INFO: task syz-executor.4:12086 blocked for more than 143 seconds. Not tainted 5.10.179 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:24912 pid:12086 ppid: 288 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3800 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 io_schedule+0xba/0x130 kernel/sched/core.c:6299 bit_wait_io+0x12/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit_lock+0x131/0x1c0 kernel/sched/wait_bit.c:90 out_of_line_wait_on_bit_lock+0xd5/0x110 kernel/sched/wait_bit.c:117 wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline] __lock_buffer fs/buffer.c:69 [inline] lock_buffer include/linux/buffer_head.h:400 [inline] __sync_dirty_buffer+0x34c/0x3e0 fs/buffer.c:3142 __ext4_handle_dirty_metadata+0x294/0x720 fs/ext4/ext4_jbd2.c:366 ext4_convert_inline_data_nolock+0x6a5/0xe50 fs/ext4/inline.c:1248 ext4_convert_inline_data+0x517/0x5f0 fs/ext4/inline.c:2007 ext4_fallocate+0x18a/0x3960 fs/ext4/extents.c:4699 vfs_fallocate+0x48f/0xd00 fs/open.c:309 ksys_fallocate fs/open.c:332 [inline] __do_sys_fallocate fs/open.c:340 [inline] __se_sys_fallocate fs/open.c:338 [inline] __x64_sys_fallocate+0xcf/0x140 fs/open.c:338 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f524ca7ab19 RSP: 002b:00007f5249ff0188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f524cb8df60 RCX: 00007f524ca7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009 RBP: 00007f524cad4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008800000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfe72889f R14: 00007f5249ff0300 R15: 0000000000022000 INFO: task syz-executor.4:12309 blocked for more than 143 seconds. Not tainted 5.10.179 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29224 pid:12309 ppid: 288 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3800 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 rwsem_down_read_slowpath+0x514/0xbb0 kernel/locking/rwsem.c:1099 __down_read kernel/locking/rwsem.c:1341 [inline] down_read+0x1f5/0x430 kernel/locking/rwsem.c:1506 inode_lock_shared include/linux/fs.h:784 [inline] ext4_dio_read_iter fs/ext4/file.c:61 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x20d/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1913 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x1090 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f524ca7ab19 RSP: 002b:00007f5249fcf188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f524cb8e020 RCX: 00007f524ca7ab19 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000003 RBP: 00007f524cad4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 000000000020d315 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfe72889f R14: 00007f5249fcf300 R15: 0000000000022000 INFO: task syz-executor.4:12476 blocked for more than 143 seconds. Not tainted 5.10.179 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28128 pid:12476 ppid: 288 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3800 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 rwsem_down_write_slowpath+0x60d/0xc30 kernel/locking/rwsem.c:1235 __down_write kernel/locking/rwsem.c:1401 [inline] down_write+0x140/0x160 kernel/locking/rwsem.c:1558 inode_lock include/linux/fs.h:774 [inline] ext4_buffered_write_iter+0xb6/0x4d0 fs/ext4/file.c:264 ext4_file_write_iter+0x4fb/0x18e0 fs/ext4/file.c:687 call_write_iter include/linux/fs.h:1919 [inline] new_sync_write+0x42c/0x660 fs/read_write.c:518 vfs_write+0x747/0xa70 fs/read_write.c:605 ksys_write+0x12d/0x260 fs/read_write.c:658 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f524ca7ab19 RSP: 002b:00007f5249fae188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f524cb8e0e0 RCX: 00007f524ca7ab19 RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000007 RBP: 00007f524cad4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfe72889f R14: 00007f5249fae300 R15: 0000000000022000 INFO: task syz-executor.4:12477 blocked for more than 143 seconds. Not tainted 5.10.179 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28672 pid:12477 ppid: 288 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3800 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 rwsem_down_write_slowpath+0x60d/0xc30 kernel/locking/rwsem.c:1235 __down_write kernel/locking/rwsem.c:1401 [inline] down_write+0x140/0x160 kernel/locking/rwsem.c:1558 inode_lock include/linux/fs.h:774 [inline] ext4_dio_write_iter fs/ext4/file.c:511 [inline] ext4_file_write_iter+0x377/0x18e0 fs/ext4/file.c:685 call_write_iter include/linux/fs.h:1919 [inline] new_sync_write+0x42c/0x660 fs/read_write.c:518 vfs_write+0x747/0xa70 fs/read_write.c:605 ksys_write+0x12d/0x260 fs/read_write.c:658 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f524ca7ab19 RSP: 002b:00007f5249f8d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f524cb8e1a0 RCX: 00007f524ca7ab19 RDX: 0000000000000010 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007f524cad4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfe72889f R14: 00007f5249f8d300 R15: 0000000000022000 INFO: task syz-executor.4:12479 blocked for more than 143 seconds. Not tainted 5.10.179 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29136 pid:12479 ppid: 288 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3800 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 rwsem_down_write_slowpath+0x60d/0xc30 kernel/locking/rwsem.c:1235 __down_write kernel/locking/rwsem.c:1401 [inline] down_write+0x140/0x160 