Warning: Permanently added '10.128.10.27' (ED25519) to the list of known hosts. executing program [ 43.981380][ T4022] loop0: detected capacity change from 0 to 32768 [ 44.034280][ T4022] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.036682][ T4022] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.049831][ T4022] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 44.054271][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.056202][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.087298][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 31ms [ 44.089799][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.091405][ T4022] gfs2: fsid=syz:syz.0: first mount done, others may mount executing program [ 44.164101][ T4022] 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 [ 48.169702][ T4027] ------------[ cut here ]------------ [ 48.171269][ T4027] WARNING: CPU: 1 PID: 4027 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 48.174019][ T4027] Modules linked in: [ 48.175081][ T4027] CPU: 1 PID: 4027 Comm: gfs2_quotad Not tainted 5.15.182-syzkaller #0 [ 48.177317][ T4027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 48.180036][ T4027] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 48.182148][ T4027] pc : __set_page_dirty+0x938/0xc74 [ 48.183569][ T4027] lr : __set_page_dirty+0x938/0xc74 [ 48.184978][ T4027] sp : ffff80001f0977a0 [ 48.186092][ T4027] x29: ffff80001f0977b0 x28: ffff0000db1c0000 x27: 0000000000000000 [ 48.188252][ T4027] x26: dfff800000000000 x25: 1fffe00018a3c9d9 x24: 0000000000000000 [ 48.190419][ T4027] x23: ffff0000c51e4ec8 x22: 0000000000000000 x21: 0000000000000001 [ 48.192603][ T4027] x20: ffff0000cb26a250 x19: fffffc00034215c0 x18: 0000000000000000 [ 48.194807][ T4027] x17: ffff800016cdf000 x16: ffff8000082bdde4 x15: ffff8000167bf4c0 [ 48.196983][ T4027] x14: ffff0000c1cf4080 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 48.199147][ T4027] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d988 [ 48.201363][ T4027] x8 : ffff0000c1cf3680 x7 : ffff80000869d094 x6 : 0000000000000000 [ 48.203561][ T4027] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899cbec [ 48.205728][ T4027] x2 : ffff0000cc3c4060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.207916][ T4027] Call trace: [ 48.208796][ T4027] __set_page_dirty+0x938/0xc74 [ 48.210153][ T4027] mark_buffer_dirty+0x27c/0x52c [ 48.211682][ T4027] gfs2_unpin+0x12c/0xc28 [ 48.212894][ T4027] buf_lo_after_commit+0x140/0x188 [ 48.214297][ T4027] gfs2_log_flush+0x13cc/0x2078 [ 48.215657][ T4027] do_sync+0x844/0xa4c [ 48.216768][ T4027] gfs2_quota_sync+0x2e8/0x548 [ 48.218052][ T4027] gfs2_quotad+0x304/0x700 [ 48.219257][ T4027] kthread+0x374/0x454 [ 48.220376][ T4027] ret_from_fork+0x10/0x20 [ 48.221589][ T4027] irq event stamp: 294 [ 48.222675][ T4027] hardirqs last enabled at (293): [] lock_page_memcg+0x110/0x234 [ 48.225193][ T4027] hardirqs last disabled at (294): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 48.227886][ T4027] softirqs last enabled at (0): [] copy_process+0x1118/0x34ec [ 48.230367][ T4027] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.232302][ T4027] ---[ end trace 157fc48228d20954 ]--- 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 [ 53.206716][ T136] ------------[ cut here ]------------ [ 53.208311][ T136] WARNING: CPU: 1 PID: 136 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 53.211168][ T136] Modules linked in: [ 53.212182][ T136] CPU: 1 PID: 136 Comm: kworker/u4:1 Tainted: G W 5.15.182-syzkaller #0 [ 53.214705][ T136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 53.217378][ T136] Workqueue: writeback wb_workfn (flush-7:0) [ 53.219012][ T136] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.221108][ T136] pc : __test_set_page_writeback+0xa34/0xc34 [ 53.222726][ T136] lr : __test_set_page_writeback+0xa34/0xc34 [ 53.224328][ T136] sp : ffff80001b756c00 [ 53.225441][ T136] x29: ffff80001b756ce0 x28: 0000000000000000 x27: 0000000000000000 [ 53.227616][ T136] x26: ffff0000c51e4d20 x25: dfff800000000000 x24: 0000000000000000 [ 53.229846][ T136] x23: ffff0000d66147e8 x22: fffffc000329af08 x21: ffff80001b756c60 [ 53.232051][ T136] x20: 1fffff80006535e1 x19: fffffc000329af00 x18: 0000000000000000 [ 53.234237][ T136] x17: ffff800016cdf000 