INFO: task syz-executor.2:12799 blocked for more than 143 seconds. Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:0 pid:12799 ppid:12905 flags:0x00000008 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5209 [inline] __schedule+0x408/0x594 kernel/sched/core.c:6521 schedule+0x64/0xa4 kernel/sched/core.c:6597 wb_wait_for_completion+0x9c/0x12c fs/fs-writeback.c:191 __writeback_inodes_sb_nr fs/fs-writeback.c:2628 [inline] try_to_writeback_inodes_sb+0xf4/0x14c fs/fs-writeback.c:2676 ext4_nonda_switch fs/ext4/inode.c:2950 [inline] ext4_da_write_begin+0xc8/0x4d0 fs/ext4/inode.c:2977 generic_perform_write+0xf0/0x2cc mm/filemap.c:3753 ext4_buffered_write_iter+0x15c/0x294 fs/ext4/file.c:285 ext4_file_write_iter+0x84/0x408 fs/ext4/file.c:700 __kernel_write_iter+0xe0/0x284 fs/read_write.c:517 dump_emit_page+0x208/0x4ac fs/coredump.c:857 dump_user_range+0x70/0x254 fs/coredump.c:908 elf_core_dump+0x15dc/0x16dc fs/binfmt_elf.c:2312 do_coredump+0x8b0/0x1010 fs/coredump.c:755 get_signal+0x788/0xb2c kernel/signal.c:2844 do_signal+0xd4/0x438 arch/arm64/kernel/signal.c:1076 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1129 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_da+0xb8/0x16c arch/arm64/kernel/entry-common.c:516 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffff80000d4a4768 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/12: #0: ffff80000d4a4db8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/27: #0: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:303 2 locks held by kworker/u4:1/29: 2 locks held by syslogd/2589: #0: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: pick_link+0x220/0x5d8 fs/namei.c:1774 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by getty/2763: #0: ffff0000c6bde098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244 #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177 3 locks held by syz-executor.5/3090: #0: ffff0000e3eed080 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x9c/0x28c fs/readdir.c:55 #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2529 [inline] #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: iterate_dir+0x238/0x28c fs/readdir.c:70 #2: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 3 locks held by kworker/u4:8/9510: #0: ffff0000c0c3e138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff8000229c3d80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264 #2: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 3 locks held by syz-executor.2/12905: #0: ffff0000edee5a10 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x9c/0x28c fs/readdir.c:55 #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2529 [inline] #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: iterate_dir+0x238/0x28c fs/readdir.c:70 #2: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 4 locks held by kworker/u4:3/19992: #0: ffff0000c8077538 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff80001406bd80 ((work_completion)(&ei->i_rsv_conversion_work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264 #2: ffff0000c7be5990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x6b8/0x7fc fs/jbd2/transaction.c:461 #3: ffff0000fa4ba8c8 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x444/0xaec fs/ext4/inode.c:638 3 locks held by syz-executor.1/32013: #0: ffff0001272e9720 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x9c/0x28c fs/readdir.c:55 #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2529 [inline] #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: iterate_dir+0x238/0x28c fs/readdir.c:70 #2: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 3 locks held by syz-executor.0/4136: #0: ffff0000e6b15080 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x9c/0x28c fs/readdir.c:55 #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2529 [inline] #1: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: iterate_dir+0x238/0x28c fs/readdir.c:70 #2: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by kworker/1:3/7183: #0: ffff0000c0010738 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff800014ecbd80 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264 3 locks held by kworker/u4:0/7276: #0: ffff0000c0134d38 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff800015dbbd80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264 #2: ffff80000d879598 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x68/0x648 net/core/net_namespace.c:563 3 locks held by syz-executor.2/12799: #0: ffff0000c7be2460 (sb_writers#3){.+.+}-{0:0}, at: do_coredump+0x8a4/0x1010 fs/coredump.c:754 #1: ffff0000e6a2da10 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff0000e6a2da10 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0x50/0x294 fs/ext4/file.c:279 #2: ffff0000c7be20e0 (&type->s_umount_key#29){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x3c/0x14c fs/fs-writeback.c:2673 1 lock held by syz-executor.2/14155: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/14182: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/14290: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/14305: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/14342: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/14355: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/14359: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/14366: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/14367: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/14377: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/14383: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/14386: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/14393: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/14395: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/14403: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/14409: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/14513: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/14515: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/14518: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/14522: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/14600: 1 lock held by syz-executor.1/14679: 1 lock held by syz-executor.3/14688: 2 locks held by syz-executor.4/14706: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.5/14737: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.1/14868: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.4/14877: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.3/14896: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.4/15073: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.0/15175: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.3/15182: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.4/15191: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 2 locks held by syz-executor.5/15206: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 #1: ffff0000c7be53f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0xc0/0x330 fs/jbd2/checkpoint.c:110 1 lock held by syz-executor.5/15378: 1 lock held by syz-executor.1/15402: 1 lock held by syz-executor.3/15406: 1 lock held by syz-executor.5/15408: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/15410: 1 lock held by syz-executor.0/15686: 1 lock held by syz-executor.3/15770: 1 lock held by