Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: mpol_to_str+0x3ec/0x3f0 mm/mempolicy.c:2962
CPU: 1 PID: 1 Comm: systemd Not tainted 5.6.0-rc7-syzkaller #0
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+0x1e9/0x30e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:221
 __stack_chk_fail+0x1c/0x20 kernel/panic.c:667
 mpol_to_str+0x3ec/0x3f0 mm/mempolicy.c:2962
 shmem_show_mpol mm/shmem.c:1406 [inline]
 shmem_show_options+0x3d9/0x4c0 mm/shmem.c:3609
 show_mountinfo+0x68d/0x790 fs/proc_namespace.c:187
 seq_read+0x4aa/0xd20 fs/seq_file.c:229
 __vfs_read+0xa7/0x6f0 fs/read_write.c:425
 vfs_read+0x1c0/0x3f0 fs/read_write.c:461
 ksys_read+0x115/0x220 fs/read_write.c:587
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8b66e0f92d
Code: 2d 2c 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 de 9b 01 00 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 27 9c 01 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffc71e66d00 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055f78aa80b90 RCX: 00007f8b66e0f92d
RDX: 0000000000000400 RSI: 000055f78aa825a0 RDI: 0000000000000013
RBP: 0000000000000d68 R08: 0000000000000008 R09: 000055f78aa85440
R10: 000055f78aa82908 R11: 0000000000000293 R12: 00007f8b670ca440
R13: 00007f8b670c9900 R14: 0000000000000098 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..