kauditd_printk_skb: 10 callbacks suppressed
audit: type=1400 audit(1538748104.838:36): avc:  denied  { map } for  pid=5911 comm="syz-executor588" path="/root/syz-executor588614338" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
INFO: task jbd2/sda1-8:3078 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc6+ #47
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/sda1-8     D18256  3078      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 jbd2_journal_commit_transaction+0xd42/0x89f8 fs/jbd2/commit.c:435
 kjournald2+0x26d/0xb30 fs/jbd2/journal.c:229
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 981 Comm: khungtaskd Not tainted 4.19.0-rc6+ #47
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+0x1c4/0x2b4 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed 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+0xb3e/0x1050 kernel/hung_task.c:265
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Sending NMI from CPU 0 to CPUs 1:
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.099 msecs
NMI backtrace for cpu 1
CPU: 1 PID: 5912 Comm: syz-executor588 Not tainted 4.19.0-rc6+ #47
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:94
Code: 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 3c 38 83 7e 81 e2 00 01 1f 00
RSP: 0018:ffff8801c3ecebb0 EFLAGS: 00000086
RAX: ffff8801c3052380 RBX: ffffffff881588e0 RCX: ffffffff8184c4d5
RDX: 0000000000000000 RSI: ffffffff881588e0 RDI: ffffffff88409180
RBP: ffff8801c3ecebb0 R08: ffff8801c3052380 R09: 0000000040000000
R10: ffffed0036fdf060 R11: ffff8801b7ef8303 R12: 0000000000000000
R13: ffffffff88409180 R14: ffffffff881588e0 R15: 0000000000008401
FS:  00007f8c9a756700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000001cb7e4000 CR4: 00000000001406e0
Call Trace:
 check_preemption_disabled+0x1c/0x200 lib/smp_processor_id.c:13
 __this_cpu_preempt_check+0x1c/0x1f lib/smp_processor_id.c:62
 lookup_bh_lru fs/buffer.c:1261 [inline]
 __find_get_block+0x183/0xf20 fs/buffer.c:1290
 __getblk_gfp+0xf4/0xd50 fs/buffer.c:1316
 sb_getblk_gfp include/linux/buffer_head.h:332 [inline]
 __read_extent_tree_block+0x11d/0xab0 fs/ext4/extents.c:509
 ext4_find_extent+0x38a/0x9b0 fs/ext4/extents.c:908
 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+0x3154/0x4210 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: 0033:0x445899
Code: e8 ac b7 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 2b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8c9a755da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 0000000000445899
RDX: 0000000020000300 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c
R13: 732e79726f6d656d R14: 00007f8c9a7569c0 R15: 00000000006dad2c