syz-executor.2/15873: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/15889: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/15898: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/16021: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/16051: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/16106: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/16247: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/16655: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/16661: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/16664: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/17211: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/17680: 1 lock held by syz-executor.0/17974: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/19323: 1 lock held by syz-executor.1/19325: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/19436: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/19805: 1 lock held by syz-executor.2/20051: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/20076: 1 lock held by syz-executor.3/20398: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/20421: 1 lock held by syz-executor.2/20432: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/20652: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/20803: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/20868: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/20957: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/21040: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/21124: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/21126: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/21251: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/21300: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/21740: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/22176: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/22766: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/22871: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/23063: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/23073: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/23082: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/23085: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/23087: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/23148: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/23294: 1 lock held by syz-executor.2/23445: 1 lock held by syz-executor.0/23591: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/23941: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/23950: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/24284: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/24688: 1 lock held by syz-executor.1/24690: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/24693: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/24799: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/25104: 1 lock held by syz-executor.1/25325: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/25787: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/26470: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/26473: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/26801: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/27095: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/27417: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/27645: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/27915: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/28284: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/28516: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/28737: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/28846: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/28853: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/28970: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/28971: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/29066: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/29087: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/29730: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/29777: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/29813: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/30225: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.4/30288: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/30334: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/30925: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/31429: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/31486: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/1742: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/1953: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/2248: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/2250: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/2691: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/2714: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/2833: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/3999: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/4031: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/4177: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/4286: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/4360: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/4485: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/4897: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/6183: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/6204: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/6504: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/6880: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/6894: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/7056: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/7456: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/7694: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.3/7862: 1 lock held by syz-executor.1/8304: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.2/8385: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.1/9977: 1 lock held by syz-executor.1/9983: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 2 locks held by syz-executor.4/10085: #0: ffff0000ca5f1350 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff0000ca5f1350 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff0000ca5f1350 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 #1: ffff0000f0bd3930 (sk_lock-AF_CAN){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1721 [inline] #1: ffff0000f0bd3930 (sk_lock-AF_CAN){+.+.}-{0:0}, at: bcm_release+0xf8/0x4a4 net/can/bcm.c:1523 2 locks held by syz-executor.5/10096: #0: ffff0000e68bd290 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff0000e68bd290 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff0000e68bd290 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 #1: ffff0000ee60b930 (sk_lock-AF_CAN){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1721 [inline] #1: ffff0000ee60b930 (sk_lock-AF_CAN){+.+.}-{0:0}, at: bcm_release+0xf8/0x4a4 net/can/bcm.c:1523 1 lock held by syz-executor.1/10097: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.0/10103: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 1 lock held by syz-executor.5/10122: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 2 locks held by syz-executor.3/10174: #0: ffff0000e6a08d90 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff0000e6a08d90 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff0000e6a08d90 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 #1: ffff0000edb9c130 (sk_lock-AF_CAN){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1721 [inline] #1: ffff0000edb9c130 (sk_lock-AF_CAN){+.+.}-{0:0}, at: bcm_release+0xf8/0x4a4 net/can/bcm.c:1523 1 lock held by syz-executor.3/10180: 1 lock held by syz-executor.1/10234: 1 lock held by syz-executor.1/10331: #0: ffff0000c7be0b98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x94/0xfd4 fs/ext4/inode.c:2694 =============================================