Warning: Permanently added '10.128.1.74' (ED25519) to the list of known hosts. executing program [ 41.930379][ T4023] loop0: detected capacity change from 0 to 32768 [ 41.989290][ T4023] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 41.991620][ T4023] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.002672][ T4023] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 42.006311][ T3323] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.008202][ T3323] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.035703][ T3323] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 27ms [ 42.039398][ T3323] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.041572][ T4023] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.147699][ 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 executing program [ 46.134689][ T4027] ------------[ cut here ]------------ [ 46.136263][ T4027] WARNING: CPU: 0 PID: 4027 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 46.139060][ T4027] Modules linked in: [ 46.140071][ T4027] CPU: 0 PID: 4027 Comm: gfs2_quotad Not tainted 5.15.182-syzkaller #0 [ 46.142244][ T4027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 46.145003][ T4027] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 46.147146][ T4027] pc : __set_page_dirty+0x938/0xc74 [ 46.148485][ T4027] lr : __set_page_dirty+0x938/0xc74 [ 46.149858][ T4027] sp : ffff80001f0777a0 [ 46.150952][ T4027] x29: ffff80001f0777b0 x28: ffff0000d787c000 x27: 0000000000000000 [ 46.153127][ T4027] x26: dfff800000000000 x25: 1fffe000180a99d9 x24: 0000000000000000 [ 46.155217][ T4027] x23: ffff0000c054cec8 x22: 0000000000000000 x21: 0000000000000001 [ 46.157411][ T4027] x20: ffff0000da76e250 x19: fffffc0003252bc0 x18: 0000000000000000 [ 46.159545][ T4027] x17: ffff800016cdf000 x16: ffff8000082bdde4 x15: ffff8000167bf4c0 [ 46.161790][ T4027] x14: ffff0000c2dea540 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 46.163928][ T4027] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d988 [ 46.166070][ T4027] x8 : ffff0000c2de9b40 x7 : ffff80000869d094 x6 : 0000000000000000 [ 46.168138][ T4027] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899cbec [ 46.170342][ T4027] x2 : ffff0000cc098060 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.172492][ T4027] Call trace: [ 46.173374][ T4027] __set_page_dirty+0x938/0xc74 [ 46.174631][ T4027] mark_buffer_dirty+0x27c/0x52c [ 46.175951][ T4027] gfs2_unpin+0x12c/0xc28 [ 46.177122][ T4027] buf_lo_after_commit+0x140/0x188 [ 46.178540][ T4027] gfs2_log_flush+0x13cc/0x2078 [ 46.179845][ T4027] do_sync+0x844/0xa4c [ 46.180932][ T4027] gfs2_quota_sync+0x2e8/0x548 [ 46.182247][ T4027] gfs2_quotad+0x304/0x700 [ 46.183427][ T4027] kthread+0x374/0x454 [ 46.184510][ T4027] ret_from_fork+0x10/0x20 [ 46.185684][ T4027] irq event stamp: 290 [ 46.186784][ T4027] hardirqs last enabled at (289): [] lock_page_memcg+0x110/0x234 [ 46.189306][ T4027] hardirqs last disabled at (290): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 46.191914][ T4027] softirqs last enabled at (0): [] copy_process+0x1118/0x34ec [ 46.194381][ T4027] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.196349][ T4027] ---[ end trace adb13398de44af0c ]--- 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 [ 51.171944][ T153] ------------[ cut here ]------------ [ 51.173621][ T153] WARNING: CPU: 1 PID: 153 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 51.176485][ T153] Modules linked in: [ 51.177522][ T153] CPU: 1 PID: 153 Comm: kworker/u4:3 Tainted: G W 5.15.182-syzkaller #0 [ 51.180003][ T153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 51.182644][ T153] Workqueue: writeback wb_workfn (flush-7:0) [ 51.184234][ T153] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.186314][ T153] pc : __test_set_page_writeback+0xa34/0xc34 [ 51.188036][ T153] lr : __test_set_page_writeback+0xa34/0xc34 [ 51.189591][ T153] sp : ffff80001be56c00 [ 51.190687][ T153] x29: ffff80001be56ce0 x28: 0000000000000000 x27: 0000000000000000 [ 51.192860][ T153] x26: ffff0000c054cd20 x25: dfff800000000000 x24: 0000000000000000 [ 51.194946][ T153] x23: ffff0000da76ece0 x22: fffffc00032e8108 x21: ffff80001be56c60 [ 51.197085][ T153] x20: 1fffff800065d021 x19: fffffc00032e8100 x18: 0000000000000000 [ 51.199232][ T153] x17: ffff800016cdf000 