Warning: Permanently added '10.128.1.168' (ED25519) to the list of known hosts. executing program [ 33.324909][ T4297] loop0: detected capacity change from 0 to 32768 [ 33.327943][ T4297] ======================================================= [ 33.327943][ T4297] WARNING: The mand mount option has been deprecated and [ 33.327943][ T4297] and is ignored by this kernel. Remove the mand [ 33.327943][ T4297] option from the mount to silence this warning. [ 33.327943][ T4297] ======================================================= [ 33.353913][ T4297] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 33.703088][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 33.903703][ T4301] loop0: detected capacity change from 0 to 32768 [ 33.915591][ T4301] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 34.257795][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 34.462963][ T4304] loop0: detected capacity change from 0 to 32768 [ 34.471252][ T4304] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 34.808231][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 35.008788][ T4307] loop0: detected capacity change from 0 to 32768 [ 35.016430][ T4307] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 35.348299][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 35.554029][ T4310] loop0: detected capacity change from 0 to 32768 [ 35.561482][ T4310] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 35.897377][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 36.098320][ T4313] loop0: detected capacity change from 0 to 32768 [ 36.109728][ T4313] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 36.446876][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 36.652727][ T4316] loop0: detected capacity change from 0 to 32768 [ 36.661137][ T4316] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 36.999332][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 37.199085][ T4319] loop0: detected capacity change from 0 to 32768 [ 37.207595][ T4319] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 37.584389][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 37.785559][ T4322] loop0: detected capacity change from 0 to 32768 [ 37.798154][ T4322] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 38.138609][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 38.339276][ T4325] loop0: detected capacity change from 0 to 32768 [ 38.347477][ T4325] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 38.678804][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 38.883538][ T4328] loop0: detected capacity change from 0 to 32768 [ 38.900968][ T4328] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 39.249176][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 39.447902][ T4331] loop0: detected capacity change from 0 to 32768 [ 39.461091][ T4331] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 39.802176][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 40.004810][ T4334] loop0: detected capacity change from 0 to 32768 [ 40.012769][ T4334] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 40.347160][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 40.545043][ T4337] loop0: detected capacity change from 0 to 32768 [ 40.552190][ T4337] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 40.886973][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 41.089183][ T4340] loop0: detected capacity change from 0 to 32768 [ 41.098194][ T4340] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 41.428876][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 41.629371][ T4343] loop0: detected capacity change from 0 to 32768 [ 41.636845][ T4343] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 41.971766][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.170827][ T4346] loop0: detected capacity change from 0 to 32768 [ 42.183413][ T4346] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 42.518708][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 42.735735][ T4349] loop0: detected capacity change from 0 to 32768 [ 42.749002][ T4349] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 42.753147][ T4349] [ 42.753681][ T4349] ====================================================== [ 42.755234][ T4349] WARNING: possible circular locking dependency detected [ 42.756697][ T4349] 6.1.117-syzkaller #0 Not tainted [ 42.757729][ T4349] ------------------------------------------------------ [ 42.759306][ T4349] syz-executor117/4349 is trying to acquire lock: [ 42.760671][ T4349] ffff0000c74d5488 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x180/0x6b8 [ 42.763015][ T4349] [ 42.763015][ T4349] but task is already holding lock: [ 42.764582][ T4349] ffff0000e1b622e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x178/0x38c [ 42.766700][ T4349] [ 42.766700][ T4349] which lock already depends on the new lock. [ 42.766700][ T4349] [ 42.768889][ T4349] [ 42.768889][ T4349] the existing dependency chain (in reverse order) is: [ 42.770716][ T4349] [ 42.770716][ T4349] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 42.772639][ T4349] down_read+0x64/0x308 [ 42.773688][ T4349] ocfs2_read_virt_blocks+0x2bc/0x9f8 [ 42.774871][ T4349] ocfs2_find_entry+0x3ac/0x2620 [ 42.776076][ T4349] ocfs2_find_files_on_disk+0x130/0x468 [ 42.777451][ T4349] ocfs2_lookup_ino_from_name+0xb8/0x1d4 [ 42.778803][ T4349] ocfs2_get_system_file_inode+0x2c8/0x6b8 [ 42.780178][ T4349] ocfs2_init_global_system_inodes+0x2bc/0x618 [ 42.781603][ T4349] ocfs2_fill_super+0x278c/0x4a0c [ 42.782757][ T4349] mount_bdev+0x274/0x370 [ 42.783779][ T4349] ocfs2_mount+0x44/0x58 [ 42.784732][ T4349] legacy_get_tree+0xd4/0x16c [ 42.785819][ T4349] vfs_get_tree+0x90/0x274 [ 42.786927][ T4349] do_new_mount+0x278/0x8fc [ 42.787976][ T4349] path_mount+0x590/0xe5c [ 42.788940][ T4349] __arm64_sys_mount+0x45c/0x594 [ 42.790099][ T4349] invoke_syscall+0x98/0x2bc [ 42.791118][ T4349] el0_svc_common+0x138/0x258 [ 42.792156][ T4349] do_el0_svc+0x58/0x13c [ 42.793126][ T4349] el0_svc+0x58/0x168 [ 42.794037][ T4349] el0t_64_sync_handler+0x84/0xf0 [ 42.795209][ T4349] el0t_64_sync+0x18c/0x190 [ 42.796356][ T4349] [ 42.796356][ T4349] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 42.798129][ T4349] __lock_acquire+0x3338/0x7680 [ 42.799159][ T4349] lock_acquire+0x26c/0x7cc [ 42.800360][ T4349] __mutex_lock_common+0x190/0x21a0 [ 42.801633][ T4349] mutex_lock_nested+0x38/0x44 [ 42.802682][ T4349] ocfs2_get_system_file_inode+0x180/0x6b8 [ 42.804027][ T4349] ocfs2_reserve_local_alloc_bits+0xe4/0x25dc [ 42.805366][ T4349] ocfs2_reserve_clusters_with_limit+0x194/0xabc [ 42.806750][ T4349] ocfs2_lock_allocators+0x294/0x584 [ 42.807959][ T4349] ocfs2_write_begin_nolock+0x22fc/0x3f6c [ 42.809299][ T4349] ocfs2_write_begin+0x1ac/0x38c [ 42.810505][ T4349] generic_perform_write+0x278/0x55c [ 42.811844][ T4349] __generic_file_write_iter+0x168/0x388 [ 42.813198][ T4349] ocfs2_file_write_iter+0x15ac/0x1fbc [ 42.814435][ T4349] vfs_write+0x610/0x91c [ 42.815569][ T4349] ksys_write+0x15c/0x26c [ 42.816552][ T4349] __arm64_sys_write+0x7c/0x90 [ 42.817659][ T4349] invoke_syscall+0x98/0x2bc [ 42.818794][ T4349] el0_svc_common+0x138/0x258 [ 42.819916][ T4349] do_el0_svc+0x58/0x13c [ 42.820948][ T4349] el0_svc+0x58/0x168 [ 42.821956][ T4349] el0t_64_sync_handler+0x84/0xf0 [ 42.823148][ T4349] el0t_64_sync+0x18c/0x190 [ 42.824230][ T4349] [ 42.824230][ T4349] other info that might help us debug this: [ 42.824230][ T4349] [ 42.826459][ T4349] Possible unsafe locking scenario: [ 42.826459][ T4349] [ 42.828122][ T4349] CPU0 CPU1 [ 42.829282][ T4349] ---- ---- [ 42.830433][ T4349] lock(&ocfs2_file_ip_alloc_sem_key); [ 42.831555][ T4349] lock(&osb->system_file_mutex); [ 42.833102][ T4349] lock(&ocfs2_file_ip_alloc_sem_key); [ 42.834948][ T4349] lock(&osb->system_file_mutex); [ 42.835990][ T4349] [ 42.835990][ T4349] *** DEADLOCK *** [ 42.835990][ T4349] [ 42.837740][ T4349] 3 locks held by syz-executor117/4349: [ 42.838987][ T4349] #0: ffff0000d9da8460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x244/0x91c [ 42.840898][ T4349] #1: ffff0000e1b62648 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x3b4/0x1fbc [ 42.843273][ T4349] #2: ffff0000e1b622e0 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_write_begin+0x178/0x38c [ 42.845671][ T4349] [ 42.845671][ T4349] stack backtrace: [ 42.846906][ T4349] CPU: 1 PID: 4349 Comm: syz-executor117 Not tainted 6.1.117-syzkaller #0 [ 42.848651][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 42.850851][ T4349] Call trace: [ 42.851593][ T4349] dump_backtrace+0x1c8/0x1f4 [ 42.852624][ T4349] show_stack+0x2c/0x3c [ 42.853544][ T4349] dump_stack_lvl+0x108/0x170 [ 42.854461][ T4349] dump_stack+0x1c/0x58 [ 42.855418][ T4349] print_circular_bug+0x150/0x1b8 [ 42.856485][ T4349] check_noncircular+0x2cc/0x378 [ 42.857614][ T4349] __lock_acquire+0x3338/0x7680 [ 42.858672][ T4349] lock_acquire+0x26c/0x7cc [ 42.859683][ T4349] __mutex_lock_common+0x190/0x21a0 [ 42.860734][ T4349] mutex_lock_nested+0x38/0x44 [ 42.861810][ T4349] ocfs2_get_system_file_inode+0x180/0x6b8 [ 42.863093][ T4349] ocfs2_reserve_local_alloc_bits+0xe4/0x25dc [ 42.864327][ T4349] ocfs2_reserve_clusters_with_limit+0x194/0xabc [ 42.865696][ T4349] ocfs2_lock_allocators+0x294/0x584 [ 42.866767][ T4349] ocfs2_write_begin_nolock+0x22fc/0x3f6c [ 42.868071][ T4349] ocfs2_write_begin+0x1ac/0x38c [ 42.869123][ T4349] generic_perform_write+0x278/0x55c [ 42.870280][ T4349] __generic_file_write_iter+0x168/0x388 [ 42.871394][ T4349] ocfs2_file_write_iter+0x15ac/0x1fbc [ 42.872500][ T4349] vfs_write+0x610/0x91c [ 42.873344][ T4349] ksys_write+0x15c/0x26c [ 42.874259][ T4349] __arm64_sys_write+0x7c/0x90 [ 42.875227][ T4349] invoke_syscall+0x98/0x2bc [ 42.876160][ T4349] el0_svc_common+0x138/0x258 [ 42.877134][ T4349] do_el0_svc+0x58/0x13c [ 42.878039][ T4349] el0_svc+0x58/0x168 [ 42.878900][ T4349] el0t_64_sync_handler+0x84/0xf0 [ 42.879973][ T4349] el0t_64_sync+0x18c/0x190 [ 43.089038][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.217238][ T4352] loop0: detected capacity change from 0 to 32768 [ 43.222759][ T4352] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 43.428542][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.561855][ T4355] loop0: detected capacity change from 0 to 32768 [ 43.567317][ T4355] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 43.771110][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 43.900265][ T4358] loop0: detected capacity change from 0 to 32768 [ 43.906271][ T4358] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 44.116566][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.243488][ T4361] loop0: detected capacity change from 0 to 32768 [ 44.249146][ T4361] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 44.460194][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.589295][ T4364] loop0: detected capacity change from 0 to 32768 [ 44.594908][ T4364] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 44.805703][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 44.938838][ T4367] loop0: detected capacity change from 0 to 32768 [ 44.944180][ T4367] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 45.152356][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.281132][ T4370] loop0: detected capacity change from 0 to 32768 [ 45.295676][ T4370] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 45.504837][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.635188][ T4373] loop0: detected capacity change from 0 to 32768 [ 45.644598][ T4373] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 45.847941][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 45.980421][ T4376] loop0: detected capacity change from 0 to 32768 [ 45.986208][ T4376] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 46.197881][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.326808][ T4379] loop0: detected capacity change from 0 to 32768 [ 46.332444][ T4379] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 46.540475][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 46.674811][ T4382] loop0: detected capacity change from 0 to 32768 [ 46.680935][ T4382] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 46.890761][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.019247][ T4385] loop0: detected capacity change from 0 to 32768 [ 47.025294][ T4385] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 47.230006][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.357750][ T4388] loop0: detected capacity change from 0 to 32768 [ 47.363415][ T4388] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 47.569462][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 47.698652][ T4391] loop0: detected capacity change from 0 to 32768 [ 47.704506][ T4391] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 47.914363][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.041745][ T4394] loop0: detected capacity change from 0 to 32768 [ 48.047592][ T4394] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 48.257996][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.390568][ T4397] loop0: detected capacity change from 0 to 32768 [ 48.396994][ T4397] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 48.608124][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 48.740875][ T4400] loop0: detected capacity change from 0 to 32768 [ 48.747090][ T4400] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 48.958264][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.088838][ T4403] loop0: detected capacity change from 0 to 32768 [ 49.094483][ T4403] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 49.296113][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.423287][ T4406] loop0: detected capacity change from 0 to 32768 [ 49.429034][ T4406] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 49.628495][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 49.759126][ T4409] loop0: detected capacity change from 0 to 32768 [ 49.770005][ T4409] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 49.979961][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.113586][ T4412] loop0: detected capacity change from 0 to 32768 [ 50.122310][ T4412] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 50.328238][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.456200][ T4415] loop0: detected capacity change from 0 to 32768 [ 50.465154][ T4415] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 50.674417][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 50.804959][ T4418] loop0: detected capacity change from 0 to 32768 [ 50.810566][ T4418] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 51.010113][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.141814][ T4421] loop0: detected capacity change from 0 to 32768 [ 51.147816][ T4421] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 51.354438][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.483080][ T4424] loop0: detected capacity change from 0 to 32768 [ 51.488961][ T4424] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 51.693624][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 51.823186][ T4427] loop0: detected capacity change from 0 to 32768 [ 51.829274][ T4427] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 52.038216][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.165131][ T4430] loop0: detected capacity change from 0 to 32768 [ 52.170798][ T4430] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 52.380447][ T4296] ocfs2: Unmounting device (7,0) on (node local) executing program [ 52.511062][ T4433] loop0: detected capacity change from 0 to 32768 [ 52.517279][ T4433] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 52.726049][ T4296] ocfs2: Unmounting device (7,0) on (node local)