systemd[1]: systemd-journald.service: Processes still around after SIGKILL. Ignoring.
systemd[1]: systemd-journald.service: State 'final-sigterm' timed out. Killing.
systemd[1]: systemd-journald.service: Killing process 20732 (systemd-journal) with signal SIGKILL.
INFO: task rs:main Q:Reg:172 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rs:main Q:Reg state:D stack:25552 pid:172 tgid:167 ppid:1 flags:0x00004000
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
file_modified+0x1f0/0x230
ext4_buffered_write_iter+0xf7/0x3c0
ext4_file_write_iter+0x95e/0x18e0
vfs_write+0xbdb/0x10a0
ksys_write+0x122/0x240
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f442820dfef
RSP: 002b:00007f44273c9860 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f441c002020 RCX: 00007f442820dfef
RDX: 0000000000000104 RSI: 00007f441c0022e0 RDI: 0000000000000007
RBP: 0000000000000104 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f441c0022e0
R13: 0000000000000000 R14: 0000000000000082 R15: 00007f441c002020
INFO: task syz-executor.7:3609 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7 state:D stack:23680 pid:3609 tgid:3609 ppid:1 flags:0x00004004
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
touch_atime+0x4bb/0x590
iterate_dir+0x464/0x5e0
__x64_sys_getdents64+0x13e/0x2c0
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4530ab49c7
RSP: 002b:00007ffc8ab9f008 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000055555f200c20 RCX: 00007f4530ab49c7
RDX: 0000000000008000 RSI: 000055555f200c50 RDI: 0000000000000003
RBP: 000055555f200c50 R08: 0000000000000030 R09: 00007f4530b75640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc
R13: 000055555f200c24 R14: 0000000000000016 R15: 00007ffc8aba0200
INFO: task syz-executor.4:7255 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:24816 pid:7255 tgid:7255 ppid:1 flags:0x00004004
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
touch_atime+0x4bb/0x590
iterate_dir+0x464/0x5e0
__x64_sys_getdents64+0x13e/0x2c0
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ed8ee89c7
RSP: 002b:00007fffaca76e78 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555579de2c20 RCX: 00007f1ed8ee89c7
RDX: 0000000000008000 RSI: 0000555579de2c50 RDI: 0000000000000003
RBP: 0000555579de2c50 R08: 0000000000000030 R09: 00007f1ed8fa9640
R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc
R13: 0000555579de2c24 R14: 0000000000000016 R15: 00007fffaca78070
INFO: task kworker/u9:0:16943 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u9:0 state:D stack:24192 pid:16943 tgid:16943 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_do_writepages+0x11af/0x30c0
ext4_writepages+0x2f2/0x700
do_writepages+0x1aa/0x810
__writeback_single_inode+0x114/0xdf0
writeback_sb_inodes+0x5b8/0xe40
__writeback_inodes_wb+0xbe/0x270
wb_writeback+0x694/0xa50
wb_workfn+0x70f/0xe50
process_one_work+0x8ee/0x1a00
worker_thread+0x674/0xe70
kthread+0x2c2/0x3a0
ret_from_fork+0x48/0x80
ret_from_fork_asm+0x1a/0x30
INFO: task syz-executor.1:21408 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26128 pid:21408 tgid:21408 ppid:7252 flags:0x00004004
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
file_update_time+0x183/0x1c0
