R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 00000000000197bf R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 ============================= WARNING: suspicious RCU usage syzkaller #0 Not tainted ----------------------------- ./include/linux/radix-tree.h:179 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 locks held by syz-executor/5759: 2, last CPU#1: #0: ffff888021bc60e8 (&type->s_umount_key#56){+.+.}-{4:4}, at: __super_lock fs/super.c:60 [inline] #0: ffff888021bc60e8 (&type->s_umount_key#56){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:75 [inline] #0: ffff888021bc60e8 (&type->s_umount_key#56){+.+.}-{4:4}, at: deactivate_super+0xac/0xe0 fs/super.c:631 #1: ffff88802c6a48c8 (&im->ino_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:347 [inline] #1: ffff88802c6a48c8 (&im->ino_lock){+.+.}-{3:3}, at: __clear_ino_bitmap fs/f2fs/checkpoint.c:809 [inline] #1: ffff88802c6a48c8 (&im->ino_lock){+.+.}-{3:3}, at: f2fs_remove_ino_entry+0x18d/0x3f0 fs/f2fs/checkpoint.c:855 stack backtrace: CPU: 1 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6938 radix_tree_deref_slot include/linux/radix-tree.h:179 [inline] __clear_ino_bitmap fs/f2fs/checkpoint.c:812 [inline] f2fs_remove_ino_entry+0x3ae/0x3f0 fs/f2fs/checkpoint.c:855 f2fs_delete_inode fs/f2fs/inode.c:946 [inline] f2fs_evict_inode+0x83d/0x21f0 fs/f2fs/inode.c:1100 evict+0x624/0xb50 fs/inode.c:822 f2fs_pre_evict_inode fs/f2fs/inode.c:911 [inline] f2fs_evict_inode+0x20f/0x21f0 fs/f2fs/inode.c:1096 evict+0x624/0xb50 fs/inode.c:822 dispose_list fs/inode.c:864 [inline] evict_inodes+0x7e3/0x870 fs/inode.c:918 generic_shutdown_super+0xaa/0x2d0 fs/super.c:755 kill_block_super+0x44/0xa0 fs/super.c:1918 kill_f2fs_super+0x3b3/0x700 fs/f2fs/super.c:5633 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 00000000000197bf R15: 00007fff2adf2bb0 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 0000000000019d1f R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 1 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001a06a R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 1 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001a3bb R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001a5ab R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001aa3a R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001ad7f R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001b0ba R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001b3da R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001b6ee R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 1 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001ba20 R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3 syz-executor: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 CPU: 0 UID: 0 PID: 5759 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 f2fs_handle_critical_error fs/f2fs/super.c:4757 [inline] f2fs_stop_checkpoint+0x3f6/0x5d0 fs/f2fs/super.c:4795 f2fs_write_end_bio+0x1211/0x16e0 fs/f2fs/data.c:357 __submit_merged_bio+0x258/0x6a0 fs/f2fs/data.c:590 __f2fs_submit_merged_write fs/f2fs/data.c:682 [inline] __submit_merged_write_cond+0x3c9/0x4e0 fs/f2fs/data.c:706 f2fs_submit_merged_write_cond fs/f2fs/data.c:731 [inline] f2fs_write_cache_pages fs/f2fs/data.c:3495 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3603 [inline] f2fs_write_data_pages+0x2a27/0x36f0 fs/f2fs/data.c:3641 do_writepages+0x338/0x560 mm/page-writeback.c:2560 filemap_writeback mm/filemap.c:387 [inline] filemap_fdatawrite_range mm/filemap.c:412 [inline] filemap_fdatawrite+0x1e9/0x2f0 mm/filemap.c:418 f2fs_sync_dirty_inodes+0x30e/0x830 fs/f2fs/checkpoint.c:1416 block_operations fs/f2fs/checkpoint.c:1555 [inline] f2fs_write_checkpoint+0xa3d/0x2710 fs/f2fs/checkpoint.c:1986 kill_f2fs_super+0x2dd/0x700 fs/f2fs/super.c:5627 deactivate_locked_super+0xbc/0x110 fs/super.c:603 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317 task_work_run+0x1d9/0x270 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:70 [inline] exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline] do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe90539f317 Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff2adf1a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fe905434474 RCX: 00007fe90539f317 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff2adf1ae0 RBP: 00007fff2adf1ae0 R08: 00007fff2adf2ae0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2adf2b70 R13: 00007fe905434474 R14: 000000000001bd5f R15: 00007fff2adf2bb0 F2FS-fs (loop0): Stopped filesystem due to reason: 3