INFO: task syz-executor.4:31688 blocked for more than 143 seconds.
Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:22496 pid:31688 ppid:14672 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
__writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2639
try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2687
ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:3029
ext4_da_write_begin+0x170/0xb50 fs/ext4/inode.c:3056
generic_perform_write+0x256/0x570 mm/filemap.c:3772
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
ext4_file_write_iter+0x8bf/0x1710 fs/ext4/file.c:700
__kernel_write_iter+0x262/0x730 fs/read_write.c:517
dump_emit_page fs/coredump.c:864 [inline]
dump_user_range+0x234/0x700 fs/coredump.c:915
elf_core_dump+0x2718/0x3590 fs/binfmt_elf.c:2137
do_coredump+0x2764/0x3c50 fs/coredump.c:762
get_signal+0x1c03/0x2450 kernel/signal.c:2845
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000388 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb4b61ac120 RCX: 00007fb4b608c0c9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000080
RBP: 00007fb4b60e7ae9 R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffd1d0069f R14: 00007fb4b4bfe300 R15: 0000000000022000
INFO: task syz-executor.4:31781 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23600 pid:31781 ppid:14672 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
__writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2639
try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2687
ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:3029
ext4_da_write_begin+0x170/0xb50 fs/ext4/inode.c:3056
generic_perform_write+0x256/0x570 mm/filemap.c:3772
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
ext4_file_write_iter+0x8bf/0x1710 fs/ext4/file.c:700
__kernel_write_iter+0x262/0x730 fs/read_write.c:517
dump_emit_page fs/coredump.c:864 [inline]
dump_user_range+0x234/0x700 fs/coredump.c:915
elf_core_dump+0x2718/0x3590 fs/binfmt_elf.c:2137
do_coredump+0x2764/0x3c50 fs/coredump.c:762
get_signal+0x1c03/0x2450 kernel/signal.c:2845
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000388 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb4b61ac050 RCX: 00007fb4b608c0c9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000080
RBP: 00007fb4b60e7ae9 R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffd1d0069f R14: 00007fb4b6d05300 R15: 0000000000022000
INFO: task syz-executor.4:31929 blocked for more than 144 seconds.
Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23528 pid:31929 ppid:14672 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
__writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2639
try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2687
ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:3029
ext4_da_write_begin+0x170/0xb50 fs/ext4/inode.c:3056
generic_perform_write+0x256/0x570 mm/filemap.c:3772
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
ext4_file_write_iter+0x8bf/0x1710 fs/ext4/file.c:700
__kernel_write_iter+0x262/0x730 fs/read_write.c:517
dump_emit_page fs/coredump.c:864 [inline]
dump_user_range+0x234/0x700 fs/coredump.c:915
elf_core_dump+0x2718/0x3590 fs/binfmt_elf.c:2137
do_coredump+0x2764/0x3c50 fs/coredump.c:762
get_signal+0x1c03/0x2450 kernel/signal.c:2845
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000388 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb4b61abf80 RCX: 00007fb4b608c0c9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000080
RBP: 00007fb4b60e7ae9 R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffd1d0069f R14: 00007fb4b6d26300 R15: 0000000000022000
INFO: task syz-executor.4:32062 blocked for more than 145 seconds.
Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23360 pid:32062 ppid:14672 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
__writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2639
try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2687
ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:3029
ext4_da_write_begin+0x170/0xb50 fs/ext4/inode.c:3056
generic_perform_write+0x256/0x570 mm/filemap.c:3772
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
ext4_file_write_iter+0x8bf/0x1710 fs/ext4/file.c:700
__kernel_write_iter+0x262/0x730 fs/read_write.c:517
dump_emit_page fs/coredump.c:864 [inline]
dump_user_range+0x234/0x700 fs/coredump.c:915
elf_core_dump+0x2718/0x3590 fs/binfmt_elf.c:2137
do_coredump+0x2764/0x3c50 fs/coredump.c:762
get_signal+0x1c03/0x2450 kernel/signal.c:2845
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000388 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb4b61ac050 RCX: 00007fb4b608c0c9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000080
RBP: 00007fb4b60e7ae9 R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffd1d0069f R14: 00007fb4b6d05300 R15: 0000000000022000
INFO: task syz-executor.4:32123 blocked for more than 146 seconds.
Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23448 pid:32123 ppid:14672 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
__writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2639
try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2687
ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:3029
ext4_da_write_begin+0x170/0xb50 fs/ext4/inode.c:3056
generic_perform_write+0x256/0x570 mm/filemap.c:3772
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
ext4_file_write_iter+0x8bf/0x1710 fs/ext4/file.c:700
__kernel_write_iter+0x262/0x730 fs/read_write.c:517
dump_emit_page fs/coredump.c:864 [inline]
dump_user_range+0x234/0x700 fs/coredump.c:915
elf_core_dump+0x2718/0x3590 fs/binfmt_elf.c:2137
do_coredump+0x2764/0x3c50 fs/coredump.c:762
get_signal+0x1c03/0x2450 kernel/signal.c:2845
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000388 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb4b61ac050 RCX: 00007fb4b608c0c9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000080
RBP: 00007fb4b60e7ae9 R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffd1d0069f R14: 00007fb4b6d05300 R15: 0000000000022000
INFO: task syz-executor.4:32154 blocked for more than 148 seconds.
Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23688 pid:32154 ppid:14672 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
__writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2639
try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2687
ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:3029
ext4_da_write_begin+0x170/0xb50 fs/ext4/inode.c:3056
generic_perform_write+0x256/0x570 mm/filemap.c:3772
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
ext4_file_write_iter+0x8bf/0x1710 fs/ext4/file.c:700
__kernel_write_iter+0x262/0x730 fs/read_write.c:517
dump_emit_page fs/coredump.c:864 [inline]
dump_user_range+0x234/0x700 fs/coredump.c:915
elf_core_dump+0x2718/0x3590 fs/binfmt_elf.c:2137
do_coredump+0x2764/0x3c50 fs/coredump.c:762
get_signal+0x1c03/0x2450 kernel/signal.c:2845
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000388 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb4b61ac050 RCX: 00007fb4b608c0c9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000080
RBP: 00007fb4b60e7ae9 R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffd1d0069f R14: 00007fb4b6d05300 R15: 0000000000022000
INFO: task syz-executor.4:32302 blocked for more than 150 seconds.
Not tainted 6.2.0-rc3-syzkaller-00008-g1fe4fd6f5cad #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:24904 pid:32302 ppid:14672 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0xb8a/0x5450 kernel/sched/core.c:6555
schedule+0xde/0x1b0 kernel/sched/core.c:6631
wb_wait_for_completion+0x182/0x240 fs/fs-writeback.c:192
__writeback_inodes_sb_nr+0x1d7/0x280 fs/fs-writeback.c:2639
try_to_writeback_inodes_sb+0x98/0xc0 fs/fs-writeback.c:2687
ext4_nonda_switch+0x1aa/0x1f0 fs/ext4/inode.c:3029
ext4_da_write_begin+0x170/0xb50 fs/ext4/inode.c:3056
generic_perform_write+0x256/0x570 mm/filemap.c:3772
ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:285
ext4_file_write_iter+0x8bf/0x1710 fs/ext4/file.c:700
__kernel_write_iter+0x262/0x730 fs/read_write.c:517
dump_emit_page fs/coredump.c:864 [inline]
dump_user_range+0x234/0x700 fs/coredump.c:915
elf_core_dump+0x2718/0x3590 fs/binfmt_elf.c:2137
do_coredump+0x2764/0x3c50 fs/coredump.c:762
get_signal+0x1c03/0x2450 kernel/signal.c:2845
arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1578
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x0
RSP: 002b:0000000020000388 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb4b61abf80 RCX: 00007fb4b608c0c9
RDX: 00000000200003c0 RSI: 0000000020000380 RDI: 0000000000000080
RBP: 00007fb4b60e7ae9 R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fffd1d0069f R14: 00007fb4b6d26300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c790f30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8c790c30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
#0: ffffffff8c791a80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
4 locks held by kworker/u4:5/75:
#0: ffff88814b20a138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814b20a138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814b20a138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814b20a138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88814b20a138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88814b20a138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90001587da8 ((work_completion)(&ei->i_rsv_conversion_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88802909e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#3: ffff88803d04e6d8 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
2 locks held by getty/4738:
#0: ffff888027d8e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by kworker/u4:8/5953:
#0: ffff8881451dd138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8881451dd138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8881451dd138 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff8881451dd138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff8881451dd138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff8881451dd138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc900052dfda8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
1 lock held by syz-executor.2/31303:
#0: ffff88805a666850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xd1/0x6f0 fs/readdir.c:55
