------------[ cut here ]------------ WARNING: CPU: 0 PID: 39 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 0 PID: 39 at include/linux/backing-dev.h:256 folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2677 Modules linked in: CPU: 0 PID: 39 Comm: kworker/u4:2 Not tainted 6.2.0-rc6-syzkaller-17549-gca72d58361ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: writeback wb_workfn (flush-7:0) 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+0x3b0/0x650 mm/page-writeback.c:2677 lr : inode_to_wb include/linux/backing-dev.h:253 [inline] lr : folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2677 sp : ffff80000f8b3830 x29: ffff80000f8b3830 x28: ffff000119fc2ed0 x27: ffff80000d804000 x26: 0000000000000172 x25: ffff800009296ea8 x24: 000000000000000a x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000001 x20: ffff0000c58dba60 x19: fffffc00046a9d40 x18: 00000000000000c0 x17: ffff80000df8d158 x16: ffff80000ddcb118 x15: ffff0000c0d24e00 x14: ffff80000df8d158 x13: ffff80000ddcb118 x12: ffff0000c0d24e00 x11: ff808000083fd140 x10: 0000000000000000 x9 : ffff8000083fd140 x8 : ffff0000c0d24e00 x7 : ffff8000083fcc44 x6 : 0000000000000000 x5 : 0000000000000020 x4 : ffff80000f8b3620 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:253 [inline] folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2677 __folio_mark_dirty+0xbc/0x180 mm/page-writeback.c:2728 __set_page_dirty include/linux/pagemap.h:1052 [inline] mark_buffer_dirty+0x148/0x368 fs/buffer.c:1105 gfs2_unpin+0xc4/0x31c fs/gfs2/lops.c:111 buf_lo_after_commit+0x70/0xac fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0x6a4/0xc98 fs/gfs2/log.c:1116 gfs2_write_inode+0xb8/0x198 fs/gfs2/super.c:436 write_inode fs/fs-writeback.c:1451 [inline] __writeback_single_inode+0x240/0x2e4 fs/fs-writeback.c:1663 writeback_sb_inodes+0x308/0x678 fs/fs-writeback.c:1889 wb_writeback+0x198/0x328 fs/fs-writeback.c:2063 wb_do_writeback+0xc8/0x384 fs/fs-writeback.c:2206 wb_workfn+0x70/0x15c fs/fs-writeback.c:2246 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 922004 hardirqs last enabled at (922003): [] folio_memcg_lock+0xdc/0x154 mm/memcontrol.c:2115 hardirqs last disabled at (922004): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (922004): [] _raw_spin_lock_irqsave+0x2c/0x88 kernel/locking/spinlock.c:162 softirqs last enabled at (921930): [] _stext+0x2c4/0x34c softirqs last disabled at (921905): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 39 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 0 PID: 39 at include/linux/backing-dev.h:256 __folio_start_writeback+0x320/0x820 mm/page-writeback.c:3093 Modules linked in: CPU: 0 PID: 39 Comm: kworker/u4:2 Tainted: G W 6.2.0-rc6-syzkaller-17549-gca72d58361ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: writeback wb_workfn (flush-7:0) 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+0x320/0x820 mm/page-writeback.c:3093 lr : inode_to_wb include/linux/backing-dev.h:253 [inline] lr : __folio_start_writeback+0x320/0x820 mm/page-writeback.c:3093 sp : ffff80000f8b3620 x29: ffff80000f8b3660 x28: 05ffc0000000200b x27: 0000000000000000 x26: 0000000000000000 x25: ffff0000c58dba60 x24: ffff00011c7382a0 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000001 x19: fffffc000479d080 x18: 00000000000000c0 x17: ffff80000df8d158 x16: ffff80000ddcb118 x15: ffff0000c0d24e00 x14: 0000000000000050 x13: 00000000ffffffff x12: ffff0000c0d24e00 x11: ff808000083fecb4 x10: 0000000000000000 x9 : ffff8000083fecb4 x8 : ffff0000c0d24e00 x7 : ffff8000083fea98 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:253 [inline] __folio_start_writeback+0x320/0x820 mm/page-writeback.c:3093 set_page_writeback+0x3c/0xc0 mm/folio-compat.c:50 gfs2_aspace_writepage+0x340/0x648 fs/gfs2/meta_io.c:73 __writepage+0x38/0x124 mm/page-writeback.c:2537 write_cache_pages+0x35c/0x8bc mm/page-writeback.c:2472 generic_writepages mm/page-writeback.c:2563 [inline] do_writepages+0x180/0x27c mm/page-writeback.c:2583 filemap_fdatawrite_wbc+0xac/0xd0 mm/filemap.c:388 __filemap_fdatawrite_range mm/filemap.c:421 [inline] __filemap_fdatawrite mm/filemap.c:427 [inline] filemap_fdatawrite+0x64/0x90 mm/filemap.c:432 gfs2_write_inode+0x128/0x198 fs/gfs2/super.c:442 write_inode fs/fs-writeback.c:1451 [inline] __writeback_single_inode+0x240/0x2e4 fs/fs-writeback.c:1663 writeback_sb_inodes+0x308/0x678 fs/fs-writeback.c:1889 wb_writeback+0x198/0x328 fs/fs-writeback.c:2063 wb_do_writeback+0xc8/0x384 fs/fs-writeback.c:2206 wb_workfn+0x70/0x15c fs/fs-writeback.c:2246 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 922398 hardirqs last enabled at (922397): [] folio_memcg_lock+0xdc/0x154 mm/memcontrol.c:2115 hardirqs last disabled at (922398): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (922398): [] _raw_spin_lock_irqsave+0x2c/0x88 kernel/locking/spinlock.c:162 softirqs last enabled at (922370): [] _stext+0x2c4/0x34c softirqs last disabled at (922007): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---