kernel/locking/rwsem.c:1558 inode_lock include/linux/fs.h:774 [inline] do_truncate+0x125/0x1f0 fs/open.c:62 handle_truncate fs/namei.c:2976 [inline] do_open fs/namei.c:3317 [inline] path_openat+0x1d4a/0x26f0 fs/namei.c:3431 do_filp_open+0x190/0x3e0 fs/namei.c:3458 do_sys_openat2+0x171/0x420 fs/open.c:1186 do_sys_open fs/open.c:1202 [inline] __do_sys_creat fs/open.c:1276 [inline] __se_sys_creat fs/open.c:1270 [inline] __x64_sys_creat+0xc9/0x120 fs/open.c:1270 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f524ca7ab19 RSP: 002b:00007f5249f6c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f524cb8e260 RCX: 00007f524ca7ab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f524cad4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfe72889f R14: 00007f5249f6c300 R15: 0000000000022000 INFO: task syz-executor.4:12481 blocked for more than 143 seconds. Not tainted 5.10.179 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29224 pid:12481 ppid: 288 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:3800 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 rwsem_down_read_slowpath+0x514/0xbb0 kernel/locking/rwsem.c:1099 __down_read kernel/locking/rwsem.c:1341 [inline] down_read+0x1f5/0x430 kernel/locking/rwsem.c:1506 inode_lock_shared include/linux/fs.h:784 [inline] ext4_dio_read_iter fs/ext4/file.c:61 [inline] ext4_file_read_iter fs/ext4/file.c:129 [inline] ext4_file_read_iter+0x20d/0x4c0 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1913 [inline] generic_file_splice_read+0x455/0x6d0 fs/splice.c:311 do_splice_to+0x10e/0x160 fs/splice.c:788 splice_direct_to_actor+0x2fe/0x980 fs/splice.c:867 do_splice_direct+0x1c4/0x290 fs/splice.c:976 do_sendfile+0x553/0x1090 fs/read_write.c:1257 __do_sys_sendfile64 fs/read_write.c:1318 [inline] __se_sys_sendfile64 fs/read_write.c:1304 [inline] __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f524ca7ab19 RSP: 002b:00007f5249f2a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f524cb8e3e0 RCX: 00007f524ca7ab19 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 00007f524cad4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 000000000020d315 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfe72889f R14: 00007f5249f2a300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84ff7ea0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6390 2 locks held by systemd-journal/102: 1 lock held by in:imklog/211: #0: ffff8880099139f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1018 3 locks held by syz-executor.4/12086: #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:332 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:340 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:338 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __x64_sys_fallocate+0xcf/0x140 fs/open.c:338 #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_fallocate+0x182/0x3960 fs/ext4/extents.c:4698 #2: ffff88801d7db200 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline] #2: ffff88801d7db200 (&ei->xattr_sem){++++}-{3:3}, at: ext4_convert_inline_data+0x34b/0x5f0 fs/ext4/inline.c:2005 2 locks held by syz-executor.4/12309: #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1318 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1304 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:784 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_dio_read_iter fs/ext4/file.c:61 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_file_read_iter fs/ext4/file.c:129 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_file_read_iter+0x20d/0x4c0 fs/ext4/file.c:114 3 locks held by syz-executor.4/12476: #0: ffff888055eecff0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1018 #1: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x260 fs/read_write.c:658 #2: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #2: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_buffered_write_iter+0xb6/0x4d0 fs/ext4/file.c:264 3 locks held by syz-executor.4/12477: #0: ffff888055eec5f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xed/0x110 fs/file.c:1018 #1: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x260 fs/read_write.c:658 #2: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #2: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_dio_write_iter fs/ext4/file.c:511 [inline] #2: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_file_write_iter+0x377/0x18e0 fs/ext4/file.c:685 2 locks held by syz-executor.4/12479: #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: do_open fs/namei.c:3306 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: path_openat+0x1a3d/0x26f0 fs/namei.c:3431 #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: do_truncate+0x125/0x1f0 fs/open.c:62 2 locks held by syz-executor.4/12481: #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1318 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1304 [inline] #0: ffff88800ff6c438 (sb_writers#3){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d1/0x210 fs/read_write.c:1304 #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:784 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_dio_read_iter fs/ext4/file.c:61 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_file_read_iter fs/ext4/file.c:129 [inline] #1: ffff88801d7db5c0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_file_read_iter+0x20d/0x4c0 fs/ext4/file.c:114 =============================================