FAT-fs (loop2): Unrecognized mount option "appraise_type=imasig" or missing value
EXT4-fs (sda1): re-mounted. Opts: noblock_validity,grpid,usrquota,errors=continue,dioread_nolock,sb=0x0000000000000006,,errors=continue
WARNING: CPU: 1 PID: 9514 at fs/ext4/page-io.c:206 ext4_add_complete_io fs/ext4/page-io.c:206 [inline]
WARNING: CPU: 1 PID: 9514 at fs/ext4/page-io.c:206 ext4_put_io_end_defer+0x43c/0x560 fs/ext4/page-io.c:269
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 9514 Comm: syz-executor3 Not tainted 4.19.0-rc7-next-20181009+ #90
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x3ab lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969
RIP: 0010:ext4_add_complete_io fs/ext4/page-io.c:206 [inline]
RIP: 0010:ext4_put_io_end_defer+0x43c/0x560 fs/ext4/page-io.c:269
Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2a 01 00 00 49 83 bf e0 02 00 00 00 0f 84 d8 fd ff ff e8 a4 d0 5a ff <0f> 0b e9 cc fd ff ff e8 e8 55 9f ff e9 81 fc ff ff 48 89 b5 30 ff
RSP: 0018:ffff8801daf072a0 EFLAGS: 00010206
RAX: ffff88017f59a3c0 RBX: ffff880179626720 RCX: ffffffff82239647
RDX: 0000000000000100 RSI: ffffffff8223996c RDI: ffff8801c9402e20
RBP: ffff8801daf07390 R08: ffff88017f59a3c0 R09: ffffed002f2c4ce9
R10: ffffed002f2c4ce9 R11: ffff88017962674f R12: 1ffff1003b5e0e59
R13: ffff88017c01d370 R14: ffff8801daf07368 R15: ffff8801c9402b40
 ext4_end_bio+0x243/0x6e0 fs/ext4/page-io.c:335
 bio_endio+0x5ca/0xb60 block/bio.c:1775
 req_bio_endio block/blk-core.c:278 [inline]
 blk_update_request+0x580/0xd20 block/blk-core.c:3075
 scsi_end_request+0xde/0x860 drivers/scsi/scsi_lib.c:673
 scsi_io_completion+0x2ce/0x1ca0 drivers/scsi/scsi_lib.c:1093
 scsi_finish_command+0x579/0x970 drivers/scsi/scsi.c:248
 scsi_softirq_done+0x465/0x520 drivers/scsi/scsi_lib.c:1737
 blk_done_softirq+0x4c2/0x760 block/blk-softirq.c:37
 __do_softirq+0x30d/0xb26 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 do_IRQ+0x111/0x1c0 arch/x86/kernel/irq.c:258
 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:582
 </IRQ>
RIP: 0010:PageSwapBacked include/linux/page-flags.h:307 [inline]
RIP: 0010:PageSwapCache include/linux/page-flags.h:352 [inline]
RIP: 0010:free_swap_cache mm/swap_state.c:266 [inline]
RIP: 0010:free_pages_and_swap_cache+0x26b/0x6f0 mm/swap_state.c:294
Code: 48 89 c2 48 c1 ea 03 80 3c 1a 00 0f 85 b9 03 00 00 48 8b 00 48 c7 c7 ff ff ff ff 48 89 c6 48 89 85 50 fe ff ff e8 05 a5 c3 ff <48> 8b 85 50 fe ff ff 48 83 f8 ff 0f 84 56 02 00 00 e8 bf a3 c3 ff
RSP: 0018:ffff88018266ea78 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffdb
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff81bac63b
RDX: 02fffc0000000000 RSI: ffffffffffffffff RDI: 0000000000000007
RBP: ffff88018266ec48 R08: ffff88017f59a3c0 R09: fffff94000da8dde
R10: fffff94000da8dde R11: ffffea0006d46ef7 R12: ffffea0006e441c0
R13: ffffea0006e441c0 R14: ffffea0006e441c8 R15: ffff88018266ec20
 tlb_flush_mmu_free+0xff/0x1b0 mm/mmu_gather.c:74
 zap_pte_range mm/memory.c:1158 [inline]
 zap_pmd_range mm/memory.c:1193 [inline]
 zap_pud_range mm/memory.c:1222 [inline]
 zap_p4d_range mm/memory.c:1243 [inline]
 unmap_page_range+0x1fa6/0x2870 mm/memory.c:1264
 unmap_single_vma+0x19b/0x310 mm/memory.c:1309
 unmap_vmas+0x125/0x200 mm/memory.c:1339
 exit_mmap+0x2be/0x590 mm/mmap.c:3142
 __mmput kernel/fork.c:1045 [inline]
 mmput+0x247/0x610 kernel/fork.c:1066
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0xe6f/0x2610 kernel/exit.c:854
 do_group_exit+0x177/0x440 kernel/exit.c:970
 get_signal+0x8a8/0x1970 kernel/signal.c:2517
 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 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:00007f369296bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bfa8 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bfa8
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bfac
R13: 00007ffda69487af R14: 00007f369296c9c0 R15: 0000000000000001
Kernel Offset: disabled
Rebooting in 86400 seconds..