INFO: task jbd2/nvme0n1p2-:3904 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/nvme0n1p2- state:D stack:0     pid:3904  ppid:2      flags:0x00000008
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 __bio_queue_enter+0x238/0x56c block/blk-core.c:339
 bio_queue_enter block/blk.h:76 [inline]
 blk_mq_submit_bio+0x4ec/0x1ad8 block/blk-mq.c:3012
 __submit_bio+0x1d8/0x260 block/blk-core.c:591
 __submit_bio_noacct_mq block/blk-core.c:668 [inline]
 submit_bio_noacct_nocheck+0x65c/0xa1c block/blk-core.c:697
 submit_bio_noacct+0xc5c/0x1660 block/blk-core.c:808
 submit_bio+0x29c/0x3d0 block/blk-core.c:853
 submit_bh_wbc+0x394/0x44c fs/buffer.c:2702
 submit_bh+0x2c/0x3c fs/buffer.c:2707
 jbd2_journal_commit_transaction+0x1ddc/0x5680 fs/jbd2/commit.c:765
 kjournald2+0x370/0x6a4 fs/jbd2/journal.c:210
 kthread+0x254/0x2e0 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
INFO: task syz-executor:4316 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:4316  ppid:4315   flags:0x00000004
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x168/0x208 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:101 [inline]
 do_get_write_access+0x504/0xe4c fs/jbd2/transaction.c:1115
 jbd2_journal_get_write_access+0x11c/0x14c fs/jbd2/transaction.c:1250
 __ext4_journal_get_write_access+0x1f8/0x5f8 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x1e4/0x264 fs/ext4/inode.c:5945
 __ext4_mark_inode_dirty+0x190/0x7e8 fs/ext4/inode.c:6129
 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:6166
 __mark_inode_dirty+0x2e8/0x11cc fs/fs-writeback.c:2515
 generic_update_time fs/inode.c:1946 [inline]
 inode_update_time fs/inode.c:1959 [inline]
 __file_update_time+0x1f8/0x220 fs/inode.c:2147
 file_update_time+0x270/0x2ec fs/inode.c:2178
 ext4_page_mkwrite+0x180/0x10b0 fs/ext4/inode.c:6284
 do_page_mkwrite+0x140/0x35c mm/memory.c:3009
 wp_page_shared+0x14c/0x544 mm/memory.c:3358
 do_wp_page+0xc88/0xed4 mm/memory.c:3508
 handle_pte_fault mm/memory.c:5047 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x1520/0x3018 mm/memory.c:5292
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x310/0x99c arch/arm64/mm/fault.c:583
 do_mem_abort+0x70/0x198 arch/arm64/mm/fault.c:804
 el0_da+0x74/0x14c arch/arm64/kernel/entry-common.c:515
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task kworker/u4:7:5740 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:7    state:D stack:0     pid:5740  ppid:2      flags:0x00000008
Workqueue: nvme-wq nvme_scan_work
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 blk_mq_freeze_queue_wait+0xe8/0x170 block/blk-mq.c:181
 blk_freeze_queue+0xc0/0xf4 block/blk-mq.c:208
 blk_mq_freeze_queue+0x20/0x30 block/blk-mq.c:217
 nvme_update_ns_info_block+0x1fc/0x15a0 drivers/nvme/host/core.c:2086
 nvme_update_ns_info+0x88/0x520 drivers/nvme/host/core.c:-1
 nvme_validate_ns drivers/nvme/host/core.c:4516 [inline]
 nvme_scan_ns+0xc88/0x2da8 drivers/nvme/host/core.c:4566
 nvme_scan_ns_sequential drivers/nvme/host/core.c:4648 [inline]
 nvme_scan_work+0x7a4/0xd34 drivers/nvme/host/core.c:4709
 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292
 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439
 kthread+0x254/0x2e0 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
INFO: task syz.2.465:6022 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.465       state:D stack:0     pid:6022  ppid:4330   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x168/0x208 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:101 [inline]
 do_get_write_access+0x504/0xe4c fs/jbd2/transaction.c:1115
 jbd2_journal_get_write_access+0x11c/0x14c fs/jbd2/transaction.c:1250
 __ext4_journal_get_write_access+0x1f8/0x5f8 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x1e4/0x264 fs/ext4/inode.c:5945
 __ext4_mark_inode_dirty+0x190/0x7e8 fs/ext4/inode.c:6129
 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:6166
 __mark_inode_dirty+0x2e8/0x11cc fs/fs-writeback.c:2515
 generic_update_time fs/inode.c:1946 [inline]
 inode_update_time fs/inode.c:1959 [inline]
 __file_update_time+0x1f8/0x220 fs/inode.c:2147
 file_update_time+0x270/0x2ec fs/inode.c:2178
 ext4_page_mkwrite+0x180/0x10b0 fs/ext4/inode.c:6284
 do_page_mkwrite+0x140/0x35c mm/memory.c:3009
 do_shared_fault mm/memory.c:4694 [inline]
 do_fault mm/memory.c:4762 [inline]
