Warning: Permanently added '10.128.15.200' (ED25519) to the list of known hosts. executing program [ 36.891369][ T4295] loop0: detected capacity change from 0 to 32768 [ 36.902393][ T4295] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 36.904769][ T4295] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 36.925525][ T4295] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 36.929310][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 36.931804][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 36.960770][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 28ms [ 36.963423][ T24] gfs2: fsid=syz:syz.0: jid=0: Done [ 36.965113][ T4295] 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 [ 67.101740][ T4298] ------------[ cut here ]------------ [ 67.103389][ T4298] WARNING: CPU: 1 PID: 4298 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 67.106290][ T4298] Modules linked in: [ 67.107348][ T4298] CPU: 1 PID: 4298 Comm: gfs2_logd Not tainted 6.1.140-syzkaller #0 [ 67.109516][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.112325][ T4298] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 67.114498][ T4298] pc : __folio_mark_dirty+0x8a0/0xce0 [ 67.115942][ T4298] lr : __folio_mark_dirty+0x8a0/0xce0 [ 67.117420][ T4298] sp : ffff800020727940 [ 67.118557][ T4298] x29: ffff800020727960 x28: 1fffff80006d85e8 x27: dfff800000000000 [ 67.120717][ T4298] x26: 0000000000000000 x25: ffff0000c0494990 x24: 0000000000000001 [ 67.122848][ T4298] x23: 0000000000000000 x22: fffffc00036c2f48 x21: 1fffe00018092932 [ 67.125061][ T4298] x20: ffff0000cc126250 x19: fffffc00036c2f40 x18: ffff800011a7bd00 [ 67.127257][ T4298] x17: ffff8000181a0000 x16: ffff8000082d076c x15: ffff800017c80fc0 [ 67.129523][ T4298] x14: ffff0000d80bddd8 x13: ffff0000d80bde28 x12: 0000000000ff0100 [ 67.131700][ T4298] x11: ff008000086fab68 x10: 0000000000000000 x9 : ffff8000086fab68 [ 67.133860][ T4298] x8 : ffff0000d80bd340 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.136001][ T4298] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a454b0 [ 67.138135][ T4298] x2 : ffff0000ce4dc060 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.140253][ T4298] Call trace: [ 67.141123][ T4298] __folio_mark_dirty+0x8a0/0xce0 [ 67.142479][ T4298] mark_buffer_dirty+0x2b8/0x5cc [ 67.143800][ T4298] gfs2_unpin+0x120/0x914 [ 67.144948][ T4298] buf_lo_after_commit+0x140/0x188 [ 67.146356][ T4298] gfs2_log_flush+0xbc8/0x1aa0 [ 67.147647][ T4298] gfs2_logd+0x28c/0xb90 [ 67.148768][ T4298] kthread+0x250/0x2d8 [ 67.149845][ T4298] ret_from_fork+0x10/0x20 [ 67.150990][ T4298] irq event stamp: 82 [ 67.151997][ T4298] hardirqs last enabled at (81): [] folio_memcg_lock+0xe8/0x1fc [ 67.154574][ T4298] hardirqs last disabled at (82): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 67.157203][ T4298] softirqs last enabled at (0): [] copy_process+0x1284/0x3710 [ 67.159596][ T4298] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.161567][ T4298] ---[ end trace 0000000000000000 ]--- [ 67.166429][ T79] ------------[ cut here ]------------ [ 67.167964][ T79] WARNING: CPU: 1 PID: 79 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 67.170701][ T79] Modules linked in: [ 67.171756][ T79] CPU: 1 PID: 79 Comm: kworker/1:1H Tainted: G W 6.1.140-syzkaller #0 [ 67.174346][ T79] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.176981][ T79] Workqueue: glock_workqueue glock_work_func [ 67.178622][ T79] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 67.180702][ T79] pc : __folio_start_writeback+0x868/0xa68 [ 67.182321][ T79] lr : __folio_start_writeback+0x868/0xa68 [ 67.183854][ T79] sp : ffff80001cf472a0 [ 67.184995][ T79] x29: ffff80001cf47380 x28: dfff800000000000 x27: 0000000000000000 [ 67.187205][ T79] x26: ffff7000039e8e5c x25: 0000000000000000 x24: ffff0000cc1257c0 [ 67.189396][ T79] x23: ffff80001cf47300 x22: ffff0000c04947e8 x21: 0000000000000001 [ 67.191551][ T79] x20: fffffc00032ff488 x19: fffffc00032ff480 x18: ffff800011a7bd00 [ 67.193777][ T79] x17: ffff8000181a0000 x16: ffff8000082d076c x15: ffff800017c80fc0 [ 67.196001][ T79] x14: ffff0000c6eb5dd8 x13: ffff0000c6eb5e50 x12: 0000000000ff0100 [ 