INFO: task jbd2/nvme0n1p2-:4309 blocked for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/nvme0n1p2- state:D stack:0 pid:4309 tgid:4309 ppid:2 task_flags:0x240040 flags:0x00000010 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 __bio_queue_enter+0x2c0/0x6b8 block/blk-core.c:397 bio_queue_enter block/blk.h:99 [inline] blk_mq_submit_bio+0x5f8/0x227c block/blk-mq.c:3149 __submit_bio+0x94/0x2dc block/blk-core.c:674 __submit_bio_noacct_mq block/blk-core.c:757 [inline] submit_bio_noacct_nocheck+0x290/0xa14 block/blk-core.c:791 submit_bio_noacct+0xd80/0x16e8 block/blk-core.c:929 submit_bio+0x2d0/0x410 block/blk-core.c:970 blk_crypto_submit_bio include/linux/blk-crypto.h:212 [inline] __bh_submit+0x6a0/0x7bc fs/buffer.c:1136 bh_submit+0x3c/0x50 fs/buffer.c:1150 jbd2_journal_commit_transaction+0x1904/0x4e24 fs/jbd2/commit.c:751 kjournald2+0x2ec/0x5dc fs/jbd2/journal.c:200 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 INFO: task syz-executor:4699 blocked in I/O wait for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:4699 tgid:4699 ppid:4698 task_flags:0x440100 flags:0x00000000 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 io_schedule+0x1c/0xe0 kernel/sched/core.c:8146 bit_wait_io+0x1c/0xe8 kernel/sched/wait_bit.c:258 __wait_on_bit+0xb8/0x178 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0x130/0x184 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:106 [inline] do_get_write_access+0x4e4/0x1308 fs/jbd2/transaction.c:1113 jbd2_journal_get_write_access+0x1d8/0x214 fs/jbd2/transaction.c:1263 __ext4_journal_get_write_access+0x84/0x2dc fs/ext4/ext4_jbd2.c:253 ext4_reserve_inode_write+0x130/0x208 fs/ext4/inode.c:7451 __ext4_mark_inode_dirty+0x154/0x7b4 fs/ext4/inode.c:7642 ext4_dirty_inode+0xd8/0x114 fs/ext4/inode.c:7679 __mark_inode_dirty+0x378/0x1634 fs/fs-writeback.c:2751 generic_update_time+0xe8/0x110 fs/inode.c:2263 file_update_time_flags+0x2b8/0x338 fs/inode.c:2493 file_update_time+0x24/0x34 fs/inode.c:2514 ext4_page_mkwrite+0x1bc/0xda8 fs/ext4/inode.c:7864 do_page_mkwrite+0x138/0x2b8 mm/memory.c:3879 wp_page_shared mm/memory.c:4280 [inline] do_wp_page+0x1e58/0x3f80 mm/memory.c:4503 handle_pte_fault mm/memory.c:6651 [inline] __handle_mm_fault mm/memory.c:6776 [inline] handle_mm_fault+0x1338/0x2b58 mm/memory.c:6943 do_page_fault+0x7e8/0xc00 arch/arm64/mm/fault.c:720 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:1019 el0_da+0x78/0x1d4 arch/arm64/kernel/entry-common.c:612 el0t_64_sync_handler+0xd8/0x104 arch/arm64/kernel/entry-common.c:818 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task kworker/u8:12:7771 blocked for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:12 state:D stack:0 pid:7771 tgid:7771 ppid:2 task_flags:0x4248060 flags:0x00000010 Workqueue: writeback wb_workfn (flush-259:0) Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 __bio_queue_enter+0x2c0/0x6b8 block/blk-core.c:397 bio_queue_enter block/blk.h:99 [inline] blk_mq_submit_bio+0x5f8/0x227c block/blk-mq.c:3149 __submit_bio+0x94/0x2dc block/blk-core.c:674 __submit_bio_noacct_mq block/blk-core.c:757 [inline] submit_bio_noacct_nocheck+0x290/0xa14 block/blk-core.c:791 submit_bio_noacct+0xd80/0x16e8 block/blk-core.c:929 submit_bio+0x2d0/0x410 block/blk-core.c:970 blk_crypto_submit_bio include/linux/blk-crypto.h:212 [inline] ext4_io_submit+0x10c/0x178 fs/ext4/page-io.c:399 io_submit_add_bh fs/ext4/page-io.c:455 [inline] ext4_bio_write_folio+0x12c8/0x1774 fs/ext4/page-io.c:550 mpage_submit_folio+0x1f4/0x254 fs/ext4/inode.c:2220 mpage_process_page_bufs+0x5a8/0x748 fs/ext4/inode.c:2327 mpage_prepare_extent_to_map+0xc0c/0x13bc fs/ext4/inode.c:2875 ext4_do_writepages+0x9ac/0x3618 fs/ext4/inode.c:3023 ext4_writepages+0x198/0x2dc fs/ext4/inode.c:3171 