BUG: stack guard page was hit in sys_fsetxattr

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 0347b1658399 Merge 5.10.93 into android12-5.10-lts
git tree: android12-5.10-lts
console output: https://syzkaller.appspot.com/x/log.txt?x=16d31604700000
kernel config: https://syzkaller.appspot.com/x/.config?x=e0f3947457f8d2a4
dashboard link: https://syzkaller.appspot.com/bug?extid=463b9cf983ff8d555b1f
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+463b9c...@syzkaller.appspotmail.com

BUG: stack guard page was hit at ffffc900078b7ff8 (stack is ffffc900078b8000..ffffc900078bffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 18863 Comm: syz-executor.2 Not tainted 5.10.93-syzkaller-01028-g0347b1658399 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kasan_check_range+0xa/0x2f0 mm/kasan/generic.c:185
Code: cc a9 f4 02 31 c0 5d c3 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc cc cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 b0 01 48 85 f6 0f 84 09 02 00 00 48 89 fb 48 01 f3 0f 82
RSP: 0018:ffffc900078b8000 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff822bbe08 RCX: ffffffff822bbe08
RDX: 0000000000000000 RSI: 0000000000000014 RDI: ffff88810b77568c
RBP: ffffc900078b8018 R08: ffffffff822bbc70 R09: ffffc900078b80c0
R10: fffff52000f1701f R11: 0000000000000000 R12: 0000000000000014
R13: 0000000000000000 R14: ffff88810b77568c R15: ffffc900078b8200
FS: 00007fb802eaa700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900078b7ff8 CR3: 0000000112daa000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
memcpy+0x2d/0x70 mm/kasan/shadow.c:65
avc_has_perm_noaudit+0x358/0x4d0 security/selinux/avc.c:1165
cred_has_capability+0x1b5/0x420 security/selinux/hooks.c:1619
selinux_capable+0x39/0x50 security/selinux/hooks.c:2137
security_capable+0x69/0xd0 security/security.c:748
ns_capable_common kernel/capability.c:375 [inline]
ns_capable kernel/capability.c:396 [inline]
capable+0x6e/0xe0 kernel/capability.c:449
xattr_permission+0x203/0x380 fs/xattr.c:116
__vfs_setxattr_locked+0x64/0x210 fs/xattr.c:254
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
incfs_setxattr fs/incfs/vfs.c:1702 [inline]
incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
__vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
__vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
__vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
setxattr+0x1ea/0x3f0 fs/xattr.c:548
__do_sys_fsetxattr fs/xattr.c:603 [inline]
__se_sys_fsetxattr+0x130/0x1b0 fs/xattr.c:592
__x64_sys_fsetxattr+0xbf/0xd0 fs/xattr.c:592
do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb803d76059
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb802eaa168 EFLAGS: 00000246 ORIG_RAX: 00000000000000be
RAX: ffffffffffffffda RBX: 00007fb803e89100 RCX: 00007fb803d76059
RDX: 0000000020000140 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007fb803dd008d R08: 0000000000000003 R09: 0000000000000000
R10: 00000000000000b6 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd108f26df R14: 00007fb802eaa300 R15: 0000000000022000
Modules linked in:
---[ end trace 74d6d6d15629fb8c ]---
RIP: 0010:kasan_check_range+0xa/0x2f0 mm/kasan/generic.c:185
Code: cc a9 f4 02 31 c0 5d c3 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc cc cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 b0 01 48 85 f6 0f 84 09 02 00 00 48 89 fb 48 01 f3 0f 82
RSP: 0018:ffffc900078b8000 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff822bbe08 RCX: ffffffff822bbe08
RDX: 0000000000000000 RSI: 0000000000000014 RDI: ffff88810b77568c
RBP: ffffc900078b8018 R08: ffffffff822bbc70 R09: ffffc900078b80c0
R10: fffff52000f1701f R11: 0000000000000000 R12: 0000000000000014
R13: 0000000000000000 R14: ffff88810b77568c R15: ffffc900078b8200
FS: 00007fb802eaa700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900078b7ff8 CR3: 0000000112daa000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: cc int3
1: a9 f4 02 31 c0 test $0xc03102f4,%eax
6: 5d pop %rbp
7: c3 retq
8: 0f 0b ud2
a: eb 02 jmp 0xe
c: 0f 0b ud2
e: b8 ea ff ff ff mov $0xffffffea,%eax
13: 5d pop %rbp
14: c3 retq
15: cc int3
16: cc int3
17: cc int3
18: cc int3
19: cc int3
1a: cc int3
1b: cc int3
1c: cc int3
1d: cc int3
1e: cc int3
1f: cc int3
20: 55 push %rbp
21: 48 89 e5 mov %rsp,%rbp
24: 41 57 push %r15
26: 41 56 push %r14
28: 41 55 push %r13
* 2a: 41 54 push %r12 <-- trapping instruction
2c: 53 push %rbx
2d: b0 01 mov $0x1,%al
2f: 48 85 f6 test %rsi,%rsi
32: 0f 84 09 02 00 00 je 0x241
38: 48 89 fb mov %rdi,%rbx
3b: 48 01 f3 add %rsi,%rbx
3e: 0f .byte 0xf
3f: 82 .byte 0x82


---
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[syzbot]

> #syz test: https://android.googlesource.com/kernel/common fd4c6594f5ce

This crash does not have a reproducer. I cannot test it.