================================================================================
UBSAN: array-index-out-of-bounds in security/integrity/ima/ima_appraise.c:621:36
index 222 is out of range for type 'char *[20]'
CPU: 1 PID: 6550 Comm: syz-executor680 Not tainted 5.14.0-rc6-next-20210819-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
ubsan_epilogue+0xb/0x5a lib/ubsan.c:151
__ubsan_handle_out_of_bounds.cold+0x64/0x70 lib/ubsan.c:291
validate_hash_algo security/integrity/ima/ima_appraise.c:621 [inline]
ima_inode_setxattr+0x536/0x540 security/integrity/ima/ima_appraise.c:656
security_inode_setxattr+0x148/0x240 security/security.c:1355
__vfs_setxattr_locked+0xa7/0x260 fs/xattr.c:266
vfs_setxattr+0x14e/0x350 fs/xattr.c:301
setxattr+0x21b/0x2b0 fs/xattr.c:575
path_setxattr+0x19d/0x1d0 fs/xattr.c:595
__do_sys_lsetxattr fs/xattr.c:618 [inline]
__se_sys_lsetxattr fs/xattr.c:614 [inline]
__x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:614
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x43ee89
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe96b06768 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee89
RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 0000000020000000
RBP: 0000000000402e70 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000a R11: 0000000000000246 R12: 0000000000402f00
R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488
================================================================================
----------------
Code disassembly (best guess):
0: 28 c3 sub %al,%bl
2: e8 2a 14 00 00 callq 0x1431
7: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
e: 00 00 00
11: 48 89 f8 mov %rdi,%rax
14: 48 89 f7 mov %rsi,%rdi
17: 48 89 d6 mov %rdx,%rsi
1a: 48 89 ca mov %rcx,%rdx
1d: 4d 89 c2 mov %r8,%r10
20: 4d 89 c8 mov %r9,%r8
23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9
28: 0f 05 syscall
2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
30: 73 01 jae 0x33
32: c3 retq
33: 48 c7 c1 c0 ff ff ff mov $0xffffffffffffffc0,%rcx
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W