Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. executing program [ 44.017022][ T4021] loop0: detected capacity change from 0 to 32768 [ 44.111696][ T4021] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.114022][ T4021] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.123664][ T4021] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 44.128405][ T3604] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.130371][ T3604] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.174557][ T3604] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms [ 44.176999][ T3604] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.178762][ T4021] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.256598][ T4021] gfs2: fsid=syz:syz.0: found 1 quota changes [ 44.272494][ T4021] ------------[ cut here ]------------ [ 44.274062][ T4021] WARNING: CPU: 1 PID: 4021 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 44.276739][ T4021] Modules linked in: [ 44.277787][ T4021] CPU: 1 PID: 4021 Comm: syz-executor242 Not tainted 5.15.185-syzkaller #0 [ 44.280030][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.282772][ T4021] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.284861][ T4021] pc : __set_page_dirty+0x938/0xc74 [ 44.286279][ T4021] lr : __set_page_dirty+0x938/0xc74 [ 44.287715][ T4021] sp : ffff80001f087460 [ 44.288769][ T4021] x29: ffff80001f087470 x28: ffff0000c0f98000 x27: 0000000000000000 [ 44.290832][ T4021] x26: dfff800000000000 x25: 1fffe00018a57b51 x24: 0000000000000000 [ 44.293012][ T4021] x23: ffff0000c52bda88 x22: 0000000000000000 x21: 0000000000000001 [ 44.295175][ T4021] x20: ffff0000dcd0cd30 x19: fffffc0003482f80 x18: 0000000000000002 [ 44.297507][ T4021] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 44.299714][ T4021] x14: ffff0000c1e02540 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 44.301828][ T4021] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 44.303942][ T4021] x8 : ffff0000c1e01b40 x7 : ffff80000869d2b0 x6 : 0000000000000000 [ 44.306062][ T4021] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899ce68 [ 44.308249][ T4021] x2 : ffff0000cc34c060 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.310389][ T4021] Call trace: [ 44.311233][ T4021] __set_page_dirty+0x938/0xc74 [ 44.312506][ T4021] mark_buffer_dirty+0x27c/0x52c [ 44.313847][ T4021] gfs2_unpin+0x12c/0xc28 [ 44.315029][ T4021] buf_lo_after_commit+0x140/0x188 [ 44.316409][ T4021] gfs2_log_flush+0x13cc/0x2078 [ 44.317682][ T4021] do_sync+0x844/0xa4c [ 44.318791][ T4021] gfs2_quota_sync+0x2e8/0x548 [ 44.320067][ T4021] gfs2_sync_fs+0x4c/0xc4 [ 44.321217][ T4021] sync_filesystem+0xe8/0x218 [ 44.322491][ T4021] generic_shutdown_super+0x70/0x2f0 [ 44.323890][ T4021] kill_block_super+0x70/0xdc [ 44.325188][ T4021] gfs2_kill_sb+0xc0/0xd4 [ 44.326332][ T4021] deactivate_locked_super+0xb8/0x13c [ 44.327779][ T4021] deactivate_super+0xf8/0x118 [ 44.329042][ T4021] cleanup_mnt+0x3a4/0x458 [ 44.330237][ T4021] __cleanup_mnt+0x20/0x30 [ 44.331361][ T4021] task_work_run+0x12c/0x1e0 [ 44.332605][ T4021] do_exit+0x67c/0x1f58 [ 44.333689][ T4021] do_group_exit+0x100/0x268 [ 44.334863][ T4021] __wake_up_parent+0x0/0x60 [ 44.336091][ T4021] invoke_syscall+0x98/0x2b8 [ 44.337343][ T4021] el0_svc_common+0x138/0x258 [ 44.338624][ T4021] do_el0_svc+0x58/0x14c [ 44.339853][ T4021] el0_svc+0x78/0x1e0 [ 44.341055][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 44.342421][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 44.343608][ T4021] irq event stamp: 133656 [ 44.344792][ T4021] hardirqs last enabled at (133655): [] lock_page_memcg+0x110/0x234 [ 44.347401][ T4021] hardirqs last disabled at (133656): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.350128][ T4021] softirqs last enabled at (133526): [] handle_softirqs+0xa4c/0xbf0 [ 44.352726][ T4021] softirqs last disabled at (133509): [] __irq_exit_rcu+0x240/0x440 [ 44.355353][ T4021] ---[ end trace 501a9cef425566f1 ]--- [ 44.358965][ T153] ------------[ cut here ]------------ [ 44.360451][ T153] WARNING: CPU: 1 PID: 153 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 44.363308][ T153] Modules linked in: [ 44.364287][ T153] CPU: 1 PID: 153 Comm: kworker/u4:3 Tainted: G W 5.15.185-syzkaller #0 [ 44.366826][ T153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.369404][ T153] Workqueue: writeback wb_workfn (flush-7:0) [ 44.371080][ T153] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.373143][ T153] pc : __test_set_page_writeback+0xa34/0xc34 [ 44.374770][ T153] lr : __test_set_page_writeback+0xa34/0xc34 [ 44.376429][ T153] sp : ffff80001be86cc0 [ 44.377499][ T153] x29: ffff80001be86da0 x28: 0000000000000000 x27: 0000000000000000 [ 44.379694][ T153] x26: ffff0000c52bd8e0 x25: dfff800000000000 x24: 0000000000000000 [ 44.381806][ T153] x23: ffff0000c94f9d08 x22: fffffc00032405c8 x21: ffff80001be86d20 [ 44.384017][ T153] x20: 1fffff80006480b9 x19: fffffc00032405c0 x18: 0000000000000000 [ 44.386231][ T153] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 44.388329][ T153] x14: ffff0000c2bf2540 x13: ffff0000c2bf25b8 x12: 0000000000ff0100 [ 44.390505][ T153] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 44.392631][ T153] x8 : ffff0000c2bf1b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.394758][ T153] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086a0194 [ 44.396916][ T153] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.399120][ T153] Call trace: [ 44.399983][ T153] __test_set_page_writeback+0xa34/0xc34 [ 44.401536][ T153] gfs2_aspace_writepage+0x548/0x710 [ 44.402938][ T153] __writepage+0x70/0x120 [ 44.404070][ T153] write_cache_pages+0x7c8/0xde4 [ 44.405419][ T153] do_writepages+0x3cc/0x578 [ 44.406662][ T153] filemap_fdatawrite_wbc+0x1d4/0x234 [ 44.408141][ T153] filemap_fdatawrite+0xb0/0xf4 [ 44.409462][ T153] gfs2_write_inode+0x2ec/0x3f4 [ 44.410812][ T153] __writeback_single_inode+0x560/0x11f0 [ 44.412338][ T153] writeback_sb_inodes+0x7fc/0x1378 [ 44.413740][ T153] wb_writeback+0x3d8/0xe44 [ 44.414939][ T153] wb_workfn+0x350/0xdd8 [ 44.416084][ T153] process_one_work+0x79c/0x1140 [ 44.417408][ T153] worker_thread+0x8f4/0x101c [ 44.418665][ T153] kthread+0x374/0x454 [ 44.419744][ T153] ret_from_fork+0x10/0x20 [ 44.421001][ T153] irq event stamp: 623260 [ 44.422192][ T153] hardirqs last enabled at (623259): [] lock_page_memcg+0x110/0x234 [ 44.424803][ T153] hardirqs last disabled at (623260): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.427509][ T153] softirqs last enabled at (623218): [] handle_softirqs+0xa4c/0xbf0 [ 44.430165][ T153] softirqs last disabled at (623207): [] __irq_exit_rcu+0x240/0x440 [ 44.432771][ T153] ---[ end trace 501a9cef425566f2 ]--- [ 44.440068][ C0] ------------[ cut here ]------------ [ 44.441812][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 44.444570][ C0] Modules linked in: [ 44.445602][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 44.448094][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 44.450819][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.452960][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 44.454606][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 44.456169][ C0] sp : ffff80001b3179a0 [ 44.457271][ C0] x29: ffff80001b3179b0 x28: ffff0000cc34c000 x27: fffffc000304f608 [ 44.459324][ C0] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 44.461487][ C0] x23: ffff0000c52bd8e0 x22: 0000000000000001 x21: 0000000000000001 [ 44.463681][ C0] x20: ffff0000c94f9d08 x19: fffffc00032405c0 x18: 0000000000000001 [ 44.465833][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 44.468113][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 44.470363][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 44.472511][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 44.474793][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 44.476972][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 44.479167][ C0] Call trace: [ 44.480035][ C0] test_clear_page_writeback+0x8d0/0xacc [ 44.481673][ C0] end_page_writeback+0x174/0x488 [ 44.483078][ C0] end_buffer_async_write+0x340/0x56c [ 44.484588][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 44.485912][ C0] bio_endio+0x744/0x788 [ 44.487053][ C0] blk_update_request+0x7a4/0x1100 [ 44.488446][ C0] blk_mq_end_request+0x54/0x88 [ 44.489748][ C0] lo_complete_rq+0x1ec/0x250 [ 44.490969][ C0] blk_done_softirq+0x11c/0x168 [ 44.492235][ C0] handle_softirqs+0x344/0xbf0 [ 44.493532][ C0] run_ksoftirqd+0x7c/0x2a0 [ 44.494737][ C0] smpboot_thread_fn+0x4b0/0x920 [ 44.496060][ C0] kthread+0x374/0x454 [ 44.497174][ C0] ret_from_fork+0x10/0x20 [ 44.498367][ C0] irq event stamp: 208819 [ 44.499521][ C0] hardirqs last enabled at (208818): [] lock_page_memcg+0x110/0x234 [ 44.502247][ C0] hardirqs last disabled at (208819): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 44.504962][ C0] softirqs last enabled at (208808): [] handle_softirqs+0xa4c/0xbf0 [ 44.507646][ C0] softirqs last disabled at (208813): [] run_ksoftirqd+0x7c/0x2a0 [ 44.510124][ C0] ---[ end trace 501a9cef425566f3 ]---