Warning: Permanently added '10.128.1.183' (ED25519) to the list of known hosts. executing program [ 55.265612][ T4026] loop0: detected capacity change from 0 to 32768 [ 55.321535][ T4026] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 55.323999][ T4026] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 55.354871][ T4026] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 55.358514][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 55.360387][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 55.388425][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 28ms [ 55.391457][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 55.393316][ T4026] gfs2: fsid=syz:syz.0: first mount done, others may mount 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 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 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 [ 69.654613][ T1535] cfg80211: failed to load regulatory.db 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 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 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 [ 85.667619][ T227] ------------[ cut here ]------------ [ 85.669395][ T227] WARNING: CPU: 1 PID: 227 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 85.672124][ T227] Modules linked in: [ 85.673157][ T227] CPU: 1 PID: 227 Comm: kworker/1:1H Not tainted 5.15.181-syzkaller #0 [ 85.675374][ T227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 85.678038][ T227] Workqueue: glock_workqueue glock_work_func [ 85.679619][ T227] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 85.681648][ T227] pc : __set_page_dirty+0x938/0xc74 [ 85.683041][ T227] lr : __set_page_dirty+0x938/0xc74 [ 85.684437][ T227] sp : ffff80001bf376a0 [ 85.685525][ T227] x29: ffff80001bf376b0 x28: ffff0000da84c000 x27: 0000000000000000 [ 85.687622][ T227] x26: dfff800000000000 x25: 1fffe000180a99d9 x24: 0000000000000000 [ 85.689877][ T227] x23: ffff0000c054cec8 x22: 0000000000000000 x21: 0000000000000001 [ 85.692025][ T227] x20: ffff0000d1f52250 x19: fffffc0003296a40 x18: 1fffe0003685b58e [ 85.694147][ T227] x17: ffff800016ce0000 x16: ffff8000082bdde4 x15: ffff8000167c04c0 [ 85.696285][ T227] x14: ffff0000c67ac080 x13: ffff0000c67ac120 x12: 0000000000ff0100 [ 85.698362][ T227] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d9a8 [ 85.700532][ T227] x8 : ffff0000c67ab680 x7 : 0000000000000000 x6 : 0000000000000000 [ 85.702633][ T227] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899cc0c [ 85.704807][ T227] x2 : ffff0000cbe72060 x1 : 0000000000000000 x0 : 0000000000000000 [ 85.706957][ T227] Call trace: [ 85.707772][ T227] __set_page_dirty+0x938/0xc74 [ 85.709057][ T227] mark_buffer_dirty+0x27c/0x52c [ 85.710373][ T227] gfs2_unpin+0x12c/0xc28 [ 85.711534][ T227] buf_lo_after_commit+0x140/0x188 [ 85.712894][ T227] gfs2_log_flush+0x13cc/0x2078 [ 85.714221][ T227] inode_go_sync+0x278/0x5f0 [ 85.715412][ T227] do_xmote+0x2ec/0xf90 [ 85.716510][ T227] run_queue+0x3fc/0x6c0 [ 85.717632][ T227] glock_work_func+0x208/0x458 [ 85.718891][ T227] process_one_work+0x79c/0x1140 [ 85.720176][ T227] worker_thread+0x8f4/0x101c [ 85.721410][ T227] kthread+0x374/0x454 [ 85.722501][ T227] ret_from_fork+0x10/0x20 [ 85.723690][ T227] irq event stamp: 810 [ 85.724744][ T227] hardirqs last enabled at (809): [] lock_page_memcg+0x110/0x234 [ 85.727275][ T227] hardirqs last disabled at (810): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 85.729900][ T227] softirqs last enabled at (0): [] copy_process+0x1118/0x34ec [ 85.732406][ T227] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.734289][ T227] ---[ end trace 40cb7d3b44db48c5 ]--- [ 85.739369][ T227] ------------[ cut here ]------------ [ 85.740860][ T227] WARNING: CPU: 1 PID: 227 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 85.743703][ T227] Modules linked in: [ 85.744702][ T227] CPU: 1 PID: 227 Comm: kworker/1:1H Tainted: G W 5.15.181-syzkaller #0 [ 85.747266][ T227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 85.749917][ T227] Workqueue: glock_workqueue glock_work_func [ 85.751507][ T227] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 85.753586][ T227] pc : __test_set_page_writeback+0xa34/0xc34 [ 85.755186][ T227] lr : __test_set_page_writeback+0xa34/0xc34 [ 85.756753][ T227] sp : ffff80001bf372e0 [ 85.757819][ T227] x29: ffff80001bf373c0 x28: 0000000000000000 x27: 0000000000000000 [ 85.759970][ T227] x26: ffff0000c054cd20 x25: