Warning: Permanently added '10.128.0.126' (ED25519) to the list of known hosts. executing program [ 42.726667][ T4022] loop0: detected capacity change from 0 to 32768 [ 42.820799][ T4022] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.823188][ T4022] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.831032][ T4022] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 42.835291][ T25] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.837298][ T25] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.883201][ T25] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 45ms [ 42.885858][ T25] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.887653][ T4022] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.985965][ T4022] gfs2: fsid=syz:syz.0: found 1 quota changes [ 43.000685][ T4022] ------------[ cut here ]------------ [ 43.002362][ T4022] WARNING: CPU: 0 PID: 4022 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 43.005193][ T4022] Modules linked in: [ 43.006250][ T4022] CPU: 0 PID: 4022 Comm: syz-executor292 Not tainted 5.15.185-syzkaller #0 [ 43.008503][ T4022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.011253][ T4022] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.013433][ T4022] pc : __set_page_dirty+0x938/0xc74 [ 43.014860][ T4022] lr : __set_page_dirty+0x938/0xc74 [ 43.016310][ T4022] sp : ffff80001bf67460 [ 43.017408][ T4022] x29: ffff80001bf67470 x28: ffff0000c1b08000 x27: 0000000000000000 [ 43.019640][ T4022] x26: dfff800000000000 x25: 1fffe00018093b51 x24: 0000000000000000 [ 43.022016][ T4022] x23: ffff0000c049da88 x22: 0000000000000000 x21: 0000000000000001 [ 43.024299][ T4022] x20: ffff0000dab94d30 x19: fffffc00032c80c0 x18: 1fffe0003421d38e [ 43.026574][ T4022] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 43.028840][ T4022] x14: ffff0000c1caa540 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.031011][ T4022] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 43.033226][ T4022] x8 : ffff0000c1ca9b40 x7 : ffff80000869d2b0 x6 : 0000000000000000 [ 43.035477][ T4022] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899ce68 [ 43.037715][ T4022] x2 : ffff0000cc308060 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.039964][ T4022] Call trace: [ 43.040921][ T4022] __set_page_dirty+0x938/0xc74 [ 43.042276][ T4022] mark_buffer_dirty+0x27c/0x52c [ 43.043598][ T4022] gfs2_unpin+0x12c/0xc28 [ 43.044828][ T4022] buf_lo_after_commit+0x140/0x188 [ 43.046241][ T4022] gfs2_log_flush+0x13cc/0x2078 [ 43.047567][ T4022] do_sync+0x844/0xa4c [ 43.048682][ T4022] gfs2_quota_sync+0x2e8/0x548 [ 43.050054][ T4022] gfs2_sync_fs+0x4c/0xc4 [ 43.051309][ T4022] sync_filesystem+0xe8/0x218 [ 43.052652][ T4022] generic_shutdown_super+0x70/0x2f0 [ 43.054133][ T4022] kill_block_super+0x70/0xdc [ 43.055374][ T4022] gfs2_kill_sb+0xc0/0xd4 [ 43.056544][ T4022] deactivate_locked_super+0xb8/0x13c [ 43.058000][ T4022] deactivate_super+0xf8/0x118 [ 43.059445][ T4022] cleanup_mnt+0x3a4/0x458 [ 43.060616][ T4022] __cleanup_mnt+0x20/0x30 [ 43.061855][ T4022] task_work_run+0x12c/0x1e0 [ 43.063096][ T4022] do_exit+0x67c/0x1f58 [ 43.064232][ T4022] do_group_exit+0x100/0x268 [ 43.065477][ T4022] __wake_up_parent+0x0/0x60 [ 43.066755][ T4022] invoke_syscall+0x98/0x2b8 [ 43.068159][ T4022] el0_svc_common+0x138/0x258 [ 43.069491][ T4022] do_el0_svc+0x58/0x14c [ 43.070752][ T4022] el0_svc+0x78/0x1e0 [ 43.071885][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 43.073392][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 43.074659][ T4022] irq event stamp: 132802 [ 43.075883][ T4022] hardirqs last enabled at (132801): [] lock_page_memcg+0x110/0x234 [ 43.078529][ T4022] hardirqs last disabled at (132802): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.081387][ T4022] softirqs last enabled at (132678): [] handle_softirqs+0xa4c/0xbf0 [ 43.084044][ T4022] softirqs last disabled at (132637): [] __irq_exit_rcu+0x240/0x440 [ 43.086737][ T4022] ---[ end trace a4c035d5dcefa99d ]--- [ 43.089945][ T335] ------------[ cut here ]------------ [ 43.091508][ T335] WARNING: CPU: 1 PID: 335 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 43.094473][ T335] Modules linked in: [ 43.095533][ T335] CPU: 1 PID: 335 Comm: kworker/u4:4 Tainted: G W 5.15.185-syzkaller #0 [ 43.098257][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.101081][ T335] Workqueue: writeback wb_workfn (flush-7:0) [ 43.102782][ T335] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.104977][ T335] pc : __test_set_page_writeback+0xa34/0xc34 [ 43.106655][ T335] lr : __test_set_page_writeback+0xa34/0xc34 [ 43.108358][ T335] sp : ffff80001bee6cc0 [ 43.109481][ T335] x29: ffff80001bee6da0 x28: 0000000000000000 x27: 0000000000000000 [ 43.111749][ T335] x26: ffff0000c049d8e0 x25: dfff800000000000 x24: 0000000000000000 [ 43.114020][ T335] x23: ffff0000dbe45d08 x22: fffffc00032aa148 x21: ffff80001bee6d20 [ 43.116327][ T335] x20: 1fffff8000655429 x19: fffffc00032aa140 x18: 0000000000000000 [ 43.118540][ T335] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 43.120837][ T335] x14: ffff0000c5f2a540 x13: ffff0000c5f2a5b8 x12: 0000000000ff0100 [ 43.123015][ T335] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 43.125299][ T335] x8 : ffff0000c5f29b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.127556][ T335] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086a0194 [ 43.129769][ T335] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.131962][ T335] Call trace: [ 43.132844][ T335] __test_set_page_writeback+0xa34/0xc34 [ 43.134403][ T335] gfs2_aspace_writepage+0x548/0x710 [ 43.135827][ T335] __writepage+0x70/0x120 [ 43.136997][ T335] write_cache_pages+0x7c8/0xde4 [ 43.138385][ T335] do_writepages+0x3cc/0x578 [ 43.139648][ T335] filemap_fdatawrite_wbc+0x1d4/0x234 [ 43.141113][ T335] filemap_fdatawrite+0xb0/0xf4 [ 43.142425][ T335] gfs2_write_inode+0x2ec/0x3f4 [ 43.143716][ T335] __writeback_single_inode+0x560/0x11f0 [ 43.145290][ T335] writeback_sb_inodes+0x7fc/0x1378 [ 43.146657][ T335] wb_writeback+0x3d8/0xe44 [ 43.147960][ T335] wb_workfn+0x350/0xdd8 [ 43.149123][ T335] process_one_work+0x79c/0x1140 [ 43.150462][ T335] worker_thread+0x8f4/0x101c [ 43.151778][ T335] kthread+0x374/0x454 [ 43.152884][ T335] ret_from_fork+0x10/0x20 [ 43.154103][ T335] irq event stamp: 594654 [ 43.155290][ T335] hardirqs last enabled at (594653): [] lock_page_memcg+0x110/0x234 [ 43.157921][ T335] hardirqs last disabled at (594654): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.160781][ T335] softirqs last enabled at (593942): [] neigh_periodic_work+0xb58/0xc24 [ 43.163521][ T335] softirqs last disabled at (593938): [] neigh_periodic_work+0x104/0xc24 [ 43.166348][ T335] ---[ end trace a4c035d5dcefa99e ]--- [ 43.170130][ C0] ------------[ cut here ]------------ [ 43.171679][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 43.174650][ C0] Modules linked in: [ 43.175735][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 43.178325][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.181023][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.183319][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 43.185002][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 43.186699][ C0] sp : ffff80001b3179a0 [ 43.187882][ C0] x29: ffff80001b3179b0 x28: ffff0000cc308000 x27: 0000000000000000 [ 43.190090][ C0] x26: dfff800000000000 x25: 05ffc000000020a2 x24: 0000000000000000 [ 43.192251][ C0] x23: ffff0000c049d8e0 x22: 0000000000000001 x21: 0000000000000001 [ 43.194416][ C0] x20: ffff0000dbe45d08 x19: fffffc00032aa140 x18: 0000000000000001 [ 43.196631][ C0] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 43.198890][ C0] x14: 00000000ffff8000 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.201116][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 43.203376][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.205608][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 43.208028][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.210400][ C0] Call trace: [ 43.211339][ C0] test_clear_page_writeback+0x8d0/0xacc [ 43.212925][ C0] end_page_writeback+0x174/0x488 [ 43.214308][ C0] end_buffer_async_write+0x340/0x56c [ 43.215804][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 43.217199][ C0] bio_endio+0x744/0x788 [ 43.218393][ C0] blk_update_request+0x7a4/0x1100 [ 43.219917][ C0] blk_mq_end_request+0x54/0x88 [ 43.221293][ C0] lo_complete_rq+0x1ec/0x250 [ 43.222608][ C0] blk_done_softirq+0x11c/0x168 [ 43.224004][ C0] handle_softirqs+0x344/0xbf0 [ 43.225405][ C0] run_ksoftirqd+0x7c/0x2a0 [ 43.226615][ C0] smpboot_thread_fn+0x4b0/0x920 [ 43.228024][ C0] kthread+0x374/0x454 [ 43.229124][ C0] ret_from_fork+0x10/0x20 [ 43.230336][ C0] irq event stamp: 212817 [ 43.231476][ C0] hardirqs last enabled at (212816): [] lock_page_memcg+0x110/0x234 [ 43.234153][ C0] hardirqs last disabled at (212817): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.237016][ C0] softirqs last enabled at (212790): [] handle_softirqs+0xa4c/0xbf0 [ 43.239692][ C0] softirqs last disabled at (212795): [] run_ksoftirqd+0x7c/0x2a0 [ 43.242446][ C0] ---[ end trace a4c035d5dcefa99f ]---