do_writepages+0x284/0x47c mm/page-writeback.c:2560 __writeback_single_inode+0x144/0x1634 fs/fs-writeback.c:1809 writeback_sb_inodes+0x790/0x15f4 fs/fs-writeback.c:2120 __writeback_inodes_wb+0xec/0x210 fs/fs-writeback.c:2196 wb_writeback+0x3d0/0xd40 fs/fs-writeback.c:2307 wb_check_old_data_flush fs/fs-writeback.c:2411 [inline] wb_do_writeback fs/fs-writeback.c:2490 [inline] wb_workfn+0x948/0xc78 fs/fs-writeback.c:2518 process_one_work kernel/workqueue.c:3495 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3578 worker_thread+0x798/0xbd0 kernel/workqueue.c:3659 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 INFO: task dhcpcd-run-hook:9247 blocked in I/O wait for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd-run-hook state:D stack:0 pid:9247 tgid:9247 ppid:9233 task_flags:0x440040 flags:0x00800000 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 io_schedule+0x1c/0xe0 kernel/sched/core.c:8146 bit_wait_io+0x1c/0xe8 kernel/sched/wait_bit.c:258 __wait_on_bit+0xb8/0x178 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0x130/0x184 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:106 [inline] do_get_write_access+0x4e4/0x1308 fs/jbd2/transaction.c:1113 jbd2_journal_get_write_access+0x1d8/0x214 fs/jbd2/transaction.c:1263 __ext4_journal_get_write_access+0x84/0x2dc fs/ext4/ext4_jbd2.c:253 ext4_reserve_inode_write+0x130/0x208 fs/ext4/inode.c:7451 __ext4_mark_inode_dirty+0x154/0x7b4 fs/ext4/inode.c:7642 ext4_dirty_inode+0xd8/0x114 fs/ext4/inode.c:7679 __mark_inode_dirty+0x378/0x1634 fs/fs-writeback.c:2751 generic_update_time+0xe8/0x110 fs/inode.c:2263 touch_atime+0x2d0/0x4e8 fs/inode.c:2338 file_accessed include/linux/fs.h:2283 [inline] filemap_read+0xba4/0xd04 mm/filemap.c:2914 generic_file_read_iter+0x9c/0x344 mm/filemap.c:3034 ext4_file_read_iter+0x440/0x7e4 fs/ext4/file.c:-1 __kernel_read+0x3b4/0x7cc fs/read_write.c:532 kernel_read+0x78/0x90 fs/read_write.c:550 prepare_binprm fs/exec.c:1716 [inline] search_binary_handler fs/exec.c:1763 [inline] exec_binprm fs/exec.c:1809 [inline] bprm_execve+0x718/0x11e8 fs/exec.c:1865 do_execveat_common+0x3dc/0x528 fs/exec.c:1963 __do_sys_execve fs/exec.c:2036 [inline] __se_sys_execve fs/exec.c:2030 [inline] __arm64_sys_execve+0xa8/0xcc fs/exec.c:2030 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz.4.1315:9248 blocked in I/O wait for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.1315 state:D stack:0 pid:9248 tgid:9248 ppid:4717 task_flags:0x440040 flags:0x00800001 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 io_schedule+0x1c/0xe0 kernel/sched/core.c:8146 bit_wait_io+0x1c/0xe8 kernel/sched/wait_bit.c:258 __wait_on_bit+0xb8/0x178 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0x130/0x184 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:106 [inline] do_get_write_access+0x4e4/0x1308 fs/jbd2/transaction.c:1113 jbd2_journal_get_write_access+0x1d8/0x214 fs/jbd2/transaction.c:1263 __ext4_journal_get_write_access+0x84/0x2dc fs/ext4/ext4_jbd2.c:253 ext4_reserve_inode_write+0x130/0x208 fs/ext4/inode.c:7451 __ext4_mark_inode_dirty+0x154/0x7b4 fs/ext4/inode.c:7642 ext4_dirty_inode+0xd8/0x114 fs/ext4/inode.c:7679 __mark_inode_dirty+0x378/0x1634 fs/fs-writeback.c:2751 generic_update_time+0xe8/0x110 fs/inode.c:2263 touch_atime+0x2d0/0x4e8 fs/inode.c:2338 file_accessed include/linux/fs.h:2283 [inline] ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:919 vfs_mmap_prepare include/linux/fs.h:2075 [inline] call_mmap_prepare mm/vma.c:2921 [inline] __mmap_region mm/vma.c:3038 [inline] mmap_region+0xbc8/0x2800 mm/vma.c:3136 do_mmap+0xb88/0x1104 mm/mmap.c:573 vm_mmap_pgoff+0x2a8/0x4a4 mm/util.c:581 ksys_mmap_pgoff+0x364/0x5b4 mm/mmap.c:619 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0x110/0x12c arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz.0.1316:9249 blocked in I/O wait for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1316 state:D stack:0 pid:9249 tgid:9249 ppid:8816 task_flags:0x440040 flags:0x00800001 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 io_schedule+0x1c/0xe0 kernel/sched/core.c:8146 bit_wait_io+0x1c/0xe8 kernel/sched/wait_bit.c:258 __wait_on_bit+0xb8/0x178 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0x130/0x184 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:106 [inline] do_get_write_access+0x4e4/0x1308 fs/jbd2/transaction.c:1113 jbd2_journal_get_write_access+0x1d8/0x214 fs/jbd2/transaction.c:1263 __ext4_journal_get_write_access+0x84/0x2dc fs/ext4/ext4_jbd2.c:253 ext4_reserve_inode_write+0x130/0x208 fs/ext4/inode.c:7451 __ext4_mark_inode_dirty+0x154/0x7b4 fs/ext4/inode.c:7642 ext4_dirty_inode+0xd8/0x114 fs/ext4/inode.c:7679 __mark_inode_dirty+0x378/0x1634 fs/fs-writeback.c:2751 generic_update_time+0xe8/0x110 fs/inode.c:2263 touch_atime+0x2d0/0x4e8 fs/inode.c:2338 file_accessed include/linux/fs.h:2283 [inline] ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:919 vfs_mmap_prepare include/linux/fs.h:2075 [inline] call_mmap_prepare mm/vma.c:2921 [inline] __mmap_region mm/vma.c:3038 [inline] mmap_region+0xbc8/0x2800 mm/vma.c:3136 do_mmap+0xb88/0x1104 mm/mmap.c:573 vm_mmap_pgoff+0x2a8/0x4a4 mm/util.c:581 ksys_mmap_pgoff+0x364/0x5b4 mm/mmap.c:619 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0x110/0x12c arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz.9.1317:9250 blocked in I/O wait for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.9.1317 state:D stack:0 pid:9250 tgid:9250 ppid:7628 task_flags:0x440040 flags:0x00800001 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 io_schedule+0x1c/0xe0 kernel/sched/core.c:8146 bit_wait_io+0x1c/0xe8 kernel/sched/wait_bit.c:258 __wait_on_bit+0xb8/0x178 kernel/sched/wait_bit.c:52 out_of_line_wait_on_bit+0x130/0x184 kernel/sched/wait_bit.c:67 wait_on_bit_io include/linux/wait_bit.h:106 [inline] do_get_write_access+0x4e4/0x1308 fs/jbd2/transaction.c:1113 jbd2_journal_get_write_access+0x1d8/0x214 fs/jbd2/transaction.c:1263 __ext4_journal_get_write_access+0x84/0x2dc fs/ext4/ext4_jbd2.c:253 ext4_reserve_inode_write+0x130/0x208 fs/ext4/inode.c:7451 __ext4_mark_inode_dirty+0x154/0x7b4 fs/ext4/inode.c:7642 ext4_dirty_inode+0xd8/0x114 fs/ext4/inode.c:7679 __mark_inode_dirty+0x378/0x1634 fs/fs-writeback.c:2751 generic_update_time+0xe8/0x110 fs/inode.c:2263 touch_atime+0x2d0/0x4e8 fs/inode.c:2338 file_accessed include/linux/fs.h:2283 [inline] ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:919 vfs_mmap_prepare include/linux/fs.h:2075 [inline] call_mmap_prepare mm/vma.c:2921 [inline] __mmap_region mm/vma.c:3038 [inline] mmap_region+0xbc8/0x2800 mm/vma.c:3136 do_mmap+0xb88/0x1104 mm/mmap.c:573 vm_mmap_pgoff+0x2a8/0x4a4 mm/util.c:581 ksys_mmap_pgoff+0x364/0x5b4 mm/mmap.c:619 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0x110/0x12c arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 Showing all locks held in the system: locks held by kworker/u8:1/13: 2, last CPU#1: #0: ffff0000cdf2f148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000cdf2f148 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff80008fa57c20 ((work_completion)(&(&bat_priv->dat.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff80008fa57c20 ((work_completion)(&(&bat_priv->dat.