INFO: task kworker/u8:5:1572 blocked for more than 143 seconds.
Tainted: G U 6.14.0-rc7-syzkaller-00050-gfc444ada1310 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:5 state:D stack:23288 pid:1572 tgid:1572 ppid:2 task_flags:0x4248060 flags:0x00004000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
io_schedule+0xbf/0x130 kernel/sched/core.c:7690
rq_qos_wait+0x1a9/0x2e0 block/blk-rq-qos.c:280
__wbt_wait block/blk-wbt.c:594 [inline]
wbt_wait+0x1b0/0x390 block/blk-wbt.c:658
__rq_qos_throttle+0x53/0xa0 block/blk-rq-qos.c:66
rq_qos_throttle block/blk-rq-qos.h:151 [inline]
rq_qos_throttle block/blk-rq-qos.h:147 [inline]
blk_mq_get_new_requests block/blk-mq.c:2978 [inline]
blk_mq_submit_bio+0x9e1/0x2610 block/blk-mq.c:3128
__submit_bio+0x3d1/0x690 block/blk-core.c:628
__submit_bio_noacct_mq block/blk-core.c:715 [inline]
submit_bio_noacct_nocheck+0x698/0xd70 block/blk-core.c:744
submit_bio_noacct+0x50d/0x1ec0 block/blk-core.c:867
ext4_io_submit+0xa6/0x140 fs/ext4/page-io.c:377
ext4_do_writepages+0x981/0x32d0 fs/ext4/inode.c:2692
ext4_writepages+0x303/0x730 fs/ext4/inode.c:2824
do_writepages+0x1b3/0x820 mm/page-writeback.c:2687
__writeback_single_inode+0x166/0xfa0 fs/fs-writeback.c:1680
writeback_sb_inodes+0x606/0xfa0 fs/fs-writeback.c:1976
__writeback_inodes_wb+0xff/0x2e0 fs/fs-writeback.c:2047
wb_writeback+0x803/0xb80 fs/fs-writeback.c:2158
wb_check_old_data_flush fs/fs-writeback.c:2262 [inline]
wb_do_writeback fs/fs-writeback.c:2315 [inline]
wb_workfn+0x8c0/0xbc0 fs/fs-writeback.c:2343
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3319 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task jbd2/sda1-8:5168 blocked for more than 145 seconds.
Tainted: G U 6.14.0-rc7-syzkaller-00050-gfc444ada1310 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D stack:26192 pid:5168 tgid:5168 ppid:2 task_flags:0x240040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
io_schedule+0xbf/0x130 kernel/sched/core.c:7690
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
__wait_on_buffer+0x64/0x70 fs/buffer.c:123
wait_on_buffer include/linux/buffer_head.h:414 [inline]
jbd2_journal_commit_transaction+0x3897/0x67e0 fs/jbd2/commit.c:810
kjournald2+0x1f8/0x760 fs/jbd2/journal.c:201
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task syz-executor:5828 blocked for more than 146 seconds.
Tainted: G U 6.14.0-rc7-syzkaller-00050-gfc444ada1310 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:22896 pid:5828 tgid:5828 ppid:5826 task_flags:0x440100 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
io_schedule+0xbf/0x130 kernel/sched/core.c:7690
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5831
__ext4_mark_inode_dirty+0x1ab/0x860 fs/ext4/inode.c:6005
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6042
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2112
inode_update_time fs/inode.c:2125 [inline]
__file_update_time fs/inode.c:2353 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2383
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6160
do_page_mkwrite+0x177/0x380 mm/memory.c:3256
wp_page_shared mm/memory.c:3657 [inline]
do_wp_page+0xc4b/0x4670 mm/memory.c:3807
handle_pte_fault mm/memory.c:5904 [inline]
__handle_mm_fault+0x1ade/0x2a40 mm/memory.c:6031
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6200
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f52cec765ef
RSP: 002b:00007ffd48026f20 EFLAGS: 00010202
RAX: 00007f52cd4e0000 RBX: 00005555781f4390 RCX: 0000000000000003
RDX: 1ffffffff03f4e1b RSI: 00005555781ee728 RDI: 0000000000000008
RBP: 00007ffd48027210 R08: 00005555781eea60 R09: 00000000000029c3
R10: 0000000000000001 R11: 00007ffd48027420 R12: 00007ffd48027270
R13: 0000000000000004 R14: 00007ffd48026f90 R15: 00007ffd48027060
INFO: task syz.7.4726:16778 blocked for more than 148 seconds.