67.198199][ T79] x11: ff008000086fd080 x10: 0000000000000000 x9 : ffff8000086fd080 [ 67.200332][ T79] x8 : ffff0000c6eb5340 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.202471][ T79] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086fcb40 [ 67.204650][ T79] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.206804][ T79] Call trace: [ 67.207708][ T79] __folio_start_writeback+0x868/0xa68 [ 67.209180][ T79] set_page_writeback+0x5c/0x7c [ 67.210478][ T79] gfs2_aspace_writepage+0x520/0x6e8 [ 67.211900][ T79] __writepage+0x70/0x18c [ 67.213071][ T79] write_cache_pages+0x73c/0xdd4 [ 67.214387][ T79] do_writepages+0x320/0x4fc [ 67.215636][ T79] filemap_fdatawrite_wbc+0x124/0x174 [ 67.217144][ T79] filemap_fdatawrite+0xc4/0x114 [ 67.218488][ T79] inode_go_sync+0x274/0x614 [ 67.219708][ T79] do_xmote+0x2e8/0x1198 [ 67.220848][ T79] run_queue+0x404/0x68c [ 67.221974][ T79] glock_work_func+0x1fc/0x428 [ 67.223234][ T79] process_one_work+0x7f4/0x13a8 [ 67.224566][ T79] worker_thread+0x8c8/0xfbc [ 67.225841][ T79] kthread+0x250/0x2d8 [ 67.226969][ T79] ret_from_fork+0x10/0x20 [ 67.228130][ T79] irq event stamp: 846 [ 67.229158][ T79] hardirqs last enabled at (845): [] folio_memcg_lock+0xe8/0x1fc [ 67.231692][ T79] hardirqs last disabled at (846): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 67.234304][ T79] softirqs last enabled at (358): [] handle_softirqs+0xaf8/0xc6c [ 67.236835][ T79] softirqs last disabled at (351): [] __do_softirq+0x14/0x20 [ 67.239220][ T79] ---[ end trace 0000000000000000 ]--- [ 67.251505][ C0] ------------[ cut here ]------------ [ 67.253209][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 67.255974][ C0] Modules linked in: [ 67.257203][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.1.140-syzkaller #0 [ 67.259756][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.262492][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 67.264648][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 67.266202][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 67.267731][ C0] sp : ffff80001c877960 [ 67.268878][ C0] x29: ffff80001c877980 x28: dfff800000000000 x27: ffff0000c04947e8 [ 67.271205][ C0] x26: 0000000000000000 x25: 05ffd000000020d2 x24: 1fffff800065fe90 [ 67.273411][ C0] x23: 0000000000000001 x22: ffff0000cc1257c0 x21: ffff0000cc1257c8 [ 67.275569][ C0] x20: 0000000000000001 x19: fffffc00032ff480 x18: ffff800011a7bd00 [ 67.277709][ C0] x17: 1fffe00033ee2f76 x16: ffff8000082d076c x15: 0000000000000000 [ 67.279908][ C0] x14: 0000000000000002 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 [ 67.282056][ C0] x11: ff008000086fc60c x10: 0000000000000000 x9 : ffff8000086fc60c [ 67.284240][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.286444][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 67.288667][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.290908][ C0] Call trace: [ 67.291737][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 67.293195][ C0] folio_end_writeback+0x12c/0x41c [ 67.294563][ C0] end_page_writeback+0x58/0x74 [ 67.295935][ C0] end_buffer_async_write+0x32c/0x508 [ 67.297398][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 67.298767][ C0] bio_endio+0x770/0x7b4 [ 67.299930][ C0] blk_update_request+0x49c/0xbec [ 67.301270][ C0] blk_mq_end_request+0x54/0x88 [ 67.302598][ C0] lo_complete_rq+0x1ec/0x250 [ 67.303960][ C0] blk_done_softirq+0x11c/0x168 [ 67.305354][ C0] handle_softirqs+0x318/0xc6c [ 67.306663][ C0] run_ksoftirqd+0x7c/0x2a0 [ 67.307890][ C0] smpboot_thread_fn+0x4b0/0x964 [ 67.309208][ C0] kthread+0x250/0x2d8 [ 67.310300][ C0] ret_from_fork+0x10/0x20 [ 67.311516][ C0] irq event stamp: 276721 [ 67.312661][ C0] hardirqs last enabled at (276720): [] folio_memcg_lock+0xe8/0x1fc [ 67.315248][ C0] hardirqs last disabled at (276721): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 67.318027][ C0] softirqs last enabled at (276710): [] handle_softirqs+0xaf8/0xc6c [ 67.320668][ C0] softirqs last disabled at (276715): [] run_ksoftirqd+0x7c/0x2a0 [ 67.323221][ C0] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 69.670557][ T112] 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