Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts. executing program [ 61.011305][ T4301] loop0: detected capacity change from 0 to 32768 [ 61.021710][ T4301] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 61.024239][ T4301] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 61.037006][ T4301] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 61.040888][ T112] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 61.042915][ T112] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 61.078918][ T112] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 36ms [ 61.081512][ T112] gfs2: fsid=syz:syz.0: jid=0: Done [ 61.083247][ T4301] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 61.168851][ T4301] gfs2: fsid=syz:syz.0: found 1 quota changes executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 65.142760][ T4305] ------------[ cut here ]------------ [ 65.144540][ T4305] WARNING: CPU: 1 PID: 4305 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 65.147325][ T4305] Modules linked in: [ 65.148378][ T4305] CPU: 1 PID: 4305 Comm: gfs2_quotad Not tainted 6.1.141-syzkaller #0 [ 65.150580][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.153390][ T4305] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 65.155575][ T4305] pc : __folio_mark_dirty+0x8a0/0xce0 [ 65.157100][ T4305] lr : __folio_mark_dirty+0x8a0/0xce0 [ 65.158544][ T4305] sp : ffff8000207e77c0 [ 65.159663][ T4305] x29: ffff8000207e77e0 x28: 1fffff800068cda8 x27: dfff800000000000 [ 65.161837][ T4305] x26: 0000000000000000 x25: ffff0000c0541290 x24: 0000000000000001 [ 65.163971][ T4305] x23: 0000000000000000 x22: fffffc0003466d48 x21: 1fffe000180a8252 [ 65.166145][ T4305] x20: ffff0000d2232250 x19: fffffc0003466d40 x18: ffff800011a7bce0 [ 65.168383][ T4305] x17: ffff8000181a1000 x16: ffff8000082d0750 x15: ffff800017c81fc0 [ 65.170537][ T4305] x14: ffff0000cb8e5dd8 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 [ 65.172661][ T4305] x11: ff008000086fa924 x10: 0000000000000000 x9 : ffff8000086fa924 [ 65.174825][ T4305] x8 : ffff0000cb8e5340 x7 : ffff8000086fa0c8 x6 : 0000000000000000 [ 65.176962][ T4305] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a45288 [ 65.179131][ T4305] x2 : ffff0000ceac6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 65.181263][ T4305] Call trace: [ 65.182148][ T4305] __folio_mark_dirty+0x8a0/0xce0 [ 65.183541][ T4305] mark_buffer_dirty+0x2b8/0x5cc [ 65.184845][ T4305] gfs2_unpin+0x120/0x914 [ 65.186009][ T4305] buf_lo_after_commit+0x140/0x188 [ 65.187381][ T4305] gfs2_log_flush+0xbc8/0x1aa0 [ 65.188666][ T4305] do_sync+0x88c/0xa94 [ 65.189735][ T4305] gfs2_quota_sync+0x2e0/0x528 [ 65.191066][ T4305] gfs2_quotad+0x2d8/0x4fc [ 65.192283][ T4305] kthread+0x250/0x2d8 [ 65.193421][ T4305] ret_from_fork+0x10/0x20 [ 65.194616][ T4305] irq event stamp: 384 [ 65.195695][ T4305] hardirqs last enabled at (383): [] folio_memcg_lock+0xe8/0x1fc [ 65.198277][ T4305] hardirqs last disabled at (384): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 65.200991][ T4305] softirqs last enabled at (122): [] handle_softirqs+0xaf8/0xc6c [ 65.203554][ T4305] softirqs last disabled at (17): [] __do_softirq+0x14/0x20 [ 65.205952][ T4305] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 69.619787][ T7] cfg80211: failed to load regulatory.db executing program executing program [ 70.179349][ T55] ------------[ cut here ]------------ [ 70.181014][ T55] WARNING: CPU: 1 PID: 55 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 70.183822][ T55] Modules linked in: [ 70.184843][ T55] CPU: 1 PID: 55 Comm: kworker/u4:3 Tainted: G W 6.1.141-syzkaller #0 [ 70.187412][ T55] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.190157][ T55] Workqueue: writeback wb_workfn (flush-7:0) [ 70.191742][ T55] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 70.193906][ T55] pc : __folio_start_writeback+0x868/0xa68 [ 70.195519][ T55] lr : __folio_start_writeback+0x868/0xa68 [ 70.197097][ T55] sp : ffff80001ce36bc0 [ 70.198255][ T55] x29: ffff80001ce36ca0 x28: dfff800000000000 x27: 0000000000000000 [ 70.200397][ T55] x26: ffff7000039c6d80 x25: 0000000000000000 x24: ffff0000d2232ce0 [ 70.202641][ T55] x23: ffff80001ce36c20 x22: ffff0000c05410e8 x21: 0000000000000001 [ 70.204760][ T55] x20: fffffc00033a5908 x19: fffffc00033a5900 x18: ffff800011a7bce0 [ 70.206945][ T55] x17: ffff8000181a1000 