Warning: Permanently added '10.128.0.156' (ED25519) to the list of known hosts. executing program [ 35.105414][ T4294] loop0: detected capacity change from 0 to 32768 [ 35.110706][ T4294] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 35.113294][ T4294] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 35.126749][ T4294] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 35.131286][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 35.133688][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 35.159309][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 25ms [ 35.161775][ T22] gfs2: fsid=syz:syz.0: jid=0: Done [ 35.163732][ T4294] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 35.352155][ T4294] ------------[ cut here ]------------ [ 35.353857][ T4294] WARNING: CPU: 1 PID: 4294 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 35.356561][ T4294] Modules linked in: [ 35.357621][ T4294] CPU: 1 PID: 4294 Comm: syz-executor427 Not tainted 6.1.141-syzkaller #0 [ 35.359923][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 35.362567][ T4294] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.364706][ T4294] pc : __folio_mark_dirty+0x8a0/0xce0 [ 35.366153][ T4294] lr : __folio_mark_dirty+0x8a0/0xce0 [ 35.367606][ T4294] sp : ffff8000206a7700 [ 35.368735][ T4294] x29: ffff8000206a7720 x28: 1fffff80006de070 x27: dfff800000000000 [ 35.370903][ T4294] x26: 0000000000000000 x25: ffff0000c054be90 x24: 0000000000000001 [ 35.373041][ T4294] x23: 0000000000000000 x22: fffffc00036f0388 x21: 1fffe000180a97d2 [ 35.375197][ T4294] x20: ffff0000c4eaa250 x19: fffffc00036f0380 x18: 0000000000000000 [ 35.377361][ T4294] x17: ffff8000181a1000 x16: ffff8000082d0750 x15: ffff800017c81fc0 [ 35.379506][ T4294] x14: ffff0000d4b72658 x13: ffff0000d4b726d0 x12: 0000000000ff0100 [ 35.381666][ T4294] x11: ff008000086fa924 x10: 0000000000000000 x9 : ffff8000086fa924 [ 35.383909][ T4294] x8 : ffff0000d4b71bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 35.386104][ T4294] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a45288 [ 35.388297][ T4294] x2 : ffff0000ce4f0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 35.390437][ T4294] Call trace: [ 35.391311][ T4294] __folio_mark_dirty+0x8a0/0xce0 [ 35.392674][ T4294] mark_buffer_dirty+0x2b8/0x5cc [ 35.394001][ T4294] gfs2_unpin+0x120/0x914 [ 35.395186][ T4294] buf_lo_after_commit+0x140/0x188 [ 35.396550][ T4294] gfs2_log_flush+0xbc8/0x1aa0 [ 35.397844][ T4294] gfs2_kill_sb+0x5c/0xd4 [ 35.399000][ T4294] deactivate_locked_super+0xac/0x124 [ 35.400462][ T4294] deactivate_super+0xe8/0x108 [ 35.401762][ T4294] cleanup_mnt+0x37c/0x404 [ 35.402967][ T4294] __cleanup_mnt+0x20/0x30 [ 35.404154][ T4294] task_work_run+0x1ec/0x270 [ 35.405387][ T4294] do_exit+0x544/0x19a8 [ 35.406536][ T4294] do_group_exit+0x194/0x22c [ 35.407776][ T4294] __wake_up_parent+0x0/0x60 [ 35.408994][ T4294] invoke_syscall+0x98/0x2bc [ 35.410256][ T4294] el0_svc_common+0x138/0x258 [ 35.411512][ T4294] do_el0_svc+0x58/0x13c [ 35.412684][ T4294] el0_svc+0x58/0x138 [ 35.413755][ T4294] el0t_64_sync_handler+0x84/0xf0 [ 35.415094][ T4294] el0t_64_sync+0x18c/0x190 [ 35.416291][ T4294] irq event stamp: 136008 [ 35.417437][ T4294] hardirqs last enabled at (136007): [] folio_memcg_lock+0xe8/0x1fc [ 35.420035][ T4294] hardirqs last disabled at (136008): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 35.422784][ T4294] softirqs last enabled at (135904): [] handle_softirqs+0xaf8/0xc6c [ 35.425431][ T4294] softirqs last disabled at (135897): [] __do_softirq+0x14/0x20 [ 35.427986][ T4294] ---[ end trace 0000000000000000 ]--- [ 35.429914][ T4294] ------------[ cut here ]------------ [ 35.431385][ T4294] WARNING: CPU: 1 PID: 4294 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 35.434311][ T4294] Modules linked in: [ 35.435383][ T4294] CPU: 1 PID: 4294 Comm: syz-executor427 Tainted: G W 6.1.141-syzkaller #0 [ 35.438086][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 35.440814][ T4294] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.442907][ T4294] pc : __folio_start_writeback+0x868/0xa68 [ 35.444461][ T4294] lr : __folio_start_writeback+0x868/0xa68 [ 35.446021][ T4294] sp : ffff8000206a71a0 [ 35.447114][ T4294] x29: ffff8000206a7280 x28: dfff800000000000 x27: 0000000000000000 [ 35.449308][ T4294] x26: ffff7000040d4e3c x25: 0000000000000000 x24: ffff0000c4eaa250 [ 35.451459][ T4294] x23: ffff8000206a7200 x22: ffff0000c054bce8 x21: 0000000000000001 [ 35.453609][ T4294] x20: fffffc00036f0388 x19: fffffc00036f0380 x18: 0000000000000000 [ 35.455768][ T4294] x17: ffff8000181a1000 x16: