INFO: task syz-executor.2:23233 blocked for more than 143 seconds.
      Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:21240 pid:23233 ppid: 16305 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
 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:3785
 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_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7faa30b39db1
RSP: 002b:0000000020000430 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007faa30c67f80 RCX: 00007faa30b39da9
RDX: 0000000020000040 RSI: 0000000020000430 RDI: 000000000c000000
RBP: 00007faa30b8647a R08: 0000000020000480 R09: 0000000020000480
R10: 0000000020000440 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007faa30c67f80 R15: 00007ffff2076528
 </TASK>
INFO: task syz-executor.2:23250 blocked for more than 145 seconds.
      Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:21336 pid:23250 ppid: 16305 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
 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:3785
 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_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7faa30b39db1
RSP: 002b:0000000020000430 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007faa30c67f80 RCX: 00007faa30b39da9
RDX: 0000000020000040 RSI: 0000000020000430 RDI: 000000000c000000
RBP: 00007faa30b8647a R08: 0000000020000480 R09: 0000000020000480
R10: 0000000020000440 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007faa30c67f80 R15: 00007ffff2076528
 </TASK>
INFO: task syz-executor.2:23294 blocked for more than 147 seconds.
      Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:21376 pid:23294 ppid: 16305 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
 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:3785
 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_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7faa30b39db1
RSP: 002b:0000000020000430 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007faa30c67f80 RCX: 00007faa30b39da9
RDX: 0000000020000040 RSI: 0000000020000430 RDI: 000000000c000000
RBP: 00007faa30b8647a R08: 0000000020000480 R09: 0000000020000480
R10: 0000000020000440 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007faa30c67f80 R15: 00007ffff2076528
 </TASK>
INFO: task syz-executor.2:23335 blocked for more than 148 seconds.
      Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:21368 pid:23335 ppid: 16305 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
 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:3785
 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_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7faa30b39db1
RSP: 002b:0000000020000430 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007faa30c67f80 RCX: 00007faa30b39da9
RDX: 0000000020000040 RSI: 0000000020000430 RDI: 000000000c000000
RBP: 00007faa30b8647a R08: 0000000020000480 R09: 0000000020000480
R10: 0000000020000440 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007faa30c67f80 R15: 00007ffff2076528
 </TASK>
INFO: task syz-executor.4:23366 blocked for more than 150 seconds.
      Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:21368 pid:23366 ppid: 22355 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
 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:3785
 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_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7f41e627cdb1
RSP: 002b:0000000020000430 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f41e63aaf80 RCX: 00007f41e627cda9
RDX: 0000000020000040 RSI: 0000000020000430 RDI: 000000000c000000
RBP: 00007f41e62c947a R08: 0000000020000480 R09: 0000000020000480
R10: 0000000020000440 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f41e63aaf80 R15: 00007fffccc0f848
 </TASK>
INFO: task syz-executor.2:23382 blocked for more than 152 seconds.
      Not tainted 5.15.152-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:21176 pid:23382 ppid: 16305 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
 __writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
 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:3785
 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
 ext4_file_write_iter+0x87c/0x1990