Warning: Permanently added '10.128.10.51' (ED25519) to the list of known hosts. executing program [ 50.878090][ T4024] loop0: detected capacity change from 0 to 32768 [ 50.964266][ T4024] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 50.966552][ T4024] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 50.990987][ T4024] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 50.995736][ T2393] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 50.997768][ T2393] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.041384][ T2393] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 43ms [ 51.043951][ T2393] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.045715][ T4024] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.172952][ T4024] ------------[ cut here ]------------ [ 51.174614][ T4024] WARNING: CPU: 0 PID: 4024 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 51.177342][ T4024] Modules linked in: [ 51.178373][ T4024] CPU: 0 PID: 4024 Comm: syz-executor238 Not tainted 5.15.185-syzkaller #0 [ 51.180633][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 51.183479][ T4024] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.185628][ T4024] pc : __set_page_dirty+0x938/0xc74 [ 51.187090][ T4024] lr : __set_page_dirty+0x938/0xc74 [ 51.188525][ T4024] sp : ffff80001b7f7760 [ 51.189624][ T4024] x29: ffff80001b7f7770 x28: ffff0000d05f0000 x27: 0000000000000000 [ 51.191828][ T4024] x26: dfff800000000000 x25: 1fffe000180b19d9 x24: 0000000000000000 [ 51.194006][ T4024] x23: ffff0000c058cec8 x22: 0000000000000000 x21: 0000000000000001 [ 51.196297][ T4024] x20: ffff0000d632e250 x19: fffffc00034141c0 x18: 1fffe0003421d38e [ 51.198553][ T4024] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 51.200787][ T4024] x14: ffff0000d9bb0a00 x13: dfff800000000000 x12: 0000000000ff0100 [ 51.202977][ T4024] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 51.205173][ T4024] x8 : ffff0000d9bb0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.207331][ T4024] x5 : ffff800016e31b48 x4 : 0000000000000008 x3 : ffff80000899ce68 [ 51.209483][ T4024] x2 : ffff0000cbaae060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.211671][ T4024] Call trace: [ 51.212558][ T4024] __set_page_dirty+0x938/0xc74 [ 51.213911][ T4024] mark_buffer_dirty+0x27c/0x52c [ 51.215232][ T4024] gfs2_unpin+0x12c/0xc28 [ 51.216439][ T4024] buf_lo_after_commit+0x140/0x188 [ 51.217928][ T4024] gfs2_log_flush+0x13cc/0x2078 [ 51.219252][ T4024] gfs2_kill_sb+0x5c/0xd4 [ 51.220404][ T4024] deactivate_locked_super+0xb8/0x13c [ 51.221895][ T4024] deactivate_super+0xf8/0x118 [ 51.223162][ T4024] cleanup_mnt+0x3a4/0x458 [ 51.224380][ T4024] __cleanup_mnt+0x20/0x30 [ 51.225582][ T4024] task_work_run+0x12c/0x1e0 [ 51.226783][ T4024] do_exit+0x67c/0x1f58 [ 51.227949][ T4024] do_group_exit+0x100/0x268 [ 51.229173][ T4024] __wake_up_parent+0x0/0x60 [ 51.230392][ T4024] invoke_syscall+0x98/0x2b8 [ 51.231637][ T4024] el0_svc_common+0x138/0x258 [ 51.232922][ T4024] do_el0_svc+0x58/0x14c [ 51.234091][ T4024] el0_svc+0x78/0x1e0 [ 51.235143][ T4024] el0t_64_sync_handler+0xcc/0xe4 [ 51.236564][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 51.237783][ T4024] irq event stamp: 146092 [ 51.238955][ T4024] hardirqs last enabled at (146091): [] lock_page_memcg+0x110/0x234 [ 51.241557][ T4024] hardirqs last disabled at (146092): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.244380][ T4024] softirqs last enabled at (146012): [] handle_softirqs+0xa4c/0xbf0 [ 51.246968][ T4024] softirqs last disabled at (146007): [] __irq_exit_rcu+0x240/0x440 [ 51.249562][ T4024] ---[ end trace 996c00801275d90f ]--- [ 51.252184][ T4024] ------------[ cut here ]------------ [ 51.253640][ T4024] WARNING: CPU: 1 PID: 4024 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 51.256522][ T4024] Modules linked in: [ 51.257602][ T4024] CPU: 1 PID: 4024 Comm: syz-executor238 Tainted: G W 5.15.185-syzkaller #0 [ 51.260240][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 51.263051][ T4024] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.265154][ T4024] pc : __test_set_page_writeback+0xa34/0xc34 [ 51.266771][ T4024] lr : __test_set_page_writeback+0xa34/0xc34 [ 51.268464][ T4024] sp : ffff80001b7f7140 [ 51.269606][ T4024] x29: ffff80001b7f7220 x28: 0000000000000000 x27: 0000000000000000 [ 51.271707][ T4024] x26: ffff0000c058cd20 x25: dfff800000000000 x24: 0000000000000000 [ 51.273940][ T4024] x23: ffff0000d632e250 x22: fffffc00034141c8 x21: ffff80001b7f71a0 [ 51.276074][ T4024] x20: 1fffff8000682839 