x584 [ 38.375156][ T4550] invoke_syscall+0x98/0x2bc [ 38.375782][ T4550] el0_svc_common+0x138/0x258 [ 38.376442][ T4550] do_el0_svc+0x58/0x13c [ 38.377070][ T4550] el0_svc+0x58/0x138 [ 38.377676][ T4550] el0t_64_sync_handler+0x84/0xf0 [ 38.378432][ T4550] el0t_64_sync+0x18c/0x190 [ 38.379160][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 38.380853][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 38.382437][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 38.383562][ T4548] CPU: 1 PID: 4548 Comm: syz.3.29 Not tainted syzkaller #0 [ 38.384641][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.386115][ T4548] Call trace: [ 38.386591][ T4548] dump_backtrace+0x1c8/0x1f4 [ 38.387296][ T4548] show_stack+0x2c/0x3c [ 38.387911][ T4548] __dump_stack+0x30/0x40 [ 38.388549][ T4548] dump_stack_lvl+0xf8/0x160 [ 38.389186][ T4548] dump_stack+0x1c/0x5c [ 38.389756][ T4548] sysfs_create_dir_ns+0x22c/0x24c [ 38.390488][ T4548] kobject_add_internal+0x5a8/0xb30 [ 38.391234][ T4548] kobject_init_and_add+0x118/0x17c [ 38.391967][ T4548] gfs2_sys_fs_add+0x1dc/0x3d8 [ 38.392654][ T4548] gfs2_fill_super+0xdec/0x19ec [ 38.393412][ T4548] get_tree_bdev+0x358/0x544 [ 38.394124][ T4548] gfs2_get_tree+0x54/0x1b4 [ 38.394838][ T4548] vfs_get_tree+0x90/0x274 [ 38.395732][ T4548] do_new_mount+0x228/0x810 [ 38.396385][ T4548] path_mount+0x5b4/0xe78 [ 38.397019][ T4548] __arm64_sys_mount+0x49c/0x584 [ 38.397754][ T4548] invoke_syscall+0x98/0x2bc [ 38.398436][ T4548] el0_svc_common+0x138/0x258 [ 38.399112][ T4548] do_el0_svc+0x58/0x13c [ 38.399709][ T4548] el0_svc+0x58/0x138 [ 38.400279][ T4548] el0t_64_sync_handler+0x84/0xf0 [ 38.401004][ T4548] el0t_64_sync+0x18c/0x190 [ 38.401691][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 38.403459][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 38.467418][ T4552] loop1: detected capacity change from 0 to 32768 [ 38.471485][ T4552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 38.472716][ T4552] CPU: 0 PID: 4552 Comm: syz.1.31 Not tainted syzkaller #0 [ 38.473867][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.475468][ T4552] Call trace: [ 38.475961][ T4552] dump_backtrace+0x1c8/0x1f4 [ 38.476688][ T4552] show_stack+0x2c/0x3c [ 38.477341][ T4552] __dump_stack+0x30/0x40 [ 38.477983][ T4552] dump_stack_lvl+0xf8/0x160 [ 38.478733][ T4552] dump_stack+0x1c/0x5c [ 38.479374][ T4552] sysfs_create_dir_ns+0x22c/0x24c [ 38.480160][ T4552] kobject_add_internal+0x5a8/0xb30 [ 38.480937][ T4552] kobject_init_and_add+0x118/0x17c [ 38.481702][ T4552] gfs2_sys_fs_add+0x1dc/0x3d8 [ 38.482403][ T4552] gfs2_fill_super+0xdec/0x19ec [ 38.483118][ T4552] get_tree_bdev+0x358/0x544 [ 38.483816][ T4552] gfs2_get_tree+0x54/0x1b4 [ 38.484495][ T4552] vfs_get_tree+0x90/0x274 [ 38.485153][ T4552] do_new_mount+0x228/0x810 [ 38.485835][ T4552] path_mount+0x5b4/0xe78 [ 38.486475][ T4552] __arm64_sys_mount+0x49c/0x584 [ 38.487194][ T4552] invoke_syscall+0x98/0x2bc [ 38.487876][ T4552] el0_svc_common+0x138/0x258 [ 38.488590][ T4552] do_el0_svc+0x58/0x13c [ 38.489171][ T4552] el0_svc+0x58/0x138 [ 38.489720][ T4552] el0t_64_sync_handler+0x84/0xf0 [ 38.490431][ T4552] el0t_64_sync+0x18c/0x190 [ 38.491115][ T4552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 38.492906][ T4552] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 38.554612][ T4549] gfs2: fsid=syz:syz.0: found 1 quota changes [ 38.563907][ T4553] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 38.563907][ T4553] inode = 11 2339 [ 38.563907][ T4553] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 38.567503][ T4553] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 38.573586][ T4553] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4553 [gfs2_quotad] gfs2_quota_sync+0x2e0/0x528 [ 38.575162][ T4553] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 38.581751][ T4553] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 38.585886][ T4553] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 38.589842][ T4553] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 38.591046][ T4553] gfs2: fsid=syz:syz.0: File system withdrawn [ 38.597292][ T4555] loop3: detected capacity change from 0 to 32768 [ 38.597395][ T4553] CPU: 1 PID: 4553 Comm: gfs2_quotad Not tainted syzkaller #0 [ 38.599491][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.600010][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 38.601118][ T4553] Call trace: [ 38.602794][ T4553] dump_backtrace+0x1c8/0x1f4 [ 38.603565][ T4553] show_stack+0x2c/0x3c [ 38.604261][ T4553] __dump_stack+0x30/0x40 [ 38.604997][ T4553] dump_stack_lvl+0xf8/0x160 [ 38.605706][ T4553] dump_stack+0x1c/0x5c [ 38.606373][ T4553] gfs2_withdraw+0xf9c/0x13a8 [ 38.607097][ T4553] gfs2_consist_inode_i+0xf0/0x10c [ 38.607866][ T4553] gfs2_inode_refresh+0x920/0xd54 [ 38.608601][ T4553] inode_go_instantiate+0x4c/0x68 [ 38.609332][ T4553] gfs2_instantiate+0x17c/0x2c4 [ 38.609996][ T4553] gfs2_glock_wait+0x1b4/0x298 [ 38.610690][ T4553] gfs2_glock_nq+0x8bc/0x11d4 [ 38.611386][ T4553] do_sync+0x40c/0xa94 [ 38.612007][ T4553] gfs2_quota_sync+0x2e0/0x528 [ 38.612729][ T4553] gfs2_quotad+0x2d8/0x4fc [ 38.613404][ T4553] kthread+0x250/0x2d8 [ 38.614018][ T4553] ret_from_fork+0x10/0x20 [ 38.614675][ T4555] CPU: 0 PID: 4555 Comm: syz.3.32 Not tainted syzkaller #0 [ 38.615755][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.617203][ T4555] Call trace: [ 38.617695][ T4555] dump_backtrace+0x1c8/0x1f4 [ 38.618452][ T4555] show_stack+0x2c/0x3c [ 38.619105][ T4555] __dump_stack+0x30/0x40 [ 38.619834][ T4555] dump_stack_lvl+0xf8/0x160 [ 38.620484][ T4555] dump_stack+0x1c/0x5c [ 38.621073][ T4555] sysfs_create_dir_ns+0x22c/0x24c [ 38.621878][ T4555] kobject_add_internal+0x5a8/0xb30 [ 38.622670][ T4555] kobject_init_and_add+0x118/0x17c [ 38.623462][ T4555] gfs2_sys_fs_add+0x1dc/0x3d8 [ 38.624177][ T4555] gfs2_fill_super+0xdec/0x19ec [ 38.624901][ T4555] get_tree_bdev+0x358/0x544 [ 38.625610][ T4555] gfs2_get_tree+0x54/0x1b4 [ 38.626289][ T4555] vfs_get_tree+0x90/0x274 [ 38.626954][ T4555] do_new_mount+0x228/0x810 [ 38.627594][ T4555] path_mount+0x5b4/0xe78 [ 38.628218][ T4555] __arm64_sys_mount+0x49c/0x584 [ 38.629018][ T4555] invoke_syscall+0x98/0x2bc [ 38.629707][ T4555] el0_svc_common+0x138/0x258 [ 38.630421][ T4555] do_el0_svc+0x58/0x13c [ 38.631062][ T4555] el0_svc+0x58/0x138 [ 38.631630][ T4555] el0t_64_sync_handler+0x84/0xf0 [ 38.632349][ T4555] el0t_64_sync+0x18c/0x190 [ 38.633034][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 38.634885][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 38.704158][ T4405] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 38.745259][ T4448] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 38.747445][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 38.748698][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.750318][ T4448] Call trace: [ 38.750823][ T4448] dump_backtrace+0x1c8/0x1f4 [ 38.751598][ T4448] show_stack+0x2c/0x3c [ 38.752239][ T4448] __dump_stack+0x30/0x40 [ 38.752876][ T4448] dump_stack_lvl+0xf8/0x160 [ 38.753551][ T4448] dump_stack+0x1c/0x5c [ 38.754191][ T4448] gfs2_assert_warn_i+0x16c/0x26c [ 38.754964][ T4448] gfs2_quota_cleanup+0x454/0x65c [ 38.755685][ T4448] gfs2_put_super+0x1f0/0x764 [ 38.756413][ T4448] generic_shutdown_super+0x130/0x324 [ 38.757241][ T4448] kill_block_super+0x70/0xdc [ 38.757949][ T4448] gfs2_kill_sb+0xc0/0xd4 [ 38.758593][ T4448] deactivate_locked_super+0xac/0x124 [ 38.759441][ T4448] deactivate_super+0xe8/0x108 [ 38.760125][ T4448] cleanup_mnt+0x37c/0x404 [ 38.760812][ T4448] __cleanup_mnt+0x20/0x30 [ 38.761452][ T4448] task_work_run+0x1ec/0x270 [ 38.762088][ T4448] do_notify_resume+0x2038/0x2b28 [ 38.762836][ T4448] el0_svc+0x98/0x138 [ 38.763463][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 38.764191][ T4448] el0t_64_sync+0x18c/0x190 [ 38.769171][ T4556] loop1: detected capacity change from 0 to 32768 [ 38.878583][ T4558] loop0: detected capacity change from 0 to 32768 [ 38.879008][ T4559] loop3: detected capacity change from 0 to 32768 [ 38.888436][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 38.888796][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 38.889597][ T4558] CPU: 0 PID: 4558 Comm: syz.0.35 Not tainted syzkaller #0 [ 38.891791][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.893294][ T4558] Call trace: [ 38.893765][ T4558] dump_backtrace+0x1c8/0x1f4 [ 38.894521][ T4558] show_stack+0x2c/0x3c [ 38.895175][ T4558] __dump_stack+0x30/0x40 [ 38.895804][ T4558] dump_stack_lvl+0xf8/0x160 [ 38.896528][ T4558] dump_stack+0x1c/0x5c [ 38.897131][ T4558] sysfs_create_dir_ns+0x22c/0x24c [ 38.897864][ T4558] kobject_add_internal+0x5a8/0xb30 [ 38.898637][ T4558] kobject_init_and_add+0x118/0x17c [ 38.899366][ T4558] gfs2_sys_fs_add+0x1dc/0x3d8 [ 38.900101][ T4558] gfs2_fill_super+0xdec/0x19ec [ 38.900781][ T4558] get_tree_bdev+0x358/0x544 [ 38.901402][ T4558] gfs2_get_tree+0x54/0x1b4 [ 38.902035][ T4558] vfs_get_tree+0x90/0x274 [ 38.902635][ T4558] do_new_mount+0x228/0x810 [ 38.903295][ T4558] path_mount+0x5b4/0xe78 [ 38.903889][ T4558] __arm64_sys_mount+0x49c/0x584 [ 38.904599][ T4558] invoke_syscall+0x98/0x2bc [ 38.905251][ T4558] el0_svc_common+0x138/0x258 [ 38.905947][ T4558] do_el0_svc+0x58/0x13c [ 38.906537][ T4558] el0_svc+0x58/0x138 [ 38.907105][ T4558] el0t_64_sync_handler+0x84/0xf0 [ 38.907897][ T4558] el0t_64_sync+0x18c/0x190 [ 38.908596][ T4556] CPU: 1 PID: 4556 Comm: syz.1.33 Not tainted syzkaller #0 [ 38.908671][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 38.909659][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.911592][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 38.913015][ T4556] Call trace: [ 38.914456][ T4556] dump_backtrace+0x1c8/0x1f4 [ 38.915228][ T4556] show_stack+0x2c/0x3c [ 38.915828][ T4556] __dump_stack+0x30/0x40 [ 38.916468][ T4556] dump_stack_lvl+0xf8/0x160 [ 38.917110][ T4556] dump_stack+0x1c/0x5c [ 38.917668][ T4556] sysfs_create_dir_ns+0x22c/0x24c [ 38.918426][ T4556] kobject_add_internal+0x5a8/0xb30 [ 38.919167][ T4556] kobject_init_and_add+0x118/0x17c [ 38.919888][ T4556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 38.920577][ T4556] gfs2_fill_super+0xdec/0x19ec [ 38.921305][ T4556] get_tree_bdev+0x358/0x544 [ 38.922029][ T4556] gfs2_get_tree+0x54/0x1b4 [ 38.922718][ T4556] vfs_get_tree+0x90/0x274 [ 38.923350][ T4556] do_new_mount+0x228/0x810 [ 38.924010][ T4556] path_mount+0x5b4/0xe78 [ 38.924603][ T4556] __arm64_sys_mount+0x49c/0x584 [ 38.925336][ T4556] invoke_syscall+0x98/0x2bc [ 38.926039][ T4556] el0_svc_common+0x138/0x258 [ 38.926728][ T4556] do_el0_svc+0x58/0x13c [ 38.927350][ T4556] el0_svc+0x58/0x138 [ 38.927938][ T4556] el0t_64_sync_handler+0x84/0xf0 [ 38.928633][ T4556] el0t_64_sync+0x18c/0x190 [ 38.929951][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 38.930471][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 38.930999][ T4559] CPU: 0 PID: 4559 Comm: syz.3.36 Not tainted syzkaller #0 [ 38.933108][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 38.934139][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 38.936709][ T4559] Call trace: [ 38.937239][ T4559] dump_backtrace+0x1c8/0x1f4 [ 38.937976][ T4559] show_stack+0x2c/0x3c [ 38.938615][ T4559] __dump_stack+0x30/0x40 [ 38.939298][ T4559] dump_stack_lvl+0xf8/0x160 [ 38.940060][ T4559] dump_stack+0x1c/0x5c [ 38.940682][ T4559] sysfs_create_dir_ns+0x22c/0x24c [ 38.941437][ T4559] kobject_add_internal+0x5a8/0xb30 [ 38.942164][ T4559] kobject_init_and_add+0x118/0x17c [ 38.942940][ T4559] gfs2_sys_fs_add+0x1dc/0x3d8 [ 38.943680][ T4559] gfs2_fill_super+0xdec/0x19ec [ 38.944411][ T4559] get_tree_bdev+0x358/0x544 [ 38.945150][ T4559] gfs2_get_tree+0x54/0x1b4 [ 38.945808][ T4559] vfs_get_tree+0x90/0x274 [ 38.946448][ T4559] do_new_mount+0x228/0x810 [ 38.947138][ T4559] path_mount+0x5b4/0xe78 [ 38.947790][ T4559] __arm64_sys_mount+0x49c/0x584 [ 38.948510][ T4559] invoke_syscall+0x98/0x2bc [ 38.949246][ T4559] el0_svc_common+0x138/0x258 [ 38.949946][ T4559] do_el0_svc+0x58/0x13c [ 38.950600][ T4559] el0_svc+0x58/0x138 [ 38.951236][ T4559] el0t_64_sync_handler+0x84/0xf0 [ 38.951992][ T4559] el0t_64_sync+0x18c/0x190 [ 38.952880][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 38.954760][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 39.369195][ T4350] Bluetooth: hci2: command 0x040f tx timeout [ 39.370258][ T4350] Bluetooth: hci0: command 0x040f tx timeout [ 39.371172][ T4350] Bluetooth: hci1: command 0x040f tx timeout [ 39.385524][ T4566] loop1: detected capacity change from 0 to 32768 [ 39.387434][ T47] Bluetooth: