Warning: Permanently added '10.128.0.128' (ED25519) to the list of known hosts. executing program [ 44.499342][ T4021] loop0: detected capacity change from 0 to 32768 [ 44.609080][ T4021] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.611370][ T4021] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.629262][ T4021] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 44.634126][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.636148][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.675923][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 39ms [ 44.678812][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.680633][ T4021] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.807935][ T4021] ------------[ cut here ]------------ [ 44.809626][ T4021] WARNING: CPU: 1 PID: 4021 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 44.812304][ T4021] Modules linked in: [ 44.813362][ T4021] CPU: 1 PID: 4021 Comm: syz-executor307 Not tainted 5.15.185-syzkaller #0 [ 44.815775][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.818602][ T4021] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.820870][ T4021] pc : __set_page_dirty+0x938/0xc74 [ 44.822483][ T4021] lr : __set_page_dirty+0x938/0xc74 [ 44.824106][ T4021] sp : ffff80001b7f7760 [ 44.825297][ T4021] x29: ffff80001b7f7770 x28: ffff0000c1be0000 x27: 0000000000000000 [ 44.827649][ T4021] x26: dfff800000000000 x25: 1fffe000180a99d9 x24: 0000000000000000 [ 44.830052][ T4021] x23: ffff0000c054cec8 x22: 0000000000000000 x21: 0000000000000001 [ 44.832425][ T4021] x20: ffff0000cf70c2a0 x19: fffffc000356a600 x18: 1fffe0003422158e [ 44.834728][ T4021] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 44.837053][ T4021] x14: ffff0000ced0dbc0 x13: dfff800000000000 x12: 0000000000ff0100 [ 44.839396][ T4021] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 44.841708][ T4021] x8 : ffff0000ced0d1c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.844015][ T4021] x5 : ffff800016e2db18 x4 : 0000000000000008 x3 : ffff80000899ce68 [ 44.846452][ T4021] x2 : ffff0000cc318060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.848825][ T4021] Call trace: [ 44.849782][ T4021] __set_page_dirty+0x938/0xc74 [ 44.851201][ T4021] mark_buffer_dirty+0x27c/0x52c [ 44.852655][ T4021] gfs2_unpin+0x12c/0xc28 [ 44.853936][ T4021] buf_lo_after_commit+0x140/0x188 [ 44.855520][ T4021] gfs2_log_flush+0x13cc/0x2078 [ 44.856936][ T4021] gfs2_kill_sb+0x5c/0xd4 [ 44.858202][ T4021] deactivate_locked_super+0xb8/0x13c [ 44.859882][ T4021] deactivate_super+0xf8/0x118 [ 44.861258][ T4021] cleanup_mnt+0x3a4/0x458 [ 44.862583][ T4021] __cleanup_mnt+0x20/0x30 [ 44.863845][ T4021] task_work_run+0x12c/0x1e0 [ 44.865179][ T4021] do_exit+0x67c/0x1f58 [ 44.866383][ T4021] do_group_exit+0x100/0x268 [ 44.867719][ T4021] __wake_up_parent+0x0/0x60 [ 44.869067][ T4021] invoke_syscall+0x98/0x2b8 [ 44.870500][ T4021] el0_svc_common+0x138/0x258 [ 44.872009][ T4021] do_el0_svc+0x58/0x14c [ 44.873320][ T4021] el0_svc+0x78/0x1e0 [ 44.874521][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 44.875971][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 44.877285][ T4021] irq event stamp: 146226 [ 44.878635][ T4021] hardirqs last enabled at (146225): [] lock_page_memcg+0x110/0x234 [ 44.881455][ T4021] hardirqs last disabled at (146226): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.884494][ T4021] softirqs last enabled at (144050): [] local_bh_enable+0x10/0x34 [ 44.887282][ T4021] softirqs last disabled at (144048): [] local_bh_disable+0x10/0x34 [ 44.890067][ T4021] ---[ end trace 7a6e534dfd3953d6 ]--- [ 44.893586][ T4021] ------------[ cut here ]------------ [ 44.895151][ T4021] WARNING: CPU: 0 PID: 4021 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 44.898057][ T4021] Modules linked in: [ 44.899109][ T4021] CPU: 0 PID: 4021 Comm: syz-executor307 Tainted: G W 5.15.185-syzkaller #0 [ 44.901882][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.904718][ T4021] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.906957][ T4021] pc : __test_set_page_writeback+0xa34/0xc34 [ 44.908731][ T4021] lr : __test_set_page_writeback+0xa34/0xc34 [ 44.910634][ T4021] sp : ffff80001b7f7140 [ 44.911743][ T4021] x29: ffff80001b7f7220 x28: 0000000000000000 x27: 0000000000000000 [ 44.914056][ T4021] x26: ffff0000c054cd20 x25: dfff800000000000 x24: 0000000000000000 [ 44.916292][ T4021] x23: ffff0000cf70c2a0 x22: fffffc000356a608 x21: ffff80001b7f71a0 [ 44.918601][ T4021] x20: 1fffff80006ad4c1 