F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
INFO: task kworker/u4:0:7 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:0 D26864 7 2 0x80000000
Workqueue: writeback wb_workfn (flush-7:4)
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512
f2fs_write_inode+0x500/0x600 fs/f2fs/inode.c:630
write_inode fs/fs-writeback.c:1244 [inline]
__writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442
writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647
__writeback_inodes_wb+0xc6/0x280 fs/fs-writeback.c:1716
wb_writeback+0x841/0xcc0 fs/fs-writeback.c:1822
wb_check_start_all fs/fs-writeback.c:1946 [inline]
wb_do_writeback fs/fs-writeback.c:1972 [inline]
wb_workfn+0xbf4/0x1250 fs/fs-writeback.c:2006
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
INFO: task syz-executor.0:11187 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29920 11187 8118 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
wb_wait_for_completion+0x175/0x1f0 fs/fs-writeback.c:222
sync_inodes_sb+0x19d/0x9a0 fs/fs-writeback.c:2459
sync_inodes_one_sb+0x4d/0x60 fs/sync.c:74
iterate_supers+0x13c/0x290 fs/super.c:633
ksys_sync+0x86/0x150 fs/sync.c:113
__ia32_sys_sync+0xa/0x10 fs/sync.c:124
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb8f207a0f9
Code: Bad RIP value.
RSP: 002b:00007fb8f05ec168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fb8f2199f80 RCX: 00007fb8f207a0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb8f20d5ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd3e356bf R14: 00007fb8f05ec300 R15: 0000000000022000
INFO: task syz-executor.0:11200 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29824 11200 8118 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline]
rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117
__down_write arch/x86/include/asm/rwsem.h:142 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:72
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
sync_inodes_one_sb+0x4d/0x60 fs/sync.c:74
iterate_supers+0x13c/0x290 fs/super.c:633
ksys_sync+0x86/0x150 fs/sync.c:113
__ia32_sys_sync+0xa/0x10 fs/sync.c:124
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb8f207a0f9
Code: Bad RIP value.
RSP: 002b:00007fb8f05cb168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fb8f219a050 RCX: 00007fb8f207a0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb8f20d5ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd3e356bf R14: 00007fb8f05cb300 R15: 0000000000022000
INFO: task syz-executor.0:11211 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D25368 11211 8118 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline]
rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117
__down_write arch/x86/include/asm/rwsem.h:142 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:72
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
sync_inodes_one_sb+0x4d/0x60 fs/sync.c:74
iterate_supers+0x13c/0x290 fs/super.c:633
ksys_sync+0x86/0x150 fs/sync.c:113
__ia32_sys_sync+0xa/0x10 fs/sync.c:124
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb8f207a0f9
Code: Bad RIP value.
RSP: 002b:00007fb8f05aa168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fb8f219a120 RCX: 00007fb8f207a0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb8f20d5ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd3e356bf R14: 00007fb8f05aa300 R15: 0000000000022000
INFO: task syz-executor.0:11310 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D28008 11310 8118 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline]
rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117
__down_write arch/x86/include/asm/rwsem.h:142 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:72
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
sync_inodes_one_sb+0x4d/0x60 fs/sync.c:74
iterate_supers+0x13c/0x290 fs/super.c:633
ksys_sync+0x86/0x150 fs/sync.c:113
__ia32_sys_sync+0xa/0x10 fs/sync.c:124
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb8f207a0f9
Code: Bad RIP value.
RSP: 002b:00007fb8e9189168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fb8f219a1f0 RCX: 00007fb8f207a0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb8f20d5ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd3e356bf R14: 00007fb8e9189300 R15: 0000000000022000
INFO: task syz-executor.0:11311 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D30344 11311 8118 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline]
rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117
__down_write arch/x86/include/asm/rwsem.h:142 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:72
bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
f2fs_msg: 9179 callbacks suppressed
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
sync_inodes_one_sb+0x4d/0x60 fs/sync.c:74
iterate_supers+0x13c/0x290 fs/super.c:633
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
ksys_sync+0x86/0x150 fs/sync.c:113
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
__ia32_sys_sync+0xa/0x10 fs/sync.c:124
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb8f207a0f9
F2FS-fs (loop4): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24
Code: Bad RIP value.
