Warning: Permanently added '10.128.1.6' (ED25519) to the list of known hosts. executing program [ 44.216325][ T4023] loop0: detected capacity change from 0 to 32768 [ 44.299747][ T4023] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.302109][ T4023] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.323304][ T4023] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.328944][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.330988][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.362055][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 31ms [ 44.364855][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.366639][ T4023] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.510323][ T4023] ------------[ cut here ]------------ [ 44.512095][ T4023] WARNING: CPU: 0 PID: 4023 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 44.514830][ T4023] Modules linked in: [ 44.515868][ T4023] CPU: 0 PID: 4023 Comm: syz-executor661 Not tainted 5.15.185-syzkaller #0 [ 44.518468][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.521270][ T4023] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.523432][ T4023] pc : __set_page_dirty+0x938/0xc74 [ 44.524881][ T4023] lr : __set_page_dirty+0x938/0xc74 [ 44.526268][ T4023] sp : ffff80001bfc7760 [ 44.527369][ T4023] x29: ffff80001bfc7770 x28: ffff0000db0d4000 x27: 0000000000000000 [ 44.529587][ T4023] x26: dfff800000000000 x25: 1fffe00018092b51 x24: 0000000000000000 [ 44.531834][ T4023] x23: ffff0000c0495a88 x22: 0000000000000000 x21: 0000000000000001 [ 44.534093][ T4023] x20: ffff0000cea05278 x19: fffffc00034097c0 x18: 1fffe0003421d38e [ 44.536398][ T4023] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 44.538601][ T4023] x14: ffff0000da875bc0 x13: ffff0000da875c38 x12: 0000000000ff0100 [ 44.540754][ T4023] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 44.543140][ T4023] x8 : ffff0000da8751c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.545479][ T4023] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 44.547770][ T4023] x2 : ffff0000cc202060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.550019][ T4023] Call trace: [ 44.550964][ T4023] __set_page_dirty+0x938/0xc74 [ 44.552236][ T4023] mark_buffer_dirty+0x27c/0x52c [ 44.553605][ T4023] gfs2_unpin+0x12c/0xc28 [ 44.554784][ T4023] buf_lo_after_commit+0x140/0x188 [ 44.556261][ T4023] gfs2_log_flush+0x13cc/0x2078 [ 44.557612][ T4023] gfs2_kill_sb+0x5c/0xd4 [ 44.558784][ T4023] deactivate_locked_super+0xb8/0x13c [ 44.560308][ T4023] deactivate_super+0xf8/0x118 [ 44.561587][ T4023] cleanup_mnt+0x3a4/0x458 [ 44.562881][ T4023] __cleanup_mnt+0x20/0x30 [ 44.564089][ T4023] task_work_run+0x12c/0x1e0 [ 44.565401][ T4023] do_exit+0x67c/0x1f58 [ 44.566556][ T4023] do_group_exit+0x100/0x268 [ 44.567868][ T4023] __wake_up_parent+0x0/0x60 [ 44.569205][ T4023] invoke_syscall+0x98/0x2b8 [ 44.570478][ T4023] el0_svc_common+0x138/0x258 [ 44.571877][ T4023] do_el0_svc+0x58/0x14c [ 44.573085][ T4023] el0_svc+0x78/0x1e0 [ 44.574207][ T4023] el0t_64_sync_handler+0xcc/0xe4 [ 44.575612][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 44.576888][ T4023] irq event stamp: 146526 [ 44.578077][ T4023] hardirqs last enabled at (146525): [] lock_page_memcg+0x110/0x234 [ 44.580766][ T4023] hardirqs last disabled at (146526): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.583554][ T4023] softirqs last enabled at (146066): [] handle_softirqs+0xa4c/0xbf0 [ 44.586234][ T4023] softirqs last disabled at (146053): [] __irq_exit_rcu+0x240/0x440 [ 44.588919][ T4023] ---[ end trace 1579f1da72208ead ]--- [ 44.594204][ T4023] ------------[ cut here ]------------ [ 44.595794][ T4023] WARNING: CPU: 0 PID: 4023 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 44.598835][ T4023] Modules linked in: [ 44.599954][ T4023] CPU: 0 PID: 4023 Comm: syz-executor661 Tainted: G W 5.15.185-syzkaller #0 [ 44.602719][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.605524][ T4023] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.607626][ T4023] pc : __test_set_page_writeback+0xa34/0xc34 [ 44.609237][ T4023] lr : __test_set_page_writeback+0xa34/0xc34 [ 44.610895][ T4023] sp : ffff80001bfc7140 [ 44.611994][ T4023] x29: ffff80001bfc7220 x28: 0000000000000000 x27: 0000000000000000 [ 44.614238][ T4023] x26: ffff0000c04958e0 x25: dfff800000000000 x24: 0000000000000000 [ 44.616484][ T4023] x23: ffff0000cea05278 x22: fffffc00034097c8 x21: ffff80001bfc71a0 [ 44.618732][ T4023] x20: 1fffff80006812f9 x19: fffffc00034097c0 x18: 0000000000000000 [ 44.620971][ T4023] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 44.623125][ T4023] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 44.625369][ T4023] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 44.627555][ T4023] x8 : ffff0000da8751c0 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 44.629898][ T4023] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 44.632080][ T4023] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.634306][ T4023] Call trace: [ 44.635233][ T4023] __test_set_page_writeback+0xa34/0xc34 [ 44.636780][ T4023] gfs2_aspace_writepage+0x548/0x710 [ 44.638262][ T4023] __writepage+0x70/0x120 [ 44.639493][ T4023] write_cache_pages+0x7c8/0xde4 [ 44.640885][ T4023] generic_writepages+0xf4/0x160 [ 44.642315][ T4023] gfs2_ail1_flush+0x884/0xeac [ 44.643699][ T4023] empty_ail1_list+0x100/0x1d4 [ 44.645077][ T4023] gfs2_log_flush+0x16c0/0x2078 [ 44.646460][ T4023] gfs2_kill_sb+0x5c/0xd4 [ 44.647712][ T4023] deactivate_locked_super+0xb8/0x13c [ 44.649230][ T4023] deactivate_super+0xf8/0x118 [ 44.650480][ T4023] cleanup_mnt+0x3a4/0x458 [ 44.651810][ T4023] __cleanup_mnt+0x20/0x30 [ 44.653050][ T4023] task_work_run+0x12c/0x1e0 [ 44.654301][ T4023] do_exit+0x67c/0x1f58 [ 44.655651][ T4023] do_group_exit+0x100/0x268 [ 44.656989][ T4023] __wake_up_parent+0x0/0x60 [ 44.658383][ T4023] invoke_syscall+0x98/0x2b8 [ 44.659719][ T4023] el0_svc_common+0x138/0x258 [ 44.660987][ T4023] do_el0_svc+0x58/0x14c [ 44.662195][ T4023] el0_svc+0x78/0x1e0 [ 44.663354][ T4023] el0t_64_sync_handler+0xcc/0xe4 [ 44.664741][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 44.666009][ T4023] irq event stamp: 146576 [ 44.667220][ T4023] hardirqs last enabled at (146575): [] lock_page_memcg+0x110/0x234 [ 44.669952][ T4023] hardirqs last disabled at (146576): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.672723][ T4023] softirqs last enabled at (146554): [] handle_softirqs+0xa4c/0xbf0 [ 44.675427][ T4023] softirqs last disabled at (146529): [] __irq_exit_rcu+0x240/0x440 [ 44.678098][ T4023] ---[ end trace 1579f1da72208eae ]--- [ 44.682470][ C0] ------------[ cut here ]------------ [ 44.684100][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 44.686961][ C0] Modules linked in: [ 44.688121][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 44.690686][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.693455][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.695587][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 44.697372][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 44.699116][ C0] sp : ffff80001b3179a0 [ 44.700281][ C0] x29: ffff80001b3179b0 x28: ffff0000cc202000 x27: fffffc000321ddc8 [ 44.702525][ C0] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 44.704806][ C0] x23: ffff0000c04958e0 x22: 0000000000000001 x21: 0000000000000001 [ 44.707033][ C0] x20: ffff0000cea05278 x19: fffffc00034097c0 x18: 0000000000000001 [ 44.709172][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 44.711378][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 44.713607][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 44.715728][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.717929][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 44.720143][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.722296][ C0] Call trace: [ 44.723221][ C0] test_clear_page_writeback+0x8d0/0xacc [ 44.724786][ C0] end_page_writeback+0x174/0x488 [ 44.726166][ C0] end_buffer_async_write+0x340/0x56c [ 44.727671][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 44.729050][ C0] bio_endio+0x744/0x788 [ 44.730239][ C0] blk_update_request+0x7a4/0x1100 [ 44.731626][ C0] blk_mq_end_request+0x54/0x88 [ 44.733012][ C0] lo_complete_rq+0x1ec/0x250 [ 44.734274][ C0] blk_done_softirq+0x11c/0x168 [ 44.735590][ C0] handle_softirqs+0x344/0xbf0 [ 44.736888][ C0] run_ksoftirqd+0x7c/0x2a0 [ 44.738125][ C0] smpboot_thread_fn+0x4b0/0x920 [ 44.739488][ C0] kthread+0x374/0x454 [ 44.740585][ C0] ret_from_fork+0x10/0x20 [ 44.741767][ C0] irq event stamp: 183779 [ 44.742933][ C0] hardirqs last enabled at (183778): [] lock_page_memcg+0x110/0x234 [ 44.745469][ C0] hardirqs last disabled at (183779): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.748260][ C0] softirqs last enabled at (183768): [] handle_softirqs+0xa4c/0xbf0 [ 44.750957][ C0] softirqs last disabled at (183773): [] run_ksoftirqd+0x7c/0x2a0 [ 44.753505][ C0] ---[ end trace 1579f1da72208eaf ]---