Warning: Permanently added '10.128.0.60' (ED25519) to the list of known hosts. executing program [ 36.853526][ T4295] loop0: detected capacity change from 0 to 32768 [ 36.858920][ T4295] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 36.861302][ T4295] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 36.868286][ T4295] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 36.871856][ T3875] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 36.873785][ T3875] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 36.902720][ T3875] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 28ms [ 36.905151][ T3875] gfs2: fsid=syz:syz.0: jid=0: Done [ 36.907237][ T4295] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 36.993643][ T4295] gfs2: fsid=syz:syz.0: found 1 quota changes [ 37.005807][ T4295] ------------[ cut here ]------------ [ 37.007438][ T4295] WARNING: CPU: 1 PID: 4295 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 37.010287][ T4295] Modules linked in: [ 37.011446][ T4295] CPU: 1 PID: 4295 Comm: syz-executor136 Not tainted 6.1.141-syzkaller #0 [ 37.013763][ T4295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 37.016704][ T4295] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.018869][ T4295] pc : __folio_mark_dirty+0x8a0/0xce0 [ 37.020448][ T4295] lr : __folio_mark_dirty+0x8a0/0xce0 [ 37.021909][ T4295] sp : ffff8000206273e0 [ 37.023013][ T4295] x29: ffff800020627400 x28: 1fffff80006e5fc8 x27: dfff800000000000 [ 37.025180][ T4295] x26: 0000000000000000 x25: ffff0000c053f590 x24: 0000000000000001 [ 37.027433][ T4295] x23: 0000000000000000 x22: fffffc000372fe48 x21: 1fffe000180a7eb2 [ 37.029650][ T4295] x20: ffff0000c3b22250 x19: fffffc000372fe40 x18: ffff800011a7bce0 [ 37.031867][ T4295] x17: ffff8000181a1000 x16: ffff8000082d0750 x15: ffff800017c81fc0 [ 37.034122][ T4295] x14: ffff0000d4d62658 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 [ 37.036347][ T4295] x11: ff008000086fa924 x10: 0000000000000000 x9 : ffff8000086fa924 [ 37.038540][ T4295] x8 : ffff0000d4d61bc0 x7 : ffff8000086fa0c8 x6 : 0000000000000000 [ 37.040719][ T4295] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a45288 [ 37.042949][ T4295] x2 : ffff0000ce634060 x1 : 0000000000000000 x0 : 0000000000000000 [ 37.045132][ T4295] Call trace: [ 37.046056][ T4295] __folio_mark_dirty+0x8a0/0xce0 [ 37.047454][ T4295] mark_buffer_dirty+0x2b8/0x5cc [ 37.048818][ T4295] gfs2_unpin+0x120/0x914 [ 37.050039][ T4295] buf_lo_after_commit+0x140/0x188 [ 37.051449][ T4295] gfs2_log_flush+0xbc8/0x1aa0 [ 37.052715][ T4295] do_sync+0x88c/0xa94 [ 37.053823][ T4295] gfs2_quota_sync+0x2e0/0x528 [ 37.055203][ T4295] gfs2_sync_fs+0x4c/0xc4 [ 37.056423][ T4295] sync_filesystem+0xe8/0x218 [ 37.057699][ T4295] generic_shutdown_super+0x70/0x324 [ 37.059107][ T4295] kill_block_super+0x70/0xdc [ 37.060382][ T4295] gfs2_kill_sb+0xc0/0xd4 [ 37.061593][ T4295] deactivate_locked_super+0xac/0x124 [ 37.063083][ T4295] deactivate_super+0xe8/0x108 [ 37.064352][ T4295] cleanup_mnt+0x37c/0x404 [ 37.065546][ T4295] __cleanup_mnt+0x20/0x30 [ 37.066721][ T4295] task_work_run+0x1ec/0x270 [ 37.067958][ T4295] do_exit+0x544/0x19a8 [ 37.069030][ T4295] do_group_exit+0x194/0x22c [ 37.070287][ T4295] __wake_up_parent+0x0/0x60 [ 37.071510][ T4295] invoke_syscall+0x98/0x2bc [ 37.072727][ T4295] el0_svc_common+0x138/0x258 [ 37.073990][ T4295] do_el0_svc+0x58/0x13c [ 37.075114][ T4295] el0_svc+0x58/0x138 [ 37.076171][ T4295] el0t_64_sync_handler+0x84/0xf0 [ 37.077557][ T4295] el0t_64_sync+0x18c/0x190 [ 37.078769][ T4295] irq event stamp: 118794 [ 37.079924][ T4295] hardirqs last enabled at (118793): [] folio_memcg_lock+0xe8/0x1fc [ 37.082542][ T4295] hardirqs last disabled at (118794): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 37.085350][ T4295] softirqs last enabled at (116852): [] local_bh_enable+0x10/0x34 [ 37.087991][ T4295] softirqs last disabled at (116850): [] local_bh_disable+0x10/0x34 [ 37.090535][ T4295] ---[ end trace 0000000000000000 ]--- [ 37.096761][ T1828] ------------[ cut here ]------------ [ 37.098415][ T1828] WARNING: CPU: 1 PID: 1828 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 37.101421][ T1828] Modules linked in: [ 37.102534][ T1828] CPU: 1 PID: 1828 Comm: kworker/u4:6 Tainted: G W 6.1.141-syzkaller #0 [ 37.105130][ T1828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 37.107890][ T1828] Workqueue: writeback wb_workfn (flush-7:0) [ 37.109598][ T1828] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.111685][ T1828] pc : __folio_start_writeback+0x868/0xa68 [ 37.113317][ T1828] lr : __folio_start_writeback+0x868/0xa68 [ 37.114981][ T1828] sp : ffff8000253e6c80 [ 37.116103][ T1828] x29: ffff8000253e6d60 x28: dfff800000000000 x27: 0000000000000000 [ 37.118261][ T1828] x26: ffff700004a7cd98 x25: 0000000000000000 x24: ffff0000c3b22ce0 [ 37.120475][ T1828] x23: ffff8000253e6ce0 x22: ffff0000c053f3e8 x21: 0000000000000001 [ 37.122613][ T1828] x20: fffffc000381bcc8 x19: fffffc000381bcc0 x18: ffff800011a7bce0 [ 37.124840][ T1828] x17: ffff8000181a1000 x16: ffff8000082d0750 x15: ffff800017c81fc0 [ 37.127117][ T1828] x14: ffff0000d05c0a98 x13: ffff0000d05c0b10 x12: 0000000000ff0100 [ 37.129318][ T1828] x11: ff008000086fce3c x10: 0000000000000000 x9 : ffff8000086fce3c [ 37.131555][ T1828] x8 : ffff0000d05c0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 37.133813][ T1828] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086fc8fc [ 37.136017][ T1828] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 37.138224][ T1828] Call trace: [ 37.139095][ T1828] __folio_start_writeback+0x868/0xa68 [ 37.140633][ T1828] set_page_writeback+0x5c/0x7c [ 37.141995][ T1828] gfs2_aspace_writepage+0x520/0x6e8 [ 37.143462][ T1828] __writepage+0x70/0x18c [ 37.144649][ T1828] write_cache_pages+0x73c/0xdd4 [ 37.146006][ T1828] do_writepages+0x320/0x4fc [ 37.147254][ T1828] filemap_fdatawrite_wbc+0x124/0x174 [ 37.148698][ T1828] filemap_fdatawrite+0xc4/0x114 [ 37.150048][ T1828] gfs2_write_inode+0x234/0x34c [ 37.151336][ T1828] __writeback_single_inode+0x5e0/0x157c [ 37.152851][ T1828] writeback_sb_inodes+0x824/0x1404 [ 37.154302][ T1828] wb_writeback+0x400/0xfb0 [ 37.155551][ T1828] wb_workfn+0x34c/0xd98 [ 37.156710][ T1828] process_one_work+0x7f4/0x13a8 [ 37.158112][ T1828] worker_thread+0x8c8/0xfbc [ 37.159379][ T1828] kthread+0x250/0x2d8 [ 37.160483][ T1828] ret_from_fork+0x10/0x20 [ 37.161700][ T1828] irq event stamp: 710328 [ 37.162863][ T1828] hardirqs last enabled at (710327): [] folio_memcg_lock+0xe8/0x1fc [ 37.165589][ T1828] hardirqs last disabled at (710328): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 37.168328][ T1828] softirqs last enabled at (703446): [] handle_softirqs+0xaf8/0xc6c [ 37.170935][ T1828] softirqs last disabled at (703441): [] __do_softirq+0x14/0x20 [ 37.173369][ T1828] ---[ end trace 0000000000000000 ]--- [ 37.177485][ C1] ------------[ cut here ]------------ [ 37.179148][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 37.181973][ C1] Modules linked in: [ 37.182926][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W 6.1.141-syzkaller #0 [ 37.185472][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 37.188189][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.190330][ C1] pc : __folio_end_writeback+0x7d4/0x9e0 [ 37.191855][ C1] lr : __folio_end_writeback+0x7d4/0x9e0 [ 37.193479][ C1] sp : ffff80001c8e7960 [ 37.194587][ C1] x29: ffff80001c8e7980 x28: dfff800000000000 x27: ffff0000c053f3e8 [ 37.196908][ C1] x26: 0000000000000000 x25: 05ffd400000020d2 x24: 1fffff8000703798 [ 37.199145][ C1] x23: 0000000000000001 x22: ffff0000c3b22ce0 x21: ffff0000c3b22ce8 [ 37.201357][ C1] x20: 0000000000000001 x19: fffffc000381bcc0 x18: ffff800011a7bce0 [ 37.203511][ C1] x17: 1fffe00033ee7176 x16: ffff8000082d0750 x15: 0000000000000000 [ 37.205702][ C1] x14: 0000000000000002 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 [ 37.208000][ C1] x11: ff008000086fc3c8 x10: 0000000000000000 x9 : ffff8000086fc3c8 [ 37.210318][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 37.212565][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 37.214735][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 37.216951][ C1] Call trace: [ 37.217810][ C1] __folio_end_writeback+0x7d4/0x9e0 [ 37.219293][ C1] folio_end_writeback+0x12c/0x41c [ 37.220673][ C1] end_page_writeback+0x58/0x74 [ 37.222041][ C1] end_buffer_async_write+0x32c/0x508 [ 37.223468][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 37.224826][ C1] bio_endio+0x770/0x7b4 [ 37.225942][ C1] blk_update_request+0x49c/0xbec [ 37.227308][ C1] blk_mq_end_request+0x54/0x88 [ 37.228668][ C1] lo_complete_rq+0x1ec/0x250 [ 37.229944][ C1] blk_done_softirq+0x11c/0x168 [ 37.231281][ C1] handle_softirqs+0x318/0xc6c [ 37.232568][ C1] run_ksoftirqd+0x7c/0x2a0 [ 37.233843][ C1] smpboot_thread_fn+0x4b0/0x964 [ 37.235233][ C1] kthread+0x250/0x2d8 [ 37.236359][ C1] ret_from_fork+0x10/0x20 [ 37.237519][ C1] irq event stamp: 275083 [ 37.238696][ C1] hardirqs last enabled at (275082): [] folio_memcg_lock+0xe8/0x1fc [ 37.241337][ C1] hardirqs last disabled at (275083): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 37.244115][ C1] softirqs last enabled at (275072): [] handle_softirqs+0xaf8/0xc6c [ 37.246815][ C1] softirqs last disabled at (275077): [] run_ksoftirqd+0x7c/0x2a0 [ 37.249446][ C1] ---[ end trace 0000000000000000 ]---