dfff800000000000 x24: 0000000000000000 [ 85.762134][ T227] x23: ffff0000d1f517c0 x22: fffffc00032e70c8 x21: ffff80001bf37340 [ 85.764216][ T227] x20: 1fffff800065ce19 x19: fffffc00032e70c0 x18: 0000000000000000 [ 85.766309][ T227] x17: ffff800016ce0000 x16: ffff8000082bdde4 x15: ffff8000167c04c0 [ 85.768479][ T227] x14: ffff0000c67ac080 x13: ffff0000c67ac0f8 x12: 0000000000ff0100 [ 85.770652][ T227] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a051c [ 85.772781][ T227] x8 : ffff0000c67ab680 x7 : 0000000000000000 x6 : 0000000000000000 [ 85.774851][ T227] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000869ff98 [ 85.776997][ T227] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 85.779165][ T227] Call trace: [ 85.780033][ T227] __test_set_page_writeback+0xa34/0xc34 [ 85.781491][ T227] gfs2_aspace_writepage+0x548/0x710 [ 85.782986][ T227] __writepage+0x70/0x120 [ 85.784119][ T227] write_cache_pages+0x7c8/0xde4 [ 85.785438][ T227] do_writepages+0x3cc/0x578 [ 85.786621][ T227] filemap_fdatawrite_wbc+0x1d4/0x234 [ 85.788113][ T227] filemap_fdatawrite+0xb0/0xf4 [ 85.789381][ T227] inode_go_sync+0x280/0x5f0 [ 85.790641][ T227] do_xmote+0x2ec/0xf90 [ 85.791720][ T227] run_queue+0x3fc/0x6c0 [ 85.792823][ T227] glock_work_func+0x208/0x458 [ 85.794128][ T227] process_one_work+0x79c/0x1140 [ 85.794416][ C0] ------------[ cut here ]------------ [ 85.795408][ T227] worker_thread+0x8f4/0x101c [ 85.796908][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 85.798163][ T227] kthread+0x374/0x454 [ 85.800984][ C0] Modules linked in: [ 85.802078][ T227] ret_from_fork+0x10/0x20 [ 85.803091][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.181-syzkaller #0 [ 85.804235][ T227] irq event stamp: 844 [ 85.806766][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 85.807840][ T227] hardirqs last enabled at (843): [] lock_page_memcg+0x110/0x234 [ 85.810471][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 85.812958][ T227] hardirqs last disabled at (844): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 85.815004][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 85.817561][ T227] softirqs last enabled at (0): [] copy_process+0x1118/0x34ec [ 85.819185][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 85.821555][ T227] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 85.823136][ C0] sp : ffff80001b3079a0 [ 85.824992][ T227] ---[ end trace 40cb7d3b44db48c6 ]--- [ 85.826051][ C0] x29: ffff80001b3079b0 x28: ffff0000cbe72000 x27: fffffc0003204b88 [ 85.829664][ C0] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 85.831843][ C0] x23: ffff0000c054cd20 x22: 0000000000000001 x21: 0000000000000001 [ 85.834009][ C0] x20: ffff0000d1f502a0 x19: fffffc00032efa40 x18: 0000000000000001 [ 85.836193][ C0] x17: 0000000000000000 x16: ffff8000082bdde4 x15: 0000000000000002 [ 85.838289][ C0] x14: 0000000000ff0100 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 85.840432][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869f8ec [ 85.842594][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 85.844639][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 85.846810][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 85.848922][ C0] Call trace: [ 85.849739][ C0] test_clear_page_writeback+0x8d0/0xacc [ 85.851276][ C0] end_page_writeback+0x174/0x488 [ 85.852598][ C0] end_buffer_async_write+0x340/0x56c [ 85.854050][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 85.855340][ C0] bio_endio+0x744/0x788 [ 85.856438][ C0] blk_update_request+0x7a4/0x1100 [ 85.857794][ C0] blk_mq_end_request+0x54/0x88 [ 85.859075][ C0] lo_complete_rq+0x1ec/0x250 [ 85.860341][ C0] blk_done_softirq+0x11c/0x168 [ 85.861610][ C0] handle_softirqs+0x344/0xbf0 [ 85.862877][ C0] run_ksoftirqd+0x7c/0x2a0 [ 85.864051][ C0] smpboot_thread_fn+0x4b0/0x920 [ 85.865362][ C0] kthread+0x374/0x454 [ 85.866428][ C0] ret_from_fork+0x10/0x20 [ 85.867623][ C0] irq event stamp: 128989 [ 85.868715][ C0] hardirqs last enabled at (128988): [] lock_page_memcg+0x110/0x234 [ 85.871316][ C0] hardirqs last disabled at (128989): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 85.874047][ C0] softirqs last enabled at (128978): [] handle_softirqs+0xa4c/0xbf0 [ 85.876587][ C0] softirqs last disabled at (128983): [] run_ksoftirqd+0x7c/0x2a0 [ 85.879105][ C0] ---[ end trace 40cb7d3b44db48c7 ]--- 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 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