------------[ cut here ]------------ WARNING: CPU: 0 PID: 4762 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 0 PID: 4762 at include/linux/backing-dev.h:247 folio_account_dirtied mm/page-writeback.c:2587 [inline] WARNING: CPU: 0 PID: 4762 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 Modules linked in: CPU: 0 PID: 4762 Comm: gfs2_logd Not tainted 6.1.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:243 [inline] pc : folio_account_dirtied mm/page-writeback.c:2587 [inline] pc : __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : folio_account_dirtied mm/page-writeback.c:2587 [inline] lr : __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 sp : ffff800021ae7940 x29: ffff800021ae7960 x28: 1fffff80006639e8 x27: dfff800000000000 x26: 0000000000000000 x25: ffff0000c0497590 x24: 0000000000000001 x23: 0000000000000000 x22: fffffc000331cf48 x21: 1fffe00018092eb2 x20: ffff0000d1bfcd30 x19: fffffc000331cf40 x18: ffff800011aabce0 x17: ffff8000181e7000 x16: ffff8000082d0ec0 x15: ffff800017cc7fc0 x14: ffff0000d23b0a98 x13: ffff0000d23b0ae8 x12: 0000000000ff0100 x11: ff008000086fb4cc x10: 0000000000000000 x9 : ffff8000086fb4cc x8 : ffff0000d23b0000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a45edc x2 : ffff0000ce94a060 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] folio_account_dirtied mm/page-writeback.c:2587 [inline] __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 __set_page_dirty include/linux/pagemap.h:1088 [inline] mark_buffer_dirty+0x2b8/0x5cc fs/buffer.c:1105 gfs2_unpin+0x120/0x914 fs/gfs2/lops.c:111 buf_lo_after_commit+0x140/0x188 fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0xbc8/0x1aa0 fs/gfs2/log.c:1116 gfs2_logd+0x28c/0xb90 fs/gfs2/log.c:1322 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 6830 hardirqs last enabled at (6829): [] folio_memcg_lock+0xe8/0x1fc mm/memcontrol.c:2113 hardirqs last disabled at (6830): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (6830): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (5166): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (5166): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (5153): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4762 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 0 PID: 4762 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 Modules linked in: CPU: 0 PID: 4762 Comm: gfs2_logd Tainted: G W 6.1.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:243 [inline] pc : __folio_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : __folio_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 sp : ffff800021ae7680 x29: ffff800021ae7760 x28: dfff800000000000 x27: 0000000000000000 x26: ffff70000435ced8 x25: 0000000000000000 x24: ffff0000f5fe6ce0 x23: ffff800021ae76e0 x22: ffff0000c04973e8 x21: 0000000000000001 x20: fffffc00036459c8 x19: fffffc00036459c0 x18: ffff800011aabce0 x17: 1fffe00033ed9d7e x16: ffff8000082d0ec0 x15: 0000000000000000 x14: 0000000000000406 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff008000086fd9e4 x10: 0000000000000000 x9 : ffff8000086fd9e4 x8 : ffff0000d23b0000 x7 : ffff8000086fd464 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fd4a4 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] __folio_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 set_page_writeback+0x5c/0x7c mm/folio-compat.c:56 gfs2_aspace_writepage+0x520/0x6e8 fs/gfs2/meta_io.c:73 __gfs2_writepage+0x70/0x18c fs/gfs2/log.c:87 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 gfs2_ail1_start_one fs/gfs2/log.c:143 [inline] gfs2_ail1_flush+0x7c0/0xa00 fs/gfs2/log.c:223 gfs2_ail1_start fs/gfs2/log.c:254 [inline] gfs2_logd+0x3d0/0xb90 fs/gfs2/log.c:1329 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 44804 hardirqs last enabled at (44803): [] folio_memcg_lock+0xe8/0x1fc mm/memcontrol.c:2113 hardirqs last disabled at (44804): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (44804): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (35454): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (35454): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (35307): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4762 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 4762 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 Modules linked in: CPU: 1 PID: 4762 Comm: gfs2_logd Tainted: G W 6.1.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:243 [inline] pc : __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 sp : ffff800021ae76f0 x29: ffff800021ae7710 x28: dfff800000000000 x27: ffff0000c04973e8 x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006a64f0 x23: 0000000000000001 x22: ffff0000d1bfdd08 x21: ffff0000d1bfdd10 x20: 0000000000000001 x19: fffffc0003532780 x18: ffff800011aabce0 x17: 1fffe00033eddf7e x16: ffff8000082d0ec0 x15: 0000000000000000 x14: 0000000000000406 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff008000086fcf70 x10: 0000000000000000 x9 : ffff8000086fcf70 x8 : ffff0000d23b0000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 folio_end_writeback+0x12c/0x41c mm/filemap.c:1641 end_page_writeback+0x58/0x74 mm/folio-compat.c:26 gfs2_aspace_writepage+0x5cc/0x6e8 fs/gfs2/meta_io.c:86 __gfs2_writepage+0x70/0x18c fs/gfs2/log.c:87 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 gfs2_ail1_start_one fs/gfs2/log.c:143 [inline] gfs2_ail1_flush+0x7c0/0xa00 fs/gfs2/log.c:223 gfs2_ail1_start fs/gfs2/log.c:254 [inline] gfs2_logd+0x3d0/0xb90 fs/gfs2/log.c:1329 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 45086 hardirqs last enabled at (45085): [] folio_memcg_lock+0xe8/0x1fc mm/memcontrol.c:2113 hardirqs last disabled at (45086): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (45086): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (45058): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (45058): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (44807): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---