F2FS-fs (loop0): inconsistent node block, nid:6, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0] F2FS-fs (loop0): inconsistent node block, nid:6, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0] F2FS-fs (loop0): inconsistent node block, nid:6, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0] INFO: task syz-executor414:9841 blocked for more than 140 seconds. Not tainted 4.14.295-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor414 D28768 9841 7982 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 wb_wait_for_completion fs/fs-writeback.c:222 [inline] wb_wait_for_completion+0x118/0x170 fs/fs-writeback.c:218 sync_inodes_sb+0x173/0x880 fs/fs-writeback.c:2447 sync_inodes_one_sb+0x3d/0x50 fs/sync.c:74 iterate_supers+0x124/0x490 fs/super.c:613 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f6dfa4036f9 RSP: 002b:00007ffc6580b608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6dfa4036f9 RDX: 00007f6dfa3b7f3b RSI: 0000000000000003 RDI: 0000000000004c00 RBP: 00007ffc6580b770 R08: 00005555558072b8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6580b690 R14: 00007ffc6580b680 R15: 00007ffc6580b638 INFO: task syz-executor414:9845 blocked for more than 140 seconds. Not tainted 4.14.295-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor414 D28912 9845 7977 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 sync_inodes_one_sb+0x3d/0x50 fs/sync.c:74 iterate_supers+0x124/0x490 fs/super.c:613 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f6dfa4036f9 RSP: 002b:00007ffc6580b608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6dfa4036f9 RDX: 00007f6dfa3b7f3b RSI: 0000000000000003 RDI: 0000000000004c00 RBP: 00007ffc6580b770 R08: 00005555558072b8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6580b690 R14: 00007ffc6580b680 R15: 00007ffc6580b638 INFO: task syz-executor414:9849 blocked for more than 140 seconds. Not tainted 4.14.295-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor414 D28912 9849 7985 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 sync_inodes_one_sb+0x3d/0x50 fs/sync.c:74 iterate_supers+0x124/0x490 fs/super.c:613 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f6dfa4036f9 RSP: 002b:00007ffc6580b608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6dfa4036f9 RDX: 00007f6dfa3b7f3b RSI: 0000000000000003 RDI: 0000000000004c00 RBP: 00007ffc6580b770 R08: 00005555558072b8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6580b690 R14: 00007ffc6580b680 R15: 00007ffc6580b638 INFO: task syz-executor414:9852 blocked for more than 140 seconds. Not tainted 4.14.295-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor414 D28912 9852 7983 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 sync_inodes_one_sb+0x3d/0x50 fs/sync.c:74 iterate_supers+0x124/0x490 fs/super.c:613 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f6dfa4036f9 RSP: 002b:00007ffc6580b608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6dfa4036f9 RDX: 00007f6dfa3b7f3b RSI: 0000000000000003 RDI: 0000000000004c00 RBP: 00007ffc6580b770 R08: 00005555558072b8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6580b690 R14: 00007ffc6580b680 R15: 00007ffc6580b638 INFO: task syz-executor414:9856 blocked for more than 140 seconds. Not tainted 4.14.295-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor414 D28912 9856 7984 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 sync_inodes_one_sb+0x3d/0x50 fs/sync.c:74 iterate_supers+0x124/0x490 fs/super.c:613 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f6dfa4036f9 RSP: 002b:00007ffc6580b608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6dfa4036f9 RDX: 00007f6dfa3b7f3b RSI: 0000000000000003 RDI: 0000000000004c00 RBP: 00007ffc6580b770 R08: 00005555558072b8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6580b690 R14: 00007ffc6580b680 R15: 00007ffc6580b638 INFO: task syz-executor414:9860 blocked for more than 140 seconds. Not tainted 4.14.295-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor414 D28912 9860 7981 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 sync_inodes_one_sb+0x3d/0x50 fs/sync.c:74 iterate_supers+0x124/0x490 fs/super.c:613 sys_sync+0x78/0x130 fs/sync.c:113 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f6dfa4036f9 RSP: 002b:00007ffc6580b608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6dfa4036f9 RDX: 00007f6dfa3b7f3b RSI: 0000000000000003 RDI: 0000000000004c00 RBP: 00007ffc6580b770 R08: 00005555558072b8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6580b690 R14: 00007ffc6580b680 R15: 00007ffc6580b638 Showing all locks held in the system: 1 lock held by khungtaskd/1535: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548 2 locks held by syz-executor414/9841: #0: (&type->s_umount_key#61){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 2 locks held by syz-executor414/9845: #0: (&type->s_umount_key#61){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 2 locks held by syz-executor414/9849: #0: (&type->s_umount_key#61){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 2 locks held by syz-executor414/9852: #0: (&type->s_umount_key#61){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 2 locks held by syz-executor414/9856: #0: (&type->s_umount_key#61){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 2 locks held by syz-executor414/9860: #0: (&type->s_umount_key#61){.+.+}, at: [] iterate_supers+0xda/0x490 fs/super.c:611 #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: (&bdi->wb_switch_rwsem){+.+.}, at: [] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1535 Comm: khungtaskd Not tainted 4.14.295-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5b9/0xb40 kernel/hung_task.c:274 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8163 Comm: kworker/u4:2 Not tainted 4.14.295-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Workqueue: writeback wb_workfn (flush-7:0) task: ffff888094d06100 task.stack: ffff888095798000 RIP: 0010:__lock_acquire+0x67f/0x3f20 kernel/locking/lockdep.c:3472 RSP: 0018:ffff88809579ed58 EFLAGS: 00000046 RAX: 0000000000000613 RBX: ffff888094d06978 RCX: 1ffff110129a0d2f RDX: dffffc0000000000 RSI: ffff888094d06a28 RDI: ffffffff8ba69310 RBP: ffff888094d06a4a R08: 0000000000000001 R09: 0000000000040613 R10: ffff888094d06a28 R11: ffff888094d06100 R12: ffff888094d06a40 R13: 0000000000000000 R14: 0000000000000613 R15: ffffffff8becddc0 FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4b387c000 CR3: 00000000a2c68000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 check_valid_map fs/f2fs/gc.c:469 [inline] gc_node_segment fs/f2fs/gc.c:503 [inline] do_garbage_collect+0x190c/0x38f0 fs/f2fs/gc.c:976 f2fs_gc+0x7db/0x1eb0 fs/f2fs/gc.c:1060 f2fs_balance_fs+0x423/0x5a0 fs/f2fs/segment.c:436 __write_data_page+0x646/0x1480 fs/f2fs/data.c:1615 f2fs_write_cache_pages+0x40d/0xe50 fs/f2fs/data.c:1744 __f2fs_write_data_pages+0x2e2/0xb90 fs/f2fs/data.c:1838 do_writepages+0xc3/0x240 mm/page-writeback.c:2361 __writeback_single_inode+0xda/0x1010 fs/fs-writeback.c:1382 writeback_sb_inodes+0x48b/0xd30 fs/fs-writeback.c:1645 __writeback_inodes_wb+0xbf/0x230 fs/fs-writeback.c:1716 wb_writeback+0x710/0xb80 fs/fs-writeback.c:1822 wb_do_writeback fs/fs-writeback.c:1952 [inline] wb_workfn+0x2bd/0xf50 fs/fs-writeback.c:1988 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: 8b 0a 00 00 49 8d 9b 78 08 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d9 48 89 5c 24 20 48 c1 e9 03 80 3c 11 00 0f 85 73 28 00 00 <8b> 14 24 49 8b 9b 78 08 00 00 85 d2 75 0f 48 85 db 41 bd 01 00