Warning: Permanently added '10.128.0.184' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 47.692032][ T4026] loop0: detected capacity change from 0 to 32768 [ 47.727559][ T4025] loop1: detected capacity change from 0 to 32768 [ 47.741795][ T4024] loop4: detected capacity change from 0 to 32768 [ 47.746717][ T4025] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 47.762087][ T4025] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 47.765986][ T4027] loop2: detected capacity change from 0 to 32768 [ 47.770966][ T4026] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.772487][ T4026] CPU: 0 PID: 4026 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 47.774109][ T4026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 47.775936][ T4026] Call trace: [ 47.776531][ T4026] dump_backtrace+0x0/0x530 [ 47.777371][ T4026] show_stack+0x2c/0x3c [ 47.778142][ T4026] dump_stack_lvl+0x108/0x170 [ 47.779026][ T4026] dump_stack+0x1c/0x58 [ 47.779827][ T4026] sysfs_create_dir_ns+0x278/0x318 [ 47.780669][ T4024] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.780807][ T4026] kobject_add_internal+0x384/0x8f0 [ 47.783158][ T4026] kobject_init_and_add+0x130/0x1a0 [ 47.784141][ T4026] gfs2_sys_fs_add+0x1f8/0x3f4 [ 47.785084][ T4026] gfs2_fill_super+0xe10/0x2010 [ 47.786028][ T4026] get_tree_bdev+0x360/0x54c [ 47.786915][ T4026] gfs2_get_tree+0x54/0x1b4 [ 47.787766][ T4026] vfs_get_tree+0x90/0x274 [ 47.788618][ T4026] do_new_mount+0x278/0x8fc [ 47.789477][ T4026] path_mount+0x594/0x101c [ 47.790331][ T4026] __arm64_sys_mount+0x510/0x5e0 [ 47.791281][ T4026] invoke_syscall+0x98/0x2b8 [ 47.792173][ T4026] el0_svc_common+0x138/0x258 [ 47.792178][ T4027] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.794504][ T4026] do_el0_svc+0x58/0x14c [ 47.795318][ T4026] el0_svc+0x7c/0x1f0 [ 47.796086][ T4026] el0t_64_sync_handler+0x84/0xe4 [ 47.797047][ T4026] el0t_64_sync+0x1a0/0x1a4 [ 47.797911][ T4027] CPU: 1 PID: 4027 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 47.799604][ T4027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 47.801524][ T4027] Call trace: [ 47.802195][ T4027] dump_backtrace+0x0/0x530 [ 47.803057][ T4027] show_stack+0x2c/0x3c [ 47.803901][ T4027] dump_stack_lvl+0x108/0x170 [ 47.804804][ T4027] dump_stack+0x1c/0x58 [ 47.805608][ T4027] sysfs_create_dir_ns+0x278/0x318 [ 47.806599][ T4027] kobject_add_internal+0x384/0x8f0 [ 47.807630][ T4027] kobject_init_and_add+0x130/0x1a0 [ 47.808635][ T4027] gfs2_sys_fs_add+0x1f8/0x3f4 [ 47.809578][ T4027] gfs2_fill_super+0xe10/0x2010 [ 47.810511][ T4027] get_tree_bdev+0x360/0x54c [ 47.811390][ T4027] gfs2_get_tree+0x54/0x1b4 [ 47.812253][ T4027] vfs_get_tree+0x90/0x274 [ 47.813105][ T4027] do_new_mount+0x278/0x8fc [ 47.813968][ T4027] path_mount+0x594/0x101c [ 47.814814][ T4027] __arm64_sys_mount+0x510/0x5e0 [ 47.815783][ T4027] invoke_syscall+0x98/0x2b8 [ 47.816705][ T4027] el0_svc_common+0x138/0x258 [ 47.817615][ T4027] do_el0_svc+0x58/0x14c [ 47.818428][ T4027] el0_svc+0x7c/0x1f0 [ 47.819194][ T4027] el0t_64_sync_handler+0x84/0xe4 [ 47.820160][ T4027] el0t_64_sync+0x1a0/0x1a4 [ 47.821859][ T4026] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 47.829320][ T4026] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.829787][ T4024] CPU: 0 PID: 4024 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 47.832283][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 47.834177][ T4024] Call trace: [ 47.834838][ T4024] dump_backtrace+0x0/0x530 [ 47.835703][ T4024] show_stack+0x2c/0x3c [ 47.836494][ T4024] dump_stack_lvl+0x108/0x170 [ 47.837393][ T4024] dump_stack+0x1c/0x58 [ 47.838199][ T4024] sysfs_create_dir_ns+0x278/0x318 [ 47.839170][ T4024] kobject_add_internal+0x384/0x8f0 [ 47.840174][ T4024] kobject_init_and_add+0x130/0x1a0 [ 47.841186][ T4024] gfs2_sys_fs_add+0x1f8/0x3f4 [ 47.841635][ T4029] loop3: detected capacity change from 0 to 32768 [ 47.842131][ T4024] gfs2_fill_super+0xe10/0x2010 [ 47.843495][ T4027] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 47.844286][ T4024] get_tree_bdev+0x360/0x54c [ 47.847044][ T4027] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.847665][ T4024] gfs2_get_tree+0x54/0x1b4 [ 47.849756][ T4024] vfs_get_tree+0x90/0x274 [ 47.850681][ T4024] do_new_mount+0x278/0x8fc [ 47.851566][ T4024] path_mount+0x594/0x101c [ 47.852449][ T4024] __arm64_sys_mount+0x510/0x5e0 [ 47.853424][ T4024] invoke_syscall+0x98/0x2b8 [ 47.854328][ T4024] el0_svc_common+0x138/0x258 [ 47.855242][ T4024] do_el0_svc+0x58/0x14c [ 47.856064][ T4024] el0_svc+0x7c/0x1f0 [ 47.856838][ T4024] el0t_64_sync_handler+0x84/0xe4 [ 47.857816][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 47.860571][ T4024] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 47.863522][ T4024] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 47.880228][ T4025] gfs2: fsid=syz:syz.s: journal 0 mapped with 1 extents in 0ms [ 47.898938][ T4029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 47.900501][ T4029] CPU: 1 PID: 4029 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 47.902139][ T4029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 47.904158][ T4029] Call trace: [ 47.904815][ T4029] dump_backtrace+0x0/0x530 [ 47.905719][ T4029] show_stack+0x2c/0x3c [ 47.906522][ T4029] dump_stack_lvl+0x108/0x170 [ 47.907513][ T4029] dump_stack+0x1c/0x58 [ 47.908304][ T4029] sysfs_create_dir_ns+0x278/0x318 [ 47.909304][ T4029] kobject_add_internal+0x384/0x8f0 [ 47.910300][ T4029] kobject_init_and_add+0x130/0x1a0 [ 47.911311][ T4029] gfs2_sys_fs_add+0x1f8/0x3f4 [ 47.912254][ T4029] gfs2_fill_super+0xe10/0x2010 [ 47.913199][ T4029] get_tree_bdev+0x360/0x54c [ 47.914079][ T4029] gfs2_get_tree+0x54/0x1b4 [ 47.914936][ T4029] vfs_get_tree+0x90/0x274 [ 47.915811][ T4029] do_new_mount+0x278/0x8fc [ 47.916692][ T4029] path_mount+0x594/0x101c [ 47.917557][ T4029] __arm64_sys_mount+0x510/0x5e0 [ 47.918512][ T4029] invoke_syscall+0x98/0x2b8 [ 47.919394][ T4029] el0_svc_common+0x138/0x258 [ 47.920292][ T4029] do_el0_svc+0x58/0x14c [ 47.921066][ T4029] el0_svc+0x7c/0x1f0 [ 47.921803][ T4029] el0t_64_sync_handler+0x84/0xe4 [ 47.922752][ T4029] el0t_64_sync+0x1a0/0x1a4 [ 47.972926][ T4025] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 48.039180][ T4029] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 48.041801][ T4029] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 48.604272][ T4027] loop2: detected capacity change from 0 to 32768 [ 48.688628][ T4026] loop0: detected capacity change from 0 to 32768 [ 48.690973][ T4024] loop4: detected capacity change from 0 to 32768 [ 48.717640][ T4027] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" executing program [ 48.719470][ T4027] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.729329][ T4027] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 48.729798][ T4024] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 48.732728][ T4024] CPU: 0 PID: 4024 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 48.734465][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 48.736423][ T4024] Call trace: [ 48.737085][ T4024] dump_backtrace+0x0/0x530 [ 48.738037][ T4024] show_stack+0x2c/0x3c [ 48.738968][ T4024] dump_stack_lvl+0x108/0x170 [ 48.739982][ T4024] dump_stack+0x1c/0x58 [ 48.740813][ T4024] sysfs_create_dir_ns+0x278/0x318 [ 48.741856][ T4024] kobject_add_internal+0x384/0x8f0 [ 48.742908][ T4024] kobject_init_and_add+0x130/0x1a0 [ 48.743956][ T4024] gfs2_sys_fs_add+0x1f8/0x3f4 [ 48.744927][ T4024] gfs2_fill_super+0xe10/0x2010 [ 48.745897][ T4024] get_tree_bdev+0x360/0x54c [ 48.746812][ T4024] gfs2_get_tree+0x54/0x1b4 [ 48.747696][ T4024] vfs_get_tree+0x90/0x274 [ 48.748556][ T4024] do_new_mount+0x278/0x8fc [ 48.749504][ T4024] path_mount+0x594/0x101c [ 48.750530][ T4024] __arm64_sys_mount+0x510/0x5e0 [ 48.751592][ T4024] invoke_syscall+0x98/0x2b8 [ 48.752522][ T4024] el0_svc_common+0x138/0x258 [ 48.753477][ T4024] do_el0_svc+0x58/0x14c [ 48.754373][ T4024] el0_svc+0x7c/0x1f0 [ 48.755176][ T4024] el0t_64_sync_handler+0x84/0xe4 [ 48.756416][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 48.758661][ T4024] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 48.759772][ T1960] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.762825][ T1960] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.763973][ T4024] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 48.799716][ T4026] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 48.801341][ T4026] CPU: 0 PID: 4026 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 48.803098][ T4026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 48.805120][ T4026] Call trace: [ 48.805811][ T4026] dump_backtrace+0x0/0x530 [ 48.806722][ T4026] show_stack+0x2c/0x3c [ 48.807548][ T4026] dump_stack_lvl+0x108/0x170 [ 48.808450][ T4026] dump_stack+0x1c/0x58 [ 48.809303][ T4026] sysfs_create_dir_ns+0x278/0x318 [ 48.810343][ T4026] kobject_add_internal+0x384/0x8f0 [ 48.811395][ T4026] kobject_init_and_add+0x130/0x1a0 [ 48.812489][ T4026] gfs2_sys_fs_add+0x1f8/0x3f4 [ 48.813442][ T4026] gfs2_fill_super+0xe10/0x2010 [ 48.814446][ T4026] get_tree_bdev+0x360/0x54c [ 48.815402][ T4026] gfs2_get_tree+0x54/0x1b4 [ 48.816340][ T4026] vfs_get_tree+0x90/0x274 [ 48.817235][ T4026] do_new_mount+0x278/0x8fc [ 48.818171][ T4026] path_mount+0x594/0x101c [ 48.819265][ T4026] __arm64_sys_mount+0x510/0x5e0 [ 48.820273][ T4026] invoke_syscall+0x98/0x2b8 [ 48.821278][ T4026] el0_svc_common+0x138/0x258 [ 48.822256][ T4026] do_el0_svc+0x58/0x14c [ 48.822589][ T1960] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 59ms [ 48.823249][ T4026] el0_svc+0x7c/0x1f0 [ 48.825200][ T1960] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.825691][ T4026] el0t_64_sync_handler+0x84/0xe4 [ 48.825705][ T4026] el0t_64_sync+0x1a0/0x1a4 [ 48.829290][ T4027] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.833307][ T4026] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 48.836057][ T4026] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 48.993126][ T4029] loop3: detected capacity change from 0 to 32768 executing program [ 49.057888][ T4027] gfs2: fsid=syz:syz.0: can't make FS RW: -5 [ 49.080076][ T226] [ 49.080666][ T226] ====================================================== [ 49.082042][ T226] WARNING: possible circular locking dependency detected [ 49.083528][ T226] 5.15.173-syzkaller #0 Not tainted [ 49.084527][ T226] ------------------------------------------------------ [ 49.085895][ T226] kworker/1:1H/226 is trying to acquire lock: [ 49.087133][ T226] ffff0000c7f120e0 (&type->s_umount_key#41){+.+.}-{3:3}, at: freeze_super+0x5c/0x388 [ 49.089121][ T226] [ 49.089121][ T226] but task is already holding lock: [ 49.090648][ T226] ffff80001df67c00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 [ 49.093007][ T226] [ 49.093007][ T226] which lock already depends on the new lock. [ 49.093007][ T226] [ 49.095183][ T226] [ 49.095183][ T226] the existing dependency chain (in reverse order) is: [ 49.096997][ T226] [ 49.096997][ T226] -> #2 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}: [ 49.098988][ T226] process_one_work+0x6d4/0x11b8 [ 49.100124][ T226] worker_thread+0x910/0x1034 [ 49.101368][ T226] kthread+0x37c/0x45c [ 49.102258][ T226] ret_from_fork+0x10/0x20 [ 49.103244][ T226] [ 49.103244][ T226] -> #1 ((wq_completion)glock_workqueue){+.+.}-{0:0}: [ 49.105249][ T226] flush_workqueue+0x14c/0x11c4 [ 49.106358][ T226] gfs2_gl_hash_clear+0xbc/0x2f4 [ 49.107479][ T226] gfs2_put_super+0x5e4/0x684 [ 49.108500][ T226] generic_shutdown_super+0x130/0x2f0 [ 49.109667][ T226] kill_block_super+0x70/0xdc [ 49.110766][ T226] gfs2_kill_sb+0xc0/0xd4 [ 49.111796][ T226] deactivate_locked_super+0xb8/0x13c [ 49.113105][ T226] deactivate_super+0x108/0x128 [ 49.114281][ T226] cleanup_mnt+0x3c0/0x474 [ 49.115262][ T226] __cleanup_mnt+0x20/0x30 [ 49.116436][ T226] task_work_run+0x130/0x1e4 [ 49.117547][ T226] do_notify_resume+0x262c/0x32b8 [ 49.118842][ T226] el0_svc+0xfc/0x1f0 [ 49.119858][ T226] el0t_64_sync_handler+0x84/0xe4 [ 49.121095][ T226] el0t_64_sync+0x1a0/0x1a4 [ 49.122192][ T226] [ 49.122192][ T226] -> #0 (&type->s_umount_key#41){+.+.}-{3:3}: [ 49.123937][ T226] __lock_acquire+0x32d4/0x7638 [ 49.124995][ T226] lock_acquire+0x240/0x77c [ 49.126065][ T226] down_write+0xbc/0x12c [ 49.127139][ T226] freeze_super+0x5c/0x388 [ 49.128216][ T226] freeze_go_sync+0x128/0x31c [ 49.129310][ T226] do_xmote+0x304/0x1054 [ 49.130282][ T226] run_queue+0x3f8/0x6bc [ 49.131250][ T226] glock_work_func+0x27c/0x470 [ 49.132337][ T226] process_one_work+0x790/0x11b8 [ 49.133444][ T226] worker_thread+0x910/0x1034 [ 49.134519][ T226] kthread+0x37c/0x45c [ 49.135431][ T226] ret_from_fork+0x10/0x20 [ 49.136424][ T226] [ 49.136424][ T226] other info that might help us debug this: [ 49.136424][ T226] [ 49.138627][ T226] Chain exists of: [ 49.138627][ T226] &type->s_umount_key#41 --> (wq_completion)glock_workqueue --> (work_completion)(&(&gl->gl_work)->work) [ 49.138627][ T226] [ 49.142399][ T226] Possible unsafe locking scenario: [ 49.142399][ T226] [ 49.143966][ T226] CPU0 CPU1 [ 49.145086][ T226] ---- ---- [ 49.145575][ T4029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.146160][ T226] lock((work_completion)(&(&gl->gl_work)->work)); [ 49.146174][ T226] lock((wq_completion)glock_workqueue); [ 49.146184][ T226] lock((work_completion)(&(&gl->gl_work)->work) [ 49.147757][ T4029] CPU: 0 PID: 4029 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 49.149215][ T226] ); [ 49.150907][ T4029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.152743][ T226] lock( [ 49.154360][ T4029] Call trace: [ 49.154876][ T226] &type->s_umount_key [ 49.156935][ T4029] dump_backtrace+0x0/0x530 [ 49.157569][ T226] #41 [ 49.158241][ T4029] show_stack+0x2c/0x3c [ 49.159032][ T226] ); [ 49.160012][ T4029] dump_stack_lvl+0x108/0x170 [ 49.160584][ T226] [ 49.160584][ T226] *** DEADLOCK *** [ 49.160584][ T226] [ 49.160590][ T226] 2 locks held by kworker/1:1H/226: [ 49.161385][ T4029] dump_stack+0x1c/0x58 [ 49.161939][ T226] #0: [ 49.162825][ T4029] sysfs_create_dir_ns+0x278/0x318 [ 49.164478][ T226] ffff0000c682c938 [ 49.165578][ T4029] kobject_add_internal+0x384/0x8f0 [ 49.166584][ T226] ( [ 49.167097][ T4029] kobject_init_and_add+0x130/0x1a0 [ 49.168260][ T226] (wq_completion)glock_workqueue [ 49.168999][ T4029] gfs2_sys_fs_add+0x1f8/0x3f4 [ 49.170215][ T226] ){+.