x16: ffff8000082bdde4 x15: ffff8000167bf4c0 [ 53.236458][ T136] x14: ffff0000c0b94080 x13: ffff0000c0b94120 x12: 0000000000ff0100 [ 53.238647][ T136] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a04fc [ 53.240833][ T136] x8 : ffff0000c0b93680 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.243021][ T136] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000869ff78 [ 53.245204][ T136] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.247379][ T136] Call trace: [ 53.248264][ T136] __test_set_page_writeback+0xa34/0xc34 [ 53.249832][ T136] gfs2_aspace_writepage+0x548/0x710 [ 53.251275][ T136] __writepage+0x70/0x120 [ 53.252445][ T136] write_cache_pages+0x7c8/0xde4 [ 53.253778][ T136] do_writepages+0x3cc/0x578 [ 53.255036][ T136] filemap_fdatawrite_wbc+0x1d4/0x234 [ 53.256512][ T136] filemap_fdatawrite+0xb0/0xf4 [ 53.257812][ T136] gfs2_write_inode+0x2ec/0x3f4 [ 53.259141][ T136] __writeback_single_inode+0x560/0x11f0 [ 53.260704][ T136] writeback_sb_inodes+0x7fc/0x1378 [ 53.262122][ T136] __writeback_inodes_wb+0x110/0x394 [ 53.263575][ T136] wb_writeback+0x3ec/0xe44 [ 53.264805][ T136] wb_workfn+0xa7c/0xdd8 [ 53.266005][ T136] process_one_work+0x79c/0x1140 [ 53.267374][ T136] worker_thread+0x8f4/0x101c [ 53.268674][ T136] kthread+0x374/0x454 [ 53.269787][ T136] ret_from_fork+0x10/0x20 [ 53.271004][ T136] irq event stamp: 625928 [ 53.272189][ T136] hardirqs last enabled at (625927): [] lock_page_memcg+0x110/0x234 [ 53.274856][ T136] hardirqs last disabled at (625928): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 53.277657][ T136] softirqs last enabled at (623512): [] handle_softirqs+0xa4c/0xbf0 [ 53.280312][ T136] softirqs last disabled at (623483): [] __irq_exit_rcu+0x240/0x440 [ 53.282937][ T136] ---[ end trace 157fc48228d20955 ]--- [ 53.287606][ C1] ------------[ cut here ]------------ [ 53.289147][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 53.292027][ C1] Modules linked in: [ 53.293047][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.182-syzkaller #0 [ 53.295540][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 53.298358][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.300513][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 53.302142][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 53.303795][ C1] sp : ffff80001b3779a0 [ 53.304932][ C1] x29: ffff80001b3779b0 x28: ffff0000cc3c4000 x27: fffffc0003874ec8 [ 53.307165][ C1] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 53.309404][ C1] x23: ffff0000c51e4d20 x22: 0000000000000001 x21: 0000000000000001 [ 53.311619][ C1] x20: ffff0000d66147e8 x19: fffffc000329af00 x18: 0000000000000001 [ 53.313821][ C1] x17: 0000000000000000 x16: ffff8000082bdde4 x15: 0000000000000002 [ 53.316021][ C1] x14: 00000000ffff8000 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 53.318220][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869f8cc [ 53.320450][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.322653][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 53.324846][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.327054][ C1] Call trace: [ 53.327951][ C1] test_clear_page_writeback+0x8d0/0xacc [ 53.329523][ C1] end_page_writeback+0x174/0x488 [ 53.330899][ C1] end_buffer_async_write+0x340/0x56c [ 53.332378][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 53.333740][ C1] bio_endio+0x744/0x788 [ 53.334902][ C1] blk_update_request+0x7a4/0x1100 [ 53.336312][ C1] blk_mq_end_request+0x54/0x88 [ 53.337661][ C1] lo_complete_rq+0x1ec/0x250 [ 53.338984][ C1] blk_done_softirq+0x11c/0x168 [ 53.340340][ C1] handle_softirqs+0x344/0xbf0 [ 53.341639][ C1] run_ksoftirqd+0x7c/0x2a0 [ 53.342908][ C1] smpboot_thread_fn+0x4b0/0x920 [ 53.344259][ C1] kthread+0x374/0x454 [ 53.345381][ C1] ret_from_fork+0x10/0x20 [ 53.346603][ C1] irq event stamp: 220571 [ 53.347780][ C1] hardirqs last enabled at (220570): [] lock_page_memcg+0x110/0x234 [ 53.350438][ C1] hardirqs last disabled at (220571): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 53.353226][ C1] softirqs last enabled at (220544): [] handle_softirqs+0xa4c/0xbf0 [ 53.355914][ C1] softirqs last disabled at (220549): [] run_ksoftirqd+0x7c/0x2a0 [ 53.358503][ C1] ---[ end trace 157fc48228d20956 ]--- 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