Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. executing program [ 43.240579][ T4021] loop0: detected capacity change from 0 to 32768 [ 43.340002][ T4021] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 43.342509][ T4021] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 43.365498][ T4021] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 43.369618][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 43.371604][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 43.410139][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 38ms [ 43.414450][ T21] gfs2: fsid=syz:syz.0: jid=0: Done [ 43.416155][ T4021] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 43.589372][ T4021] ------------[ cut here ]------------ [ 43.590971][ T4021] WARNING: CPU: 1 PID: 4021 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 43.593728][ T4021] Modules linked in: [ 43.594826][ T4021] CPU: 1 PID: 4021 Comm: syz-executor375 Not tainted 5.15.185-syzkaller #0 [ 43.597228][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.599989][ T4021] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.602207][ T4021] pc : __set_page_dirty+0x938/0xc74 [ 43.603628][ T4021] lr : __set_page_dirty+0x938/0xc74 [ 43.605052][ T4021] sp : ffff80001b7f7760 [ 43.606183][ T4021] x29: ffff80001b7f7770 x28: ffff0000c1510000 x27: 0000000000000000 [ 43.608498][ T4021] x26: dfff800000000000 x25: 1fffe00018092b51 x24: 0000000000000000 [ 43.610760][ T4021] x23: ffff0000c0495a88 x22: 0000000000000000 x21: 0000000000000001 [ 43.612982][ T4021] x20: ffff0000d1e72250 x19: fffffc0003483b00 x18: 0000000000000002 [ 43.615157][ T4021] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 43.617311][ T4021] x14: ffff0000c1efc080 x13: ffff0000c1efc0f8 x12: 0000000000ff0100 [ 43.619466][ T4021] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 43.621701][ T4021] x8 : ffff0000c1efb680 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.624023][ T4021] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 43.626309][ T4021] x2 : ffff0000cbdce060 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.628466][ T4021] Call trace: [ 43.629371][ T4021] __set_page_dirty+0x938/0xc74 [ 43.630683][ T4021] mark_buffer_dirty+0x27c/0x52c [ 43.632074][ T4021] gfs2_unpin+0x12c/0xc28 [ 43.633224][ T4021] buf_lo_after_commit+0x140/0x188 [ 43.634691][ T4021] gfs2_log_flush+0x13cc/0x2078 [ 43.635978][ T4021] gfs2_kill_sb+0x5c/0xd4 [ 43.637183][ T4021] deactivate_locked_super+0xb8/0x13c [ 43.638647][ T4021] deactivate_super+0xf8/0x118 [ 43.640000][ T4021] cleanup_mnt+0x3a4/0x458 [ 43.641245][ T4021] __cleanup_mnt+0x20/0x30 [ 43.642451][ T4021] task_work_run+0x12c/0x1e0 [ 43.643699][ T4021] do_exit+0x67c/0x1f58 [ 43.644818][ T4021] do_group_exit+0x100/0x268 [ 43.646072][ T4021] __wake_up_parent+0x0/0x60 [ 43.647341][ T4021] invoke_syscall+0x98/0x2b8 [ 43.648613][ T4021] el0_svc_common+0x138/0x258 [ 43.649879][ T4021] do_el0_svc+0x58/0x14c [ 43.651035][ T4021] el0_svc+0x78/0x1e0 [ 43.652148][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 43.653478][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 43.654690][ T4021] irq event stamp: 149432 [ 43.655871][ T4021] hardirqs last enabled at (149431): [] lock_page_memcg+0x110/0x234 [ 43.658519][ T4021] hardirqs last disabled at (149432): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.661294][ T4021] softirqs last enabled at (148232): [] handle_softirqs+0xa4c/0xbf0 [ 43.663908][ T4021] softirqs last disabled at (148217): [] __irq_exit_rcu+0x240/0x440 [ 43.666574][ T4021] ---[ end trace aab1017884541500 ]--- [ 43.668489][ T4021] ------------[ cut here ]------------ [ 43.669956][ T4021] WARNING: CPU: 1 PID: 4021 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 43.672976][ T4021] Modules linked in: [ 43.674039][ T4021] CPU: 1 PID: 4021 Comm: syz-executor375 Tainted: G W 5.15.185-syzkaller #0 [ 43.676774][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.679636][ T4021] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.681765][ T4021] pc : __test_set_page_writeback+0xa34/0xc34 [ 43.683399][ T4021] lr : __test_set_page_writeback+0xa34/0xc34 [ 43.685043][ T4021] sp : ffff80001b7f7140 [ 43.686145][ T4021] x29: ffff80001b7f7220 x28: 0000000000000000 x27: 0000000000000000 [ 43.688350][ T4021] x26: ffff0000c04958e0 x25: dfff800000000000 x24: 0000000000000000 [ 43.690550][ T4021] x23: ffff0000d1e72250 x22: fffffc0003483b08 x21: ffff80001b7f71a0 [ 43.692747][ T4021] x20: 1fffff8000690761 x19: fffffc0003483b00 x18: 0000000000000000 [ 43.694905][ T4021] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 43.697053][ T4021] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.699305][ T4021] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 43.701455][ T4021] x8 : ffff0000c1efb680 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 43.703641][ T4021] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 43.705865][ T4021] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.708089][ T4021] Call trace: [ 43.708982][ T4021] __test_set_page_writeback+0xa34/0xc34 [ 43.710543][ T4021] gfs2_aspace_writepage+0x548/0x710 [ 43.712027][ T4021] __writepage+0x70/0x120 [ 43.713145][ T4021] write_cache_pages+0x7c8/0xde4 [ 43.714487][ T4021] generic_writepages+0xf4/0x160 [ 43.715845][ T4021] gfs2_ail1_flush+0x884/0xeac [ 43.717142][ T4021] empty_ail1_list+0x100/0x1d4 [ 43.718463][ T4021] gfs2_log_flush+0x16c0/0x2078 [ 43.719718][ T4021] gfs2_kill_sb+0x5c/0xd4 [ 43.720936][ T4021] deactivate_locked_super+0xb8/0x13c [ 43.722449][ T4021] deactivate_super+0xf8/0x118 [ 43.723734][ T4021] cleanup_mnt+0x3a4/0x458 [ 43.724940][ T4021] __cleanup_mnt+0x20/0x30 [ 43.726076][ T4021] task_work_run+0x12c/0x1e0 [ 43.727333][ T4021] do_exit+0x67c/0x1f58 [ 43.728456][ T4021] do_group_exit+0x100/0x268 [ 43.729639][ T4021] __wake_up_parent+0x0/0x60 [ 43.730889][ T4021] invoke_syscall+0x98/0x2b8 [ 43.732132][ T4021] el0_svc_common+0x138/0x258 [ 43.733437][ T4021] do_el0_svc+0x58/0x14c [ 43.734576][ T4021] el0_svc+0x78/0x1e0 [ 43.735680][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 43.737090][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 43.738306][ T4021] irq event stamp: 149466 [ 43.739524][ T4021] hardirqs last enabled at (149465): [] lock_page_memcg+0x110/0x234 [ 43.742152][ T4021] hardirqs last disabled at (149466): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.744892][ T4021] softirqs last enabled at (149448): [] handle_softirqs+0xa4c/0xbf0 [ 43.747471][ T4021] softirqs last disabled at (149435): [] __irq_exit_rcu+0x240/0x440 [ 43.750127][ T4021] ---[ end trace aab1017884541501 ]--- [ 43.752530][ C0] ------------[ cut here ]------------ [ 43.754156][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 43.757259][ C0] Modules linked in: [ 43.758332][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 43.760936][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.763753][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.765851][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 43.767480][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 43.769075][ C0] sp : ffff80001b3179a0 [ 43.770262][ C0] x29: ffff80001b3179b0 x28: ffff0000cbdce000 x27: fffffc00032c2d48 [ 43.772454][ C0] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 43.774619][ C0] x23: ffff0000c04958e0 x22: 0000000000000001 x21: 0000000000000001 [ 43.776907][ C0] x20: ffff0000d1e72250 x19: fffffc0003483b00 x18: 0000000000000001 [ 43.779029][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 43.781197][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.783418][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 43.785618][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.787794][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 43.789989][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.792218][ C0] Call trace: [ 43.793078][ C0] test_clear_page_writeback+0x8d0/0xacc [ 43.794655][ C0] end_page_writeback+0x174/0x488 [ 43.796078][ C0] end_buffer_async_write+0x340/0x56c [ 43.797597][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 43.798929][ C0] bio_endio+0x744/0x788 [ 43.800095][ C0] blk_update_request+0x7a4/0x1100 [ 43.801561][ C0] blk_mq_end_request+0x54/0x88 [ 43.802876][ C0] lo_complete_rq+0x1ec/0x250 [ 43.804157][ C0] blk_done_softirq+0x11c/0x168 [ 43.805486][ C0] handle_softirqs+0x344/0xbf0 [ 43.806807][ C0] run_ksoftirqd+0x7c/0x2a0 [ 43.808023][ C0] smpboot_thread_fn+0x4b0/0x920 [ 43.809355][ C0] kthread+0x374/0x454 [ 43.810474][ C0] ret_from_fork+0x10/0x20 [ 43.811670][ C0] irq event stamp: 182283 [ 43.812841][ C0] hardirqs last enabled at (182282): [] lock_page_memcg+0x110/0x234 [ 43.815457][ C0] hardirqs last disabled at (182283): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.818211][ C0] softirqs last enabled at (182272): [] handle_softirqs+0xa4c/0xbf0 [ 43.820855][ C0] softirqs last disabled at (182277): [] run_ksoftirqd+0x7c/0x2a0 [ 43.823413][ C0] ---[ end trace aab1017884541502 ]---