Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. executing program [ 42.777679][ T4024] loop0: detected capacity change from 0 to 32768 [ 42.841417][ T4024] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.843850][ T4024] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.867625][ T4024] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 42.872498][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.874627][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.906485][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 31ms [ 42.909362][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.911421][ T4024] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 43.081910][ T4024] ------------[ cut here ]------------ [ 43.083495][ T4024] WARNING: CPU: 0 PID: 4024 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 43.086264][ T4024] Modules linked in: [ 43.087282][ T4024] CPU: 0 PID: 4024 Comm: syz-executor294 Not tainted 5.15.185-syzkaller #0 [ 43.089619][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.092205][ T4024] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.094382][ T4024] pc : __set_page_dirty+0x938/0xc74 [ 43.095711][ T4024] lr : __set_page_dirty+0x938/0xc74 [ 43.097014][ T4024] sp : ffff80001f197760 [ 43.098075][ T4024] x29: ffff80001f197770 x28: ffff0000c1b24000 x27: 0000000000000000 [ 43.100183][ T4024] x26: dfff800000000000 x25: 1fffe000180b19d9 x24: 0000000000000000 [ 43.102403][ T4024] x23: ffff0000c058cec8 x22: 0000000000000000 x21: 0000000000000001 [ 43.104758][ T4024] x20: ffff0000db45a250 x19: fffffc0003301f40 x18: 0000000000000002 [ 43.107082][ T4024] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 43.109310][ T4024] x14: ffff0000c1968a00 x13: ffff0000c1968a78 x12: 0000000000ff0100 [ 43.111476][ T4024] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 43.113714][ T4024] x8 : ffff0000c1968000 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.115941][ T4024] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 43.118144][ T4024] x2 : ffff0000cc388060 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.120273][ T4024] Call trace: [ 43.121203][ T4024] __set_page_dirty+0x938/0xc74 [ 43.122504][ T4024] mark_buffer_dirty+0x27c/0x52c [ 43.123888][ T4024] gfs2_unpin+0x12c/0xc28 [ 43.125035][ T4024] buf_lo_after_commit+0x140/0x188 [ 43.126417][ T4024] gfs2_log_flush+0x13cc/0x2078 [ 43.127782][ T4024] gfs2_kill_sb+0x5c/0xd4 [ 43.128973][ T4024] deactivate_locked_super+0xb8/0x13c [ 43.130436][ T4024] deactivate_super+0xf8/0x118 [ 43.131719][ T4024] cleanup_mnt+0x3a4/0x458 [ 43.132931][ T4024] __cleanup_mnt+0x20/0x30 [ 43.134126][ T4024] task_work_run+0x12c/0x1e0 [ 43.135434][ T4024] do_exit+0x67c/0x1f58 [ 43.136555][ T4024] do_group_exit+0x100/0x268 [ 43.137844][ T4024] __wake_up_parent+0x0/0x60 [ 43.139035][ T4024] invoke_syscall+0x98/0x2b8 [ 43.140247][ T4024] el0_svc_common+0x138/0x258 [ 43.141544][ T4024] do_el0_svc+0x58/0x14c [ 43.142681][ T4024] el0_svc+0x78/0x1e0 [ 43.143756][ T4024] el0t_64_sync_handler+0xcc/0xe4 [ 43.145155][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 43.146344][ T4024] irq event stamp: 148390 [ 43.147545][ T4024] hardirqs last enabled at (148389): [] lock_page_memcg+0x110/0x234 [ 43.150133][ T4024] hardirqs last disabled at (148390): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.152890][ T4024] softirqs last enabled at (148344): [] handle_softirqs+0xa4c/0xbf0 [ 43.155523][ T4024] softirqs last disabled at (148331): [] __irq_exit_rcu+0x240/0x440 [ 43.158085][ T4024] ---[ end trace 31db9d417e120382 ]--- [ 43.160056][ T4024] ------------[ cut here ]------------ [ 43.161509][ T4024] WARNING: CPU: 0 PID: 4024 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 43.164481][ T4024] Modules linked in: [ 43.165554][ T4024] CPU: 0 PID: 4024 Comm: syz-executor294 Tainted: G W 5.15.185-syzkaller #0 [ 43.168228][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.170923][ T4024] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.173011][ T4024] pc : __test_set_page_writeback+0xa34/0xc34 [ 43.174663][ T4024] lr : __test_set_page_writeback+0xa34/0xc34 [ 43.176235][ T4024] sp : ffff80001f197140 [ 43.177315][ T4024] x29: ffff80001f197220 x28: 0000000000000000 x27: 0000000000000000 [ 43.179552][ T4024] x26: ffff0000c058cd20 x25: dfff800000000000 x24: 0000000000000000 [ 43.181691][ T4024] x23: ffff0000db45a250 x22: fffffc0003301f48 x21: ffff80001f1971a0 [ 43.183873][ T4024] x20: 1fffff80006603e9 x19: fffffc0003301f40 x18: 