Warning: Permanently added '10.128.10.43' (ED25519) to the list of known hosts. executing program [ 44.330207][ T4022] loop0: detected capacity change from 0 to 32768 [ 44.380789][ T4022] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 44.387943][ T4022] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 44.396310][ T4022] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 44.399908][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 44.402166][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 44.430890][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 28ms [ 44.433343][ T21] gfs2: fsid=syz:syz.0: jid=0: Done [ 44.434916][ T4022] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 44.512512][ 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 [ 48.535459][ T4026] ------------[ cut here ]------------ [ 48.536993][ T4026] WARNING: CPU: 1 PID: 4026 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 48.539597][ T4026] Modules linked in: [ 48.540611][ T4026] CPU: 1 PID: 4026 Comm: gfs2_quotad Not tainted 5.15.185-syzkaller #0 [ 48.542829][ T4026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 48.545567][ T4026] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 48.547737][ T4026] pc : __set_page_dirty+0x938/0xc74 [ 48.549193][ T4026] lr : __set_page_dirty+0x938/0xc74 [ 48.550581][ T4026] sp : ffff80001f1e77a0 [ 48.551713][ T4026] x29: ffff80001f1e77b0 x28: ffff0000c128c000 x27: 0000000000000000 [ 48.553865][ T4026] x26: dfff800000000000 x25: 1fffe00018a58b51 x24: 0000000000000000 [ 48.556054][ T4026] x23: ffff0000c52c5a88 x22: 0000000000000000 x21: 0000000000000001 [ 48.558226][ T4026] x20: ffff0000ce1ee250 x19: fffffc0003205780 x18: 0000000000000000 [ 48.560453][ T4026] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 48.562566][ T4026] x14: ffff0000c1ed2540 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 48.564702][ T4026] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 48.566876][ T4026] x8 : ffff0000c1ed1b40 x7 : ffff80000869d2b0 x6 : 0000000000000000 [ 48.569103][ T4026] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899ce68 [ 48.571295][ T4026] x2 : ffff0000cbff0060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.573458][ T4026] Call trace: [ 48.574323][ T4026] __set_page_dirty+0x938/0xc74 [ 48.575621][ T4026] mark_buffer_dirty+0x27c/0x52c [ 48.576923][ T4026] gfs2_unpin+0x12c/0xc28 [ 48.578044][ T4026] buf_lo_after_commit+0x140/0x188 [ 48.579411][ T4026] gfs2_log_flush+0x13cc/0x2078 [ 48.580699][ T4026] do_sync+0x844/0xa4c [ 48.581774][ T4026] gfs2_quota_sync+0x2e8/0x548 [ 48.583039][ T4026] gfs2_quotad+0x304/0x700 [ 48.584238][ T4026] kthread+0x374/0x454 [ 48.585308][ T4026] ret_from_fork+0x10/0x20 [ 48.586491][ T4026] irq event stamp: 292 [ 48.587586][ T4026] hardirqs last enabled at (291): [] lock_page_memcg+0x110/0x234 [ 48.590146][ T4026] hardirqs last disabled at (292): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 48.592792][ T4026] softirqs last enabled at (0): [] copy_process+0x111c/0x34ac [ 48.595302][ T4026] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.597191][ T4026] ---[ end trace 377f76c973cf7172 ]--- 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 [ 53.572338][ T332] ------------[ cut here ]------------ [ 53.573962][ T332] WARNING: CPU: 1 PID: 332 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 53.576907][ T332] Modules linked in: [ 53.577962][ T332] CPU: 1 PID: 332 Comm: kworker/u4:4 Tainted: G W 5.15.185-syzkaller #0 [ 53.580586][ T332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 53.583273][ T332] Workqueue: writeback wb_workfn (flush-7:0) [ 53.584856][ T332] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.587007][ T332] pc : __test_set_page_writeback+0xa34/0xc34 [ 53.588588][ T332] lr : __test_set_page_writeback+0xa34/0xc34 [ 53.590195][ T332] sp : ffff80001f506c00 [ 53.591276][ T332] x29: ffff80001f506ce0 x28: 0000000000000000 x27: 0000000000000000 [ 53.593445][ T332] x26: ffff0000c52c58e0 x25: dfff800000000000 x24: 0000000000000000 [ 53.595691][ T332] x23: ffff0000ce1eece0 x22: fffffc000325f688 x21: ffff80001f506c60 [ 53.597843][ T332] x20: 1fffff800064bed1 x19: fffffc000325f680 x18: 0000000000000000 [ 53.599924][ T332] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 