hci3: command 0x040f tx timeout [ 39.394359][ T4566] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 39.395622][ T4566] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 39.499011][ T4350] Bluetooth: hci4: command 0x040f tx timeout [ 39.636354][ T4570] loop0: detected capacity change from 0 to 32768 [ 39.676957][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 39.678247][ T4570] CPU: 1 PID: 4570 Comm: syz.0.44 Not tainted syzkaller #0 [ 39.679385][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 39.680865][ T4570] Call trace: [ 39.681397][ T4570] dump_backtrace+0x1c8/0x1f4 [ 39.682117][ T4570] show_stack+0x2c/0x3c [ 39.682780][ T4570] __dump_stack+0x30/0x40 [ 39.683440][ T4570] dump_stack_lvl+0xf8/0x160 [ 39.684136][ T4570] dump_stack+0x1c/0x5c [ 39.684736][ T4570] sysfs_create_dir_ns+0x22c/0x24c [ 39.685457][ T4570] kobject_add_internal+0x5a8/0xb30 [ 39.686244][ T4570] kobject_init_and_add+0x118/0x17c [ 39.687056][ T4570] gfs2_sys_fs_add+0x1dc/0x3d8 [ 39.687823][ T4570] gfs2_fill_super+0xdec/0x19ec [ 39.688552][ T4570] get_tree_bdev+0x358/0x544 [ 39.689298][ T4570] gfs2_get_tree+0x54/0x1b4 [ 39.689995][ T4570] vfs_get_tree+0x90/0x274 [ 39.690685][ T4570] do_new_mount+0x228/0x810 [ 39.691377][ T4570] path_mount+0x5b4/0xe78 [ 39.691991][ T4570] __arm64_sys_mount+0x49c/0x584 [ 39.692729][ T4570] invoke_syscall+0x98/0x2bc [ 39.693392][ T4570] el0_svc_common+0x138/0x258 [ 39.694087][ T4570] do_el0_svc+0x58/0x13c [ 39.694781][ T4570] el0_svc+0x58/0x138 [ 39.695332][ T4570] el0t_64_sync_handler+0x84/0xf0 [ 39.696034][ T4570] el0t_64_sync+0x18c/0x190 [ 39.696803][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 39.698639][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 39.706853][ T4566] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 39.709103][ T4349] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 39.710112][ T4349] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 39.726177][ T4349] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 16ms [ 39.728765][ T4349] gfs2: fsid=syz:syz.0: jid=0: Done [ 39.729614][ T4566] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 39.821342][ T4573] loop2: detected capacity change from 0 to 32768 [ 39.854208][ T4573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 39.855460][ T4573] CPU: 1 PID: 4573 Comm: syz.2.45 Not tainted syzkaller #0 [ 39.856554][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 39.858050][ T4573] Call trace: [ 39.858566][ T4573] dump_backtrace+0x1c8/0x1f4 [ 39.859416][ T4573] show_stack+0x2c/0x3c [ 39.860078][ T4573] __dump_stack+0x30/0x40 [ 39.860736][ T4573] dump_stack_lvl+0xf8/0x160 [ 39.861410][ T4573] dump_stack+0x1c/0x5c [ 39.862088][ T4573] sysfs_create_dir_ns+0x22c/0x24c [ 39.862847][ T4573] kobject_add_internal+0x5a8/0xb30 [ 39.863583][ T4573] kobject_init_and_add+0x118/0x17c [ 39.864341][ T4573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 39.865087][ T4573] gfs2_fill_super+0xdec/0x19ec [ 39.865809][ T4573] get_tree_bdev+0x358/0x544 [ 39.866457][ T4573] gfs2_get_tree+0x54/0x1b4 [ 39.867094][ T4573] vfs_get_tree+0x90/0x274 [ 39.867790][ T4573] do_new_mount+0x228/0x810 [ 39.868433][ T4573] path_mount+0x5b4/0xe78 [ 39.869127][ T4573] __arm64_sys_mount+0x49c/0x584 [ 39.869908][ T4573] invoke_syscall+0x98/0x2bc [ 39.870657][ T4573] el0_svc_common+0x138/0x258 [ 39.871396][ T4573] do_el0_svc+0x58/0x13c [ 39.871966][ T4573] el0_svc+0x58/0x138 [ 39.872546][ T4573] el0t_64_sync_handler+0x84/0xf0 [ 39.873285][ T4573] el0t_64_sync+0x18c/0x190 [ 39.874064][ T4573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 39.875906][ T4573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 39.884626][ T4575] loop0: detected capacity change from 0 to 32768 [ 39.886723][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 39.887899][ T4575] CPU: 0 PID: 4575 Comm: syz.0.47 Not tainted syzkaller #0 [ 39.889048][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 39.890699][ T4575] Call trace: [ 39.891318][ T4575] dump_backtrace+0x1c8/0x1f4 [ 39.892034][ T4575] show_stack+0x2c/0x3c [ 39.892690][ T4575] __dump_stack+0x30/0x40 [ 39.893368][ T4575] dump_stack_lvl+0xf8/0x160 [ 39.894092][ T4575] dump_stack+0x1c/0x5c [ 39.894750][ T4575] sysfs_create_dir_ns+0x22c/0x24c [ 39.895513][ T4575] kobject_add_internal+0x5a8/0xb30 [ 39.896252][ T4575] kobject_init_and_add+0x118/0x17c [ 39.897124][ T4575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 39.897866][ T4575] gfs2_fill_super+0xdec/0x19ec [ 39.898610][ T4575] get_tree_bdev+0x358/0x544 [ 39.899276][ T4575] gfs2_get_tree+0x54/0x1b4 [ 39.899977][ T4575] vfs_get_tree+0x90/0x274 [ 39.900657][ T4575] do_new_mount+0x228/0x810 [ 39.901325][ T4575] path_mount+0x5b4/0xe78 [ 39.902000][ T4575] __arm64_sys_mount+0x49c/0x584 [ 39.902744][ T4575] invoke_syscall+0x98/0x2bc [ 39.903409][ T4575] el0_svc_common+0x138/0x258 [ 39.904065][ T4575] do_el0_svc+0x58/0x13c [ 39.904706][ T4575] el0_svc+0x58/0x138 [ 39.905343][ T4575] el0t_64_sync_handler+0x84/0xf0 [ 39.906039][ T4575] el0t_64_sync+0x18c/0x190 [ 39.907584][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 39.909549][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 39.990776][ T4566] gfs2: fsid=syz:syz.0: found 1 quota changes [ 39.995978][ T4447] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 39.995978][ T4447] inode = 11 2339 [ 39.995978][ T4447] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 40.001896][ T4447] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 40.003311][ T4447] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4447 [syz-executor] gfs2_quota_sync+0x2e0/0x528 [ 40.004952][ T4447] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 40.012843][ T4576] loop3: detected capacity change from 0 to 32768 [ 40.013979][ T4447] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 40.015213][ T4576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 40.016390][ T4576] CPU: 0 PID: 4576 Comm: syz.3.48 Not tainted syzkaller #0 [ 40.017451][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.018904][ T4576] Call trace: [ 40.019421][ T4576] dump_backtrace+0x1c8/0x1f4 [ 40.020061][ T4576] show_stack+0x2c/0x3c [ 40.020660][ T4576] __dump_stack+0x30/0x40 [ 40.021300][ T4576] dump_stack_lvl+0xf8/0x160 [ 40.022051][ T4576] dump_stack+0x1c/0x5c [ 40.022654][ T4576] sysfs_create_dir_ns+0x22c/0x24c [ 40.022934][ T4447] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 40.023421][ T4576] kobject_add_internal+0x5a8/0xb30 [ 40.024692][ T4447] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 40.025422][ T4576] kobject_init_and_add+0x118/0x17c [ 40.026473][ T4447] gfs2: fsid=syz:syz.0: File system withdrawn [ 40.027064][ T4576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 40.027083][ T4576] gfs2_fill_super+0xdec/0x19ec [ 40.027089][ T4576] get_tree_bdev+0x358/0x544 [ 40.027096][ T4576] gfs2_get_tree+0x54/0x1b4 [ 40.030678][ T4576] vfs_get_tree+0x90/0x274 [ 40.031345][ T4576] do_new_mount+0x228/0x810 [ 40.032014][ T4576] path_mount+0x5b4/0xe78 [ 40.032722][ T4576] __arm64_sys_mount+0x49c/0x584 [ 40.033439][ T4576] invoke_syscall+0x98/0x2bc [ 40.034080][ T4576] el0_svc_common+0x138/0x258 [ 40.034700][ T4576] do_el0_svc+0x58/0x13c [ 40.035345][ T4576] el0_svc+0x58/0x138 [ 40.035907][ T4576] el0t_64_sync_handler+0x84/0xf0 [ 40.036624][ T4576] el0t_64_sync+0x18c/0x190 [ 40.038078][ T4447] CPU: 1 PID: 4447 Comm: syz-executor Not tainted syzkaller #0 [ 40.038104][ T4576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 40.039334][ T4447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.041328][ T4576] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 40.042736][ T4447] Call trace: [ 40.044296][ T4447] dump_backtrace+0x1c8/0x1f4 [ 40.045032][ T4447] show_stack+0x2c/0x3c [ 40.045689][ T4447] __dump_stack+0x30/0x40 [ 40.046361][ T4447] dump_stack_lvl+0xf8/0x160 [ 40.047022][ T4447] dump_stack+0x1c/0x5c [ 40.047605][ T4447] gfs2_withdraw+0xf9c/0x13a8 [ 40.048315][ T4447] gfs2_consist_inode_i+0xf0/0x10c [ 40.049045][ T4447] gfs2_inode_refresh+0x920/0xd54 [ 40.049761][ T4447] inode_go_instantiate+0x4c/0x68 [ 40.050507][ T4447] gfs2_instantiate+0x17c/0x2c4 [ 40.051237][ T4447] gfs2_glock_wait+0x1b4/0x298 [ 40.051940][ T4447] gfs2_glock_nq+0x8bc/0x11d4 [ 40.052594][ T4447] do_sync+0x40c/0xa94 [ 40.053200][ T4447] gfs2_quota_sync+0x2e0/0x528 [ 40.053955][ T4447] gfs2_sync_fs+0x4c/0xc4 [ 40.054626][ T4447] sync_filesystem+0xe8/0x218 [ 40.055334][ T4447] generic_shutdown_super+0x70/0x324 [ 40.056146][ T4447] kill_block_super+0x70/0xdc [ 40.056795][ T4447] gfs2_kill_sb+0xc0/0xd4 [ 40.057418][ T4447] deactivate_locked_super+0xac/0x124 [ 40.058194][ T4447] deactivate_super+0xe8/0x108 [ 40.058931][ T4447] cleanup_mnt+0x37c/0x404 [ 40.059586][ T4447] __cleanup_mnt+0x20/0x30 [ 40.060203][ T4447] task_work_run+0x1ec/0x270 [ 40.060877][ T4447] do_notify_resume+0x2038/0x2b28 [ 40.061632][ T4447] el0_svc+0x98/0x138 [ 40.062213][ T4447] el0t_64_sync_handler+0x84/0xf0 [ 40.062922][ T4447] el0t_64_sync+0x18c/0x190 [ 40.069471][ T4456] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.099753][ T4535] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 40.105323][ T4330] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 40.209823][ T4579] loop0: detected capacity change from 0 to 32768 [ 40.210113][ T4578] loop2: detected capacity change from 0 to 32768 [ 40.214972][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 40.216121][ T4578] CPU: 1 PID: 4578 Comm: syz.2.51 Not tainted syzkaller #0 [ 40.217241][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.218742][ T4578] Call trace: [ 40.219269][ T4578] dump_backtrace+0x1c8/0x1f4 [ 40.219961][ T4578] show_stack+0x2c/0x3c [ 40.220625][ T4578] __dump_stack+0x30/0x40 [ 40.221250][ T4578] dump_stack_lvl+0xf8/0x160 [ 40.221958][ T4578] dump_stack+0x1c/0x5c [ 40.222524][ T4578] sysfs_create_dir_ns+0x22c/0x24c [ 40.223257][ T4578] kobject_add_internal+0x5a8/0xb30 [ 40.224044][ T4578] kobject_init_and_add+0x118/0x17c [ 40.224776][ T4578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 40.225504][ T4578] gfs2_fill_super+0xdec/0x19ec [ 40.226239][ T4578] get_tree_bdev+0x358/0x544 [ 40.226910][ T4578] gfs2_get_tree+0x54/0x1b4 [ 40.227536][ T4578] vfs_get_tree+0x90/0x274 [ 40.228198][ T4578] do_new_mount+0x228/0x810 [ 40.228927][ T4578] path_mount+0x5b4/0xe78 [ 40.229551][ T4578] __arm64_sys_mount+0x49c/0x584 [ 40.230383][ T4578] invoke_syscall+0x98/0x2bc [ 40.231129][ T4578] el0_svc_common+0x138/0x258 [ 40.231892][ T4578] do_el0_svc+0x58/0x13c [ 40.232571][ T4578] el0_svc+0x58/0x138 [ 40.233204][ T4578] el0t_64_sync_handler+0x84/0xf0 [ 40.233944][ T4578] el0t_64_sync+0x18c/0x190 [ 40.234725][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 40.236699][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 40.244232][ T4447] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 40.246437][ T4447] CPU: 0 PID: 4447 Comm: syz-executor Not tainted syzkaller #0 [ 40.247490][ T4447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.249109][ T4447] Call trace: [ 40.249637][ T4447] dump_backtrace+0x1c8/0x1f4 [ 40.250360][ T4447] show_stack+0x2c/0x3c [ 40.251002][ T4447] __dump_stack+0x30/0x40 [ 40.251700][ T4447] dump_stack_lvl+0xf8/0x160 [ 40.252439][ T4447] dump_stack+0x1c/0x5c [ 40.253078][ T4447] gfs2_assert_warn_i+0x16c/0x26c [ 40.253864][ T4447] gfs2_quota_cleanup+0x454/0x65c [ 40.254599][ T4447] gfs2_put_super+0x1f0/0x764 [ 40.255372][ T4447] generic_shutdown_super+0x130/0x324 [ 40.256148][ T4447] kill_block_super+0x70/0xdc [ 40.256841][ T4447] gfs2_kill_sb+0xc0/0xd4 [ 40.257510][ T4447] deactivate_locked_super+0xac/0x124 [ 40.258341][ T4447] deactivate_super+0xe8/0x108 [ 40.259057][ T4447] cleanup_mnt+0x37c/0x404 [ 40.259767][ T4447] __cleanup_mnt+0x20/0x30 [ 40.260405][ T4447] task_work_run+0x1ec/0x270 [ 40.261119][ T4447] do_notify_resume+0x2038/0x2b28 [ 40.261851][ T4447] el0_svc+0x98/0x138 [ 40.262450][ T4447] el0t_64_sync_handler+0x84/0xf0 [ 40.263159][ T4447] el0t_64_sync+0x18c/0x190 [ 40.357926][ T4580] loop3: detected capacity change from 0 to 32768 [ 40.426778][ T4579] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 40.428154][ T4579] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 40.439438][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 40.440680][ T4580] CPU: 0 PID: 4580 Comm: syz.3.52 Not tainted syzkaller #0 [ 40.441917][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.443521][ T4580] Call trace: [ 40.444004][ T4580] dump_backtrace+0x1c8/0x1f4 [ 40.444715][ T4580] show_stack+0x2c/0x3c [ 40.445302][ T4580] __dump_stack+0x30/0x40 [ 40.445938][ T4580] dump_stack_lvl+0xf8/0x160 [ 40.446597][ T4580] dump_stack+0x1c/0x5c [ 40.447188][ T4580] sysfs_create_dir_ns+0x22c/0x24c [ 40.447904][ T4580] kobject_add_internal+0x5a8/0xb30 [ 40.448671][ T4580] kobject_init_and_add+0x118/0x17c [ 40.449415][ T4580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 40.450120][ T4580] gfs2_fill_super+0xdec/0x19ec [ 40.450870][ T4580] get_tree_bdev+0x358/0x544 [ 40.451560][ T4580] gfs2_get_tree+0x54/0x1b4 [ 40.452271][ T4580] vfs_get_tree+0x90/0x274 [ 40.452939][ T4580] do_new_mount+0x228/0x810 [ 40.453639][ T4580] path_mount+0x5b4/0xe78 [ 40.454255][ T4580] __arm64_sys_mount+0x49c/0x584 [ 40.455005][ T4580] invoke_syscall+0x98/0x2bc [ 40.455697][ T4580] el0_svc_common+0x138/0x258 [ 40.456350][ T4580] do_el0_svc+0x58/0x13c [ 40.456917][ T4580] el0_svc+0x58/0x138 [ 40.457491][ T4580] el0t_64_sync_handler+0x84/0xf0 [ 40.458260][ T4580] el0t_64_sync+0x18c/0x190 [ 40.458958][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 40.460815][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 40.470835][ T4579] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 40.472532][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 40.473624][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 40.587778][ T4583] loop3: detected capacity change from 0 to 32768 [ 40.603359][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 40.604644][ T4583] CPU: 0 PID: 4583 Comm: syz.3.55 Not tainted syzkaller #0 [ 40.605812][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.607357][ T4583] Call trace: [ 40.607856][ T4583] dump_backtrace+0x1c8/0x1f4 [ 40.608577][ T4583] show_stack+0x2c/0x3c [ 40.609215][ T4583] __dump_stack+0x30/0x40 [ 40.609849][ T4583] dump_stack_lvl+0xf8/0x160 [ 40.610510][ T4583] dump_stack+0x1c/0x5c [ 40.611167][ T4583] sysfs_create_dir_ns+0x22c/0x24c [ 40.611951][ T4583] kobject_add_internal+0x5a8/0xb30 [ 40.612767][ T4583] kobject_init_and_add+0x118/0x17c [ 40.613558][ T4583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 40.614282][ T4583] gfs2_fill_super+0xdec/0x19ec [ 40.615021][ T4583] get_tree_bdev+0x358/0x544 [ 40.615745][ T4583] gfs2_get_tree+0x54/0x1b4 [ 40.616405][ T4583] vfs_get_tree+0x90/0x274 [ 40.617084][ T4583] do_new_mount+0x228/0x810 [ 40.617778][ T4583] path_mount+0x5b4/0xe78 [ 40.618440][ T4583] __arm64_sys_mount+0x49c/0x584 [ 40.619190][ T4583] invoke_syscall+0x98/0x2bc [ 40.619911][ T4583] el0_svc_common+0x138/0x258 [ 40.620557][ T4583] do_el0_svc+0x58/0x13c [ 40.621230][ T4583] el0_svc+0x58/0x138 [ 40.621863][ T4583] el0t_64_sync_handler+0x84/0xf0 [ 40.622587][ T4583] el0t_64_sync+0x18c/0x190 [ 40.623273][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 40.625172][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 40.633112][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 159ms [ 40.634459][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 40.635282][ T4579] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 40.739436][ T4585] loop2: detected capacity change from 0 to 32768 [ 40.773450][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 40.774412][ T4586] loop1: detected capacity change from 0 to 32768 [ 40.774535][ T4585] CPU: 0 PID: 4585 Comm: syz.2.54 Not tainted syzkaller #0 [ 40.776583][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.778072][ T4585] Call trace: [ 40.778560][ T4585] dump_backtrace+0x1c8/0x1f4 [ 40.779283][ T4585] show_stack+0x2c/0x3c [ 40.779574][ T4586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 40.779902][ T4585] __dump_stack+0x30/0x40 [ 40.781719][ T4585] dump_stack_lvl+0xf8/0x160 [ 40.782417][ T4585] dump_stack+0x1c/0x5c [ 40.782979][ T4585] sysfs_create_dir_ns+0x22c/0x24c [ 40.783744][ T4585] kobject_add_internal+0x5a8/0xb30 [ 40.784490][ T4585] kobject_init_and_add+0x118/0x17c [ 40.785249][ T4585] gfs2_sys_fs_add+0x1dc/0x3d8 [ 40.785967][ T4585] gfs2_fill_super+0xdec/0x19ec [ 40.786761][ T4585] get_tree_bdev+0x358/0x544 [ 40.787509][ T4585] gfs2_get_tree+0x54/0x1b4 [ 40.788158][ T4585] vfs_get_tree+0x90/0x274 [ 40.788786][ T4585] do_new_mount+0x228/0x810 [ 40.789417][ T4585] path_mount+0x5b4/0xe78 [ 40.790093][ T4585] __arm64_sys_mount+0x49c/0x584 [ 40.790780][ T4585] invoke_syscall+0x98/0x2bc [ 40.791460][ T4585] el0_svc_common+0x138/0x258 [ 40.792195][ T4585] do_el0_svc+0x58/0x13c [ 40.792845][ T4585] el0_svc+0x58/0x138 [ 40.793449][ T4585] el0t_64_sync_handler+0x84/0xf0 [ 40.794201][ T4585] el0t_64_sync+0x18c/0x190 [ 40.794844][ T4586] CPU: 1 PID: 4586 Comm: syz.1.57 Not tainted syzkaller #0 [ 40.794893][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 40.795910][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 40.797699][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 40.799179][ T4586] Call trace: [ 40.799186][ T4586] dump_backtrace+0x1c8/0x1f4 [ 40.801242][ T4586] show_stack+0x2c/0x3c [ 40.801833][ T4586] __dump_stack+0x30/0x40 [ 40.802450][ T4586] dump_stack_lvl+0xf8/0x160 [ 40.803135][ T4586] dump_stack+0x1c/0x5c [ 40.803739][ T4586] sysfs_create_dir_ns+0x22c/0x24c [ 40.804540][ T4586] kobject_add_internal+0x5a8/0xb30 [ 40.805355][ T4586] kobject_init_and_add+0x118/0x17c [ 40.806117][ T4586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 40.806858][ T4586] gfs2_fill_super+0xdec/0x19ec [ 40.807616][ T4586] get_tree_bdev+0x358/0x544 [ 40.808277][ T4586] gfs2_get_tree+0x54/0x1b4 [ 40.808938][ T4586] vfs_get_tree+0x90/0x274 [ 40.809601][ T4586] do_new_mount+0x228/0x810 [ 40.810204][ T4586] path_mount+0x5b4/0xe78 [ 40.810836][ T4586] __arm64_sys_mount+0x49c/0x584 [ 40.811542][ T4586] invoke_syscall+0x98/0x2bc [ 40.812220][ T4586] el0_svc_common+0x138/0x258 [ 40.812908][ T4586] do_el0_svc+0x58/0x13c [ 40.813501][ T4586] el0_svc+0x58/0x138 [ 40.814077][ T4586] el0t_64_sync_handler+0x84/0xf0 [ 40.814851][ T4586] el0t_64_sync+0x18c/0x190 [ 40.815529][ T4586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 40.817350][ T4586] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 40.849254][ T4547] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 40.995632][ T4589] loop3: detected capacity change from 0 to 32768 [ 41.008668][ T4589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 41.009907][ T4589] CPU: 0 PID: 4589 Comm: syz.3.58 Not tainted syzkaller #0 [ 41.010994][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 41.012509][ T4589] Call trace: [ 41.013010][ T4589] dump_backtrace+0x1c8/0x1f4 [ 41.013755][ T4589] show_stack+0x2c/0x3c [ 41.014417][ T4589] __dump_stack+0x30/0x40 [ 41.015074][ T4589] dump_stack_lvl+0xf8/0x160 [ 41.015755][ T4589] dump_stack+0x1c/0x5c [ 41.016401][ T4589] sysfs_create_dir_ns+0x22c/0x24c [ 41.017156][ T4589] kobject_add_internal+0x5a8/0xb30 [ 41.017952][ T4589] kobject_init_and_add+0x118/0x17c [ 41.018654][ T4589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 41.019369][ T4589] gfs2_fill_super+0xdec/0x19ec [ 41.020121][ T4589] get_tree_bdev+0x358/0x544 [ 41.020820][ T4589] gfs2_get_tree+0x54/0x1b4 [ 41.021508][ T4589] vfs_get_tree+0x90/0x274 [ 41.022159][ T4589] do_new_mount+0x228/0x810 [ 41.022818][ T4589] path_mount+0x5b4/0xe78 [ 41.023475][ T4589] __arm64_sys_mount+0x49c/0x584 [ 41.024207][ T4589] invoke_syscall+0x98/0x2bc [ 41.024917][ T4589] el0_svc_common+0x138/0x258 [ 41.025679][ T4589] do_el0_svc+0x58/0x13c [ 41.026384][ T4589] el0_svc+0x58/0x138 [ 41.027034][ T4589] el0t_64_sync_handler+0x84/0xf0 [ 41.027807][ T4589] el0t_64_sync+0x18c/0x190 [ 41.028443][ T4590] loop2: detected capacity change from 0 to 32768 [ 41.028582][ T4589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 41.031703][ T4589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 41.033857][ T4456] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.041317][ T4590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 41.042416][ T4590] CPU: 1 PID: 4590 Comm: syz.2.59 Not tainted syzkaller #0 [ 41.043063][ T4579] gfs2: fsid=syz:syz.0: found 1 quota changes [ 41.043468][ T4590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 41.045897][ T4590] Call trace: [ 41.046366][ T4590] dump_backtrace+0x1c8/0x1f4 [ 41.047082][ T4590] show_stack+0x2c/0x3c [ 41.047660][ T4590] __dump_stack+0x30/0x40 [ 41.048285][ T4590] dump_stack_lvl+0xf8/0x160 [ 41.048955][ T4590] dump_stack+0x1c/0x5c [ 41.049560][ T4590] sysfs_create_dir_ns+0x22c/0x24c [ 41.050361][ T4590] kobject_add_internal+0x5a8/0xb30 [ 41.051179][ T4590] kobject_init_and_add+0x118/0x17c [ 41.051975][ T4590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 41.052712][ T4590] gfs2_fill_super+0xdec/0x19ec [ 41.053446][ T4590] get_tree_bdev+0x358/0x544 [ 41.054187][ T4590] gfs2_get_tree+0x54/0x1b4 [ 41.054862][ T4590] vfs_get_tree+0x90/0x274 [ 41.055560][ T4590] do_new_mount+0x228/0x810 [ 41.056300][ T4590] path_mount+0x5b4/0xe78 [ 41.056992][ T4590] __arm64_sys_mount+0x49c/0x584 [ 41.057719][ T4590] invoke_syscall+0x98/0x2bc [ 41.058416][ T4590] el0_svc_common+0x138/0x258 [ 41.059118][ T4590] do_el0_svc+0x58/0x13c [ 41.059758][ T4590] el0_svc+0x58/0x138 [ 41.060382][ T4590] el0t_64_sync_handler+0x84/0xf0 [ 41.061102][ T4590] el0t_64_sync+0x18c/0x190 [ 41.062131][ T4590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 41.064093][ T4590] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 41.151257][ T4591] loop1: detected capacity change from 0 to 32768 [ 41.164678][ T4591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 41.165923][ T4591] CPU: 0 PID: 4591 Comm: syz.1.61 Not tainted syzkaller #0 [ 41.166966][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 41.168570][ T4591] Call trace: [ 41.169076][ T4591] dump_backtrace+0x1c8/0x1f4 [ 41.169815][ T4591] show_stack+0x2c/0x3c [ 41.170442][ T4591] __dump_stack+0x30/0x40 [ 41.171170][ T4591] dump_stack_lvl+0xf8/0x160 [ 41.171893][ T4591] dump_stack+0x1c/0x5c [ 41.172516][ T4591] sysfs_create_dir_ns+0x22c/0x24c [ 41.173267][ T4591] kobject_add_internal+0x5a8/0xb30 [ 41.174093][ T4591] kobject_init_and_add+0x118/0x17c [ 41.174836][ T4591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 41.175578][ T4591] gfs2_fill_super+0xdec/0x19ec [ 41.176361][ T4591] get_tree_bdev+0x358/0x544 [ 41.177057][ T4591] gfs2_get_tree+0x54/0x1b4 [ 41.177698][ T4591] vfs_get_tree+0x90/0x274 [ 41.178373][ T4591] do_new_mount+0x228/0x810 [ 41.179052][ T4591] path_mount+0x5b4/0xe78 [ 41.179697][ T4591] __arm64_sys_mount+0x49c/0x584 [ 41.180451][ T4591] invoke_syscall+0x98/0x2bc [ 41.181163][ T4591] el0_svc_common+0x138/0x258 [ 41.181873][ T4591] do_el0_svc+0x58/0x13c [ 41.182500][ T4591] el0_svc+0x58/0x138 [ 41.183091][ T4591] el0t_64_sync_handler+0x84/0xf0 [ 41.183877][ T4591] el0t_64_sync+0x18c/0x190 [ 41.184629][ T4591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 41.186539][ T4591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 41.215356][ T4444] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 41.215356][ T4444] inode = 11 2339 [ 41.215356][ T4444] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 41.457762][ T4444] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 41.481308][ T47] Bluetooth: hci3: command 0x0419 tx timeout [ 41.482273][ T47] Bluetooth: hci1: command 0x0419 tx timeout [ 41.483209][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 41.484113][ T47] Bluetooth: hci2: command 0x0419 tx timeout [ 41.485200][ T4444] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4444 [syz-executor] gfs2_quota_sync+0x2e0/0x528 [ 41.486794][ T4444] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 41.487982][ T4444] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 41.511204][ T4444] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 41.512465][ T4444] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 41.518499][ T4444] gfs2: fsid=syz:syz.0: File system withdrawn [ 41.519485][ T4444] CPU: 0 PID: 4444 Comm: syz-executor Not tainted syzkaller #0 [ 41.520689][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 41.522255][ T4444] Call trace: [ 41.522745][ T4444] dump_backtrace+0x1c8/0x1f4 [ 41.523427][ T4444] show_stack+0x2c/0x3c [ 41.524061][ T4444] __dump_stack+0x30/0x40 [ 41.524765][ T4444] dump_stack_lvl+0xf8/0x160 [ 41.525472][ T4444] dump_stack+0x1c/0x5c [ 41.526097][ T4444] gfs2_withdraw+0xf9c/0x13a8 [ 41.526776][ T4444] gfs2_consist_inode_i+0xf0/0x10c [ 41.527541][ T4444] gfs2_inode_refresh+0x920/0xd54 [ 41.528313][ T4444] inode_go_instantiate+0x4c/0x68 [ 41.529023][ T4444] gfs2_instantiate+0x17c/0x2c4 [ 41.529823][ T4444] gfs2_glock_wait+0x1b4/0x298 [ 41.530563][ T4444] gfs2_glock_nq+0x8bc/0x11d4 [ 41.531271][ T4444] do_sync+0x40c/0xa94 [ 41.531863][ T4444] gfs2_quota_sync+0x2e0/0x528 [ 