------------[ cut here ]------------ WARNING: CPU: 1 PID: 4065 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline] WARNING: CPU: 1 PID: 4065 at include/linux/backing-dev.h:289 account_page_dirtied mm/page-writeback.c:2474 [inline] WARNING: CPU: 1 PID: 4065 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 mm/page-writeback.c:2522 Modules linked in: CPU: 1 PID: 4065 Comm: gfs2_quotad Not tainted 5.15.183-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:285 [inline] pc : account_page_dirtied mm/page-writeback.c:2474 [inline] pc : __set_page_dirty+0x938/0xc74 mm/page-writeback.c:2522 lr : inode_to_wb include/linux/backing-dev.h:285 [inline] lr : account_page_dirtied mm/page-writeback.c:2474 [inline] lr : __set_page_dirty+0x938/0xc74 mm/page-writeback.c:2522 sp : ffff80001f5077a0 x29: ffff80001f5077b0 x28: ffff0000c2e7c000 x27: 0000000000000000 x26: dfff800000000000 x25: 1fffe00018092861 x24: 0000000000000000 x23: ffff0000c0494308 x22: 0000000000000000 x21: 0000000000000001 x20: ffff0000da4d2250 x19: fffffc00036bcd00 x18: 0000000000000000 x17: ffff800016cdf000 x16: ffff8000082bddf8 x15: ffff8000167bf4c0 x14: ffff0000c200dbc0 x13: 1ffff0000282a06b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d99c x8 : ffff0000c200d1c0 x7 : ffff80000869d0a8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000899cc04 x2 : ffff0000cb73c060 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:285 [inline] account_page_dirtied mm/page-writeback.c:2474 [inline] __set_page_dirty+0x938/0xc74 mm/page-writeback.c:2522 mark_buffer_dirty+0x27c/0x52c fs/buffer.c:1108 gfs2_unpin+0x12c/0xc28 fs/gfs2/lops.c:111 buf_lo_after_commit+0x140/0x188 fs/gfs2/lops.c:750 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0x13cc/0x2078 fs/gfs2/log.c:1108 do_sync+0x844/0xa4c fs/gfs2/quota.c:986 gfs2_quota_sync+0x2e8/0x548 fs/gfs2/quota.c:1329 quotad_check_timeo fs/gfs2/quota.c:1519 [inline] gfs2_quotad+0x304/0x700 fs/gfs2/quota.c:1586 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 292 hardirqs last enabled at (291): [] lock_page_memcg+0x110/0x234 mm/memcontrol.c:2061 hardirqs last disabled at (292): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (292): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (0): [] copy_process+0x1118/0x34ec kernel/fork.c:2150 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0265aa361a81b88b ]---