Warning: Permanently added '10.128.0.139' (ED25519) to the list of known hosts. executing program [ 42.743644][ T4021] loop0: detected capacity change from 0 to 32768 [ 42.874844][ T4021] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.877218][ T4021] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.895777][ T4021] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 42.899855][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.901753][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.942377][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 40ms [ 42.945006][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.946616][ T4021] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 43.082052][ T4021] ------------[ cut here ]------------ [ 43.083728][ T4021] WARNING: CPU: 0 PID: 4021 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 43.086372][ T4021] Modules linked in: [ 43.087400][ T4021] CPU: 0 PID: 4021 Comm: syz-executor377 Not tainted 5.15.185-syzkaller #0 [ 43.089659][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.092344][ T4021] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.094426][ T4021] pc : __set_page_dirty+0x938/0xc74 [ 43.095762][ T4021] lr : __set_page_dirty+0x938/0xc74 [ 43.097112][ T4021] sp : ffff80001f027760 [ 43.098295][ T4021] x29: ffff80001f027770 x28: ffff0000d84f4000 x27: 0000000000000000 [ 43.100420][ T4021] x26: dfff800000000000 x25: 1fffe00018093b51 x24: 0000000000000000 [ 43.102490][ T4021] x23: ffff0000c049da88 x22: 0000000000000000 x21: 0000000000000001 [ 43.104557][ T4021] x20: ffff0000d622e250 x19: fffffc000338da00 x18: 1fffe0003421d38e [ 43.106655][ T4021] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 43.108755][ T4021] x14: ffff0000ca03a540 x13: ffff0000ca03a5b8 x12: 0000000000ff0100 [ 43.110838][ T4021] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 43.112963][ T4021] x8 : ffff0000ca039b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.115109][ T4021] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 43.117202][ T4021] x2 : ffff0000cc14a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.119317][ T4021] Call trace: [ 43.120162][ T4021] __set_page_dirty+0x938/0xc74 [ 43.121397][ T4021] mark_buffer_dirty+0x27c/0x52c [ 43.122689][ T4021] gfs2_unpin+0x12c/0xc28 [ 43.123831][ T4021] buf_lo_after_commit+0x140/0x188 [ 43.125189][ T4021] gfs2_log_flush+0x13cc/0x2078 [ 43.126484][ T4021] gfs2_kill_sb+0x5c/0xd4 [ 43.127643][ T4021] deactivate_locked_super+0xb8/0x13c [ 43.129069][ T4021] deactivate_super+0xf8/0x118 [ 43.130397][ T4021] cleanup_mnt+0x3a4/0x458 [ 43.131605][ T4021] __cleanup_mnt+0x20/0x30 [ 43.132785][ T4021] task_work_run+0x12c/0x1e0 [ 43.134013][ T4021] do_exit+0x67c/0x1f58 [ 43.135068][ T4021] do_group_exit+0x100/0x268 [ 43.136282][ T4021] __wake_up_parent+0x0/0x60 [ 43.137573][ T4021] invoke_syscall+0x98/0x2b8 [ 43.138935][ T4021] el0_svc_common+0x138/0x258 [ 43.140199][ T4021] do_el0_svc+0x58/0x14c [ 43.141328][ T4021] el0_svc+0x78/0x1e0 [ 43.142403][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 43.143866][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 43.145070][ T4021] irq event stamp: 146360 [ 43.146226][ T4021] hardirqs last enabled at (146359): [] lock_page_memcg+0x110/0x234 [ 43.148800][ T4021] hardirqs last disabled at (146360): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.151495][ T4021] softirqs last enabled at (144446): [] local_bh_enable+0x10/0x34 [ 43.154024][ T4021] softirqs last disabled at (144444): [] local_bh_disable+0x10/0x34 [ 43.156610][ T4021] ---[ end trace fa6a820750daa489 ]--- [ 43.160609][ T4021] ------------[ cut here ]------------ [ 43.162068][ T4021] WARNING: CPU: 0 PID: 4021 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 43.164980][ T4021] Modules linked in: [ 43.165979][ T4021] CPU: 0 PID: 4021 Comm: syz-executor377 Tainted: G W 5.15.185-syzkaller #0 [ 43.168569][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.171280][ T4021] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.173362][ T4021] pc : __test_set_page_writeback+0xa34/0xc34 [ 43.174896][ T4021] lr : __test_set_page_writeback+0xa34/0xc34 [ 43.176518][ T4021] sp : ffff80001f027140 [ 43.177578][ T4021] x29: ffff80001f027220 x28: 0000000000000000 x27: 0000000000000000 [ 43.179704][ T4021] x26: ffff0000c049d8e0 x25: dfff800000000000 x24: 0000000000000000 [ 43.181820][ T4021] x23: ffff0000d622e250 x22: fffffc000338da08 x21: ffff80001f0271a0 [ 43.183909][ T4021] x20: 1fffff8000671b41 x19: