[ 10.046214][ T2659] 8021q: adding VLAN 0 to HW filter on device bond0 [ 10.051333][ T2659] eql: remember to turn off Van-Jacobson compression on your slave devices [ 10.078613][ T1020] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 10.083132][ T2201] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.604806][ T23] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. executing program [ 125.091506][ T3098] loop0: detected capacity change from 0 to 32768 [ 125.096028][ T3098] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 125.098249][ T3098] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 125.102967][ T3098] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 125.106329][ T2201] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 125.108171][ T2201] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 125.132632][ T2201] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 24ms [ 125.134866][ T2201] gfs2: fsid=syz:syz.0: jid=0: Done [ 125.136248][ T3098] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 125.194411][ T3098] gfs2: fsid=syz:syz.0: found 1 quota changes executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 185.446443][ T3101] ------------[ cut here ]------------ [ 185.447991][ T3101] WARNING: CPU: 1 PID: 3101 at include/linux/backing-dev.h:246 folio_account_dirtied+0x3b0/0x650 [ 185.450742][ T3101] Modules linked in: [ 185.451762][ T3101] CPU: 1 PID: 3101 Comm: gfs2_quotad Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 185.454377][ T3101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 185.457097][ T3101] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 185.459224][ T3101] pc : folio_account_dirtied+0x3b0/0x650 [ 185.460727][ T3101] lr : folio_account_dirtied+0x3b0/0x650 [ 185.462229][ T3101] sp : ffff80000ff73a90 [ 185.463329][ T3101] x29: ffff80000ff73a90 x28: ffff0000cb39aed0 x27: ffff80000d625000 [ 185.465492][ T3101] x26: 0000000000000173 x25: ffff800009281dec x24: 000000000000000b [ 185.467675][ T3101] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000001 [ 185.469877][ T3101] x20: ffff0000c58c85e0 x19: fffffc00032c99c0 x18: 00000000000000c0 [ 185.472060][ T3101] x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c8074ec0 [ 185.474188][ T3101] x14: 0000000000000050 x13: 00000000ffffffff x12: ffff0000c8074ec0 [ 185.476363][ T3101] x11: ff808000083f2128 x10: 0000000000000000 x9 : ffff8000083f2128 [ 185.478508][ T3101] x8 : ffff0000c8074ec0 x7 : ffff8000083f1c2c x6 : 0000000000000000 [ 185.480667][ T3101] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 185.482849][ T3101] x2 : ffff0000c4fbb060 x1 : 0000000000000000 x0 : 0000000000000000 [ 185.484975][ T3101] Call trace: [ 185.485837][ T3101] folio_account_dirtied+0x3b0/0x650 [ 185.487292][ T3101] __folio_mark_dirty+0xbc/0x180 [ 185.488608][ T3101] mark_buffer_dirty+0x148/0x368 [ 185.489934][ T3101] gfs2_unpin+0xc4/0x31c [ 185.491068][ T3101] buf_lo_after_commit+0x70/0xac [ 185.492379][ T3101] gfs2_log_flush+0x6a4/0xc98 [ 185.493612][ T3101] do_sync+0x5a8/0x650 [ 185.494749][ T3101] gfs2_quota_sync+0xf0/0x204 [ 185.496020][ T3101] gfs2_quotad+0x2f0/0x584 [ 185.497199][ T3101] kthread+0x12c/0x158 [ 185.498278][ T3101] ret_from_fork+0x10/0x20 [ 185.499447][ T3101] irq event stamp: 306 [ 185.500509][ T3101] hardirqs last enabled at (305): [] folio_memcg_lock+0xe4/0x188 [ 185.503077][ T3101] hardirqs last disabled at (306): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 185.505710][ T3101] softirqs last enabled at (0): [] copy_process+0x938/0x16ec [ 185.508118][ T3101] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 185.510044][ T3101] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 190.494528][ T29] ------------[ cut here ]------------ [ 190.496143][ T29] WARNING: CPU: 0 PID: 29 at include/linux/backing-dev.h:246 __folio_start_writeback+0x320/0x86c [ 190.498883][ T29] Modules linked in: [ 190.499900][ T29] CPU: 0 PID: 29 Comm: kworker/u4:1 Tainted: G W 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 190.502887][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 190.505515][ T29] Workqueue: writeback wb_workfn (flush-7:0) [ 190.507123][ T29] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 190.509170][ T29] pc : __folio_start_writeback+0x320/0x86c [ 190.510715][ T29] lr : __folio_start_writeback+0x320/0x86c [ 190.512281][ T29] sp : ffff80000f63b5c0 [ 190.513356][ T29] x29: ffff80000f63b600 x28: 05ffc0000000203b x27: 0000000000000000 [ 190.515482][ T29] x26: 0000000000000000 x25: ffff0000c58c85e0 x24: ffff0000c7b24770 [ 190.517584][ T29] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 [ 190.519721][ T29] x20: 0000000000000001 x19: fffffc0003268380 x18: 00000000000000c0 [ 190.521845][ T29] x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c0c0b480 [ 190.523946][ T29] x14: ffff80000dda8198 x13: ffff80000dbe6158 x12: ffff0000c0c0b480 [ 190.526039][ T29] x11: ff808000083f3ce8 x10: 0000000000000000 x9 : ffff8000083f3ce8 [ 190.528126][ T29] x8 : ffff0000c0c0b480 x7 : ffff8000083f3acc x6 : 0000000000000000 [ 190.530276][ T29] x5 : 0000000000000020 x4 : ffff80000f63b370 x3 : 0000000000000000 [ 190.532360][ T29] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 190.534458][ T29] Call trace: [ 190.535309][ T29] __folio_start_writeback+0x320/0x86c [ 190.536736][ T29] set_page_writeback+0x3c/0xc0 [ 190.537979][ T29] gfs2_aspace_writepage+0x340/0x648 [ 190.539356][ T29] __writepage+0x38/0x124 [ 190.540481][ T29] write_cache_pages+0x35c/0x8bc [ 190.541795][ T29] do_writepages+0x180/0x27c [ 190.542998][ T29] filemap_fdatawrite_wbc+0xac/0xd0 [ 190.544371][ T29] filemap_fdatawrite+0x64/0x90 [ 190.545625][ T29] gfs2_write_inode+0x128/0x198 [ 190.546933][ T29] __writeback_single_inode+0x240/0x2e4 [ 190.548370][ T29] writeback_sb_inodes+0x3e4/0x85c [ 190.549695][ T29] __writeback_inodes_wb+0x78/0x1c0 [ 190.551065][ T29] wb_writeback+0x1c8/0x328 [ 190.552278][ T29] wb_do_writeback+0x2cc/0x384 [ 190.553523][ T29] wb_workfn+0x70/0x15c [ 190.554603][ T29] process_one_work+0x2d8/0x504 [ 190.555878][ T29] worker_thread+0x340/0x610 [ 190.557071][ T29] kthread+0x12c/0x158 [ 190.558142][ T29] ret_from_fork+0x10/0x20 [ 190.559329][ T29] irq event stamp: 1587562 [ 190.560480][ T29] hardirqs last enabled at (1587561): [] folio_memcg_lock+0xe4/0x188 [ 190.563055][ T29] hardirqs last disabled at (1587562): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 190.565701][ T29] softirqs last enabled at (1587150): [] neigh_periodic_work+0x5dc/0x644 [ 190.568367][ T29] softirqs last disabled at (1587146): [] neigh_periodic_work+0xa0/0x644 [ 190.570992][ T29] ---[ end trace 0000000000000000 ]--- [ 190.574429][ C1] ------------[ cut here ]------------ [ 190.575915][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:246 __folio_end_writeback+0x4e8/0x740 [ 190.578536][ C1] Modules linked in: [ 190.579518][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 190.582413][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 190.584982][ C1] pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 190.587033][ C1] pc : __folio_end_writeback+0x4e8/0x740 [ 190.588510][ C1] lr : __folio_end_writeback+0x4e8/0x740 [ 190.590004][ C1] sp : ffff80000f303b40 [ 190.591111][ C1] x29: ffff80000f303b40 x28: ffff80000d2d09f0 x27: 05ffc0000000a0b2 [ 190.593227][ C1] x26: 0000000000000000 x25: ffff0000c58c85e0 x24: 0000000000008000 [ 190.595339][ C1] x23: 0000000000000000 x22: ffff0000c7b24770 x21: ffff0000c7b24778 [ 190.597457][ C1] x20: 0000000000000001 x19: fffffc0003268380 x18: 0000000000000212 [ 190.599551][ C1] x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c0330000 [ 190.601661][ C1] x14: 0000000000000055 x13: 0000000000000008 x12: ffff0000c0330000 [ 190.603804][ C1] x11: ff808000083f3770 x10: 0000000000000000 x9 : ffff8000083f3770 [ 190.605899][ C1] x8 : ffff0000c0330000 x7 : ffff8000083f3348 x6 : 0000000000000000 [ 190.607994][ C1] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 190.610099][ C1] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 190.612200][ C1] Call trace: [ 190.613055][ C1] __folio_end_writeback+0x4e8/0x740 [ 190.614458][ C1] folio_end_writeback+0xd8/0x450 [ 190.615805][ C1] end_page_writeback+0x38/0xb8 [ 190.617087][ C1] end_buffer_async_write+0x250/0x4f4 [ 190.618476][ C1] end_bio_bh_io_sync+0x5c/0xac [ 190.619738][ C1] bio_endio+0x28c/0x2d8 [ 190.620841][ C1] blk_update_request+0x25c/0x570 [ 190.622180][ C1] blk_mq_end_request+0x2c/0x58 [ 190.623449][ C1] lo_complete_rq+0xb8/0x138 [ 190.624650][ C1] blk_done_softirq+0x70/0xa0 [ 190.625893][ C1] _stext+0x168/0x37c [ 190.626934][ C1] run_ksoftirqd+0x4c/0x21c [ 190.628102][ C1] smpboot_thread_fn+0x248/0x3ec [ 190.629385][ C1] kthread+0x12c/0x158 [ 190.630476][ C1] ret_from_fork+0x10/0x20 [ 190.631640][ C1] irq event stamp: 238971 [ 190.632780][ C1] hardirqs last enabled at (238970): [] folio_memcg_lock+0xe4/0x188 executing program [ 190.635334][ C1] hardirqs last disabled at (238971): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 190.638062][ C1] softirqs last enabled at (238960): [] _stext+0x2e4/0x37c [ 190.640414][ C1] softirqs last disabled at (238965): [] run_ksoftirqd+0x4c/0x21c [ 190.642879][ C1] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program