Warning: Permanently added '10.128.0.64' (ED25519) to the list of known hosts. executing program [ 32.660528][ T4319] loop0: detected capacity change from 0 to 32768 [ 32.663562][ T4319] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 32.665267][ T4319] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 32.671763][ T4319] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 32.674141][ T3431] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 32.675306][ T3431] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 32.690155][ T3431] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 32.691678][ T3431] gfs2: fsid=syz:syz.0: jid=0: Done [ 32.692574][ T4319] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 32.772304][ T4319] ------------[ cut here ]------------ [ 32.773319][ T4319] WARNING: CPU: 0 PID: 4319 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 32.775090][ T4319] Modules linked in: [ 32.775761][ T4319] CPU: 0 PID: 4319 Comm: syz-executor139 Not tainted syzkaller #0 [ 32.777025][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 32.778722][ T4319] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 32.780044][ T4319] pc : __folio_mark_dirty+0x8a0/0xce0 [ 32.780937][ T4319] lr : __folio_mark_dirty+0x8a0/0xce0 [ 32.781895][ T4319] sp : ffff8000206a7700 [ 32.782589][ T4319] x29: ffff8000206a7720 x28: 1fffff8000666d28 x27: dfff800000000000 [ 32.784032][ T4319] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 32.785413][ T4319] x23: 0000000000000000 x22: fffffc0003336948 x21: 1fffe000180b17d2 [ 32.786819][ T4319] x20: ffff0000d45e87e8 x19: fffffc0003336940 x18: ffff800011abbcc0 [ 32.788155][ T4319] x17: ffff8000181fa000 x16: ffff8000082d0e30 x15: ffff800017cdafc0 [ 32.789586][ T4319] x14: ffff0000c7588a98 x13: ffff0000c7588b10 x12: 0000000000ff0100 [ 32.791009][ T4319] x11: ff008000086fb7d8 x10: 0000000000000000 x9 : ffff8000086fb7d8 [ 32.792383][ T4319] x8 : ffff0000c7588000 x7 : 0000000000000000 x6 : 0000000000000000 [ 32.793761][ T4319] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a460d0 [ 32.795087][ T4319] x2 : ffff0000ce7d6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 32.796310][ T4319] Call trace: [ 32.796831][ T4319] __folio_mark_dirty+0x8a0/0xce0 [ 32.797671][ T4319] mark_buffer_dirty+0x2b8/0x5cc [ 32.798537][ T4319] gfs2_unpin+0x120/0x914 [ 32.799248][ T4319] buf_lo_after_commit+0x140/0x188 [ 32.800072][ T4319] gfs2_log_flush+0xbc8/0x1aa0 [ 32.800867][ T4319] gfs2_kill_sb+0x5c/0xd4 [ 32.801669][ T4319] deactivate_locked_super+0xac/0x124 [ 32.802517][ T4319] deactivate_super+0xe8/0x108 [ 32.803259][ T4319] cleanup_mnt+0x37c/0x404 [ 32.803897][ T4319] __cleanup_mnt+0x20/0x30 [ 32.804626][ T4319] task_work_run+0x1ec/0x270 [ 32.805383][ T4319] do_exit+0x54c/0x19a8 [ 32.806066][ T4319] do_group_exit+0x194/0x22c [ 32.806796][ T4319] __wake_up_parent+0x0/0x60 [ 32.807576][ T4319] invoke_syscall+0x98/0x2bc [ 32.808359][ T4319] el0_svc_common+0x138/0x258 [ 32.809131][ T4319] do_el0_svc+0x58/0x13c [ 32.809813][ T4319] el0_svc+0x58/0x138 [ 32.810468][ T4319] el0t_64_sync_handler+0x84/0xf0 [ 32.811312][ T4319] el0t_64_sync+0x18c/0x190 [ 32.812067][ T4319] irq event stamp: 134276 [ 32.812731][ T4319] hardirqs last enabled at (134275): [] folio_memcg_lock+0xe8/0x1fc [ 32.814364][ T4319] hardirqs last disabled at (134276): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 32.815966][ T4319] softirqs last enabled at (132236): [] local_bh_enable+0x10/0x34 [ 32.817458][ T4319] softirqs last disabled at (132234): [] local_bh_disable+0x10/0x34 [ 32.818957][ T4319] ---[ end trace 0000000000000000 ]--- [ 32.820260][ T4319] ------------[ cut here ]------------ [ 32.821177][ T4319] WARNING: CPU: 0 PID: 4319 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 32.822904][ T4319] Modules linked in: [ 32.823583][ T4319] CPU: 0 PID: 4319 Comm: syz-executor139 Tainted: G W syzkaller #0 [ 32.824998][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 32.826365][ T4319] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 32.827592][ T4319] pc : __folio_start_writeback+0x868/0xa68 [ 32.828569][ T4319] lr : __folio_start_writeback+0x868/0xa68 [ 32.829590][ T4319] sp : ffff8000206a71a0 [ 32.830349][ T4319] x29: ffff8000206a7280 x28: dfff800000000000 x27: 0000000000000000 [ 32.831628][ T4319] x26: ffff7000040d4e3c x25: 0000000000000000 x24: ffff0000d45e87e8 [ 32.832848][ T4319] x23: ffff8000206a7200 x22: ffff0000c058bce8 x21: 0000000000000001 [ 32.834140][ T4319] x20: fffffc0003336948 x19: fffffc0003336940 x18: ffff800011abbcc0 [ 32.835383][ T4319] x17: