Warning: Permanently added '10.128.0.38' (ED25519) to the list of known hosts. executing program syzkaller login: [ 49.879928][ T4292] loop0: detected capacity change from 0 to 32768 [ 49.883057][ T4292] ======================================================= [ 49.883057][ T4292] WARNING: The mand mount option has been deprecated and [ 49.883057][ T4292] and is ignored by this kernel. Remove the mand [ 49.883057][ T4292] option from the mount to silence this warning. [ 49.883057][ T4292] ======================================================= [ 49.906161][ T4292] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 50.248268][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.451158][ T4296] loop0: detected capacity change from 0 to 32768 [ 50.462462][ T4296] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 50.806023][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.006281][ T4299] loop0: detected capacity change from 0 to 32768 [ 51.014760][ T4299] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 51.360720][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.561629][ T4302] loop0: detected capacity change from 0 to 32768 [ 51.569599][ T4302] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 51.914361][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.114529][ T4305] loop0: detected capacity change from 0 to 32768 [ 52.128645][ T4305] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 52.469315][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.693913][ T4308] loop0: detected capacity change from 0 to 32768 [ 52.732853][ T4308] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 53.072466][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.277704][ T4311] loop0: detected capacity change from 0 to 32768 [ 53.289972][ T4311] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 53.632327][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 53.833197][ T4314] loop0: detected capacity change from 0 to 32768 [ 53.841189][ T4314] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 54.181682][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.381538][ T4317] loop0: detected capacity change from 0 to 32768 [ 54.389266][ T4317] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 54.735629][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 54.939570][ T4320] loop0: detected capacity change from 0 to 32768 [ 54.948465][ T4320] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 55.291552][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 55.495158][ T4323] loop0: detected capacity change from 0 to 32768 [ 55.502646][ T4323] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 55.837961][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.040950][ T4326] loop0: detected capacity change from 0 to 32768 [ 56.049349][ T4326] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 56.380084][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 56.587540][ T4329] loop0: detected capacity change from 0 to 32768 [ 56.596873][ T4329] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 56.936546][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.145905][ T4332] loop0: detected capacity change from 0 to 32768 [ 57.154062][ T4332] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 57.494347][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 57.695812][ T4335] loop0: detected capacity change from 0 to 32768 [ 57.703296][ T4335] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 58.047100][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.251429][ T4338] loop0: detected capacity change from 0 to 32768 [ 58.260769][ T4338] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 58.602877][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 58.805525][ T4341] loop0: detected capacity change from 0 to 32768 [ 58.812907][ T4341] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 59.156360][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.361422][ T4344] loop0: detected capacity change from 0 to 32768 [ 59.369783][ T4344] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 59.373528][ T4344] [ 59.374061][ T4344] ====================================================== [ 59.375553][ T4344] WARNING: possible circular locking dependency detected [ 59.376962][ T4344] 6.1.118-syzkaller #0 Not tainted [ 59.378133][ T4344] ------------------------------------------------------ [ 59.379709][ T4344] syz-executor157/4344 is trying to acquire lock: [ 59.381015][ T4344] ffff0000d0b89488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x180/0x6b8 [ 59.383399][ T4344] [ 59.383399][ T4344] but task is already holding lock: [ 59.384929][ T4344] ffff0000e1b1b120 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x178/0x38c [ 59.387107][ T4344] [ 59.387107][ T4344] which lock already depends on the new lock. [ 59.387107][ T4344] [ 59.389283][ T4344] [ 59.389283][ T4344] the existing dependency chain (in reverse order) is: [ 59.391278][ T4344] [ 59.391278][ T4344] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 59.393319][ T4344] down_read+0x64/0x308 [ 59.394343][ T4344] ocfs2_read_virt_blocks+0x2bc/0x9f8 [ 59.395560][ T4344] ocfs2_find_entry+0x3ac/0x2620 [ 59.396677][ T4344] ocfs2_find_files_on_disk+0x130/0x468 [ 59.397953][ T4344] ocfs2_lookup_ino_from_name+0xb8/0x1d4 [ 59.399374][ T4344] ocfs2_get_system_file_inode+0x2c8/0x6b8 [ 59.400787][ T4344] ocfs2_init_global_system_inodes+0x2bc/0x618 [ 59.402196][ T4344] ocfs2_fill_super+0x278c/0x4a0c [ 59.403480][ T4344] mount_bdev+0x274/0x370 [ 59.404530][ T4344] ocfs2_mount+0x44/0x58 [ 59.405556][ T4344] legacy_get_tree+0xd4/0x16c [ 59.406693][ T4344] vfs_get_tree+0x90/0x274 [ 59.407767][ T4344] do_new_mount+0x278/0x8fc [ 59.408861][ T4344] path_mount+0x590/0xe5c [ 59.409859][ T4344] __arm64_sys_mount+0x45c/0x594 [ 59.411046][ T4344] invoke_syscall+0x98/0x2bc [ 59.412089][ T4344] el0_svc_common+0x138/0x258 [ 59.413176][ T4344] do_el0_svc+0x58/0x13c [ 59.414130][ T4344] el0_svc+0x58/0x168 [ 59.415113][ T4344] el0t_64_sync_handler+0x84/0xf0 [ 59.416321][ T4344] el0t_64_sync+0x18c/0x190 [ 59.417381][ T4344] [ 59.417381][ T4344] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 59.419319][ T4344] __lock_acquire+0x3338/0x7680 [ 59.420542][ T4344] lock_acquire+0x26c/0x7cc [ 59.421590][ T4344] __mutex_lock_common+0x190/0x21a0 [ 59.422829][ T4344] mutex_lock_nested+0x38/0x44 [ 59.423992][ T4344] ocfs2_get_system_file_inode+0x180/0x6b8 [ 59.425382][ T4344] ocfs2_reserve_local_alloc_bits+0xe4/0x25dc [ 59.426881][ T4344] ocfs2_reserve_clusters_with_limit+0x194/0xabc [ 59.428351][ T4344] ocfs2_lock_allocators+0x294/0x584 [ 59.429664][ T4344] ocfs2_write_begin_nolock+0x22fc/0x3f6c [ 59.431171][ T4344] ocfs2_write_begin+0x1ac/0x38c [ 59.432358][ T4344] generic_perform_write+0x278/0x55c [ 59.433620][ T4344] __generic_file_write_iter+0x168/0x388 [ 59.434999][ T4344] ocfs2_file_write_iter+0x15ac/0x1fbc [ 59.436336][ T4344] vfs_write+0x610/0x91c [ 59.437400][ T4344] ksys_write+0x15c/0x26c [ 59.438440][ T4344] __arm64_sys_write+0x7c/0x90 [ 59.439603][ T4344] invoke_syscall+0x98/0x2bc [ 59.440681][ T4344] el0_svc_common+0x138/0x258 [ 59.441837][ T4344] do_el0_svc+0x58/0x13c [ 59.442813][ T4344] el0_svc+0x58/0x168 [ 59.443816][ T4344] el0t_64_sync_handler+0x84/0xf0 [ 59.445142][ T4344] el0t_64_sync+0x18c/0x190 [ 59.446268][ T4344] [ 59.446268][ T4344] other info that might help us debug this: [ 59.446268][ T4344] [ 59.448535][ T4344] Possible unsafe locking scenario: [ 59.448535][ T4344] [ 59.450245][ T4344] CPU0 CPU1 [ 59.451483][ T4344] ---- ---- [ 59.452643][ T4344] lock(&ocfs2_file_ip_alloc_sem_key); [ 59.453894][ T4344] lock(&osb->system_file_mutex); [ 59.455493][ T4344] lock(&ocfs2_file_ip_alloc_sem_key); [ 59.457184][ T4344] lock(&osb->system_file_mutex); [ 59.458265][ T4344] [ 59.458265][ T4344] *** DEADLOCK *** [ 59.458265][ T4344] [ 59.459975][ T4344] 3 locks held by syz-executor157/4344: [ 59.461191][ T4344] #0: ffff0000dac0a460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x244/0x91c [ 59.463354][ T4344] #1: ffff0000e1b1b488 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x3b4/0x1fbc [ 59.465741][ T4344] #2: ffff0000e1b1b120 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x178/0x38c [ 59.468012][ T4344] [ 59.468012][ T4344] stack backtrace: [ 59.469327][ T4344] CPU: 1 PID: 4344 Comm: syz-executor157 Not tainted 6.1.118-syzkaller #0 [ 59.471162][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 59.473342][ T4344] Call trace: [ 59.474115][ T4344] dump_backtrace+0x1c8/0x1f4 [ 59.475071][ T4344] show_stack+0x2c/0x3c [ 59.475935][ T4344] dump_stack_lvl+0x108/0x170 [ 59.476952][ T4344] dump_stack+0x1c/0x5c [ 59.477743][ T4344] print_circular_bug+0x150/0x1b8 [ 59.478851][ T4344] check_noncircular+0x2cc/0x378 [ 59.479914][ T4344] __lock_acquire+0x3338/0x7680 [ 59.480965][ T4344] lock_acquire+0x26c/0x7cc [ 59.482018][ T4344] __mutex_lock_common+0x190/0x21a0 [ 59.483177][ T4344] mutex_lock_nested+0x38/0x44 [ 59.484312][ T4344] ocfs2_get_system_file_inode+0x180/0x6b8 [ 59.485567][ T4344] ocfs2_reserve_local_alloc_bits+0xe4/0x25dc [ 59.486865][ T4344] ocfs2_reserve_clusters_with_limit+0x194/0xabc [ 59.488268][ T4344] ocfs2_lock_allocators+0x294/0x584 [ 59.489458][ T4344] ocfs2_write_begin_nolock+0x22fc/0x3f6c [ 59.490803][ T4344] ocfs2_write_begin+0x1ac/0x38c [ 59.491964][ T4344] generic_perform_write+0x278/0x55c [ 59.493074][ T4344] __generic_file_write_iter+0x168/0x388 [ 59.494336][ T4344] ocfs2_file_write_iter+0x15ac/0x1fbc [ 59.495428][ T4344] vfs_write+0x610/0x91c [ 59.496316][ T4344] ksys_write+0x15c/0x26c [ 59.497281][ T4344] __arm64_sys_write+0x7c/0x90 [ 59.498293][ T4344] invoke_syscall+0x98/0x2bc [ 59.499236][ T4344] el0_svc_common+0x138/0x258 [ 59.500168][ T4344] do_el0_svc+0x58/0x13c [ 59.501072][ T4344] el0_svc+0x58/0x168 [ 59.501940][ T4344] el0t_64_sync_handler+0x84/0xf0 [ 59.503070][ T4344] el0t_64_sync+0x18c/0x190 [ 59.712360][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 59.841885][ T4347] loop0: detected capacity change from 0 to 32768 [ 59.847506][ T4347] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 60.060210][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.190272][ T4350] loop0: detected capacity change from 0 to 32768 [ 60.199101][ T4350] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 60.407602][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.541468][ T4353] loop0: detected