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INFO: task hung in deactivate_super

Status: auto-closed as invalid on 2019/10/25 08:42
Reported-by: syzbot+d64d68af54f8c3ca4d80@syzkaller.appspotmail.com
First crash: 1830d, last: 1830d
▶ ▼ Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in deactivate_super 3 2120d 2138d 0/3 auto-closed as invalid on 2019/02/22 12:34
linux-6.1 INFO: task hung in deactivate_super 4 258d 308d 0/3 auto-obsoleted due to no activity on 2023/11/26 12:17
upstream INFO: task hung in deactivate_super exfat 36 1942d 2045d 0/26 closed as dup on 2018/10/27 13:17
upstream INFO: task hung in deactivate_super (2) reiserfs C inconclusive done 121 61d 400d 26/26 fixed on 2024/04/08 19:23
linux-5.15 INFO: task hung in deactivate_super 4 255d 344d 0/3 auto-obsoleted due to no activity on 2023/11/29 20:11
linux-6.1 INFO: task hung in deactivate_super (2) 1 79d 79d 0/3 upstream: reported on 2024/02/14 05:27
linux-4.19 INFO: task hung in deactivate_super 4 432d 534d 0/1 upstream: reported on 2022/11/16 10:48

Sample crash report:
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
8021q: adding VLAN 0 to HW filter on device batadv0
INFO: task syz-executor.4:14359 blocked for more than 140 seconds.
      Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4  D25168 14359      1 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2807 [inline]
 __schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
 schedule+0x92/0x1c0 kernel/sched/core.c:3427
 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline]
 rwsem_down_write_failed+0x5cd/0xbe0 kernel/locking/rwsem-xadd.c:601
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:105
 __down_write arch/x86/include/asm/rwsem.h:126 [inline]
 down_write+0x53/0x90 kernel/locking/rwsem.c:56
 deactivate_super fs/super.c:349 [inline]
 deactivate_super+0x7d/0xa0 fs/super.c:346
 cleanup_mnt+0xb2/0x150 fs/namespace.c:1183
 __cleanup_mnt+0x16/0x20 fs/namespace.c:1190
 task_work_run+0x119/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x4a9/0x630 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b7f7
RSP: 002b:00007ffc1ba07f28 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045b7f7
RDX: 00000000004032d0 RSI: 0000000000000002 RDI: 00007ffc1ba07fd0
RBP: 000000000000006f R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000005 R11: 0000000000000206 R12: 00007ffc1ba09060
R13: 0000000001bdb940 R14: 0000000000000000 R15: 00007ffc1ba09060
INFO: task syz-executor.3:17499 blocked for more than 140 seconds.
      Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3  D29056 17499  15814 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2807 [inline]
 __schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
 schedule+0x92/0x1c0 kernel/sched/core.c:3427
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:276 [inline]
 rwsem_down_read_failed+0x1f4/0x380 kernel/locking/rwsem-xadd.c:293
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:66 [inline]
 down_read+0x49/0xb0 kernel/locking/rwsem.c:26
 iterate_supers+0xe1/0x250 fs/super.c:611
 sys_sync+0x9a/0x130 fs/sync.c:115
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x20000450
RSP: 002b:00007fb232313bd8 EFLAGS: 00000a83 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000020000450
RDX: 3c4f202a88cb5238 RSI: 0000000000000000 RDI: 00007fb232314bf2
RBP: 0000000000000049 R08: 0000000000000005 R09: 0000000000000006
R10: 0000000000000007 R11: 0000000000000a83 R12: 000000000000000b
R13: 000000000000000c R14: 000000000000000d R15: 00000000ffffffff
INFO: task syz-executor.3:26538 blocked for more than 140 seconds.