fffffc000338da00 x18: 0000000000000000 [ 43.186034][ T4021] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 43.188122][ T4021] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.190288][ T4021] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 43.192420][ T4021] x8 : ffff0000ca039b40 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 43.194484][ T4021] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 43.196756][ T4021] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.198996][ T4021] Call trace: [ 43.199875][ T4021] __test_set_page_writeback+0xa34/0xc34 [ 43.201419][ T4021] gfs2_aspace_writepage+0x548/0x710 [ 43.202844][ T4021] __writepage+0x70/0x120 [ 43.204022][ T4021] write_cache_pages+0x7c8/0xde4 [ 43.205394][ T4021] generic_writepages+0xf4/0x160 [ 43.206870][ T4021] gfs2_ail1_flush+0x884/0xeac [ 43.208116][ T4021] empty_ail1_list+0x100/0x1d4 [ 43.209331][ T4021] gfs2_log_flush+0x16c0/0x2078 [ 43.210578][ T4021] gfs2_kill_sb+0x5c/0xd4 [ 43.211678][ T4021] deactivate_locked_super+0xb8/0x13c [ 43.213114][ T4021] deactivate_super+0xf8/0x118 [ 43.214407][ T4021] cleanup_mnt+0x3a4/0x458 [ 43.215570][ T4021] __cleanup_mnt+0x20/0x30 [ 43.216745][ T4021] task_work_run+0x12c/0x1e0 [ 43.217974][ T4021] do_exit+0x67c/0x1f58 [ 43.219089][ T4021] do_group_exit+0x100/0x268 [ 43.220286][ T4021] __wake_up_parent+0x0/0x60 [ 43.221517][ T4021] invoke_syscall+0x98/0x2b8 [ 43.222736][ T4021] el0_svc_common+0x138/0x258 [ 43.223997][ T4021] do_el0_svc+0x58/0x14c [ 43.225095][ T4021] el0_svc+0x78/0x1e0 [ 43.226112][ T4021] el0t_64_sync_handler+0xcc/0xe4 [ 43.227455][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 43.228642][ T4021] irq event stamp: 146412 [ 43.229741][ T4021] hardirqs last enabled at (146411): [] lock_page_memcg+0x110/0x234 [ 43.232329][ T4021] hardirqs last disabled at (146412): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.235033][ T4021] softirqs last enabled at (146390): [] handle_softirqs+0xa4c/0xbf0 [ 43.237580][ T4021] softirqs last disabled at (146363): [] __irq_exit_rcu+0x240/0x440 [ 43.240225][ T4021] ---[ end trace fa6a820750daa48a ]--- [ 43.243040][ C1] ------------[ cut here ]------------ [ 43.244696][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 43.247468][ C1] Modules linked in: [ 43.248492][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.185-syzkaller #0 [ 43.250957][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.253643][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.255778][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 43.257406][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 43.259022][ C1] sp : ffff80001b3879a0 [ 43.260173][ C1] x29: ffff80001b3879b0 x28: ffff0000cc14a000 x27: fffffc000338da48 [ 43.262305][ C1] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 43.264454][ C1] x23: ffff0000c049d8e0 x22: 0000000000000001 x21: 0000000000000001 [ 43.266595][ C1] x20: ffff0000d622e250 x19: fffffc000338da00 x18: 0000000000000001 [ 43.268759][ C1] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 43.270917][ C1] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.273020][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 43.275155][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.277230][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 43.279338][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.281453][ C1] Call trace: [ 43.282310][ C1] test_clear_page_writeback+0x8d0/0xacc [ 43.283816][ C1] end_page_writeback+0x174/0x488 [ 43.285117][ C1] end_buffer_async_write+0x340/0x56c [ 43.286525][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 43.287842][ C1] bio_endio+0x744/0x788 [ 43.288974][ C1] blk_update_request+0x7a4/0x1100 [ 43.290366][ C1] blk_mq_end_request+0x54/0x88 [ 43.291652][ C1] lo_complete_rq+0x1ec/0x250 [ 43.292903][ C1] blk_done_softirq+0x11c/0x168 [ 43.294218][ C1] handle_softirqs+0x344/0xbf0 [ 43.295528][ C1] run_ksoftirqd+0x7c/0x2a0 [ 43.296689][ C1] smpboot_thread_fn+0x4b0/0x920 [ 43.298074][ C1] kthread+0x374/0x454 [ 43.299176][ C1] ret_from_fork+0x10/0x20 [ 43.300373][ C1] irq event stamp: 205451 [ 43.301526][ C1] hardirqs last enabled at (205450): [] lock_page_memcg+0x110/0x234 [ 43.304161][ C1] hardirqs last disabled at (205451): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.306981][ C1] softirqs last enabled at (205440): [] handle_softirqs+0xa4c/0xbf0 [ 43.309615][ C1] softirqs last disabled at (205445): [] run_ksoftirqd+0x7c/0x2a0 [ 43.312218][ C1] ---[ end trace fa6a820750daa48b ]---