INFO: task syz-executor.2:4343 blocked for more than 143 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:22872 pid: 4343 ppid:  3867 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2710
 ext4_nonda_switch fs/ext4/inode.c:2933 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2960
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990
 __kernel_write+0x5b1/0xa60 fs/read_write.c:539
 __dump_emit+0x264/0x3a0 fs/coredump.c:875
 dump_user_range+0x91/0x320 fs/coredump.c:949
 elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
 do_coredump+0x1852/0x31e0 fs/coredump.c:826
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:314
 exc_page_fault+0x342/0x740 arch/x86/mm/fault.c:1544
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
RSP: 002b:00000000200000c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007ff20ec7cf80 RCX: 00007ff20eb5dae9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000040000
RBP: 00007ff20eba947a R08: 0000000020000200 R09: 0000000020000200
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff20ec7cf80 R15: 00007ffd7cf611b8
 </TASK>
INFO: task syz-executor.5:4345 blocked for more than 145 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:22840 pid: 4345 ppid:  3871 flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2710
 ext4_nonda_switch fs/ext4/inode.c:2933 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2960
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990
 __kernel_write+0x5b1/0xa60 fs/read_write.c:539
 __dump_emit+0x264/0x3a0 fs/coredump.c:875
 dump_user_range+0x91/0x320 fs/coredump.c:949
 elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
 do_coredump+0x1852/0x31e0 fs/coredump.c:826
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:314
 exc_page_fault+0x342/0x740 arch/x86/mm/fault.c:1544
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
RSP: 002b:00000000200000c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fc6d29f7f80 RCX: 00007fc6d28d8ae9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000040000
RBP: 00007fc6d292447a R08: 0000000020000200 R09: 0000000020000200
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc6d29f7f80 R15: 00007ffc7daf60f8
 </TASK>
INFO: task syz-executor.2:4384 blocked for more than 147 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:23392 pid: 4384 ppid:  3867 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2710
 ext4_nonda_switch fs/ext4/inode.c:2933 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2960
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990
 __kernel_write+0x5b1/0xa60 fs/read_write.c:539
 __dump_emit+0x264/0x3a0 fs/coredump.c:875
 dump_user_range+0x91/0x320 fs/coredump.c:949
 elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
 do_coredump+0x1852/0x31e0 fs/coredump.c:826
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:314
 exc_page_fault+0x342/0x740 arch/x86/mm/fault.c:1544
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
RSP: 002b:00000000200000c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007ff20ec7cf80 RCX: 00007ff20eb5dae9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000040000
RBP: 00007ff20eba947a R08: 0000000020000200 R09: 0000000020000200
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff20ec7cf80 R15: 00007ffd7cf611b8
 </TASK>
INFO: task syz-executor.5:4392 blocked for more than 149 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:22656 pid: 4392 ppid:  3871 flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2710
 ext4_nonda_switch fs/ext4/inode.c:2933 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2960
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990
 __kernel_write+0x5b1/0xa60 fs/read_write.c:539
 __dump_emit+0x264/0x3a0 fs/coredump.c:875
 dump_user_range+0x91/0x320 fs/coredump.c:949
 elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
 do_coredump+0x1852/0x31e0 fs/coredump.c:826
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:314
 exc_page_fault+0x342/0x740 arch/x86/mm/fault.c:1544
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
RSP: 002b:00000000200000c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fc6d29f7f80 RCX: 00007fc6d28d8ae9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000040000
RBP: 00007fc6d292447a R08: 0000000020000200 R09: 0000000020000200
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc6d29f7f80 R15: 00007ffc7daf60f8
 </TASK>
INFO: task syz-executor.2:4417 blocked for more than 150 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:22688 pid: 4417 ppid:  3867 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2710
 ext4_nonda_switch fs/ext4/inode.c:2933 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2960
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990
 __kernel_write+0x5b1/0xa60 fs/read_write.c:539
 __dump_emit+0x264/0x3a0 fs/coredump.c:875
 dump_user_range+0x91/0x320 fs/coredump.c:949
 elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
 do_coredump+0x1852/0x31e0 fs/coredump.c:826
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:314
 exc_page_fault+0x342/0x740 arch/x86/mm/fault.c:1544
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
RSP: 002b:00000000200000c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007ff20ec7cf80 RCX: 00007ff20eb5dae9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000040000
RBP: 00007ff20eba947a R08: 0000000020000200 R09: 0000000020000200
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007ff20ec7cf80 R15: 00007ffd7cf611b8
 </TASK>
INFO: task syz-executor.5:4430 blocked for more than 151 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:23384 pid: 4430 ppid:  3871 flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2710
 ext4_nonda_switch fs/ext4/inode.c:2933 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2960
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990
 __kernel_write+0x5b1/0xa60 fs/read_write.c:539
 __dump_emit+0x264/0x3a0 fs/coredump.c:875
 dump_user_range+0x91/0x320 fs/coredump.c:949
 elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
 do_coredump+0x1852/0x31e0 fs/coredump.c:826
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:314
 exc_page_fault+0x342/0x740 arch/x86/mm/fault.c:1544
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
RSP: 002b:00000000200002c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fc6d29f8050 RCX: 00007fc6d28d8ae9
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000020000
RBP: 00007fc6d292447a R08: 00000000200013c0 R09: 00000000200013c0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc6d29f8050 R15: 00007ffc7daf60f8
 </TASK>
INFO: task syz-executor.3:4485 blocked for more than 152 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:23096 pid: 4485 ppid:  3868 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2710
 ext4_nonda_switch fs/ext4/inode.c:2933 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2960
 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990
 __kernel_write+0x5b1/0xa60 fs/read_write.c:539
 __dump_emit+0x264/0x3a0 fs/coredump.c:875
 dump_user_range+0x91/0x320 fs/coredump.c:949
 elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
 do_coredump+0x1852/0x31e0 fs/coredump.c:826
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:314
 exc_page_fault+0x342/0x740 arch/x86/mm/fault.c:1544
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x0
RSP: 002b:00000000200000c8 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f46fe0f3f80 RCX: 00007f46fdfd4ae9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000040000
RBP: 00007f46fe02047a R08: 0000000020000200 R09: 0000000020000200
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f46fe0f3f80 R15: 00007fffa3f7bd98
 </TASK>
INFO: task syz-executor.2:4565 blocked for more than 153 seconds.
      Not tainted 5.15.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:22872 pid: 4565 ppid:  3867 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2662