Warning: Permanently added '10.128.0.197' (ED25519) to the list of known hosts. executing program [ 42.660457][ T4024] loop0: detected capacity change from 0 to 32768 [ 42.713919][ T4024] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.716269][ T4024] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.726847][ T4024] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 42.730484][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.732384][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.776797][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms [ 42.779338][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.781065][ T4024] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.849669][ T4024] 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 [ 46.819027][ T4028] ------------[ cut here ]------------ [ 46.820654][ T4028] WARNING: CPU: 0 PID: 4028 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 46.823494][ T4028] Modules linked in: [ 46.824569][ T4028] CPU: 0 PID: 4028 Comm: gfs2_quotad Not tainted 5.15.182-syzkaller #0 [ 46.826846][ T4028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 46.829666][ T4028] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 46.831779][ T4028] pc : __set_page_dirty+0x938/0xc74 [ 46.833159][ T4028] lr : __set_page_dirty+0x938/0xc74 [ 46.834587][ T4028] sp : ffff80001f0977a0 [ 46.835705][ T4028] x29: ffff80001f0977b0 x28: ffff0000c2c08000 x27: 0000000000000000 [ 46.837874][ T4028] x26: dfff800000000000 x25: 1fffe00018a3c9d9 x24: 0000000000000000 [ 46.840026][ T4028] x23: ffff0000c51e4ec8 x22: 0000000000000000 x21: 0000000000000001 [ 46.842220][ T4028] x20: ffff0000d5ed6250 x19: fffffc0003653a40 x18: 0000000000000000 [ 46.844353][ T4028] x17: ffff800016cdf000 x16: ffff8000082bdde4 x15: ffff8000167bf4c0 [ 46.846465][ T4028] x14: ffff0000dbf3c080 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 46.848693][ T4028] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d988 [ 46.850846][ T4028] x8 : ffff0000dbf3b680 x7 : ffff80000869d094 x6 : 0000000000000000 [ 46.852975][ T4028] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899cbec [ 46.855158][ T4028] x2 : ffff0000cc3a0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.857361][ T4028] Call trace: [ 46.858270][ T4028] __set_page_dirty+0x938/0xc74 [ 46.859604][ T4028] mark_buffer_dirty+0x27c/0x52c [ 46.860906][ T4028] gfs2_unpin+0x12c/0xc28 [ 46.862030][ T4028] buf_lo_after_commit+0x140/0x188 [ 46.863398][ T4028] gfs2_log_flush+0x13cc/0x2078 [ 46.864745][ T4028] do_sync+0x844/0xa4c [ 46.865846][ T4028] gfs2_quota_sync+0x2e8/0x548 [ 46.867147][ T4028] gfs2_quotad+0x304/0x700 [ 46.868302][ T4028] kthread+0x374/0x454 [ 46.869446][ T4028] ret_from_fork+0x10/0x20 [ 46.870615][ T4028] irq event stamp: 284 [ 46.871751][ T4028] hardirqs last enabled at (283): [] lock_page_memcg+0x110/0x234 [ 46.874229][ T4028] hardirqs last disabled at (284): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 46.876939][ T4028] softirqs last enabled at (0): [] copy_process+0x1118/0x34ec [ 46.879409][ T4028] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.881382][ T4028] ---[ end trace 5559ba898e78bc1a ]--- 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 executing program [ 51.856033][ T1757] ------------[ cut here ]------------ [ 51.857687][ T1757] WARNING: CPU: 1 PID: 1757 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 51.860524][ T1757] Modules linked in: [ 51.861534][ T1757] CPU: 1 PID: 1757 Comm: kworker/u4:6 Tainted: G W 5.15.182-syzkaller #0 [ 51.864166][ T1757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 51.866819][ T1757] Workqueue: writeback wb_workfn (flush-7:0) [ 51.868398][ T1757] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.870447][ T1757] pc : __test_set_page_writeback+0xa34/0xc34 [ 51.872074][ T1757] lr : __test_set_page_writeback+0xa34/0xc34 [ 51.873757][ T1757] sp : ffff800023bf6c00 [ 51.874835][ T1757] x29: ffff800023bf6ce0 x28: 0000000000000000 x27: 0000000000000000 [ 51.877003][ T1757] x26: ffff0000c51e4d20 x25: dfff800000000000 x24: 0000000000000000 [ 51.879208][ T1757] x23: ffff0000d5ed6ce0 x22: fffffc0003507808 x21: ffff800023bf6c60 [ 51.881292][ T1757] x20: 1fffff80006a0f01 x19: fffffc0003507800 x18: 0000000000000000 [ 51.883394][ T1757] x17: ffff800016cdf000 x16: ffff8000082bdde4 