41.532608][ T4444] gfs2_sync_fs+0x4c/0xc4 [ 41.533245][ T4444] sync_filesystem+0xe8/0x218 [ 41.533944][ T4444] generic_shutdown_super+0x70/0x324 [ 41.534698][ T4444] kill_block_super+0x70/0xdc [ 41.535390][ T4444] gfs2_kill_sb+0xc0/0xd4 [ 41.536000][ T4444] deactivate_locked_super+0xac/0x124 [ 41.536804][ T4444] deactivate_super+0xe8/0x108 [ 41.537481][ T4444] cleanup_mnt+0x37c/0x404 [ 41.538135][ T4444] __cleanup_mnt+0x20/0x30 [ 41.538781][ T4444] task_work_run+0x1ec/0x270 [ 41.539440][ T4444] do_notify_resume+0x2038/0x2b28 [ 41.540214][ T4444] el0_svc+0x98/0x138 [ 41.540847][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 41.541563][ T4444] el0t_64_sync+0x18c/0x190 [ 41.547771][ T4444] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 41.549985][ T4444] CPU: 0 PID: 4444 Comm: syz-executor Not tainted syzkaller #0 [ 41.551218][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 41.552843][ T4444] Call trace: [ 41.553345][ T4444] dump_backtrace+0x1c8/0x1f4 [ 41.554028][ T4444] show_stack+0x2c/0x3c [ 41.554642][ T4444] __dump_stack+0x30/0x40 [ 41.555268][ T4444] dump_stack_lvl+0xf8/0x160 [ 41.555970][ T4444] dump_stack+0x1c/0x5c [ 41.556597][ T4444] gfs2_assert_warn_i+0x16c/0x26c [ 41.557307][ T4444] gfs2_quota_cleanup+0x454/0x65c [ 41.558079][ T4444] gfs2_put_super+0x1f0/0x764 [ 41.558878][ T4444] generic_shutdown_super+0x130/0x324 [ 41.559722][ T4444] kill_block_super+0x70/0xdc [ 41.560489][ T4444] gfs2_kill_sb+0xc0/0xd4 [ 41.561159][ T4444] deactivate_locked_super+0xac/0x124 [ 41.562014][ T4444] deactivate_super+0xe8/0x108 [ 41.562738][ T4444] cleanup_mnt+0x37c/0x404 [ 41.563399][ T4444] __cleanup_mnt+0x20/0x30 [ 41.564094][ T4444] task_work_run+0x1ec/0x270 [ 41.564804][ T4444] do_notify_resume+0x2038/0x2b28 [ 41.565553][ T4444] el0_svc+0x98/0x138 [ 41.566101][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 41.566842][ T4444] el0t_64_sync+0x18c/0x190 [ 41.670506][ T4350] Bluetooth: hci4: command 0x0419 tx timeout [ 41.793973][ T4599] loop3: detected capacity change from 0 to 32768 [ 41.803111][ T4599] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 41.804428][ T4599] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 41.807522][ T4599] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 41.809646][ T4416] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 41.810778][ T4416] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 41.830096][ T4416] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 19ms [ 41.831447][ T4416] gfs2: fsid=syz:syz.0: jid=0: Done [ 41.832280][ T4599] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 41.847729][ T4600] loop0: detected capacity change from 0 to 32768 [ 41.849400][ T4600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 41.850565][ T4600] CPU: 0 PID: 4600 Comm: syz.0.60 Not tainted syzkaller #0 [ 41.851681][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 41.853213][ T4600] Call trace: [ 41.853740][ T4600] dump_backtrace+0x1c8/0x1f4 [ 41.854476][ T4600] show_stack+0x2c/0x3c [ 41.855072][ T4600] __dump_stack+0x30/0x40 [ 41.855699][ T4600] dump_stack_lvl+0xf8/0x160 [ 41.856361][ T4600] dump_stack+0x1c/0x5c [ 41.856974][ T4600] sysfs_create_dir_ns+0x22c/0x24c [ 41.857746][ T4600] kobject_add_internal+0x5a8/0xb30 [ 41.858465][ T4600] kobject_init_and_add+0x118/0x17c [ 41.859342][ T4600] gfs2_sys_fs_add+0x1dc/0x3d8 [ 41.860029][ T4600] gfs2_fill_super+0xdec/0x19ec [ 41.860759][ T4600] get_tree_bdev+0x358/0x544 [ 41.861501][ T4600] gfs2_get_tree+0x54/0x1b4 [ 41.862160][ T4600] vfs_get_tree+0x90/0x274 [ 41.862807][ T4600] do_new_mount+0x228/0x810 [ 41.863501][ T4600] path_mount+0x5b4/0xe78 [ 41.864140][ T4600] __arm64_sys_mount+0x49c/0x584 [ 41.864899][ T4600] invoke_syscall+0x98/0x2bc [ 41.865624][ T4600] el0_svc_common+0x138/0x258 [ 41.866449][ T4600] do_el0_svc+0x58/0x13c [ 41.867063][ T4600] el0_svc+0x58/0x138 [ 41.867666][ T4600] el0t_64_sync_handler+0x84/0xf0 [ 41.868465][ T4600] el0t_64_sync+0x18c/0x190 [ 41.869201][ T4600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 41.871239][ T4600] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 42.307177][ T4405] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 42.337009][ T4599] gfs2: fsid=syz:syz.0: found 1 quota changes [ 42.343640][ T4604] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 42.343640][ T4604] inode = 11 2339 [ 42.343640][ T4604] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 42.346317][ T4604] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 42.347638][ T4604] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4604 [gfs2_quotad] gfs2_quota_sync+0x2e0/0x528 [ 42.454290][ T4608] loop2: detected capacity change from 0 to 32768 [ 42.492372][ T4604] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 42.493709][ T4604] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 42.500565][ T4608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 42.501698][ T4608] CPU: 0 PID: 4608 Comm: syz.2.75 Not tainted syzkaller #0 [ 42.502851][ T4608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.504379][ T4608] Call trace: [ 42.504888][ T4608] dump_backtrace+0x1c8/0x1f4 [ 42.505595][ T4608] show_stack+0x2c/0x3c [ 42.506276][ T4608] __dump_stack+0x30/0x40 [ 42.506908][ T4608] dump_stack_lvl+0xf8/0x160 [ 42.507638][ T4608] dump_stack+0x1c/0x5c [ 42.508289][ T4608] sysfs_create_dir_ns+0x22c/0x24c [ 42.509060][ T4608] kobject_add_internal+0x5a8/0xb30 [ 42.509883][ T4608] kobject_init_and_add+0x118/0x17c [ 42.510738][ T4608] gfs2_sys_fs_add+0x1dc/0x3d8 [ 42.511464][ T4608] gfs2_fill_super+0xdec/0x19ec [ 42.512186][ T4608] get_tree_bdev+0x358/0x544 [ 42.512879][ T4608] gfs2_get_tree+0x54/0x1b4 [ 42.513596][ T4608] vfs_get_tree+0x90/0x274 [ 42.514227][ T4608] do_new_mount+0x228/0x810 [ 42.514930][ T4608] path_mount+0x5b4/0xe78 [ 42.515582][ T4608] __arm64_sys_mount+0x49c/0x584 [ 42.516281][ T4608] invoke_syscall+0x98/0x2bc [ 42.516941][ T4608] el0_svc_common+0x138/0x258 [ 42.517672][ T4608] do_el0_svc+0x58/0x13c [ 42.518343][ T4608] el0_svc+0x58/0x138 [ 42.518942][ T4608] el0t_64_sync_handler+0x84/0xf0 [ 42.519668][ T4608] el0t_64_sync+0x18c/0x190 [ 42.520423][ T4608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 42.522127][ T4608] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 42.553611][ T4604] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 42.554923][ T4604] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 42.555978][ T4604] gfs2: fsid=syz:syz.0: File system withdrawn [ 42.556817][ T4604] CPU: 1 PID: 4604 Comm: gfs2_quotad Not tainted syzkaller #0 [ 42.557892][ T4604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.559392][ T4604] Call trace: [ 42.559864][ T4604] dump_backtrace+0x1c8/0x1f4 [ 42.560558][ T4604] show_stack+0x2c/0x3c [ 42.561192][ T4604] __dump_stack+0x30/0x40 [ 42.561849][ T4604] dump_stack_lvl+0xf8/0x160 [ 42.562514][ T4604] dump_stack+0x1c/0x5c [ 42.563081][ T4604] gfs2_withdraw+0xf9c/0x13a8 [ 42.563721][ T4604] gfs2_consist_inode_i+0xf0/0x10c [ 42.564489][ T4604] gfs2_inode_refresh+0x920/0xd54 [ 42.565208][ T4604] inode_go_instantiate+0x4c/0x68 [ 42.565925][ T4604] gfs2_instantiate+0x17c/0x2c4 [ 42.566626][ T4604] gfs2_glock_wait+0x1b4/0x298 [ 42.567377][ T4604] gfs2_glock_nq+0x8bc/0x11d4 [ 42.568045][ T4604] do_sync+0x40c/0xa94 [ 42.568655][ T4604] gfs2_quota_sync+0x2e0/0x528 [ 42.569381][ T4604] gfs2_quotad+0x2d8/0x4fc [ 42.570039][ T4604] kthread+0x250/0x2d8 [ 42.570632][ T4604] ret_from_fork+0x10/0x20 [ 42.642461][ T4458] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 42.667408][ T4458] CPU: 0 PID: 4458 Comm: syz-executor Not tainted syzkaller #0 [ 42.668614][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 42.670134][ T4458] Call trace: [ 42.670653][ T4458] dump_backtrace+0x1c8/0x1f4 [ 42.671361][ T4458] show_stack+0x2c/0x3c [ 42.672005][ T4458] __dump_stack+0x30/0x40 [ 42.672651][ T4458] dump_stack_lvl+0xf8/0x160 [ 42.673333][ T4458] dump_stack+0x1c/0x5c [ 42.673963][ T4458] gfs2_assert_warn_i+0x16c/0x26c [ 42.674717][ T4458] gfs2_quota_cleanup+0x454/0x65c [ 42.675487][ T4458] gfs2_put_super+0x1f0/0x764 [ 42.676151][ T4458] generic_shutdown_super+0x130/0x324 [ 42.676939][ T4458] kill_block_super+0x70/0xdc [ 42.677653][ T4458] gfs2_kill_sb+0xc0/0xd4 [ 42.678265][ T4458] deactivate_locked_super+0xac/0x124 [ 42.679088][ T4458] deactivate_super+0xe8/0x108 [ 42.679838][ T4458] cleanup_mnt+0x37c/0x404 [ 42.680555][ T4458] __cleanup_mnt+0x20/0x30 [ 42.681267][ T4458] task_work_run+0x1ec/0x270 [ 42.681989][ T4458] do_notify_resume+0x2038/0x2b28 [ 42.682773][ T4458] el0_svc+0x98/0x138 [ 42.683389][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 42.684166][ T4458] el0t_64_sync+0x18c/0x190 [ 42.979286][ T4456] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:43 executed programs: 79 [ 43.820230][ T4629] loop0: detected capacity change from 0 to 32768 [ 43.825708][ T4629] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 43.827044][ T4629] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 43.831420][ T4629] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 43.833352][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 43.834295][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 43.844227][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 9ms [ 43.845812][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 43.846650][ T4629] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.001114][ T4632] loop2: detected capacity change from 0 to 32768 [ 44.141106][ T4635] loop1: detected capacity change from 0 to 32768 [ 44.143181][ T4632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 44.144310][ T4632] CPU: 0 PID: 4632 Comm: syz.2.98 Not tainted syzkaller #0 [ 44.145481][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.146983][ T4632] Call trace: [ 44.147495][ T4632] dump_backtrace+0x1c8/0x1f4 [ 44.148178][ T4632] show_stack+0x2c/0x3c [ 44.148899][ T4632] __dump_stack+0x30/0x40 [ 44.149583][ T4632] dump_stack_lvl+0xf8/0x160 [ 44.150296][ T4632] dump_stack+0x1c/0x5c [ 44.150916][ T4632] sysfs_create_dir_ns+0x22c/0x24c [ 44.151741][ T4632] kobject_add_internal+0x5a8/0xb30 [ 44.152517][ T4632] kobject_init_and_add+0x118/0x17c [ 44.153269][ T4632] gfs2_sys_fs_add+0x1dc/0x3d8 [ 44.153974][ T4632] gfs2_fill_super+0xdec/0x19ec [ 44.154691][ T4632] get_tree_bdev+0x358/0x544 [ 44.155371][ T4632] gfs2_get_tree+0x54/0x1b4 [ 44.156034][ T4632] vfs_get_tree+0x90/0x274 [ 44.156710][ T4632] do_new_mount+0x228/0x810 [ 44.157383][ T4632] path_mount+0x5b4/0xe78 [ 44.158064][ T4632] __arm64_sys_mount+0x49c/0x584 [ 44.158812][ T4632] invoke_syscall+0x98/0x2bc [ 44.159540][ T4632] el0_svc_common+0x138/0x258 [ 44.160277][ T4632] do_el0_svc+0x58/0x13c [ 44.160975][ T4632] el0_svc+0x58/0x138 [ 44.161602][ T4632] el0t_64_sync_handler+0x84/0xf0 [ 44.162358][ T4632] el0t_64_sync+0x18c/0x190 [ 44.163233][ T4632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 44.165180][ T4632] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 44.180745][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 44.181942][ T4635] CPU: 0 PID: 4635 Comm: syz.1.100 Not tainted syzkaller #0 [ 44.183142][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.184770][ T4635] Call trace: [ 44.185286][ T4635] dump_backtrace+0x1c8/0x1f4 [ 44.185978][ T4635] show_stack+0x2c/0x3c [ 44.186596][ T4635] __dump_stack+0x30/0x40 [ 44.187254][ T4635] dump_stack_lvl+0xf8/0x160 [ 44.187928][ T4635] dump_stack+0x1c/0x5c [ 44.188525][ T4635] sysfs_create_dir_ns+0x22c/0x24c [ 44.189305][ T4635] kobject_add_internal+0x5a8/0xb30 [ 44.190121][ T4635] kobject_init_and_add+0x118/0x17c [ 44.190901][ T4635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 44.191734][ T4635] gfs2_fill_super+0xdec/0x19ec [ 44.192585][ T4635] get_tree_bdev+0x358/0x544 [ 44.193370][ T4635] gfs2_get_tree+0x54/0x1b4 [ 44.194111][ T4635] vfs_get_tree+0x90/0x274 [ 44.194875][ T4635] do_new_mount+0x228/0x810 [ 44.195635][ T4635] path_mount+0x5b4/0xe78 [ 44.196337][ T4635] __arm64_sys_mount+0x49c/0x584 [ 44.197098][ T4635] invoke_syscall+0x98/0x2bc [ 44.197820][ T4635] el0_svc_common+0x138/0x258 [ 44.198511][ T4635] do_el0_svc+0x58/0x13c [ 44.199148][ T4635] el0_svc+0x58/0x138 [ 44.199690][ T4635] el0t_64_sync_handler+0x84/0xf0 [ 44.200435][ T4635] el0t_64_sync+0x18c/0x190 [ 44.201286][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 44.203439][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 44.227473][ T4629] gfs2: fsid=syz:syz.0: found 1 quota changes [ 44.338070][ T4637] loop2: detected capacity change from 0 to 32768 [ 44.394560][ T4637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 