      Not tainted 4.14.114 #4
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3  D29280 26538  16846 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2807 [inline]
 __schedule+0x7be/0x1cf0 kernel/sched/core.c:3383
 schedule+0x92/0x1c0 kernel/sched/core.c:3427
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:276 [inline]
 rwsem_down_read_failed+0x1f4/0x380 kernel/locking/rwsem-xadd.c:293
 call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:66 [inline]
 down_read+0x49/0xb0 kernel/locking/rwsem.c:26
 iterate_supers+0xe1/0x250 fs/super.c:611
 sys_sync+0x9a/0x130 fs/sync.c:115
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x20000450
RSP: 002b:00007fb232313bd8 EFLAGS: 00000a83 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000020000450
RDX: 3c4f202a88cb5238 RSI: 0000000000000000 RDI: 00007fb232314c56
RBP: 0000000000000049 R08: 0000000000000005 R09: 0000000000000006
R10: 0000000000000007 R11: 0000000000000a83 R12: 000000000000000b
R13: 000000000000000c R14: 000000000000000d R15: 00000000ffffffff

Showing all locks held in the system:
1 lock held by khungtaskd/1008:
 #0:  (tasklist_lock){.+.+}, at: [<ffffffff81487148>] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4541
2 locks held by getty/7024:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7025:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7026:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7027:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7028:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7029:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
2 locks held by getty/7030:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861af743>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8310d3c6>] n_tty_read+0x1e6/0x17b0 drivers/tty/n_tty.c:2156
1 lock held by syz-executor.0/7068:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>] deactivate_super fs/super.c:349 [inline]
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>] deactivate_super+0x7d/0xa0 fs/super.c:346
1 lock held by syz-executor.4/14359:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>] deactivate_super fs/super.c:349 [inline]
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818df1ad>] deactivate_super+0x7d/0xa0 fs/super.c:346
1 lock held by syz-executor.3/14520:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14521:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14522:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14526:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14528:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14532:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14534:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14538:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14540:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14541:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14542:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14544:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14545:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14546:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14548:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14549:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14552:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14554:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14557:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14558:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14559:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14562:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14565:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14566:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14567:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14568:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14571:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14572:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14573:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14574:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14575:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14576:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14579:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14582:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14583:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14585:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14587:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14591:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14593:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14594:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14595:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14596:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14597:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14599:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14600:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14601:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14602:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14604:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14605:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14606:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14607:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14608:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14609:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14613:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14614:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14615:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14617:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14618:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14621:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14622:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14624:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14625:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14627:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14629:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14630:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14631:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14632:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14633:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14634:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14635:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14636:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14637:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14639:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14641:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14646:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14647:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14648:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14649:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14650:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14651:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14652:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14653:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14654:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&rq->lock){-.-.}, at: [<ffffffff8619d74a>] rq_lock kernel/sched/sched.h:1745 [inline]
 #2:  (&rq->lock){-.-.}, at: [<ffffffff8619d74a>] __schedule+0x1da/0x1cf0 kernel/sched/core.c:3320
1 lock held by syz-executor.3/14657:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14658:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14660:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14662:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14664:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14665:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14668:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14669:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14670:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14671:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14672:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14674:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14675:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14676:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14678:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14679:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14685:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14686:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14687:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14691:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14692:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14693:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14694:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14695:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14696:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14697:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14698:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14703:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14704:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14706:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14708:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14709:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14710:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14711:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14712:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14713:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14714:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14715:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14716:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14717:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14718:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14719:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14721:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14722:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14725:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14726:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14727:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14730:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14731:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14732:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14734:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14733:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14735:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14737:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14738:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14739:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14740:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14742:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14743:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14744:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14745:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14746:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14747:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14748:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14749:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14750:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14752:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14753:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14754:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14755:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14756:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14757:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14758:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14760:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14761:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14764:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14766:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14767:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14768:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14769:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14772:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14773:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14774:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14775:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14776:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14777:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14780:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14782:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14783:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14785:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14787:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14788:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/14790:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14793:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14794:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14795:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14799:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14801:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14802:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14803:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14804:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14805:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14806:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14809:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14811:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14814:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14816:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14817:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14819:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14823:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14827:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14828:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14829:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14830:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14831:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14832:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14833:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14836:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14837:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14838:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14840:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14843:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14844:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14845:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14846:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14849:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14850:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14851:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14852:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14856:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14857:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14858:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14859:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14860:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14862:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14863:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14865:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14867:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14873:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14876:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14877:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14880:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14881:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14882:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14883:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14884:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14886:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14888:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14889:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14895:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14896:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14897:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14898:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14899:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14900:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14901:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14902:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14903:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14904:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14906:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14908:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14913:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14914:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14915:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14916:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