 handle_pte_fault mm/memory.c:5029 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x1404/0x3018 mm/memory.c:5292
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x310/0x99c arch/arm64/mm/fault.c:583
 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667
 do_mem_abort+0x70/0x198 arch/arm64/mm/fault.c:804
 el0_da+0x74/0x14c arch/arm64/kernel/entry-common.c:515
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz.4.468:6027 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.468       state:D stack:0     pid:6027  ppid:4341   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x168/0x208 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:101 [inline]
 do_get_write_access+0x504/0xe4c fs/jbd2/transaction.c:1115
 jbd2_journal_get_write_access+0x11c/0x14c fs/jbd2/transaction.c:1250
 __ext4_journal_get_write_access+0x1f8/0x5f8 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x1e4/0x264 fs/ext4/inode.c:5945
 __ext4_mark_inode_dirty+0x190/0x7e8 fs/ext4/inode.c:6129
 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:6166
 __mark_inode_dirty+0x2e8/0x11cc fs/fs-writeback.c:2515
 generic_update_time fs/inode.c:1946 [inline]
 inode_update_time fs/inode.c:1959 [inline]
 __file_update_time+0x1f8/0x220 fs/inode.c:2147
 file_update_time+0x270/0x2ec fs/inode.c:2178
 ext4_page_mkwrite+0x180/0x10b0 fs/ext4/inode.c:6284
 do_page_mkwrite+0x140/0x35c mm/memory.c:3009
 do_shared_fault mm/memory.c:4694 [inline]
 do_fault mm/memory.c:4762 [inline]
 handle_pte_fault mm/memory.c:5029 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x1404/0x3018 mm/memory.c:5292
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x310/0x99c arch/arm64/mm/fault.c:583
 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667
 do_mem_abort+0x70/0x198 arch/arm64/mm/fault.c:804
 el0_da+0x74/0x14c arch/arm64/kernel/entry-common.c:515
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task dhcpcd:6034 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:0     pid:6034  ppid:3994   flags:0x00000000
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x168/0x208 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:101 [inline]
 do_get_write_access+0x504/0xe4c fs/jbd2/transaction.c:1115
 jbd2_journal_get_write_access+0x11c/0x14c fs/jbd2/transaction.c:1250
 __ext4_journal_get_write_access+0x1f8/0x5f8 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x1e4/0x264 fs/ext4/inode.c:5945
 __ext4_mark_inode_dirty+0x190/0x7e8 fs/ext4/inode.c:6129
 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:6166
 __mark_inode_dirty+0x2e8/0x11cc fs/fs-writeback.c:2515
 generic_update_time fs/inode.c:1946 [inline]
 inode_update_time fs/inode.c:1959 [inline]
 touch_atime+0x410/0x7dc fs/inode.c:2031
 file_accessed include/linux/fs.h:2606 [inline]
 filemap_read+0x1ec4/0x20dc mm/filemap.c:2836
 generic_file_read_iter+0xf8/0x5ac mm/filemap.c:2941
 ext4_file_read_iter+0x360/0x4cc fs/ext4/file.c:-1
 __kernel_read+0x24c/0x5c0 fs/read_write.c:428
 kernel_read+0xd4/0x1c8 fs/read_write.c:446
 prepare_binprm fs/exec.c:1700 [inline]
 search_binary_handler fs/exec.c:1754 [inline]
 exec_binprm fs/exec.c:1811 [inline]
 bprm_execve+0x894/0x1588 fs/exec.c:1880
 do_execveat_common+0x668/0x7fc fs/exec.c:1985
 do_execve fs/exec.c:2059 [inline]
 __do_sys_execve fs/exec.c:2135 [inline]
 __se_sys_execve fs/exec.c:2130 [inline]
 __arm64_sys_execve+0x98/0xb0 fs/exec.c:2130
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz.1.469:6035 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.469       state:D stack:0     pid:6035  ppid:4329   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x168/0x208 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:101 [inline]
 do_get_write_access+0x504/0xe4c fs/jbd2/transaction.c:1115
 jbd2_journal_get_write_access+0x11c/0x14c fs/jbd2/transaction.c:1250
 __ext4_journal_get_write_access+0x1f8/0x5f8 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x1e4/0x264 fs/ext4/inode.c:5945
 __ext4_mark_inode_dirty+0x190/0x7e8 fs/ext4/inode.c:6129
 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:6166
 __mark_inode_dirty+0x2e8/0x11cc fs/fs-writeback.c:2515
 generic_update_time fs/inode.c:1946 [inline]
 inode_update_time fs/inode.c:1959 [inline]
 __file_update_time+0x1f8/0x220 fs/inode.c:2147
 file_update_time+0x270/0x2ec fs/inode.c:2178
 ext4_page_mkwrite+0x180/0x10b0 fs/ext4/inode.c:6284