0000000000000000 [ 43.186020][ T4024] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 43.188211][ T4024] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.190322][ T4024] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 43.192492][ T4024] x8 : ffff0000c1968000 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 43.194722][ T4024] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 43.196825][ T4024] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.199011][ T4024] Call trace: [ 43.199875][ T4024] __test_set_page_writeback+0xa34/0xc34 [ 43.201396][ T4024] gfs2_aspace_writepage+0x548/0x710 [ 43.202818][ T4024] __writepage+0x70/0x120 [ 43.203970][ T4024] write_cache_pages+0x7c8/0xde4 [ 43.205290][ T4024] generic_writepages+0xf4/0x160 [ 43.206601][ T4024] gfs2_ail1_flush+0x884/0xeac [ 43.207888][ T4024] empty_ail1_list+0x100/0x1d4 [ 43.209174][ T4024] gfs2_log_flush+0x16c0/0x2078 [ 43.210475][ T4024] gfs2_kill_sb+0x5c/0xd4 [ 43.211679][ T4024] deactivate_locked_super+0xb8/0x13c [ 43.213106][ T4024] deactivate_super+0xf8/0x118 [ 43.214400][ T4024] cleanup_mnt+0x3a4/0x458 [ 43.215589][ T4024] __cleanup_mnt+0x20/0x30 [ 43.216771][ T4024] task_work_run+0x12c/0x1e0 [ 43.218020][ T4024] do_exit+0x67c/0x1f58 [ 43.219303][ T4024] do_group_exit+0x100/0x268 [ 43.220640][ T4024] __wake_up_parent+0x0/0x60 [ 43.221912][ T4024] invoke_syscall+0x98/0x2b8 [ 43.223169][ T4024] el0_svc_common+0x138/0x258 [ 43.224506][ T4024] do_el0_svc+0x58/0x14c [ 43.225712][ T4024] el0_svc+0x78/0x1e0 [ 43.226827][ T4024] el0t_64_sync_handler+0xcc/0xe4 [ 43.228207][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 43.229523][ T4024] irq event stamp: 148424 [ 43.230713][ T4024] hardirqs last enabled at (148423): [] lock_page_memcg+0x110/0x234 [ 43.233369][ T4024] hardirqs last disabled at (148424): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.236196][ T4024] softirqs last enabled at (148406): [] handle_softirqs+0xa4c/0xbf0 [ 43.238909][ T4024] softirqs last disabled at (148393): [] __irq_exit_rcu+0x240/0x440 [ 43.241575][ T4024] ---[ end trace 31db9d417e120383 ]--- [ 43.244513][ C1] ------------[ cut here ]------------ [ 43.246205][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 43.249012][ C1] Modules linked in: [ 43.250107][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.185-syzkaller #0 [ 43.252666][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 43.255382][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.257514][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 43.259152][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 43.260811][ C1] sp : ffff80001b3879a0 [ 43.261920][ C1] x29: ffff80001b3879b0 x28: ffff0000cc388000 x27: fffffc0003301788 [ 43.264012][ C1] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 43.266136][ C1] x23: ffff0000c058cd20 x22: 0000000000000001 x21: 0000000000000001 [ 43.268270][ C1] x20: ffff0000db45a250 x19: fffffc0003301f40 x18: 0000000000000001 [ 43.270553][ C1] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 43.272808][ C1] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 43.274954][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 43.277110][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 43.279349][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 43.281546][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.283724][ C1] Call trace: [ 43.284658][ C1] test_clear_page_writeback+0x8d0/0xacc [ 43.286232][ C1] end_page_writeback+0x174/0x488 [ 43.287661][ C1] end_buffer_async_write+0x340/0x56c [ 43.289142][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 43.290506][ C1] bio_endio+0x744/0x788 [ 43.291684][ C1] blk_update_request+0x7a4/0x1100 [ 43.293151][ C1] blk_mq_end_request+0x54/0x88 [ 43.294458][ C1] lo_complete_rq+0x1ec/0x250 [ 43.295793][ C1] blk_done_softirq+0x11c/0x168 [ 43.297069][ C1] handle_softirqs+0x344/0xbf0 [ 43.298380][ C1] run_ksoftirqd+0x7c/0x2a0 [ 43.299614][ C1] smpboot_thread_fn+0x4b0/0x920 [ 43.300945][ C1] kthread+0x374/0x454 [ 43.302016][ C1] ret_from_fork+0x10/0x20 [ 43.303219][ C1] irq event stamp: 214955 [ 43.304361][ C1] hardirqs last enabled at (214954): [] lock_page_memcg+0x110/0x234 [ 43.306962][ C1] hardirqs last disabled at (214955): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 43.309661][ C1] softirqs last enabled at (214944): [] handle_softirqs+0xa4c/0xbf0 [ 43.312232][ C1] softirqs last disabled at (214949): [] run_ksoftirqd+0x7c/0x2a0 [ 43.314842][ C1] ---[ end trace 31db9d417e120384 ]---