[ 18.881727][ T3694] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.890399][ T3694] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.936438][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.941295][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.100' (ED25519) to the list of known hosts. executing program syzkaller login: [ 45.568898][ T4019] loop0: detected capacity change from 0 to 32768 [ 45.657739][ T4019] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.660123][ T4019] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 45.676784][ T4019] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 45.681449][ T1960] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 45.683264][ T1960] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 45.721288][ T1960] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 38ms [ 45.723721][ T1960] gfs2: fsid=syz:syz.0: jid=0: Done [ 45.725656][ T4019] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 45.864694][ T4019] ------------[ cut here ]------------ [ 45.866275][ T4019] WARNING: CPU: 0 PID: 4019 at include/linux/backing-dev.h:288 __set_page_dirty+0x8f8/0xc7c [ 45.868906][ T4019] Modules linked in: [ 45.869892][ T4019] CPU: 0 PID: 4019 Comm: syz-executor163 Not tainted 5.15.179-syzkaller #0 [ 45.872098][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 45.874682][ T4019] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.876776][ T4019] pc : __set_page_dirty+0x8f8/0xc7c [ 45.878093][ T4019] lr : __set_page_dirty+0x8f8/0xc7c [ 45.879477][ T4019] sp : ffff80001d6f7720 [ 45.880618][ T4019] x29: ffff80001d6f7730 x28: 0000000000000000 x27: 1fffe00019b96c4a [ 45.882765][ T4019] x26: dfff800000000000 x25: 1fffe000180b29d9 x24: 0000000000000000 [ 45.884871][ T4019] x23: ffff0000c0594ec8 x22: 0000000000000000 x21: 0000000000000003 [ 45.886941][ T4019] x20: ffff0000cdcb6258 x19: fffffc00031fee80 x18: ffff80001d6f7400 [ 45.889070][ T4019] x17: 1fffe0003682e78e x16: ffff8000082eb59c x15: 000000000000cb1a [ 45.891185][ T4019] x14: ffff8000172044c0 x13: dfff800000000000 x12: 0000000000000001 [ 45.893308][ T4019] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000c7f21b40 [ 45.895437][ T4019] x8 : ffff80000870b1c4 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.897611][ T4019] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a3dcc0 [ 45.899747][ T4019] x2 : ffff0000cc060060 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.901843][ T4019] Call trace: [ 45.902717][ T4019] __set_page_dirty+0x8f8/0xc7c [ 45.904021][ T4019] mark_buffer_dirty+0x27c/0x574 [ 45.905336][ T4019] gfs2_unpin+0x12c/0xcc0 [ 45.906514][ T4019] buf_lo_after_commit+0x134/0x18c [ 45.907904][ T4019] gfs2_log_flush+0xd50/0x21d4 [ 45.909198][ T4019] gfs2_kill_sb+0x5c/0xd4 [ 45.910314][ T4019] deactivate_locked_super+0xb8/0x13c [ 45.911709][ T4019] deactivate_super+0x108/0x128 [ 45.913057][ T4019] cleanup_mnt+0x3c0/0x474 [ 45.914206][ T4019] __cleanup_mnt+0x20/0x30 [ 45.915392][ T4019] task_work_run+0x130/0x1e4 [ 45.916587][ T4019] do_exit+0x670/0x20bc [ 45.917734][ T4019] do_group_exit+0x110/0x268 [ 45.918895][ T4019] __wake_up_parent+0x0/0x60 [ 45.920209][ T4019] invoke_syscall+0x98/0x2b8 [ 45.921461][ T4019] el0_svc_common+0x138/0x258 [ 45.922669][ T4019] do_el0_svc+0x58/0x14c [ 45.923794][ T4019] el0_svc+0x7c/0x1f0 [ 45.924850][ T4019] el0t_64_sync_handler+0x84/0xe4 [ 45.926209][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 45.927389][ T4019] irq event stamp: 147502 [ 45.928498][ T4019] hardirqs last enabled at (147501): [<ffff80000891b1fc>] lock_page_memcg+0x11c/0x244 [ 45.931085][ T4019] hardirqs last disabled at (147502): [<ffff800011c31844>] _raw_spin_lock_irqsave+0xfc/0x14c [ 45.933854][ T4019] softirqs last enabled at (147496): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc [ 45.936392][ T4019] softirqs last disabled at (147491): [<ffff8000081b7750>] __irq_exit_rcu+0x268/0x4d8 [ 45.938999][ T4019] ---[ end trace 6e7b66d4cc3b8fe2 ]--- [ 45.941557][ T4019] ------------[ cut here ]------------ [ 45.942971][ T4019] WARNING: CPU: 0 PID: 4019 at include/linux/backing-dev.h:288 __test_set_page_writeback+0xa58/0xc70 [ 45.945840][ T4019] Modules linked in: [ 45.946866][ T4019] CPU: 0 PID: 4019 Comm: syz-executor163 Tainted: G W 5.15.179-syzkaller #0 [ 45.949523][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 45.952153][ T4019] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.954200][ T4019] pc : __test_set_page_writeback+0xa58/0xc70 [ 45.955776][ T4019] lr : __test_set_page_writeback+0xa58/0xc70 [ 45.957363][ T4019] sp : ffff80001d6f70e0 [ 45.958450][ T4019] x29: ffff80001d6f71c0 x28: 0000000000000000 x27: 0000000000000000 [ 45.960626][ T4019] x26: ffff0000c0594d20 x25: 0000000000000003 x24: 0000000000000000 [ 45.962539][ T4019] x23: ffff0000cdcb6250 x22: fffffc00031fee88 x21: ffff80001d6f7140 [ 45.964410][ T4019] x20: 1fffff800063fdd1 x19: fffffc00031fee80 x18: 0000000000000000 [ 45.966484][ T4019] x17: 0000000000000000 x16: ffff8000082eb59c x15: 0000000000000406 [ 45.968657][ T4019] x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001 [ 45.970711][ T4019] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000c7f21b40 [ 45.972800][ T4019] x8 : ffff80000870ddb8 x7 : ffff80000870d7b0 x6 : 0000000000000000 [ 45.974912][ T4019] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870d878 [ 45.977012][ T4019] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.979136][ T4019] Call trace: [ 45.980025][ T4019] __test_set_page_writeback+0xa58/0xc70 [ 45.981550][ T4019] gfs2_aspace_writepage+0x550/0x71c [ 45.982998][ T4019] __writepage+0x70/0x16c [ 45.984119][ T4019] write_cache_pages+0x878/0xf58 [ 45.985502][ T4019] generic_writepages+0xf8/0x164 [ 45.986861][ T4019] gfs2_ail1_flush+0x854/0xf9c [ 45.988079][ T4019] empty_ail1_list+0x140/0x21c [ 45.989359][ T4019] gfs2_log_flush+0x145c/0x21d4 [ 45.990660][ T4019] gfs2_kill_sb+0x5c/0xd4 [ 45.991825][ T4019] deactivate_locked_super+0xb8/0x13c [ 45.993242][ T4019] deactivate_super+0x108/0x128 [ 45.994501][ T4019] cleanup_mnt+0x3c0/0x474 [ 45.995679][ T4019] __cleanup_mnt+0x20/0x30 [ 45.996863][ T4019] task_work_run+0x130/0x1e4 [ 45.998053][ T4019] do_exit+0x670/0x20bc [ 45.999155][ T4019] do_group_exit+0x110/0x268 [ 46.000381][ T4019] __wake_up_parent+0x0/0x60 [ 46.001599][ T4019] invoke_syscall+0x98/0x2b8 [ 46.002822][ T4019] el0_svc_common+0x138/0x258 [ 46.004092][ T4019] do_el0_svc+0x58/0x14c [ 46.005221][ T4019] el0_svc+0x7c/0x1f0 [ 