Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts. executing program [ 44.167515][ T4022] loop0: detected capacity change from 0 to 32768 [ 44.231906][ T4022] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.234328][ T4022] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.259369][ T4022] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.264212][ T1960] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.266186][ T1960] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.302823][ T1960] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 36ms [ 44.305787][ T1960] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.307615][ T4022] 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 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 [ 74.676184][ T1702] ------------[ cut here ]------------ [ 74.677832][ T1702] WARNING: CPU: 1 PID: 1702 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 74.680753][ T1702] Modules linked in: [ 74.681901][ T1702] CPU: 1 PID: 1702 Comm: kworker/u4:6 Not tainted 5.15.185-syzkaller #0 [ 74.684250][ T1702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.687154][ T1702] Workqueue: writeback wb_workfn (flush-7:0) [ 74.688846][ T1702] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 74.691070][ T1702] pc : __set_page_dirty+0x938/0xc74 [ 74.692558][ T1702] lr : __set_page_dirty+0x938/0xc74 [ 74.694081][ T1702] sp : ffff800023d06fc0 [ 74.695249][ T1702] x29: ffff800023d06fd0 x28: ffff0000c1344000 x27: 0000000000000000 [ 74.697512][ T1702] x26: dfff800000000000 x25: 1fffe000180a89d9 x24: 0000000000000000 [ 74.699839][ T1702] x23: ffff0000c0544ec8 x22: 0000000000000000 x21: 0000000000000001 [ 74.702169][ T1702] x20: ffff0000d5fd6250 x19: fffffc000335f240 x18: 1fffe0003422158e [ 74.704433][ T1702] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 74.706743][ T1702] x14: ffff0000cdcb5bc0 x13: ffff0000cdcb5c88 x12: 0000000000ff0100 [ 74.709044][ T1702] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 74.711353][ T1702] x8 : ffff0000cdcb51c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.713639][ T1702] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 74.715956][ T1702] x2 : ffff0000cc42a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 74.718230][ T1702] Call trace: [ 74.719190][ T1702] __set_page_dirty+0x938/0xc74 [ 74.720581][ T1702] mark_buffer_dirty+0x27c/0x52c [ 74.721998][ T1702] gfs2_unpin+0x12c/0xc28 [ 74.723198][ T1702] buf_lo_after_commit+0x140/0x188 [ 74.724608][ T1702] gfs2_log_flush+0x13cc/0x2078 [ 74.726012][ T1702] gfs2_write_inode+0x23c/0x3f4 [ 74.727391][ T1702] __writeback_single_inode+0x560/0x11f0 [ 74.729009][ T1702] writeback_sb_inodes+0x7fc/0x1378 [ 74.730469][ T1702] __writeback_inodes_wb+0x110/0x394 [ 74.731938][ T1702] wb_writeback+0x3ec/0xe44 [ 74.733232][ T1702] wb_workfn+0xa18/0xdd8 [ 74.734409][ T1702] process_one_work+0x79c/0x1140 [ 74.735785][ T1702] worker_thread+0x8f4/0x101c [ 74.737136][ T1702] kthread+0x374/0x454 [ 74.738261][ T1702] ret_from_fork+0x10/0x20 [ 74.739521][ T1702] irq event stamp: 165318 [ 74.740710][ T1702] hardirqs last enabled at (165317): [] lock_page_memcg+0x110/0x234 [ 74.743498][ T1702] hardirqs last disabled at (165318): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 74.746409][ T1702] softirqs last enabled at (164896): [] handle_softirqs+0xa4c/0xbf0 [ 74.749177][ T1702] softirqs last disabled at (164887): [] __irq_exit_rcu+0x240/0x440 [ 74.751911][ T1702] ---[ end trace a386d50ec377caa4 ]--- [ 74.754975][ T1533] cfg80211: failed to load regulatory.db [ 74.763985][ T1702] ------------[ cut here ]------------ [ 74.765603][ T1702] WARNING: CPU: 1 PID: 1702 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 74.768625][ T1702] Modules linked in: [ 74.769675][ T1702] CPU: 1 PID: 1702 Comm: kworker/u4:6 Tainted: G W 5.15.185-syzkaller #0 executing program [ 74.772389][ T1702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.775284][ T1702] Workqueue: writeback wb_workfn (flush-7:0) [ 74.777045][ T1702] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 74.779248][ T1702] pc : __test_set_page_writeback+0xa34/0xc34 [ 74.781009][ T1702] lr : __test_set_page_writeback+0xa34/0xc34 [ 74.782732][ T1702] sp : ffff800023d06c00 [ 74.783925][ T1702] x29: ffff800023d06ce0 x28: 0000000000000000 x27: 0000000000000000 [ 74.786315][ T1702] x26: ffff0000c0544d20 x25: dfff800000000000 x24: 0000000000000000 [ 74.788689][ T1702] x23: ffff0000d5fd42a0 x22: fffffc000368cec8 x21: ffff800023d06c60 [ 74.791006][ T1702] x20: 1fffff80006d19d9 x19: fffffc000368cec0 x18: 0000000000000000 [ 74.793306][ T1702] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 74.795574][ T1702] x14: ffff0000cdcb5bc0 x13: ffff0000cdcb5c60 x12: 0000000000ff0100 [ 74.797857][ T1702] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 74.800164][ T1702] x8 : ffff0000cdcb51c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.802460][ T1702] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086a0194 [ 74.804764][ T1702] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 74.807056][ T1702] Call trace: [ 74.808001][ T1702] __test_set_page_writeback+0xa34/0xc34 [ 74.809631][ T1702] gfs2_aspace_writepage+0x548/0x710 [ 74.811141][ T1702] __writepage+0x70/0x120 [ 74.812377][ T1702] write_cache_pages+0x7c8/0xde4 [ 74.813780][ T1702] do_writepages+0x3cc/0x578 [ 74.815080][ T1702] filemap_fdatawrite_wbc+0x1d4/0x234 [ 74.816633][ T1702] filemap_fdatawrite+0xb0/0xf4 [ 74.818048][ T1702] gfs2_write_inode+0x2ec/0x3f4 [ 74.819436][ T1702] __writeback_single_inode+0x560/0x11f0 [ 74.821049][ T1702] writeback_sb_inodes+0x7fc/0x1378 [ 74.822505][ T1702] __writeback_inodes_wb+0x110/0x394 [ 74.824057][ T1702] wb_writeback+0x3ec/0xe44 [ 74.825334][ T1702] wb_workfn+0xa18/0xdd8 [ 74.826537][ T1702] process_one_work+0x79c/0x1140 [ 74.827961][ T1702] worker_thread+0x8f4/0x101c [ 74.829255][ T1702] kthread+0x374/0x454 [ 74.830426][ T1702] ret_from_fork+0x10/0x20 [ 74.831716][ T1702] irq event stamp: 165392 [ 74.833026][ T1702] hardirqs last enabled at (165391): [] lock_page_memcg+0x110/0x234 [ 74.835777][ T1702] hardirqs last disabled at (165392): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 74.838640][ T1702] softirqs last enabled at (165362): [] handle_softirqs+0xa4c/0xbf0 [ 74.841342][ T1702] softirqs last disabled at (165355): [] __irq_exit_rcu+0x240/0x440 [ 74.844085][ T1702] ---[ end trace a386d50ec377caa5 ]--- [ 74.875689][ C0] ------------[ cut here ]------------ [ 74.877470][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 74.880436][ C0] Modules linked in: [ 74.881493][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 74.884061][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.886771][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 74.888906][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 74.890528][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 74.892208][ C0] sp : ffff80001b3179a0 [ 74.893325][ C0] x29: ffff80001b3179b0 x28: ffff0000cc42a000 x27: fffffc000368ce88 [ 74.895562][ C0] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 74.897844][ C0] x23: ffff0000c0544d20 x22: 0000000000000001 x21: 0000000000000001 [ 74.900265][ C0] x20: ffff0000d5fd42a0 x19: fffffc000368cec0 x18: 0000000000000001 [ 74.902412][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 74.904697][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 74.906950][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 74.909205][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.911483][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 74.913782][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 74.916084][ C0] Call trace: [ 74.917013][ C0] test_clear_page_writeback+0x8d0/0xacc [ 74.918648][ C0] end_page_writeback+0x174/0x488 [ 74.920090][ C0] end_buffer_async_write+0x340/0x56c [ 74.921590][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 74.922975][ C0] bio_endio+0x744/0x788 [ 74.924127][ C0] blk_update_request+0x7a4/0x1100 [ 74.925657][ C0] blk_mq_end_request+0x54/0x88 [ 74.926980][ C0] lo_complete_rq+0x1ec/0x250 [ 74.928273][ C0] blk_done_softirq+0x11c/0x168 [ 74.929612][ C0] handle_softirqs+0x344/0xbf0 [ 74.930929][ C0] run_ksoftirqd+0x7c/0x2a0 [ 74.932107][ C0] smpboot_thread_fn+0x4b0/0x920 [ 74.933507][ C0] kthread+0x374/0x454 [ 74.934640][ C0] ret_from_fork+0x10/0x20 [ 74.935858][ C0] irq event stamp: 212127 [ 74.937020][ C0] hardirqs last enabled at (212126): [] lock_page_memcg+0x110/0x234 [ 74.939815][ C0] hardirqs last disabled at (212127): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 74.942664][ C0] softirqs last enabled at (212116): [] handle_softirqs+0xa4c/0xbf0 [ 74.945349][ C0] softirqs last disabled at (212121): [] run_ksoftirqd+0x7c/0x2a0 [ 74.947961][ C0] ---[ end trace a386d50ec377caa6 ]--- 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