+.}-{0:0} [ 49.170741][ T4029] gfs2_fill_super+0xe10/0x2010 [ 49.171786][ T226] , at: process_one_work+0x66c/0x11b8 [ 49.172727][ T4029] get_tree_bdev+0x360/0x54c [ 49.173709][ T226] #1: [ 49.174445][ T4029] gfs2_get_tree+0x54/0x1b4 [ 49.175573][ T226] ffff80001df67c00 [ 49.176603][ T4029] vfs_get_tree+0x90/0x274 [ 49.177577][ T226] ((work_completion)(&(&gl->gl_work)->work) [ 49.178162][ T4029] do_new_mount+0x278/0x8fc [ 49.179128][ T226] ){+.+.}-{0:0} [ 49.179871][ T4029] path_mount+0x594/0x101c [ 49.180898][ T226] , at: process_one_work+0x6ac/0x11b8 [ 49.182270][ T4029] __arm64_sys_mount+0x510/0x5e0 [ 49.183199][ T226] [ 49.183199][ T226] stack backtrace: [ 49.188064][ T4029] invoke_syscall+0x98/0x2b8 [ 49.189090][ T4029] el0_svc_common+0x138/0x258 [ 49.190071][ T4029] do_el0_svc+0x58/0x14c [ 49.191060][ T4029] el0_svc+0x7c/0x1f0 [ 49.191961][ T4029] el0t_64_sync_handler+0x84/0xe4 [ 49.193096][ T4029] el0t_64_sync+0x1a0/0x1a4 [ 49.194100][ T226] CPU: 1 PID: 226 Comm: kworker/1:1H Not tainted 5.15.173-syzkaller #0 [ 49.195875][ T226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.198065][ T226] Workqueue: glock_workqueue glock_work_func [ 49.199217][ T226] Call trace: [ 49.199953][ T226] dump_backtrace+0x0/0x530 [ 49.201002][ T226] show_stack+0x2c/0x3c [ 49.201913][ T226] dump_stack_lvl+0x108/0x170 [ 49.202835][ T226] dump_stack+0x1c/0x58 [ 49.203717][ T226] print_circular_bug+0x150/0x1b8 [ 49.204983][ T226] check_noncircular+0x2cc/0x378 [ 49.206143][ T226] __lock_acquire+0x32d4/0x7638 [ 49.207139][ T226] lock_acquire+0x240/0x77c [ 49.208064][ T226] down_write+0xbc/0x12c [ 49.208960][ T226] freeze_super+0x5c/0x388 [ 49.209852][ T226] freeze_go_sync+0x128/0x31c [ 49.210871][ T226] do_xmote+0x304/0x1054 [ 49.211925][ T226] run_queue+0x3f8/0x6bc [ 49.212906][ T226] glock_work_func+0x27c/0x470 [ 49.213945][ T226] process_one_work+0x790/0x11b8 [ 49.214922][ T226] worker_thread+0x910/0x1034 [ 49.215864][ T226] kthread+0x37c/0x45c [ 49.216716][ T226] ret_from_fork+0x10/0x20 [ 49.250051][ T4032] loop1: detected capacity change from 0 to 32768 [ 49.270938][ T4032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.272463][ T4032] CPU: 0 PID: 4032 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 49.274204][ T4032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.276210][ T4032] Call trace: [ 49.276892][ T4032] dump_backtrace+0x0/0x530 [ 49.277791][ T4032] show_stack+0x2c/0x3c [ 49.278670][ T4032] dump_stack_lvl+0x108/0x170 [ 49.279622][ T4032] dump_stack+0x1c/0x58 [ 49.280447][ T4032] sysfs_create_dir_ns+0x278/0x318 [ 49.281452][ T4032] kobject_add_internal+0x384/0x8f0 [ 49.282553][ T4032] kobject_init_and_add+0x130/0x1a0 [ 49.283661][ T4032] gfs2_sys_fs_add+0x1f8/0x3f4 [ 49.284641][ T4032] gfs2_fill_super+0xe10/0x2010 [ 49.285719][ T4032] get_tree_bdev+0x360/0x54c [ 49.286616][ T4032] gfs2_get_tree+0x54/0x1b4 [ 49.287490][ T4032] vfs_get_tree+0x90/0x274 [ 49.288363][ T4032] do_new_mount+0x278/0x8fc [ 49.289411][ T4032] path_mount+0x594/0x101c [ 49.290350][ T4032] __arm64_sys_mount+0x510/0x5e0 [ 49.291390][ T4032] invoke_syscall+0x98/0x2b8 [ 49.292413][ T4032] el0_svc_common+0x138/0x258 [ 49.293431][ T4032] do_el0_svc+0x58/0x14c [ 49.294341][ T4032] el0_svc+0x7c/0x1f0 [ 49.295244][ T4032] el0t_64_sync_handler+0x84/0xe4 [ 49.296293][ T4032] el0t_64_sync+0x1a0/0x1a4 [ 49.338321][ T4032] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.341452][ T4029] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.344478][ T4029] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.346675][ T4032] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.361616][ T4036] loop4: detected capacity change from 0 to 32768 [ 49.434074][ T4036] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.435721][ T4036] CPU: 1 PID: 4036 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 49.437555][ T4036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.439592][ T4036] Call trace: [ 49.440282][ T4036] dump_backtrace+0x0/0x530 [ 49.441218][ T4036] show_stack+0x2c/0x3c [ 49.442140][ T4036] dump_stack_lvl+0x108/0x170 [ 49.443166][ T4036] dump_stack+0x1c/0x58 [ 49.444090][ T4036] sysfs_create_dir_ns+0x278/0x318 [ 49.445306][ T4036] kobject_add_internal+0x384/0x8f0 [ 49.446423][ T4036] kobject_init_and_add+0x130/0x1a0 [ 49.447578][ T4036] gfs2_sys_fs_add+0x1f8/0x3f4 [ 49.448570][ T4036] gfs2_fill_super+0xe10/0x2010 [ 49.449680][ T4036] get_tree_bdev+0x360/0x54c [ 49.450711][ T4036] gfs2_get_tree+0x54/0x1b4 [ 49.451776][ T4036] vfs_get_tree+0x90/0x274 [ 49.452745][ T4036] do_new_mount+0x278/0x8fc [ 49.453721][ T4036] path_mount+0x594/0x101c [ 49.454668][ T4036] __arm64_sys_mount+0x510/0x5e0 [ 49.455635][ T4036] invoke_syscall+0x98/0x2b8 [ 49.456627][ T4036] el0_svc_common+0x138/0x258 [ 49.457614][ T4036] do_el0_svc+0x58/0x14c [ 49.458556][ T4036] el0_svc+0x7c/0x1f0 [ 49.459492][ T4036] el0t_64_sync_handler+0x84/0xe4 [ 49.460623][ T4036] el0t_64_sync+0x1a0/0x1a4 [ 49.476036][ T4036] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.479450][ T4036] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.508837][ T4037] loop0: detected capacity change from 0 to 32768 executing program [ 49.565108][ T4037] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.566729][ T4037] CPU: 1 PID: 4037 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 49.568602][ T4037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.570701][ T4037] Call trace: [ 49.571380][ T4037] dump_backtrace+0x0/0x530 [ 49.572393][ T4037] show_stack+0x2c/0x3c [ 49.573306][ T4037] dump_stack_lvl+0x108/0x170 [ 49.574314][ T4037] dump_stack+0x1c/0x58 [ 49.575170][ T4037] sysfs_create_dir_ns+0x278/0x318 [ 49.576207][ T4037] kobject_add_internal+0x384/0x8f0 [ 49.577330][ T4037] kobject_init_and_add+0x130/0x1a0 [ 49.578417][ T4037] gfs2_sys_fs_add+0x1f8/0x3f4 [ 49.579459][ T4037] gfs2_fill_super+0xe10/0x2010 [ 49.580463][ T4037] get_tree_bdev+0x360/0x54c [ 49.581453][ T4037] gfs2_get_tree+0x54/0x1b4 [ 49.582423][ T4037] vfs_get_tree+0x90/0x274 [ 49.583349][ T4037] do_new_mount+0x278/0x8fc [ 49.584322][ T4037] path_mount+0x594/0x101c [ 49.585286][ T4037] __arm64_sys_mount+0x510/0x5e0 [ 49.586324][ T4037] invoke_syscall+0x98/0x2b8 [ 49.587260][ T4037] el0_svc_common+0x138/0x258 [ 49.588285][ T4037] do_el0_svc+0x58/0x14c [ 49.589108][ T4037] el0_svc+0x7c/0x1f0 [ 49.589971][ T4037] el0t_64_sync_handler+0x84/0xe4 [ 49.591034][ T4037] el0t_64_sync+0x1a0/0x1a4 [ 49.638584][ T4037] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.641226][ T4037] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.750099][ T4032] loop1: detected capacity change from 0 to 32768 [ 49.771358][ T4032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.772842][ T4032] CPU: 0 PID: 4032 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 49.774529][ T4032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.776493][ T4032] Call trace: [ 49.777186][ T4032] dump_backtrace+0x0/0x530 [ 49.778115][ T4032] show_stack+0x2c/0x3c [ 49.778975][ T4032] dump_stack_lvl+0x108/0x170 [ 49.780057][ T4032] dump_stack+0x1c/0x58 [ 49.780948][ T4032] sysfs_create_dir_ns+0x278/0x318 [ 49.781922][ T4032] kobject_add_internal+0x384/0x8f0 [ 49.783007][ T4032] kobject_init_and_add+0x130/0x1a0 [ 49.784082][ T4032] gfs2_sys_fs_add+0x1f8/0x3f4 [ 49.785104][ T4032] gfs2_fill_super+0xe10/0x2010 [ 49.786144][ T4032] get_tree_bdev+0x360/0x54c [ 49.787131][ T4032] gfs2_get_tree+0x54/0x1b4 [ 49.788051][ T4032] vfs_get_tree+0x90/0x274 [ 49.788906][ T4032] do_new_mount+0x278/0x8fc [ 49.789851][ T4032] path_mount+0x594/0x101c [ 49.790727][ T4032] __arm64_sys_mount+0x510/0x5e0 [ 49.791694][ T4032] invoke_syscall+0x98/0x2b8 [ 49.792625][ T4032] el0_svc_common+0x138/0x258 [ 49.793600][ T4032] do_el0_svc+0x58/0x14c [ 49.794460][ T4032] el0_svc+0x7c/0x1f0 [ 49.795301][ T4032] el0t_64_sync_handler+0x84/0xe4 [ 49.796273][ T4032] el0t_64_sync+0x1a0/0x1a4 [ 49.805964][ T4032] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.808760][ T4032] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 49.882655][ T4038] loop3: detected capacity change from 0 to 32768 [ 49.893864][ T4038] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 49.895330][ T4038] CPU: 1 PID: 4038 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 49.897042][ T4038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.899085][ T4038] Call trace: [ 49.899815][ T4038] dump_backtrace+0x0/0x530 [ 49.900794][ T4038] show_stack+0x2c/0x3c [ 49.901687][ T4038] dump_stack_lvl+0x108/0x170 [ 49.902725][ T4038] dump_stack+0x1c/0x58 [ 49.903587][ T4038] sysfs_create_dir_ns+0x278/0x318 [ 49.904685][ T4038] kobject_add_internal+0x384/0x8f0 [ 49.905748][ T4038] kobject_init_and_add+0x130/0x1a0 [ 49.906820][ T4038] gfs2_sys_fs_add+0x1f8/0x3f4 [ 49.907853][ T4038] gfs2_fill_super+0xe10/0x2010 [ 49.908910][ T4038] get_tree_bdev+0x360/0x54c [ 49.909995][ T4038] gfs2_get_tree+0x54/0x1b4 [ 49.910928][ T4038] vfs_get_tree+0x90/0x274 [ 49.911871][ T4038] do_new_mount+0x278/0x8fc [ 49.912877][ T4038] path_mount+0x594/0x101c [ 49.913798][ T4038] __arm64_sys_mount+0x510/0x5e0 [ 49.914871][ T4038] invoke_syscall+0x98/0x2b8 [ 49.915853][ T4038] el0_svc_common+0x138/0x258 [ 49.916793][ T4038] do_el0_svc+0x58/0x14c [ 49.917687][ T4038] el0_svc+0x7c/0x1f0 [ 49.918543][ T4038] el0t_64_sync_handler+0x84/0xe4 [ 49.919680][ T4038] el0t_64_sync+0x1a0/0x1a4 [ 49.921753][ T4038] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 49.924829][ T4038] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 50.067198][ T4036] loop4: detected capacity change from 0 to 32768 [ 50.075785][ T4036] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 50.077401][ T4036] CPU: 0 PID: 4036 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 50.079247][ T4036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 50.081395][ T4036] Call trace: [ 50.082079][ T4036] dump_backtrace+0x0/0x530 [ 50.083052][ T4036] show_stack+0x2c/0x3c [ 50.083899][ T4036] dump_stack_lvl+0x108/0x170 [ 50.084935][ T4036] dump_stack+0x1c/0x58 [ 50.085882][ T4036] sysfs_create_dir_ns+0x278/0x318 [ 50.086952][ T4036] kobject_add_internal+0x384/0x8f0 [ 50.087942][ T4036] kobject_init_and_add+0x130/0x1a0 [ 50.089122][ T4036] gfs2_sys_fs_add+0x1f8/0x3f4 [ 50.090107][ T4036] gfs2_fill_super+0xe10/0x2010 [ 50.091203][ T4036] get_tree_bdev+0x360/0x54c [ 50.092178][ T4036] gfs2_get_tree+0x54/0x1b4 [ 50.093124][ T4036] vfs_get_tree+0x90/0x274 [ 50.094007][ T4036] do_new_mount+0x278/0x8fc [ 50.094962][ T4036] path_mount+0x594/0x101c [ 50.095857][ T4036] __arm64_sys_mount+0x510/0x5e0 [ 50.096921][ T4036] invoke_syscall+0x98/0x2b8 [ 50.097906][ T4036] el0_svc_common+0x138/0x258 [ 50.098833][ T4036] do_el0_svc+0x58/0x14c [ 50.099649][ T4036] el0_svc+0x7c/0x1f0 [ 50.100450][ T4036] el0t_64_sync_handler+0x84/0xe4 [ 50.101530][ T4036] el0t_64_sync+0x1a0/0x1a4 [ 50.106692][ T4036] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 50.109438][ T4036] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 50.185264][ T4038] loop3: detected capacity change from 0 to 32768 [ 50.219165][ T4038] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 50.221307][ T4038] CPU: 0 PID: 4038 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 50.223150][ T4038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 50.225232][ T4038] Call trace: [ 50.225944][ T4038] dump_backtrace+0x0/0x530 [ 50.226933][ T4038] show_stack+0x2c/0x3c [ 50.227809][ T4038] dump_stack_lvl+0x108/0x170 [ 50.228756][ T4038] dump_stack+0x1c/0x58 [ 50.229678][ T4038] sysfs_create_dir_ns+0x278/0x318 [ 50.230729][ T4038] kobject_add_internal+0x384/0x8f0 [ 50.231873][ T4038] kobject_init_and_add+0x130/0x1a0 [ 50.232932][ T4038] gfs2_sys_fs_add+0x1f8/0x3f4 [ 50.233923][ T4038] gfs2_fill_super+0xe10/0x2010 [ 50.234916][ T4038] get_tree_bdev+0x360/0x54c [ 50.235875][ T4038] gfs2_get_tree+0x54/0x1b4 [ 50.236781][ T4038] vfs_get_tree+0x90/0x274 [ 50.237732][ T4038] do_new_mount+0x278/0x8fc [ 50.238647][ T4038] path_mount+0x594/0x101c [ 50.239528][ T4038] __arm64_sys_mount+0x510/0x5e0 [ 50.240597][ T4038] invoke_syscall+0x98/0x2b8 [ 50.241548][ T4038] el0_svc_common+0x138/0x258 [ 50.242641][ T4038] do_el0_svc+0x58/0x14c [ 50.243560][ T4038] el0_svc+0x7c/0x1f0 [ 50.244422][ T4038] el0t_64_sync_handler+0x84/0xe4 [ 50.245532][ T4038] el0t_64_sync+0x1a0/0x1a4 [ 50.249557][ T4038] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 50.252309][ T4038] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 50.380506][ T4037] loop0: detected capacity change from 0 to 32768 [ 50.435683][ T4037] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 50.437731][ T4037] CPU: 1 PID: 4037 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 50.439612][ T4037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 50.441794][ T4037] Call trace: [ 50.442517][ T4037] dump_backtrace+0x0/0x530 [ 50.443531][ T4037] show_stack+0x2c/0x3c [ 50.444312][ T4037] dump_stack_lvl+0x108/0x170 [ 50.445308][ T4037] dump_stack+0x1c/0x58 [ 50.446086][ T4037] sysfs_create_dir_ns+0x278/0x318 [ 50.447241][ T4037] kobject_add_internal+0x384/0x8f0 [ 50.448367][ T4037] kobject_init_and_add+0x130/0x1a0 [ 50.449492][ T4037] gfs2_sys_fs_add+0x1f8/0x3f4 [ 50.450520][ T4037] gfs2_fill_super+0xe10/0x2010 [ 50.451606][ T4037] get_tree_bdev+0x360/0x54c [ 50.452597][ T4037] gfs2_get_tree+0x54/0x1b4 [ 50.453567][ T4037] vfs_get_tree+0x90/0x274 [ 50.454499][ T4037] do_new_mount+0x278/0x8fc [ 50.455438][ T4037] path_mount+0x594/0x101c [ 50.456367][ T4037] __arm64_sys_mount+0x510/0x5e0 [ 50.457397][ T4037] invoke_syscall+0x98/0x2b8 [ 50.458386][ T4037] el0_svc_common+0x138/0x258 [ 50.459287][ T4037] do_el0_svc+0x58/0x14c [ 50.460176][ T4037] el0_svc+0x7c/0x1f0 [ 50.460974][ T4037] el0t_64_sync_handler+0x84/0xe4 [ 50.462059][ T4037] el0t_64_sync+0x1a0/0x1a4 [ 50.480369][ T4040] loop4: detected capacity change from 0 to 32768 [ 50.498402][ T4037] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 50.501134][ T4037] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 50.501285][ T4039] loop1: detected capacity change from 0 to 32768 [ 50.540307][ T4039] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 50.541910][ T4039] CPU: 1 PID: 4039 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 50.543719][ T4039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 50.545716][ T4039] Call trace: [ 50.546416][ T4039] dump_backtrace+0x0/0x530 [ 50.547436][ T4039] show_stack+0x2c/0x3c [ 50.548346][ T4039] dump_stack_lvl+0x108/0x170 [ 50.549410][ T4039] dump_stack+0x1c/0x58 [ 50.550289][ T4039] sysfs_create_dir_ns+0x278/0x318 [ 50.551437][ T4039] kobject_add_internal+0x384/0x8f0 [ 50.552666][ T4039] kobject_init_and_add+0x130/0x1a0 [ 50.553837][ T4039] gfs2_sys_fs_add+0x1f8/0x3f4 [ 50.554844][ T4039] gfs2_fill_super+0xe10/0x2010 [ 50.555854][ T4039] get_tree_bdev+0x360/0x54c [ 50.556894][ T4039] gfs2_get_tree+0x54/0x1b4 [ 50.557825][ T4039] vfs_get_tree+0x90/0x274 [ 50.558806][ T4039] do_new_mount+0x278/0x8fc [ 50.559840][ T4039] path_mount+0x594/0x101c [ 50.560819][ T4039] __arm64_sys_mount+0x510/0x5e0 [ 50.561780][ T4039] invoke_syscall+0x98/0x2b8 [ 50.562760][ T4039] el0_svc_common+0x138/0x258 [ 50.563720][ T4039] do_el0_svc+0x58/0x14c [ 50.564652][ T4039] el0_svc+0x7c/0x1f0 [ 50.565532][ T4039] el0t_64_sync_handler+0x84/0xe4 [ 50.566531][ T4039] el0t_64_sync+0x1a0/0x1a4 [ 50.569442][ T4039] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 50.572209][ T4039] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 50.582569][ T4041] loop3: detected capacity change from 0 to 32768 [ 50.598237][ T4040] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 50.599933][ T4040] CPU: 1 PID: 4040 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 50.601590][ T4040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 50.603547][ T4040] Call trace: [ 50.604144][ T4040] dump_backtrace+0x0/0x530 [ 50.605014][ T4040] show_stack+0x2c/0x3c [ 50.605879][ T4040] dump_stack_lvl+0x108/0x170 [ 50.606839][ T4040] dump_stack+0x1c/0x58 [ 50.607763][ T4040] sysfs_create_dir_ns+0x278/0x318 [ 50.608849][ T4040] kobject_add_internal+0x384/0x8f0 [ 50.609914][ T4040] kobject_init_and_add+0x130/0x1a0 [ 50.611076][ T4040] gfs2_sys_fs_add+0x1f8/0x3f4 [ 50.612011][ T4040] gfs2_fill_super+0xe10/0x2010 [ 50.613075][ T4040] get_tree_bdev+0x360/0x54c [ 50.614077][ T4040] gfs2_get_tree+0x54/0x1b4 [ 50.614979][ T4040] vfs_get_tree+0x90/0x274 [ 50.615912][ T4040] do_new_mount+0x278/0x8fc [ 50.616867][ T4040] path_mount+0x594/0x101c [ 50.617856][ T4040] __arm64_sys_mount+0x510/0x5e0 [ 50.618882][ T4040] invoke_syscall+0x98/0x2b8 [ 50.619852][ T4040] el0_svc_common+0x138/0x258 [ 50.620877][ T4040] do_el0_svc+0x58/0x14c [ 50.621693][ T4040] el0_svc+0x7c/0x1f0 [ 50.622488][ T4040] el0t_64_sync_handler+0x84/0xe4 [ 50.623489][ T4040] el0t_64_sync+0x1a0/0x1a4 [ 50.626783][ T4040] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 50.630863][ T4041] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' executing program [ 50.632331][ T4041] CPU: 0 PID: 4041 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 50.634113][ T4041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 50.636245][ T4041] Call trace: [ 50.637001][ T4041] dump_backtrace+0x0/0x530 [ 50.637893][ T4041] show_stack+0x2c/0x3c [ 50.638784][ T4041] dump_stack_lvl+0x108/0x170 [ 50.639737][ T4041] dump_stack+0x1c/0x58 [ 50.640578][ T4041] sysfs_create_dir_ns+0x278/0x318 [ 50.641685][ T4041] kobject_add_internal+0x384/0x8f0 [ 50.642880][ T4041] kobject_init_and_add+0x130/0x1a0 [ 50.643912][ T4041] gfs2_sys_fs_add+0x1f8/0x3f4 [ 50.644935][ T4041] gfs2_fill_super+0xe10/0x2010 [ 50.646038][ T4041] get_tree_bdev+0x360/0x54c [ 50.647076][ T4041] gfs2_get_tree+0x54/0x1b4 [ 50.648004][ T4041] vfs_get_tree+0x90/0x274 [ 50.648980][ T4041] do_new_mount+0x278/0x8fc [ 50.650009][ T4041] path_mount+0x594/0x101c [ 50.650992][ T4041] __arm64_sys_mount+0x510/0x5e0 [ 50.652030][ T4041] invoke_syscall+0x98/0x2b8 [ 50.652970][ T4041] el0_svc_common+0x138/0x258 [ 50.653981][ T4041] do_el0_svc+0x58/0x14c [ 50.654915][ T4041] el0_svc+0x7c/0x1f0 [ 50.655725][ T4041] el0t_64_sync_handler+0x84/0xe4 [ 50.656873][ T4041] el0t_64_sync+0x1a0/0x1a4 [ 50.658627][ T4040] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 50.660117][ T4041] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 50.662834][ T4041] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 50.826984][ T4042] loop0: detected capacity change from 0 to 32768 [ 50.918959][ T4042] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 50.920657][ T4042] CPU: 1 PID: 4042 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 50.922384][ T4042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 50.924660][ T4042] Call trace: [ 50.925326][ T4042] dump_backtrace+0x0/0x530 [ 50.926326][ T4042] show_stack+0x2c/0x3c [ 50.927320][ T4042] dump_stack_lvl+0x108/0x170 [ 50.928358][ T4042] dump_stack+0x1c/0x58 [ 50.929249][ T4042] sysfs_create_dir_ns+0x278/0x318 [ 50.930299][ T4042] kobject_add_internal+0x384/0x8f0 [ 50.931310][ T4042] kobject_init_and_add+0x130/0x1a0 [ 50.932384][ T4042] gfs2_sys_fs_add+0x1f8/0x3f4 [ 50.933377][ T4042] gfs2_fill_super+0xe10/0x2010 [ 50.934368][ T4042] get_tree_bdev+0x360/0x54c [ 50.935346][ T4042] gfs2_get_tree+0x54/0x1b4 [ 50.936206][ T4042] vfs_get_tree+0x90/0x274 [ 50.937173][ T4042] do_new_mount+0x278/0x8fc [ 50.938306][ T4042] path_mount+0x594/0x101c [ 50.939238][ T4042] __arm64_sys_mount+0x510/0x5e0 [ 50.940500][ T4042] invoke_syscall+0x98/0x2b8 [ 50.941506][ T4042] el0_svc_common+0x138/0x258 [ 50.942452][ T4042] do_el0_svc+0x58/0x14c [ 50.943387][ T4042] el0_svc+0x7c/0x1f0 [ 50.944238][ T4042] el0t_64_sync_handler+0x84/0xe4 [ 50.945321][ T4042] el0t_64_sync+0x1a0/0x1a4 [ 50.978487][ T4042] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 50.981564][ T4042] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 51.042385][ T4041] loop3: detected capacity change from 0 to 32768 [ 51.138174][ T4039] loop1: detected capacity change from 0 to 32768 [ 51.168581][ T4041] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.170116][ T4041] CPU: 1 PID: 4041 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.171907][ T4041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.172420][ T4040] loop4: detected capacity change from 0 to 32768 [ 51.173948][ T4041] Call trace: [ 51.173954][ T4041] dump_backtrace+0x0/0x530 [ 51.176852][ T4041] show_stack+0x2c/0x3c [ 51.177735][ T4041] dump_stack_lvl+0x108/0x170 [ 51.178742][ T4041] dump_stack+0x1c/0x58 [ 51.179603][ T4039] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.179710][ T4041] sysfs_create_dir_ns+0x278/0x318 [ 51.182421][ T4041] kobject_add_internal+0x384/0x8f0 [ 51.183583][ T4041] kobject_init_and_add+0x130/0x1a0 [ 51.184683][ T4041] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.185684][ T4041] gfs2_fill_super+0xe10/0x2010 [ 51.186817][ T4041] get_tree_bdev+0x360/0x54c [ 51.187950][ T4041] gfs2_get_tree+0x54/0x1b4 [ 51.188918][ T4041] vfs_get_tree+0x90/0x274 [ 51.189819][ T4041] do_new_mount+0x278/0x8fc [ 51.190822][ T4041] path_mount+0x594/0x101c [ 51.191774][ T4041] __arm64_sys_mount+0x510/0x5e0 [ 51.192814][ T4041] invoke_syscall+0x98/0x2b8 [ 51.193838][ T4041] el0_svc_common+0x138/0x258 [ 51.194796][ T4041] do_el0_svc+0x58/0x14c [ 51.195706][ T4041] el0_svc+0x7c/0x1f0 [ 51.196558][ T4041] el0t_64_sync_handler+0x84/0xe4 [ 51.197573][ T4041] el0t_64_sync+0x1a0/0x1a4 [ 51.205004][ T4039] CPU: 0 PID: 4039 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.206854][ T4039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.208173][ T4041] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.208980][ T4039] Call trace: [ 51.208987][ T4039] dump_backtrace+0x0/0x530 [ 51.208999][ T4039] show_stack+0x2c/0x3c [ 51.209007][ T4039] dump_stack_lvl+0x108/0x170 [ 51.209017][ T4039] dump_stack+0x1c/0x58 [ 51.209025][ T4039] sysfs_create_dir_ns+0x278/0x318 [ 51.209035][ T4039] kobject_add_internal+0x384/0x8f0 [ 51.209047][ T4039] kobject_init_and_add+0x130/0x1a0 [ 51.209057][ T4039] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.209068][ T4039] gfs2_fill_super+0xe10/0x2010 [ 51.209077][ T4039] get_tree_bdev+0x360/0x54c [ 51.209087][ T4039] gfs2_get_tree+0x54/0x1b4 [ 51.209095][ T4039] vfs_get_tree+0x90/0x274 [ 51.209104][ T4039] do_new_mount+0x278/0x8fc [ 51.209113][ T4039] path_mount+0x594/0x101c [ 51.209121][ T4039] __arm64_sys_mount+0x510/0x5e0 [ 51.209130][ T4039] invoke_syscall+0x98/0x2b8 [ 51.209140][ T4039] el0_svc_common+0x138/0x258 [ 51.209150][ T4039] do_el0_svc+0x58/0x14c [ 51.209159][ T4039] el0_svc+0x7c/0x1f0 [ 51.209168][ T4039] el0t_64_sync_handler+0x84/0xe4 [ 51.209177][ T4039] el0t_64_sync+0x1a0/0x1a4 [ 51.218380][ T4039] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.219472][ T4041] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 51.220202][ T4039] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 51.268727][ T4040] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.270413][ T4040] CPU: 0 PID: 4040 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.272259][ T4040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.274404][ T4040] Call trace: [ 51.275091][ T4040] dump_backtrace+0x0/0x530 [ 51.276050][ T4040] show_stack+0x2c/0x3c [ 51.276988][ T4040] dump_stack_lvl+0x108/0x170 [ 51.277981][ T4040] dump_stack+0x1c/0x58 [ 51.278901][ T4040] sysfs_create_dir_ns+0x278/0x318 [ 51.279945][ T4040] kobject_add_internal+0x384/0x8f0 [ 51.281123][ T4040] kobject_init_and_add+0x130/0x1a0 [ 51.282118][ T4040] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.283101][ T4040] gfs2_fill_super+0xe10/0x2010 [ 51.284178][ T4040] get_tree_bdev+0x360/0x54c [ 51.285146][ T4040] gfs2_get_tree+0x54/0x1b4 [ 51.286074][ T4040] vfs_get_tree+0x90/0x274 [ 51.287055][ T4040] do_new_mount+0x278/0x8fc [ 51.288172][ T4040] path_mount+0x594/0x101c [ 51.289119][ T4040] __arm64_sys_mount+0x510/0x5e0 [ 51.290119][ T4040] invoke_syscall+0x98/0x2b8 [ 51.291032][ T4040] el0_svc_common+0x138/0x258 [ 51.292032][ T4040] do_el0_svc+0x58/0x14c [ 51.292988][ T4040] el0_svc+0x7c/0x1f0 [ 51.293809][ T4040] el0t_64_sync_handler+0x84/0xe4 [ 51.294827][ T4040] el0t_64_sync+0x1a0/0x1a4 [ 51.310268][ T4040] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.312934][ T4040] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 51.337044][ T4042] loop0: detected capacity change from 0 to 32768 executing program executing program [ 51.436009][ T4042] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.437617][ T4042] CPU: 0 PID: 4042 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.439359][ T4042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.441415][ T4042] Call trace: [ 51.442132][ T4042] dump_backtrace+0x0/0x530 [ 51.443051][ T4042] show_stack+0x2c/0x3c [ 51.443954][ T4042] dump_stack_lvl+0x108/0x170 [ 51.444903][ T4042] dump_stack+0x1c/0x58 [ 51.445853][ T4042] sysfs_create_dir_ns+0x278/0x318 [ 51.446995][ T4042] kobject_add_internal+0x384/0x8f0 [ 51.448130][ T4042] kobject_init_and_add+0x130/0x1a0 [ 51.449235][ T4042] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.450263][ T4042] gfs2_fill_super+0xe10/0x2010 [ 51.451313][ T4042] get_tree_bdev+0x360/0x54c [ 51.452215][ T4042] gfs2_get_tree+0x54/0x1b4 [ 51.453142][ T4042] vfs_get_tree+0x90/0x274 [ 51.453985][ T4042] do_new_mount+0x278/0x8fc [ 51.454862][ T4042] path_mount+0x594/0x101c [ 51.455728][ T4042] __arm64_sys_mount+0x510/0x5e0 [ 51.456912][ T4042] invoke_syscall+0x98/0x2b8 executing program [ 51.457911][ T4042] el0_svc_common+0x138/0x258 [ 51.458986][ T4042] do_el0_svc+0x58/0x14c [ 51.459918][ T4042] el0_svc+0x7c/0x1f0 [ 51.460810][ T4042] el0t_64_sync_handler+0x84/0xe4 [ 51.461897][ T4042] el0t_64_sync+0x1a0/0x1a4 [ 51.485630][ T4042] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.488352][ T4042] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 51.749211][ T4044] loop1: detected capacity change from 0 to 32768 [ 51.769923][ T4046] loop0: detected capacity change from 0 to 32768 [ 51.800145][ T4043] loop4: detected capacity change from 0 to 32768 [ 51.833108][ T4045] loop3: detected capacity change from 0 to 32768 [ 51.838000][ T4046] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.840030][ T4046] CPU: 1 PID: 4046 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.841861][ T4046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.843943][ T4046] Call trace: [ 51.844644][ T4046] dump_backtrace+0x0/0x530 [ 51.845578][ T4046] show_stack+0x2c/0x3c [ 51.846461][ T4046] dump_stack_lvl+0x108/0x170 [ 51.847393][ T4046] dump_stack+0x1c/0x58 [ 51.848299][ T4046] sysfs_create_dir_ns+0x278/0x318 [ 51.849435][ T4046] kobject_add_internal+0x384/0x8f0 [ 51.849910][ T4044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.850491][ T4046] kobject_init_and_add+0x130/0x1a0 [ 51.853181][ T4046] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.854121][ T4046] gfs2_fill_super+0xe10/0x2010 [ 51.855150][ T4046] get_tree_bdev+0x360/0x54c [ 51.856091][ T4046] gfs2_get_tree+0x54/0x1b4 [ 51.857064][ T4046] vfs_get_tree+0x90/0x274 [ 51.857942][ T4046] do_new_mount+0x278/0x8fc [ 51.858904][ T4046] path_mount+0x594/0x101c [ 51.859799][ T4046] __arm64_sys_mount+0x510/0x5e0 [ 51.860865][ T4046] invoke_syscall+0x98/0x2b8 [ 51.861829][ T4046] el0_svc_common+0x138/0x258 [ 51.862732][ T4046] do_el0_svc+0x58/0x14c [ 51.863645][ T4046] el0_svc+0x7c/0x1f0 [ 51.864553][ T4046] el0t_64_sync_handler+0x84/0xe4 [ 51.865623][ T4046] el0t_64_sync+0x1a0/0x1a4 [ 51.866907][ T4046] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.869717][ T4046] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 51.874077][ T4043] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.875658][ T4043] CPU: 0 PID: 4043 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.877349][ T4043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.879395][ T4043] Call trace: [ 51.880052][ T4043] dump_backtrace+0x0/0x530 [ 51.881031][ T4043] show_stack+0x2c/0x3c [ 51.881903][ T4043] dump_stack_lvl+0x108/0x170 [ 51.882942][ T4043] dump_stack+0x1c/0x58 [ 51.883841][ T4043] sysfs_create_dir_ns+0x278/0x318 [ 51.885042][ T4043] kobject_add_internal+0x384/0x8f0 [ 51.886113][ T4043] kobject_init_and_add+0x130/0x1a0 [ 51.887359][ T4043] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.888366][ T4043] gfs2_fill_super+0xe10/0x2010 [ 51.889468][ T4043] get_tree_bdev+0x360/0x54c [ 51.890515][ T4043] gfs2_get_tree+0x54/0x1b4 [ 51.891369][ T4043] vfs_get_tree+0x90/0x274 [ 51.892106][ T4043] do_new_mount+0x278/0x8fc [ 51.892860][ T4043] path_mount+0x594/0x101c [ 