RSP: 002b:00007fb8e9168168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fb8f219a2c0 RCX: 00007fb8f207a0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb8f20d5ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd3e356bf R14: 00007fb8e9168300 R15: 0000000000022000
Showing all locks held in the system:
4 locks held by kworker/u4:0/7:
#0: 000000005d24f234 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000d9ff39d9 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000567e658f (&type->s_umount_key#75){++++}, at: trylock_super+0x1d/0x100 fs/super.c:412
#3: 000000000c968643 (&sbi->gc_mutex){+.+.}, at: f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512
1 lock held by khungtaskd/1570:
#0: 000000009d48c67d (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7728:
#0: 0000000075b42ba1 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by syz-executor.4/10845:
2 locks held by syz-executor.0/11187:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11200:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11211:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11310:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11311:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11714:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11715:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11716:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/11719:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/12198:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/12199:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/12200:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
2 locks held by syz-executor.0/12201:
#0: 00000000567e658f (&type->s_umount_key#75){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline]
#1: 000000006643088c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 10845 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:__lock_acquire+0x9e0/0x3ff0 kernel/locking/lockdep.c:3397
Code: 08 00 00 49 8d 9d 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 a7 25 00 00 <45> 85 c9 49 8b 9d 78 08 00 00 0f 85 82 fd ff ff 48 85 db 41 bf 01
RSP: 0018:ffff888042a4e420 EFLAGS: 00000046
RAX: 0000000000000886 RBX: ffff888043aa0db8 RCX: 1ffff110087541b7
RDX: dffffc0000000000 RSI: ffff888043aa0e18 RDI: ffffffff8ce12440
RBP: ffff888043aa0e3a R08: 0000000000000886 R09: 0000000000000002
R10: ffff888043aa0e18 R11: 0000000000000000 R12: 0000000000050886
R13: ffff888043aa0540 R14: ffff888043aa0e30 R15: 0000000000000000
FS: 0000000020000480(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb8f207a0cf CR3: 00000000aa5b1000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
down_read+0x36/0x80 kernel/locking/rwsem.c:24
check_valid_map fs/f2fs/gc.c:454 [inline]
gc_data_segment fs/f2fs/gc.c:929 [inline]
do_garbage_collect fs/f2fs/gc.c:1109 [inline]
f2fs_gc+0x1cf3/0x8c90 fs/f2fs/gc.c:1196
f2fs_balance_fs+0x71a/0xd80 fs/f2fs/segment.c:513
__write_data_page+0xab8/0x22d0 fs/f2fs/data.c:1975
f2fs_write_cache_pages+0x96e/0x13e0 fs/f2fs/data.c:2107
__f2fs_write_data_pages fs/f2fs/data.c:2217 [inline]
f2fs_write_data_pages+0xcc3/0x1060 fs/f2fs/data.c:2244
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
file_write_and_wait_range+0x93/0x100 mm/filemap.c:776
f2fs_do_sync_file+0x2eb/0x2550 fs/f2fs/file.c:228
f2fs_sync_file+0x136/0x190 fs/f2fs/file.c:334
vfs_fsync_range+0x13a/0x220 fs/sync.c:197
generic_write_sync include/linux/fs.h:2750 [inline]
f2fs_file_write_iter+0x64b/0xbe0 fs/f2fs/file.c:3044
call_write_iter include/linux/fs.h:1821 [inline]
new_sync_write fs/read_write.c:474 [inline]
__vfs_write+0x51b/0x770 fs/read_write.c:487
__kernel_write+0x109/0x370 fs/read_write.c:506
dump_emit+0x183/0x300 fs/coredump.c:801
elf_core_dump+0x33c0/0x4c10 fs/binfmt_elf.c:2392
do_coredump+0x1d4e/0x2d60 fs/coredump.c:765
get_signal+0xed9/0x1f70 kernel/signal.c:2583
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode+0x277/0x2d0 arch/x86/entry/common.c:198
retint_user+0x8/0x18
RIP: 0033:0x7f2542e85101
Code: c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 48 3d 01 f0 ff ff 73 01 <c3> 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:0000000020000400 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f2542fa5050 RCX: 00007f2542e850f9
RDX: 0000000020000300 RSI: 0000000020000400 RDI: 0000000087180000
RBP: 00007f2542ee0ae9 R08: 0000000020000480 R09: 0000000020000480
R10: 0000000020000440 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffcd2b5f29f R14: 00007f253cfd6300 R15: 0000000000022000