Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. executing program [ 57.803311][ T4029] loop0: detected capacity change from 0 to 32768 [ 57.863367][ T4029] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 57.865781][ T4029] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 57.890305][ T4029] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 57.894540][ T1961] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 57.896402][ T1961] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 57.934356][ T1961] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 37ms [ 57.937400][ T1961] gfs2: fsid=syz:syz.0: jid=0: Done [ 57.939280][ T4029] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 58.066661][ T4029] ------------[ cut here ]------------ [ 58.068421][ T4029] WARNING: CPU: 0 PID: 4029 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 58.071229][ T4029] Modules linked in: [ 58.072246][ T4029] CPU: 0 PID: 4029 Comm: syz-executor115 Not tainted 5.15.185-syzkaller #0 [ 58.074539][ T4029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 58.077184][ T4029] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 58.079269][ T4029] pc : __set_page_dirty+0x938/0xc74 [ 58.080703][ T4029] lr : __set_page_dirty+0x938/0xc74 [ 58.082127][ T4029] sp : ffff80001f057760 [ 58.083265][ T4029] x29: ffff80001f057770 x28: ffff0000c5ee0000 x27: 0000000000000000 [ 58.085470][ T4029] x26: dfff800000000000 x25: 1fffe00018092b51 x24: 0000000000000000 [ 58.087670][ T4029] x23: ffff0000c0495a88 x22: 0000000000000000 x21: 0000000000000001 [ 58.089900][ T4029] x20: ffff0000cb3f82a0 x19: fffffc000372a2c0 x18: 1fffe0003421d38e [ 58.092060][ T4029] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 58.094207][ T4029] x14: ffff0000c192a540 x13: dfff800000000000 x12: 0000000000ff0100 [ 58.096342][ T4029] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 58.098471][ T4029] x8 : ffff0000c1929b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.100584][ T4029] x5 : ffff800016e2f6d0 x4 : 0000000000000008 x3 : ffff80000899ce68 [ 58.102738][ T4029] x2 : ffff0000cc340060 x1 : 0000000000000000 x0 : 0000000000000000 [ 58.104887][ T4029] Call trace: [ 58.105740][ T4029] __set_page_dirty+0x938/0xc74 [ 58.107034][ T4029] mark_buffer_dirty+0x27c/0x52c [ 58.108353][ T4029] gfs2_unpin+0x12c/0xc28 [ 58.109533][ T4029] buf_lo_after_commit+0x140/0x188 [ 58.110965][ T4029] gfs2_log_flush+0x13cc/0x2078 [ 58.112291][ T4029] gfs2_kill_sb+0x5c/0xd4 [ 58.113438][ T4029] deactivate_locked_super+0xb8/0x13c [ 58.114883][ T4029] deactivate_super+0xf8/0x118 [ 58.116206][ T4029] cleanup_mnt+0x3a4/0x458 [ 58.117378][ T4029] __cleanup_mnt+0x20/0x30 [ 58.118532][ T4029] task_work_run+0x12c/0x1e0 [ 58.119748][ T4029] do_exit+0x67c/0x1f58 [ 58.120895][ T4029] do_group_exit+0x100/0x268 [ 58.122120][ T4029] __wake_up_parent+0x0/0x60 [ 58.123383][ T4029] invoke_syscall+0x98/0x2b8 [ 58.124584][ T4029] el0_svc_common+0x138/0x258 [ 58.125839][ T4029] do_el0_svc+0x58/0x14c [ 58.126939][ T4029] el0_svc+0x78/0x1e0 [ 58.128016][ T4029] el0t_64_sync_handler+0xcc/0xe4 [ 58.129334][ T4029] el0t_64_sync+0x1a0/0x1a4 [ 58.130555][ T4029] irq event stamp: 146254 [ 58.131702][ T4029] hardirqs last enabled at (146253): [] lock_page_memcg+0x110/0x234 [ 58.134345][ T4029] hardirqs last disabled at (146254): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 58.137076][ T4029] softirqs last enabled at (144148): [] local_bh_enable+0x10/0x34 [ 58.139583][ T4029] softirqs last disabled at (144146): [] local_bh_disable+0x10/0x34 [ 58.142195][ T4029] ---[ end trace f63efe93cf903e4e ]--- [ 58.144531][ T4029] ------------[ cut here ]------------ [ 58.145958][ T4029] WARNING: CPU: 0 PID: 4029 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 58.148961][ T4029] Modules linked in: [ 58.149998][ T4029] CPU: 0 PID: 4029 Comm: syz-executor115 Tainted: G W 5.15.185-syzkaller #0 [ 58.152664][ T4029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 58.155408][ T4029] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 58.157503][ T4029] pc : __test_set_page_writeback+0xa34/0xc34 [ 58.159096][ T4029] lr : __test_set_page_writeback+0xa34/0xc34 [ 58.160666][ T4029] sp : ffff80001f057140 [ 58.161739][ T4029] x29: ffff80001f057220 x28: 0000000000000000 x27: 0000000000000000 [ 58.163912][ T4029] x26: ffff0000c04958e0 x25: dfff800000000000 x24: 0000000000000000 [ 58.166095][ T4029] x23: ffff0000cb3f82a0 x22: fffffc000372a2c8 x21: ffff80001f0571a0 [ 58.168260][ T4029] x20: 1fffff80006e5459 x19: fffffc000372a2c0 x18: 0000000000000000 [ 58.170371][ T4029] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 58.172480][ T4029] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 58.174601][ T4029] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 58.176756][ T4029] x8 : ffff0000c1929b40 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 58.178897][ T4029] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 58.181028][ T4029] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 58.183176][ T4029] Call trace: [ 58.184007][ T4029] __test_set_page_writeback+0xa34/0xc34 [ 58.185554][ T4029] gfs2_aspace_writepage+0x548/0x710 [ 58.186987][ T4029] __writepage+0x70/0x120 [ 58.188163][ T4029] write_cache_pages+0x7c8/0xde4 [ 58.189497][ T4029] generic_writepages+0xf4/0x160 [ 58.190807][ T4029] gfs2_ail1_flush+0x884/0xeac [ 58.192111][ T4029] empty_ail1_list+0x100/0x1d4 [ 58.193367][ T4029] gfs2_log_flush+0x16c0/0x2078 [ 58.194669][ T4029] gfs2_kill_sb+0x5c/0xd4 [ 58.195812][ T4029] deactivate_locked_super+0xb8/0x13c [ 58.197328][ T4029] deactivate_super+0xf8/0x118 [ 58.198597][ T4029] cleanup_mnt+0x3a4/0x458 [ 58.199820][ T4029] __cleanup_mnt+0x20/0x30 [ 58.201032][ T4029] task_work_run+0x12c/0x1e0 [ 58.202244][ T4029] do_exit+0x67c/0x1f58 [ 58.203344][ T4029] do_group_exit+0x100/0x268 [ 58.204564][ T4029] __wake_up_parent+0x0/0x60 [ 58.205788][ T4029] invoke_syscall+0x98/0x2b8 [ 58.207039][ T4029] el0_svc_common+0x138/0x258 [ 58.208255][ T4029] do_el0_svc+0x58/0x14c [ 58.209332][ T4029] el0_svc+0x78/0x1e0 [ 58.210398][ T4029] el0t_64_sync_handler+0xcc/0xe4 [ 58.211719][ T4029] el0t_64_sync+0x1a0/0x1a4 [ 58.212923][ T4029] irq event stamp: 146300 [ 58.214047][ T4029] hardirqs last enabled at (146299): [] lock_page_memcg+0x110/0x234 [ 58.216672][ T4029] hardirqs last disabled at (146300): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 58.219385][ T4029] softirqs last enabled at (146288): [] handle_softirqs+0xa4c/0xbf0 [ 58.221953][ T4029] softirqs last disabled at (146257): [] __irq_exit_rcu+0x240/0x440 [ 58.224479][ T4029] ---[ end trace f63efe93cf903e4f ]--- [ 58.231976][ C1] ------------[ cut here ]------------ [ 58.233607][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 58.236519][ C1] Modules linked in: [ 58.237523][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.185-syzkaller #0 [ 58.240083][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 58.242815][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 58.244884][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 58.246513][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 58.248116][ C1] sp : ffff80001b3879a0 [ 58.249221][ C1] x29: ffff80001b3879b0 x28: ffff0000cc340000 x27: fffffc0003402908 [ 58.251351][ C1] x26: dfff800000000000 x25: 05ffc00000002010 x24: 0000000000000000 [ 58.253534][ C1] x23: ffff0000c04958e0 x22: 0000000000000001 x21: 0000000000000001 [ 58.255664][ C1] x20: ffff0000cb3f82a0 x19: fffffc000372a2c0 x18: 1fffe0003422158e [ 58.257850][ C1] x17: 1fffe0003422158e x16: ffff8000082bdf08 x15: ffff8000141fec20 [ 58.259968][ C1] x14: ffff0001a110ac80 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 58.262156][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 58.264346][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 58.266498][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 58.268624][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 58.270810][ C1] Call trace: [ 58.271688][ C1] test_clear_page_writeback+0x8d0/0xacc [ 58.273243][ C1] end_page_writeback+0x174/0x488 [ 58.274602][ C1] end_buffer_async_write+0x340/0x56c [ 58.276021][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 58.277312][ C1] bio_endio+0x744/0x788 [ 58.278474][ C1] blk_update_request+0x7a4/0x1100 [ 58.279840][ C1] blk_mq_end_request+0x54/0x88 [ 58.281189][ C1] lo_complete_rq+0x1ec/0x250 [ 58.282436][ C1] blk_done_softirq+0x11c/0x168 [ 58.283756][ C1] handle_softirqs+0x344/0xbf0 [ 58.285009][ C1] run_ksoftirqd+0x7c/0x2a0 [ 58.286242][ C1] smpboot_thread_fn+0x4b0/0x920 [ 58.287573][ C1] kthread+0x374/0x454 [ 58.288625][ C1] ret_from_fork+0x10/0x20 [ 58.289762][ C1] irq event stamp: 177215 [ 58.290932][ C1] hardirqs last enabled at (177214): [] lock_page_memcg+0x110/0x234 [ 58.293489][ C1] hardirqs last disabled at (177215): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 58.296317][ C1] softirqs last enabled at (177204): [] handle_softirqs+0xa4c/0xbf0 [ 58.298906][ C1] softirqs last disabled at (177209): [] run_ksoftirqd+0x7c/0x2a0 [ 58.301365][ C1] ---[ end trace f63efe93cf903e50 ]---