F2FS-fs (loop5): inconsistent node block, nid:6, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0]
F2FS-fs (loop5): inconsistent node block, nid:6, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0]
F2FS-fs (loop5): inconsistent node block, nid:6, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0]
INFO: task kworker/u4:4:2850 blocked for more than 140 seconds.
Not tainted 4.14.299-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:4 D27240 2850 2 0x80000000
Workqueue: writeback wb_workfn (flush-7:5)
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
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
f2fs_balance_fs+0x412/0x5a0 fs/f2fs/segment.c:435
f2fs_write_inode+0x182/0x1d0 fs/f2fs/inode.c:524
write_inode fs/fs-writeback.c:1241 [inline]
__writeback_single_inode+0x6a4/0x1010 fs/fs-writeback.c:1439
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_check_old_data_flush fs/fs-writeback.c:1935 [inline]
wb_do_writeback fs/fs-writeback.c:1959 [inline]
wb_workfn+0x708/0xf50 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:406
INFO: task syz-executor.3:9549 blocked for more than 140 seconds.
Not tainted 4.14.299-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D29984 9549 8010 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+0x5e/0xd3
Showing all locks held in the system:
1 lock held by khungtaskd/1533:
#0: (tasklist_lock){.+.+}, at: [<ffffffff8702a1b9>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
4 locks held by kworker/u4:4/2850:
#0: ("writeback"){+.+.}, at: [<ffffffff81365eb0>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2088
#1: ((&(&wb->dwork)->work)){+.+.}, at: [<ffffffff81365ee6>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2092
#2: (&type->s_umount_key#67){++++}, at: [<ffffffff8187b0bb>] trylock_super+0x1b/0xe0 fs/super.c:402
#3: (&sbi->gc_mutex){+.+.}, at: [<ffffffff82ccb5b2>] f2fs_balance_fs+0x412/0x5a0 fs/f2fs/segment.c:435
2 locks held by syz-executor.3/9549:
#0: (&type->s_umount_key#67){++++}, at: [<ffffffff8187b25a>] iterate_supers+0xda/0x490 fs/super.c:611
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445
2 locks held by syz-executor.0/9994:
#0: (&type->s_umount_key#67){++++}, at: [<ffffffff8187b25a>] iterate_supers+0xda/0x490 fs/super.c:611
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445
2 locks held by syz-executor.3/10257:
#0: (&type->s_umount_key#67){++++}, at: [<ffffffff8187b25a>] iterate_supers+0xda/0x490 fs/super.c:611
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445
2 locks held by syz-executor.0/10795:
#0: (&type->s_umount_key#67){++++}, at: [<ffffffff8187b25a>] iterate_supers+0xda/0x490 fs/super.c:611
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445
2 locks held by syz-executor.3/10800:
#0: (&type->s_umount_key#67){++++}, at: [<ffffffff8187b25a>] iterate_supers+0xda/0x490 fs/super.c:611
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff8190ee16>] sync_inodes_sb+0x156/0x880 fs/fs-writeback.c:2445
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.299-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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:406
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 309 Comm: kworker/u4:3 Not tainted 4.14.299-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
task: ffff8880b4ede080 task.stack: ffff8880b4ee8000
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__lock_release kernel/locking/lockdep.c:3739 [inline]
RIP: 0010:lock_release+0x18b/0x870 kernel/locking/lockdep.c:4017
RSP: 0018:ffff8880b4eefc48 EFLAGS: 00000006
RAX: 0000000000000003 RBX: 1ffff110169ddf8c RCX: 1ffffffff127a6c4
RDX: 0000000000000004 RSI: 0000000000000002 RDI: ffff8880b4ede904
RBP: ffffffff88f78600 R08: 0000000000000000 R09: 0000000000020011
R10: 0000000000000000 R11: ffff8880b4ede080 R12: ffffffff86ebf1d0
R13: ffff8880b4ede080 R14: ffff88813fe468c0 R15: ffff8880a4e25800
FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f330004b028 CR3: 00000000a17fe000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_lock_release include/linux/rcupdate.h:247 [inline]
rcu_read_unlock include/linux/rcupdate.h:685 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:422 [inline]
batadv_nc_worker+0x5a7/0xc50 net/batman-adv/network-coding.c:728
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:406
Code: 59 c7 08 0f 82 2a 04 00 00 48 c7 c0 20 36 3d 89 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 <65> 4c 8b 34 25 c0 7f 02 00 38 d0 7c 08 84 d2 0f 85 c8 05 00 00