Warning: Permanently added '10.128.0.149' (ED25519) to the list of known hosts. executing program [ 42.696111][ T4024] loop0: detected capacity change from 0 to 32768 [ 42.759855][ T4024] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.762170][ T4024] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.780715][ T4024] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 42.784945][ T3321] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.786963][ T3321] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.823368][ T3321] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 36ms [ 42.825891][ T3321] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.827722][ T4024] 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 [ 73.217582][ T1639] ------------[ cut here ]------------ [ 73.219262][ T1639] WARNING: CPU: 1 PID: 1639 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 73.222136][ T1639] Modules linked in: [ 73.223223][ T1639] CPU: 1 PID: 1639 Comm: kworker/u4:7 Not tainted 5.15.185-syzkaller #0 [ 73.225532][ T1639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.228392][ T1639] Workqueue: writeback wb_workfn (flush-7:0) [ 73.230063][ T1639] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 73.232271][ T1639] pc : __set_page_dirty+0x938/0xc74 [ 73.233695][ T1639] lr : __set_page_dirty+0x938/0xc74 [ 73.235143][ T1639] sp : ffff800023a56fc0 [ 73.236325][ T1639] x29: ffff800023a56fd0 x28: ffff0000c21a4000 x27: 0000000000000000 [ 73.238520][ T1639] x26: dfff800000000000 x25: 1fffe00018093b51 x24: 0000000000000000 [ 73.240701][ T1639] x23: ffff0000c049da88 x22: 0000000000000000 x21: 0000000000000001 [ 73.242925][ T1639] x20: ffff0000ca24e250 x19: fffffc0003236c40 x18: 1fffe0003422158e [ 73.245124][ T1639] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 73.247348][ T1639] x14: ffff0000cd595bc0 x13: ffff0000cd595c88 x12: 0000000000ff0100 [ 73.249543][ T1639] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869dba4 [ 73.251800][ T1639] x8 : ffff0000cd5951c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.254082][ T1639] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899ce68 [ 73.256331][ T1639] x2 : ffff0000cbdf2060 x1 : 0000000000000000 x0 : 0000000000000000 [ 73.258513][ T1639] Call trace: [ 73.259425][ T1639] __set_page_dirty+0x938/0xc74 [ 73.260775][ T1639] mark_buffer_dirty+0x27c/0x52c [ 73.262109][ T1639] gfs2_unpin+0x12c/0xc28 [ 73.263292][ T1639] buf_lo_after_commit+0x140/0x188 [ 73.264735][ T1639] gfs2_log_flush+0x13cc/0x2078 [ 73.266099][ T1639] gfs2_write_inode+0x23c/0x3f4 [ 73.267476][ T1639] __writeback_single_inode+0x560/0x11f0 [ 73.269001][ T1639] writeback_sb_inodes+0x7fc/0x1378 [ 73.270448][ T1639] __writeback_inodes_wb+0x110/0x394 [ 73.271857][ T1639] wb_writeback+0x3ec/0xe44 [ 73.273063][ T1639] wb_workfn+0xa18/0xdd8 [ 73.274209][ T1639] process_one_work+0x79c/0x1140 [ 73.275516][ T1639] worker_thread+0x8f4/0x101c [ 73.276733][ T1639] kthread+0x374/0x454 [ 73.277878][ T1639] ret_from_fork+0x10/0x20 [ 73.279080][ T1639] irq event stamp: 170764 [ 73.280238][ T1639] hardirqs last enabled at (170763): [] lock_page_memcg+0x110/0x234 [ 73.282875][ T1639] hardirqs last disabled at (170764): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 73.285619][ T1639] softirqs last enabled at (162078): [] handle_softirqs+0xa4c/0xbf0 [ 73.288342][ T1639] softirqs last disabled at (162069): [] __irq_exit_rcu+0x240/0x440 [ 73.290989][ T1639] ---[ end trace d4ad10b5e8d421ca ]--- [ 73.312501][ T1639] ------------[ cut here ]------------ [ 73.314082][ T1639] WARNING: CPU: 1 PID: 1639 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 73.317188][ T1639] Modules linked in: [ 73.318277][ T1639] CPU: 1 PID: 1639 Comm: kworker/u4:7 Tainted: G W 5.15.185-syzkaller #0 [ 73.320987][ T1639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.323817][ T1639] Workqueue: writeback wb_workfn (flush-7:0) [ 73.325474][ T1639] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 73.327628][ T1639] pc : __test_set_page_writeback+0xa34/0xc34 [ 73.329194][ T1639] lr : __test_set_page_writeback+0xa34/0xc34 [ 73.330826][ T1639] sp : ffff800023a56c00 [ 73.331985][ T1639] x29: ffff800023a56ce0 x28: 0000000000000000 x27: 0000000000000000 [ 73.334217][ T1639] x26: ffff0000c049d8e0 x25: dfff800000000000 x24: 0000000000000000 [ 73.336488][ T1639] x23: ffff0000ca24c2a0 x22: fffffc00033afbc8 x21: ffff800023a56c60 [ 73.338686][ T1639] x20: 1fffff8000675f79 x19: fffffc00033afbc0 x18: 0000000000000000 [ 73.340900][ T1639] x17: ffff800016cf0000 x16: ffff8000082bdf08 x15: ffff8000167d04c0 [ 73.343105][ T1639] x14: ffff0000cd595bc0 x13: ffff0000cd595c60 x12: 0000000000ff0100 [ 73.345326][ T1639] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a0718 [ 73.347531][ T1639] x8 : ffff0000cd5951c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.349688][ T1639] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086a0194 [ 73.351833][ T1639] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 73.354162][ T1639] Call trace: [ 73.355059][ T1639] __test_set_page_writeback+0xa34/0xc34 [ 73.356613][ T1639] gfs2_aspace_writepage+0x548/0x710 [ 73.358125][ T1639] __writepage+0x70/0x120 [ 73.359348][ T1639] write_cache_pages+0x7c8/0xde4 [ 73.360784][ T1639] do_writepages+0x3cc/0x578 [ 73.362115][ T1639] filemap_fdatawrite_wbc+0x1d4/0x234 [ 73.363643][ T1639] filemap_fdatawrite+0xb0/0xf4 [ 73.365016][ T1639] gfs2_write_inode+0x2ec/0x3f4 [ 73.366368][ T1639] __writeback_single_inode+0x560/0x11f0 [ 73.367923][ T1639] writeback_sb_inodes+0x7fc/0x1378 [ 73.369343][ T1639] __writeback_inodes_wb+0x110/0x394 [ 73.370714][ T1639] wb_writeback+0x3ec/0xe44 [ 73.371961][ T1639] wb_workfn+0xa18/0xdd8 [ 73.373123][ T1639] process_one_work+0x79c/0x1140 [ 73.374539][ T1639] worker_thread+0x8f4/0x101c [ 73.375911][ T1639] kthread+0x374/0x454 [ 73.377057][ T1639] ret_from_fork+0x10/0x20 [ 73.378322][ T1639] irq event stamp: 170808 [ 73.379512][ T1639] hardirqs last enabled at (170807): [] lock_page_memcg+0x110/0x234 [ 73.382262][ T1639] hardirqs last disabled at (170808): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 73.385257][ T1639] softirqs last enabled at (170782): [] handle_softirqs+0xa4c/0xbf0 [ 73.388046][ T1639] softirqs last disabled at (170767): [] __irq_exit_rcu+0x240/0x440 [ 73.390724][ T1639] ---[ end trace d4ad10b5e8d421cb ]--- executing program [ 73.397164][ C0] ------------[ cut here ]------------ [ 73.398906][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 73.401982][ C0] Modules linked in: [ 73.403002][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.185-syzkaller #0 [ 73.405623][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.408456][ C0] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 73.410655][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 73.412400][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 73.414085][ C0] sp : ffff80001b3179a0 [ 73.415236][ C0] x29: ffff80001b3179b0 x28: ffff0000cbdf2000 x27: fffffc00033afb88 [ 73.417482][ C0] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 73.419831][ C0] x23: ffff0000c049d8e0 x22: 0000000000000001 x21: 0000000000000001 [ 73.422133][ C0] x20: ffff0000ca24c2a0 x19: fffffc00033afbc0 x18: 0000000000000001 [ 73.424398][ C0] x17: 0000000000000000 x16: ffff8000082bdf08 x15: 0000000000000002 [ 73.426697][ C0] x14: 0000000000ff0100 x13: 1ffff0000282c06b x12: 0000000000ff0100 [ 73.429048][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000869fae8 [ 73.431419][ C0] x8 : ffff0000c0959b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 73.433750][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 73.436062][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 73.438389][ C0] Call trace: [ 73.439326][ C0] test_clear_page_writeback+0x8d0/0xacc [ 73.440972][ C0] end_page_writeback+0x174/0x488 [ 73.442382][ C0] end_buffer_async_write+0x340/0x56c [ 73.443944][ C0] end_bio_bh_io_sync+0xb0/0x1b4 [ 73.445411][ C0] bio_endio+0x744/0x788 [ 73.446578][ C0] blk_update_request+0x7a4/0x1100 [ 73.448067][ C0] blk_mq_end_request+0x54/0x88 [ 73.449416][ C0] lo_complete_rq+0x1ec/0x250 [ 73.450820][ C0] blk_done_softirq+0x11c/0x168 [ 73.452196][ C0] handle_softirqs+0x344/0xbf0 [ 73.453530][ C0] run_ksoftirqd+0x7c/0x2a0 [ 73.454855][ C0] smpboot_thread_fn+0x4b0/0x920 [ 73.456247][ C0] kthread+0x374/0x454 [ 73.457392][ C0] ret_from_fork+0x10/0x20 [ 73.458623][ C0] irq event stamp: 200351 [ 73.459818][ C0] hardirqs last enabled at (200350): [] lock_page_memcg+0x110/0x234 [ 73.462488][ C0] hardirqs last disabled at (200351): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 73.465479][ C0] softirqs last enabled at (200340): [] handle_softirqs+0xa4c/0xbf0 [ 73.468141][ C0] softirqs last disabled at (200345): [] run_ksoftirqd+0x7c/0x2a0 [ 73.470713][ C0] ---[ end trace d4ad10b5e8d421cc ]--- executing program executing program executing program executing program [ 74.736556][ T7] 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