44.395759][ T4637] CPU: 0 PID: 4637 Comm: syz.2.103 Not tainted syzkaller #0 [ 44.396890][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.398342][ T4637] Call trace: [ 44.398850][ T4637] dump_backtrace+0x1c8/0x1f4 [ 44.399564][ T4637] show_stack+0x2c/0x3c [ 44.400140][ T4637] __dump_stack+0x30/0x40 [ 44.400832][ T4637] dump_stack_lvl+0xf8/0x160 [ 44.401563][ T4637] dump_stack+0x1c/0x5c [ 44.402174][ T4637] sysfs_create_dir_ns+0x22c/0x24c [ 44.402875][ T4637] kobject_add_internal+0x5a8/0xb30 [ 44.403684][ T4637] kobject_init_and_add+0x118/0x17c [ 44.404455][ T4637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 44.405167][ T4637] gfs2_fill_super+0xdec/0x19ec [ 44.405876][ T4637] get_tree_bdev+0x358/0x544 [ 44.406521][ T4637] gfs2_get_tree+0x54/0x1b4 [ 44.407186][ T4637] vfs_get_tree+0x90/0x274 [ 44.407862][ T4637] do_new_mount+0x228/0x810 [ 44.408506][ T4637] path_mount+0x5b4/0xe78 [ 44.409141][ T4637] __arm64_sys_mount+0x49c/0x584 [ 44.409826][ T4637] invoke_syscall+0x98/0x2bc [ 44.410515][ T4637] el0_svc_common+0x138/0x258 [ 44.411187][ T4637] do_el0_svc+0x58/0x13c [ 44.411851][ T4637] el0_svc+0x58/0x138 [ 44.412475][ T4637] el0t_64_sync_handler+0x84/0xf0 [ 44.413246][ T4637] el0t_64_sync+0x18c/0x190 [ 44.413983][ T4637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 44.415829][ T4637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 44.422733][ T4444] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 44.422733][ T4444] inode = 11 2339 [ 44.422733][ T4444] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 44.425450][ T4444] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 44.426785][ T4444] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4444 [syz-executor] gfs2_quota_sync+0x2e0/0x528 [ 44.429505][ T4444] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 44.430812][ T4444] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 44.475208][ T4444] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 44.476561][ T4444] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 44.477677][ T4444] gfs2: fsid=syz:syz.0: File system withdrawn [ 44.582536][ T4640] loop1: detected capacity change from 0 to 32768 [ 44.584719][ T4639] loop2: detected capacity change from 0 to 32768 [ 44.586970][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 44.588169][ T4640] CPU: 1 PID: 4640 Comm: syz.1.105 Not tainted syzkaller #0 [ 44.589279][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.590720][ T4640] Call trace: [ 44.591205][ T4640] dump_backtrace+0x1c8/0x1f4 [ 44.591962][ T4640] show_stack+0x2c/0x3c [ 44.592559][ T4640] __dump_stack+0x30/0x40 [ 44.593228][ T4640] dump_stack_lvl+0xf8/0x160 [ 44.593879][ T4640] dump_stack+0x1c/0x5c [ 44.594478][ T4640] sysfs_create_dir_ns+0x22c/0x24c [ 44.595172][ T4640] kobject_add_internal+0x5a8/0xb30 [ 44.595894][ T4640] kobject_init_and_add+0x118/0x17c [ 44.596674][ T4640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 44.597407][ T4640] gfs2_fill_super+0xdec/0x19ec [ 44.598142][ T4640] get_tree_bdev+0x358/0x544 [ 44.598899][ T4640] gfs2_get_tree+0x54/0x1b4 [ 44.599554][ T4640] vfs_get_tree+0x90/0x274 [ 44.600155][ T4640] do_new_mount+0x228/0x810 [ 44.600821][ T4640] path_mount+0x5b4/0xe78 [ 44.601448][ T4640] __arm64_sys_mount+0x49c/0x584 [ 44.602169][ T4640] invoke_syscall+0x98/0x2bc [ 44.602789][ T4640] el0_svc_common+0x138/0x258 [ 44.603466][ T4640] do_el0_svc+0x58/0x13c [ 44.604123][ T4640] el0_svc+0x58/0x138 [ 44.604725][ T4640] el0t_64_sync_handler+0x84/0xf0 [ 44.605503][ T4640] el0t_64_sync+0x18c/0x190 [ 44.606947][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 44.608927][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 44.614427][ T4444] CPU: 0 PID: 4444 Comm: syz-executor Not tainted syzkaller #0 [ 44.615665][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.617310][ T4444] Call trace: [ 44.617834][ T4444] dump_backtrace+0x1c8/0x1f4 [ 44.618560][ T4444] show_stack+0x2c/0x3c [ 44.619193][ T4444] __dump_stack+0x30/0x40 [ 44.619874][ T4444] dump_stack_lvl+0xf8/0x160 [ 44.620564][ T4444] dump_stack+0x1c/0x5c [ 44.621207][ T4444] gfs2_withdraw+0xf9c/0x13a8 [ 44.621953][ T4444] gfs2_consist_inode_i+0xf0/0x10c [ 44.622708][ T4444] gfs2_inode_refresh+0x920/0xd54 [ 44.623490][ T4444] inode_go_instantiate+0x4c/0x68 [ 44.624243][ T4444] gfs2_instantiate+0x17c/0x2c4 [ 44.624947][ T4444] gfs2_glock_wait+0x1b4/0x298 [ 44.625681][ T4444] gfs2_glock_nq+0x8bc/0x11d4 [ 44.626423][ T4444] do_sync+0x40c/0xa94 [ 44.627038][ T4444] gfs2_quota_sync+0x2e0/0x528 [ 44.627776][ T4444] gfs2_sync_fs+0x4c/0xc4 [ 44.628397][ T4444] sync_filesystem+0xe8/0x218 [ 44.629074][ T4444] generic_shutdown_super+0x70/0x324 [ 44.629887][ T4444] kill_block_super+0x70/0xdc [ 44.630582][ T4444] gfs2_kill_sb+0xc0/0xd4 [ 44.631252][ T4444] deactivate_locked_super+0xac/0x124 [ 44.632095][ T4444] deactivate_super+0xe8/0x108 [ 44.632844][ T4444] cleanup_mnt+0x37c/0x404 [ 44.633433][ T4444] __cleanup_mnt+0x20/0x30 [ 44.634086][ T4444] task_work_run+0x1ec/0x270 [ 44.634804][ T4444] do_notify_resume+0x2038/0x2b28 [ 44.635567][ T4444] el0_svc+0x98/0x138 [ 44.636189][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 44.636897][ T4444] el0t_64_sync+0x18c/0x190 [ 44.652442][ T4444] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 44.654544][ T4444] CPU: 0 PID: 4444 Comm: syz-executor Not tainted syzkaller #0 [ 44.655604][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.657109][ T4444] Call trace: [ 44.657574][ T4444] dump_backtrace+0x1c8/0x1f4 [ 44.658285][ T4444] show_stack+0x2c/0x3c [ 44.658872][ T4444] __dump_stack+0x30/0x40 [ 44.659544][ T4444] dump_stack_lvl+0xf8/0x160 [ 44.660227][ T4444] dump_stack+0x1c/0x5c [ 44.660845][ T4444] gfs2_assert_warn_i+0x16c/0x26c [ 44.661578][ T4444] gfs2_quota_cleanup+0x454/0x65c [ 44.662298][ T4444] gfs2_put_super+0x1f0/0x764 [ 44.662991][ T4444] generic_shutdown_super+0x130/0x324 [ 44.663779][ T4444] kill_block_super+0x70/0xdc [ 44.664477][ T4444] gfs2_kill_sb+0xc0/0xd4 [ 44.665170][ T4444] deactivate_locked_super+0xac/0x124 [ 44.665961][ T4444] deactivate_super+0xe8/0x108 [ 44.666620][ T4444] cleanup_mnt+0x37c/0x404 [ 44.667295][ T4444] __cleanup_mnt+0x20/0x30 [ 44.667981][ T4444] task_work_run+0x1ec/0x270 [ 44.668634][ T4444] do_notify_resume+0x2038/0x2b28 [ 44.669412][ T4444] el0_svc+0x98/0x138 [ 44.670020][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 44.670769][ T4444] el0t_64_sync+0x18c/0x190 [ 44.679277][ T4639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 44.680533][ T4639] CPU: 0 PID: 4639 Comm: syz.2.106 Not tainted syzkaller #0 [ 44.681753][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.683404][ T4639] Call trace: [ 44.683922][ T4639] dump_backtrace+0x1c8/0x1f4 [ 44.684692][ T4639] show_stack+0x2c/0x3c [ 44.685360][ T4639] __dump_stack+0x30/0x40 [ 44.686043][ T4639] dump_stack_lvl+0xf8/0x160 [ 44.686761][ T4639] dump_stack+0x1c/0x5c [ 44.687417][ T4639] sysfs_create_dir_ns+0x22c/0x24c [ 44.688215][ T4639] kobject_add_internal+0x5a8/0xb30 [ 44.688956][ T4639] kobject_init_and_add+0x118/0x17c [ 44.689672][ T4639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 44.690353][ T4639] gfs2_fill_super+0xdec/0x19ec [ 44.691004][ T4639] get_tree_bdev+0x358/0x544 [ 44.691639][ T4639] gfs2_get_tree+0x54/0x1b4 [ 44.692305][ T4639] vfs_get_tree+0x90/0x274 [ 44.693030][ T4639] do_new_mount+0x228/0x810 [ 44.693704][ T4639] path_mount+0x5b4/0xe78 [ 44.694316][ T4639] __arm64_sys_mount+0x49c/0x584 [ 44.695013][ T4639] invoke_syscall+0x98/0x2bc [ 44.695684][ T4639] el0_svc_common+0x138/0x258 [ 44.696347][ T4639] do_el0_svc+0x58/0x13c [ 44.696936][ T4639] el0_svc+0x58/0x138 [ 44.697501][ T4639] el0t_64_sync_handler+0x84/0xf0 [ 44.698205][ T4639] el0t_64_sync+0x18c/0x190 [ 44.698950][ T4639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 44.700911][ T4639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 44.712588][ T4641] loop3: detected capacity change from 0 to 32768 [ 44.714267][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 44.715412][ T4641] CPU: 1 PID: 4641 Comm: syz.3.107 Not tainted syzkaller #0 [ 44.716564][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.718163][ T4641] Call trace: [ 44.718708][ T4641] dump_backtrace+0x1c8/0x1f4 [ 44.719525][ T4641] show_stack+0x2c/0x3c [ 44.720182][ T4641] __dump_stack+0x30/0x40 [ 44.720856][ T4641] dump_stack_lvl+0xf8/0x160 [ 44.721578][ T4641] dump_stack+0x1c/0x5c [ 44.722239][ T4641] sysfs_create_dir_ns+0x22c/0x24c [ 44.723056][ T4641] kobject_add_internal+0x5a8/0xb30 [ 44.723821][ T4641] kobject_init_and_add+0x118/0x17c [ 44.724566][ T4641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 44.725265][ T4641] gfs2_fill_super+0xdec/0x19ec [ 44.726025][ T4641] get_tree_bdev+0x358/0x544 [ 44.726725][ T4641] gfs2_get_tree+0x54/0x1b4 [ 44.727393][ T4641] vfs_get_tree+0x90/0x274 [ 44.728043][ T4641] do_new_mount+0x228/0x810 [ 44.728704][ T4641] path_mount+0x5b4/0xe78 [ 44.729339][ T4641] __arm64_sys_mount+0x49c/0x584 [ 44.730072][ T4641] invoke_syscall+0x98/0x2bc [ 44.730732][ T4641] el0_svc_common+0x138/0x258 [ 44.731377][ T4641] do_el0_svc+0x58/0x13c [ 44.732025][ T4641] el0_svc+0x58/0x138 [ 44.732635][ T4641] el0t_64_sync_handler+0x84/0xf0 [ 44.733450][ T4641] el0t_64_sync+0x18c/0x190 [ 44.734275][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 44.736109][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 44.926400][ T4328] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 45.037288][ T4456] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 45.087837][ T4646] loop0: detected capacity change from 0 to 32768 [ 45.109659][ T4646] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.110934][ T4646] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 45.161166][ T4645] loop3: detected capacity change from 0 to 32768 [ 45.183444][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 45.184674][ T4645] CPU: 0 PID: 4645 Comm: syz.3.112 Not tainted syzkaller #0 [ 45.185842][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.187324][ T4645] Call trace: [ 45.187853][ T4645] dump_backtrace+0x1c8/0x1f4 [ 45.188539][ T4645] show_stack+0x2c/0x3c [ 45.189128][ T4645] __dump_stack+0x30/0x40 [ 45.189769][ T4645] dump_stack_lvl+0xf8/0x160 [ 45.190468][ T4645] dump_stack+0x1c/0x5c [ 45.191113][ T4645] sysfs_create_dir_ns+0x22c/0x24c [ 45.191885][ T4645] kobject_add_internal+0x5a8/0xb30 [ 45.192656][ T4645] kobject_init_and_add+0x118/0x17c [ 45.193424][ T4645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 45.194144][ T4645] gfs2_fill_super+0xdec/0x19ec [ 45.194847][ T4645] get_tree_bdev+0x358/0x544 [ 45.195624][ T4645] gfs2_get_tree+0x54/0x1b4 [ 45.196302][ T4645] vfs_get_tree+0x90/0x274 [ 45.196964][ T4645] do_new_mount+0x228/0x810 [ 45.197646][ T4645] path_mount+0x5b4/0xe78 [ 45.198319][ T4645] __arm64_sys_mount+0x49c/0x584 [ 45.199035][ T4645] invoke_syscall+0x98/0x2bc [ 45.199692][ T4645] el0_svc_common+0x138/0x258 [ 45.200414][ T4645] do_el0_svc+0x58/0x13c [ 45.201065][ T4645] el0_svc+0x58/0x138 [ 45.201644][ T4645] el0t_64_sync_handler+0x84/0xf0 [ 45.202373][ T4645] el0t_64_sync+0x18c/0x190 [ 45.203084][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 45.204987][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 45.217226][ T4646] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 45.219107][ T4349] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 45.220203][ T4349] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 45.235526][ T4648] loop1: detected capacity change from 0 to 32768 [ 45.243327][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 45.244431][ T4648] CPU: 1 PID: 4648 Comm: syz.1.111 Not tainted syzkaller #0 [ 45.245534][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.247000][ T4648] Call trace: [ 45.247457][ T4648] dump_backtrace+0x1c8/0x1f4 [ 45.248155][ T4648] show_stack+0x2c/0x3c [ 45.248770][ T4648] __dump_stack+0x30/0x40 [ 45.249404][ T4648] dump_stack_lvl+0xf8/0x160 [ 45.250116][ T4648] dump_stack+0x1c/0x5c [ 45.250741][ T4648] sysfs_create_dir_ns+0x22c/0x24c [ 45.251528][ T4648] kobject_add_internal+0x5a8/0xb30 [ 45.252337][ T4648] kobject_init_and_add+0x118/0x17c [ 45.253014][ T4349] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 32ms [ 45.253036][ T4648] gfs2_sys_fs_add+0x1dc/0x3d8 [ 45.254292][ T4349] gfs2: fsid=syz:syz.0: jid=0: Done [ 45.254874][ T4648] gfs2_fill_super+0xdec/0x19ec [ 45.255637][ T4646] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 45.256248][ T4648] get_tree_bdev+0x358/0x544 [ 45.257926][ T4648] gfs2_get_tree+0x54/0x1b4 [ 45.257944][ T4648] vfs_get_tree+0x90/0x274 [ 45.259321][ T4648] do_new_mount+0x228/0x810 [ 45.259985][ T4648] path_mount+0x5b4/0xe78 [ 45.260656][ T4648] __arm64_sys_mount+0x49c/0x584 [ 45.261428][ T4648] invoke_syscall+0x98/0x2bc [ 45.262142][ T4648] el0_svc_common+0x138/0x258 [ 45.262821][ T4648] do_el0_svc+0x58/0x13c [ 45.263460][ T4648] el0_svc+0x58/0x138 [ 45.264075][ T4648] el0t_64_sync_handler+0x84/0xf0 [ 45.264846][ T4648] el0t_64_sync+0x18c/0x190 [ 45.265674][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 45.267481][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 45.278052][ T4456] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 45.311131][ T4646] gfs2: fsid=syz:syz.0: found 1 quota changes [ 45.366349][ T4650] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 45.366349][ T4650] inode = 11 2339 [ 45.366349][ T4650] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 45.384317][ T4650] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 45.385936][ T4650] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4650 [gfs2_quotad] gfs2_quota_sync+0x2e0/0x528 [ 45.387576][ T4650] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 45.397270][ T4650] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 45.502386][ T4650] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 45.502974][ T4652] loop3: detected capacity change from 0 to 32768 [ 45.503829][ T4650] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 45.506162][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 45.507393][ T4652] CPU: 0 PID: 4652 Comm: syz.3.114 Not tainted syzkaller #0 [ 45.508598][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.510166][ T4652] Call trace: [ 45.510651][ T4652] dump_backtrace+0x1c8/0x1f4 [ 45.511395][ T4652] show_stack+0x2c/0x3c [ 45.512032][ T4652] __dump_stack+0x30/0x40 [ 45.512668][ T4652] dump_stack_lvl+0xf8/0x160 [ 45.513343][ T4652] dump_stack+0x1c/0x5c [ 45.513899][ T4652] sysfs_create_dir_ns+0x22c/0x24c [ 45.514506][ T4650] gfs2: fsid=syz:syz.0: File system withdrawn [ 45.514741][ T4652] kobject_add_internal+0x5a8/0xb30 [ 45.516625][ T4652] kobject_init_and_add+0x118/0x17c [ 45.517440][ T4652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 45.518116][ T4652] gfs2_fill_super+0xdec/0x19ec [ 45.518786][ T4652] get_tree_bdev+0x358/0x544 [ 45.519482][ T4652] gfs2_get_tree+0x54/0x1b4 [ 45.520172][ T4652] vfs_get_tree+0x90/0x274 [ 45.520884][ T4652] do_new_mount+0x228/0x810 [ 45.521588][ T4652] path_mount+0x5b4/0xe78 [ 45.522213][ T4652] __arm64_sys_mount+0x49c/0x584 [ 45.522890][ T4652] invoke_syscall+0x98/0x2bc [ 45.523558][ T4652] el0_svc_common+0x138/0x258 [ 45.524253][ T4652] do_el0_svc+0x58/0x13c [ 45.524913][ T4652] el0_svc+0x58/0x138 [ 45.525483][ T4652] el0t_64_sync_handler+0x84/0xf0 [ 45.526240][ T4652] el0t_64_sync+0x18c/0x190 [ 45.526898][ T4650] CPU: 1 PID: 4650 Comm: gfs2_quotad Not tainted syzkaller #0 [ 45.526957][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 45.528013][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.529976][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 45.531422][ T4650] Call trace: [ 45.533003][ T4650] dump_backtrace+0x1c8/0x1f4 [ 45.533790][ T4650] show_stack+0x2c/0x3c [ 45.534394][ T4650] __dump_stack+0x30/0x40 [ 45.535033][ T4650] dump_stack_lvl+0xf8/0x160 [ 45.535763][ T4650] dump_stack+0x1c/0x5c [ 45.536383][ T4650] gfs2_withdraw+0xf9c/0x13a8 [ 45.537071][ T4650] gfs2_consist_inode_i+0xf0/0x10c [ 45.537760][ T4650] gfs2_inode_refresh+0x920/0xd54 [ 45.538530][ T4650] inode_go_instantiate+0x4c/0x68 [ 45.539211][ T4650] gfs2_instantiate+0x17c/0x2c4 [ 45.539906][ T4650] gfs2_glock_wait+0x1b4/0x298 [ 45.540635][ T4650] gfs2_glock_nq+0x8bc/0x11d4 [ 45.541275][ T4650] do_sync+0x40c/0xa94 [ 45.541902][ T4650] gfs2_quota_sync+0x2e0/0x528 [ 45.542574][ T4650] gfs2_quotad+0x2d8/0x4fc [ 45.543272][ T4650] kthread+0x250/0x2d8 [ 45.543950][ T4650] ret_from_fork+0x10/0x20 [ 45.580252][ T4328] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 45.607562][ T4444] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 45.612836][ T4444] CPU: 1 PID: 4444 Comm: syz-executor Not tainted syzkaller #0 [ 45.614041][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.615630][ T4444] Call trace: [ 45.616125][ T4444] dump_backtrace+0x1c8/0x1f4 [ 45.616796][ T4444] show_stack+0x2c/0x3c [ 45.617366][ T4444] __dump_stack+0x30/0x40 [ 45.617909][ T4444] dump_stack_lvl+0xf8/0x160 [ 45.618608][ T4444] dump_stack+0x1c/0x5c [ 45.619224][ T4444] gfs2_assert_warn_i+0x16c/0x26c [ 45.619968][ T4444] gfs2_quota_cleanup+0x454/0x65c [ 45.620721][ T4444] gfs2_put_super+0x1f0/0x764 [ 45.621464][ T4444] generic_shutdown_super+0x130/0x324 [ 45.622308][ T4444] kill_block_super+0x70/0xdc [ 45.623033][ T4444] gfs2_kill_sb+0xc0/0xd4 [ 45.623696][ T4444] deactivate_locked_super+0xac/0x124 [ 45.624574][ T4444] deactivate_super+0xe8/0x108 [ 45.625291][ T4444] cleanup_mnt+0x37c/0x404 [ 45.625976][ T4444] __cleanup_mnt+0x20/0x30 [ 45.626675][ T4444] task_work_run+0x1ec/0x270 [ 45.627320][ T4444] do_notify_resume+0x2038/0x2b28 [ 45.628080][ T4444] el0_svc+0x98/0x138 [ 45.628677][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 45.629420][ T4444] el0t_64_sync+0x18c/0x190 [ 45.650014][ T4653] loop2: detected capacity change from 0 to 32768 [ 45.690067][ T4653] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.691401][ T4653] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 45.793937][ T4655] loop1: detected capacity change from 0 to 32768 [ 45.797888][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 45.799198][ T4655] CPU: 0 PID: 4655 Comm: syz.1.117 Not tainted syzkaller #0 [ 45.800308][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.801855][ T4655] Call trace: [ 45.802363][ T4655] dump_backtrace+0x1c8/0x1f4 [ 45.803124][ T4655] show_stack+0x2c/0x3c [ 45.803792][ T4655] __dump_stack+0x30/0x40 [ 45.804445][ T4655] dump_stack_lvl+0xf8/0x160 [ 45.805175][ T4655] dump_stack+0x1c/0x5c [ 45.805832][ T4655] sysfs_create_dir_ns+0x22c/0x24c [ 45.806676][ T4655] kobject_add_internal+0x5a8/0xb30 [ 45.807424][ T4655] kobject_init_and_add+0x118/0x17c [ 45.808220][ T4655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 45.808994][ T4655] gfs2_fill_super+0xdec/0x19ec [ 45.809734][ T4655] get_tree_bdev+0x358/0x544 [ 45.810458][ T4655] gfs2_get_tree+0x54/0x1b4 [ 45.811200][ T4655] vfs_get_tree+0x90/0x274 [ 45.811913][ T4655] do_new_mount+0x228/0x810 [ 45.812584][ T4655] path_mount+0x5b4/0xe78 [ 45.813211][ T4655] __arm64_sys_mount+0x49c/0x584 [ 45.813953][ T4655] invoke_syscall+0x98/0x2bc [ 45.814648][ T4655] el0_svc_common+0x138/0x258 [ 45.815365][ T4655] do_el0_svc+0x58/0x13c [ 45.816021][ T4655] el0_svc+0x58/0x138 [ 45.816579][ T4655] el0t_64_sync_handler+0x84/0xf0 [ 45.817281][ T4655] el0t_64_sync+0x18c/0x190 [ 45.817977][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 45.819755][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 45.825339][ T4653] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 45.826945][ T4426] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 45.827948][ T4426] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 45.840492][ T4426] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 45.841678][ T4426] gfs2: fsid=syz:syz.0: jid=0: Done [ 45.842488][ T4653] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 45.946099][ T4547] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 45.970206][ T4656] loop3: detected capacity change from 0 to 32768 [ 45.975259][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 45.976460][ T4656] CPU: 1 PID: 4656 Comm: syz.3.118 Not tainted syzkaller #0 [ 45.977567][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.979068][ T4656] Call trace: [ 45.979573][ T4656] dump_backtrace+0x1c8/0x1f4 [ 45.980409][ T4656] show_stack+0x2c/0x3c [ 45.981102][ T4656] __dump_stack+0x30/0x40 [ 45.981786][ T4656] dump_stack_lvl+0xf8/0x160 [ 45.982469][ T4656] dump_stack+0x1c/0x5c [ 45.983070][ T4656] sysfs_create_dir_ns+0x22c/0x24c [ 45.983850][ T4656] kobject_add_internal+0x5a8/0xb30 [ 45.984607][ T4656] kobject_init_and_add+0x118/0x17c [ 45.984883][ T4653] gfs2: fsid=syz:syz.0: found 1 quota changes [ 45.985323][ T4656] gfs2_sys_fs_add+0x1dc/0x3d8 [ 45.987013][ T4656] gfs2_fill_super+0xdec/0x19ec [ 45.987758][ T4656] get_tree_bdev+0x358/0x544 [ 45.988422][ T4656] gfs2_get_tree+0x54/0x1b4 [ 45.989062][ T4656] vfs_get_tree+0x90/0x274 [ 45.989681][ T4656] do_new_mount+0x228/0x810 [ 45.990349][ T4656] path_mount+0x5b4/0xe78 [ 45.990989][ T4656] __arm64_sys_mount+0x49c/0x584 [ 45.991729][ T4656] invoke_syscall+0x98/0x2bc [ 45.992491][ T4656] el0_svc_common+0x138/0x258 [ 45.993228][ T4656] do_el0_svc+0x58/0x13c [ 45.993826][ T4656] el0_svc+0x58/0x138 [ 45.994431][ T4656] el0t_64_sync_handler+0x84/0xf0 [ 45.995218][ T4656] el0t_64_sync+0x18c/0x190 [ 45.996170][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 45.998298][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 46.106174][ T4660] loop0: detected capacity change from 0 to 32768 [ 46.122427][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 46.123649][ T4660] CPU: 0 PID: 4660 Comm: syz.0.120 Not tainted syzkaller #0 [ 46.124730][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.126198][ T4660] Call trace: [ 46.126691][ T4660] dump_backtrace+0x1c8/0x1f4 [ 46.127395][ T4660] show_stack+0x2c/0x3c [ 46.128053][ T4660] __dump_stack+0x30/0x40 [ 46.128707][ T4660] dump_stack_lvl+0xf8/0x160 [ 46.129366][ T4660] dump_stack+0x1c/0x5c [ 46.129973][ T4660] sysfs_create_dir_ns+0x22c/0x24c [ 46.130739][ T4660] kobject_add_internal+0x5a8/0xb30 [ 46.131499][ T4660] kobject_init_and_add+0x118/0x17c [ 46.132260][ T4660] gfs2_sys_fs_add+0x1dc/0x3d8 [ 46.132902][ T4660] gfs2_fill_super+0xdec/0x19ec [ 46.133666][ T4660] get_tree_bdev+0x358/0x544 [ 46.134384][ T4660] gfs2_get_tree+0x54/0x1b4 [ 46.135049][ T4660] vfs_get_tree+0x90/0x274 [ 46.135687][ T4660] do_new_mount+0x228/0x810 [ 46.136338][ T4660] path_mount+0x5b4/0xe78 [ 46.136994][ T4660] __arm64_sys_mount+0x49c/0x584 [ 46.137725][ T4660] invoke_syscall+0x98/0x2bc [ 46.138424][ T4660] el0_svc_common+0x138/0x258 [ 46.139088][ T4660] do_el0_svc+0x58/0x13c [ 46.139694][ T4660] el0_svc+0x58/0x138 [ 46.140250][ T4660] el0t_64_sync_handler+0x84/0xf0 [ 46.140971][ T4660] el0t_64_sync+0x18c/0x190 [ 46.141734][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 46.143516][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 46.283259][ T4456] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 46.295919][ T4448] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 46.295919][ T4448] inode = 11 2339 [ 46.295919][ T4448] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 46.299136][ T4448] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 46.300596][ T4448] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4448 [syz-executor] gfs2_quota_sync+0x2e0/0x528 [ 46.302313][ T4448] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 46.303560][ T4448] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 46.307503][ T4448] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 46.309160][ T4448] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 46.310284][ T4448] gfs2: fsid=syz:syz.0: File system withdrawn [ 46.311166][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 46.312193][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.313666][ T4448] Call trace: [ 46.314157][ T4448] dump_backtrace+0x1c8/0x1f4 [ 46.314873][ T4448] show_stack+0x2c/0x3c [ 46.315532][ T4448] __dump_stack+0x30/0x40 [ 46.316179][ T4448] dump_stack_lvl+0xf8/0x160 [ 46.316830][ T4448] dump_stack+0x1c/0x5c [ 46.317439][ T4448] gfs2_withdraw+0xf9c/0x13a8 [ 46.318164][ T4448] gfs2_consist_inode_i+0xf0/0x10c [ 46.318958][ T4448] gfs2_inode_refresh+0x920/0xd54 [ 46.319645][ T4448] inode_go_instantiate+0x4c/0x68 [ 46.320338][ T4448] gfs2_instantiate+0x17c/0x2c4 [ 46.321042][ T4448] gfs2_glock_wait+0x1b4/0x298 [ 46.321707][ T4448] gfs2_glock_nq+0x8bc/0x11d4 [ 46.322371][ T4448] do_sync+0x40c/0xa94 [ 46.322944][ T4448] gfs2_quota_sync+0x2e0/0x528 [ 46.323654][ T4448] gfs2_sync_fs+0x4c/0xc4 [ 46.324258][ T4448] sync_filesystem+0xe8/0x218 [ 46.324988][ T4448] generic_shutdown_super+0x70/0x324 [ 46.325783][ T4448] kill_block_super+0x70/0xdc [ 46.326436][ T4448] gfs2_kill_sb+0xc0/0xd4 [ 46.327057][ T4448] deactivate_locked_super+0xac/0x124 [ 46.327864][ T4448] deactivate_super+0xe8/0x108 [ 46.328575][ T4448] cleanup_mnt+0x37c/0x404 [ 46.329173][ T4448] __cleanup_mnt+0x20/0x30 [ 46.329824][ T4448] task_work_run+0x1ec/0x270 [ 46.330492][ T4448] do_notify_resume+0x2038/0x2b28 [ 