 do_page_mkwrite+0x140/0x35c mm/memory.c:3009
 do_shared_fault mm/memory.c:4694 [inline]
 do_fault mm/memory.c:4762 [inline]
 handle_pte_fault mm/memory.c:5029 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x1404/0x3018 mm/memory.c:5292
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x310/0x99c arch/arm64/mm/fault.c:583
 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667
 do_mem_abort+0x70/0x198 arch/arm64/mm/fault.c:804
 el0_da+0x74/0x14c arch/arm64/kernel/entry-common.c:515
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz.0.470:6037 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.470       state:D stack:0     pid:6037  ppid:4328   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x168/0x208 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:101 [inline]
 do_get_write_access+0x504/0xe4c fs/jbd2/transaction.c:1115
 jbd2_journal_get_write_access+0x11c/0x14c fs/jbd2/transaction.c:1250
 __ext4_journal_get_write_access+0x1f8/0x5f8 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x1e4/0x264 fs/ext4/inode.c:5945
 __ext4_mark_inode_dirty+0x190/0x7e8 fs/ext4/inode.c:6129
 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:6166
 __mark_inode_dirty+0x2e8/0x11cc fs/fs-writeback.c:2515
 generic_update_time fs/inode.c:1946 [inline]
 inode_update_time fs/inode.c:1959 [inline]
 __file_update_time+0x1f8/0x220 fs/inode.c:2147
 file_update_time+0x270/0x2ec fs/inode.c:2178
 ext4_page_mkwrite+0x180/0x10b0 fs/ext4/inode.c:6284
 do_page_mkwrite+0x140/0x35c mm/memory.c:3009
 do_shared_fault mm/memory.c:4694 [inline]
 do_fault mm/memory.c:4762 [inline]
 handle_pte_fault mm/memory.c:5029 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x1404/0x3018 mm/memory.c:5292
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x310/0x99c arch/arm64/mm/fault.c:583
 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667
 do_mem_abort+0x70/0x198 arch/arm64/mm/fault.c:804
 el0_da+0x74/0x14c arch/arm64/kernel/entry-common.c:515
 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
INFO: task syz-executor:6038 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:6038  ppid:4316   flags:0x00000000
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209
 __wait_on_bit kernel/sched/wait_bit.c:49 [inline]
 out_of_line_wait_on_bit+0x168/0x208 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:101 [inline]
 do_get_write_access+0x504/0xe4c fs/jbd2/transaction.c:1115
 jbd2_journal_get_write_access+0x11c/0x14c fs/jbd2/transaction.c:1250
 __ext4_journal_get_write_access+0x1f8/0x5f8 fs/ext4/ext4_jbd2.c:235
 ext4_reserve_inode_write+0x1e4/0x264 fs/ext4/inode.c:5945
 __ext4_mark_inode_dirty+0x190/0x7e8 fs/ext4/inode.c:6129
 add_dirent_to_buf+0x438/0x588 fs/ext4/namei.c:2218
 ext4_add_entry+0x5d0/0xbbc fs/ext4/namei.c:2499
 ext4_mkdir+0x420/0xa28 fs/ext4/namei.c:3083
 vfs_mkdir+0x314/0x4d8 fs/namei.c:4157
 do_mkdirat+0x1b8/0x3ec fs/namei.c:4182
 __do_sys_mkdirat fs/namei.c:4197 [inline]
 __se_sys_mkdirat fs/namei.c:4195 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4195
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffff8000165f7e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
 #0: ffff8000165f8690 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
 #0: ffff8000165f7500 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
4 locks held by kworker/u4:3/59:
 #0: ffff0000c2c10938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1
 #1: ffff80001fa97c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267
 #2: ffff0000d990c0e0 (&type->s_umount_key#30){++++}-{3:3}, at: trylock_super+0x24/0xf4 fs/super.c:415
 #3: ffff0000d990ec18 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x1b0/0x28fc fs/ext4/inode.c:2717
2 locks held by getty/4080:
 #0: ffff0000d762d098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff8000219eb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198
3 locks held by syz-executor/4316:
 #0: ffff0000d443ed48 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
 #0: ffff0000d443ed48 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5320 [inline]
 #0: ffff0000d443ed48 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x38/0x2e0 mm/memory.c:5382
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1897 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:2001 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x168/0x10b0 fs/ext4/inode.c:6283