ext4_page_mkwrite+0x339/0x15e0
do_page_mkwrite+0x180/0x380
__handle_mm_fault+0x115b/0x2f50
handle_mm_fault+0x2b4/0x6a0
do_user_addr_fault+0x4fa/0xf40
exc_page_fault+0x9c/0x1a0
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f69cf91e673
RSP: 002b:00007ffe8c39e9c8 EFLAGS: 00010287
RAX: 0000001b30d21000 RBX: 00007f69cf4f8008 RCX: 0000001b30d20000
RDX: 0000001b30d21004 RSI: ffffffff811824ab RDI: 00000000bf31b0be
RBP: 0000000000000001 R08: 0000001b31d20000 R09: 0000001b30d20d60
R10: 00000000000010be R11: 00000000bf31b0c2 R12: 0000000000000166
R13: 00007f69cfa88000 R14: ffffffff811824ab R15: 00007f69cfa940b0
INFO: task syz-executor.3:21422 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26128 pid:21422 tgid:21422 ppid:7256 flags:0x00004004
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
file_update_time+0x183/0x1c0
ext4_page_mkwrite+0x339/0x15e0
do_page_mkwrite+0x180/0x380
__handle_mm_fault+0x115b/0x2f50
handle_mm_fault+0x2b4/0x6a0
do_user_addr_fault+0x4fa/0xf40
exc_page_fault+0x9c/0x1a0
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f2a32d68673
RSP: 002b:00007ffc4e0746d8 EFLAGS: 00010287
RAX: 0000001b30f21000 RBX: 00007f2a32b42008 RCX: 0000001b30f20000
RDX: 0000001b30f21004 RSI: ffffffff83058197 RDI: 00000000ef680df0
RBP: 0000000000000001 R08: 0000001b31f20000 R09: 0000001b30f2001c
R10: 0000000000000df1 R11: 00000000ef680df4 R12: 00000000000005a6
R13: 00007f2a32ed2000 R14: ffffffff83058197 R15: 00007f2a32eddff0
INFO: task syz-executor.5:21423 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26128 pid:21423 tgid:21423 ppid:9724 flags:0x00004006
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
file_update_time+0x183/0x1c0
ext4_page_mkwrite+0x339/0x15e0
do_page_mkwrite+0x180/0x380
__handle_mm_fault+0x115b/0x2f50
handle_mm_fault+0x2b4/0x6a0
do_user_addr_fault+0x4fa/0xf40
exc_page_fault+0x9c/0x1a0
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f3539e19673
RSP: 002b:00007ffdbaf21be8 EFLAGS: 00010287
RAX: 0000001b33721000 RBX: 00007f3539bf3008 RCX: 0000001b33720000
RDX: 0000001b33721004 RSI: ffffffff82287875 RDI: 000000008b8ce1c6
RBP: 0000000000000001 R08: 0000001b34720000 R09: 0000001b33720f78
R10: 00000000000001c6 R11: 000000008b8ce1ca R12: 0000000000000048
R13: 00007f3539f83000 R14: ffffffff82287875 R15: 00007f3539f8eff0
INFO: task syz-executor.0:21425 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26128 pid:21425 tgid:21425 ppid:16945 flags:0x00004004
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
file_update_time+0x183/0x1c0
ext4_page_mkwrite+0x339/0x15e0
do_page_mkwrite+0x180/0x380
__handle_mm_fault+0x115b/0x2f50
handle_mm_fault+0x2b4/0x6a0
do_user_addr_fault+0x4fa/0xf40
exc_page_fault+0x9c/0x1a0
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7fec71586673
RSP: 002b:00007ffdac15a8e8 EFLAGS: 00010287
RAX: 0000001b2ec21000 RBX: 00007fec71360008 RCX: 0000001b2ec20000
RDX: 0000001b2ec21004 RSI: ffffffff819a1253 RDI: 0000000035443ce0
RBP: 0000000000000001 R08: 0000001b2fc20000 R09: 0000001b2ec20ae4
R10: 0000000000001ce0 R11: 0000000035443ce4 R12: 00000000000006aa
R13: 00007fec716f0000 R14: ffffffff819a1253 R15: 00007fec716fbff0
INFO: task syz-executor.2:21426 blocked for more than 143 seconds.