51.893596][ T4043] __arm64_sys_mount+0x510/0x5e0 [ 51.894432][ T4043] invoke_syscall+0x98/0x2b8 [ 51.895192][ T4043] el0_svc_common+0x138/0x258 [ 51.895971][ T4043] do_el0_svc+0x58/0x14c [ 51.896685][ T4043] el0_svc+0x7c/0x1f0 [ 51.897341][ T4043] el0t_64_sync_handler+0x84/0xe4 [ 51.898176][ T4043] el0t_64_sync+0x1a0/0x1a4 [ 51.898928][ T4044] CPU: 1 PID: 4044 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.900351][ T4044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.901986][ T4044] Call trace: [ 51.902523][ T4044] dump_backtrace+0x0/0x530 [ 51.903270][ T4044] show_stack+0x2c/0x3c [ 51.903957][ T4044] dump_stack_lvl+0x108/0x170 [ 51.904733][ T4044] dump_stack+0x1c/0x58 [ 51.905416][ T4044] sysfs_create_dir_ns+0x278/0x318 [ 51.906475][ T4044] kobject_add_internal+0x384/0x8f0 [ 51.907562][ T4044] kobject_init_and_add+0x130/0x1a0 [ 51.908671][ T4044] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.909654][ T4044] gfs2_fill_super+0xe10/0x2010 [ 51.910695][ T4044] get_tree_bdev+0x360/0x54c [ 51.911709][ T4044] gfs2_get_tree+0x54/0x1b4 [ 51.912697][ T4044] vfs_get_tree+0x90/0x274 [ 51.913609][ T4044] do_new_mount+0x278/0x8fc [ 51.914558][ T4044] path_mount+0x594/0x101c [ 51.915442][ T4044] __arm64_sys_mount+0x510/0x5e0 [ 51.916582][ T4044] invoke_syscall+0x98/0x2b8 [ 51.917513][ T4044] el0_svc_common+0x138/0x258 [ 51.918492][ T4044] do_el0_svc+0x58/0x14c [ 51.919409][ T4044] el0_svc+0x7c/0x1f0 [ 51.920308][ T4044] el0t_64_sync_handler+0x84/0xe4 [ 51.921398][ T4044] el0t_64_sync+0x1a0/0x1a4 [ 51.924701][ T4043] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.927391][ T4043] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 51.929817][ T4044] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.932761][ T4044] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 51.953523][ T4045] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 51.955260][ T4045] CPU: 1 PID: 4045 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 51.956979][ T4045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.959201][ T4045] Call trace: [ 51.960002][ T4045] dump_backtrace+0x0/0x530 [ 51.960943][ T4045] show_stack+0x2c/0x3c [ 51.961842][ T4045] dump_stack_lvl+0x108/0x170 [ 51.962902][ T4045] dump_stack+0x1c/0x58 [ 51.963766][ T4045] sysfs_create_dir_ns+0x278/0x318 [ 51.964859][ T4045] kobject_add_internal+0x384/0x8f0 [ 51.966025][ T4045] kobject_init_and_add+0x130/0x1a0 [ 51.967166][ T4045] gfs2_sys_fs_add+0x1f8/0x3f4 [ 51.968148][ T4045] gfs2_fill_super+0xe10/0x2010 [ 51.969166][ T4045] get_tree_bdev+0x360/0x54c [ 51.970137][ T4045] gfs2_get_tree+0x54/0x1b4 [ 51.971102][ T4045] vfs_get_tree+0x90/0x274 [ 51.972072][ T4045] do_new_mount+0x278/0x8fc [ 51.973073][ T4045] path_mount+0x594/0x101c [ 51.974046][ T4045] __arm64_sys_mount+0x510/0x5e0 [ 51.975091][ T4045] invoke_syscall+0x98/0x2b8 [ 51.976250][ T4045] el0_svc_common+0x138/0x258 [ 51.977376][ T4045] do_el0_svc+0x58/0x14c [ 51.978232][ T4045] el0_svc+0x7c/0x1f0 [ 51.979155][ T4045] el0t_64_sync_handler+0x84/0xe4 [ 51.980139][ T4045] el0t_64_sync+0x1a0/0x1a4 [ 51.982167][ T4045] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 51.984880][ T4045] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 52.284741][ T4046] loop0: detected capacity change from 0 to 32768 [ 52.381940][ T4043] loop4: detected capacity change from 0 to 32768 [ 52.388117][ T4044] loop1: detected capacity change from 0 to 32768 [ 52.403326][ T4046] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 52.404834][ T4046] CPU: 1 PID: 4046 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 52.406743][ T4046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 52.408881][ T4046] Call trace: [ 52.409590][ T4046] dump_backtrace+0x0/0x530 [ 52.410498][ T4046] show_stack+0x2c/0x3c [ 52.411394][ T4046] dump_stack_lvl+0x108/0x170 [ 52.412392][ T4046] dump_stack+0x1c/0x58 [ 52.413245][ T4046] sysfs_create_dir_ns+0x278/0x318 [ 52.414291][ T4046] kobject_add_internal+0x384/0x8f0 [ 52.414804][ T4045] loop3: detected capacity change from 0 to 32768 [ 52.415328][ T4046] kobject_init_and_add+0x130/0x1a0 [ 52.417846][ T4046] gfs2_sys_fs_add+0x1f8/0x3f4 [ 52.418923][ T4046] gfs2_fill_super+0xe10/0x2010 [ 52.419909][ T4046] get_tree_bdev+0x360/0x54c [ 52.420853][ T4046] gfs2_get_tree+0x54/0x1b4 [ 52.421832][ T4046] vfs_get_tree+0x90/0x274 [ 52.422711][ T4046] do_new_mount+0x278/0x8fc [ 52.423602][ T4046] path_mount+0x594/0x101c [ 52.424524][ T4046] __arm64_sys_mount+0x510/0x5e0 [ 52.425624][ T4046] invoke_syscall+0x98/0x2b8 [ 52.426620][ T4046] el0_svc_common+0x138/0x258 [ 52.427606][ T4046] do_el0_svc+0x58/0x14c [ 52.428523][ T4046] el0_svc+0x7c/0x1f0 [ 52.429392][ T4046] el0t_64_sync_handler+0x84/0xe4 [ 52.430391][ T4046] el0t_64_sync+0x1a0/0x1a4 [ 52.431769][ T4046] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 52.434530][ T4046] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 52.439786][ T4044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 52.441403][ T4044] CPU: 0 PID: 4044 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 52.443271][ T4044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 52.445510][ T4044] Call trace: [ 52.446197][ T4044] dump_backtrace+0x0/0x530 [ 52.447224][ T4044] show_stack+0x2c/0x3c [ 52.448082][ T4044] dump_stack_lvl+0x108/0x170 [ 52.449140][ T4044] dump_stack+0x1c/0x58 [ 52.450089][ T4044] sysfs_create_dir_ns+0x278/0x318 [ 52.451198][ T4044] kobject_add_internal+0x384/0x8f0 [ 52.452294][ T4044] kobject_init_and_add+0x130/0x1a0 [ 52.453456][ T4044] gfs2_sys_fs_add+0x1f8/0x3f4 [ 52.454448][ T4044] gfs2_fill_super+0xe10/0x2010 [ 52.455579][ T4044] get_tree_bdev+0x360/0x54c [ 52.456662][ T4044] gfs2_get_tree+0x54/0x1b4 [ 52.457709][ T4044] vfs_get_tree+0x90/0x274 [ 52.458681][ T4044] do_new_mount+0x278/0x8fc [ 52.459719][ T4044] path_mount+0x594/0x101c [ 52.460767][ T4044] __arm64_sys_mount+0x510/0x5e0 [ 52.461748][ T4044] invoke_syscall+0x98/0x2b8 [ 52.462739][ T4044] el0_svc_common+0x138/0x258 [ 52.463752][ T4044] do_el0_svc+0x58/0x14c [ 52.464740][ T4044] el0_svc+0x7c/0x1f0 [ 52.465604][ T4044] el0t_64_sync_handler+0x84/0xe4 [ 52.466639][ T4044] el0t_64_sync+0x1a0/0x1a4 [ 52.468419][ T4044] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 52.471215][ T4044] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 52.489103][ T4043] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 52.490628][ T4043] CPU: 1 PID: 4043 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 52.492365][ T4043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 52.494437][ T4043] Call trace: [ 52.495186][ T4043] dump_backtrace+0x0/0x530 [ 52.495802][ T4045] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 52.496152][ T4043] show_stack+0x2c/0x3c [ 52.498624][ T4043] dump_stack_lvl+0x108/0x170 [ 52.499627][ T4043] dump_stack+0x1c/0x58 [ 52.500558][ T4043] sysfs_create_dir_ns+0x278/0x318 [ 52.501643][ T4043] kobject_add_internal+0x384/0x8f0 [ 52.502704][ T4043] kobject_init_and_add+0x130/0x1a0 [ 52.503911][ T4043] gfs2_sys_fs_add+0x1f8/0x3f4 [ 52.504840][ T4043] gfs2_fill_super+0xe10/0x2010 [ 52.505927][ T4043] get_tree_bdev+0x360/0x54c [ 52.506905][ T4043] gfs2_get_tree+0x54/0x1b4 [ 52.507949][ T4043] vfs_get_tree+0x90/0x274 [ 52.509019][ T4043] do_new_mount+0x278/0x8fc [ 52.510026][ T4043] path_mount+0x594/0x101c [ 52.511001][ T4043] __arm64_sys_mount+0x510/0x5e0 [ 52.512092][ T4043] invoke_syscall+0x98/0x2b8 [ 52.513300][ T4043] el0_svc_common+0x138/0x258 [ 52.514398][ T4043] do_el0_svc+0x58/0x14c [ 52.515373][ T4043] el0_svc+0x7c/0x1f0 [ 52.516221][ T4043] el0t_64_sync_handler+0x84/0xe4 [ 52.517343][ T4043] el0t_64_sync+0x1a0/0x1a4 [ 52.518343][ T4045] CPU: 0 PID: 4045 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 52.519054][ T4043] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 52.520302][ T4045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 52.522901][ T4043] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 52.525327][ T4045] Call trace: [ 52.527377][ T4045] dump_backtrace+0x0/0x530 [ 52.528328][ T4045] show_stack+0x2c/0x3c [ 52.529251][ T4045] dump_stack_lvl+0x108/0x170 [ 52.530352][ T4045] dump_stack+0x1c/0x58 [ 52.531286][ T4045] sysfs_create_dir_ns+0x278/0x318 [ 52.532436][ T4045] kobject_add_internal+0x384/0x8f0 [ 52.533570][ T4045] kobject_init_and_add+0x130/0x1a0 [ 52.534653][ T4045] gfs2_sys_fs_add+0x1f8/0x3f4 [ 52.535640][ T4045] gfs2_fill_super+0xe10/0x2010 [ 52.536645][ T4045] get_tree_bdev+0x360/0x54c [ 52.537661][ T4045] gfs2_get_tree+0x54/0x1b4 [ 52.538556][ T4045] vfs_get_tree+0x90/0x274 [ 52.539556][ T4045] do_new_mount+0x278/0x8fc [ 52.540567][ T4045] path_mount+0x594/0x101c [ 52.541565][ T4045] __arm64_sys_mount+0x510/0x5e0 [ 52.542610][ T4045] invoke_syscall+0x98/0x2b8 [ 52.543606][ T4045] el0_svc_common+0x138/0x258 [ 52.544663][ T4045] do_el0_svc+0x58/0x14c [ 52.545588][ T4045] el0_svc+0x7c/0x1f0 [ 52.546566][ T4045] el0t_64_sync_handler+0x84/0xe4 [ 52.547691][ T4045] el0t_64_sync+0x1a0/0x1a4 [ 52.549006][ T4045] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 52.551650][ T4045] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program executing program executing program executing program [ 52.883003][ T4049] loop1: detected capacity change from 0 to 32768 [ 52.949485][ T4049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 52.951172][ T4049] CPU: 1 PID: 4049 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 52.952893][ T4049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 52.954948][ T4049] Call trace: [ 52.955679][ T4049] dump_backtrace+0x0/0x530 [ 52.956692][ T4049] show_stack+0x2c/0x3c [ 52.957515][ T4049] dump_stack_lvl+0x108/0x170 [ 52.958572][ T4049] dump_stack+0x1c/0x58 [ 52.959576][ T4049] sysfs_create_dir_ns+0x278/0x318 [ 52.960619][ T4049] kobject_add_internal+0x384/0x8f0 [ 52.961744][ T4049] kobject_init_and_add+0x130/0x1a0 [ 52.962755][ T4049] gfs2_sys_fs_add+0x1f8/0x3f4 [ 52.963777][ T4049] gfs2_fill_super+0xe10/0x2010 [ 52.964923][ T4049] get_tree_bdev+0x360/0x54c [ 52.965867][ T4049] gfs2_get_tree+0x54/0x1b4 [ 52.966843][ T4049] vfs_get_tree+0x90/0x274 [ 52.967742][ T4049] do_new_mount+0x278/0x8fc [ 52.968602][ T4049] path_mount+0x594/0x101c [ 52.969530][ T4049] __arm64_sys_mount+0x510/0x5e0 [ 52.970654][ T4049] invoke_syscall+0x98/0x2b8 [ 52.971748][ T4049] el0_svc_common+0x138/0x258 [ 52.972789][ T4049] do_el0_svc+0x58/0x14c [ 52.973646][ T4049] el0_svc+0x7c/0x1f0 [ 52.974473][ T4049] el0t_64_sync_handler+0x84/0xe4 [ 52.975543][ T4049] el0t_64_sync+0x1a0/0x1a4 [ 52.998401][ T4049] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.001122][ T4049] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 53.021430][ T4048] loop0: detected capacity change from 0 to 32768 [ 53.058595][ T4050] loop4: detected capacity change from 0 to 32768 [ 53.097841][ T4051] loop3: detected capacity change from 0 to 32768 [ 53.099597][ T4048] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 53.101160][ T4048] CPU: 0 PID: 4048 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 53.102963][ T4048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.104973][ T4048] Call trace: [ 53.105609][ T4048] dump_backtrace+0x0/0x530 [ 53.106582][ T4048] show_stack+0x2c/0x3c [ 53.107420][ T4048] dump_stack_lvl+0x108/0x170 [ 53.108440][ T4048] dump_stack+0x1c/0x58 [ 53.109299][ T4048] sysfs_create_dir_ns+0x278/0x318 [ 53.110387][ T4048] kobject_add_internal+0x384/0x8f0 [ 53.111486][ T4048] kobject_init_and_add+0x130/0x1a0 [ 53.112566][ T4048] gfs2_sys_fs_add+0x1f8/0x3f4 [ 53.113565][ T4048] gfs2_fill_super+0xe10/0x2010 [ 53.114700][ T4048] get_tree_bdev+0x360/0x54c [ 53.115692][ T4048] gfs2_get_tree+0x54/0x1b4 [ 53.116565][ T4048] vfs_get_tree+0x90/0x274 [ 53.117467][ T4048] do_new_mount+0x278/0x8fc [ 53.118493][ T4048] path_mount+0x594/0x101c [ 53.119340][ T4048] __arm64_sys_mount+0x510/0x5e0 [ 53.120395][ T4048] invoke_syscall+0x98/0x2b8 [ 53.121347][ T4048] el0_svc_common+0x138/0x258 [ 53.122454][ T4048] do_el0_svc+0x58/0x14c [ 53.123338][ T4048] el0_svc+0x7c/0x1f0 [ 53.124121][ T4048] el0t_64_sync_handler+0x84/0xe4 [ 53.125203][ T4048] el0t_64_sync+0x1a0/0x1a4 [ 53.128515][ T4048] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.130772][ T4050] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 53.133264][ T4050] CPU: 1 PID: 4050 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 53.135135][ T4050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.137136][ T4050] Call trace: [ 53.137752][ T4050] dump_backtrace+0x0/0x530 [ 53.138695][ T4050] show_stack+0x2c/0x3c [ 53.139143][ T4048] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 53.139557][ T4050] dump_stack_lvl+0x108/0x170 [ 53.141892][ T4050] dump_stack+0x1c/0x58 [ 53.142717][ T4050] sysfs_create_dir_ns+0x278/0x318 [ 53.143850][ T4050] kobject_add_internal+0x384/0x8f0 [ 53.144981][ T4050] kobject_init_and_add+0x130/0x1a0 [ 53.146195][ T4050] gfs2_sys_fs_add+0x1f8/0x3f4 [ 53.147167][ T4050] gfs2_fill_super+0xe10/0x2010 [ 53.148218][ T4050] get_tree_bdev+0x360/0x54c [ 53.149314][ T4050] gfs2_get_tree+0x54/0x1b4 [ 53.150240][ T4050] vfs_get_tree+0x90/0x274 [ 53.151224][ T4050] do_new_mount+0x278/0x8fc [ 53.152201][ T4050] path_mount+0x594/0x101c [ 53.153102][ T4050] __arm64_sys_mount+0x510/0x5e0 [ 53.154174][ T4050] invoke_syscall+0x98/0x2b8 [ 53.155222][ T4050] el0_svc_common+0x138/0x258 [ 53.156193][ T4050] do_el0_svc+0x58/0x14c [ 53.157037][ T4050] el0_svc+0x7c/0x1f0 [ 53.157885][ T4050] el0t_64_sync_handler+0x84/0xe4 [ 53.158967][ T4050] el0t_64_sync+0x1a0/0x1a4 [ 53.199965][ T4050] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.202688][ T4050] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 53.228736][ T4051] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 53.230263][ T4051] CPU: 0 PID: 4051 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 53.231923][ T4051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.233939][ T4051] Call trace: [ 53.234621][ T4051] dump_backtrace+0x0/0x530 [ 53.235508][ T4051] show_stack+0x2c/0x3c [ 53.236337][ T4051] dump_stack_lvl+0x108/0x170 [ 53.237312][ T4051] dump_stack+0x1c/0x58 [ 53.238163][ T4051] sysfs_create_dir_ns+0x278/0x318 [ 53.239377][ T4051] kobject_add_internal+0x384/0x8f0 [ 53.240557][ T4051] kobject_init_and_add+0x130/0x1a0 [ 53.241790][ T4051] gfs2_sys_fs_add+0x1f8/0x3f4 [ 53.242848][ T4051] gfs2_fill_super+0xe10/0x2010 [ 53.243943][ T4051] get_tree_bdev+0x360/0x54c [ 53.244938][ T4051] gfs2_get_tree+0x54/0x1b4 [ 53.245875][ T4051] vfs_get_tree+0x90/0x274 [ 53.246775][ T4051] do_new_mount+0x278/0x8fc [ 53.247734][ T4051] path_mount+0x594/0x101c [ 53.248607][ T4051] __arm64_sys_mount+0x510/0x5e0 [ 53.249689][ T4051] invoke_syscall+0x98/0x2b8 [ 53.250730][ T4051] el0_svc_common+0x138/0x258 [ 53.251709][ T4051] do_el0_svc+0x58/0x14c [ 53.252592][ T4051] el0_svc+0x7c/0x1f0 [ 53.253481][ T4051] el0t_64_sync_handler+0x84/0xe4 [ 53.254554][ T4051] el0t_64_sync+0x1a0/0x1a4 [ 53.300280][ T4051] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.303047][ T4051] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 53.463163][ T4048] loop0: detected capacity change from 0 to 32768 [ 53.473391][ T4048] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 53.475093][ T4048] CPU: 0 PID: 4048 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 53.476888][ T4048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.479099][ T4048] Call trace: [ 53.479801][ T4048] dump_backtrace+0x0/0x530 [ 53.480774][ T4048] show_stack+0x2c/0x3c [ 53.481590][ T4048] dump_stack_lvl+0x108/0x170 [ 53.482547][ T4048] dump_stack+0x1c/0x58 [ 53.483571][ T4048] sysfs_create_dir_ns+0x278/0x318 [ 53.484731][ T4048] kobject_add_internal+0x384/0x8f0 [ 53.485734][ T4048] kobject_init_and_add+0x130/0x1a0 [ 53.486963][ T4048] gfs2_sys_fs_add+0x1f8/0x3f4 [ 53.488000][ T4048] gfs2_fill_super+0xe10/0x2010 [ 53.489042][ T4048] get_tree_bdev+0x360/0x54c [ 53.489989][ T4048] gfs2_get_tree+0x54/0x1b4 [ 53.490925][ T4048] vfs_get_tree+0x90/0x274 [ 53.491845][ T4048] do_new_mount+0x278/0x8fc [ 53.492834][ T4048] path_mount+0x594/0x101c [ 53.493839][ T4048] __arm64_sys_mount+0x510/0x5e0 [ 53.494816][ T4048] invoke_syscall+0x98/0x2b8 [ 53.495932][ T4048] el0_svc_common+0x138/0x258 [ 53.496940][ T4048] do_el0_svc+0x58/0x14c [ 53.497833][ T4048] el0_svc+0x7c/0x1f0 [ 53.498724][ T4048] el0t_64_sync_handler+0x84/0xe4 [ 53.499801][ T4048] el0t_64_sync+0x1a0/0x1a4 [ 53.536255][ T4048] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.539006][ T4048] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 53.552825][ T4049] loop1: detected capacity change from 0 to 32768 [ 53.570181][ T4050] loop4: detected capacity change from 0 to 32768 [ 53.609154][ T4050] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 53.610671][ T4050] CPU: 1 PID: 4050 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 53.612266][ T4050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.614407][ T4050] Call trace: [ 53.615103][ T4050] dump_backtrace+0x0/0x530 [ 53.615917][ T4050] show_stack+0x2c/0x3c [ 53.616755][ T4050] dump_stack_lvl+0x108/0x170 [ 53.617666][ T4050] dump_stack+0x1c/0x58 [ 53.618570][ T4050] sysfs_create_dir_ns+0x278/0x318 [ 53.619655][ T4050] kobject_add_internal+0x384/0x8f0 [ 53.620631][ T4050] kobject_init_and_add+0x130/0x1a0 [ 53.621768][ T4050] gfs2_sys_fs_add+0x1f8/0x3f4 [ 53.622769][ T4050] gfs2_fill_super+0xe10/0x2010 [ 53.623763][ T4050] get_tree_bdev+0x360/0x54c [ 53.624681][ T4050] gfs2_get_tree+0x54/0x1b4 [ 53.625636][ T4050] vfs_get_tree+0x90/0x274 [ 53.626519][ T4050] do_new_mount+0x278/0x8fc [ 53.627458][ T4050] path_mount+0x594/0x101c [ 53.628384][ T4050] __arm64_sys_mount+0x510/0x5e0 [ 53.629416][ T4050] invoke_syscall+0x98/0x2b8 [ 53.630310][ T4050] el0_svc_common+0x138/0x258 [ 53.631344][ T4050] do_el0_svc+0x58/0x14c [ 53.632176][ T4050] el0_svc+0x7c/0x1f0 [ 53.633023][ T4050] el0t_64_sync_handler+0x84/0xe4 [ 53.633994][ T4050] el0t_64_sync+0x1a0/0x1a4 [ 53.635842][ T4050] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.653493][ T4049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 53.655146][ T4049] CPU: 1 PID: 4049 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 53.656893][ T4049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.658940][ T4049] Call trace: [ 53.659666][ T4049] dump_backtrace+0x0/0x530 [ 53.660550][ T4049] show_stack+0x2c/0x3c [ 53.661493][ T4049] dump_stack_lvl+0x108/0x170 [ 53.662546][ T4049] dump_stack+0x1c/0x58 [ 53.663378][ T4049] sysfs_create_dir_ns+0x278/0x318 [ 53.664434][ T4049] kobject_add_internal+0x384/0x8f0 [ 53.665462][ T4049] kobject_init_and_add+0x130/0x1a0 [ 53.666550][ T4049] gfs2_sys_fs_add+0x1f8/0x3f4 [ 53.667591][ T4049] gfs2_fill_super+0xe10/0x2010 [ 53.668586][ T4049] get_tree_bdev+0x360/0x54c [ 53.669558][ T4049] gfs2_get_tree+0x54/0x1b4 [ 53.670488][ T4049] vfs_get_tree+0x90/0x274 [ 53.671515][ T4049] do_new_mount+0x278/0x8fc [ 53.672458][ T4049] path_mount+0x594/0x101c [ 53.673363][ T4049] __arm64_sys_mount+0x510/0x5e0 [ 53.674391][ T4049] invoke_syscall+0x98/0x2b8 [ 53.675317][ T4049] el0_svc_common+0x138/0x258 [ 53.676335][ T4049] do_el0_svc+0x58/0x14c [ 53.677148][ T4049] el0_svc+0x7c/0x1f0 [ 53.678025][ T4049] el0t_64_sync_handler+0x84/0xe4 [ 53.679042][ T4049] el0t_64_sync+0x1a0/0x1a4 [ 53.688744][ T4050] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 53.690442][ T4051] loop3: detected capacity change from 0 to 32768 [ 53.696273][ T4049] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.699324][ T4049] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 53.731262][ T4051] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 53.732814][ T4051] CPU: 0 PID: 4051 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 53.734459][ T4051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.736744][ T4051] Call trace: [ 53.737479][ T4051] dump_backtrace+0x0/0x530 [ 53.738466][ T4051] show_stack+0x2c/0x3c [ 53.739337][ T4051] dump_stack_lvl+0x108/0x170 [ 53.740371][ T4051] dump_stack+0x1c/0x58 [ 53.741313][ T4051] sysfs_create_dir_ns+0x278/0x318 [ 53.742369][ T4051] kobject_add_internal+0x384/0x8f0 [ 53.743453][ T4051] kobject_init_and_add+0x130/0x1a0 [ 53.744509][ T4051] gfs2_sys_fs_add+0x1f8/0x3f4 [ 53.745540][ T4051] gfs2_fill_super+0xe10/0x2010 [ 53.746598][ T4051] get_tree_bdev+0x360/0x54c [ 53.747571][ T4051] gfs2_get_tree+0x54/0x1b4 [ 53.748623][ T4051] vfs_get_tree+0x90/0x274 [ 53.749488][ T4051] do_new_mount+0x278/0x8fc [ 53.750411][ T4051] path_mount+0x594/0x101c [ 53.751322][ T4051] __arm64_sys_mount+0x510/0x5e0 [ 53.752399][ T4051] invoke_syscall+0x98/0x2b8 [ 53.753405][ T4051] el0_svc_common+0x138/0x258 [ 53.754386][ T4051] do_el0_svc+0x58/0x14c [ 53.755315][ T4051] el0_svc+0x7c/0x1f0 [ 53.756160][ T4051] el0t_64_sync_handler+0x84/0xe4 [ 53.757207][ T4051] el0t_64_sync+0x1a0/0x1a4 executing program [ 53.769816][ T4051] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 53.772524][ T4051] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program executing program executing program [ 54.037098][ T4052] loop0: detected capacity change from 0 to 32768 [ 54.145309][ T4052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.147048][ T4052] CPU: 0 PID: 4052 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.148908][ T4052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.151078][ T4052] Call trace: [ 54.151810][ T4052] dump_backtrace+0x0/0x530 [ 54.152822][ T4052] show_stack+0x2c/0x3c [ 54.153728][ T4052] dump_stack_lvl+0x108/0x170 [ 54.154706][ T4052] dump_stack+0x1c/0x58 [ 54.155605][ T4052] sysfs_create_dir_ns+0x278/0x318 [ 54.156701][ T4052] kobject_add_internal+0x384/0x8f0 [ 54.157706][ T4052] kobject_init_and_add+0x130/0x1a0 [ 54.158875][ T4052] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.159810][ T4052] gfs2_fill_super+0xe10/0x2010 [ 54.160847][ T4052] get_tree_bdev+0x360/0x54c [ 54.161920][ T4052] gfs2_get_tree+0x54/0x1b4 [ 54.162948][ T4052] vfs_get_tree+0x90/0x274 [ 54.163857][ T4052] do_new_mount+0x278/0x8fc [ 54.164842][ T4052] path_mount+0x594/0x101c [ 54.165818][ T4052] __arm64_sys_mount+0x510/0x5e0 [ 54.166870][ T4052] invoke_syscall+0x98/0x2b8 [ 54.167860][ T4052] el0_svc_common+0x138/0x258 [ 54.168836][ T4052] do_el0_svc+0x58/0x14c [ 54.169703][ T4052] el0_svc+0x7c/0x1f0 [ 54.170569][ T4052] el0t_64_sync_handler+0x84/0xe4 [ 54.171580][ T4052] el0t_64_sync+0x1a0/0x1a4 [ 54.187250][ T4053] loop4: detected capacity change from 0 to 32768 [ 54.194493][ T4054] loop1: detected capacity change from 0 to 32768 [ 54.209388][ T4052] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.209548][ T4053] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.212124][ T4052] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 54.213637][ T4053] CPU: 1 PID: 4053 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.216794][ T4053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.218970][ T4053] Call trace: [ 54.219682][ T4053] dump_backtrace+0x0/0x530 [ 54.220608][ T4053] show_stack+0x2c/0x3c [ 54.221426][ T4053] dump_stack_lvl+0x108/0x170 [ 54.222450][ T4053] dump_stack+0x1c/0x58 [ 54.223372][ T4053] sysfs_create_dir_ns+0x278/0x318 [ 54.224422][ T4053] kobject_add_internal+0x384/0x8f0 [ 54.225669][ T4053] kobject_init_and_add+0x130/0x1a0 [ 54.226840][ T4053] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.227876][ T4053] gfs2_fill_super+0xe10/0x2010 [ 54.228901][ T4053] get_tree_bdev+0x360/0x54c [ 54.229859][ T4053] gfs2_get_tree+0x54/0x1b4 [ 54.230891][ T4053] vfs_get_tree+0x90/0x274 [ 54.231850][ T4053] do_new_mount+0x278/0x8fc [ 54.232849][ T4053] path_mount+0x594/0x101c [ 54.233735][ T4053] __arm64_sys_mount+0x510/0x5e0 [ 54.234841][ T4053] invoke_syscall+0x98/0x2b8 [ 54.235812][ T4053] el0_svc_common+0x138/0x258 [ 54.236852][ T4053] do_el0_svc+0x58/0x14c [ 54.237795][ T4053] el0_svc+0x7c/0x1f0 [ 54.238610][ T4053] el0t_64_sync_handler+0x84/0xe4 [ 54.239734][ T4053] el0t_64_sync+0x1a0/0x1a4 [ 54.252419][ T4054] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.254051][ T4054] CPU: 1 PID: 4054 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.255794][ T4054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.257832][ T4054] Call trace: [ 54.258473][ T4054] dump_backtrace+0x0/0x530 [ 54.259474][ T4054] show_stack+0x2c/0x3c [ 54.260394][ T4054] dump_stack_lvl+0x108/0x170 [ 54.261438][ T4054] dump_stack+0x1c/0x58 [ 54.262337][ T4054] sysfs_create_dir_ns+0x278/0x318 [ 54.263407][ T4054] kobject_add_internal+0x384/0x8f0 [ 54.264455][ T4054] kobject_init_and_add+0x130/0x1a0 [ 54.265583][ T4054] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.266638][ T4054] gfs2_fill_super+0xe10/0x2010 [ 54.267678][ T4054] get_tree_bdev+0x360/0x54c [ 54.268601][ T4054] gfs2_get_tree+0x54/0x1b4 [ 54.269574][ T4054] vfs_get_tree+0x90/0x274 [ 54.270680][ T4054] do_new_mount+0x278/0x8fc [ 54.271674][ T4054] path_mount+0x594/0x101c [ 54.272660][ T4054] __arm64_sys_mount+0x510/0x5e0 [ 54.273696][ T4054] invoke_syscall+0x98/0x2b8 [ 54.274640][ T4054] el0_svc_common+0x138/0x258 [ 54.275558][ T4054] do_el0_svc+0x58/0x14c [ 54.276527][ T4054] el0_svc+0x7c/0x1f0 [ 54.277339][ T4054] el0t_64_sync_handler+0x84/0xe4 [ 54.278297][ T4054] el0t_64_sync+0x1a0/0x1a4 [ 54.296480][ T4054] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.299493][ T4054] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 54.301529][ T4053] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.304327][ T4053] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 54.306178][ T4055] loop3: detected capacity change from 0 to 32768 [ 54.413979][ T4055] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.420995][ T4055] CPU: 1 PID: 4055 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.422837][ T4055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.425002][ T4055] Call trace: [ 54.425669][ T4055] dump_backtrace+0x0/0x530 [ 54.426671][ T4055] show_stack+0x2c/0x3c [ 54.427510][ T4055] dump_stack_lvl+0x108/0x170 [ 54.428503][ T4055] dump_stack+0x1c/0x58 [ 54.429426][ T4055] sysfs_create_dir_ns+0x278/0x318 [ 54.430459][ T4055] kobject_add_internal+0x384/0x8f0 [ 54.431600][ T4055] kobject_init_and_add+0x130/0x1a0 [ 54.432618][ T4055] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.433670][ T4055] gfs2_fill_super+0xe10/0x2010 [ 54.434708][ T4055] get_tree_bdev+0x360/0x54c [ 54.435706][ T4055] gfs2_get_tree+0x54/0x1b4 [ 54.436634][ T4055] vfs_get_tree+0x90/0x274 [ 54.437504][ T4055] do_new_mount+0x278/0x8fc [ 54.438411][ T4055] path_mount+0x594/0x101c [ 54.439367][ T4055] __arm64_sys_mount+0x510/0x5e0 [ 54.440450][ T4055] invoke_syscall+0x98/0x2b8 [ 54.441527][ T4055] el0_svc_common+0x138/0x258 [ 54.442583][ T4055] do_el0_svc+0x58/0x14c [ 54.443521][ T4055] el0_svc+0x7c/0x1f0 [ 54.444376][ T4055] el0t_64_sync_handler+0x84/0xe4 [ 54.445443][ T4055] el0t_64_sync+0x1a0/0x1a4 [ 54.463337][ T4055] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.466073][ T4055] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 54.709949][ T4052] loop0: detected capacity change from 0 to 32768 [ 54.796619][ T4052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.798142][ T4052] CPU: 1 PID: 4052 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.799978][ T4052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.802101][ T4052] Call trace: [ 54.802781][ T4052] dump_backtrace+0x0/0x530 [ 54.803778][ T4052] show_stack+0x2c/0x3c [ 54.804578][ T4052] dump_stack_lvl+0x108/0x170 [ 54.805569][ T4052] dump_stack+0x1c/0x58 [ 54.806520][ T4052] sysfs_create_dir_ns+0x278/0x318 [ 54.807599][ T4052] kobject_add_internal+0x384/0x8f0 [ 54.808718][ T4052] kobject_init_and_add+0x130/0x1a0 [ 54.809751][ T4052] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.810761][ T4052] gfs2_fill_super+0xe10/0x2010 [ 54.811822][ T4052] get_tree_bdev+0x360/0x54c [ 54.812825][ T4052] gfs2_get_tree+0x54/0x1b4 [ 54.813806][ T4052] vfs_get_tree+0x90/0x274 [ 54.814748][ T4052] do_new_mount+0x278/0x8fc [ 54.815712][ T4052] path_mount+0x594/0x101c [ 54.816690][ T4052] __arm64_sys_mount+0x510/0x5e0 [ 54.817663][ T4052] invoke_syscall+0x98/0x2b8 [ 54.818590][ T4052] el0_svc_common+0x138/0x258 [ 54.819508][ T4052] do_el0_svc+0x58/0x14c [ 54.820417][ T4052] el0_svc+0x7c/0x1f0 [ 54.821317][ T4052] el0t_64_sync_handler+0x84/0xe4 [ 54.822345][ T4052] el0t_64_sync+0x1a0/0x1a4 [ 54.843337][ T4054] loop1: detected capacity change from 0 to 32768 [ 54.850393][ T4055] loop3: detected capacity change from 0 to 32768 [ 54.854071][ T4052] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.856782][ T4052] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 54.869659][ T4054] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.871100][ T4054] CPU: 1 PID: 4054 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.872841][ T4054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.874880][ T4054] Call trace: [ 54.875492][ T4054] dump_backtrace+0x0/0x530 [ 54.876467][ T4054] show_stack+0x2c/0x3c [ 54.877321][ T4054] dump_stack_lvl+0x108/0x170 [ 54.878263][ T4054] dump_stack+0x1c/0x58 [ 54.879106][ T4054] sysfs_create_dir_ns+0x278/0x318 [ 54.880189][ T4054] kobject_add_internal+0x384/0x8f0 [ 54.881196][ T4054] kobject_init_and_add+0x130/0x1a0 [ 54.882240][ T4054] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.883275][ T4054] gfs2_fill_super+0xe10/0x2010 [ 54.884313][ T4054] get_tree_bdev+0x360/0x54c [ 54.885268][ T4054] gfs2_get_tree+0x54/0x1b4 [ 54.886253][ T4054] vfs_get_tree+0x90/0x274 [ 54.887242][ T4054] do_new_mount+0x278/0x8fc [ 54.888156][ T4054] path_mount+0x594/0x101c [ 54.889123][ T4054] __arm64_sys_mount+0x510/0x5e0 [ 54.890256][ T4054] invoke_syscall+0x98/0x2b8 [ 54.891202][ T4054] el0_svc_common+0x138/0x258 [ 54.892138][ T4054] do_el0_svc+0x58/0x14c [ 54.893056][ T4053] loop4: detected capacity change from 0 to 32768 [ 54.893086][ T4054] el0_svc+0x7c/0x1f0 [ 54.895346][ T4054] el0t_64_sync_handler+0x84/0xe4 [ 54.896415][ T4054] el0t_64_sync+0x1a0/0x1a4 [ 54.897809][ T4054] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.901258][ T4054] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 54.905755][ T4053] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.907287][ T4053] CPU: 0 PID: 4053 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.909205][ T4053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.911245][ T4053] Call trace: [ 54.911916][ T4053] dump_backtrace+0x0/0x530 [ 54.912847][ T4053] show_stack+0x2c/0x3c [ 54.913787][ T4053] dump_stack_lvl+0x108/0x170 [ 54.914728][ T4053] dump_stack+0x1c/0x58 [ 54.915680][ T4053] sysfs_create_dir_ns+0x278/0x318 [ 54.916789][ T4053] kobject_add_internal+0x384/0x8f0 [ 54.917913][ T4053] kobject_init_and_add+0x130/0x1a0 [ 54.918997][ T4053] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.920121][ T4053] gfs2_fill_super+0xe10/0x2010 [ 54.921127][ T4053] get_tree_bdev+0x360/0x54c [ 54.922145][ T4053] gfs2_get_tree+0x54/0x1b4 [ 54.923045][ T4053] vfs_get_tree+0x90/0x274 [ 54.924077][ T4053] do_new_mount+0x278/0x8fc [ 54.925004][ T4053] path_mount+0x594/0x101c [ 54.925880][ T4053] __arm64_sys_mount+0x510/0x5e0 [ 54.926844][ T4053] invoke_syscall+0x98/0x2b8 [ 54.927792][ T4053] el0_svc_common+0x138/0x258 [ 54.928736][ T4053] do_el0_svc+0x58/0x14c [ 54.929577][ T4053] el0_svc+0x7c/0x1f0 [ 54.930372][ T4053] el0t_64_sync_handler+0x84/0xe4 [ 54.931414][ T4053] el0t_64_sync+0x1a0/0x1a4 [ 54.932771][ T4053] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.935463][ T4053] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 54.939682][ T4055] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 54.941379][ T4055] CPU: 1 PID: 4055 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 54.942972][ T4055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 54.945116][ T4055] Call trace: [ 54.945842][ T4055] dump_backtrace+0x0/0x530 [ 54.946835][ T4055] show_stack+0x2c/0x3c [ 54.947769][ T4055] dump_stack_lvl+0x108/0x170 [ 54.948806][ T4055] dump_stack+0x1c/0x58 [ 54.949701][ T4055] sysfs_create_dir_ns+0x278/0x318 [ 54.950859][ T4055] kobject_add_internal+0x384/0x8f0 [ 54.952017][ T4055] kobject_init_and_add+0x130/0x1a0 [ 54.953147][ T4055] gfs2_sys_fs_add+0x1f8/0x3f4 [ 54.954152][ T4055] gfs2_fill_super+0xe10/0x2010 [ 54.955216][ T4055] get_tree_bdev+0x360/0x54c [ 54.956270][ T4055] gfs2_get_tree+0x54/0x1b4 [ 54.957212][ T4055] vfs_get_tree+0x90/0x274 [ 54.958074][ T4055] do_new_mount+0x278/0x8fc [ 54.959084][ T4055] path_mount+0x594/0x101c [ 54.960060][ T4055] __arm64_sys_mount+0x510/0x5e0 [ 54.961016][ T4055] invoke_syscall+0x98/0x2b8 [ 54.961942][ T4055] el0_svc_common+0x138/0x258 [ 54.962922][ T4055] do_el0_svc+0x58/0x14c [ 54.963777][ T4055] el0_svc+0x7c/0x1f0 [ 54.964596][ T4055] el0t_64_sync_handler+0x84/0xe4 [ 54.965665][ T4055] el0t_64_sync+0x1a0/0x1a4 [ 54.967425][ T4055] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 54.970705][ T4055] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program executing program executing program executing program [ 55.354085][ T4057] loop3: detected capacity change from 0 to 32768 [ 55.428225][ T4061] loop4: detected capacity change from 0 to 32768 [ 55.436338][ T4057] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 55.438449][ T4057] CPU: 0 PID: 4057 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 55.440265][ T4057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.442469][ T4057] Call trace: [ 55.443160][ T4057] dump_backtrace+0x0/0x530 [ 55.444038][ T4057] show_stack+0x2c/0x3c [ 55.444897][ T4057] dump_stack_lvl+0x108/0x170 [ 55.445827][ T4057] dump_stack+0x1c/0x58 [ 55.446727][ T4057] sysfs_create_dir_ns+0x278/0x318 [ 55.447766][ T4057] kobject_add_internal+0x384/0x8f0 [ 55.448947][ T4057] kobject_init_and_add+0x130/0x1a0 [ 55.449942][ T4057] gfs2_sys_fs_add+0x1f8/0x3f4 [ 55.450875][ T4057] gfs2_fill_super+0xe10/0x2010 [ 55.451811][ T4057] get_tree_bdev+0x360/0x54c [ 55.452770][ T4057] gfs2_get_tree+0x54/0x1b4 [ 55.453802][ T4057] vfs_get_tree+0x90/0x274 [ 55.454698][ T4057] do_new_mount+0x278/0x8fc [ 55.455608][ T4057] path_mount+0x594/0x101c [ 55.456495][ T4057] __arm64_sys_mount+0x510/0x5e0 [ 55.457548][ T4057] invoke_syscall+0x98/0x2b8 [ 55.458566][ T4057] el0_svc_common+0x138/0x258 [ 55.459615][ T4057] do_el0_svc+0x58/0x14c [ 55.460460][ T4057] el0_svc+0x7c/0x1f0 [ 55.461427][ T4057] el0t_64_sync_handler+0x84/0xe4 [ 55.461812][ T4060] loop0: detected capacity change from 0 to 32768 [ 55.462576][ T4057] el0t_64_sync+0x1a0/0x1a4 [ 55.466160][ T4057] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 55.468977][ T4057] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 55.499495][ T4061] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 55.501107][ T4061] CPU: 0 PID: 4061 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 55.502887][ T4061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.505069][ T4061] Call trace: [ 55.505713][ T4061] dump_backtrace+0x0/0x530 [ 55.506662][ T4061] show_stack+0x2c/0x3c [ 55.507509][ T4061] dump_stack_lvl+0x108/0x170 [ 55.508490][ T4061] dump_stack+0x1c/0x58 [ 55.509348][ T4061] sysfs_create_dir_ns+0x278/0x318 [ 55.510380][ T4061] kobject_add_internal+0x384/0x8f0 [ 55.511391][ T4061] kobject_init_and_add+0x130/0x1a0 [ 55.512470][ T4061] gfs2_sys_fs_add+0x1f8/0x3f4 [ 55.513552][ T4061] gfs2_fill_super+0xe10/0x2010 [ 55.514573][ T4061] get_tree_bdev+0x360/0x54c [ 55.514879][ T4062] loop1: detected capacity change from 0 to 32768 [ 55.515457][ T4061] gfs2_get_tree+0x54/0x1b4 [ 55.517713][ T4061] vfs_get_tree+0x90/0x274 [ 55.518638][ T4061] do_new_mount+0x278/0x8fc [ 55.519566][ T4061] path_mount+0x594/0x101c [ 55.520511][ T4061] __arm64_sys_mount+0x510/0x5e0 [ 55.521557][ T4061] invoke_syscall+0x98/0x2b8 [ 55.522557][ T4061] el0_svc_common+0x138/0x258 [ 55.523448][ T4061] do_el0_svc+0x58/0x14c [ 55.524346][ T4061] el0_svc+0x7c/0x1f0 [ 55.525172][ T4061] el0t_64_sync_handler+0x84/0xe4 [ 55.526187][ T4061] el0t_64_sync+0x1a0/0x1a4 [ 55.527573][ T4061] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 55.530301][ T4061] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 55.554951][ T4060] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 55.556488][ T4060] CPU: 1 PID: 4060 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 55.558320][ T4060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.560603][ T4060] Call trace: [ 55.561331][ T4060] dump_backtrace+0x0/0x530 [ 55.562266][ T4060] show_stack+0x2c/0x3c [ 55.563112][ T4060] dump_stack_lvl+0x108/0x170 [ 55.564132][ T4060] dump_stack+0x1c/0x58 [ 55.565018][ T4060] sysfs_create_dir_ns+0x278/0x318 [ 55.566137][ T4060] kobject_add_internal+0x384/0x8f0 [ 55.567300][ T4060] kobject_init_and_add+0x130/0x1a0 [ 55.568472][ T4060] gfs2_sys_fs_add+0x1f8/0x3f4 [ 55.569517][ T4060] gfs2_fill_super+0xe10/0x2010 [ 55.570595][ T4060] get_tree_bdev+0x360/0x54c [ 55.571495][ T4060] gfs2_get_tree+0x54/0x1b4 [ 55.572516][ T4060] vfs_get_tree+0x90/0x274 [ 55.573453][ T4060] do_new_mount+0x278/0x8fc [ 55.574403][ T4060] path_mount+0x594/0x101c [ 55.575352][ T4060] __arm64_sys_mount+0x510/0x5e0 [ 55.576443][ T4060] invoke_syscall+0x98/0x2b8 [ 55.577358][ T4060] el0_svc_common+0x138/0x258 [ 55.578423][ T4060] do_el0_svc+0x58/0x14c [ 55.579437][ T4060] el0_svc+0x7c/0x1f0 [ 55.580243][ T4060] el0t_64_sync_handler+0x84/0xe4 [ 55.581368][ T4060] el0t_64_sync+0x1a0/0x1a4 [ 55.595694][ T4060] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 55.595866][ T4062] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 55.598435][ T4060] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 55.600222][ T4062] CPU: 0 PID: 4062 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 55.602951][ T4062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.604994][ T4062] Call trace: [ 55.605610][ T4062] dump_backtrace+0x0/0x530 [ 55.606561][ T4062] show_stack+0x2c/0x3c [ 55.607385][ T4062] dump_stack_lvl+0x108/0x170 [ 55.608343][ T4062] dump_stack+0x1c/0x58 [ 55.609277][ T4062] sysfs_create_dir_ns+0x278/0x318 [ 55.610410][ T4062] kobject_add_internal+0x384/0x8f0 [ 55.611512][ T4062] kobject_init_and_add+0x130/0x1a0 [ 55.612618][ T4062] gfs2_sys_fs_add+0x1f8/0x3f4 [ 55.613654][ T4062] gfs2_fill_super+0xe10/0x2010 [ 55.614743][ T4062] get_tree_bdev+0x360/0x54c [ 55.615720][ T4062] gfs2_get_tree+0x54/0x1b4 [ 55.616792][ T4062] vfs_get_tree+0x90/0x274 [ 55.617773][ T4062] do_new_mount+0x278/0x8fc [ 55.618788][ T4062] path_mount+0x594/0x101c [ 55.619739][ T4062] __arm64_sys_mount+0x510/0x5e0 [ 55.620736][ T4062] invoke_syscall+0x98/0x2b8 [ 55.621664][ T4062] el0_svc_common+0x138/0x258 [ 55.622684][ T4062] do_el0_svc+0x58/0x14c [ 55.623466][ T4062] el0_svc+0x7c/0x1f0 [ 55.624359][ T4062] el0t_64_sync_handler+0x84/0xe4 [ 55.625517][ T4062] el0t_64_sync+0x1a0/0x1a4 [ 55.638101][ T4062] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 55.641193][ T4062] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 55.717609][ T4057] loop3: detected capacity change from 0 to 32768 [ 55.729800][ T4057] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 55.731466][ T4057] CPU: 1 PID: 4057 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 55.733207][ T4057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.735193][ T4057] Call trace: [ 55.735839][ T4057] dump_backtrace+0x0/0x530 [ 55.736793][ T4057] show_stack+0x2c/0x3c [ 55.737756][ T4057] dump_stack_lvl+0x108/0x170 [ 55.738820][ T4057] dump_stack+0x1c/0x58 [ 55.739805][ T4057] sysfs_create_dir_ns+0x278/0x318 [ 55.740927][ T4057] kobject_add_internal+0x384/0x8f0 [ 55.742018][ T4057] kobject_init_and_add+0x130/0x1a0 [ 55.743183][ T4057] gfs2_sys_fs_add+0x1f8/0x3f4 [ 55.744207][ T4057] gfs2_fill_super+0xe10/0x2010 [ 55.745212][ T4057] get_tree_bdev+0x360/0x54c [ 55.746144][ T4057] gfs2_get_tree+0x54/0x1b4 [ 55.747073][ T4057] vfs_get_tree+0x90/0x274 [ 55.748048][ T4057] do_new_mount+0x278/0x8fc [ 55.748979][ T4057] path_mount+0x594/0x101c [ 55.749885][ T4057] __arm64_sys_mount+0x510/0x5e0 [ 55.751055][ T4057] invoke_syscall+0x98/0x2b8 [ 55.752013][ T4057] el0_svc_common+0x138/0x258 [ 55.753016][ T4057] do_el0_svc+0x58/0x14c [ 55.753903][ T4057] el0_svc+0x7c/0x1f0 [ 55.754734][ T4057] el0t_64_sync_handler+0x84/0xe4 [ 55.755819][ T4057] el0t_64_sync+0x1a0/0x1a4 [ 55.759569][ T4057] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 55.762283][ T4057] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 56.062036][ T4063] loop3: detected capacity change from 0 to 32768 [ 56.133626][ T4061] loop4: detected capacity change from 0 to 32768 [ 56.135914][ T4062] loop1: detected capacity change from 0 to 32768 [ 56.138873][ T4063] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.140409][ T4063] CPU: 0 PID: 4063 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.142191][ T4063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.144354][ T4063] Call trace: [ 56.145092][ T4063] dump_backtrace+0x0/0x530 [ 56.146064][ T4063] show_stack+0x2c/0x3c [ 56.146912][ T4063] dump_stack_lvl+0x108/0x170 [ 56.147884][ T4063] dump_stack+0x1c/0x58 [ 56.148735][ T4063] sysfs_create_dir_ns+0x278/0x318 [ 56.149837][ T4063] kobject_add_internal+0x384/0x8f0 [ 56.150934][ T4063] kobject_init_and_add+0x130/0x1a0 [ 56.151852][ T4063] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.152898][ T4063] gfs2_fill_super+0xe10/0x2010 [ 56.153897][ T4063] get_tree_bdev+0x360/0x54c [ 56.154930][ T4063] gfs2_get_tree+0x54/0x1b4 [ 56.155828][ T4063] vfs_get_tree+0x90/0x274 [ 56.156791][ T4063] do_new_mount+0x278/0x8fc [ 56.157629][ T4063] path_mount+0x594/0x101c [ 56.158548][ T4063] __arm64_sys_mount+0x510/0x5e0 [ 56.159635][ T4063] invoke_syscall+0x98/0x2b8 [ 56.160642][ T4063] el0_svc_common+0x138/0x258 [ 56.161764][ T4063] do_el0_svc+0x58/0x14c [ 56.162666][ T4063] el0_svc+0x7c/0x1f0 [ 56.163495][ T4063] el0t_64_sync_handler+0x84/0xe4 [ 56.164626][ T4063] el0t_64_sync+0x1a0/0x1a4 [ 56.166748][ T4063] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.168407][ T4060] loop0: detected capacity change from 0 to 32768 [ 56.169929][ T4063] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 56.179759][ T4062] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.181300][ T4062] CPU: 0 PID: 4062 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.183057][ T4062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.185382][ T4062] Call trace: [ 56.186126][ T4062] dump_backtrace+0x0/0x530 [ 56.187130][ T4062] show_stack+0x2c/0x3c [ 56.188035][ T4062] dump_stack_lvl+0x108/0x170 [ 56.188970][ T4062] dump_stack+0x1c/0x58 [ 56.189808][ T4062] sysfs_create_dir_ns+0x278/0x318 [ 56.190933][ T4062] kobject_add_internal+0x384/0x8f0 [ 56.192058][ T4062] kobject_init_and_add+0x130/0x1a0 [ 56.193164][ T4062] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.194246][ T4062] gfs2_fill_super+0xe10/0x2010 [ 56.195317][ T4062] get_tree_bdev+0x360/0x54c [ 56.196295][ T4062] gfs2_get_tree+0x54/0x1b4 [ 56.197308][ T4062] vfs_get_tree+0x90/0x274 [ 56.198289][ T4062] do_new_mount+0x278/0x8fc [ 56.199277][ T4062] path_mount+0x594/0x101c [ 56.200246][ T4062] __arm64_sys_mount+0x510/0x5e0 [ 56.201213][ T4062] invoke_syscall+0x98/0x2b8 [ 56.202312][ T4062] el0_svc_common+0x138/0x258 [ 56.203276][ T4062] do_el0_svc+0x58/0x14c [ 56.204308][ T4062] el0_svc+0x7c/0x1f0 [ 56.205130][ T4062] el0t_64_sync_handler+0x84/0xe4 [ 56.206182][ T4062] el0t_64_sync+0x1a0/0x1a4 [ 56.209134][ T4062] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.211938][ T4062] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 56.229067][ T4060] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.230875][ T4060] CPU: 1 PID: 4060 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.232589][ T4060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.234693][ T4060] Call trace: [ 56.235355][ T4060] dump_backtrace+0x0/0x530 [ 56.236366][ T4060] show_stack+0x2c/0x3c [ 56.237242][ T4060] dump_stack_lvl+0x108/0x170 [ 56.238269][ T4060] dump_stack+0x1c/0x58 [ 56.239150][ T4060] sysfs_create_dir_ns+0x278/0x318 [ 56.240223][ T4060] kobject_add_internal+0x384/0x8f0 [ 56.241340][ T4060] kobject_init_and_add+0x130/0x1a0 [ 56.242426][ T4060] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.243438][ T4060] gfs2_fill_super+0xe10/0x2010 [ 56.244574][ T4060] get_tree_bdev+0x360/0x54c [ 56.245518][ T4060] gfs2_get_tree+0x54/0x1b4 [ 56.246609][ T4060] vfs_get_tree+0x90/0x274 [ 56.247585][ T4060] do_new_mount+0x278/0x8fc [ 56.248576][ T4060] path_mount+0x594/0x101c [ 56.249569][ T4060] __arm64_sys_mount+0x510/0x5e0 [ 56.250684][ T4060] invoke_syscall+0x98/0x2b8 [ 56.251670][ T4060] el0_svc_common+0x138/0x258 [ 56.252678][ T4060] do_el0_svc+0x58/0x14c [ 56.253616][ T4060] el0_svc+0x7c/0x1f0 [ 56.254432][ T4060] el0t_64_sync_handler+0x84/0xe4 [ 56.255487][ T4060] el0t_64_sync+0x1a0/0x1a4 [ 56.256864][ T4060] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.258556][ T4061] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.261463][ T4061] CPU: 0 PID: 4061 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.263286][ T4061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.265418][ T4061] Call trace: [ 56.266102][ T4061] dump_backtrace+0x0/0x530 [ 56.267091][ T4061] show_stack+0x2c/0x3c [ 56.267917][ T4061] dump_stack_lvl+0x108/0x170 [ 56.268926][ T4061] dump_stack+0x1c/0x58 [ 56.269790][ T4061] sysfs_create_dir_ns+0x278/0x318 [ 56.270886][ T4061] kobject_add_internal+0x384/0x8f0 [ 56.271961][ T4061] kobject_init_and_add+0x130/0x1a0 [ 56.273058][ T4061] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.274114][ T4061] gfs2_fill_super+0xe10/0x2010 [ 56.275155][ T4061] get_tree_bdev+0x360/0x54c [ 56.276122][ T4061] gfs2_get_tree+0x54/0x1b4 [ 56.277013][ T4061] vfs_get_tree+0x90/0x274 [ 56.277879][ T4061] do_new_mount+0x278/0x8fc [ 56.278557][ T4060] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 56.278866][ T4061] path_mount+0x594/0x101c [ 56.281192][ T4061] __arm64_sys_mount+0x510/0x5e0 [ 56.282227][ T4061] invoke_syscall+0x98/0x2b8 [ 56.283234][ T4061] el0_svc_common+0x138/0x258 [ 56.284267][ T4061] do_el0_svc+0x58/0x14c [ 56.285223][ T4061] el0_svc+0x7c/0x1f0 [ 56.286052][ T4061] el0t_64_sync_handler+0x84/0xe4 [ 56.287167][ T4061] el0t_64_sync+0x1a0/0x1a4 [ 56.297748][ T4061] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.301031][ T4061] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 56.387438][ T4063] loop3: detected capacity change from 0 to 32768 [ 56.402839][ T4063] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.404354][ T4063] CPU: 1 PID: 4063 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.406150][ T4063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.408074][ T4063] Call trace: [ 56.408881][ T4063] dump_backtrace+0x0/0x530 [ 56.409866][ T4063] show_stack+0x2c/0x3c [ 56.410786][ T4063] dump_stack_lvl+0x108/0x170 [ 56.411806][ T4063] dump_stack+0x1c/0x58 [ 56.412693][ T4063] sysfs_create_dir_ns+0x278/0x318 [ 56.413713][ T4063] kobject_add_internal+0x384/0x8f0 [ 56.414816][ T4063] kobject_init_and_add+0x130/0x1a0 [ 56.415888][ T4063] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.416899][ T4063] gfs2_fill_super+0xe10/0x2010 [ 56.417835][ T4063] get_tree_bdev+0x360/0x54c [ 56.418783][ T4063] gfs2_get_tree+0x54/0x1b4 [ 56.419785][ T4063] vfs_get_tree+0x90/0x274 [ 56.420718][ T4063] do_new_mount+0x278/0x8fc [ 56.421634][ T4063] path_mount+0x594/0x101c [ 56.422569][ T4063] __arm64_sys_mount+0x510/0x5e0 [ 56.423608][ T4063] invoke_syscall+0x98/0x2b8 [ 56.424632][ T4063] el0_svc_common+0x138/0x258 [ 56.425662][ T4063] do_el0_svc+0x58/0x14c [ 56.426544][ T4063] el0_svc+0x7c/0x1f0 [ 56.427378][ T4063] el0t_64_sync_handler+0x84/0xe4 [ 56.428477][ T4063] el0t_64_sync+0x1a0/0x1a4 [ 56.457218][ T4063] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.460352][ T4063] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program executing program executing program executing program [ 56.775613][ T4065] loop1: detected capacity change from 0 to 32768 [ 56.848825][ T4064] loop0: detected capacity change from 0 to 32768 [ 56.867717][ T4066] loop4: detected capacity change from 0 to 32768 [ 56.876201][ T4065] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.877755][ T4065] CPU: 0 PID: 4065 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.879506][ T4065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.881562][ T4065] Call trace: [ 56.882246][ T4065] dump_backtrace+0x0/0x530 [ 56.883241][ T4065] show_stack+0x2c/0x3c [ 56.884038][ T4065] dump_stack_lvl+0x108/0x170 [ 56.885123][ T4065] dump_stack+0x1c/0x58 [ 56.886012][ T4065] sysfs_create_dir_ns+0x278/0x318 [ 56.887194][ T4065] kobject_add_internal+0x384/0x8f0 [ 56.888407][ T4065] kobject_init_and_add+0x130/0x1a0 [ 56.889512][ T4065] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.890451][ T4065] gfs2_fill_super+0xe10/0x2010 [ 56.891428][ T4065] get_tree_bdev+0x360/0x54c [ 56.892431][ T4065] gfs2_get_tree+0x54/0x1b4 [ 56.893376][ T4065] vfs_get_tree+0x90/0x274 [ 56.894339][ T4065] do_new_mount+0x278/0x8fc [ 56.895360][ T4065] path_mount+0x594/0x101c [ 56.895393][ T4067] loop3: detected capacity change from 0 to 32768 [ 56.896295][ T4065] __arm64_sys_mount+0x510/0x5e0 [ 56.898846][ T4065] invoke_syscall+0x98/0x2b8 [ 56.899875][ T4065] el0_svc_common+0x138/0x258 [ 56.900896][ T4065] do_el0_svc+0x58/0x14c [ 56.901742][ T4065] el0_svc+0x7c/0x1f0 [ 56.902506][ T4065] el0t_64_sync_handler+0x84/0xe4 [ 56.903623][ T4065] el0t_64_sync+0x1a0/0x1a4 [ 56.905925][ T4065] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.908817][ T4065] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 56.911112][ T4064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.912675][ T4064] CPU: 0 PID: 4064 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.914393][ T4064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.916527][ T4064] Call trace: [ 56.917162][ T4064] dump_backtrace+0x0/0x530 [ 56.918114][ T4064] show_stack+0x2c/0x3c [ 56.918984][ T4064] dump_stack_lvl+0x108/0x170 [ 56.919672][ T4066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 56.920002][ T4064] dump_stack+0x1c/0x58 [ 56.922478][ T4064] sysfs_create_dir_ns+0x278/0x318 [ 56.923586][ T4064] kobject_add_internal+0x384/0x8f0 [ 56.924732][ T4064] kobject_init_and_add+0x130/0x1a0 [ 56.925906][ T4064] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.927075][ T4064] gfs2_fill_super+0xe10/0x2010 [ 56.928197][ T4064] get_tree_bdev+0x360/0x54c [ 56.929167][ T4064] gfs2_get_tree+0x54/0x1b4 [ 56.930177][ T4064] vfs_get_tree+0x90/0x274 [ 56.931098][ T4064] do_new_mount+0x278/0x8fc [ 56.932052][ T4064] path_mount+0x594/0x101c [ 56.933022][ T4064] __arm64_sys_mount+0x510/0x5e0 [ 56.934094][ T4064] invoke_syscall+0x98/0x2b8 [ 56.935122][ T4064] el0_svc_common+0x138/0x258 [ 56.936133][ T4064] do_el0_svc+0x58/0x14c [ 56.937031][ T4064] el0_svc+0x7c/0x1f0 [ 56.937788][ T4064] el0t_64_sync_handler+0x84/0xe4 [ 56.938853][ T4064] el0t_64_sync+0x1a0/0x1a4 [ 56.939868][ T4066] CPU: 1 PID: 4066 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 56.941727][ T4064] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.941759][ T4066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 56.944424][ T4064] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 56.946571][ T4066] Call trace: [ 56.948618][ T4066] dump_backtrace+0x0/0x530 [ 56.949650][ T4066] show_stack+0x2c/0x3c [ 56.950578][ T4066] dump_stack_lvl+0x108/0x170 [ 56.951571][ T4066] dump_stack+0x1c/0x58 [ 56.952431][ T4066] sysfs_create_dir_ns+0x278/0x318 [ 56.953562][ T4066] kobject_add_internal+0x384/0x8f0 [ 56.954700][ T4066] kobject_init_and_add+0x130/0x1a0 [ 56.955780][ T4066] gfs2_sys_fs_add+0x1f8/0x3f4 [ 56.956811][ T4066] gfs2_fill_super+0xe10/0x2010 [ 56.957790][ T4066] get_tree_bdev+0x360/0x54c [ 56.958798][ T4066] gfs2_get_tree+0x54/0x1b4 [ 56.959771][ T4066] vfs_get_tree+0x90/0x274 [ 56.960794][ T4066] do_new_mount+0x278/0x8fc [ 56.961826][ T4066] path_mount+0x594/0x101c [ 56.962816][ T4066] __arm64_sys_mount+0x510/0x5e0 [ 56.963930][ T4066] invoke_syscall+0x98/0x2b8 [ 56.964892][ T4066] el0_svc_common+0x138/0x258 [ 56.965941][ T4066] do_el0_svc+0x58/0x14c [ 56.966828][ T4066] el0_svc+0x7c/0x1f0 [ 56.967689][ T4066] el0t_64_sync_handler+0x84/0xe4 [ 56.968767][ T4066] el0t_64_sync+0x1a0/0x1a4 [ 56.970240][ T4066] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 56.972811][ T4066] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 56.999005][ T4067] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.000677][ T4067] CPU: 0 PID: 4067 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 57.002374][ T4067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.004414][ T4067] Call trace: [ 57.005140][ T4067] dump_backtrace+0x0/0x530 [ 57.006133][ T4067] show_stack+0x2c/0x3c [ 57.007029][ T4067] dump_stack_lvl+0x108/0x170 [ 57.008029][ T4067] dump_stack+0x1c/0x58 [ 57.008959][ T4067] sysfs_create_dir_ns+0x278/0x318 [ 57.010129][ T4067] kobject_add_internal+0x384/0x8f0 [ 57.011160][ T4067] kobject_init_and_add+0x130/0x1a0 [ 57.012284][ T4067] gfs2_sys_fs_add+0x1f8/0x3f4 [ 57.013356][ T4067] gfs2_fill_super+0xe10/0x2010 [ 57.014384][ T4067] get_tree_bdev+0x360/0x54c [ 57.015312][ T4067] gfs2_get_tree+0x54/0x1b4 [ 57.016264][ T4067] vfs_get_tree+0x90/0x274 [ 57.017221][ T4067] do_new_mount+0x278/0x8fc [ 57.018155][ T4067] path_mount+0x594/0x101c [ 57.019070][ T4067] __arm64_sys_mount+0x510/0x5e0 [ 57.020160][ T4067] invoke_syscall+0x98/0x2b8 [ 57.021166][ T4067] el0_svc_common+0x138/0x258 [ 57.022233][ T4067] do_el0_svc+0x58/0x14c [ 57.023178][ T4067] el0_svc+0x7c/0x1f0 [ 57.024065][ T4067] el0t_64_sync_handler+0x84/0xe4 [ 57.025172][ T4067] el0t_64_sync+0x1a0/0x1a4 [ 57.027000][ T4067] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.030422][ T4067] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 57.426112][ T4067] loop3: detected capacity change from 0 to 32768 [ 57.437687][ T4067] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.439568][ T4067] CPU: 0 PID: 4067 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 57.441250][ T4067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.443331][ T4067] Call trace: [ 57.443970][ T4067] dump_backtrace+0x0/0x530 [ 57.444839][ T4067] show_stack+0x2c/0x3c [ 57.445668][ T4067] dump_stack_lvl+0x108/0x170 [ 57.446645][ T4067] dump_stack+0x1c/0x58 [ 57.447575][ T4067] sysfs_create_dir_ns+0x278/0x318 [ 57.448631][ T4067] kobject_add_internal+0x384/0x8f0 [ 57.449780][ T4067] kobject_init_and_add+0x130/0x1a0 [ 57.450925][ T4067] gfs2_sys_fs_add+0x1f8/0x3f4 [ 57.451983][ T4067] gfs2_fill_super+0xe10/0x2010 [ 57.453036][ T4067] get_tree_bdev+0x360/0x54c [ 57.454060][ T4067] gfs2_get_tree+0x54/0x1b4 [ 57.455104][ T4067] vfs_get_tree+0x90/0x274 [ 57.456088][ T4067] do_new_mount+0x278/0x8fc [ 57.456997][ T4067] path_mount+0x594/0x101c [ 57.457953][ T4067] __arm64_sys_mount+0x510/0x5e0 [ 57.459215][ T4067] invoke_syscall+0x98/0x2b8 [ 57.460269][ T4067] el0_svc_common+0x138/0x258 [ 57.461314][ T4067] do_el0_svc+0x58/0x14c [ 57.462189][ T4067] el0_svc+0x7c/0x1f0 [ 57.463004][ T4067] el0t_64_sync_handler+0x84/0xe4 [ 57.464138][ T4067] el0t_64_sync+0x1a0/0x1a4 [ 57.486078][ T4065] loop1: detected capacity change from 0 to 32768 [ 57.494770][ T4067] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.497503][ T4067] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 57.500492][ T4065] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.502122][ T4065] CPU: 1 PID: 4065 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 57.504013][ T4065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.506301][ T4065] Call trace: [ 57.507054][ T4065] dump_backtrace+0x0/0x530 [ 57.507993][ T4065] show_stack+0x2c/0x3c [ 57.508999][ T4065] dump_stack_lvl+0x108/0x170 [ 57.509947][ T4065] dump_stack+0x1c/0x58 [ 57.510908][ T4065] sysfs_create_dir_ns+0x278/0x318 [ 57.511938][ T4065] kobject_add_internal+0x384/0x8f0 [ 57.513042][ T4065] kobject_init_and_add+0x130/0x1a0 [ 57.514171][ T4065] gfs2_sys_fs_add+0x1f8/0x3f4 [ 57.515230][ T4065] gfs2_fill_super+0xe10/0x2010 [ 57.516263][ T4065] get_tree_bdev+0x360/0x54c [ 57.517302][ T4065] gfs2_get_tree+0x54/0x1b4 [ 57.518215][ T4065] vfs_get_tree+0x90/0x274 [ 57.519235][ T4065] do_new_mount+0x278/0x8fc [ 57.520181][ T4065] path_mount+0x594/0x101c [ 57.520354][ T4066] loop4: detected capacity change from 0 to 32768 [ 57.521052][ T4065] __arm64_sys_mount+0x510/0x5e0 [ 57.523409][ T4065] invoke_syscall+0x98/0x2b8 [ 57.524445][ T4065] el0_svc_common+0x138/0x258 [ 57.525469][ T4065] do_el0_svc+0x58/0x14c [ 57.526375][ T4065] el0_svc+0x7c/0x1f0 [ 57.527315][ T4065] el0t_64_sync_handler+0x84/0xe4 [ 57.528417][ T4065] el0t_64_sync+0x1a0/0x1a4 [ 57.533214][ T4065] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.533738][ T4064] loop0: detected capacity change from 0 to 32768 [ 57.535976][ T4065] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 57.561020][ T4066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.562683][ T4066] CPU: 0 PID: 4066 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 57.564389][ T4066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.566418][ T4066] Call trace: [ 57.567045][ T4066] dump_backtrace+0x0/0x530 [ 57.567953][ T4066] show_stack+0x2c/0x3c [ 57.568782][ T4066] dump_stack_lvl+0x108/0x170 [ 57.569731][ T4066] dump_stack+0x1c/0x58 [ 57.570663][ T4066] sysfs_create_dir_ns+0x278/0x318 [ 57.571712][ T4066] kobject_add_internal+0x384/0x8f0 [ 57.572825][ T4066] kobject_init_and_add+0x130/0x1a0 [ 57.573933][ T4066] gfs2_sys_fs_add+0x1f8/0x3f4 [ 57.574922][ T4066] gfs2_fill_super+0xe10/0x2010 [ 57.575904][ T4066] get_tree_bdev+0x360/0x54c [ 57.576870][ T4066] gfs2_get_tree+0x54/0x1b4 [ 57.577818][ T4066] vfs_get_tree+0x90/0x274 [ 57.578650][ T4066] do_new_mount+0x278/0x8fc [ 57.579558][ T4066] path_mount+0x594/0x101c [ 57.580511][ T4066] __arm64_sys_mount+0x510/0x5e0 [ 57.581555][ T4066] invoke_syscall+0x98/0x2b8 [ 57.582478][ T4066] el0_svc_common+0x138/0x258 [ 57.583409][ T4066] do_el0_svc+0x58/0x14c [ 57.584278][ T4066] el0_svc+0x7c/0x1f0 [ 57.585140][ T4066] el0t_64_sync_handler+0x84/0xe4 [ 57.586199][ T4066] el0t_64_sync+0x1a0/0x1a4 [ 57.588511][ T4066] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.591374][ T4066] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 57.646854][ T4064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 57.648494][ T4064] CPU: 0 PID: 4064 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 57.650120][ T4064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.652140][ T4064] Call trace: [ 57.652808][ T4064] dump_backtrace+0x0/0x530 [ 57.653842][ T4064] show_stack+0x2c/0x3c [ 57.654707][ T4064] dump_stack_lvl+0x108/0x170 [ 57.655664][ T4064] dump_stack+0x1c/0x58 [ 57.656515][ T4064] sysfs_create_dir_ns+0x278/0x318 [ 57.657554][ T4064] kobject_add_internal+0x384/0x8f0 [ 57.658616][ T4064] kobject_init_and_add+0x130/0x1a0 [ 57.659832][ T4064] gfs2_sys_fs_add+0x1f8/0x3f4 [ 57.660833][ T4064] gfs2_fill_super+0xe10/0x2010 [ 57.661865][ T4064] get_tree_bdev+0x360/0x54c [ 57.662803][ T4064] gfs2_get_tree+0x54/0x1b4 [ 57.663761][ T4064] vfs_get_tree+0x90/0x274 [ 57.664715][ T4064] do_new_mount+0x278/0x8fc [ 57.665578][ T4064] path_mount+0x594/0x101c [ 57.666491][ T4064] __arm64_sys_mount+0x510/0x5e0 [ 57.667526][ T4064] invoke_syscall+0x98/0x2b8 [ 57.668534][ T4064] el0_svc_common+0x138/0x258 [ 57.669481][ T4064] do_el0_svc+0x58/0x14c [ 57.670385][ T4064] el0_svc+0x7c/0x1f0 [ 57.671205][ T4064] el0t_64_sync_handler+0x84/0xe4 [ 57.672298][ T4064] el0t_64_sync+0x1a0/0x1a4 [ 57.700127][ T4064] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 57.702833][ T4064] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program executing program executing program executing program [ 57.997906][ T4068] loop1: detected capacity change from 0 to 32768 [ 58.036915][ T4068] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.038562][ T4068] CPU: 0 PID: 4068 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.040250][ T4068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.042290][ T4068] Call trace: [ 58.042963][ T4068] dump_backtrace+0x0/0x530 [ 58.043909][ T4068] show_stack+0x2c/0x3c [ 58.044844][ T4068] dump_stack_lvl+0x108/0x170 [ 58.045821][ T4068] dump_stack+0x1c/0x58 [ 58.046635][ T4068] sysfs_create_dir_ns+0x278/0x318 [ 58.047704][ T4068] kobject_add_internal+0x384/0x8f0 [ 58.048837][ T4068] kobject_init_and_add+0x130/0x1a0 [ 58.050038][ T4068] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.051124][ T4068] gfs2_fill_super+0xe10/0x2010 [ 58.052220][ T4068] get_tree_bdev+0x360/0x54c [ 58.053135][ T4068] gfs2_get_tree+0x54/0x1b4 [ 58.054094][ T4068] vfs_get_tree+0x90/0x274 [ 58.055163][ T4068] do_new_mount+0x278/0x8fc [ 58.056107][ T4068] path_mount+0x594/0x101c [ 58.057033][ T4068] __arm64_sys_mount+0x510/0x5e0 [ 58.058064][ T4068] invoke_syscall+0x98/0x2b8 [ 58.059056][ T4068] el0_svc_common+0x138/0x258 [ 58.060085][ T4068] do_el0_svc+0x58/0x14c [ 58.061009][ T4068] el0_svc+0x7c/0x1f0 [ 58.061841][ T4068] el0t_64_sync_handler+0x84/0xe4 [ 58.063000][ T4068] el0t_64_sync+0x1a0/0x1a4 [ 58.095096][ T4068] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.097821][ T4068] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.103034][ T4069] loop3: detected capacity change from 0 to 32768 [ 58.113435][ T4069] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.115048][ T4069] CPU: 0 PID: 4069 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.116893][ T4069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.119102][ T4069] Call trace: [ 58.119703][ T4069] dump_backtrace+0x0/0x530 [ 58.120690][ T4069] show_stack+0x2c/0x3c [ 58.121617][ T4069] dump_stack_lvl+0x108/0x170 [ 58.122663][ T4069] dump_stack+0x1c/0x58 [ 58.123546][ T4069] sysfs_create_dir_ns+0x278/0x318 [ 58.124739][ T4069] kobject_add_internal+0x384/0x8f0 [ 58.125961][ T4069] kobject_init_and_add+0x130/0x1a0 [ 58.127057][ T4069] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.128096][ T4069] gfs2_fill_super+0xe10/0x2010 [ 58.129174][ T4069] get_tree_bdev+0x360/0x54c [ 58.130218][ T4069] gfs2_get_tree+0x54/0x1b4 [ 58.131189][ T4069] vfs_get_tree+0x90/0x274 [ 58.132036][ T4069] do_new_mount+0x278/0x8fc [ 58.132936][ T4069] path_mount+0x594/0x101c [ 58.133955][ T4069] __arm64_sys_mount+0x510/0x5e0 [ 58.134982][ T4069] invoke_syscall+0x98/0x2b8 [ 58.135986][ T4069] el0_svc_common+0x138/0x258 [ 58.136922][ T4069] do_el0_svc+0x58/0x14c [ 58.137748][ T4069] el0_svc+0x7c/0x1f0 [ 58.138589][ T4069] el0t_64_sync_handler+0x84/0xe4 [ 58.139646][ T4069] el0t_64_sync+0x1a0/0x1a4 [ 58.141069][ T4069] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.143880][ T4069] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.177562][ T4070] loop4: detected capacity change from 0 to 32768 [ 58.223257][ T4071] loop0: detected capacity change from 0 to 32768 [ 58.229515][ T4070] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.231352][ T4070] CPU: 1 PID: 4070 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.233040][ T4070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.235083][ T4070] Call trace: [ 58.235779][ T4070] dump_backtrace+0x0/0x530 [ 58.236722][ T4070] show_stack+0x2c/0x3c [ 58.237623][ T4070] dump_stack_lvl+0x108/0x170 [ 58.238604][ T4070] dump_stack+0x1c/0x58 [ 58.239576][ T4070] sysfs_create_dir_ns+0x278/0x318 [ 58.240766][ T4070] kobject_add_internal+0x384/0x8f0 [ 58.241933][ T4070] kobject_init_and_add+0x130/0x1a0 [ 58.243044][ T4070] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.244040][ T4070] gfs2_fill_super+0xe10/0x2010 [ 58.245017][ T4070] get_tree_bdev+0x360/0x54c [ 58.245955][ T4070] gfs2_get_tree+0x54/0x1b4 [ 58.246881][ T4070] vfs_get_tree+0x90/0x274 [ 58.247726][ T4070] do_new_mount+0x278/0x8fc [ 58.248781][ T4070] path_mount+0x594/0x101c [ 58.249690][ T4070] __arm64_sys_mount+0x510/0x5e0 [ 58.250831][ T4070] invoke_syscall+0x98/0x2b8 [ 58.251805][ T4070] el0_svc_common+0x138/0x258 [ 58.252899][ T4070] do_el0_svc+0x58/0x14c [ 58.253840][ T4070] el0_svc+0x7c/0x1f0 [ 58.254827][ T4070] el0t_64_sync_handler+0x84/0xe4 [ 58.255851][ T4070] el0t_64_sync+0x1a0/0x1a4 [ 58.288324][ T4070] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.291239][ T4070] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.298948][ T4071] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.300514][ T4071] CPU: 1 PID: 4071 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.302300][ T4071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.304479][ T4071] Call trace: [ 58.305244][ T4071] dump_backtrace+0x0/0x530 [ 58.306344][ T4071] show_stack+0x2c/0x3c [ 58.307262][ T4071] dump_stack_lvl+0x108/0x170 [ 58.308305][ T4071] dump_stack+0x1c/0x58 [ 58.309170][ T4071] sysfs_create_dir_ns+0x278/0x318 [ 58.310222][ T4071] kobject_add_internal+0x384/0x8f0 [ 58.311348][ T4071] kobject_init_and_add+0x130/0x1a0 [ 58.312343][ T4071] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.313416][ T4071] gfs2_fill_super+0xe10/0x2010 [ 58.314445][ T4071] get_tree_bdev+0x360/0x54c [ 58.315390][ T4071] gfs2_get_tree+0x54/0x1b4 [ 58.316373][ T4071] vfs_get_tree+0x90/0x274 [ 58.317327][ T4071] do_new_mount+0x278/0x8fc [ 58.318283][ T4071] path_mount+0x594/0x101c [ 58.319281][ T4071] __arm64_sys_mount+0x510/0x5e0 [ 58.320237][ T4071] invoke_syscall+0x98/0x2b8 [ 58.321183][ T4071] el0_svc_common+0x138/0x258 [ 58.322242][ T4071] do_el0_svc+0x58/0x14c [ 58.323233][ T4071] el0_svc+0x7c/0x1f0 [ 58.324161][ T4071] el0t_64_sync_handler+0x84/0xe4 [ 58.325233][ T4071] el0t_64_sync+0x1a0/0x1a4 [ 58.418414][ T4071] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.421126][ T4071] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.561803][ T4068] loop1: detected capacity change from 0 to 32768 [ 58.574303][ T4069] loop3: detected capacity change from 0 to 32768 [ 58.583407][ T4070] loop4: detected capacity change from 0 to 32768 [ 58.619189][ T4070] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.619190][ T4069] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.619208][ T4070] CPU: 1 PID: 4070 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.624126][ T4070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.626482][ T4070] Call trace: [ 58.627160][ T4070] dump_backtrace+0x0/0x530 [ 58.628135][ T4070] show_stack+0x2c/0x3c [ 58.629039][ T4070] dump_stack_lvl+0x108/0x170 [ 58.629984][ T4070] dump_stack+0x1c/0x58 [ 58.630861][ T4070] sysfs_create_dir_ns+0x278/0x318 [ 58.632109][ T4070] kobject_add_internal+0x384/0x8f0 [ 58.633170][ T4070] kobject_init_and_add+0x130/0x1a0 [ 58.634297][ T4070] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.635307][ T4070] gfs2_fill_super+0xe10/0x2010 [ 58.636355][ T4070] get_tree_bdev+0x360/0x54c [ 58.637406][ T4070] gfs2_get_tree+0x54/0x1b4 [ 58.638389][ T4070] vfs_get_tree+0x90/0x274 [ 58.639369][ T4070] do_new_mount+0x278/0x8fc [ 58.640242][ T4070] path_mount+0x594/0x101c [ 58.641096][ T4070] __arm64_sys_mount+0x510/0x5e0 [ 58.642131][ T4070] invoke_syscall+0x98/0x2b8 [ 58.643198][ T4070] el0_svc_common+0x138/0x258 [ 58.644154][ T4070] do_el0_svc+0x58/0x14c [ 58.645055][ T4070] el0_svc+0x7c/0x1f0 [ 58.645810][ T4070] el0t_64_sync_handler+0x84/0xe4 [ 58.646827][ T4070] el0t_64_sync+0x1a0/0x1a4 [ 58.647753][ T4069] CPU: 0 PID: 4069 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.649490][ T4069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.651523][ T4069] Call trace: [ 58.652179][ T4069] dump_backtrace+0x0/0x530 [ 58.653024][ T4069] show_stack+0x2c/0x3c [ 58.653852][ T4069] dump_stack_lvl+0x108/0x170 [ 58.654823][ T4069] dump_stack+0x1c/0x58 [ 58.655670][ T4069] sysfs_create_dir_ns+0x278/0x318 [ 58.656724][ T4069] kobject_add_internal+0x384/0x8f0 [ 58.657777][ T4069] kobject_init_and_add+0x130/0x1a0 [ 58.658793][ T4069] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.659733][ T4069] gfs2_fill_super+0xe10/0x2010 [ 58.660798][ T4069] get_tree_bdev+0x360/0x54c [ 58.661774][ T4069] gfs2_get_tree+0x54/0x1b4 [ 58.662716][ T4069] vfs_get_tree+0x90/0x274 [ 58.663596][ T4069] do_new_mount+0x278/0x8fc [ 58.664471][ T4069] path_mount+0x594/0x101c [ 58.665440][ T4069] __arm64_sys_mount+0x510/0x5e0 [ 58.666394][ T4069] invoke_syscall+0x98/0x2b8 [ 58.667355][ T4069] el0_svc_common+0x138/0x258 [ 58.668268][ T4069] do_el0_svc+0x58/0x14c [ 58.669160][ T4069] el0_svc+0x7c/0x1f0 [ 58.670021][ T4069] el0t_64_sync_handler+0x84/0xe4 [ 58.671086][ T4069] el0t_64_sync+0x1a0/0x1a4 [ 58.679136][ T4068] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.680686][ T4068] CPU: 0 PID: 4068 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.682368][ T4068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.684388][ T4068] Call trace: [ 58.685087][ T4068] dump_backtrace+0x0/0x530 [ 58.685941][ T4068] show_stack+0x2c/0x3c [ 58.686693][ T4068] dump_stack_lvl+0x108/0x170 [ 58.687676][ T4068] dump_stack+0x1c/0x58 [ 58.688518][ T4068] sysfs_create_dir_ns+0x278/0x318 [ 58.689587][ T4068] kobject_add_internal+0x384/0x8f0 [ 58.690702][ T4068] kobject_init_and_add+0x130/0x1a0 [ 58.691724][ T4068] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.692724][ T4068] gfs2_fill_super+0xe10/0x2010 [ 58.693740][ T4068] get_tree_bdev+0x360/0x54c [ 58.694655][ T4068] gfs2_get_tree+0x54/0x1b4 [ 58.695529][ T4068] vfs_get_tree+0x90/0x274 [ 58.696442][ T4068] do_new_mount+0x278/0x8fc [ 58.697335][ T4068] path_mount+0x594/0x101c [ 58.698261][ T4068] __arm64_sys_mount+0x510/0x5e0 [ 58.699244][ T4068] invoke_syscall+0x98/0x2b8 [ 58.700172][ T4068] el0_svc_common+0x138/0x258 [ 58.701161][ T4068] do_el0_svc+0x58/0x14c [ 58.701984][ T4068] el0_svc+0x7c/0x1f0 [ 58.702721][ T4068] el0t_64_sync_handler+0x84/0xe4 [ 58.703231][ T4070] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.703759][ T4068] el0t_64_sync+0x1a0/0x1a4 [ 58.706367][ T4070] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.712787][ T4069] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.715954][ T4069] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.718248][ T4068] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.721312][ T4068] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 58.855518][ T4071] loop0: detected capacity change from 0 to 32768 [ 58.887564][ T4071] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 58.889340][ T4071] CPU: 0 PID: 4071 Comm: syz-executor311 Not tainted 5.15.173-syzkaller #0 [ 58.891202][ T4071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 58.893260][ T4071] Call trace: [ 58.893985][ T4071] dump_backtrace+0x0/0x530 [ 58.894955][ T4071] show_stack+0x2c/0x3c [ 58.895799][ T4071] dump_stack_lvl+0x108/0x170 [ 58.896767][ T4071] dump_stack+0x1c/0x58 [ 58.897630][ T4071] sysfs_create_dir_ns+0x278/0x318 [ 58.898734][ T4071] kobject_add_internal+0x384/0x8f0 [ 58.899780][ T4071] kobject_init_and_add+0x130/0x1a0 [ 58.900963][ T4071] gfs2_sys_fs_add+0x1f8/0x3f4 [ 58.901995][ T4071] gfs2_fill_super+0xe10/0x2010 [ 58.903088][ T4071] get_tree_bdev+0x360/0x54c [ 58.904039][ T4071] gfs2_get_tree+0x54/0x1b4 [ 58.905009][ T4071] vfs_get_tree+0x90/0x274 [ 58.905968][ T4071] do_new_mount+0x278/0x8fc [ 58.906946][ T4071] path_mount+0x594/0x101c [ 58.907960][ T4071] __arm64_sys_mount+0x510/0x5e0 [ 58.908999][ T4071] invoke_syscall+0x98/0x2b8 [ 58.909989][ T4071] el0_svc_common+0x138/0x258 [ 58.910964][ T4071] do_el0_svc+0x58/0x14c [ 58.911985][ T4071] el0_svc+0x7c/0x1f0 executing program [ 58.912847][ T4071] el0t_64_sync_handler+0x84/0xe4 [ 58.913948][ T4071] el0t_64_sync+0x1a0/0x1a4 [ 58.924381][ T4071] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 58.927250][ T4071] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program executing program executing program