INFO: task jbd2/sda1-8:3303 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5-next-20180928+ #84
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/sda1-8     D18248  3303      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2830 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3479
 schedule+0xfe/0x460 kernel/sched/core.c:3523
 jbd2_journal_commit_transaction+0xd38/0x89da fs/jbd2/commit.c:435
 kjournald2+0x26d/0xb30 fs/jbd2/journal.c:229
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
INFO: task kworker/u4:6:9763 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5-next-20180928+ #84
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:6    D13768  9763      2 0x80000000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
 context_switch kernel/sched/core.c:2830 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3479
 schedule+0xfe/0x460 kernel/sched/core.c:3523
 __rwsem_down_write_failed_common+0xbbc/0x15e0 kernel/locking/rwsem-xadd.c:577
 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:606
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117
 __down_write arch/x86/include/asm/rwsem.h:142 [inline]
 down_write+0xa5/0x130 kernel/locking/rwsem.c:72
 ext4_map_blocks+0x88f/0x1b50 fs/ext4/inode.c:629
 mpage_map_one_extent fs/ext4/inode.c:2450 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2503 [inline]
 ext4_writepages+0x260e/0x4100 fs/ext4/inode.c:2854
 do_writepages+0x9a/0x1a0 mm/page-writeback.c:2340
 __writeback_single_inode+0x205/0x1610 fs/fs-writeback.c:1323
 writeback_sb_inodes+0x71f/0x11d0 fs/fs-writeback.c:1587
 __writeback_inodes_wb+0x1b9/0x340 fs/fs-writeback.c:1656
 wb_writeback+0xa64/0xfb0 fs/fs-writeback.c:1765
 wb_check_start_all fs/fs-writeback.c:1889 [inline]
 wb_do_writeback fs/fs-writeback.c:1915 [inline]
 wb_workfn+0xedf/0x1780 fs/fs-writeback.c:1949
 process_one_work+0xc8b/0x1b80 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
INFO: task syz-executor0:26596 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5-next-20180928+ #84
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D23544 26596  12374 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2830 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3479
 schedule+0xfe/0x460 kernel/sched/core.c:3523
 __rwsem_down_write_failed_common+0xbbc/0x15e0 kernel/locking/rwsem-xadd.c:577
 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:606
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117
 __down_write arch/x86/include/asm/rwsem.h:142 [inline]
 down_write+0xa5/0x130 kernel/locking/rwsem.c:72
 inode_lock include/linux/fs.h:745 [inline]
 process_measurement+0x190f/0x1bf0 security/integrity/ima/ima_main.c:205
 ima_file_check+0xe5/0x130 security/integrity/ima/ima_main.c:391
 do_last fs/namei.c:3422 [inline]
 path_openat+0x134a/0x5160 fs/namei.c:3534
 do_filp_open+0x255/0x380 fs/namei.c:3564
 do_sys_open+0x568/0x700 fs/open.c:1063
 __do_sys_openat fs/open.c:1090 [inline]
 __se_sys_openat fs/open.c:1084 [inline]
 __x64_sys_openat+0x9d/0x100 fs/open.c:1084
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: Bad RIP value.
RSP: 002b:00007f2b36fd4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457579
RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b36fd56d4
R13: 00000000004c2b26 R14: 00000000004d4140 R15: 00000000ffffffff
INFO: task syz-executor0:26628 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5-next-20180928+ #84
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D23560 26628  12374 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2830 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3479
 schedule+0xfe/0x460 kernel/sched/core.c:3523
 __rwsem_down_write_failed_common+0xbbc/0x15e0 kernel/locking/rwsem-xadd.c:577
 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:606
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117
 __down_write arch/x86/include/asm/rwsem.h:142 [inline]
 down_write+0xa5/0x130 kernel/locking/rwsem.c:72
 inode_lock include/linux/fs.h:745 [inline]
 process_measurement+0xc3e/0x1bf0 security/integrity/ima/ima_main.c:205
 ima_file_check+0xe5/0x130 security/integrity/ima/ima_main.c:391
 do_last fs/namei.c:3422 [inline]
 path_openat+0x134a/0x5160 fs/namei.c:3534
 do_filp_open+0x255/0x380 fs/namei.c:3564
 do_sys_open+0x568/0x700 fs/open.c:1063
 ksys_open include/linux/syscalls.h:1292 [inline]
 __do_sys_creat fs/open.c:1121 [inline]
 __se_sys_creat fs/open.c:1119 [inline]
 __x64_sys_creat+0x61/0x80 fs/open.c:1119
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: Bad RIP value.
RSP: 002b:00007f2b36fb3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b36fb46d4
R13: 00000000004bdb43 R14: 00000000004cc688 R15: 00000000ffffffff
INFO: task syz-executor0:26629 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5-next-20180928+ #84
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D24336 26629  12374 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2830 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3479
 schedule+0xfe/0x460 kernel/sched/core.c:3523
 __rwsem_down_write_failed_common+0xbbc/0x15e0 kernel/locking/rwsem-xadd.c:577
 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:606
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117
 __down_write arch/x86/include/asm/rwsem.h:142 [inline]
 down_write+0xa5/0x130 kernel/locking/rwsem.c:72
 inode_lock include/linux/fs.h:745 [inline]
 ext4_fallocate+0x917/0x22e0 fs/ext4/extents.c:4957
 vfs_fallocate+0x4b4/0x940 fs/open.c:308
 ksys_fallocate+0x56/0x90 fs/open.c:331
 __do_sys_fallocate fs/open.c:339 [inline]
 __se_sys_fallocate fs/open.c:337 [inline]
 __x64_sys_fallocate+0x97/0xf0 fs/open.c:337
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: Bad RIP value.
