IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 1 PID: 4132 Comm: syz-executor4 Not tainted 4.20.0-rc7+ #378
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+0x244/0x39d lib/dump_stack.c:113
 panic+0x2ad/0x55c kernel/panic.c:188
 schedule_debug kernel/sched/core.c:3285 [inline]
 __schedule+0x21c6/0x21d0 kernel/sched/core.c:3394
 preempt_schedule_notrace+0x70/0x140 kernel/sched/core.c:3670
 ___preempt_schedule_notrace+0x16/0x31
 trace_block_unplug include/trace/events/block.h:501 [inline]
 blk_mq_flush_plug_list+0xd69/0x1230 block/blk-mq.c:1668
 blk_flush_plug_list+0x1c7/0x990 block/blk-core.c:3668
 blk_schedule_flush_plug include/linux/blkdev.h:1353 [inline]
 wakeup_flusher_threads+0x19a/0x5e0 fs/fs-writeback.c:1999
 shrink_inactive_list+0x16dc/0x1c60 mm/vmscan.c:2001
 shrink_list mm/vmscan.c:2275 [inline]
 shrink_node_memcg+0x78b/0x18f0 mm/vmscan.c:2540
 shrink_node+0x3bc/0x16b0 mm/vmscan.c:2755
 shrink_zones mm/vmscan.c:2987 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
 __perform_reclaim mm/page_alloc.c:3773 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
 __alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
 __alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
 __do_page_cache_readahead+0x2af/0x810 mm/readahead.c:193
 ra_submit mm/internal.h:66 [inline]
 do_sync_mmap_readahead mm/filemap.c:2371 [inline]
 filemap_fault+0xf4e/0x25f0 mm/filemap.c:2447
 __do_fault+0x100/0x6b0 mm/memory.c:2996
 do_read_fault mm/memory.c:3408 [inline]
 do_fault mm/memory.c:3534 [inline]
 handle_pte_fault mm/memory.c:3765 [inline]
 __handle_mm_fault+0x3ea6/0x5be0 mm/memory.c:3889
 handle_mm_fault+0x54f/0xc70 mm/memory.c:3926
 faultin_page mm/gup.c:535 [inline]
 __get_user_pages+0xa3d/0x1ea0 mm/gup.c:738
 __get_user_pages_locked mm/gup.c:914 [inline]
 get_user_pages_unlocked+0x2fc/0x5d0 mm/gup.c:1037
 get_user_pages_fast+0x322/0x450 mm/gup.c:1887
 iov_iter_get_pages+0x2fa/0x12a0 lib/iov_iter.c:1266
 dio_refill_pages fs/direct-io.c:170 [inline]
 dio_get_page fs/direct-io.c:214 [inline]
 do_direct_IO+0x3b67/0xc110 fs/direct-io.c:980
 do_blockdev_direct_IO+0xc30/0x9db0 fs/direct-io.c:1331
 __blockdev_direct_IO+0x9d/0xc6 fs/direct-io.c:1417
 ext4_direct_IO_write fs/ext4/inode.c:3774 [inline]
 ext4_direct_IO+0xbe6/0x2230 fs/ext4/inode.c:3901
 generic_file_direct_write+0x275/0x4b0 mm/filemap.c:3043
 __generic_file_write_iter+0x2ff/0x630 mm/filemap.c:3222
 ext4_file_write_iter+0x390/0x1420 fs/ext4/file.c:266
 call_write_iter include/linux/fs.h:1857 [inline]
 aio_write+0x3b1/0x610 fs/aio.c:1564
 io_submit_one+0xaa1/0xf80 fs/aio.c:1838
 __do_sys_io_submit fs/aio.c:1919 [inline]
 __se_sys_io_submit fs/aio.c:1890 [inline]
 __x64_sys_io_submit+0x1b7/0x580 fs/aio.c:1890
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457669
Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3c95702c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457669
RDX: 0000000020000540 RSI: 0000000000000033 RDI: 00007f3c956e2000
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c957036d4
R13: 00000000004be9a4 R14: 00000000004cf5c8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..