gfs2: fsid=syz:syz.0: first mount done, others may mount gfs2: fsid=syz:syz.0: found 2 quota changes ------------[ cut here ]------------ WARNING: CPU: 1 PID: 23143 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 1 PID: 23143 at include/linux/backing-dev.h:256 folio_account_dirtied mm/page-writeback.c:2677 [inline] WARNING: CPU: 1 PID: 23143 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x914/0x10a8 mm/page-writeback.c:2728 Modules linked in: CPU: 1 PID: 23143 Comm: syz-executor.5 Not tainted 6.2.0-syzkaller-18295-ga9b06ec42c0f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:253 [inline] pc : folio_account_dirtied mm/page-writeback.c:2677 [inline] pc : __folio_mark_dirty+0x914/0x10a8 mm/page-writeback.c:2728 lr : inode_to_wb include/linux/backing-dev.h:253 [inline] lr : folio_account_dirtied mm/page-writeback.c:2677 [inline] lr : __folio_mark_dirty+0x914/0x10a8 mm/page-writeback.c:2728 sp : ffff80002d2071b0 x29: ffff80002d2071d0 x28: dfff800000000000 x27: 1fffe000180930f2 x26: 0000000000000000 x25: ffff0000c0498790 x24: 0000000000000001 x23: fffffc00035dcc88 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000d2ef0c48 x19: fffffc00035dcc80 x18: ffff80002d206ea0 x17: ffff800015c2d000 x16: ffff8000083102fc x15: 000000000003867d x14: 00000000ffffffff x13: dfff800000000000 x12: 0000000000040000 x11: 0000000000017b15 x10: ffff80001e399000 x9 : ffff8000087961f8 x8 : 0000000000017b16 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008329d64 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:253 [inline] folio_account_dirtied mm/page-writeback.c:2677 [inline] __folio_mark_dirty+0x914/0x10a8 mm/page-writeback.c:2728 __set_page_dirty include/linux/pagemap.h:1052 [inline] mark_buffer_dirty+0x38c/0x950 fs/buffer.c:1105 gfs2_unpin+0x120/0x954 fs/gfs2/lops.c:111 buf_lo_after_commit+0x134/0x18c fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0xcac/0x1c80 fs/gfs2/log.c:1116 gfs2_write_inode+0x184/0x350 fs/gfs2/super.c:436 write_inode fs/fs-writeback.c:1451 [inline] __writeback_single_inode+0x878/0x1e28 fs/fs-writeback.c:1663 writeback_single_inode+0x1c0/0x64c fs/fs-writeback.c:1719 sync_inode_metadata+0xd4/0x144 fs/fs-writeback.c:2775 gfs2_fsync+0x170/0x2e0 fs/gfs2/file.c:757 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync+0x17c/0x1f8 include/linux/fs.h:2885 gfs2_file_write_iter+0xa5c/0xc0c fs/gfs2/file.c:1139 call_write_iter include/linux/fs.h:2189 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x914 fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 168200 hardirqs last enabled at (168199): [] folio_memcg_lock+0xe4/0x1d0 mm/memcontrol.c:2114 hardirqs last disabled at (168200): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (168200): [] _raw_spin_lock_irqsave+0x2c/0x88 kernel/locking/spinlock.c:162 softirqs last enabled at (168082): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (168080): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 23143 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 0 PID: 23143 at include/linux/backing-dev.h:256 __folio_start_writeback+0x7f8/0xca0 mm/page-writeback.c:3093 Modules linked in: CPU: 0 PID: 23143 Comm: syz-executor.5 Tainted: G W 6.2.0-syzkaller-18295-ga9b06ec42c0f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:253 [inline] pc : __folio_start_writeback+0x7f8/0xca0 mm/page-writeback.c:3093 lr : inode_to_wb include/linux/backing-dev.h:253 [inline] lr : __folio_start_writeback+0x7f8/0xca0 mm/page-writeback.c:3093 sp : ffff80002d206d40 x29: ffff80002d206e40 x28: 0000000000000000 x27: dfff800000000000 x26: 1fffff80006a0438 x25: ffff0000c0e157c0 x24: 0000000000000000 x23: ffff80002d206dc0 x22: ffff0000c04985e8 x21: 0000000000000001 x20: fffffc00035021c8 x19: fffffc00035021c0 x18: ffff80002d206a20 x17: ffff800015c2d000 x16: ffff8000083102fc x15: 0000000000038704 x14: 00000000ffffffff x13: dfff800000000000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001e399000 x9 : ffff800008799090 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008798b38 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:253 [inline] __folio_start_writeback+0x7f8/0xca0 mm/page-writeback.c:3093 set_page_writeback+0x64/0x118 mm/folio-compat.c:50 gfs2_aspace_writepage+0x538/0x93c fs/gfs2/meta_io.c:73 __writepage+0x70/0x18c mm/page-writeback.c:2537 write_cache_pages+0x80c/0x1314 mm/page-writeback.c:2472 generic_writepages mm/page-writeback.c:2563 [inline] do_writepages+0x340/0x56c mm/page-writeback.c:2583 filemap_fdatawrite_wbc+0x124/0x174 mm/filemap.c:388 __filemap_fdatawrite_range mm/filemap.c:421 [inline] __filemap_fdatawrite mm/filemap.c:427 [inline] filemap_fdatawrite+0x12c/0x19c mm/filemap.c:432 gfs2_write_inode+0x234/0x350 fs/gfs2/super.c:442 write_inode fs/fs-writeback.c:1451 [inline] __writeback_single_inode+0x878/0x1e28 fs/fs-writeback.c:1663 writeback_single_inode+0x1c0/0x64c fs/fs-writeback.c:1719 sync_inode_metadata+0xd4/0x144 fs/fs-writeback.c:2775 gfs2_fsync+0x170/0x2e0 fs/gfs2/file.c:757 vfs_fsync_range+0x168/0x188 fs/sync.c:188 generic_write_sync+0x17c/0x1f8 include/linux/fs.h:2885 gfs2_file_write_iter+0xa5c/0xc0c fs/gfs2/file.c:1139 call_write_iter include/linux/fs.h:2189 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x610/0x914 fs/read_write.c:584 ksys_write+0x15c/0x26c fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 168554 hardirqs last enabled at (168553): [] folio_memcg_lock+0xe4/0x1d0 mm/memcontrol.c:2114 hardirqs last disabled at (168554): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (168554): [] _raw_spin_lock_irqsave+0x2c/0x88 kernel/locking/spinlock.c:162 softirqs last enabled at (168520): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (168520): [] __do_softirq+0xd4c/0xfa4 kernel/softirq.c:600 softirqs last disabled at (168203): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---