RSP: 002b:00007f2b36f92c78 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 00007f2b36f936d4
R13: 00000000004bdc1c R14: 00000000004cc868 R15: 00000000ffffffff
INFO: task syz-executor0:26630 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5-next-20180928+ #84
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D22080 26630  12374 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2830 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3479
 schedule+0xfe/0x460 kernel/sched/core.c:3523
 io_schedule+0x1c/0x70 kernel/sched/core.c:5144
 wait_on_page_bit_common+0x733/0x1360 mm/filemap.c:1109
 __lock_page+0x112/0x170 mm/filemap.c:1288
 lock_page include/linux/pagemap.h:483 [inline]
 mpage_prepare_extent_to_map+0xfa4/0x19c0 fs/ext4/inode.c:2654
 ext4_writepages+0x1575/0x4100 fs/ext4/inode.c:2807
 do_writepages+0x9a/0x1a0 mm/page-writeback.c:2340
 __filemap_fdatawrite_range+0x364/0x4a0 mm/filemap.c:447
 __filemap_fdatawrite mm/filemap.c:455 [inline]
 filemap_flush+0x23/0x30 mm/filemap.c:480
 swap_inode_boot_loader fs/ext4/ioctl.c:116 [inline]
 ext4_ioctl+0x1df3/0x4210 fs/ext4/ioctl.c:865
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2b36f71c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
RBP: 000000000072c180 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b36f726d4
R13: 00000000004bf626 R14: 00000000004cf4c0 R15: 00000000ffffffff
INFO: task syz-executor0:26633 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5-next-20180928+ #84
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D25440 26633  12374 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2830 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3479
 schedule+0xfe/0x460 kernel/sched/core.c:3523
 __rwsem_down_write_failed_common+0xbbc/0x15e0 kernel/locking/rwsem-xadd.c:577
 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:606
 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117
 __down_write arch/x86/include/asm/rwsem.h:142 [inline]
 down_write+0xa5/0x130 kernel/locking/rwsem.c:72
 inode_lock include/linux/fs.h:745 [inline]
 ext4_fallocate+0x917/0x22e0 fs/ext4/extents.c:4957
 vfs_fallocate+0x4b4/0x940 fs/open.c:308
 ksys_fallocate+0x56/0x90 fs/open.c:331
 __do_sys_fallocate fs/open.c:339 [inline]
 __se_sys_fallocate fs/open.c:337 [inline]
 __x64_sys_fallocate+0x97/0xf0 fs/open.c:337
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: Bad RIP value.
RSP: 002b:00007f2b36f2fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000072c2c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010001 R11: 0000000000000246 R12: 00007f2b36f306d4
R13: 00000000004bdc1c R14: 00000000004cc868 R15: 00000000ffffffff
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 980 Comm: khungtaskd Not tainted 4.19.0-rc5-next-20180928+ #84
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d3/0x2c4 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.4+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1c2/0x22c lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline]
 watchdog+0xb39/0x1050 kernel/hung_task.c:265
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0:
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.608 msecs
NMI backtrace for cpu 0
CPU: 0 PID: 26584 Comm: syz-executor0 Not tainted 4.19.0-rc5-next-20180928+ #84
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1/0x20 kernel/kcov.c:194
Code: ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 48 8b 4d 08 e8 6a fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 <48> 89 f2 48 89 fe bf 07 00 00 00 48 89 e5 48 8b 4d 08 e8 48 fe ff
RSP: 0018:ffff8801dae07cc8 EFLAGS: 00000046
RAX: 0000000000ab5e20 RBX: 0000000000000000 RCX: 000000000dcbd138
RDX: 000000000000000a RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8801dae07dd8 R08: ffffffff8a2e9018 R09: 000000000000000a
R10: fffffbfff145d201 R11: 0000000000000001 R12: dffffc0000000000
R13: 000000000001f23e R14: ffff8801dae07db0 R15: 0000000000ab5e20
FS:  00007f2b36ff6700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000008c6118 CR3: 00000001c38cd000 CR4: 00000000001426f0
Call Trace:
 <IRQ>
 hrtimer_update_base kernel/time/hrtimer.c:587 [inline]
 hrtimer_interrupt+0x3a9/0x780 kernel/time/hrtimer.c:1550
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
 smp_apic_timer_interrupt+0x1a1/0x750 arch/x86/kernel/apic/apic.c:1059
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804
 </IRQ>
RIP: 0010:ext4_find_extent+0xd4/0x9b0 fs/ext4/extents.c:880
Code: 48 89 45 c8 e8 fd 0b 6c ff 66 83 fb 05 0f 87 f7 06 00 00 e8 fe 0a 6c ff 4c 8b 7d c8 4d 85 ff 0f 84 43 06 00 00 e8 ec 0a 6c ff <4c> 89 ff e8 44 f7 ff ff 49 8d 7f 0a 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffff880181787150 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000248d000
RDX: 0000000000040000 RSI: ffffffff82115d64 RDI: 0000000000000003
RBP: ffff8801817871b0 R08: ffff8801bb802200 R09: 00000000d2a0588b
R10: 00000000a13edc81 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000b36771be R14: ffff88017dbbd0c0 R15: ffff8801d4e7a080
 get_ext_path fs/ext4/move_extent.c:31 [inline]
 mext_check_coverage.constprop.13+0x2b0/0x510 fs/ext4/move_extent.c:98
 move_extent_per_page fs/ext4/move_extent.c:323 [inline]
 ext4_move_extents+0x2784/0x3c20 fs/ext4/move_extent.c:669
 ext4_ioctl+0x314f/0x4210 fs/ext4/ioctl.c:799
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2b36ff5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579
RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b36ff66d4
R13: 00000000004bf5dd R14: 00000000004cf460 R15: 00000000ffffffff