53.602132][ T332] x14: ffff0000c80d2540 x13: ffff0000c80d25e0 x12: 0000000000ff0100 [ 53.604357][ T332] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 53.606453][ T332] x8 : ffff0000c80d1b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.608578][ T332] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086a0194 [ 53.610745][ T332] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.612959][ T332] Call trace: [ 53.613844][ T332] __test_set_page_writeback+0xa34/0xc34 [ 53.615359][ T332] gfs2_aspace_writepage+0x548/0x710 [ 53.616721][ T332] __writepage+0x70/0x120 [ 53.617910][ T332] write_cache_pages+0x7c8/0xde4 [ 53.619221][ T332] do_writepages+0x3cc/0x578 [ 53.620454][ T332] filemap_fdatawrite_wbc+0x1d4/0x234 [ 53.621968][ T332] filemap_fdatawrite+0xb0/0xf4 [ 53.623321][ T332] gfs2_write_inode+0x2ec/0x3f4 [ 53.624639][ T332] __writeback_single_inode+0x560/0x11f0 [ 53.626191][ T332] writeback_sb_inodes+0x7fc/0x1378 [ 53.627577][ T332] __writeback_inodes_wb+0x110/0x394 [ 53.629048][ T332] wb_writeback+0x3ec/0xe44 [ 53.630286][ T332] wb_workfn+0xa7c/0xdd8 [ 53.631448][ T332] process_one_work+0x79c/0x1140 [ 53.632861][ T332] worker_thread+0x8f4/0x101c [ 53.634074][ T332] kthread+0x374/0x454 [ 53.635187][ T332] ret_from_fork+0x10/0x20 [ 53.636339][ T332] irq event stamp: 632962 [ 53.637511][ T332] hardirqs last enabled at (632961): [] lock_page_memcg+0x110/0x234 [ 53.640154][ T332] hardirqs last disabled at (632962): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 53.642941][ T332] softirqs last enabled at (631446): [] handle_softirqs+0xa4c/0xbf0 [ 53.645606][ T332] softirqs last disabled at (631273): [] __irq_exit_rcu+0x240/0x440 [ 53.648120][ T332] ---[ end trace 377f76c973cf7173 ]--- [ 53.654283][ C1] ------------[ cut here ]------------ [ 53.655823][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc executing program [ 53.658746][ C1] Modules linked in: [ 53.659858][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.185-syzkaller #0 [ 53.662463][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 53.665190][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.667292][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 53.668860][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 53.670489][ C1] sp : ffff80001b3879a0 [ 53.671598][ C1] x29: ffff80001b3879b0 x28: ffff0000cbff0000 x27: fffffc000385b648 [ 53.673728][ C1] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 53.675882][ C1] x23: ffff0000c52c58e0 x22: 0000000000000001 x21: 0000000000000001 [ 53.678039][ C1] x20: ffff0000ce1eece0 x19: fffffc000325f680 x18: 0000000000000001 [ 53.680208][ C1] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 53.682351][ C1] x14: 00000000ffff8000 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 53.684444][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 53.686563][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.688703][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 53.690882][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.693077][ C1] Call trace: [ 53.693963][ C1] test_clear_page_writeback+0x8d0/0xacc [ 53.695512][ C1] end_page_writeback+0x174/0x488 [ 53.696898][ C1] end_buffer_async_write+0x340/0x56c [ 53.698395][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 53.699751][ C1] bio_endio+0x744/0x788 [ 53.700883][ C1] blk_update_request+0x7a4/0x1100 [ 53.702286][ C1] blk_mq_end_request+0x54/0x88 [ 53.703599][ C1] lo_complete_rq+0x1ec/0x250 [ 53.704832][ C1] blk_done_softirq+0x11c/0x168 [ 53.706101][ C1] handle_softirqs+0x344/0xbf0 [ 53.707401][ C1] run_ksoftirqd+0x7c/0x2a0 [ 53.708634][ C1] smpboot_thread_fn+0x4b0/0x920 [ 53.709958][ C1] kthread+0x374/0x454 [ 53.711043][ C1] ret_from_fork+0x10/0x20 [ 53.712207][ C1] irq event stamp: 192301 [ 53.713358][ C1] hardirqs last enabled at (192300): [] lock_page_memcg+0x110/0x234 [ 53.716042][ C1] hardirqs last disabled at (192301): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 53.718798][ C1] softirqs last enabled at (192274): [] handle_softirqs+0xa4c/0xbf0 [ 53.721507][ C1] softirqs last disabled at (192279): [] run_ksoftirqd+0x7c/0x2a0 [ 53.724050][ C1] ---[ end trace 377f76c973cf7174 ]--- 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