Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts. executing program [ 44.195106][ T4023] loop0: detected capacity change from 0 to 32768 [ 44.297319][ T4023] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.299681][ T4023] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.317687][ T4023] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.322319][ T3606] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.324185][ T3606] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.368886][ T3606] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms [ 44.371314][ T3606] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.372912][ T4023] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.504344][ T4023] ------------[ cut here ]------------ [ 44.506022][ T4023] WARNING: CPU: 0 PID: 4023 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 44.508801][ T4023] Modules linked in: [ 44.509844][ T4023] CPU: 0 PID: 4023 Comm: syz-executor207 Not tainted 5.15.185-syzkaller #0 [ 44.512080][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.514827][ T4023] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.516965][ T4023] pc : __set_page_dirty+0x938/0xc74 [ 44.518311][ T4023] lr : __set_page_dirty+0x938/0xc74 [ 44.519698][ T4023] sp : ffff80001b7f7760 [ 44.520814][ T4023] x29: ffff80001b7f7770 x28: ffff0000d5158000 x27: 0000000000000000 [ 44.522966][ T4023] x26: dfff800000000000 x25: 1fffe000180a99d9 x24: 0000000000000000 [ 44.525116][ T4023] x23: ffff0000c054cec8 x22: 0000000000000000 x21: 0000000000000001 [ 44.527233][ T4023] x20: ffff0000d1e06250 x19: fffffc0003433c00 x18: 1fffe0003421d38e [ 44.529404][ T4023] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 44.531655][ T4023] x14: ffff0000c1f78a00 x13: ffff0000c1f78a78 x12: 0000000000ff0100 [ 44.533880][ T4023] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 44.536027][ T4023] x8 : ffff0000c1f78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.538225][ T4023] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 44.540408][ T4023] x2 : ffff0000cc234060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.542565][ T4023] Call trace: [ 44.543498][ T4023] __set_page_dirty+0x938/0xc74 [ 44.544885][ T4023] mark_buffer_dirty+0x27c/0x52c [ 44.546210][ T4023] gfs2_unpin+0x12c/0xc28 [ 44.547402][ T4023] buf_lo_after_commit+0x140/0x188 [ 44.548766][ T4023] gfs2_log_flush+0x13cc/0x2078 [ 44.550106][ T4023] gfs2_kill_sb+0x5c/0xd4 [ 44.551266][ T4023] deactivate_locked_super+0xb8/0x13c [ 44.552777][ T4023] deactivate_super+0xf8/0x118 [ 44.554094][ T4023] cleanup_mnt+0x3a4/0x458 [ 44.555290][ T4023] __cleanup_mnt+0x20/0x30 [ 44.556520][ T4023] task_work_run+0x12c/0x1e0 [ 44.557867][ T4023] do_exit+0x67c/0x1f58 [ 44.559022][ T4023] do_group_exit+0x100/0x268 [ 44.560234][ T4023] __wake_up_parent+0x0/0x60 [ 44.561488][ T4023] invoke_syscall+0x98/0x2b8 [ 44.562805][ T4023] el0_svc_common+0x138/0x258 [ 44.564084][ T4023] do_el0_svc+0x58/0x14c [ 44.565239][ T4023] el0_svc+0x78/0x1e0 [ 44.566304][ T4023] el0t_64_sync_handler+0xcc/0xe4 [ 44.567665][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 44.568837][ T4023] irq event stamp: 147466 [ 44.569975][ T4023] hardirqs last enabled at (147465): [] lock_page_memcg+0x110/0x234 [ 44.572625][ T4023] hardirqs last disabled at (147466): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.575356][ T4023] softirqs last enabled at (145428): [] local_bh_enable+0x10/0x34 [ 44.577969][ T4023] softirqs last disabled at (145426): [] local_bh_disable+0x10/0x34 [ 44.580602][ T4023] ---[ end trace e1b7e4e727fbf714 ]--- [ 44.582690][ T4023] ------------[ cut here ]------------ [ 44.584192][ T4023] WARNING: CPU: 0 PID: 4023 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 44.587138][ T4023] Modules linked in: [ 44.588144][ T4023] CPU: 0 PID: 4023 Comm: syz-executor207 Tainted: G W 5.15.185-syzkaller #0 [ 44.590936][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.593639][ T4023] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.595738][ T4023] pc : __test_set_page_writeback+0xa34/0xc34 [ 44.597323][ T4023] lr : __test_set_page_writeback+0xa34/0xc34 [ 44.598948][ T4023] sp : ffff80001b7f7140 [ 44.600025][ T4023] x29: ffff80001b7f7220 x28: 0000000000000000 x27: 0000000000000000 [ 44.602213][ T4023] x26: ffff0000c054cd20 x25: dfff800000000000 x24: 0000000000000000 [ 44.604407][ T4023] x23: ffff0000d1e06250 x22: fffffc0003433c08 x21: ffff80001b7f71a0 [ 44.606611][ T4023] x20: 1fffff8000686781 x19: fffffc0003433c00 