 #2: ffff0000d9912990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfec/0x125c fs/jbd2/transaction.c:461
2 locks held by kworker/0:15/4955:
 #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1
 #1: ffff8000228d7c40 ((work_completion)(&m->mpeg_thread)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267
3 locks held by kworker/u4:7/5740:
 #0: ffff0000cf9b4938 ((wq_completion)nvme-wq){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1
 #1: ffff800022c27c40 ((work_completion)(&ctrl->scan_work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267
 #2: ffff0000cfca8440 (&ctrl->scan_lock){+.+.}-{3:3}, at: nvme_scan_work+0x2fc/0xd34 drivers/nvme/host/core.c:4707
3 locks held by syz.2.465/6022:
 #0: ffff0000ddb61348 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
 #0: ffff0000ddb61348 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5320 [inline]
 #0: ffff0000ddb61348 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x38/0x2e0 mm/memory.c:5382
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1897 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:2001 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x168/0x10b0 fs/ext4/inode.c:6283
 #2: ffff0000d9912990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfec/0x125c fs/jbd2/transaction.c:461
3 locks held by syz.4.468/6027:
 #0: ffff0000ddb67348 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
 #0: ffff0000ddb67348 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5320 [inline]
 #0: ffff0000ddb67348 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x38/0x2e0 mm/memory.c:5382
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1897 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:2001 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x168/0x10b0 fs/ext4/inode.c:6283
 #2: ffff0000d9912990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfec/0x125c fs/jbd2/transaction.c:461
3 locks held by dhcpcd/6034:
 #0: ffff0000cfde8c10 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: prepare_bprm_creds fs/exec.c:1506 [inline]
 #0: ffff0000cfde8c10 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0xb8/0x1588 fs/exec.c:1848
 #1: ffff0000d990c460 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2606 [inline]
 #1: ffff0000d990c460 (sb_writers#3){.+.+}-{0:0}, at: filemap_read+0x1ec4/0x20dc mm/filemap.c:2836
 #2: ffff0000d9912990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfec/0x125c fs/jbd2/transaction.c:461
3 locks held by syz.1.469/6035:
 #0: ffff0000d9d19348 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
 #0: ffff0000d9d19348 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5320 [inline]
 #0: ffff0000d9d19348 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x38/0x2e0 mm/memory.c:5382
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1897 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:2001 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x168/0x10b0 fs/ext4/inode.c:6283
 #2: ffff0000d9912990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfec/0x125c fs/jbd2/transaction.c:461
3 locks held by syz.0.470/6037:
 #0: ffff0000d9d1c948 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline]
 #0: ffff0000d9d1c948 (&mm->mmap_lock){++++}-{3:3}, at: get_mmap_lock_carefully mm/memory.c:5320 [inline]
 #0: ffff0000d9d1c948 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x38/0x2e0 mm/memory.c:5382
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1897 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: sb_start_pagefault include/linux/fs.h:2001 [inline]
 #1: ffff0000d990c558 (sb_pagefaults){.+.+}-{0:0}, at: ext4_page_mkwrite+0x168/0x10b0 fs/ext4/inode.c:6283
 #2: ffff0000d9912990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfec/0x125c fs/jbd2/transaction.c:461
3 locks held by syz-executor/6038:
 #0: ffff0000d990c460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:402
 #1: ffff0000e0b81810 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:799 [inline]
 #1: ffff0000e0b81810 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x1b0/0x3a8 fs/namei.c:3927
 #2: ffff0000d9912990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfec/0x125c fs/jbd2/transaction.c:461

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