------------[ cut here ]------------ WARNING: CPU: 1 PID: 6034 at fs/ext4/inode.c:3499 ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3499 Modules linked in: CPU: 1 PID: 6034 Comm: syz-executor560 Not tainted 6.5.0-rc5-syzkaller-g6f09e57d8cf6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3499 lr : ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3499 sp : ffff8000971f7870 x29: ffff8000971f7870 x28: 1fffff800070fe88 x27: 1fffff800070fe89 x26: dfff800000000000 x25: 05ffc00000000031 x24: 1fffff800070fe88 x23: 1fffff800070fe89 x22: dfff800000000000 x21: fffffc000387f468 x20: ffff0000df81f2d8 x19: fffffc000387f440 x18: ffff8000971f72f0 x17: ffff80008e09d000 x16: ffff800080315740 x15: 0000000000000001 x14: 1fffff800070fe88 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000c5b03780 x7 : ffff80008089591c x6 : ffff0000e1fd1080 x5 : ffff0000e1fd2000 x4 : 000000000000000c x3 : ffff800080869334 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: ext4_dirty_folio+0x12c/0x170 fs/ext4/inode.c:3499 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2802 unpin_user_pages_dirty_lock+0x244/0x464 mm/gup.c:395 process_vm_rw_single_vec mm/process_vm_access.c:126 [inline] process_vm_rw_core mm/process_vm_access.c:215 [inline] process_vm_rw+0x758/0xa34 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __arm64_sys_process_vm_writev+0xdc/0xf8 mm/process_vm_access.c:298 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 2310 hardirqs last enabled at (2309): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (2309): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (2310): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (284): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (284): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (145): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6034 at mm/page-writeback.c:2668 __folio_mark_dirty+0xd4/0xc6c Modules linked in: CPU: 0 PID: 6034 Comm: syz-executor560 Tainted: G W 6.5.0-rc5-syzkaller-g6f09e57d8cf6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __folio_mark_dirty+0xd4/0xc6c lr : __folio_mark_dirty+0xd4/0xc6c sp : ffff8000971f77a0 x29: ffff8000971f77c0 x28: dfff800000000000 x27: 0000000000000000 x26: dfff800000000000 x25: 05ffc00000000031 x24: fffffc000387f458 x23: 05ffc00000000039 x22: ffff0000df81f2d8 x21: 1fffff800070fe88 x20: ffff0000df81f2e0 x19: fffffc000387f440 x18: ffff8000971f74c0 x17: ffff80008e09d000 x16: ffff80008032fdf8 x15: ffff700012e3eed8 x14: 1ffff00012e3eed8 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000001 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffff0000c5b03780 x7 : ffff8000807bf564 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008032ff28 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __folio_mark_dirty+0xd4/0xc6c block_dirty_folio+0x184/0x21c fs/buffer.c:751 ext4_dirty_folio+0x108/0x170 fs/ext4/inode.c:3500 folio_mark_dirty+0x118/0x198 mm/page-writeback.c:2802 unpin_user_pages_dirty_lock+0x244/0x464 mm/gup.c:395 process_vm_rw_single_vec mm/process_vm_access.c:126 [inline] process_vm_rw_core mm/process_vm_access.c:215 [inline] process_vm_rw+0x758/0xa34 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __arm64_sys_process_vm_writev+0xdc/0xf8 mm/process_vm_access.c:298 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 2344 hardirqs last enabled at (2343): [] folio_memcg_lock+0xec/0x1d8 mm/memcontrol.c:2134 hardirqs last disabled at (2344): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (2344): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (2336): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (2336): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (2313): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---