[ 15.321290][ T3899] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.324568][ T3899] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.367465][ T1638] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.372140][ T3808] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts. executing program syzkaller login: [ 36.543901][ T4224] loop0: detected capacity change from 0 to 32768 [ 36.549869][ T4224] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 36.552005][ T4224] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 36.565246][ T4224] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 36.568901][ T14] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 36.570981][ T14] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 36.600587][ T14] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 29ms [ 36.602864][ T14] gfs2: fsid=syz:syz.0: jid=0: Done [ 36.604386][ T4224] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 36.705010][ T4224] ------------[ cut here ]------------ [ 36.706621][ T4224] WARNING: CPU: 0 PID: 4224 at include/linux/backing-dev.h:246 __folio_mark_dirty+0x878/0xd04 [ 36.709305][ T4224] Modules linked in: [ 36.710345][ T4224] CPU: 0 PID: 4224 Comm: syz-executor220 Not tainted 6.1.94-syzkaller #0 [ 36.712670][ T4224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 36.715300][ T4224] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.717417][ T4224] pc : __folio_mark_dirty+0x878/0xd04 [ 36.718884][ T4224] lr : __folio_mark_dirty+0x878/0xd04 [ 36.720303][ T4224] sp : ffff8000208876c0 [ 36.721415][ T4224] x29: ffff8000208876e0 x28: dfff800000000000 x27: 1fffe00018092512 [ 36.723500][ T4224] x26: 0000000000000000 x25: ffff0000c0492890 x24: 0000000000000001 [ 36.725609][ T4224] x23: 0000000000000000 x22: fffffc00034bd948 x21: 1fffff8000697b28 [ 36.727760][ T4224] x20: ffff0000d1738d38 x19: fffffc00034bd940 x18: ffff8000208873a0 [ 36.729891][ T4224] x17: ffff8000188df000 x16: ffff8000083037a8 x15: ffff8000183c4f80 [ 36.732071][ T4224] x14: ffff0000dde8c1f8 x13: dfff800000000000 x12: 0000000000000001 [ 36.734171][ T4224] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008773dc8 [ 36.736300][ T4224] x8 : ffff0000dde8b780 x7 : 0000000000000000 x6 : 0000000000000000 [ 36.738386][ T4224] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008af752c [ 36.740470][ T4224] x2 : ffff0000cea22060 x1 : 0000000000000000 x0 : 0000000000000000 [ 36.742684][ T4224] Call trace: [ 36.743542][ T4224] __folio_mark_dirty+0x878/0xd04 [ 36.744874][ T4224] mark_buffer_dirty+0x2c0/0x624 [ 36.746135][ T4224] gfs2_unpin+0x120/0x954 [ 36.747337][ T4224] buf_lo_after_commit+0x134/0x18c [ 36.748650][ T4224] gfs2_log_flush+0xcac/0x1c80 [ 36.749977][ T4224] gfs2_kill_sb+0x5c/0xd4 [ 36.751158][ T4224] deactivate_locked_super+0xac/0x124 [ 36.752589][ T4224] deactivate_super+0xf0/0x110 [ 36.753842][ T4224] cleanup_mnt+0x394/0x41c [ 36.754998][ T4224] __cleanup_mnt+0x20/0x30 [ 36.756174][ T4224] task_work_run+0x240/0x2f0 [ 36.757386][ T4224] do_exit+0x554/0x1a88 [ 36.758498][ T4224] do_group_exit+0x194/0x22c [ 36.759710][ T4224] __wake_up_parent+0x0/0x60 [ 36.760956][ T4224] invoke_syscall+0x98/0x2c0 [ 36.762143][ T4224] el0_svc_common+0x138/0x258 [ 36.763436][ T4224] do_el0_svc+0x64/0x218 [ 36.764559][ T4224] el0_svc+0x58/0x168 [ 36.765668][ T4224] el0t_64_sync_handler+0x84/0xf0 [ 36.767035][ T4224] el0t_64_sync+0x18c/0x190 [ 36.768202][ T4224] irq event stamp: 113604 [ 36.769338][ T4224] hardirqs last enabled at (113603): [] folio_memcg_lock+0xf4/0x20c [ 36.771942][ T4224] hardirqs last disabled at (113604): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 36.774636][ T4224] softirqs last enabled at (112424): [] local_bh_enable+0x10/0x34 [ 36.777136][ T4224] softirqs last disabled at (112422): [] local_bh_disable+0x10/0x34 [ 36.779690][ T4224] ---[ end trace 0000000000000000 ]--- [ 36.784273][ T4224] ------------[ cut here ]------------ [ 36.785705][ T4224] WARNING: CPU: 1 PID: 4224 at include/linux/backing-dev.h:246 __folio_start_writeback+0x8fc/0xaf8 [ 36.788418][ T4224] Modules linked in: [ 36.789388][ T4224] CPU: 1 PID: 4224 Comm: syz-executor220 Tainted: G W 6.1.94-syzkaller #0 [ 36.791955][ T4224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 36.794536][ T4224] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.796561][ T4224] pc : __folio_start_writeback+0x8fc/0xaf8 [ 36.797994][ T4224] lr : __folio_start_writeback+0x8fc/0xaf8 [ 36.799490][ T4224] sp : ffff800020887140 [ 36.800555][ T4224] x29: ffff800020887220 x28: 0000000000000000 x27: ffff700004110e30 [ 36.802665][ T4224] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000d1738d30 [ 36.804797][ T4224] x23: ffff8000208871a0 x22: ffff0000c04926e8 x21: 0000000000000001 [ 36.806914][ T4224] x20: fffffc00034bd948 x19: fffffc00034bd940 x18: ffff8000208872a0 [ 36.809000][ T4224] x17: ffff8000188df000 x16: ffff8000083037a8 x15: 0000000000000000 [ 36.811056][ T4224] x14: 1ffff00002b0a0b0 x13: dfff800000000000 x12: 0000000000000001 [ 36.813146][ T4224] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff8000087763a8 [ 36.815308][ T4224] x8 : ffff0000dde8b780 x7 : ffff800008775e04 x6 : 0000000000000000 [ 36.817419][ T4224] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008775e44 [ 36.819489][ T4224] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 36.821560][ T4224] Call trace: [ 36.822396][ T4224] __folio_start_writeback+0x8fc/0xaf8 [ 36.823873][ T4224] set_page_writeback+0x5c/0x7c [ 36.825122][ T4224] gfs2_aspace_writepage+0x524/0x6f8 [ 36.826470][ T4224] __gfs2_writepage+0x70/0x18c [ 36.827688][ T4224] write_cache_pages+0x7fc/0xf60 [ 36.828936][ T4224] gfs2_ail1_flush+0x7bc/0xa40 [ 36.830254][ T4224] empty_ail1_list+0x150/0x234 [ 36.831450][ T4224] gfs2_log_flush+0x1390/0x1c80 [ 36.832764][ T4224] gfs2_kill_sb+0x5c/0xd4 [ 36.833915][ T4224] deactivate_locked_super+0xac/0x124 [ 36.835301][ T4224] deactivate_super+0xf0/0x110 [ 36.836546][ T4224] cleanup_mnt+0x394/0x41c [ 36.837701][ T4224] __cleanup_mnt+0x20/0x30 [ 36.838829][ T4224] task_work_run+0x240/0x2f0 [ 36.840054][ T4224] do_exit+0x554/0x1a88 [ 36.841228][ T4224] do_group_exit+0x194/0x22c [ 36.842417][ T4224] __wake_up_parent+0x0/0x60 [ 36.843658][ T4224] invoke_syscall+0x98/0x2c0 [ 36.844848][ T4224] el0_svc_common+0x138/0x258 [ 36.846051][ T4224] do_el0_svc+0x64/0x218 [ 36.847242][ T4224] el0_svc+0x58/0x168 [ 36.848288][ T4224] el0t_64_sync_handler+0x84/0xf0 [ 36.849554][ T4224] el0t_64_sync+0x18c/0x190 [ 36.850733][ T4224] irq event stamp: 113662 [ 36.851882][ T4224] hardirqs last enabled at (113661): [] folio_memcg_lock+0xf4/0x20c [ 36.854318][ T4224] hardirqs last disabled at (113662): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 36.856940][ T4224] softirqs last enabled at (113640): [] handle_softirqs+0xb84/0xd58 [ 36.859463][ T4224] softirqs last disabled at (113607): [] __do_softirq+0x14/0x20 [ 36.861822][ T4224] ---[ end trace 0000000000000000 ]--- [ 36.865676][ C1] ------------[ cut here ]------------ [ 36.867149][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:246 __folio_end_writeback+0x7d8/0x9c8 [ 36.869790][ C1] Modules linked in: [ 36.870767][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W 6.1.94-syzkaller #0 [ 36.873233][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 36.875849][ C1] pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.877869][ C1] pc : __folio_end_writeback+0x7d8/0x9c8 [ 36.879330][ C1] lr : __folio_end_writeback+0x7d8/0x9c8 [ 36.880797][ C1] sp : ffff800019f07970 [ 36.881839][ C1] x29: ffff800019f07990 x28: dfff800000000000 x27: 1fffff800061a6f0 [ 36.883879][ C1] x26: 0000000000000000 x25: ffff0000c04926e8 x24: 05ffd00000002052 [ 36.886019][ C1] x23: 0000000000000003 x22: ffff0000d173a250 x21: ffff0000d173a258 [ 36.888071][ C1] x20: 0000000000000001 x19: fffffc00030d3780 x18: ffff800019f073c0 [ 36.890155][ C1] x17: ffff8000188df000 x16: ffff8000083037a8 x15: ffff8000183c4f80 [ 36.892262][ C1] x14: 1ffff00002b0a0b0 x13: dfff800000000000 x12: 0000000000000003 [ 36.894457][ C1] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff8000087758bc [ 36.896560][ C1] x8 : ffff0000c0a59bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 36.898659][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 36.900700][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 36.902733][ C1] Call trace: [ 36.903585][ C1] __folio_end_writeback+0x7d8/0x9c8 [ 36.904980][ C1] folio_end_writeback+0x12c/0x420 [ 36.906353][ C1] end_page_writeback+0x58/0x74 [ 36.907640][ C1] end_buffer_async_write+0x398/0x53c [ 36.909083][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 36.910325][ C1] bio_endio+0x7c8/0x80c [ 36.911460][ C1] blk_update_request+0x4ac/0xdf0 [ 36.912784][ C1] blk_mq_end_request+0x54/0x88 [ 36.914106][ C1] lo_complete_rq+0x140/0x258 [ 36.915367][ C1] blk_done_softirq+0x11c/0x168 [ 36.916663][ C1] handle_softirqs+0x318/0xd58 [ 36.917931][ C1] run_ksoftirqd+0x6c/0x29c [ 36.919142][ C1] smpboot_thread_fn+0x4b0/0x96c [ 36.920361][ C1] kthread+0x250/0x2d8 [ 36.921436][ C1] ret_from_fork+0x10/0x20 [ 36.922624][ C1] irq event stamp: 285481 [ 36.923718][ C1] hardirqs last enabled at (285480): [] folio_memcg_lock+0xf4/0x20c [ 36.926271][ C1] hardirqs last disabled at (285481): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 36.928953][ C1] softirqs last enabled at (285470): [] handle_softirqs+0xb84/0xd58 [ 36.931482][ C1] softirqs last disabled at (285475): [] run_ksoftirqd+0x6c/0x29c [ 36.933956][ C1] ---[ end trace 0000000000000000 ]---