Tainted: G U 6.14.0-rc7-syzkaller-00050-gfc444ada1310 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.7.4726 state:D stack:25200 pid:16778 tgid:16773 ppid:10973 task_flags:0x400040 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
io_schedule+0xbf/0x130 kernel/sched/core.c:7690
folio_wait_bit_common+0x3d8/0x9b0 mm/filemap.c:1317
folio_wait_writeback+0x3c/0x90 mm/page-writeback.c:3179
__filemap_fdatawait_range+0x123/0x210 mm/filemap.c:541
file_write_and_wait_range+0x101/0x140 mm/filemap.c:800
ext4_sync_file+0x286/0xef0 fs/ext4/fsync.c:158
vfs_fsync_range+0x136/0x220 fs/sync.c:187
__do_sys_msync+0x3c6/0x5b0 mm/msync.c:96
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5c48d8d169
RSP: 002b:00007f5c49b44038 EFLAGS: 00000246 ORIG_RAX: 000000000000001a
RAX: ffffffffffffffda RBX: 00007f5c48fa5fa0 RCX: 00007f5c48d8d169
RDX: 0000000400000004 RSI: 0180000000000000 RDI: 000000001ffff000
RBP: 00007f5c48e0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5c48fa5fa0 R15: 00007ffd75e57e78
INFO: task syz.5.4777:16876 blocked for more than 149 seconds.
Tainted: G U 6.14.0-rc7-syzkaller-00050-gfc444ada1310 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.4777 state:D stack:28368 pid:16876 tgid:16876 ppid:10877 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
io_schedule+0xbf/0x130 kernel/sched/core.c:7690
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5831
__ext4_mark_inode_dirty+0x1ab/0x860 fs/ext4/inode.c:6005
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6042
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2112
inode_update_time fs/inode.c:2125 [inline]
__file_update_time fs/inode.c:2353 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2383
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6160
do_page_mkwrite+0x177/0x380 mm/memory.c:3256
do_shared_fault mm/memory.c:5485 [inline]
do_fault mm/memory.c:5547 [inline]
do_pte_missing+0x29e/0x3e10 mm/memory.c:4059
handle_pte_fault mm/memory.c:5888 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:6031
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6200
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f085c263c9b
RSP: 002b:00007ffc0506c6f0 EFLAGS: 00010246
RAX: 00000000003ffde8 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b32320000 RSI: 0000000000400000 RDI: 00007f085c4967b0
RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000927c0 R14: 00000000000616b0 R15: 00007ffc0506c9a0
INFO: task syz.4.4778:16877 blocked for more than 150 seconds.
Tainted: G U 6.14.0-rc7-syzkaller-00050-gfc444ada1310 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.4778 state:D stack:28368 pid:16877 tgid:16877 ppid:6543 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
io_schedule+0xbf/0x130 kernel/sched/core.c:7690
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5831
__ext4_mark_inode_dirty+0x1ab/0x860 fs/ext4/inode.c:6005
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6042
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2112
inode_update_time fs/inode.c:2125 [inline]
__file_update_time fs/inode.c:2353 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2383
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6160
do_page_mkwrite+0x177/0x380 mm/memory.c:3256
do_shared_fault mm/memory.c:5485 [inline]
do_fault mm/memory.c:5547 [inline]
do_pte_missing+0x29e/0x3e10 mm/memory.c:4059
handle_pte_fault mm/memory.c:5888 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:6031
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6200
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f96cb663c9b
RSP: 002b:00007fffcd80c680 EFLAGS: 00010246
RAX: 00000000005ffde8 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000001b2be20000 RSI: 0000000000600000 RDI: 00007f96cb8967b0
RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000927c0 R14: 00000000000616f2 R15: 00007fffcd80c930
INFO: task syz.6.4779:16878 blocked for more than 152 seconds.
Tainted: G U 6.14.0-rc7-syzkaller-00050-gfc444ada1310 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.4779 state:D stack:27880 pid:16878 tgid:16878 ppid:10924 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5378 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6765
__schedule_loop kernel/sched/core.c:6842 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6857
io_schedule+0xbf/0x130 kernel/sched/core.c:7690
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:247
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:105 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x340 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5831
__ext4_mark_inode_dirty+0x1ab/0x860 fs/ext4/inode.c:6005
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:6042
__mark_inode_dirty+0x1ec/0xe50 fs/fs-writeback.c:2515
generic_update_time+0xcf/0xf0 fs/inode.c:2112
inode_update_time fs/inode.c:2125 [inline]
__file_update_time fs/inode.c:2353 [inline]
file_update_time+0x17d/0x1c0 fs/inode.c:2383
ext4_page_mkwrite+0x368/0x1760 fs/ext4/inode.c:6160
do_page_mkwrite+0x177/0x380 mm/memory.c:3256
do_shared_fault mm/memory.c:5485 [inline]
do_fault mm/memory.c:5547 [inline]
do_pte_missing+0x29e/0x3e10 mm/memory.c:4059
handle_pte_fault mm/memory.c:5888 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:6031