Warning: Permanently added '10.128.0.229' (ED25519) to the list of known hosts. executing program [ 42.926323][ T4023] loop0: detected capacity change from 0 to 32768 [ 42.978965][ T4023] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.981371][ T4023] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.991375][ T4023] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 42.995340][ T1960] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.997312][ T1960] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 43.027697][ T1960] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 30ms [ 43.030492][ T1960] gfs2: fsid=syz:syz.0: jid=0: Done [ 43.032014][ T4023] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 43.124949][ 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 [ 47.064027][ T4027] ------------[ cut here ]------------ [ 47.065638][ T4027] WARNING: CPU: 1 PID: 4027 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 47.068208][ T4027] Modules linked in: [ 47.069260][ T4027] CPU: 1 PID: 4027 Comm: gfs2_quotad Not tainted 5.15.183-syzkaller #0 [ 47.071463][ T4027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 47.074148][ T4027] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 47.076115][ T4027] pc : __set_page_dirty+0x938/0xc74 [ 47.077513][ T4027] lr : __set_page_dirty+0x938/0xc74 [ 47.078917][ T4027] sp : ffff80001f0b77a0 [ 47.079993][ T4027] x29: ffff80001f0b77b0 x28: ffff0000da3fc000 x27: 0000000000000000 [ 47.082059][ T4027] x26: dfff800000000000 x25: 1fffe00018093b51 x24: 0000000000000000 [ 47.084160][ T4027] x23: ffff0000c049da88 x22: 0000000000000000 x21: 0000000000000001 [ 47.086241][ T4027] x20: ffff0000cf052250 x19: fffffc000333f740 x18: 0000000000000000 [ 47.088419][ T4027] x17: ffff800016cdf000 x16: ffff8000082bddf8 x15: ffff8000167bf4c0 [ 47.090490][ T4027] x14: ffff0000da74dbc0 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 47.092582][ T4027] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d99c [ 47.094769][ T4027] x8 : ffff0000da74d1c0 x7 : ffff80000869d0a8 x6 : 0000000000000000 [ 47.096874][ T4027] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899cc04 [ 47.099086][ T4027] x2 : ffff0000cbbb0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.101261][ T4027] Call trace: [ 47.102113][ T4027] __set_page_dirty+0x938/0xc74 [ 47.103434][ T4027] mark_buffer_dirty+0x27c/0x52c [ 47.104741][ T4027] gfs2_unpin+0x12c/0xc28 [ 47.105868][ T4027] buf_lo_after_commit+0x140/0x188 [ 47.107205][ T4027] gfs2_log_flush+0x13cc/0x2078 [ 47.108562][ T4027] do_sync+0x844/0xa4c [ 47.109635][ T4027] gfs2_quota_sync+0x2e8/0x548 [ 47.110849][ T4027] gfs2_quotad+0x304/0x700 [ 47.112031][ T4027] kthread+0x374/0x454 [ 47.113070][ T4027] ret_from_fork+0x10/0x20 [ 47.114215][ T4027] irq event stamp: 284 [ 47.115270][ T4027] hardirqs last enabled at (283): [] lock_page_memcg+0x110/0x234 [ 47.117724][ T4027] hardirqs last disabled at (284): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 47.120343][ T4027] softirqs last enabled at (0): [] copy_process+0x1118/0x34ec [ 47.122741][ T4027] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.124586][ T4027] ---[ end trace a727b520fc9c6f17 ]--- 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 [ 52.100864][ T136] ------------[ cut here ]------------ [ 52.102421][ T136] WARNING: CPU: 0 PID: 136 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 52.105274][ T136] Modules linked in: [ 52.106219][ T136] CPU: 0 PID: 136 Comm: kworker/u4:1 Tainted: G W 5.15.183-syzkaller #0 [ 52.108697][ T136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 52.111347][ T136] Workqueue: writeback wb_workfn (flush-7:0) [ 52.112974][ T136] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 52.115077][ T136] pc : __test_set_page_writeback+0xa34/0xc34 [ 52.116636][ T136] lr : __test_set_page_writeback+0xa34/0xc34 [ 52.118186][ T136] sp : ffff80001bd86c00 [ 52.119237][ T136] x29: ffff80001bd86ce0 x28: 0000000000000000 x27: 0000000000000000 [ 52.121425][ T136] x26: ffff0000c049d8e0 x25: dfff800000000000 x24: 0000000000000000 [ 52.123550][ T136] x23: ffff0000cf052ce0 x22: fffffc0003414f08 x21: ffff80001bd86c60 [ 52.125625][ T136] x20: 1fffff80006829e1 x19: fffffc0003414f00 x18: 0000000000000000 [ 52.127749][ T136] x17: ffff800016cdf000 x16: ffff8000082bddf8 x15: ffff8000167bf4c0 [ 52.129818][ T136] x14: ffff0000c2580a00 x13: ffff0000c2580aa0 x12: 0000000000ff0100 [ 52.131904][ T136] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0510 [ 52.134070][ T136] x8 : ffff0000c2580000 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.136148][ T136] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000869ff8c [ 52.138225][ T136] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.140368][ T136] Call trace: [ 52.141249][ T136] __test_set_page_writeback+0xa34/0xc34 [ 52.142733][ T136] gfs2_aspace_writepage+0x548/0x710 [ 52.144126][ T136] __writepage+0x70/0x120 [ 52.145267][ T136] write_cache_pages+0x7c8/0xde4 [ 52.146602][ T136] do_writepages+0x3cc/0x578 [ 52.147832][ T136] filemap_fdatawrite_wbc+0x1d4/0x234 [ 52.149213][ T136] filemap_fdatawrite+0xb0/0xf4 [ 52.150500][ T136] gfs2_write_inode+0x2ec/0x3f4 [ 52.151748][ T136] __writeback_single_inode+0x560/0x11f0 [ 52.153237][ T136] writeback_sb_inodes+0x7fc/0x1378 [ 52.154623][ T136] __writeback_inodes_wb+0x110/0x394 [ 52.156025][ T136] wb_writeback+0x3ec/0xe44 [ 52.157182][ T136] wb_workfn+0xa7c/0xdd8 [ 52.158271][ T136] process_one_work+0x79c/0x1140 [ 52.159562][ T136] worker_thread+0x8f4/0x101c [ 52.160804][ T136] kthread+0x374/0x454 [ 52.161860][ T136] ret_from_fork+0x10/0x20 [ 52.162995][ T136] irq event stamp: 643156 [ 52.164149][ T136] hardirqs last enabled at (643155): [] lock_page_memcg+0x110/0x234 [ 52.166700][ T136] hardirqs last disabled at (643156): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 52.169425][ T136] softirqs last enabled at (639060): [] handle_softirqs+0xa4c/0xbf0 [ 52.172072][ T136] softirqs last disabled at (638627): [] __irq_exit_rcu+0x240/0x440 [ 52.174592][ T136] ---[ end trace a727b520fc9c6f18 ]--- [ 52.180173][ C1] ------------[ cut here ]------------ [ 52.181804][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 52.184648][ C1] Modules linked in: [ 52.185666][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.183-syzkaller #0 [ 52.188051][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 52.190736][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 52.192794][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 52.194427][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 52.196011][ C1] sp : ffff80001b3779a0 [ 52.197060][ C1] x29: ffff80001b3779b0 x28: ffff0000cbbb0000 x27: fffffc0003829108 [ 52.199182][ C1] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 52.201200][ C1] x23: ffff0000c049d8e0 x22: 0000000000000001 x21: 0000000000000001 [ 52.203271][ C1] x20: ffff0000cf052ce0 x19: fffffc0003414f00 x18: 0000000000000001 [ 52.205406][ C1] x17: 0000000000000000 x16: ffff8000082bddf8 x15: 0000000000000002 [ 52.207452][ C1] x14: 00000000ffff8000 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 52.209562][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869f8e0 [ 52.211675][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.213733][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 52.215881][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.217950][ C1] Call trace: [ 52.218783][ C1] test_clear_page_writeback+0x8d0/0xacc [ 52.220245][ C1] end_page_writeback+0x174/0x488 [ 52.221585][ C1] end_buffer_async_write+0x340/0x56c [ 52.222995][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 52.224300][ C1] bio_endio+0x744/0x788 [ 52.225432][ C1] blk_update_request+0x7a4/0x1100 [ 52.226752][ C1] blk_mq_end_request+0x54/0x88 [ 52.227990][ C1] lo_complete_rq+0x1ec/0x250 [ 52.229300][ C1] blk_done_softirq+0x11c/0x168 [ 52.230539][ C1] handle_softirqs+0x344/0xbf0 [ 52.231787][ C1] run_ksoftirqd+0x7c/0x2a0 [ 52.232954][ C1] smpboot_thread_fn+0x4b0/0x920 [ 52.234241][ C1] kthread+0x374/0x454 [ 52.235324][ C1] ret_from_fork+0x10/0x20 [ 52.236442][ C1] irq event stamp: 183531 [ 52.237593][ C1] hardirqs last enabled at (183530): [] lock_page_memcg+0x110/0x234 [ 52.240063][ C1] hardirqs last disabled at (183531): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 52.242815][ C1] softirqs last enabled at (183504): [] handle_softirqs+0xa4c/0xbf0 [ 52.245332][ C1] softirqs last disabled at (183509): [] run_ksoftirqd+0x7c/0x2a0 [ 52.247849][ C1] ---[ end trace a727b520fc9c6f19 ]--- 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