------------[ cut here ]------------ WARNING: CPU: 1 PID: 6393 at include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 1 PID: 6393 at include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2743 [inline] WARNING: CPU: 1 PID: 6393 at include/linux/backing-dev.h:254 __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 Modules linked in: CPU: 1 UID: 0 PID: 6393 Comm: gfs2_logd/syz:s Not tainted 6.11.0-rc4-syzkaller-gbe6d853c7631 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:251 [inline] pc : folio_account_dirtied mm/page-writeback.c:2743 [inline] pc : __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 lr : inode_to_wb include/linux/backing-dev.h:251 [inline] lr : folio_account_dirtied mm/page-writeback.c:2743 [inline] lr : __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 sp : ffff800099b077d0 x29: ffff800099b077f0 x28: dfff800000000000 x27: 1fffe000182a8831 x26: 0000000000000000 x25: ffff0000c1544188 x24: 0000000000000001 x23: 0000000000000000 x22: fffffdffc35f0bc8 x21: 05ffc00000004130 x20: ffff0000dc0ce258 x19: fffffdffc35f0bc0 x18: ffff800099b074a0 x17: 000000000000d5ef x16: ffff80008034379c x15: 0000000000000001 x14: 1fffe000182a8831 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000182a8832 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d82abc80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800080c2c7f4 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:251 [inline] folio_account_dirtied mm/page-writeback.c:2743 [inline] __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 mark_buffer_dirty+0x228/0x4d8 fs/buffer.c:1205 gfs2_unpin+0x120/0x954 fs/gfs2/lops.c:111 buf_lo_after_commit+0x134/0x18c fs/gfs2/lops.c:738 lops_after_commit fs/gfs2/lops.h:51 [inline] gfs2_log_flush+0xb68/0x1a7c fs/gfs2/log.c:1123 gfs2_logd+0x24c/0xcec fs/gfs2/log.c:1326 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 88 hardirqs last enabled at (87): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1427 [inline] hardirqs last enabled at (87): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:4942 hardirqs last disabled at (88): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (88): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (0): [] copy_process+0x11f8/0x32b0 kernel/fork.c:2332 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---