INFO: task syz-executor.5:3600 blocked for more than 143 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:20184 pid: 3600 ppid:     1 flags:0x00004004
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]
 vfs_unlink+0xe0/0x5f0 fs/namei.c:4198
 do_unlinkat+0x49d/0x940 fs/namei.c:4277
 __do_sys_unlink fs/namei.c:4325 [inline]
 __se_sys_unlink fs/namei.c:4323 [inline]
 __x64_sys_unlink+0x45/0x50 fs/namei.c:4323
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f95cd29fad7
RSP: 002b:00007ffc895e8d08 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95cd29fad7
RDX: 00007ffc895e8d40 RSI: 00007ffc895e8d40 RDI: 00007ffc895e8dd0
RBP: 00007ffc895e8dd0 R08: 0000000000000001 R09: 00007ffc895e8ba0
R10: 0000555555e8390b R11: 0000000000000206 R12: 00007f95cd2facdc
R13: 00007ffc895e9e90 R14: 0000555555e83810 R15: 00007ffc895e9ed0
 </TASK>
INFO: task syz-executor.3:3616 blocked for more than 144 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:20320 pid: 3616 ppid:     1 flags:0x00004004
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]
 vfs_unlink+0xe0/0x5f0 fs/namei.c:4198
 do_unlinkat+0x49d/0x940 fs/namei.c:4277
 __do_sys_unlink fs/namei.c:4325 [inline]
 __se_sys_unlink fs/namei.c:4323 [inline]
 __x64_sys_unlink+0x45/0x50 fs/namei.c:4323
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f930480aad7
RSP: 002b:00007ffe62e74ed8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f930480aad7
RDX: 00007ffe62e74f10 RSI: 00007ffe62e74f10 RDI: 00007ffe62e74fa0
RBP: 00007ffe62e74fa0 R08: 0000000000000001 R09: 00007ffe62e74d70
R10: 00005555556cd90b R11: 0000000000000206 R12: 00007f9304865cdc
R13: 00007ffe62e76060 R14: 00005555556cd810 R15: 00007ffe62e760a0
 </TASK>
INFO: task syz-executor.4:5795 blocked for more than 144 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:20888 pid: 5795 ppid:     1 flags:0x00004004
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]
 vfs_unlink+0xe0/0x5f0 fs/namei.c:4198
 do_unlinkat+0x49d/0x940 fs/namei.c:4277
 __do_sys_unlink fs/namei.c:4325 [inline]
 __se_sys_unlink fs/namei.c:4323 [inline]
 __x64_sys_unlink+0x45/0x50 fs/namei.c:4323
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fb707233ad7
RSP: 002b:00007ffdc3adfc78 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb707233ad7
RDX: 00007ffdc3adfcb0 RSI: 00007ffdc3adfcb0 RDI: 00007ffdc3adfd40
RBP: 00007ffdc3adfd40 R08: 0000000000000001 R09: 00007ffdc3adfb10
R10: 00005555556478e3 R11: 0000000000000206 R12: 00007fb70728ecdc
R13: 00007ffdc3ae0e00 R14: 0000555555647810 R15: 00007ffdc3ae0e40
 </TASK>
INFO: task syz-executor.5:7229 blocked for more than 145 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:21080 pid: 7229 ppid:  3600 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:2659
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
 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+0x22e/0x380 fs/ext4/file.c:269
 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: 0033:0x24cbd9603189
RSP: 002b:0000000020000428 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f95cd3c0050 RCX: 00007f95cd2a0169
RDX: 0000000020000440 RSI: 0000000020000420 RDI: 000000003808c400
RBP: 00007f95cd2fbca1 R08: 00000000200005c0 R09: 00000000200005c0
R10: 0000000020000480 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffc895e9baf R14: 00007f95cb7f1300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.5:7259 blocked for more than 146 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:21368 pid: 7259 ppid:  3600 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:2659
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
 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+0x22e/0x380 fs/ext4/file.c:269
 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: 0033:0x24cbd9603189
RSP: 002b:0000000020000428 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f95cd3bff80 RCX: 00007f95cd2a0169
RDX: 0000000020000440 RSI: 0000000020000420 RDI: 000000003808c400
RBP: 00007f95cd2fbca1 R08: 00000000200005c0 R09: 00000000200005c0
R10: 0000000020000480 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffc895e9baf R14: 00007f95cb812300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.5:7282 blocked for more than 148 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:21368 pid: 7282 ppid:  3600 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:2659
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
 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+0x22e/0x380 fs/ext4/file.c:269
 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: 0033:0x24cbd9603189
RSP: 002b:0000000020000428 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f95cd3bff80 RCX: 00007f95cd2a0169
RDX: 0000000020000440 RSI: 0000000020000420 RDI: 000000003808c400
RBP: 00007f95cd2fbca1 R08: 00000000200005c0 R09: 00000000200005c0
R10: 0000000020000480 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffc895e9baf R14: 00007f95cb812300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.3:7304 blocked for more than 149 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:21112 pid: 7304 ppid:  3616 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:2659
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
 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+0x22e/0x380 fs/ext4/file.c:269
 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_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7f930480b171
RSP: 002b:0000000020000410 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f930492af80 RCX: 00007f930480b169
RDX: 0000000020000440 RSI: 0000000020000410 RDI: 000000003808c400
RBP: 00007f9304866ca1 R08: 00000000200005c0 R09: 00000000200005c0
R10: 0000000020000480 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffe62e75d7f R14: 00007f9302d7d300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.5:7330 blocked for more than 151 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:20600 pid: 7330 ppid:  3600 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:2659
 try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
 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+0x22e/0x380 fs/ext4/file.c:269
 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: 0033:0x24cbd9603189
RSP: 002b:0000000020000428 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f95cd3bff80 RCX: 00007f95cd2a0169
RDX: 0000000020000440 RSI: 0000000020000420 RDI: 000000003808c400
RBP: 00007f95cd2fbca1 R08: 00000000200005c0 R09: 00000000200005c0
R10: 0000000020000480 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffc895e9baf R14: 00007f95cb812300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.3:7338 blocked for more than 153 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:21208 pid: 7338 ppid:  3616 flags:0x00004000
Call Trace:
 <TASK>