x19: fffffc00034141c0 x18: 0000000000000000 [ 51.278315][ T4024] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000406 [ 51.280554][ T4024] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 51.282773][ T4024] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 51.284952][ T4024] x8 : ffff0000d9bb0000 x7 : ffff8000086a00cc x6 : 0000000000000000 [ 51.287111][ T4024] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086a0194 [ 51.289362][ T4024] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.291522][ T4024] Call trace: [ 51.292444][ T4024] __test_set_page_writeback+0xa34/0xc34 [ 51.293965][ T4024] gfs2_aspace_writepage+0x548/0x710 [ 51.295447][ T4024] __writepage+0x70/0x120 [ 51.296628][ T4024] write_cache_pages+0x7c8/0xde4 [ 51.298015][ T4024] generic_writepages+0xf4/0x160 [ 51.299363][ T4024] gfs2_ail1_flush+0x884/0xeac [ 51.300769][ T4024] empty_ail1_list+0x100/0x1d4 [ 51.302100][ T4024] gfs2_log_flush+0x16c0/0x2078 [ 51.303436][ T4024] gfs2_kill_sb+0x5c/0xd4 [ 51.304681][ T4024] deactivate_locked_super+0xb8/0x13c [ 51.306176][ T4024] deactivate_super+0xf8/0x118 [ 51.307605][ T4024] cleanup_mnt+0x3a4/0x458 [ 51.308846][ T4024] __cleanup_mnt+0x20/0x30 [ 51.310092][ T4024] task_work_run+0x12c/0x1e0 [ 51.311369][ T4024] do_exit+0x67c/0x1f58 [ 51.312567][ T4024] do_group_exit+0x100/0x268 [ 51.313856][ T4024] __wake_up_parent+0x0/0x60 [ 51.315175][ T4024] invoke_syscall+0x98/0x2b8 [ 51.316549][ T4024] el0_svc_common+0x138/0x258 [ 51.317890][ T4024] do_el0_svc+0x58/0x14c [ 51.319146][ T4024] el0_svc+0x78/0x1e0 [ 51.320297][ T4024] el0t_64_sync_handler+0xcc/0xe4 [ 51.321711][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 51.323017][ T4024] irq event stamp: 146138 [ 51.324213][ T4024] hardirqs last enabled at (146137): [] lock_page_memcg+0x110/0x234 [ 51.326885][ T4024] hardirqs last disabled at (146138): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.329671][ T4024] softirqs last enabled at (146118): [] handle_softirqs+0xa4c/0xbf0 [ 51.332361][ T4024] softirqs last disabled at (146095): [] __irq_exit_rcu+0x240/0x440 [ 51.335076][ T4024] ---[ end trace 996c00801275d910 ]--- [ 51.337557][ C1] ------------[ cut here ]------------ [ 51.339243][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 51.342230][ C1] Modules linked in: [ 51.343313][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.185-syzkaller #0 [ 51.346038][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 51.348832][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.351036][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 51.352685][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 51.354315][ C1] sp : ffff80001b3879a0 [ 51.355442][ C1] x29: ffff80001b3879b0 x28: ffff0000cbaae000 x27: fffffc000340bd48 [ 51.357702][ C1] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 51.359879][ C1] x23: ffff0000c058cd20 x22: 0000000000000001 x21: 0000000000000001 [ 51.362158][ C1] x20: ffff0000d632e250 x19: fffffc00034141c0 x18: 0000000000000001 [ 51.364468][ C1] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 51.366691][ C1] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 51.368971][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 51.371168][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.373388][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 51.375563][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.377757][ C1] Call trace: [ 51.378680][ C1] test_clear_page_writeback+0x8d0/0xacc [ 51.380287][ C1] end_page_writeback+0x174/0x488 [ 51.381670][ C1] end_buffer_async_write+0x340/0x56c [ 51.383125][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 51.384475][ C1] bio_endio+0x744/0x788 [ 51.385639][ C1] blk_update_request+0x7a4/0x1100 [ 51.387079][ C1] blk_mq_end_request+0x54/0x88 [ 51.388452][ C1] lo_complete_rq+0x1ec/0x250 [ 51.389778][ C1] blk_done_softirq+0x11c/0x168 [ 51.391098][ C1] handle_softirqs+0x344/0xbf0 [ 51.392419][ C1] run_ksoftirqd+0x7c/0x2a0 [ 51.393606][ C1] smpboot_thread_fn+0x4b0/0x920 [ 51.395025][ C1] kthread+0x374/0x454 [ 51.396131][ C1] ret_from_fork+0x10/0x20 [ 51.397367][ C1] irq event stamp: 154599 [ 51.398523][ C1] hardirqs last enabled at (154598): [] lock_page_memcg+0x110/0x234 [ 51.401120][ C1] hardirqs last disabled at (154599): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 51.403840][ C1] softirqs last enabled at (154588): [] handle_softirqs+0xa4c/0xbf0 [ 51.406575][ C1] softirqs last disabled at (154593): [] run_ksoftirqd+0x7c/0x2a0 [ 51.409269][ C1] ---[ end trace 996c00801275d911 ]---