x18: 0000000000000000 [ 44.608858][ T4023] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 44.611009][ T4023] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 44.613168][ T4023] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 44.615370][ T4023] x8 : ffff0000c1f78000 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 44.617538][ T4023] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 44.619699][ T4023] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.621765][ T4023] Call trace: [ 44.622625][ T4023] __test_set_page_writeback+0xa34/0xc34 [ 44.624121][ T4023] gfs2_aspace_writepage+0x548/0x710 [ 44.625487][ T4023] __writepage+0x70/0x120 [ 44.626677][ T4023] write_cache_pages+0x7c8/0xde4 [ 44.627948][ T4023] generic_writepages+0xf4/0x160 [ 44.629254][ T4023] gfs2_ail1_flush+0x884/0xeac [ 44.630520][ T4023] empty_ail1_list+0x100/0x1d4 [ 44.631853][ T4023] gfs2_log_flush+0x16c0/0x2078 [ 44.633200][ T4023] gfs2_kill_sb+0x5c/0xd4 [ 44.634326][ T4023] deactivate_locked_super+0xb8/0x13c [ 44.635767][ T4023] deactivate_super+0xf8/0x118 [ 44.637040][ T4023] cleanup_mnt+0x3a4/0x458 [ 44.638208][ T4023] __cleanup_mnt+0x20/0x30 [ 44.639377][ T4023] task_work_run+0x12c/0x1e0 [ 44.640586][ T4023] do_exit+0x67c/0x1f58 [ 44.641677][ T4023] do_group_exit+0x100/0x268 [ 44.642962][ T4023] __wake_up_parent+0x0/0x60 [ 44.644134][ T4023] invoke_syscall+0x98/0x2b8 [ 44.645317][ T4023] el0_svc_common+0x138/0x258 [ 44.646585][ T4023] do_el0_svc+0x58/0x14c [ 44.647696][ T4023] el0_svc+0x78/0x1e0 [ 44.648727][ T4023] el0t_64_sync_handler+0xcc/0xe4 [ 44.650015][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 44.651207][ T4023] irq event stamp: 147514 [ 44.652342][ T4023] hardirqs last enabled at (147513): [] lock_page_memcg+0x110/0x234 [ 44.654977][ T4023] hardirqs last disabled at (147514): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.657681][ T4023] softirqs last enabled at (147492): [] handle_softirqs+0xa4c/0xbf0 [ 44.660245][ T4023] softirqs last disabled at (147469): [] __irq_exit_rcu+0x240/0x440 [ 44.662882][ T4023] ---[ end trace e1b7e4e727fbf715 ]--- [ 44.669344][ C1] ------------[ cut here ]------------ [ 44.671159][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 44.673977][ C1] Modules linked in: [ 44.675042][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.185-syzkaller #0 [ 44.677578][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.680248][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.682343][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 44.683992][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 44.685601][ C1] sp : ffff80001b3879a0 [ 44.686696][ C1] x29: ffff80001b3879b0 x28: ffff0000cc234000 x27: fffffc0003433c48 [ 44.688882][ C1] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 44.691059][ C1] x23: ffff0000c054cd20 x22: 0000000000000001 x21: 0000000000000001 [ 44.693200][ C1] x20: ffff0000d1e06250 x19: fffffc0003433c00 x18: 0000000000000001 [ 44.695446][ C1] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 44.697620][ C1] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 44.699757][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 44.701961][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.704194][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 44.706323][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.708442][ C1] Call trace: [ 44.709283][ C1] test_clear_page_writeback+0x8d0/0xacc [ 44.710757][ C1] end_page_writeback+0x174/0x488 [ 44.712176][ C1] end_buffer_async_write+0x340/0x56c [ 44.713605][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 44.714933][ C1] bio_endio+0x744/0x788 [ 44.716090][ C1] blk_update_request+0x7a4/0x1100 [ 44.717466][ C1] blk_mq_end_request+0x54/0x88 [ 44.718739][ C1] lo_complete_rq+0x1ec/0x250 [ 44.720041][ C1] blk_done_softirq+0x11c/0x168 [ 44.721351][ C1] handle_softirqs+0x344/0xbf0 [ 44.722717][ C1] run_ksoftirqd+0x7c/0x2a0 [ 44.723919][ C1] smpboot_thread_fn+0x4b0/0x920 [ 44.725239][ C1] kthread+0x374/0x454 [ 44.726346][ C1] ret_from_fork+0x10/0x20 [ 44.727560][ C1] irq event stamp: 263177 [ 44.728742][ C1] hardirqs last enabled at (263176): [] lock_page_memcg+0x110/0x234 [ 44.731410][ C1] hardirqs last disabled at (263177): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.734233][ C1] softirqs last enabled at (263166): [] handle_softirqs+0xa4c/0xbf0 [ 44.736861][ C1] softirqs last disabled at (263171): [] run_ksoftirqd+0x7c/0x2a0 [ 44.739338][ C1] ---[ end trace e1b7e4e727fbf716 ]---