46.331223][ T4448] el0_svc+0x98/0x138 [ 46.331854][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 46.332566][ T4448] el0t_64_sync+0x18c/0x190 [ 46.344101][ T4448] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 46.346251][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 46.347325][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.348784][ T4448] Call trace: [ 46.349239][ T4448] dump_backtrace+0x1c8/0x1f4 [ 46.349937][ T4448] show_stack+0x2c/0x3c [ 46.350542][ T4448] __dump_stack+0x30/0x40 [ 46.351162][ T4448] dump_stack_lvl+0xf8/0x160 [ 46.351846][ T4448] dump_stack+0x1c/0x5c [ 46.352466][ T4448] gfs2_assert_warn_i+0x16c/0x26c [ 46.353169][ T4448] gfs2_quota_cleanup+0x454/0x65c [ 46.353975][ T4448] gfs2_put_super+0x1f0/0x764 [ 46.354657][ T4448] generic_shutdown_super+0x130/0x324 [ 46.355439][ T4448] kill_block_super+0x70/0xdc [ 46.356123][ T4448] gfs2_kill_sb+0xc0/0xd4 [ 46.356770][ T4448] deactivate_locked_super+0xac/0x124 [ 46.357569][ T4448] deactivate_super+0xe8/0x108 [ 46.358334][ T4448] cleanup_mnt+0x37c/0x404 [ 46.359017][ T4448] __cleanup_mnt+0x20/0x30 [ 46.359654][ T4448] task_work_run+0x1ec/0x270 [ 46.360355][ T4448] do_notify_resume+0x2038/0x2b28 [ 46.361096][ T4448] el0_svc+0x98/0x138 [ 46.361684][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 46.362442][ T4448] el0t_64_sync+0x18c/0x190 [ 46.428302][ T4456] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 46.562783][ T4405] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 46.569070][ T4667] loop3: detected capacity change from 0 to 32768 [ 46.678167][ T4665] loop1: detected capacity change from 0 to 32768 [ 46.681268][ T4667] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 46.682534][ T4667] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 46.782809][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 46.784895][ T4665] CPU: 1 PID: 4665 Comm: syz.1.126 Not tainted syzkaller #0 [ 46.785087][ T4667] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 46.785964][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.785978][ T4665] Call trace: [ 46.785986][ T4665] dump_backtrace+0x1c8/0x1f4 [ 46.787899][ T3899] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 46.788783][ T4665] show_stack+0x2c/0x3c [ 46.788801][ T4665] __dump_stack+0x30/0x40 [ 46.789335][ T3899] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 46.789986][ T4665] dump_stack_lvl+0xf8/0x160 [ 46.793821][ T4665] dump_stack+0x1c/0x5c [ 46.794425][ T4665] sysfs_create_dir_ns+0x22c/0x24c [ 46.795183][ T4665] kobject_add_internal+0x5a8/0xb30 [ 46.795960][ T4665] kobject_init_and_add+0x118/0x17c [ 46.796703][ T4665] gfs2_sys_fs_add+0x1dc/0x3d8 [ 46.797416][ T4665] gfs2_fill_super+0xdec/0x19ec [ 46.798129][ T4665] get_tree_bdev+0x358/0x544 [ 46.798826][ T4665] gfs2_get_tree+0x54/0x1b4 [ 46.799474][ T4665] vfs_get_tree+0x90/0x274 [ 46.800100][ T4665] do_new_mount+0x228/0x810 [ 46.800789][ T4665] path_mount+0x5b4/0xe78 [ 46.801456][ T4665] __arm64_sys_mount+0x49c/0x584 [ 46.802158][ T4665] invoke_syscall+0x98/0x2bc [ 46.802816][ T4665] el0_svc_common+0x138/0x258 [ 46.803543][ T4665] do_el0_svc+0x58/0x13c [ 46.804172][ T4665] el0_svc+0x58/0x138 [ 46.804768][ T4665] el0t_64_sync_handler+0x84/0xf0 [ 46.805486][ T4665] el0t_64_sync+0x18c/0x190 [ 46.806198][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 46.807984][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 46.896303][ T4669] loop2: detected capacity change from 0 to 32768 [ 46.897961][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 46.899193][ T4669] CPU: 0 PID: 4669 Comm: syz.2.130 Not tainted syzkaller #0 [ 46.900303][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.901821][ T4669] Call trace: [ 46.902293][ T4669] dump_backtrace+0x1c8/0x1f4 [ 46.902992][ T4669] show_stack+0x2c/0x3c [ 46.903581][ T4669] __dump_stack+0x30/0x40 [ 46.904219][ T4669] dump_stack_lvl+0xf8/0x160 [ 46.904935][ T4669] dump_stack+0x1c/0x5c [ 46.905529][ T4669] sysfs_create_dir_ns+0x22c/0x24c [ 46.906302][ T4669] kobject_add_internal+0x5a8/0xb30 [ 46.907082][ T4669] kobject_init_and_add+0x118/0x17c [ 46.907890][ T4669] gfs2_sys_fs_add+0x1dc/0x3d8 [ 46.908657][ T4669] gfs2_fill_super+0xdec/0x19ec [ 46.909403][ T4669] get_tree_bdev+0x358/0x544 [ 46.910162][ T4669] gfs2_get_tree+0x54/0x1b4 [ 46.910896][ T4669] vfs_get_tree+0x90/0x274 [ 46.911613][ T4669] do_new_mount+0x228/0x810 [ 46.912333][ T4669] path_mount+0x5b4/0xe78 [ 46.913021][ T4669] __arm64_sys_mount+0x49c/0x584 [ 46.913812][ T4669] invoke_syscall+0x98/0x2bc [ 46.914505][ T4669] el0_svc_common+0x138/0x258 [ 46.915192][ T4669] do_el0_svc+0x58/0x13c [ 46.915802][ T4669] el0_svc+0x58/0x138 [ 46.916391][ T4669] el0t_64_sync_handler+0x84/0xf0 [ 46.917145][ T4669] el0t_64_sync+0x18c/0x190 [ 46.917916][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 46.919866][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.060895][ T4670] loop0: detected capacity change from 0 to 32768 [ 47.064464][ T4670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.065618][ T4670] CPU: 1 PID: 4670 Comm: syz.0.128 Not tainted syzkaller #0 [ 47.066645][ T4670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.068015][ T4670] Call trace: [ 47.068521][ T4670] dump_backtrace+0x1c8/0x1f4 [ 47.068636][ T3899] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 279ms [ 47.069193][ T4670] show_stack+0x2c/0x3c [ 47.070483][ T3899] gfs2: fsid=syz:syz.0: jid=0: Done [ 47.070966][ T4670] __dump_stack+0x30/0x40 [ 47.072384][ T4670] dump_stack_lvl+0xf8/0x160 [ 47.073038][ T4670] dump_stack+0x1c/0x5c [ 47.073661][ T4670] sysfs_create_dir_ns+0x22c/0x24c [ 47.074378][ T4670] kobject_add_internal+0x5a8/0xb30 [ 47.074597][ T4667] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.075161][ T4670] kobject_init_and_add+0x118/0x17c [ 47.076966][ T4670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 47.077638][ T4670] gfs2_fill_super+0xdec/0x19ec [ 47.078395][ T4670] get_tree_bdev+0x358/0x544 [ 47.079072][ T4670] gfs2_get_tree+0x54/0x1b4 [ 47.079703][ T4670] vfs_get_tree+0x90/0x274 [ 47.080354][ T4670] do_new_mount+0x228/0x810 [ 47.080965][ T4670] path_mount+0x5b4/0xe78 [ 47.081601][ T4670] __arm64_sys_mount+0x49c/0x584 [ 47.082281][ T4670] invoke_syscall+0x98/0x2bc [ 47.082950][ T4670] el0_svc_common+0x138/0x258 [ 47.083590][ T4670] do_el0_svc+0x58/0x13c [ 47.084255][ T4670] el0_svc+0x58/0x138 [ 47.084836][ T4670] el0t_64_sync_handler+0x84/0xf0 [ 47.085584][ T4670] el0t_64_sync+0x18c/0x190 [ 47.086960][ T4670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 47.088870][ T4670] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.203522][ T4672] loop1: detected capacity change from 0 to 32768 [ 47.281470][ T4672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.282661][ T4672] CPU: 0 PID: 4672 Comm: syz.1.132 Not tainted syzkaller #0 [ 47.283820][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.285197][ T4672] Call trace: [ 47.285739][ T4672] dump_backtrace+0x1c8/0x1f4 [ 47.286433][ T4672] show_stack+0x2c/0x3c [ 47.287039][ T4672] __dump_stack+0x30/0x40 [ 47.287711][ T4672] dump_stack_lvl+0xf8/0x160 [ 47.288385][ T4672] dump_stack+0x1c/0x5c [ 47.289048][ T4672] sysfs_create_dir_ns+0x22c/0x24c [ 47.289844][ T4672] kobject_add_internal+0x5a8/0xb30 [ 47.290674][ T4672] kobject_init_and_add+0x118/0x17c [ 47.291496][ T4672] gfs2_sys_fs_add+0x1dc/0x3d8 [ 47.292227][ T4672] gfs2_fill_super+0xdec/0x19ec [ 47.292926][ T4672] get_tree_bdev+0x358/0x544 [ 47.293549][ T4672] gfs2_get_tree+0x54/0x1b4 [ 47.294222][ T4672] vfs_get_tree+0x90/0x274 [ 47.294939][ T4672] do_new_mount+0x228/0x810 [ 47.295588][ T4672] path_mount+0x5b4/0xe78 [ 47.296249][ T4672] __arm64_sys_mount+0x49c/0x584 [ 47.296939][ T4672] invoke_syscall+0x98/0x2bc [ 47.297663][ T4672] el0_svc_common+0x138/0x258 [ 47.298371][ T4672] do_el0_svc+0x58/0x13c [ 47.299002][ T4672] el0_svc+0x58/0x138 [ 47.299601][ T4672] el0t_64_sync_handler+0x84/0xf0 [ 47.300335][ T4672] el0t_64_sync+0x18c/0x190 [ 47.301044][ T4672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 47.302962][ T4672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.336374][ T4667] gfs2: fsid=syz:syz.0: found 1 quota changes [ 47.457783][ T4677] loop2: detected capacity change from 0 to 32768 [ 47.461056][ T4677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.462264][ T4677] CPU: 1 PID: 4677 Comm: syz.2.135 Not tainted syzkaller #0 [ 47.463329][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.464875][ T4677] Call trace: [ 47.465368][ T4677] dump_backtrace+0x1c8/0x1f4 [ 47.466106][ T4677] show_stack+0x2c/0x3c [ 47.466747][ T4677] __dump_stack+0x30/0x40 [ 47.467379][ T4677] dump_stack_lvl+0xf8/0x160 [ 47.468047][ T4677] dump_stack+0x1c/0x5c [ 47.468664][ T4677] sysfs_create_dir_ns+0x22c/0x24c [ 47.469383][ T4677] kobject_add_internal+0x5a8/0xb30 [ 47.470146][ T4677] kobject_init_and_add+0x118/0x17c [ 47.470925][ T4677] gfs2_sys_fs_add+0x1dc/0x3d8 [ 47.471670][ T4677] gfs2_fill_super+0xdec/0x19ec [ 47.472382][ T4677] get_tree_bdev+0x358/0x544 [ 47.473084][ T4677] gfs2_get_tree+0x54/0x1b4 [ 47.473751][ T4677] vfs_get_tree+0x90/0x274 [ 47.474393][ T4677] do_new_mount+0x228/0x810 [ 47.475059][ T4677] path_mount+0x5b4/0xe78 [ 47.475669][ T4677] __arm64_sys_mount+0x49c/0x584 [ 47.476394][ T4677] invoke_syscall+0x98/0x2bc [ 47.477137][ T4677] el0_svc_common+0x138/0x258 [ 47.477851][ T4677] do_el0_svc+0x58/0x13c [ 47.478480][ T4677] el0_svc+0x58/0x138 [ 47.479067][ T4677] el0t_64_sync_handler+0x84/0xf0 [ 47.479794][ T4677] el0t_64_sync+0x18c/0x190 [ 47.481165][ T4677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 47.483068][ T4677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.488996][ T4675] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 47.488996][ T4675] inode = 11 2339 [ 47.488996][ T4675] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 47.491778][ T4675] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 47.493218][ T4675] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4675 [gfs2_quotad] gfs2_quota_sync+0x2e0/0x528 [ 47.494654][ T4675] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000200 s:0 p:0 [ 47.497918][ T4675] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 47.655275][ T4681] loop2: detected capacity change from 0 to 32768 [ 47.667456][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.668716][ T4681] CPU: 0 PID: 4681 Comm: syz.2.140 Not tainted syzkaller #0 [ 47.669917][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.671453][ T4681] Call trace: [ 47.671903][ T4681] dump_backtrace+0x1c8/0x1f4 [ 47.672618][ T4681] show_stack+0x2c/0x3c [ 47.673207][ T4681] __dump_stack+0x30/0x40 [ 47.673875][ T4681] dump_stack_lvl+0xf8/0x160 [ 47.674496][ T4681] dump_stack+0x1c/0x5c [ 47.675113][ T4681] sysfs_create_dir_ns+0x22c/0x24c [ 47.675905][ T4681] kobject_add_internal+0x5a8/0xb30 [ 47.676706][ T4681] kobject_init_and_add+0x118/0x17c [ 47.677486][ T4681] gfs2_sys_fs_add+0x1dc/0x3d8 [ 47.678200][ T4681] gfs2_fill_super+0xdec/0x19ec [ 47.679002][ T4681] get_tree_bdev+0x358/0x544 [ 47.679713][ T4681] gfs2_get_tree+0x54/0x1b4 [ 47.680423][ T4681] vfs_get_tree+0x90/0x274 [ 47.681051][ T4681] do_new_mount+0x228/0x810 [ 47.681718][ T4681] path_mount+0x5b4/0xe78 [ 47.682384][ T4681] __arm64_sys_mount+0x49c/0x584 [ 47.683136][ T4681] invoke_syscall+0x98/0x2bc [ 47.683874][ T4681] el0_svc_common+0x138/0x258 [ 47.684669][ T4681] do_el0_svc+0x58/0x13c [ 47.685306][ T4681] el0_svc+0x58/0x138 [ 47.685867][ T4681] el0t_64_sync_handler+0x84/0xf0 [ 47.686623][ T4681] el0t_64_sync+0x18c/0x190 [ 47.687354][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 47.689328][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.759267][ T4675] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 47.760697][ T4675] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 47.761811][ T4675] gfs2: fsid=syz:syz.0: File system withdrawn [ 47.762726][ T4675] CPU: 1 PID: 4675 Comm: gfs2_quotad Not tainted syzkaller #0 [ 47.763766][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.765292][ T4675] Call trace: [ 47.765778][ T4675] dump_backtrace+0x1c8/0x1f4 [ 47.766454][ T4675] show_stack+0x2c/0x3c [ 47.767066][ T4675] __dump_stack+0x30/0x40 [ 47.767691][ T4675] dump_stack_lvl+0xf8/0x160 [ 47.768346][ T4675] dump_stack+0x1c/0x5c [ 47.769035][ T4675] gfs2_withdraw+0xf9c/0x13a8 [ 47.769760][ T4675] gfs2_consist_inode_i+0xf0/0x10c [ 47.770554][ T4675] gfs2_inode_refresh+0x920/0xd54 [ 47.771310][ T4675] inode_go_instantiate+0x4c/0x68 [ 47.772038][ T4675] gfs2_instantiate+0x17c/0x2c4 [ 47.772789][ T4675] gfs2_glock_wait+0x1b4/0x298 [ 47.773532][ T4675] gfs2_glock_nq+0x8bc/0x11d4 [ 47.774243][ T4675] do_sync+0x40c/0xa94 [ 47.774850][ T4675] gfs2_quota_sync+0x2e0/0x528 [ 47.775570][ T4675] gfs2_quotad+0x2d8/0x4fc [ 47.776251][ T4675] kthread+0x250/0x2d8 [ 47.776839][ T4675] ret_from_fork+0x10/0x20 [ 47.782017][ T4458] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 47.784193][ T4458] CPU: 1 PID: 4458 Comm: syz-executor Not tainted syzkaller #0 [ 47.785393][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.786898][ T4458] Call trace: [ 47.787399][ T4458] dump_backtrace+0x1c8/0x1f4 [ 47.788130][ T4458] show_stack+0x2c/0x3c [ 47.788793][ T4458] __dump_stack+0x30/0x40 [ 47.789445][ T4458] dump_stack_lvl+0xf8/0x160 [ 47.790140][ T4458] dump_stack+0x1c/0x5c [ 47.790816][ T4458] gfs2_assert_warn_i+0x16c/0x26c [ 47.791593][ T4458] gfs2_quota_cleanup+0x454/0x65c [ 47.792422][ T4458] gfs2_put_super+0x1f0/0x764 [ 47.793104][ T4458] generic_shutdown_super+0x130/0x324 [ 47.793930][ T4458] kill_block_super+0x70/0xdc [ 47.794618][ T4458] gfs2_kill_sb+0xc0/0xd4 [ 47.795286][ T4458] deactivate_locked_super+0xac/0x124 [ 47.796068][ T4458] deactivate_super+0xe8/0x108 [ 47.796814][ T4458] cleanup_mnt+0x37c/0x404 [ 47.797465][ T4458] __cleanup_mnt+0x20/0x30 [ 47.798152][ T4458] task_work_run+0x1ec/0x270 [ 47.798835][ T4458] do_notify_resume+0x2038/0x2b28 [ 47.799552][ T4458] el0_svc+0x98/0x138 [ 47.800137][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 47.800866][ T4458] el0t_64_sync+0x18c/0x190 [ 48.334097][ T4692] loop2: detected capacity change from 0 to 32768 1970/01/01 00:00:48 executed programs: 141 [ 48.477015][ T4692] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.478396][ T4692] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.481034][ T4692] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 48.482687][ T4382] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.483629][ T4382] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.747773][ T4382] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 264ms [ 48.749079][ T4382] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.749891][ T4692] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 49.294516][ T4709] loop0: detected capacity change from 0 to 32768 [ 49.300936][ T4709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.302051][ T4709] CPU: 1 PID: 4709 Comm: syz.0.160 Not tainted syzkaller #0 [ 49.303163][ T4709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.304646][ T4709] Call trace: [ 49.305137][ T4709] dump_backtrace+0x1c8/0x1f4 [ 49.305839][ T4709] show_stack+0x2c/0x3c [ 49.306451][ T4709] __dump_stack+0x30/0x40 [ 49.307060][ T4709] dump_stack_lvl+0xf8/0x160 [ 49.307752][ T4709] dump_stack+0x1c/0x5c [ 49.308358][ T4709] sysfs_create_dir_ns+0x22c/0x24c [ 49.309175][ T4709] kobject_add_internal+0x5a8/0xb30 [ 49.309963][ T4709] kobject_init_and_add+0x118/0x17c [ 49.310724][ T4709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 49.311483][ T4709] gfs2_fill_super+0xdec/0x19ec [ 49.312182][ T4709] get_tree_bdev+0x358/0x544 [ 49.312823][ T4709] gfs2_get_tree+0x54/0x1b4 [ 49.313498][ T4709] vfs_get_tree+0x90/0x274 [ 49.314174][ T4709] do_new_mount+0x228/0x810 [ 49.314868][ T4709] path_mount+0x5b4/0xe78 [ 49.315544][ T4709] __arm64_sys_mount+0x49c/0x584 [ 49.316301][ T4709] invoke_syscall+0x98/0x2bc [ 49.316995][ T4709] el0_svc_common+0x138/0x258 [ 49.317731][ T4709] do_el0_svc+0x58/0x13c [ 49.318347][ T4709] el0_svc+0x58/0x138 [ 49.318928][ T4709] el0t_64_sync_handler+0x84/0xf0 [ 49.319678][ T4709] el0t_64_sync+0x18c/0x190 [ 49.320368][ T4709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.322188][ T4709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.325250][ T4692] gfs2: fsid=syz:syz.0: found 1 quota changes [ 49.489423][ T4703] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 49.489423][ T4703] inode = 11 2339 [ 49.489423][ T4703] function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 464 [ 49.492210][ T4703] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:qobnN t:EX d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 49.493652][ T4703] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:4703 [gfs2_quotad] gfs2_quota_sync+0x2e0/0x528 [ 49.505343][ T4703] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000201 s:0 p:0 [ 49.506804][ T4703] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 49.510691][ T4703] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 49.511948][ T4703] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 49.513009][ T4703] gfs2: fsid=syz:syz.0: File system withdrawn [ 49.513890][ T4703] CPU: 0 PID: 4703 Comm: gfs2_quotad Not tainted syzkaller #0 [ 49.514958][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.516466][ T4703] Call trace: [ 49.516966][ T4703] dump_backtrace+0x1c8/0x1f4 [ 49.517660][ T4703] show_stack+0x2c/0x3c [ 49.518312][ T4703] __dump_stack+0x30/0x40 [ 49.518998][ T4703] dump_stack_lvl+0xf8/0x160 [ 49.519697][ T4703] dump_stack+0x1c/0x5c [ 49.520302][ T4703] gfs2_withdraw+0xf9c/0x13a8 [ 49.520951][ T4703] gfs2_consist_inode_i+0xf0/0x10c [ 49.521741][ T4703] gfs2_inode_refresh+0x920/0xd54 [ 49.522509][ T4703] inode_go_instantiate+0x4c/0x68 [ 49.523238][ T4703] gfs2_instantiate+0x17c/0x2c4 [ 49.523923][ T4703] gfs2_glock_wait+0x1b4/0x298 [ 49.524615][ T4703] gfs2_glock_nq+0x8bc/0x11d4 [ 49.525296][ T4703] do_sync+0x40c/0xa94 [ 49.525845][ T4703] gfs2_quota_sync+0x2e0/0x528 [ 49.526585][ T4703] gfs2_quotad+0x2d8/0x4fc [ 49.527190][ T4703] kthread+0x250/0x2d8 [ 49.527819][ T4703] ret_from_fork+0x10/0x20 [ 49.538144][ T4448] gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed at function = gfs2_quota_cleanup, file = fs/gfs2/quota.c, line = 1485 [ 49.543707][ T4448] CPU: 0 PID: 4448 Comm: syz-executor Not tainted syzkaller #0 [ 49.544854][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.546428][ T4448] Call trace: [ 49.546959][ T4448] dump_backtrace+0x1c8/0x1f4 [ 49.547669][ T4448] show_stack+0x2c/0x3c [ 49.548252][ T4448] __dump_stack+0x30/0x40 [ 49.548924][ T4448] dump_stack_lvl+0xf8/0x160 [ 49.549559][ T4448] dump_stack+0x1c/0x5c [ 49.550188][ T4448] gfs2_assert_warn_i+0x16c/0x26c [ 49.550926][ T4448] gfs2_quota_cleanup+0x454/0x65c [ 49.551659][ T4448] gfs2_put_super+0x1f0/0x764 [ 49.552310][ T4448] generic_shutdown_super+0x130/0x324 [ 49.553185][ T4448] kill_block_super+0x70/0xdc [ 49.553898][ T4448] gfs2_kill_sb+0xc0/0xd4 [ 49.554536][ T4448] deactivate_locked_super+0xac/0x124 [ 49.555345][ T4448] deactivate_super+0xe8/0x108 [ 49.556027][ T4448] cleanup_mnt+0x37c/0x404 [ 49.556730][ T4448] __cleanup_mnt+0x20/0x30 [ 49.557325][ T4448] task_work_run+0x1ec/0x270 [ 49.558024][ T4448] do_notify_resume+0x2038/0x2b28 [ 49.558789][ T4448] el0_svc+0x98/0x138 [ 49.559395][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 49.560165][ T4448] el0t_64_sync+0x18c/0x190 [ 49.578877][ T4713] loop3: detected capacity change from 0 to 32768 [ 49.621282][ T4713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.622490][ T4713] CPU: 1 PID: 4713 Comm: syz.3.166 Not tainted syzkaller #0 [ 49.623529][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.624973][ T4713] Call trace: [ 49.625453][ T4713] dump_backtrace+0x1c8/0x1f4 [ 49.626186][ T4713] show_stack+0x2c/0x3c [ 49.626859][ T4713] __dump_stack+0x30/0x40 [ 49.627533][ T4713] dump_stack_lvl+0xf8/0x160 [ 49.628239][ T4713] dump_stack+0x1c/0x5c [ 49.628849][ T4713] sysfs_create_dir_ns+0x22c/0x24c [ 49.629635][ T4713] kobject_add_internal+0x5a8/0xb30 [ 49.630385][ T4713] kobject_init_and_add+0x118/0x17c [ 49.631113][ T4713] gfs2_sys_fs_add+0x1dc/0x3d8 [ 49.631814][ T4713] gfs2_fill_super+0xdec/0x19ec [ 49.632472][ T4713] get_tree_bdev+0x358/0x544 [ 49.633149][ T4713] gfs2_get_tree+0x54/0x1b4 [ 49.633843][ T4713] vfs_get_tree+0x90/0x274 [ 49.634520][ T4713] do_new_mount+0x228/0x810 [ 49.635152][ T4713] path_mount+0x5b4/0xe78 [ 49.635798][ T4713] __arm64_sys_mount+0x49c/0x584 [ 49.636506][ T4713] invoke_syscall+0x98/0x2bc [ 49.637229][ T4713] el0_svc_common+0x138/0x258 [ 49.637948][ T4713] do_el0_svc+0x58/0x13c [ 49.638548][ T4713] el0_svc+0x58/0x138 [ 49.639162][ T4713] el0t_64_sync_handler+0x84/0xf0 [ 49.639909][ T4713] el0t_64_sync+0x18c/0x190 [ 49.640663][ T4713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.642501][ T4713] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.666437][ T4714] loop1: detected capacity change from 0 to 32768 [ 49.668293][ T4714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.669447][ T4714] CPU: 0 PID: 4714 Comm: syz.1.165 Not tainted syzkaller #0 [ 49.670543][ T4714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.671952][ T4714] Call trace: [ 49.672413][ T4714] dump_backtrace+0x1c8/0x1f4 [ 49.673113][ T4714] show_stack+0x2c/0x3c [ 49.673726][ T4714] __dump_stack+0x30/0x40 [ 49.674386][ T4714] dump_stack_lvl+0xf8/0x160 [ 49.675073][ T4714] dump_stack+0x1c/0x5c [ 49.675779][ T4714] sysfs_create_dir_ns+0x22c/0x24c [ 49.676586][ T4714] kobject_add_internal+0x5a8/0xb30 [ 49.677320][ T4714] kobject_init_and_add+0x118/0x17c [ 49.678102][ T4714] gfs2_sys_fs_add+0x1dc/0x3d8 [ 49.678785][ T4714] gfs2_fill_super+0xdec/0x19ec [ 49.679481][ T4714] get_tree_bdev+0x358/0x544 [ 49.680092][ T4714] gfs2_get_tree+0x54/0x1b4 [ 49.680748][ T4714] vfs_get_tree+0x90/0x274 [ 49.681380][ T4714] do_new_mount+0x228/0x810 [ 49.682006][ T4714] path_mount+0x5b4/0xe78 [ 49.682638][ T4714] __arm64_sys_mount+0x49c/0x584 [ 49.683375][ T4714] invoke_syscall+0x98/0x2bc [ 49.684055][ T4714] el0_svc_common+0x138/0x258 [ 49.684714][ T4714] do_el0_svc+0x58/0x13c [ 49.685349][ T4714] el0_svc+0x58/0x138 [ 49.685911][ T4714] el0t_64_sync_handler+0x84/0xf0 [ 49.686659][ T4714] el0t_64_sync+0x18c/0x190 [ 49.687360][ T4714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.689322][ T4714] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.702324][ T4703] Unable to handle kernel paging request at virtual address dfff800000000002 [ 49.703747][ T4703] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 49.705048][ T4703] Mem abort info: [ 49.705579][ T4703] ESR = 0x0000000096000006 [ 49.706720][ T4703] EC = 0x25: DABT (current EL), IL = 32 bits [ 49.707586][ T4703] SET = 0, FnV = 0 [ 49.711414][ T4405] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 49.864115][ T4703] EA = 0, S1PTW = 0 [ 49.864786][ T4703] FSC = 0x06: level 2 translation fault [ 49.866204][ T4703] Data abort info: [ 49.866727][ T4703] ISV = 0, ISS = 0x00000006 [ 49.867381][ T4703] CM = 0, WnR = 0 [ 49.867956][ T4703] [dfff800000000002] address between user and kernel address ranges [ 49.883514][ T4703] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 49.884573][ T4703] Modules linked in: [ 49.885160][ T4703] CPU: 1 PID: 4703 Comm: gfs2_quotad Not tainted syzkaller #0 [ 49.886251][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.887761][ T4703] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.888836][ T4703] pc : do_sync+0x86c/0xa94 [ 49.889499][ T4703] lr : do_sync+0x848/0xa94 [ 49.890120][ T4703] sp : ffff8000229d7ac0 [ 49.890705][ T4703] x29: ffff8000229d7c10 x28: ffff0000f3981ae0 x27: ffff80000a1debc4 [ 49.891922][ T4703] x26: 00000000fffffffb x25: ffff70000453af64 x24: dfff800000000000 [ 49.893066][ T4703] x23: 0000000000000000 x22: ffff0000d8d76100 x21: ffff0000d8d76100 [ 49.894218][ T4703] x20: 0000000000000000 x19: 0000000000000000 x18: ffff800011abbcc0 [ 49.895365][ T4703] x17: ffff8000181f9000 x16: ffff8000082d25ac x15: ffff800017cda000 [ 49.896490][ T4703] x14: 00000000ffff8000 x13: 00000000f21d0cde x12: 0000000000ff0100 [ 49.897689][ T4703] x11: ff0080000a894400 x10: 0000000000000000 x9 : 25f4d471881e0f00 [ 49.898831][ T4703] x8 : 0000000000000002 x7 : 0000000000000000 x6 : 000000000000003f [ 49.899983][ T4703] x5 : 0000000000000040 x4 : 0000000000000001 x3 : 0000000000000000 [ 49.901230][ T4703] x2 : 0000000000000006 x1 : ffff800011abd7c0 x0 : 0000000000000010 [ 49.902530][ T4703] Call trace: [ 49.903041][ T4703] do_sync+0x86c/0xa94 [ 49.903652][ T4703] gfs2_quota_sync+0x2e0/0x528 [ 49.904361][ T4703] gfs2_quotad+0x2d8/0x4fc [ 49.904975][ T4703] kthread+0x250/0x2d8 [ 49.905577][ T4703] ret_from_fork+0x10/0x20 [ 49.906220][ T4703] Code: 979be98a f9400294 91004280 d343fc08 (38786908) [ 49.907228][ T4703] ---[ end trace 0000000000000000 ]--- [ 50.196873][ T4703] Kernel panic - not syncing: Oops: Fatal exception [ 50.197775][ T4703] SMP: stopping secondary CPUs [ 50.198426][ T4703] Kernel Offset: disabled [ 50.199039][ T4703] CPU features: 0x080000,000f0097,a65bfea7 [ 50.199895][ T4703] Memory Limit: none [ 50.497207][ T4703] Rebooting in 86400 seconds..