2 locks held by syz-executor.3/14918:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14926:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14928:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14930:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14932:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14933:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14934:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14935:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14937:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14939:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14942:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14943:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14944:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14946:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14947:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14949:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14950:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14951:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14952:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14953:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14955:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14958:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14962:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14963:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14964:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14966:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14967:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14968:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14969:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14970:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14971:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14973:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14975:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14978:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14979:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14981:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/14983:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/14984:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14986:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14987:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/14989:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/14990:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/14992:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14996:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14997:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14998:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/14999:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15001:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15002:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15003:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15004:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15009:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15010:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
2 locks held by syz-executor.3/15011:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15014:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15015:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15017:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15018:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15020:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/15022:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15024:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15028:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15031:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15033:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15034:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15035:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15036:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15037:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15038:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15039:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15040:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15041:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15042:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15048:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15051:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15052:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15053:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15054:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15055:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15056:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15058:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15059:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15062:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15063:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15065:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15067:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15068:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15069:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15070:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15075:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15077:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15078:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15079:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15081:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15082:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15085:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15090:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15091:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15092:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15093:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15094:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/15095:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15096:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15098:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15100:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15103:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15104:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15105:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15106:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15108:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15109:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15110:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15112:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15114:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15115:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15117:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15120:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15121:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15122:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15123:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15127:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15128:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15129:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15132:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15135:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15138:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15139:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15141:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15142:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15143:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15144:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15145:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15148:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15149:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15151:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15153:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15155:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15156:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15157:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15158:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15160:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15161:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15162:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15163:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15164:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15165:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15166:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15167:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15168:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15169:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15171:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15172:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15177:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15178:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15179:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15180:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15181:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15182:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15183:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15184:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15185:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15186:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15187:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15188:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15189:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15190:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15196:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15197:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15198:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15200:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15203:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15205:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15208:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15209:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15214:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15217:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15218:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15220:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15221:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15222:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15223:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15225:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15226:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15227:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15228:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15230:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15231:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15232:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15233:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
3 locks held by syz-executor.3/15234:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15239:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15240:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15241:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15242:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15244:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15245:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15246:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15247:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15248:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15249:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15250:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15252:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15253:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15256:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15257:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15261:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15262:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15266:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15268:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15269:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15273:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15275:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15276:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15278:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15281:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15282:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15283:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15285:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15291:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15292:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15293:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15295:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15296:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15298:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15299:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15300:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15302:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15303:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15304:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15306:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15310:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15311:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15312:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15314:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15315:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15316:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15317:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15320:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15322:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15323:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
3 locks held by syz-executor.3/15327:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15328:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15329:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15332:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15337:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15339:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15340:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15341:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15342:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15345:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15346:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15349:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15350:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15351:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15352:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15355:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15356:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15357:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15358:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15359:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
2 locks held by syz-executor.3/15362:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
1 lock held by syz-executor.3/15366:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15370:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15371:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
3 locks held by syz-executor.3/15374:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
 #1:  (&type->s_umount_key#45){++++}, at: [<ffffffff821a3179>] ovl_sync_fs+0xa9/0xf0 fs/overlayfs/super.c:258
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:336 [inline]
 #2:  (&bdi->wb_switch_rwsem){+.+.}, at: [<ffffffff81976cb0>] sync_inodes_sb+0x150/0x9b0 fs/fs-writeback.c:2445
1 lock held by syz-executor.3/15375:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15378:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15382:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15387:
 #0:  (&type->s_umount_key#61){++++}, at: [<ffffffff818e13b1>] iterate_supers+0xe1/0x250 fs/super.c:611
1 lock held by syz-executor.3/15389:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/04/29 11:40 linux-4.14.y fa5941f45d7e b617407b .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.