3 locks held by syz-executor.4/31688:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88803b15f258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88803b15f258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802909a0e0 (&type->s_umount_key#31){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2684
3 locks held by syz-executor.4/31781:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88805d4cf258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88805d4cf258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802909a0e0 (&type->s_umount_key#31){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2684
3 locks held by syz-executor.4/31929:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888088894a38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888088894a38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802909a0e0 (&type->s_umount_key#31){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2684
3 locks held by syz-executor.4/32062:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88803ef28400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88803ef28400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802909a0e0 (&type->s_umount_key#31){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2684
3 locks held by syz-executor.4/32123:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88805a660400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88805a660400 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802909a0e0 (&type->s_umount_key#31){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2684
3 locks held by syz-executor.4/32154:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88803b161810 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88803b161810 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802909a0e0 (&type->s_umount_key#31){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2684
3 locks held by syz-executor.4/32302:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88803b2cca38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88803b2cca38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802909a0e0 (&type->s_umount_key#31){++++}-{3:3}, at: try_to_writeback_inodes_sb+0x21/0xc0 fs/fs-writeback.c:2684
4 locks held by syz-executor.1/1326:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: do_unlinkat+0x183/0x640 fs/namei.c:4299
#1: ffff88805a667258 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#1: ffff88805a667258 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x270/0x640 fs/namei.c:4303
#2: ffff88803b167258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff88803b167258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_unlink+0xd9/0x930 fs/namei.c:4241
#3: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
3 locks held by syz-executor.3/1489:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: do_unlinkat+0x183/0x640 fs/namei.c:4299
#1: ffff88803ce68e08 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#1: ffff88803ce68e08 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x270/0x640 fs/namei.c:4303
#2: ffff88803b365440 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff88803b365440 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_unlink+0xd9/0x930 fs/namei.c:4241
4 locks held by syz-executor.0/4624:
#0: ffff88802909a460 (sb_writers#4){.+.+}-{0:0}, at: do_unlinkat+0x183/0x640 fs/namei.c:4299
#1: ffff88806d598400 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#1: ffff88806d598400 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x270/0x640 fs/namei.c:4303
#2: ffff88803b0ff258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff88803b0ff258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_unlink+0xd9/0x930 fs/namei.c:4241
#3: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7034:
#0: ffff88802909a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.3/7042:
#0: ffff88802909a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.1/7044:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.0/7077:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7088:
#0: ffff88802909a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7204:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.1/7209:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.3/7347:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7367:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7384:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.0/7415:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.0/7481:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7488:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.0/7496:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7500:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7646:
#0: ffff88802909a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7692:
#0: ffff88802909a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.0/7720:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7726:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.5/7727:
#0: ffff88802909a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.5/7748:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.1/7751:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/7767:
2 locks held by syz-executor.1/7771:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
2 locks held by syz-executor.2/9276:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802909e3f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x238/0x460 fs/jbd2/checkpoint.c:110
1 lock held by syz-executor.4/9278:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
3 locks held by syz-executor.0/9280:
1 lock held by syz-executor.3/9286:
#0: ffff88802909cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581