Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts. executing program [ 40.711434][ T4023] loop0: detected capacity change from 0 to 32768 [ 40.799271][ T4023] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 40.801611][ T4023] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 40.818630][ T4023] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 40.822654][ T1536] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 40.824597][ T1536] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 40.865723][ T1536] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 41ms [ 40.868248][ T1536] gfs2: fsid=syz:syz.0: jid=0: Done [ 40.869987][ T4023] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 41.043086][ T4023] ------------[ cut here ]------------ [ 41.044716][ T4023] WARNING: CPU: 1 PID: 4023 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 41.047527][ T4023] Modules linked in: [ 41.048632][ T4023] CPU: 1 PID: 4023 Comm: syz-executor295 Not tainted 5.15.185-syzkaller #0 [ 41.051006][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 41.053816][ T4023] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 41.056020][ T4023] pc : __set_page_dirty+0x938/0xc74 [ 41.057506][ T4023] lr : __set_page_dirty+0x938/0xc74 [ 41.058920][ T4023] sp : ffff80001b7f7760 [ 41.059972][ T4023] x29: ffff80001b7f7770 x28: ffff0000d8714000 x27: 0000000000000000 [ 41.062164][ T4023] x26: dfff800000000000 x25: 1fffe00018092b51 x24: 0000000000000000 [ 41.064273][ T4023] x23: ffff0000c0495a88 x22: 0000000000000000 x21: 0000000000000001 [ 41.066517][ T4023] x20: ffff0000d1e1e250 x19: fffffc00035fd880 x18: 1fffe0003422158e [ 41.068774][ T4023] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 41.070964][ T4023] x14: ffff0000c17a2540 x13: ffff0000c17a25b8 x12: 0000000000ff0100 [ 41.073202][ T4023] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 41.075410][ T4023] x8 : ffff0000c17a1b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 41.077652][ T4023] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 41.079831][ T4023] x2 : ffff0000cc0d4060 x1 : 0000000000000000 x0 : 0000000000000000 [ 41.082037][ T4023] Call trace: [ 41.082891][ T4023] __set_page_dirty+0x938/0xc74 [ 41.084255][ T4023] mark_buffer_dirty+0x27c/0x52c [ 41.085611][ T4023] gfs2_unpin+0x12c/0xc28 [ 41.086824][ T4023] buf_lo_after_commit+0x140/0x188 [ 41.088217][ T4023] gfs2_log_flush+0x13cc/0x2078 [ 41.089541][ T4023] gfs2_kill_sb+0x5c/0xd4 [ 41.090799][ T4023] deactivate_locked_super+0xb8/0x13c [ 41.092282][ T4023] deactivate_super+0xf8/0x118 [ 41.093575][ T4023] cleanup_mnt+0x3a4/0x458 [ 41.094795][ T4023] __cleanup_mnt+0x20/0x30 [ 41.096014][ T4023] task_work_run+0x12c/0x1e0 [ 41.097275][ T4023] do_exit+0x67c/0x1f58 [ 41.098411][ T4023] do_group_exit+0x100/0x268 [ 41.099632][ T4023] __wake_up_parent+0x0/0x60 [ 41.100706][ T4023] invoke_syscall+0x98/0x2b8 [ 41.101754][ T4023] el0_svc_common+0x138/0x258 [ 41.102820][ T4023] do_el0_svc+0x58/0x14c [ 41.103789][ T4023] el0_svc+0x78/0x1e0 [ 41.104818][ T4023] el0t_64_sync_handler+0xcc/0xe4 [ 41.106236][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 41.107517][ T4023] irq event stamp: 148622 [ 41.108690][ T4023] hardirqs last enabled at (148621): [] lock_page_memcg+0x110/0x234 [ 41.111303][ T4023] hardirqs last disabled at (148622): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 41.114147][ T4023] softirqs last enabled at (146548): [] local_bh_enable+0x10/0x34 [ 41.116723][ T4023] softirqs last disabled at (146546): [] local_bh_disable+0x10/0x34 [ 41.119317][ T4023] ---[ end trace f966ef43f66f5e7a ]--- [ 41.122877][ T4023] ------------[ cut here ]------------ [ 41.124348][ T4023] WARNING: CPU: 0 PID: 4023 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 41.127241][ T4023] Modules linked in: [ 41.128319][ T4023] CPU: 0 PID: 4023 Comm: syz-executor295 Tainted: G W 5.15.185-syzkaller #0 [ 41.131037][ T4023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 41.133776][ T4023] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 41.135899][ T4023] pc : __test_set_page_writeback+0xa34/0xc34 [ 41.137579][ T4023] lr : __test_set_page_writeback+0xa34/0xc34 [ 41.139243][ T4023] sp : ffff80001b7f7140 [ 41.140345][ T4023] x29: ffff80001b7f7220 x28: 0000000000000000 x27: 0000000000000000 [ 41.142565][ T4023] x26: ffff0000c04958e0 x25: dfff800000000000 x24: 0000000000000000 [ 41.144746][ T4023] x23: ffff0000d1e1e250 x22: fffffc00035fd888 x21: ffff80001b7f71a0 [ 41.146910][ T4023] x20: 1fffff80006bfb11 x19: fffffc00035fd880 x18: 0000000000000000 [ 41.149008][ T4023] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 41.151092][ T4023] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 41.153212][ T4023] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 41.155285][ T4023] x8 : ffff0000c17a1b40 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 41.157392][ T4023] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 41.159551][ T4023] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 41.161748][ T4023] Call trace: [ 41.162953][ T4023] __test_set_page_writeback+0xa34/0xc34 [ 41.164585][ T4023] gfs2_aspace_writepage+0x548/0x710 [ 41.166125][ T4023] __writepage+0x70/0x120 [ 41.167285][ T4023] write_cache_pages+0x7c8/0xde4 [ 41.168670][ T4023] generic_writepages+0xf4/0x160 [ 41.170012][ T4023] gfs2_ail1_flush+0x884/0xeac [ 41.171378][ T4023] empty_ail1_list+0x100/0x1d4 [ 41.172749][ T4023] gfs2_log_flush+0x16c0/0x2078 [ 41.174115][ T4023] gfs2_kill_sb+0x5c/0xd4 [ 41.175342][ T4023] deactivate_locked_super+0xb8/0x13c [ 41.176829][ T4023] deactivate_super+0xf8/0x118 [ 41.178159][ T4023] cleanup_mnt+0x3a4/0x458 [ 41.179301][ T4023] __cleanup_mnt+0x20/0x30 [ 41.180533][ T4023] task_work_run+0x12c/0x1e0 [ 41.181821][ T4023] do_exit+0x67c/0x1f58 [ 41.182994][ T4023] do_group_exit+0x100/0x268 [ 41.184304][ T4023] __wake_up_parent+0x0/0x60 [ 41.185526][ T4023] invoke_syscall+0x98/0x2b8 [ 41.186867][ T4023] el0_svc_common+0x138/0x258 [ 41.188115][ T4023] do_el0_svc+0x58/0x14c [ 41.189274][ T4023] el0_svc+0x78/0x1e0 [ 41.190405][ T4023] el0t_64_sync_handler+0xcc/0xe4 [ 41.191831][ T4023] el0t_64_sync+0x1a0/0x1a4 [ 41.193089][ T4023] irq event stamp: 148676 [ 41.194285][ T4023] hardirqs last enabled at (148675): [] lock_page_memcg+0x110/0x234 [ 41.197008][ T4023] hardirqs last disabled at (148676): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 41.199893][ T4023] softirqs last enabled at (148644): [] handle_softirqs+0xa4c/0xbf0 [ 41.202548][ T4023] softirqs last disabled at (148625): [] __irq_exit_rcu+0x240/0x440 [ 41.205280][ T4023] ---[ end trace f966ef43f66f5e7b ]--- [ 41.208117][ C0] ------------[ cut here ]------------ [ 41.209784][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 41.212591][ C0] Modules linked in: [ 41.213491][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 41.215667][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 41.217973][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 41.219789][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 41.221226][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 41.222841][ C0] sp : ffff80001b3179a0 [ 41.223974][ C0] x29: ffff80001b3179b0 x28: ffff0000cc0d4000 x27: fffffc00035fd808 [ 41.226210][ C0] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 41.228509][ C0] x23: ffff0000c04958e0 x22: 0000000000000001 x21: 0000000000000001 [ 41.230807][ C0] x20: ffff0000d1e1e250 x19: fffffc00035fd880 x18: 0000000000000001 [ 41.233067][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 41.235302][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 41.237607][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 41.239852][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 41.242163][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 41.244423][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 41.246676][ C0] Call trace: [ 41.247656][ C0] test_clear_page_writeback+0x8d0/0xacc [ 41.249267][ C0] end_page_writeback+0x174/0x488 [ 41.250719][ C0] end_buffer_async_write+0x340/0x56c [ 41.252296][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 41.253704][ C0] bio_endio+0x744/0x788 [ 41.254921][ C0] blk_update_request+0x7a4/0x1100 [ 41.256353][ C0] blk_mq_end_request+0x54/0x88 [ 41.257725][ C0] lo_complete_rq+0x1ec/0x250 [ 41.259158][ C0] blk_done_softirq+0x11c/0x168 [ 41.260540][ C0] handle_softirqs+0x344/0xbf0 [ 41.261888][ C0] run_ksoftirqd+0x7c/0x2a0 [ 41.263180][ C0] smpboot_thread_fn+0x4b0/0x920 [ 41.264578][ C0] kthread+0x374/0x454 [ 41.265714][ C0] ret_from_fork+0x10/0x20 [ 41.267000][ C0] irq event stamp: 227011 [ 41.268199][ C0] hardirqs last enabled at (227010): [] lock_page_memcg+0x110/0x234 [ 41.270999][ C0] hardirqs last disabled at (227011): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 41.274030][ C0] softirqs last enabled at (227000): [] handle_softirqs+0xa4c/0xbf0 [ 41.276795][ C0] softirqs last disabled at (227005): [] run_ksoftirqd+0x7c/0x2a0 [ 41.279416][ C0] ---[ end trace f966ef43f66f5e7c ]---