x16: ffff8000082bdde4 x15: ffff8000167bf4c0 [ 51.201389][ T153] x14: ffff0000c2cac080 x13: ffff0000c2cac120 x12: 0000000000ff0100 [ 51.203491][ T153] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a04fc [ 51.205635][ T153] x8 : ffff0000c2cab680 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.207772][ T153] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000869ff78 [ 51.209866][ T153] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.212013][ T153] Call trace: [ 51.212845][ T153] __test_set_page_writeback+0xa34/0xc34 [ 51.214419][ T153] gfs2_aspace_writepage+0x548/0x710 [ 51.215826][ T153] __writepage+0x70/0x120 [ 51.217024][ T153] write_cache_pages+0x7c8/0xde4 [ 51.218352][ T153] do_writepages+0x3cc/0x578 [ 51.219589][ T153] filemap_fdatawrite_wbc+0x1d4/0x234 [ 51.220987][ T153] filemap_fdatawrite+0xb0/0xf4 [ 51.222250][ T153] gfs2_write_inode+0x2ec/0x3f4 [ 51.223513][ T153] __writeback_single_inode+0x560/0x11f0 [ 51.224985][ T153] writeback_sb_inodes+0x7fc/0x1378 [ 51.226320][ T153] __writeback_inodes_wb+0x110/0x394 [ 51.227741][ T153] wb_writeback+0x3ec/0xe44 [ 51.228912][ T153] wb_workfn+0xa7c/0xdd8 [ 51.230070][ T153] process_one_work+0x79c/0x1140 [ 51.231350][ T153] worker_thread+0x8f4/0x101c [ 51.232638][ T153] kthread+0x374/0x454 [ 51.233713][ T153] ret_from_fork+0x10/0x20 [ 51.234807][ T153] irq event stamp: 757028 [ 51.235981][ T153] hardirqs last enabled at (757027): [] lock_page_memcg+0x110/0x234 [ 51.238507][ T153] hardirqs last disabled at (757028): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.241228][ T153] softirqs last enabled at (753600): [] neigh_periodic_work+0xb58/0xc24 [ 51.243863][ T153] softirqs last disabled at (753596): [] neigh_periodic_work+0x104/0xc24 [ 51.246527][ T153] ---[ end trace adb13398de44af0d ]--- executing program [ 51.251408][ C1] ------------[ cut here ]------------ [ 51.252932][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 51.255734][ C1] Modules linked in: [ 51.256671][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.182-syzkaller #0 [ 51.259108][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 51.261769][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.263809][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 51.265376][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 51.266956][ C1] sp : ffff80001b3779a0 [ 51.268073][ C1] x29: ffff80001b3779b0 x28: ffff0000cc098000 x27: fffffc0003874b88 [ 51.270199][ C1] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 51.272353][ C1] x23: ffff0000c054cd20 x22: 0000000000000001 x21: 0000000000000001 [ 51.274387][ C1] x20: ffff0000da76ece0 x19: fffffc00032e8100 x18: 0000000000000001 [ 51.276529][ C1] x17: 0000000000000000 x16: ffff8000082bdde4 x15: 0000000000000002 [ 51.278650][ C1] x14: 00000000ffff8000 x13: 1ffff0000282a06b x12: 0000000000ff0100 [ 51.280826][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869f8cc [ 51.282955][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.285079][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 51.287151][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.289271][ C1] Call trace: [ 51.290121][ C1] test_clear_page_writeback+0x8d0/0xacc [ 51.291574][ C1] end_page_writeback+0x174/0x488 [ 51.292887][ C1] end_buffer_async_write+0x340/0x56c [ 51.294313][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 51.295607][ C1] bio_endio+0x744/0x788 [ 51.296744][ C1] blk_update_request+0x7a4/0x1100 [ 51.298096][ C1] blk_mq_end_request+0x54/0x88 [ 51.299357][ C1] lo_complete_rq+0x1ec/0x250 [ 51.300558][ C1] blk_done_softirq+0x11c/0x168 [ 51.301806][ C1] handle_softirqs+0x344/0xbf0 [ 51.303059][ C1] run_ksoftirqd+0x7c/0x2a0 [ 51.304266][ C1] smpboot_thread_fn+0x4b0/0x920 [ 51.305568][ C1] kthread+0x374/0x454 [ 51.306683][ C1] ret_from_fork+0x10/0x20 [ 51.307826][ C1] irq event stamp: 207795 [ 51.308974][ C1] hardirqs last enabled at (207794): [] lock_page_memcg+0x110/0x234 [ 51.311505][ C1] hardirqs last disabled at (207795): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.314134][ C1] softirqs last enabled at (207768): [] handle_softirqs+0xa4c/0xbf0 [ 51.316650][ C1] softirqs last disabled at (207773): [] run_ksoftirqd+0x7c/0x2a0 [ 51.319173][ C1] ---[ end trace adb13398de44af0e ]--- 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