x19: fffffc000356a600 x18: 0000000000000000 [ 44.920797][ T4021] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 44.923093][ T4021] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 44.925390][ T4021] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 44.927652][ T4021] x8 : ffff0000ced0d1c0 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 44.929930][ T4021] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 44.932121][ T4021] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.934405][ T4021] Call trace: [ 44.935282][ T4021] __test_set_page_writeback+0xa34/0xc34 [ 44.936866][ T4021] gfs2_aspace_writepage+0x548/0x710 [ 44.938341][ T4021] __writepage+0x70/0x120 [ 44.939524][ T4021] write_cache_pages+0x7c8/0xde4 [ 44.940915][ T4021] generic_writepages+0xf4/0x160 [ 44.942265][ T4021] gfs2_ail1_flush+0x884/0xeac [ 44.943580][ T4021] empty_ail1_list+0x100/0x1d4 [ 44.944904][ T4021] gfs2_log_flush+0x16c0/0x2078 [ 44.946284][ T4021] gfs2_kill_sb+0x5c/0xd4 [ 44.947522][ T4021] deactivate_locked_super+0xb8/0x13c [ 44.948990][ T4021] deactivate_super+0xf8/0x118 [ 44.950280][ T4021] cleanup_mnt+0x3a4/0x458 [ 44.951515][ T4021] __cleanup_mnt+0x20/0x30 [ 44.952690][ T4021] task_work_run+0x12c/0x1e0 [ 44.953971][ T4021] do_exit+0x67c/0x1f58 [ 44.955198][ T4021] do_group_exit+0x100/0x268 [ 44.956489][ T4021] __wake_up_parent+0x0/0x60 [ 44.957786][ T4021] invoke_syscall+0x98/0x2b8 [ 44.959108][ T4021] el0_svc_common+0x138/0x258 [ 44.960365][ T4021] do_el0_svc+0x58/0x14c [ 44.961551][ T4021] el0_svc+0x78/0x1e0 [ 44.962640][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 44.964049][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 44.965273][ T4021] irq event stamp: 146274 [ 44.966426][ T4021] hardirqs last enabled at (146273): [] lock_page_memcg+0x110/0x234 [ 44.969187][ T4021] hardirqs last disabled at (146274): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.971990][ T4021] softirqs last enabled at (146258): [] handle_softirqs+0xa4c/0xbf0 [ 44.974760][ T4021] softirqs last disabled at (146231): [] __irq_exit_rcu+0x240/0x440 [ 44.977347][ T4021] ---[ end trace 7a6e534dfd3953d7 ]--- [ 44.980214][ C0] ------------[ cut here ]------------ [ 44.981793][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 44.984648][ C0] Modules linked in: [ 44.985692][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 44.988311][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.991287][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.993508][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 44.995152][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 44.996854][ C0] sp : ffff80001b3179a0 [ 44.998209][ C0] x29: ffff80001b3179b0 x28: ffff0000cc318000 x27: fffffc00037006c8 [ 45.000460][ C0] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 45.002754][ C0] x23: ffff0000c054cd20 x22: 0000000000000001 x21: 0000000000000001 [ 45.005075][ C0] x20: ffff0000cf70c2a0 x19: fffffc000356a600 x18: 0000000000000001 [ 45.007381][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 45.009585][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 45.011810][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 45.014080][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.016369][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 45.018627][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.020907][ C0] Call trace: [ 45.021837][ C0] test_clear_page_writeback+0x8d0/0xacc [ 45.023489][ C0] end_page_writeback+0x174/0x488 [ 45.024905][ C0] end_buffer_async_write+0x340/0x56c [ 45.026411][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 45.027818][ C0] bio_endio+0x744/0x788 [ 45.029005][ C0] blk_update_request+0x7a4/0x1100 [ 45.030415][ C0] blk_mq_end_request+0x54/0x88 [ 45.031813][ C0] lo_complete_rq+0x1ec/0x250 [ 45.033100][ C0] blk_done_softirq+0x11c/0x168 [ 45.034420][ C0] handle_softirqs+0x344/0xbf0 [ 45.035831][ C0] run_ksoftirqd+0x7c/0x2a0 [ 45.037131][ C0] smpboot_thread_fn+0x4b0/0x920 [ 45.038508][ C0] kthread+0x374/0x454 [ 45.039696][ C0] ret_from_fork+0x10/0x20 [ 45.040932][ C0] irq event stamp: 225041 [ 45.042311][ C0] hardirqs last enabled at (225040): [] lock_page_memcg+0x110/0x234 [ 45.044978][ C0] hardirqs last disabled at (225041): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 45.047948][ C0] softirqs last enabled at (225030): [] handle_softirqs+0xa4c/0xbf0 [ 45.050623][ C0] softirqs last disabled at (225035): [] run_ksoftirqd+0x7c/0x2a0 [ 45.053231][ C0] ---[ end trace 7a6e534dfd3953d8 ]---