ffff8000181fa000 x16: ffff8000082d0e30 x15: 0000000000000000 [ 32.836645][ T4319] x14: 0000000000000406 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 32.837886][ T4319] x11: ff008000086fdcf0 x10: 0000000000000000 x9 : ffff8000086fdcf0 [ 32.839200][ T4319] x8 : ffff0000c7588000 x7 : ffff8000086fd770 x6 : 0000000000000000 [ 32.840625][ T4319] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fd7b0 [ 32.842013][ T4319] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 32.843339][ T4319] Call trace: [ 32.843876][ T4319] __folio_start_writeback+0x868/0xa68 [ 32.844776][ T4319] set_page_writeback+0x5c/0x7c [ 32.845618][ T4319] gfs2_aspace_writepage+0x520/0x6e8 [ 32.846472][ T4319] __gfs2_writepage+0x70/0x18c [ 32.847227][ T4319] write_cache_pages+0x73c/0xdd4 [ 32.848004][ T4319] gfs2_ail1_flush+0x7c0/0xa00 [ 32.848726][ T4319] empty_ail1_list+0x110/0x1ec [ 32.849466][ T4319] gfs2_log_flush+0x1258/0x1aa0 [ 32.850274][ T4319] gfs2_kill_sb+0x5c/0xd4 [ 32.851003][ T4319] deactivate_locked_super+0xac/0x124 [ 32.851886][ T4319] deactivate_super+0xe8/0x108 [ 32.852693][ T4319] cleanup_mnt+0x37c/0x404 [ 32.853409][ T4319] __cleanup_mnt+0x20/0x30 [ 32.854131][ T4319] task_work_run+0x1ec/0x270 [ 32.854889][ T4319] do_exit+0x54c/0x19a8 [ 32.855598][ T4319] do_group_exit+0x194/0x22c [ 32.856372][ T4319] __wake_up_parent+0x0/0x60 [ 32.857143][ T4319] invoke_syscall+0x98/0x2bc [ 32.857937][ T4319] el0_svc_common+0x138/0x258 [ 32.858721][ T4319] do_el0_svc+0x58/0x13c [ 32.859406][ T4319] el0_svc+0x58/0x138 [ 32.860081][ T4319] el0t_64_sync_handler+0x84/0xf0 [ 32.860873][ T4319] el0t_64_sync+0x18c/0x190 [ 32.861567][ T4319] irq event stamp: 134512 [ 32.862271][ T4319] hardirqs last enabled at (134511): [] folio_memcg_lock+0xe8/0x1fc [ 32.863817][ T4319] hardirqs last disabled at (134512): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 32.865433][ T4319] softirqs last enabled at (134494): [] handle_softirqs+0xaf8/0xc6c [ 32.866926][ T4319] softirqs last disabled at (134279): [] __do_softirq+0x14/0x20 [ 32.868237][ T4319] ---[ end trace 0000000000000000 ]--- [ 32.869721][ C1] ------------[ cut here ]------------ [ 32.870704][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 32.872382][ C1] Modules linked in: [ 32.873003][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 32.874343][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 32.875934][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 32.877299][ C1] pc : __folio_end_writeback+0x7d4/0x9e0 [ 32.878249][ C1] lr : __folio_end_writeback+0x7d4/0x9e0 [ 32.879180][ C1] sp : ffff80001c937960 [ 32.879901][ C1] x29: ffff80001c937980 x28: dfff800000000000 x27: ffff0000c058bce8 [ 32.881251][ C1] x26: 0000000000000000 x25: 05ffd00000002052 x24: 1fffff8000681060 [ 32.882644][ C1] x23: 0000000000000001 x22: ffff0000daacc2a0 x21: ffff0000daacc2a8 [ 32.884032][ C1] x20: 0000000000000001 x19: fffffc0003408300 x18: ffff800011abbcc0 [ 32.885441][ C1] x17: 1fffe00033edbb7e x16: ffff8000082d0e30 x15: 0000000000000000 [ 32.886845][ C1] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 32.888241][ C1] x11: ff008000086fd27c x10: 0000000000000000 x9 : ffff8000086fd27c [ 32.889595][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 32.890959][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 32.892368][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 32.893752][ C1] Call trace: [ 32.894260][ C1] __folio_end_writeback+0x7d4/0x9e0 [ 32.895184][ C1] folio_end_writeback+0x12c/0x41c [ 32.896024][ C1] end_page_writeback+0x58/0x74 [ 32.896862][ C1] end_buffer_async_write+0x32c/0x508 [ 32.897777][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 32.898646][ C1] bio_endio+0x770/0x7b4 [ 32.899408][ C1] blk_update_request+0x49c/0xbec [ 32.900235][ C1] blk_mq_end_request+0x54/0x88 [ 32.901090][ C1] lo_complete_rq+0x1ec/0x250 [ 32.901871][ C1] blk_done_softirq+0x11c/0x168 [ 32.902680][ C1] handle_softirqs+0x318/0xc6c [ 32.903487][ C1] run_ksoftirqd+0x7c/0x2a0 [ 32.904232][ C1] smpboot_thread_fn+0x4b0/0x964 [ 32.905038][ C1] kthread+0x250/0x2d8 [ 32.905783][ C1] ret_from_fork+0x10/0x20 [ 32.906556][ C1] irq event stamp: 335097 [ 32.907285][ C1] hardirqs last enabled at (335096): [] folio_memcg_lock+0xe8/0x1fc [ 32.908958][ C1] hardirqs last disabled at (335097): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 32.910550][ C1] softirqs last enabled at (335086): [] handle_softirqs+0xaf8/0xc6c [ 32.912240][ C1] softirqs last disabled at (335091): [] run_ksoftirqd+0x7c/0x2a0 [ 32.913893][ C1] ---[ end trace 0000000000000000 ]---