x15: ffff8000167bf4c0 [ 51.885534][ T1757] x14: ffff0000cdbb2540 x13: ffff0000cdbb25e0 x12: 0000000000ff0100 [ 51.887639][ T1757] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a04fc [ 51.889766][ T1757] x8 : ffff0000cdbb1b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.891919][ T1757] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000869ff78 [ 51.894038][ T1757] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.896160][ T1757] Call trace: [ 51.897010][ T1757] __test_set_page_writeback+0xa34/0xc34 [ 51.898526][ T1757] gfs2_aspace_writepage+0x548/0x710 [ 51.899960][ T1757] __writepage+0x70/0x120 [ 51.901118][ T1757] write_cache_pages+0x7c8/0xde4 [ 51.902450][ T1757] do_writepages+0x3cc/0x578 [ 51.903636][ T1757] filemap_fdatawrite_wbc+0x1d4/0x234 [ 51.905013][ T1757] filemap_fdatawrite+0xb0/0xf4 [ 51.906275][ T1757] gfs2_write_inode+0x2ec/0x3f4 [ 51.907560][ T1757] __writeback_single_inode+0x560/0x11f0 [ 51.909041][ T1757] writeback_sb_inodes+0x7fc/0x1378 [ 51.910407][ T1757] __writeback_inodes_wb+0x110/0x394 [ 51.911806][ T1757] wb_writeback+0x3ec/0xe44 [ 51.912992][ T1757] wb_workfn+0xa7c/0xdd8 [ 51.914176][ T1757] process_one_work+0x79c/0x1140 [ 51.915520][ T1757] worker_thread+0x8f4/0x101c [ 51.916787][ T1757] kthread+0x374/0x454 [ 51.917883][ T1757] ret_from_fork+0x10/0x20 [ 51.919062][ T1757] irq event stamp: 643560 [ 51.920191][ T1757] hardirqs last enabled at (643559): [] lock_page_memcg+0x110/0x234 [ 51.922893][ T1757] hardirqs last disabled at (643560): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.925694][ T1757] softirqs last enabled at (643400): [] handle_softirqs+0xa4c/0xbf0 [ 51.928320][ T1757] softirqs last disabled at (643339): [] __irq_exit_rcu+0x240/0x440 [ 51.930960][ T1757] ---[ end trace 5559ba898e78bc1b ]--- [ 51.934394][ C1] ------------[ cut here ]------------ [ 51.935913][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 51.938781][ C1] Modules linked in: [ 51.939793][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.182-syzkaller #0 executing program [ 51.942356][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 51.945034][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.947049][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 51.948612][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 51.950186][ C1] sp : ffff80001b3779a0 [ 51.951315][ C1] x29: ffff80001b3779b0 x28: ffff0000cc3a0000 x27: fffffc0003574708 [ 51.953406][ C1] x26: dfff800000000000 x25: 05ffc00000002090 x24: 0000000000000000 [ 51.955549][ C1] x23: ffff0000c51e4d20 x22: 0000000000000001 x21: 0000000000000001 [ 51.957734][ C1] x20: ffff0000d5ed6ce0 x19: fffffc0003507800 x18: 0000000000000001 [ 51.959847][ C1] x17: ffff800016cdf000 x16: ffff8000082bdde4 x15: ffff8000167bf4c0 [ 51.961937][ C1] x14: 00000000ffff8000 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 51.964043][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869f8cc [ 51.966142][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.968225][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 51.970390][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.972548][ C1] Call trace: [ 51.973415][ C1] test_clear_page_writeback+0x8d0/0xacc [ 51.974902][ C1] end_page_writeback+0x174/0x488 [ 51.976229][ C1] end_buffer_async_write+0x340/0x56c [ 51.977654][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 51.978989][ C1] bio_endio+0x744/0x788 [ 51.980145][ C1] blk_update_request+0x7a4/0x1100 [ 51.981541][ C1] blk_mq_end_request+0x54/0x88 [ 51.982823][ C1] lo_complete_rq+0x1ec/0x250 [ 51.984039][ C1] blk_done_softirq+0x11c/0x168 [ 51.985255][ C1] handle_softirqs+0x344/0xbf0 [ 51.986517][ C1] run_ksoftirqd+0x7c/0x2a0 [ 51.987729][ C1] smpboot_thread_fn+0x4b0/0x920 [ 51.989060][ C1] kthread+0x374/0x454 [ 51.990123][ C1] ret_from_fork+0x10/0x20 [ 51.991274][ C1] irq event stamp: 223349 [ 51.992414][ C1] hardirqs last enabled at (223348): [] lock_page_memcg+0x110/0x234 [ 51.995076][ C1] hardirqs last disabled at (223349): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.997844][ C1] softirqs last enabled at (223322): [] handle_softirqs+0xa4c/0xbf0 [ 52.000374][ C1] softirqs last disabled at (223327): [] run_ksoftirqd+0x7c/0x2a0 [ 52.002909][ C1] ---[ end trace 5559ba898e78bc1c ]--- 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