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by khungtaskd/31: 1, last CPU#0: #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff800089aa5660 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871 locks held by getty/4492: 2, on CPU#0: #0: ffff0000ce00a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000932db2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x350/0xffc drivers/tty/n_tty.c:2211 locks held by syz-executor/4699: 3, on CPU#1: #0: ffff0000d2746bc8 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1c4/0x498 mm/mmap_lock.c:337 #1: ffff0000d1826570 (sb_pagefaults){++++}-{0:0}, at: percpu_down_read_freezable include/linux/percpu-rwsem.h:83 [inline] #1: ffff0000d1826570 (sb_pagefaults){++++}-{0:0}, at: __sb_start_write include/linux/fs/super.h:19 [inline] #1: ffff0000d1826570 (sb_pagefaults){++++}-{0:0}, at: sb_start_pagefault include/linux/fs/super.h:159 [inline] #1: ffff0000d1826570 (sb_pagefaults){++++}-{0:0}, at: ext4_page_mkwrite+0x1a4/0xda8 fs/ext4/inode.c:7863 #2: ffff0000d1824950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1 locks held by kworker/u8:12/7771: 4, on CPU#0: #0: ffff0000c1ee4948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c1ee4948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000a9777c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000a9777c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000d1826100 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:642 #3: ffff0000d14a0cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline] #3: ffff0000d14a0cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1892 [inline] #3: ffff0000d14a0cd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2dc fs/ext4/inode.c:3170 locks held by syz.6.1283/9093: 2, on CPU#0: #0: ffff0000c8ea8570 (&ctrl->scan_lock){+.+.}-{4:4}, at: nvme_passthru_start+0x68/0xf4 drivers/nvme/host/core.c:1270 #1: ffff0000c871d558 (&subsys->lock){+.+.}-{4:4}, at: nvme_passthru_start+0x90/0xf4 drivers/nvme/host/core.c:1271 locks held by dhcpcd-run-hook/9247: 3, on CPU#0: #0: ffff0000c85738a8 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: prepare_bprm_creds fs/exec.c:1419 [inline] #0: ffff0000c85738a8 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0xac/0x11e8 fs/exec.c:1845 #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: file_accessed include/linux/fs.h:2283 [inline] #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: filemap_read+0xba4/0xd04 mm/filemap.c:2914 #2: ffff0000d1824950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1 locks held by syz.4.1315/9248: 3, on CPU#0: #0: ffff0000fd5acc80 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline] #0: ffff0000fd5acc80 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x1b0/0x4a4 mm/util.c:579 #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: file_accessed include/linux/fs.h:2283 [inline] #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:919 #2: ffff0000d1824950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1 locks held by syz.0.1316/9249: 3, on CPU#0: #0: ffff0000da8f1800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline] #0: ffff0000da8f1800 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x1b0/0x4a4 mm/util.c:579 #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: file_accessed include/linux/fs.h:2283 [inline] #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:919 #2: ffff0000d1824950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1 locks held by syz.9.1317/9250: 3, on CPU#1: #0: ffff0000d85b0d80 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline] #0: ffff0000d85b0d80 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x1b0/0x4a4 mm/util.c:579 #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: file_accessed include/linux/fs.h:2283 [inline] #1: ffff0000d1826478 (sb_writers#3){++++}-{0:0}, at: ext4_file_mmap_prepare+0x1dc/0x398 fs/ext4/file.c:919 #2: ffff0000d1824950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1 =============================================