ffff8000082d0750 x15: 0000000000000000 [ 35.457887][ T4294] x14: 0000000000000406 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 [ 35.460071][ T4294] x11: ff008000086fce3c x10: 0000000000000000 x9 : ffff8000086fce3c [ 35.462242][ T4294] x8 : ffff0000d4b71bc0 x7 : ffff8000086fc8bc x6 : 0000000000000000 [ 35.464393][ T4294] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fc8fc [ 35.466522][ T4294] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 35.468733][ T4294] Call trace: [ 35.469601][ T4294] __folio_start_writeback+0x868/0xa68 [ 35.471067][ T4294] set_page_writeback+0x5c/0x7c [ 35.472393][ T4294] gfs2_aspace_writepage+0x520/0x6e8 [ 35.473854][ T4294] __gfs2_writepage+0x70/0x18c [ 35.475162][ T4294] write_cache_pages+0x73c/0xdd4 [ 35.476541][ T4294] gfs2_ail1_flush+0x7c0/0xa00 [ 35.477823][ T4294] empty_ail1_list+0x110/0x1ec [ 35.479091][ T4294] gfs2_log_flush+0x1258/0x1aa0 [ 35.480390][ T4294] gfs2_kill_sb+0x5c/0xd4 [ 35.481591][ T4294] deactivate_locked_super+0xac/0x124 [ 35.483025][ T4294] deactivate_super+0xe8/0x108 [ 35.484282][ T4294] cleanup_mnt+0x37c/0x404 [ 35.485511][ T4294] __cleanup_mnt+0x20/0x30 [ 35.486720][ T4294] task_work_run+0x1ec/0x270 [ 35.487960][ T4294] do_exit+0x544/0x19a8 [ 35.489061][ T4294] do_group_exit+0x194/0x22c [ 35.490264][ T4294] __wake_up_parent+0x0/0x60 [ 35.491500][ T4294] invoke_syscall+0x98/0x2bc [ 35.492741][ T4294] el0_svc_common+0x138/0x258 [ 35.493987][ T4294] do_el0_svc+0x58/0x13c [ 35.495112][ T4294] el0_svc+0x58/0x138 [ 35.496197][ T4294] el0t_64_sync_handler+0x84/0xf0 [ 35.497544][ T4294] el0t_64_sync+0x18c/0x190 [ 35.498759][ T4294] irq event stamp: 136058 [ 35.499901][ T4294] hardirqs last enabled at (136057): [] folio_memcg_lock+0xe8/0x1fc [ 35.502570][ T4294] hardirqs last disabled at (136058): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 35.505280][ T4294] softirqs last enabled at (136040): [] handle_softirqs+0xaf8/0xc6c [ 35.507951][ T4294] softirqs last disabled at (136011): [] __do_softirq+0x14/0x20 [ 35.510452][ T4294] ---[ end trace 0000000000000000 ]--- [ 35.512815][ C0] ------------[ cut here ]------------ [ 35.514493][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 35.517339][ C0] Modules linked in: [ 35.518408][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.1.141-syzkaller #0 [ 35.520950][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 35.523721][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.525958][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 35.527558][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 35.529182][ C0] sp : ffff80001c877960 [ 35.530349][ C0] x29: ffff80001c877980 x28: dfff800000000000 x27: ffff0000c054bce8 [ 35.532599][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006926a0 [ 35.534812][ C0] x23: 0000000000000001 x22: ffff0000c4ea82a0 x21: ffff0000c4ea82a8 [ 35.537059][ C0] x20: 0000000000000001 x19: fffffc0003493500 x18: ffff800011a7bce0 [ 35.539252][ C0] x17: 1fffe00033ee2f76 x16: ffff8000082d0750 x15: 0000000000000000 [ 35.541535][ C0] x14: 0000000000000002 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 [ 35.543784][ C0] x11: ff008000086fc3c8 x10: 0000000000000000 x9 : ffff8000086fc3c8 [ 35.546069][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 35.548307][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 35.550565][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 35.552839][ C0] Call trace: [ 35.553738][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 35.555251][ C0] folio_end_writeback+0x12c/0x41c [ 35.556716][ C0] end_page_writeback+0x58/0x74 [ 35.558039][ C0] end_buffer_async_write+0x32c/0x508 [ 35.559562][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 35.560921][ C0] bio_endio+0x770/0x7b4 [ 35.562102][ C0] blk_update_request+0x49c/0xbec [ 35.563534][ C0] blk_mq_end_request+0x54/0x88 [ 35.564959][ C0] lo_complete_rq+0x1ec/0x250 [ 35.566316][ C0] blk_done_softirq+0x11c/0x168 [ 35.567701][ C0] handle_softirqs+0x318/0xc6c [ 35.569050][ C0] run_ksoftirqd+0x7c/0x2a0 [ 35.570311][ C0] smpboot_thread_fn+0x4b0/0x964 [ 35.571670][ C0] kthread+0x250/0x2d8 [ 35.572815][ C0] ret_from_fork+0x10/0x20 [ 35.574068][ C0] irq event stamp: 329067 [ 35.575284][ C0] hardirqs last enabled at (329066): [] folio_memcg_lock+0xe8/0x1fc [ 35.577935][ C0] hardirqs last disabled at (329067): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 35.580878][ C0] softirqs last enabled at (329056): [] handle_softirqs+0xaf8/0xc6c [ 35.583505][ C0] softirqs last disabled at (329061): [] run_ksoftirqd+0x7c/0x2a0 [ 35.586140][ C0] ---[ end trace 0000000000000000 ]---