Warning: Permanently added '10.128.1.27' (ED25519) to the list of known hosts. executing program syzkaller login: [ 37.314686][ T4294] loop0: detected capacity change from 0 to 32768 [ 37.320673][ T4294] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 37.322990][ T4294] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 37.341716][ T4294] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 37.346229][ T3878] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 37.348074][ T3878] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 37.371498][ T3878] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 23ms [ 37.374074][ T3878] gfs2: fsid=syz:syz.0: jid=0: Done [ 37.375569][ T4294] gfs2: fsid=syz:syz.0: first mount done, others may mount executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 67.685585][ T4296] ------------[ cut here ]------------ [ 67.687191][ T4296] WARNING: CPU: 1 PID: 4296 at include/linux/backing-dev.h:246 __folio_mark_dirty+0x878/0xd04 [ 67.689777][ T4296] Modules linked in: [ 67.690788][ T4296] CPU: 1 PID: 4296 Comm: gfs2_logd Not tainted 6.1.132-syzkaller #0 [ 67.692895][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 67.695456][ T4296] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 67.697598][ T4296] pc : __folio_mark_dirty+0x878/0xd04 [ 67.699000][ T4296] lr : __folio_mark_dirty+0x878/0xd04 [ 67.700361][ T4296] sp : ffff8000211f7900 [ 67.701437][ T4296] x29: ffff8000211f7920 x28: dfff800000000000 x27: 1fffe000180a87d2 [ 67.703544][ T4296] x26: 0000000000000000 x25: ffff0000c0543e90 x24: 0000000000000001 [ 67.705558][ T4296] x23: 0000000000000000 x22: fffffc0003261dc8 x21: 1fffff800064c3b8 [ 67.707707][ T4296] x20: ffff0000d8121d10 x19: fffffc0003261dc0 x18: ffff8000211f75e0 [ 67.709797][ T4296] x17: ffff800018c58000 x16: ffff800008300d88 x15: ffff800018738f80 [ 67.711885][ T4296] x14: ffff0000d99c5db8 x13: dfff800000000000 x12: 0000000000000001 [ 67.713873][ T4296] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80000877537c [ 67.716074][ T4296] x8 : ffff0000d99c5340 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.718182][ T4296] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008afabf0 [ 67.720282][ T4296] x2 : ffff0000cef0a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.722311][ T4296] Call trace: [ 67.723136][ T4296] __folio_mark_dirty+0x878/0xd04 [ 67.724443][ T4296] mark_buffer_dirty+0x2c0/0x624 [ 67.725727][ T4296] gfs2_unpin+0x120/0x950 [ 67.726841][ T4296] buf_lo_after_commit+0x134/0x18c [ 67.728143][ T4296] gfs2_log_flush+0xc4c/0x1b20 [ 67.729420][ T4296] gfs2_logd+0x2a4/0xbe0 [ 67.730542][ T4296] kthread+0x250/0x2d8 [ 67.731633][ T4296] ret_from_fork+0x10/0x20 [ 67.732804][ T4296] irq event stamp: 88 [ 67.733862][ T4296] hardirqs last enabled at (87): [] folio_memcg_lock+0xf4/0x20c [ 67.736219][ T4296] hardirqs last disabled at (88): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 67.738809][ T4296] softirqs last enabled at (0): [] copy_process+0x13d0/0x38f8 [ 67.741173][ T4296] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.742992][ T4296] ---[ end trace 0000000000000000 ]--- [ 67.747964][ T51] ------------[ cut here ]------------ [ 67.749520][ T51] WARNING: CPU: 1 PID: 51 at include/linux/backing-dev.h:246 __folio_start_writeback+0x8fc/0xaf8 [ 67.752194][ T51] Modules linked in: [ 67.753197][ T51] CPU: 1 PID: 51 Comm: kworker/1:1H Tainted: G W 6.1.132-syzkaller #0 [ 67.755637][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 67.758248][ T51] Workqueue: glock_workqueue glock_work_func [ 67.759832][ T51] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 67.761783][ T51] pc : __folio_start_writeback+0x8fc/0xaf8 [ 67.763253][ T51] lr : __folio_start_writeback+0x8fc/0xaf8 [ 67.764759][ T51] sp : ffff80001d8a7260 [ 67.765911][ T51] x29: ffff80001d8a7340 x28: 0000000000000000 x27: ffff700003b14e54 [ 67.767949][ T51] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000d8121278 [ 67.770108][ T51] x23: ffff80001d8a72c0 x22: ffff0000c0543ce8 x21: 0000000000000001 [ 67.772235][ T51] x20: fffffc0003340a08 x19: fffffc0003340a00 x18: ffff80001d8a6f40 [ 67.774398][ T51] x17: ffff800018c58000 x16: ffff800008300d88 x15: ffff800018738f80 [ 67.776460][ T51] x14: ffff0000c4fb0a78 x13: dfff800000000000 x12: 0000000000000001 [ 67.778520][ T51] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80000877795c [ 67.780616][ T51] x8 : ffff0000c4fb0000 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.782718][ T51] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087773f8 [ 67.784856][ T51] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.786907][ T51] Call trace: [ 67.787729][ T51] __folio_start_writeback+0x8fc/0xaf8 [ 67.789247][ T51] set_page_writeback+0x5c/0x7c [ 67.790506][ T51] gfs2_aspace_writepage+0x524/0x6f8 [ 67.791720][ T51] __writepage+0x70/0x18c [ 67.792998][ T51] write_cache_pages+0x7fc/0xf60 [ 67.794116][ C0] ------------[ cut here ]------------ [ 67.794324][ T51] do_writepages+0x340/0x56c [ 67.795877][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:246 __folio_end_writeback+0x7d8/0x9c8 [ 67.797068][ T51] filemap_fdatawrite_wbc+0x124/0x174 [ 67.799778][ C0] Modules linked in: [ 67.801179][ T51] filemap_fdatawrite+0x12c/0x19c [ 67.802171][ C0] [ 67.803397][ T51] inode_go_sync+0x278/0x61c [ 67.804012][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.1.132-syzkaller #0 [ 67.805175][ T51] do_xmote+0x2ec/0x11d4 [ 67.807615][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 67.808706][ T51] run_queue+0x400/0x688 [ 67.811336][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 67.812363][ T51] glock_work_func+0x270/0x440 [ 67.814406][ C0] pc : __folio_end_writeback+0x7d8/0x9c8 [ 67.815569][ T51] process_one_work+0x804/0x1484 [ 67.817032][ C0] lr : __folio_end_writeback+0x7d8/0x9c8 [ 67.818368][ T51] worker_thread+0x8e4/0xfec [ 67.819836][ C0] sp : ffff80001d327970 [ 67.820936][ T51] kthread+0x250/0x2d8 [ 67.822000][ C0] x29: ffff80001d327990 [ 67.823071][ T51] ret_from_fork+0x10/0x20 [ 67.823092][ T51] irq event stamp: 588 [ 67.824189][ C0] x28: dfff800000000000 [ 67.825395][ T51] hardirqs last enabled at (587): [] folio_memcg_lock+0xf4/0x20c [ 67.826503][ C0] x27: 1fffff80006ec550 [ 67.827538][ T51] hardirqs last disabled at (588): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 67.829934][ C0] [ 67.830979][ T51] softirqs last enabled at (0): [] copy_process+0x13d0/0x38f8 [ 67.833542][ C0] x26: 0000000000000000 [ 67.834102][ T51] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.836471][ C0] x25: ffff0000c0543ce8 [ 67.837535][ T51] ---[ end trace 0000000000000000 ]--- [ 67.839297][ C0] x24: 05ffd600000020d2 [ 67.842955][ C0] x23: 0000000000000003 x22: ffff0000d81202a0 x21: ffff0000d81202a8 [ 67.845134][ C0] x20: 0000000000000001 x19: fffffc0003762a80 x18: 1fffe00036798576 [ 67.847159][ C0] x17: ffff800015afd000 x16: ffff800008300d88 x15: 0000000000000000 [ 67.849151][ C0] x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000000003 [ 67.851185][ C0] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008776e70 [ 67.853265][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.855442][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 67.857562][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.859672][ C0] Call trace: [ 67.860579][ C0] __folio_end_writeback+0x7d8/0x9c8 [ 67.861990][ C0] folio_end_writeback+0x12c/0x420 [ 67.863253][ C0] end_page_writeback+0x58/0x74 [ 67.864562][ C0] end_buffer_async_write+0x398/0x53c [ 67.865958][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 67.867221][ C0] bio_endio+0x7c8/0x80c [ 67.868291][ C0] blk_update_request+0x4ac/0xdf0 [ 67.869595][ C0] blk_mq_end_request+0x54/0x88 [ 67.870957][ C0] lo_complete_rq+0x140/0x258 [ 67.872138][ C0] blk_done_softirq+0x11c/0x168 [ 67.873410][ C0] handle_softirqs+0x318/0xd58 [ 67.874651][ C0] run_ksoftirqd+0x6c/0x29c [ 67.875896][ C0] smpboot_thread_fn+0x4b0/0x96c [ 67.877181][ C0] kthread+0x250/0x2d8 [ 67.878253][ C0] ret_from_fork+0x10/0x20 [ 67.879375][ C0] irq event stamp: 298735 [ 67.880450][ C0] hardirqs last enabled at (298734): [] folio_memcg_lock+0xf4/0x20c [ 67.883036][ C0] hardirqs last disabled at (298735): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 67.885707][ C0] softirqs last enabled at (298724): [] handle_softirqs+0xb84/0xd58 [ 67.888155][ C0] softirqs last disabled at (298729): [] run_ksoftirqd+0x6c/0x29c [ 67.890662][ C0] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program executing program [ 69.603813][ T3766] cfg80211: failed to load regulatory.db executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program