Not tainted 6.12.0-rc7-next-20241115 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26128 pid:21426 tgid:21426 ppid:20892 flags:0x00004004
Call Trace:
__schedule+0xc19/0x2fa0
schedule+0xdb/0x340
start_this_handle+0x602/0x1300
jbd2__journal_start+0x393/0x6b0
__ext4_journal_start_sb+0x183/0x600
ext4_dirty_inode+0xa5/0x130
__mark_inode_dirty+0x1c1/0xd40
generic_update_time+0xcb/0xf0
file_update_time+0x183/0x1c0
ext4_page_mkwrite+0x339/0x15e0
do_page_mkwrite+0x180/0x380
__handle_mm_fault+0x115b/0x2f50
handle_mm_fault+0x2b4/0x6a0
do_user_addr_fault+0x4fa/0xf40
exc_page_fault+0x9c/0x1a0
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f4f392c9673
RSP: 002b:00007ffee1105758 EFLAGS: 00010287
RAX: 0000001b2d723000 RBX: 00007f4f38ea3008 RCX: 0000001b2d720000
RDX: 0000001b2d723004 RSI: ffffffff843544ae RDI: 00000000fa370725
RBP: 0000000000000001 R08: 0000001b2e720000 R09: 0000001b2d7224f0
R10: 0000000000000725 R11: 00000000fa370729 R12: 0000000000001169
R13: 00007f4f39433000 R14: ffffffff843544ae R15: 00007f4f3943f0b0
Showing all locks held in the system:
1 lock held by khungtaskd/31:
#0: ffffffff85c16180 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x70/0x390
2 locks held by in:imklog/171:
3 locks held by rs:main Q:Reg/172:
#0: ffff88800caac9b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x283/0x3a0
#1: ffff88800cf403f8 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x122/0x240
#2: ffff8880183648a8 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: ext4_buffered_write_iter+0xae/0x3c0
3 locks held by syz-executor.7/3609:
#0: ffff88800ccf50b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x283/0x3a0
#1: ffff88803964ab38 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: iterate_dir+0xdf/0x5e0
#2: ffff88800cf403f8 (sb_writers#3){.+.+}-{0:0}, at: iterate_dir+0x464/0x5e0
3 locks held by syz-executor.4/7255:
#0: ffff888015b747f8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x283/0x3a0
#1: ffff888019355c48 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: iterate_dir+0xdf/0x5e0
#2: ffff88800cf403f8 (sb_writers#3){.+.+}-{0:0}, at: iterate_dir+0x464/0x5e0
1 lock held by syz-executor.6/10279:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.1/10389:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.5/10498:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/10618:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.3/10703:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/10770:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.5/10877:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.3/11902:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.5/12101:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.5/12678:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/12705:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.5/12801:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/12953:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/13297:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.5/13422:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/13972:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.5/14132:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/14288:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/14406:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/14600:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/14628:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.6/14732:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
3 locks held by kworker/u10:1/15330:
#0: ffff888009a39148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11ff/0x1a00
#1: ffff88803fd87d90 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x861/0x1a00
#2: ffff888008fe60e0 (&type->s_umount_key#33){.+.+}-{4:4}, at: super_trylock_shared+0x21/0x100
1 lock held by syz-executor.6/16417:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.1/16799:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
4 locks held by kworker/u9:0/16943:
#0: ffff888009a39148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11ff/0x1a00
#1: ffff88803b487d90 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x861/0x1a00
#2: ffff88800cf400e0 (&type->s_umount_key#46){++++}-{4:4}, at: super_trylock_shared+0x21/0x100
#3: ffff88800cf42b90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1aa/0x810
1 lock held by syz-executor.1/17785:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.3/18268:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.1/18404:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.1/18506:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
1 lock held by syz-executor.1/19238:
#0: ffff88800cf405e8 (sb_internal){.+.+}-{0:0}, at: evict+0x38e/0x8a0
4 locks held by kworker/u10:0/19428:
#0: ffff888009a39148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x11ff/0x1a00
#1: ffff88804478fd90 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x861/0x1a00
#2: ffff88800cf400e0 (&type->s_umount_key#46){++++}-{4:4}, at: super_trylock_shared+0x21/0x100
#3: ffff88800cf42b90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1aa/0x810
1 lock held by systemd-journal/20732:
#0: ffff88800cf42b90 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x1aa/0x810
2 locks held by syz-executor.1/21408:
#0: ffff888042e8ac40 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x141/0x800
#1: ffff88800cf404f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x180/0x380
2 locks held by syz-executor.6/21429:
#0: ffff88800cf44160 (&journal->j_barrier){+.+.}-{4:4}, at: jbd2_journal_lock_updates+0x15d/0x310
#1: ffff88800cf443e8 (&journal->j_checkpoint_mutex){+.+.}-{4:4}, at: jbd2_journal_flush+0x19e/0xc30
2 locks held by syz-executor.3/21422:
#0: ffff888042068070 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x141/0x800
#1: ffff88800cf404f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x180/0x380
2 locks held by syz-executor.5/21423:
#0: ffff88802fb9f658 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x141/0x800
#1: ffff88800cf404f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x180/0x380
2 locks held by syz-executor.0/21425:
#0: ffff8880413de658 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x141/0x800
#1: ffff88800cf404f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x180/0x380
2 locks held by syz-executor.2/21426:
#0: ffff88800ded73d0 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x141/0x800
#1: ffff88800cf404f0 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x180/0x380
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