INFO: task syz-executor.0:18479 blocked for more than 143 seconds.
Not tainted 6.2.0-rc1-next-20221226-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24968 pid:18479 ppid:1076 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x2544/0x53f0 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
asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7facb968c0b1
RSP: 002b:0000000020000270 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007facb97abf80 RCX: 00007facb968c0a9
RDX: 0000000020000280 RSI: 0000000020000270 RDI: 0000000000000000
RBP: 00007facb96e7ae9 R08: 0000000020000300 R09: 0000000020000300
R10: 00000000200002c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc67e375f R14: 00007facba2fe300 R15: 0000000000022000
INFO: task syz-executor.0:18491 blocked for more than 145 seconds.
Not tainted 6.2.0-rc1-next-20221226-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24968 pid:18491 ppid:1076 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x2544/0x53f0 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
asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7facb968c0b1
RSP: 002b:0000000020000370 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007facb97abf80 RCX: 00007facb968c0a9
RDX: 0000000020000380 RSI: 0000000020000370 RDI: 00000000a2209000
RBP: 00007facb96e7ae9 R08: 0000000020000400 R09: 0000000020000400
R10: 00000000200003c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fffc67e375f R14: 00007facba2fe300 R15: 0000000000022000
INFO: task syz-executor.5:18501 blocked for more than 147 seconds.
Not tainted 6.2.0-rc1-next-20221226-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24968 pid:18501 ppid:18135 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x2544/0x53f0 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
asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7f719208c0b1
RSP: 002b:00000000200000f0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f71921abf80 RCX: 00007f719208c0a9
RDX: 0000000020000100 RSI: 00000000200000f0 RDI: 0000000002000000
RBP: 00007f71920e7ae9 R08: 0000000020000180 R09: 0000000020000180
R10: 0000000020000140 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffe3d94790f R14: 00007f7192e11300 R15: 0000000000022000
INFO: task syz-executor.3:18532 blocked for more than 148 seconds.
Not tainted 6.2.0-rc1-next-20221226-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24920 pid:18532 ppid:18120 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x2544/0x53f0 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:0000000020000208 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f25e65abf80 RCX: 00007f25e648c0a9
RDX: 0000000020000280 RSI: 0000000020000200 RDI: 0000000000000000
RBP: 00007f25e64e7ae9 R08: 0000000020000300 R09: 0000000020000300
R10: 00000000200002c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9aa27e8f R14: 00007f25e72c4300 R15: 0000000000022000
INFO: task syz-executor.3:18543 blocked for more than 149 seconds.
Not tainted 6.2.0-rc1-next-20221226-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:24720 pid:18543 ppid:18120 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x2544/0x53f0 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:0000000020000348 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f25e65abf80 RCX: 00007f25e648c0a9
RDX: 0000000020000380 RSI: 0000000020000340 RDI: 00000000a2209000
RBP: 00007f25e64e7ae9 R08: 0000000020000400 R09: 0000000020000400
R10: 00000000200003c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffe9aa27e8f R14: 00007f25e72c4300 R15: 0000000000022000
Showing all locks held in the system:
4 locks held by kworker/u4:0/9:
#0: ffff88814b70c138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814b70c138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814b70c138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814b70c138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88814b70c138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88814b70c138 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc900000e7da8 ((work_completion)(&ei->i_rsv_conversion_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#3: ffff8880826e8288 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c791c30 (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: ffffffff8c791930 (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/28:
#0: ffffffff8c792780 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x2c2 kernel/locking/lockdep.c:6494
2 locks held by getty/4747:
#0: ffff88814a2ff098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
5 locks held by kworker/u4:4/31832:
#0: ffff88814522d138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814522d138 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814522d138 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88814522d138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88814522d138 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88814522d138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc9000beefda8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#3: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#4: ffff888081d466d8 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
3 locks held by syz-executor.0/1076:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: do_unlinkat+0x183/0x640 fs/namei.c:4299
#1: ffff88808924d440 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
#1: ffff88808924d440 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x270/0x640 fs/namei.c:4303
#2: ffff8880412ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff8880412ef258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_unlink+0xd9/0x930 fs/namei.c:4241
3 locks held by syz-executor.5/18135:
#0: ffff8880412ed440 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xd1/0x6f0 fs/readdir.c:55
#1: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2516 [inline]
#1: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x45d/0x6f0 fs/readdir.c:70
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
1 lock held by syz-executor.2/18138:
#0: ffff8880412eac20 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xd1/0x6f0 fs/readdir.c:55
3 locks held by syz-executor.0/18479:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff8880318ba218 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff8880318ba218 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00a0e0 (&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.0/18491:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88808057a218 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88808057a218 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00a0e0 (&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.5/18501:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88807699f258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88807699f258 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00a0e0 (&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.3/18532:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888080081810 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888080081810 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00a0e0 (&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.3/18543:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888076b53628 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888076b53628 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00a0e0 (&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.0/18568:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888041038e08 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888041038e08 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#3: ffff888041038c90 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
1 lock held by syz-executor.1/18579:
#0: ffff888039a46850 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0xd1/0x6f0 fs/readdir.c:55
3 locks held by syz-executor.0/18584:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888041039810 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888041039810 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00a0e0 (&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.3/18587:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88804103b628 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88804103b628 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00a0e0 (&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.2/19110:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#2: ffff8880319ca0a0 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
2 locks held by syz-executor.5/20231:
#0: ffff88802a00a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
2 locks held by syz-executor.5/20888:
#0: ffff88802a00a650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:664
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
2 locks held by syz-executor.2/21169:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
3 locks held by syz-executor.2/22025:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#2: ffff88805168a0a0 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
3 locks held by syz-executor.2/22031:
3 locks held by syz-executor.5/22465:
3 locks held by syz-executor.2/22938:
3 locks held by syz-executor.0/22951:
3 locks held by syz-executor.1/22959:
1 lock held by syz-executor.5/22960:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
1 lock held by syz-executor.5/22963:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
1 lock held by syz-executor.1/22964:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
1 lock held by syz-executor.2/22972:
3 locks held by syz-executor.5/23393:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#2: ffff888076b52aa8 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
3 locks held by syz-executor.2/23397:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#2: ffff888076b552c8 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
3 locks held by syz-executor.0/23401:
#0: ffff88802a00cb98 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: do_writepages+0x1af/0x690 mm/page-writeback.c:2581
#1: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
#2: ffff8880800848c0 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x707/0x18d0 fs/ext4/inode.c:644
3 locks held by syz-executor.0/23428:
4 locks held by syz-executor.4/23437:
3 locks held by syz-executor.4/23519:
3 locks held by syz-executor.4/23523:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888073202c20 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888073202c20 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff8880b983b598 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 kernel/sched/core.c:537
3 locks held by syz-executor.4/23524:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88804103ca38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88804103ca38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
3 locks held by syz-executor.4/23602:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff88805676a218 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff88805676a218 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
3 locks held by syz-executor.2/23603:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888089004a38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888089004a38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
3 locks held by syz-executor.4/23608:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888073135440 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888073135440 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
3 locks held by syz-executor.1/23609:
#0: ffff88802a00a460 (sb_writers#4){.+.+}-{0:0}, at: get_signal+0x1c03/0x2450 kernel/signal.c:2845
#1: ffff888073136850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888073136850 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460 fs/ext4/file.c:279
#2: ffff88802a00e990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfb4/0x14a0 fs/jbd2/transaction.c:461
3 locks held by syz-executor.5/23612: