Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts. executing program syzkaller login: [ 43.459715][ T4019] loop0: detected capacity change from 0 to 32768 [ 43.547887][ T4019] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 43.550101][ T4019] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 43.568283][ T4019] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 43.572395][ T3323] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 43.574291][ T3323] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 43.601456][ T3323] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 27ms [ 43.603757][ T3323] gfs2: fsid=syz:syz.0: jid=0: Done [ 43.605943][ T4019] 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 [ 69.626730][ T1962] 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 [ 73.946972][ T136] ------------[ cut here ]------------ [ 73.948640][ T136] WARNING: CPU: 1 PID: 136 at include/linux/backing-dev.h:288 __set_page_dirty+0x8f8/0xc7c [ 73.951386][ T136] Modules linked in: [ 73.952463][ T136] CPU: 1 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.164-syzkaller #0 [ 73.954706][ T136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 73.957490][ T136] Workqueue: writeback wb_workfn (flush-7:0) [ 73.959063][ T136] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 73.961148][ T136] pc : __set_page_dirty+0x8f8/0xc7c [ 73.962477][ T136] lr : __set_page_dirty+0x8f8/0xc7c [ 73.963816][ T136] sp : ffff800018fb6f00 [ 73.964905][ T136] x29: ffff800018fb6f10 x28: 0000000000000000 x27: 1fffe00019e3444a [ 73.967075][ T136] x26: dfff800000000000 x25: 1fffe00018093b51 x24: 0000000000000000 [ 73.969289][ T136] x23: ffff0000c049da88 x22: 0000000000000000 x21: 0000000000000003 [ 73.971398][ T136] x20: ffff0000cf1a2258 x19: fffffc00035552c0 x18: ffff800018fb6be0 [ 73.973601][ T136] x17: 1fffe000368fab8e x16: ffff8000082ea3f4 x15: 000000000000c8be [ 73.975740][ T136] x14: ffff800017141500 x13: dfff800000000000 x12: 0000000000000001 [ 73.977926][ T136] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000c0b91b40 [ 73.980025][ T136] x8 : ffff8000087080c8 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.982078][ T136] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a3af38 [ 73.984174][ T136] x2 : ffff0000cb438060 x1 : 0000000000000000 x0 : 0000000000000000 [ 73.986407][ T136] Call trace: [ 73.987301][ T136] __set_page_dirty+0x8f8/0xc7c [ 73.988640][ T136] mark_buffer_dirty+0x27c/0x574 [ 73.989884][ T136] gfs2_unpin+0x12c/0xcc0 [ 73.991003][ T136] buf_lo_after_commit+0x134/0x18c [ 73.992340][ T136] gfs2_log_flush+0xd50/0x21d4 [ 73.993589][ T136] gfs2_write_inode+0x230/0x3ec [ 73.994830][ T136] __writeback_single_inode+0x584/0x13a4 [ 73.996315][ T136] writeback_sb_inodes+0x94c/0x1654 [ 73.997621][ T136] __writeback_inodes_wb+0x110/0x39c [ 73.998926][ T136] wb_writeback+0x410/0xfc8 [ 74.000195][ T136] wb_workfn+0xbb4/0x1070 [ 74.001281][ T136] process_one_work+0x790/0x11b8 [ 74.002553][ T136] worker_thread+0x910/0x1034 [ 74.003781][ T136] kthread+0x37c/0x45c [ 74.004807][ T136] ret_from_fork+0x10/0x20 [ 74.005981][ T136] irq event stamp: 294332 [ 74.007120][ T136] hardirqs last enabled at (294331): [] lock_page_memcg+0x11c/0x244 [ 74.009714][ T136] hardirqs last disabled at (294332): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 74.012516][ T136] softirqs last enabled at (293078): [] neigh_periodic_work+0xb8c/0xc88 [ 74.015075][ T136] softirqs last disabled at (293074): [] neigh_periodic_work+0x110/0xc88 [ 74.017708][ T136] ---[ end trace 31c60a144ff09e93 ]--- [ 74.022244][ T136] ------------[ cut here ]------------ [ 74.023773][ T136] WARNING: CPU: 1 PID: 136 at include/linux/backing-dev.h:288 __test_set_page_writeback+0xa58/0xc70 [ 74.026664][ T136] Modules linked in: [ 74.027699][ T136] CPU: 1 PID: 136 Comm: kworker/u4:1 Tainted: G W 5.15.164-syzkaller #0 [ 74.030210][ T136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 74.032932][ T136] Workqueue: writeback wb_workfn (flush-7:0) [ 74.034511][ T136] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 74.036548][ T136] pc : __test_set_page_writeback+0xa58/0xc70 [ 74.038196][ T136] lr : __test_set_page_writeback+0xa58/0xc70 [ 74.039717][ T136] sp : ffff800018fb6b00 [ 74.040772][ T136] x29: ffff800018fb6be0 x28: 0000000000000000 x27: 0000000000000000 [ 74.042832][ T136] x26: ffff0000c049d8e0 x25: 0000000000000003 x24: 0000000000000000 [ 74.044983][ T136] x23: ffff0000cf1a02a0 x22: fffffc0003467dc8 x21: ffff800018fb6b60 [ 74.047124][ T136] x20: 