capacity change from 0 to 32768 [ 60.550901][ T4353] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 60.766915][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 60.898261][ T4356] loop0: detected capacity change from 0 to 32768 [ 60.909432][ T4356] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 61.117570][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.254593][ T4359] loop0: detected capacity change from 0 to 32768 [ 61.264573][ T4359] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 61.475881][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.609592][ T4362] loop0: detected capacity change from 0 to 32768 [ 61.618807][ T4362] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 61.819840][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 61.950765][ T4365] loop0: detected capacity change from 0 to 32768 [ 61.960843][ T4365] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 62.171705][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.312421][ T4368] loop0: detected capacity change from 0 to 32768 [ 62.318992][ T4368] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 62.526722][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 62.658181][ T4371] loop0: detected capacity change from 0 to 32768 [ 62.666246][ T4371] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 62.880384][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.010462][ T4374] loop0: detected capacity change from 0 to 32768 [ 63.020624][ T4374] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 63.229335][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.359717][ T4377] loop0: detected capacity change from 0 to 32768 [ 63.368604][ T4377] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 63.578278][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 63.712206][ T4380] loop0: detected capacity change from 0 to 32768 [ 63.722788][ T4380] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 63.937559][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.072106][ T4383] loop0: detected capacity change from 0 to 32768 [ 64.077673][ T4383] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.293014][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.423328][ T4386] loop0: detected capacity change from 0 to 32768 [ 64.434658][ T4386] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.649419][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 64.779229][ T4389] loop0: detected capacity change from 0 to 32768 [ 64.785316][ T4389] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.995888][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.130714][ T4392] loop0: detected capacity change from 0 to 32768 [ 65.136723][ T4392] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 65.343543][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.475925][ T4395] loop0: detected capacity change from 0 to 32768 [ 65.481676][ T4395] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 65.687307][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 65.820556][ T4398] loop0: detected capacity change from 0 to 32768 [ 65.830080][ T4398] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.038874][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.168810][ T4401] loop0: detected capacity change from 0 to 32768 [ 66.175201][ T4401] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.386394][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.528396][ T4404] loop0: detected capacity change from 0 to 32768 [ 66.534089][ T4404] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 66.750152][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 66.877958][ T4407] loop0: detected capacity change from 0 to 32768 [ 66.883469][ T4407] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.093835][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.225233][ T4410] loop0: detected capacity change from 0 to 32768 [ 67.231306][ T4410] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.438156][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.568716][ T4413] loop0: detected capacity change from 0 to 32768 [ 67.573960][ T4413] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 67.780466][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 67.910066][ T4416] loop0: detected capacity change from 0 to 32768 [ 67.915517][ T4416] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.121603][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.248411][ T4419] loop0: detected capacity change from 0 to 32768 [ 68.254060][ T4419] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.459451][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.588489][ T4422] loop0: detected capacity change from 0 to 32768 [ 68.597580][ T4422] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 68.802746][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 68.933999][ T4425] loop0: detected capacity change from 0 to 32768 [ 68.942458][ T4425] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 69.153030][ T4291] ocfs2: Unmounting device (7,0) on (node local) executing program [ 69.280733][ T4428] loop0: detected capacity change from 0 to 32768 [ 69.290733][ T4428] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.