------------[ cut here ]------------ WARNING: CPU: 0 PID: 7225 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 0 PID: 7225 at include/linux/backing-dev.h:256 folio_account_dirtied mm/page-writeback.c:2677 [inline] WARNING: CPU: 0 PID: 7225 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x914/0x10a8 mm/page-writeback.c:2728 Modules linked in: CPU: 0 PID: 7225 Comm: kworker/u4:7 Not tainted 6.2.0-syzkaller-18295-ga9b06ec42c0f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Workqueue: writeback wb_workfn (flush-7:1) 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 : ffff800021f36fb0 x29: ffff800021f36fd0 x28: dfff800000000000 x27: 1fffe00018090eb2 x26: 0000000000000000 x25: ffff0000c0487590 x24: 0000000000000001 x23: fffffc0003154088 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0000c5a21280 x19: fffffc0003154080 x18: ffff800021f36ca0 x17: ffff800015c2d000 x16: ffff8000083102fc x15: 0000000000039a7c x14: 00000000ffffffff x13: dfff800000000000 x12: ffff7000043e6ddc x11: ff808000087961f8 x10: 0000000000000000 x9 : ffff8000087961f8 x8 : ffff0000cba2d1c0 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_sb_inodes+0x880/0x13bc fs/fs-writeback.c:1889 wb_writeback+0x4d8/0x1520 fs/fs-writeback.c:2063 wb_do_writeback fs/fs-writeback.c:2206 [inline] wb_workfn+0x440/0x1198 fs/fs-writeback.c:2246 process_one_work+0x848/0x16b4 kernel/workqueue.c:2289 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436 kthread+0x24c/0x2d4 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 9269138 hardirqs last enabled at (9269137): [] folio_memcg_lock+0xe4/0x1d0 mm/memcontrol.c:2114 hardirqs last disabled at (9269138): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (9269138): [] _raw_spin_lock_irqsave+0x2c/0x88 kernel/locking/spinlock.c:162 softirqs last enabled at (9269102): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (9269102): [] __do_softirq+0xd4c/0xfa4 kernel/softirq.c:600 softirqs last disabled at (9268961): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7225 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 0 PID: 7225 at include/linux/backing-dev.h:256 __folio_start_writeback+0x7f8/0xca0 mm/page-writeback.c:3093 Modules linked in: CPU: 0 PID: 7225 Comm: kworker/u4:7 Tainted: G W 6.2.0-syzkaller-18295-ga9b06ec42c0f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Workqueue: writeback wb_workfn (flush-7:1) pstate: 804000c5 (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 : ffff800021f36b40 x29: ffff800021f36c40 x28: 0000000000000000 x27: dfff800000000000 x26: 1fffff80006f7448 x25: ffff0000dbf2a798 x24: 0000000000000000 x23: ffff800021f36bc0 x22: ffff0000c04873e8 x21: 0000000000000001 x20: fffffc00037ba248 x19: fffffc00037ba240 x18: ffff800021f36e80 x17: ffff800015c2d000 x16: ffff8000083102fc x15: 0000000000000000 x14: 1ffff00002b860af x13: dfff800000000000 x12: 0000000000000001 x11: ff80800008799090 x10: 0000000000000000 x9 : ffff800008799090 x8 : ffff0000cba2d1c0 x7 : ffff800008798aec x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 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_sb_inodes+0x880/0x13bc fs/fs-writeback.c:1889 wb_writeback+0x4d8/0x1520 fs/fs-writeback.c:2063 wb_do_writeback fs/fs-writeback.c:2206 [inline] wb_workfn+0x440/0x1198 fs/fs-writeback.c:2246 process_one_work+0x848/0x16b4 kernel/workqueue.c:2289 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436 kthread+0x24c/0x2d4 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 9269356 hardirqs last enabled at (9269355): [] folio_memcg_lock+0xe4/0x1d0 mm/memcontrol.c:2114 hardirqs last disabled at (9269356): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (9269356): [] _raw_spin_lock_irqsave+0x2c/0x88 kernel/locking/spinlock.c:162 softirqs last enabled at (9269302): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (9269302): [] __do_softirq+0xd4c/0xfa4 kernel/softirq.c:600 softirqs last disabled at (9269141): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---