1fffff800068cfb9 x19: fffffc0003467dc0 x18: ffff800018fb67e0 [ 74.049212][ T136] x17: 0000000000000000 x16: ffff8000082ea3f4 x15: 000000000000c924 [ 74.051364][ T136] x14: ffff800017141500 x13: dfff800000000000 x12: 0000000000000001 [ 74.053507][ T136] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000c0b91b40 [ 74.055665][ T136] x8 : ffff80000870acbc x7 : 0000000000000000 x6 : 0000000000000000 [ 74.057778][ T136] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000870a77c [ 74.059914][ T136] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 74.061960][ T136] Call trace: [ 74.062768][ T136] __test_set_page_writeback+0xa58/0xc70 [ 74.064257][ T136] gfs2_aspace_writepage+0x550/0x71c [ 74.065648][ T136] __writepage+0x70/0x16c [ 74.066753][ T136] write_cache_pages+0x878/0xf58 [ 74.068052][ T136] do_writepages+0x3f8/0x5ec [ 74.069287][ T136] filemap_fdatawrite_wbc+0x1c8/0x228 [ 74.070762][ T136] filemap_fdatawrite+0x11c/0x184 [ 74.072079][ T136] gfs2_write_inode+0x2e0/0x3ec [ 74.073368][ T136] __writeback_single_inode+0x584/0x13a4 [ 74.074862][ T136] writeback_sb_inodes+0x94c/0x1654 [ 74.076201][ T136] __writeback_inodes_wb+0x110/0x39c [ 74.077592][ T136] wb_writeback+0x410/0xfc8 [ 74.078753][ T136] wb_workfn+0xbb4/0x1070 [ 74.079904][ T136] process_one_work+0x790/0x11b8 [ 74.081222][ T136] worker_thread+0x910/0x1034 [ 74.082466][ T136] kthread+0x37c/0x45c [ 74.083539][ T136] ret_from_fork+0x10/0x20 [ 74.084673][ T136] irq event stamp: 294380 [ 74.085834][ T136] hardirqs last enabled at (294379): [] lock_page_memcg+0x11c/0x244 [ 74.088397][ T136] hardirqs last disabled at (294380): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 74.090983][ T136] softirqs last enabled at (294352): [] handle_softirqs+0xb88/0xdbc [ 74.093534][ T136] softirqs last disabled at (294335): [] __irq_exit_rcu+0x268/0x4d8 [ 74.096007][ T136] ---[ end trace 31c60a144ff09e94 ]--- [ 74.099551][ C1] ------------[ cut here ]------------ executing program [ 74.101062][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:288 test_clear_page_writeback+0x8a0/0xa9c [ 74.103869][ C1] Modules linked in: [ 74.104889][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.164-syzkaller #0 [ 74.107378][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 74.110050][ C1] pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 74.112090][ C1] pc : test_clear_page_writeback+0x8a0/0xa9c [ 74.113702][ C1] lr : test_clear_page_writeback+0x8a0/0xa9c [ 74.115251][ C1] sp : ffff800018bd79a0 [ 74.116326][ C1] x29: ffff800018bd79c0 x28: dfff800000000000 x27: fffffc00031ee788 [ 74.118501][ C1] x26: ffff0000cf1a02a8 x25: 0000000000000000 x24: ffff0000c049d8e0 [ 74.120651][ C1] x23: 0000000000000003 x22: 0000000000000001 x21: ffff0000cb438000 [ 74.122825][ C1] x20: ffff0000cf1a02a0 x19: fffffc0003467dc0 x18: 0000000000000001 [ 74.124909][ C1] x17: 0000000000000000 x16: ffff8000082ea3f4 x15: 0000000000000002 [ 74.127102][ C1] x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000002 [ 74.129283][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff0000c0a80000 [ 74.131366][ C1] x8 : ffff80000870a068 x7 : 0000000000000000 x6 : 0000000000000000 [ 74.133543][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 74.135677][ C1] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 74.137837][ C1] Call trace: [ 74.138682][ C1] test_clear_page_writeback+0x8a0/0xa9c [ 74.140206][ C1] end_page_writeback+0x174/0x488 [ 74.141498][ C1] end_buffer_async_write+0x344/0x570 [ 74.142889][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 74.144179][ C1] bio_endio+0x780/0x7c4 [ 74.145249][ C1] blk_update_request+0x79c/0x1304 [ 74.146586][ C1] blk_mq_end_request+0x54/0x88 [ 74.147895][ C1] lo_complete_rq+0x140/0x258 [ 74.149142][ C1] blk_done_softirq+0x11c/0x168 [ 74.150447][ C1] handle_softirqs+0x384/0xdbc [ 74.151698][ C1] run_ksoftirqd+0x6c/0x29c [ 74.152900][ C1] smpboot_thread_fn+0x4b0/0x920 [ 74.154211][ C1] kthread+0x37c/0x45c [ 74.155336][ C1] ret_from_fork+0x10/0x20 [ 74.156587][ C1] irq event stamp: 260675 [ 74.157758][ C1] hardirqs last enabled at (260674): [] lock_page_memcg+0x11c/0x244 [ 74.160272][ C1] hardirqs last disabled at (260675): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 74.163011][ C1] softirqs last enabled at (260664): [] handle_softirqs+0xb88/0xdbc [ 74.165636][ C1] softirqs last disabled at (260669): [] run_ksoftirqd+0x6c/0x29c [ 74.168088][ C1] ---[ end trace 31c60a144ff09e95 ]--- executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program