------------[ cut here ]------------
WARNING: CPU: 1 PID: 25696 at fs/ext4/inode.c:3859 ext4_set_page_dirty+0xca/0x170 fs/ext4/inode.c:3859
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 25696 Comm: syz-executor.3 Not tainted 4.14.146 #0
kobject: 'loop1' (ffff8880a49825e0): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x197 lib/dump_stack.c:53
 panic+0x1f2/0x426 kernel/panic.c:182
kobject: 'loop1' (ffff8880a49825e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
 __warn.cold+0x2f/0x36 kernel/panic.c:546
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963
kobject: 'loop2' (ffff8880a49ecee0): kobject_uevent_env
RIP: 0010:ext4_set_page_dirty+0xca/0x170 fs/ext4/inode.c:3859
RSP: 0018:ffff88805e39f920 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffffea00021773c0 RCX: ffffc9000da73000
RDX: 00000000000334fd RSI: ffffffff81c1703a RDI: ffffea00021773c0
RBP: ffff88805e39f940 R08: ffff88805e4380c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea00021773c0
R13: ffffea00023576e0 R14: ffffea00023576e0 R15: ffffea00023576e0
audit: type=1804 audit(1569346315.638:95): pid=25714 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir116268895/syzkaller.gbSkcy/28/bus" dev="sda1" ino=17233 res=1
 set_page_dirty+0x188/0x320 mm/page-writeback.c:2589
 rds_rdma_free_op+0x147/0x3b0 net/rds/rdma.c:464
 rds_message_purge net/rds/message.c:74 [inline]
 rds_message_put net/rds/message.c:91 [inline]
 rds_message_put+0x3f7/0x470 net/rds/message.c:84
 rds_sendmsg+0xed5/0x1db0 net/rds/send.c:1212
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
kobject: 'loop2' (ffff8880a49ecee0): fill_kobj_path: path = '/devices/virtual/block/loop2'
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
audit: type=1804 audit(1569346315.658:96): pid=25718 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir116268895/syzkaller.gbSkcy/28/bus" dev="sda1" ino=17233 res=1
kobject: 'loop1' (ffff8880a49825e0): kobject_uevent_env
 __sys_sendmsg+0xb9/0x140 net/socket.c:2096
kobject: 'loop1' (ffff8880a49825e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2103
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459a29
RSP: 002b:00007fe3f2331c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29
RDX: 0000000000000000 RSI: 0000000020001380 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe3f23326d4
R13: 00000000004c798e R14: 00000000004dd378 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..