INFO: task syz-executor135:6569 blocked for more than 143 seconds.
      Not tainted 5.15.117-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor135 state:D stack:25600 pid: 6569 ppid:  3534 flags:0x00004000
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
 rwsem_down_write_slowpath+0xebb/0x15c0 kernel/locking/rwsem.c:1157
 __down_write_common kernel/locking/rwsem.c:1284 [inline]
 __down_write kernel/locking/rwsem.c:1293 [inline]
 down_write+0x164/0x170 kernel/locking/rwsem.c:1542
 inode_lock include/linux/fs.h:787 [inline]
 open_last_lookups fs/namei.c:3459 [inline]
 path_openat+0x824/0x2f20 fs/namei.c:3669
 do_filp_open+0x21c/0x460 fs/namei.c:3699
 file_open_name fs/open.c:1156 [inline]
 filp_open+0x25d/0x2c0 fs/open.c:1176
 do_coredump+0x2549/0x31e0 fs/coredump.c:767
 get_signal+0xc06/0x14e0 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
 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+0x5/0x30 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:0000000020000008 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f85fbdedc19
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000600
RBP: 0000000000000000 R08: 0000000020000100 R09: 000000a800000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000697a1
R13: 00007ffebac2a8d0 R14: 00007ffebac2a8c0 R15: 00007ffebac2a8b0
 </TASK>
INFO: task syz-executor135:6657 blocked for more than 146 seconds.
      Not tainted 5.15.117-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor135 state:D stack:22336 pid: 6657 ppid:  3534 flags:0x00004000
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:2943 [inline]
 ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2970
 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:865
 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+0x5/0x30 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:0000000020000308 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00000000000f4240 RCX: 00007f85fbdedc19
RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000400000
RBP: 0000000000000000 R08: 0000000020000480 R09: 000000a800000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000006987e
R13: 00007ffebac2a8d0 R14: 00007ffebac2a8c0 R15: 00007ffebac2a8b0
 </TASK>
INFO: task syz-executor135:6953 blocked for more than 149 seconds.
      Not tainted 5.15.117-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor135 state:D stack:25472 pid: 6953 ppid:  3534 flags:0x00004000
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
 rwsem_down_write_slowpath+0xebb/0x15c0 kernel/locking/rwsem.c:1157
 __down_write_common kernel/locking/rwsem.c:1284 [inline]
 __down_write kernel/locking/rwsem.c:1293 [inline]
 down_write+0x164/0x170 kernel/locking/rwsem.c:1542
 inode_lock include/linux/fs.h:787 [inline]
 open_last_lookups fs/namei.c:3459 [inline]
 path_openat+0x824/0x2f20 fs/namei.c:3669
 do_filp_open+0x21c/0x460 fs/namei.c:3699