x16: ffff8000082d0750 x15: ffff800017c81fc0 [ 70.209106][ T55] x14: ffff0000c4a3c218 x13: ffff0000c4a3c2b8 x12: 0000000000ff0100 [ 70.211283][ T55] x11: ff008000086fce3c x10: 0000000000000000 x9 : ffff8000086fce3c [ 70.213509][ T55] x8 : ffff0000c4a3b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 70.215712][ T55] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086fc8fc [ 70.217866][ T55] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 70.220060][ T55] Call trace: [ 70.220909][ T55] __folio_start_writeback+0x868/0xa68 [ 70.222400][ T55] set_page_writeback+0x5c/0x7c [ 70.223726][ T55] gfs2_aspace_writepage+0x520/0x6e8 [ 70.225203][ T55] __writepage+0x70/0x18c [ 70.226392][ T55] write_cache_pages+0x73c/0xdd4 [ 70.227760][ T55] do_writepages+0x320/0x4fc [ 70.229006][ T55] filemap_fdatawrite_wbc+0x124/0x174 [ 70.230508][ T55] filemap_fdatawrite+0xc4/0x114 [ 70.231815][ T55] gfs2_write_inode+0x234/0x34c [ 70.233186][ T55] __writeback_single_inode+0x5e0/0x157c [ 70.234758][ T55] writeback_sb_inodes+0x824/0x1404 [ 70.236175][ T55] __writeback_inodes_wb+0x110/0x394 [ 70.237612][ T55] wb_writeback+0x414/0xfb0 [ 70.238784][ T55] wb_workfn+0xac0/0xd98 [ 70.239975][ T55] process_one_work+0x7f4/0x13a8 [ 70.241343][ T55] worker_thread+0x8c8/0xfbc [ 70.242582][ T55] kthread+0x250/0x2d8 [ 70.243640][ T55] ret_from_fork+0x10/0x20 [ 70.244841][ T55] irq event stamp: 38224 [ 70.245977][ T55] hardirqs last enabled at (38223): [] folio_memcg_lock+0xe8/0x1fc [ 70.248656][ T55] hardirqs last disabled at (38224): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 70.251407][ T55] softirqs last enabled at (35234): [] handle_softirqs+0xaf8/0xc6c [ 70.253977][ T55] softirqs last disabled at (35223): [] __do_softirq+0x14/0x20 [ 70.256413][ T55] ---[ end trace 0000000000000000 ]--- [ 70.278786][ C0] ------------[ cut here ]------------ [ 70.280397][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 70.283195][ C0] Modules linked in: [ 70.284254][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.1.141-syzkaller #0 [ 70.286681][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.289343][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 70.291434][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 70.292964][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 70.294487][ C0] sp : ffff80001c877960 [ 70.295558][ C0] x29: ffff80001c877980 x28: dfff800000000000 x27: ffff0000c05410e8 [ 70.297709][ C0] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff8000674b20 [ 70.299828][ C0] x23: 0000000000000001 x22: ffff0000d2232ce0 x21: ffff0000d2232ce8 [ 70.301917][ C0] x20: 0000000000000001 x19: fffffc00033a5900 x18: ffff800011a7bce0 [ 70.304091][ C0] x17: 1fffe00033ee2f76 x16: ffff8000082d0750 x15: 0000000000000000 [ 70.306268][ C0] x14: 0000000000000002 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 [ 70.308456][ C0] x11: ff008000086fc3c8 x10: 0000000000000000 x9 : ffff8000086fc3c8 [ 70.310552][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 70.312718][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 70.314921][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 70.317220][ C0] Call trace: [ 70.318163][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 70.319678][ C0] folio_end_writeback+0x12c/0x41c [ 70.321088][ C0] end_page_writeback+0x58/0x74 [ 70.322432][ C0] end_buffer_async_write+0x32c/0x508 [ 70.323946][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 70.325309][ C0] bio_endio+0x770/0x7b4 [ 70.326471][ C0] blk_update_request+0x49c/0xbec [ 70.327801][ C0] blk_mq_end_request+0x54/0x88 [ 70.329138][ C0] lo_complete_rq+0x1ec/0x250 [ 70.330427][ C0] blk_done_softirq+0x11c/0x168 [ 70.331783][ C0] handle_softirqs+0x318/0xc6c [ 70.333120][ C0] run_ksoftirqd+0x7c/0x2a0 [ 70.334403][ C0] smpboot_thread_fn+0x4b0/0x964 [ 70.335756][ C0] kthread+0x250/0x2d8 [ 70.336910][ C0] ret_from_fork+0x10/0x20 [ 70.338213][ C0] irq event stamp: 308631 [ 70.339374][ C0] hardirqs last enabled at (308630): [] folio_memcg_lock+0xe8/0x1fc [ 70.342064][ C0] hardirqs last disabled at (308631): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 70.344954][ C0] softirqs last enabled at (308620): [] handle_softirqs+0xaf8/0xc6c [ 70.347700][ C0] softirqs last disabled at (308625): [] run_ksoftirqd+0x7c/0x2a0 [ 70.350285][ C0] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program