INFO: task kworker/u8:7:2469 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-11624-ge477dba5442c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:7 state:D stack:20816 pid:2469 tgid:2469 ppid:2 flags:0x00004000 Workqueue: writeback wb_workfn (flush-8:0) Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1843/0x4ae0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384 jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505 __ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_do_writepages+0x112c/0x3d20 fs/ext4/inode.c:2707 ext4_writepages+0x213/0x3c0 fs/ext4/inode.c:2813 do_writepages+0x35d/0x870 mm/page-writeback.c:2683 __writeback_single_inode+0x14f/0x10d0 fs/fs-writeback.c:1658 writeback_sb_inodes+0x80c/0x1370 fs/fs-writeback.c:1954 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2025 wb_writeback+0x42f/0xbd0 fs/fs-writeback.c:2136 wb_check_old_data_flush fs/fs-writeback.c:2240 [inline] wb_do_writeback fs/fs-writeback.c:2293 [inline] wb_workfn+0xba1/0x1090 fs/fs-writeback.c:2321 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task jbd2/sda1-8:4634 blocked for more than 145 seconds. Not tainted 6.11.0-syzkaller-11624-ge477dba5442c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:24176 pid:4634 tgid:4634 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1843/0x4ae0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 io_schedule+0x8d/0x110 kernel/sched/core.c:7552 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64 wait_on_buffer include/linux/buffer_head.h:414 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline] jbd2_journal_commit_transaction+0x3df6/0x67e0 fs/jbd2/commit.c:887 kjournald2+0x41c/0x7b0 fs/jbd2/journal.c:201 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz-executor:5204 blocked for more than 147 seconds. Not tainted 6.11.0-syzkaller-11624-ge477dba5442c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:20528 pid:5204 tgid:5204 ppid:5201 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1843/0x4ae0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384 jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505 __ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981 __mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493 generic_update_time fs/inode.c:2041 [inline] inode_update_time fs/inode.c:2054 [inline] __file_update_time fs/inode.c:2243 [inline] file_update_time+0x3b3/0x430 fs/inode.c:2273 ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102 do_page_mkwrite+0x198/0x480 mm/memory.c:3162 wp_page_shared mm/memory.c:3563 [inline] do_wp_page+0x23d3/0x52d0 mm/memory.c:3713 handle_pte_fault+0x10e3/0x6800 mm/memory.c:5767 __handle_mm_fault mm/memory.c:5894 [inline] handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f9ef7e67294 RSP: 002b:00007ffdd1de4310 EFLAGS: 00010246 RAX: 00007f9ef5e98000 RBX: 00005555726b4190 RCX: 0000000000000000 RDX: 1ffffffff0927f88 RSI: 00005555726a66a8 RDI: 0000000000000001 RBP: 00007ffdd1de47f0 R08: 00005555726a66a8 R09: 0000000000000ff1 R10: 00007f9ef8c750b8 R11: 0000000000000246 R12: 00007ffdd1de4640 R13: 0000000000000005 R14: 00007ffdd1de4380 R15: 00007ffdd1de4450 INFO: task syz-executor:6173 blocked for more than 149 seconds. Not tainted 6.11.0-syzkaller-11624-ge477dba5442c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:20784 pid:6173 tgid:6173 ppid:6157 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1843/0x4ae0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 start_this_handle+0x55d/0x2110 fs/jbd2/transaction.c:384 jbd2__journal_start+0x2da/0x5d0 fs/jbd2/transaction.c:505 __ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112 __ext4_new_inode+0x1488/0x4380 fs/ext4/ialloc.c:1078 ext4_mkdir+0x425/0xcf0 fs/ext4/namei.c:3017 vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4257 do_mkdirat+0x264/0x3a0 fs/namei.c:4280 __do_sys_mkdirat fs/namei.c:4295 [inline] __se_sys_mkdirat fs/namei.c:4293 [inline] __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4293 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7296f7c7d7 RSP: 002b:00007ffd16cd2228 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f7296ff043b RCX: 00007f7296f7c7d7 RDX: 00000000000001ff RSI: 00007f7296ff043b RDI: 00000000ffffff9c RBP: 00007f7297136a38 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 INFO: task syz.4.265:6289 blocked for more than 151 seconds. Not tainted 6.11.0-syzkaller-11624-ge477dba5442c #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.265 state:D stack:23512 pid:6289 tgid:6287 ppid:5547 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0x1843/0x4ae0 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6767 jbd2_log_wait_commit+0x29f/0x4a0 fs/jbd2/journal.c:679 jbd2_journal_flush+0x15c/0xc10 fs/jbd2/journal.c:2446 __ext4_ioctl fs/ext4/ioctl.c:1463 [inline] ext4_ioctl+0x2858/0x5590 fs/ext4/ioctl.c:1626 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd100f7df39 RSP: 002b:00007fd1009ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd101135f80 RCX: 00007fd100f7df39 RDX: 0000000020000180 RSI: 0000000040086610 RDI: 0000000000000008 RBP: 00007fd100ff0216 R08: 0000000000000000 R09: 0000000000000000