Warning: Permanently added '10.128.0.10' (ED25519) to the list of known hosts. executing program [ 42.596767][ T4023] loop0: detected capacity change from 0 to 32768 [ 42.676377][ T4023] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.678772][ T4023] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.687779][ T4023] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 42.692855][ T1533] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.694895][ T1533] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.725059][ T1533] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 30ms [ 42.727885][ T1533] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.729842][ T4023] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.835942][ T4023] gfs2: fsid=syz:syz.0: found 1 quota changes executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 46.835842][ T4027] ------------[ cut here ]------------ [ 46.837554][ T4027] WARNING: CPU: 0 PID: 4027 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 46.840320][ T4027] Modules linked in: [ 46.841320][ T4027] CPU: 0 PID: 4027 Comm: gfs2_quotad Not tainted 5.15.185-syzkaller #0 [ 46.843675][ T4027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 46.846484][ T4027] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 46.848692][ T4027] pc : __set_page_dirty+0x938/0xc74 [ 46.850130][ T4027] lr : __set_page_dirty+0x938/0xc74 [ 46.851580][ T4027] sp : ffff80001f4f77a0 [ 46.852695][ T4027] x29: ffff80001f4f77b0 x28: ffff0000dd8f4000 x27: 0000000000000000 [ 46.854823][ T4027] x26: dfff800000000000 x25: 1fffe00018093b51 x24: 0000000000000000 [ 46.857024][ T4027] x23: ffff0000c049da88 x22: 0000000000000000 x21: 0000000000000001 [ 46.859289][ T4027] x20: ffff0000d99ce250 x19: fffffc000322adc0 x18: 0000000000000000 [ 46.861614][ T4027] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 46.863786][ T4027] x14: ffff0000c13bc080 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 46.866014][ T4027] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 46.868206][ T4027] x8 : ffff0000c13bb680 x7 : ffff80000869d2b0 x6 : 0000000000000000 [ 46.870551][ T4027] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899ce68 [ 46.872874][ T4027] x2 : ffff0000cc328060 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.875148][ T4027] Call trace: [ 46.876042][ T4027] __set_page_dirty+0x938/0xc74 [ 46.877411][ T4027] mark_buffer_dirty+0x27c/0x52c [ 46.878913][ T4027] gfs2_unpin+0x12c/0xc28 [ 46.880204][ T4027] buf_lo_after_commit+0x140/0x188 [ 46.881680][ T4027] gfs2_log_flush+0x13cc/0x2078 [ 46.883114][ T4027] do_sync+0x844/0xa4c [ 46.884234][ T4027] gfs2_quota_sync+0x2e8/0x548 [ 46.885555][ T4027] gfs2_quotad+0x304/0x700 [ 46.886786][ T4027] kthread+0x374/0x454 [ 46.887919][ T4027] ret_from_fork+0x10/0x20 [ 46.889144][ T4027] irq event stamp: 296 [ 46.890290][ T4027] hardirqs last enabled at (295): [] lock_page_memcg+0x110/0x234 [ 46.892919][ T4027] hardirqs last disabled at (296): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 46.895672][ T4027] softirqs last enabled at (0): [] copy_process+0x111c/0x34ac [ 46.898372][ T4027] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.900452][ T4027] ---[ end trace b4633c60037f3b95 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.872286][ T9] ------------[ cut here ]------------ [ 51.874007][ T9] WARNING: CPU: 1 PID: 9 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 51.876914][ T9] Modules linked in: [ 51.877961][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Tainted: G W 5.15.185-syzkaller #0 [ 51.880463][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 51.883223][ T9] Workqueue: writeback wb_workfn (flush-7:0) [ 51.884935][ T9] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.887104][ T9] pc : __test_set_page_writeback+0xa34/0xc34 [ 51.888763][ T9] lr : __test_set_page_writeback+0xa34/0xc34 [ 51.890521][ T9] sp : ffff80001b2c6c00 [ 51.891745][ T9] x29: ffff80001b2c6ce0 x28: 0000000000000000 x27: 0000000000000000 [ 51.894022][ T9] x26: ffff0000c049d8e0 x25: dfff800000000000 x24: 0000000000000000 [ 51.896229][ T9] x23: ffff0000d60f07e8 x22: fffffc0003290bc8 x21: ffff80001b2c6c60 [ 51.898462][ T9] x20: 1fffff8000652179 x19: fffffc0003290bc0 