46.006244][ T4019] el0t_64_sync_handler+0x84/0xe4 [ 46.007605][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 46.008820][ T4019] irq event stamp: 147540 [ 46.009897][ T4019] hardirqs last enabled at (147539): [<ffff80000891b1fc>] lock_page_memcg+0x11c/0x244 [ 46.012501][ T4019] hardirqs last disabled at (147540): [<ffff800011c31844>] _raw_spin_lock_irqsave+0xfc/0x14c [ 46.015240][ T4019] softirqs last enabled at (147518): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc [ 46.017858][ T4019] softirqs last disabled at (147505): [<ffff8000081b7750>] __irq_exit_rcu+0x268/0x4d8 [ 46.020422][ T4019] ---[ end trace 6e7b66d4cc3b8fe3 ]--- [ 46.023442][ C1] ------------[ cut here ]------------ [ 46.025299][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:288 test_clear_page_writeback+0x8a0/0xa9c [ 46.028131][ C1] Modules linked in: [ 46.029121][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.179-syzkaller #0 [ 46.031659][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 46.034321][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 46.036494][ C1] pc : test_clear_page_writeback+0x8a0/0xa9c [ 46.038065][ C1] lr : test_clear_page_writeback+0x8a0/0xa9c [ 46.039657][ C1] sp : ffff80001bdc79a0 [ 46.040780][ C1] x29: ffff80001bdc79c0 x28: dfff800000000000 x27: fffffc00031dfc08 [ 46.042920][ C1] x26: ffff0000cdcb6258 x25: 0000000000000000 x24: ffff0000c0594d20 [ 46.044983][ C1] x23: 0000000000000003 x22: 0000000000000001 x21: ffff0000cc060000 [ 46.047196][ C1] x20: ffff0000cdcb6250 x19: fffffc00031fee80 x18: 0000000000000001 [ 46.049255][ C1] x17: 0000000000000000 x16: ffff8000082eb59c x15: 0000000000000002 [ 46.051424][ C1] x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000002 [ 46.053554][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff0000c0a78000 [ 46.055716][ C1] x8 : ffff80000870d164 x7 : 0000000000000000 x6 : 0000000000000000 [ 46.057840][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 46.060045][ C1] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 46.062201][ C1] Call trace: [ 46.063042][ C1] test_clear_page_writeback+0x8a0/0xa9c [ 46.064514][ C1] end_page_writeback+0x174/0x488 [ 46.065793][ C1] end_buffer_async_write+0x344/0x570 [ 46.067197][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 46.068484][ C1] bio_endio+0x780/0x7c4 [ 46.069588][ C1] blk_update_request+0x79c/0x1304 [ 46.070970][ C1] blk_mq_end_request+0x54/0x88 [ 46.072275][ C1] lo_complete_rq+0x140/0x258 [ 46.073524][ C1] blk_done_softirq+0x11c/0x168 [ 46.074781][ C1] handle_softirqs+0x384/0xdbc [ 46.076046][ C1] run_ksoftirqd+0x6c/0x29c [ 46.077204][ C1] smpboot_thread_fn+0x4b0/0x920 [ 46.078481][ C1] kthread+0x37c/0x45c [ 46.079510][ C1] ret_from_fork+0x10/0x20 [ 46.080708][ C1] irq event stamp: 152149 [ 46.081885][ C1] hardirqs last enabled at (152148): [<ffff80000891b1fc>] lock_page_memcg+0x11c/0x244 [ 46.084487][ C1] hardirqs last disabled at (152149): [<ffff800011c31844>] _raw_spin_lock_irqsave+0xfc/0x14c [ 46.087204][ C1] softirqs last enabled at (152138): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc [ 46.089823][ C1] softirqs last disabled at (152143): [<ffff8000081b9be8>] run_ksoftirqd+0x6c/0x29c [ 46.092315][ C1] ---[ end trace 6e7b66d4cc3b8fe4 ]---