x18: 0000000000000000 [ 51.900692][ T9] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 51.902872][ T9] x14: ffff0000c0950a00 x13: ffff0000c0950aa0 x12: 0000000000ff0100 [ 51.905108][ T9] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 51.907373][ T9] x8 : ffff0000c0950000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.909773][ T9] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086a0194 [ 51.911990][ T9] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.914119][ T9] Call trace: [ 51.915146][ T9] __test_set_page_writeback+0xa34/0xc34 [ 51.916738][ T9] gfs2_aspace_writepage+0x548/0x710 [ 51.918133][ T9] __writepage+0x70/0x120 [ 51.919397][ T9] write_cache_pages+0x7c8/0xde4 [ 51.920816][ T9] do_writepages+0x3cc/0x578 [ 51.922036][ T9] filemap_fdatawrite_wbc+0x1d4/0x234 [ 51.923544][ T9] filemap_fdatawrite+0xb0/0xf4 [ 51.924916][ T9] gfs2_write_inode+0x2ec/0x3f4 [ 51.926245][ T9] __writeback_single_inode+0x560/0x11f0 [ 51.927829][ T9] writeback_sb_inodes+0x7fc/0x1378 [ 51.929347][ T9] __writeback_inodes_wb+0x110/0x394 [ 51.930884][ T9] wb_writeback+0x3ec/0xe44 [ 51.932196][ T9] wb_workfn+0xa7c/0xdd8 [ 51.933407][ T9] process_one_work+0x79c/0x1140 [ 51.934756][ T9] worker_thread+0x8f4/0x101c [ 51.936030][ T9] kthread+0x374/0x454 [ 51.937146][ T9] ret_from_fork+0x10/0x20 [ 51.938360][ T9] irq event stamp: 90244 [ 51.939593][ T9] hardirqs last enabled at (90243): [] lock_page_memcg+0x110/0x234 [ 51.942244][ T9] hardirqs last disabled at (90244): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.945100][ T9] softirqs last enabled at (87668): [] neigh_periodic_work+0xb58/0xc24 [ 51.947919][ T9] softirqs last disabled at (87664): [] neigh_periodic_work+0x104/0xc24 [ 51.950659][ T9] ---[ end trace b4633c60037f3b96 ]--- executing program [ 51.964461][ C0] ------------[ cut here ]------------ [ 51.966147][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 51.968930][ C0] Modules linked in: [ 51.969994][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 51.972557][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 51.975379][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.977486][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 51.979175][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 51.980740][ C0] sp : ffff80001b3179a0 [ 51.981945][ C0] x29: ffff80001b3179b0 x28: ffff0000cc328000 x27: fffffc000377c4c8 [ 51.984237][ C0] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 51.986589][ C0] x23: ffff0000c049d8e0 x22: 0000000000000001 x21: 0000000000000001 [ 51.988898][ C0] x20: ffff0000d60f07e8 x19: fffffc0003290bc0 x18: 0000000000000001 [ 51.991222][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 51.993601][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 51.995811][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 51.998081][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.000304][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 52.002516][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.004719][ C0] Call trace: [ 52.005621][ C0] test_clear_page_writeback+0x8d0/0xacc [ 52.007183][ C0] end_page_writeback+0x174/0x488 [ 52.008620][ C0] end_buffer_async_write+0x340/0x56c [ 52.010156][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 52.011543][ C0] bio_endio+0x744/0x788 [ 52.012713][ C0] blk_update_request+0x7a4/0x1100 [ 52.014107][ C0] blk_mq_end_request+0x54/0x88 [ 52.015459][ C0] lo_complete_rq+0x1ec/0x250 [ 52.016796][ C0] blk_done_softirq+0x11c/0x168 [ 52.018108][ C0] handle_softirqs+0x344/0xbf0 [ 52.019474][ C0] run_ksoftirqd+0x7c/0x2a0 [ 52.020764][ C0] smpboot_thread_fn+0x4b0/0x920 [ 52.022241][ C0] kthread+0x374/0x454 [ 52.023394][ C0] ret_from_fork+0x10/0x20 [ 52.024709][ C0] irq event stamp: 162503 [ 52.025858][ C0] hardirqs last enabled at (162502): [] lock_page_memcg+0x110/0x234 [ 52.028508][ C0] hardirqs last disabled at (162503): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 52.031350][ C0] softirqs last enabled at (162492): [] handle_softirqs+0xa4c/0xbf0 [ 52.034068][ C0] softirqs last disabled at (162497): [] run_ksoftirqd+0x7c/0x2a0 [ 52.036751][ C0] ---[ end trace b4633c60037f3b97 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program